S. Yen

发表

Neuroendocrine control of the postpartum period.

J. Liu, R. Rebar, S. Yen, 1983, Clinics in perinatology.

Alpha-melanocyte stimulating hormone induces gonadotropin release.

N. Ling, S. Yen, R. Reid, 1981, The Journal of clinical endocrinology and metabolism.

Alpha-melanocyte stimulating hormone induces gonadotropin release.

N. Ling, S. Yen, R. Reid, 1981, The Journal of clinical endocrinology and metabolism.

Regional distribution of hypothalamic luteinizing hormone-releasing hormone in proestrous rats: effects of ovariectomy and estrogen replacement.

R. Moore, S. Yen, R. Kobayashi, 1978, Endocrinology.

Melatonin: a major regulator of the circadian rhythm of core temperature in humans.

S. Yen, A. Cagnacci, J. Elliott, 1992, The Journal of clinical endocrinology and metabolism.

True hermaphroditism and chimerism. A case report.

K. Benirschke, F. Naftolin, S. Yen, 1972, American journal of obstetrics and gynecology.

The premenstrual syndrome.

S. Yen, R. Reid, K. Muse, 1983, Clinical obstetrics and gynecology.

Effects of an Antiprogesterone (RU486) on the Hypothalamic-Hypophyseal-Ovarian-Endometrial Axis During the Luteal Phase of the Menstrual Cycle*

E. Baulieu, S. Yen, V. G. Garzo, 1988 .

Disruption of follicular maturation and delay of ovulation after administration of the antiprogesterone RU486.

J. Liu, S. Yen, A. Ulmann, 1987, The Journal of clinical endocrinology and metabolism.

Lack of insulin resistance in fibroblasts from subjects with polycystic ovary syndrome.

J. Olefsky, T. Ciaraldi, M. Hickman, 1998, Metabolism: clinical and experimental.

Hormonal dynamics at midcycle: a reevaluation.

S. Yen, J. Hoff, M. Quigley, 1983, The Journal of clinical endocrinology and metabolism.

Effects of replacement dose of dehydroepiandrosterone in men and women of advancing age.

S. Yen, J. Nelson, A. Morales, 1994, The Journal of clinical endocrinology and metabolism.

Pituitary hormone release in response to food ingestion: evidence for neuroendocrine signals from gut to brain.

S. Yen, B. Ishizuka, M. Quigley, 1983, The Journal of clinical endocrinology and metabolism.

Effects of tyrosine and tryptophan ingestion on plasma catecholamine and 3,4-dihydroxyphenylacetic acid concentrations.

S. Yen, B. Ishizuka, M. Quigley, 1983, The Journal of clinical endocrinology and metabolism.

The 24-hour excursion and diurnal rhythm of glucose, insulin, and C-peptide in normal pregnancy.

S. Yen, L. Cousins, D. Hollingsworth, 1980, American journal of obstetrics and gynecology.

Nutritional and endocrine-metabolic aberrations in women with functional hypothalamic amenorrhea.

S. Yen, G. Laughlin, C. Domínguez, 1998, The Journal of clinical endocrinology and metabolism.

Exercise-associated amenorrhea: A distinct entity?ab

Robert W. Rebar, R. Rebar, S. Yen, 1981 .

Effects of lifestyle and body composition on the ovary.

S. Yen, S. S. Yen, 1998, Endocrinology and metabolism clinics of North America.

Nutritional and endocrine-metabolic aberrations in amenorrheic athletes.

S. Yen, G. Laughlin, S. Yen, 1996, The Journal of clinical endocrinology and metabolism.

Disappearance rates of endogenous luteinizing hormone and chorionic gonadotropin in man.

B. Little, S. Yen, O. Pearson, 1968, The Journal of clinical endocrinology and metabolism.

Hypothalamic amenorrhea and hypogonadotropinism: responses to synthetic LRF.

R. Rebar, S. Yen, H. Judd, 1973, The Journal of clinical endocrinology and metabolism.

An integrated direct functional test of the adenohypophysis.

S. Yen, G. Vandenberg, J. Rakoff, 1974, American journal of obstetrics and gynecology.

A simple method for the assay of eight steroids in small volumes of plasma

D. Anderson, B. Lasley, S. Yen, 1976, Steroids.

Amplification of nocturnal melatonin secretion in women with functional hypothalamic amenorrhea.

S. Berga, S. Yen, J. Mortola, 1988, The Journal of clinical endocrinology and metabolism.

Marked augmentation of nocturnal melatonin secretion in amenorrheic athletes, but not in cycling athletes: unaltered by opioidergic or dopaminergic blockade.

A. Loucks, S. Yen, G. Laughlin, 1991, The Journal of clinical endocrinology and metabolism.

Menopausal flushes: a neuroendocrine link with pulsatile luteninizing hormone secreation.

R. Casper, S. Yen, M. Wilkes, 1979, Science.

Endogenous opiates modulate pulsatile luteinizing hormone release in humans.

S. Yen, M. Quigley, J. F. Ropert, 1981, The Journal of clinical endocrinology and metabolism.

Minimal ovarian stimulation for IVF: appraisal of potential benefits and drawbacks.

W. Crowley, P. Devroey, D. Baird, 1999, Human reproduction.

Insensitivity of synthetic LRF in LH-release of rhesus monkey

K. Ryan, S. Yen, Y. Ehara, 1972 .

Alterations in the hypothalamic-pituitary-ovarian and the hypothalamic-pituitary-adrenal axes in athletic women.

A. Loucks, S. Yen, J. Mortola, 1989, The Journal of clinical endocrinology and metabolism.

Corticotropin-releasing factor inhibits luteinizing hormone-stimulated P450c17 gene expression and androgen production by isolated thecal cells of human ovarian follicles.

S. Yen, H. Erden, I. Zwain, 1998, The Journal of clinical endocrinology and metabolism.

Suppression of serum luteinizing hormone in postmenopausal women by an orally administered nonpeptide antagonist of the gonadotropin-releasing hormone receptor (NBI-42902).

S. Yen, R. Jimenez, R. Struthers, 2006, The Journal of clinical endocrinology and metabolism.

Effect of oophorectomy on circulating testosterone and androstenedione levels in patients with endometrial cancer.

S. Yen, H. Judd, W. Lucas, 1974, American journal of obstetrics and gynecology.

Effect of human corticotropin-releasing hormone on gonadotropin secretion in cycling and postmenopausal women.

S. H. Wood, S. Yen, J. Rivier, 1992, Fertility and sterility.

Replacement of DHEA in Aging Men and Women

S. Yen, O. Khorram, A. Morales, 1995, Annals of the New York Academy of Sciences.

Effects of oral contraceptive steroids on pituitary prolactin secretion.

S. Yen, T. Siler, S. Abu-fadil, 1976, Contraception.

Dehydroepiandrosterone: biosynthesis and metabolism in the brain.

S. Yen, I. Zwain, Ismail H. Zwain, 1999, Endocrinology.

Multiphasic prolactin secretion during parturition in human subjects.

S. Yen, L. Rigg, S.S.C. Yen, 1977, American journal of obstetrics and gynecology.

Characterization of the inappropriate gonadotropin secretion in polycystic ovary syndrome.

F. Naftolin, R. Rebar, S. Yen, 1976 .

Gestational diabetogenesis: quantitative analyses of glucose-insulin interrelationship between normal pregnancy and pregnancy with gestational diabetes.

S. Yen, C. Tsai, P. Vela, 1971, American journal of obstetrics and gynecology.

The gonadotropin-releasing hormone antagonist (Nal-Glu) acutely blocks the luteinizing hormone surge but allows for resumption of folliculogenesis in normal women.

M. Sauer, S. Yen, R. Lobo, 1991, American journal of obstetrics and gynecology.

Suppression of bioactive and immunoreactive follicle-stimulating hormone and luteinizing hormone levels by a potent gonadotropin-releasing hormone antagonist: pharmacodynamic studies.

W. Vale, A. Hsueh, S. Yen, 1989, Fertility and sterility.

Induction of luteolysis in the human with a long-acting analog of luteinizing hormone-releasing factor.

R. Casper, S. Yen, 1979 .

Inappropriate secretion of follicle-stimulating hormone and luteinizing hormone in polycystic ovarian disease.

S. Yen, J. Rankin, S. Yen, 1970, The Journal of clinical endocrinology and metabolism.

Circulating gonadotropins, estrogens, and androgens in polycystic ovarian disease.

S. Yen, H. Judd, N. Czekala, 1975, American journal of obstetrics and gynecology.

Insulin enhancement of luteinizing hormone and follicle-stimulating hormone release by cultured pituitary cells.

E. Adashi, A. Hsueh, S. Yen, 1981, Endocrinology.

Cellular mechanisms of insulin resistance in polycystic ovarian syndrome.

J. Olefsky, Z. Madar, T. Ciaraldi, 1992, The Journal of clinical endocrinology and metabolism.

Pituitary responses to synthetic corticotropin-releasing hormone: absence of modulatory effects by estrogen and progestin.

W. Vale, J. Rivier, J. Liu, 1987, American journal of obstetrics and gynecology.

Gonadotropin responses to synthetic LRF: dose-response relationship in men.

R. Guillemin, F. Naftolin, K. Ryan, 1973, The Journal of clinical endocrinology and metabolism.

STEROID MODULATION OF THE HYPOTHALAMIC-PITUITARY SYSTEM IN THE SECRETION OF REPRODUCTIVE HORMONES*

B. Lasley, S. Yen, Y. Ehara, 1976 .

Steroid modulation of the hypothalamic-pituitary system in the secretion of reproductive hormones.

B. Lasley, S. Yen, Y. Ehara, 1975, Journal of steroid biochemistry.

Serum prolactin levels during puberty.

S. Yen, T. Siler, Y. Ehara, 1975, American journal of obstetrics and gynecology.

Augmentation of prolactin secretion by estrogen in hypogonadal women.

S. Yen, T. Siler, Y. Ehara, 1974, The Journal of clinical investigation.

Circulating prolactin levels during the menstrual cycle: episodic release and diurnal variation.

S. Yen, Y. Sinha, G. Vandenberg, 1973, American journal of obstetrics and gynecology.

The operating characteristics of the hypothalamic-pituitary system during the menstrual cycle and observations of biological action of somatostatin.

B. Lasley, S. Yen, S S Yen, 1975, Recent progress in hormone research.

Regulation of the hypothalamic\p=n-\pituitary\p=n-\ovarian axis in women

S. Yen, 2008 .

RELATIVE CHANGES IN LH PULSATILITY DURING THE MENSTRUAL CYCLE: USING DATA FROM HYPOGONADAL WOMEN AS A REFERENCE POINT

S. Yen, G. Laughlin, W. Rossmanith, 1990, Clinical endocrinology.

Role of endogenous opioid peptides in the initiation of the midcycle luteinizing hormone surge in normal cycling women.

S. Yen, W. Rossmanith, J. Mortola, 1988, The Journal of clinical endocrinology and metabolism.

Induction of multiple ovulation by pulsatile administration of gonadotropin-releasing hormone.

J. Liu, S. Yen, K. Muse, 1983, Fertility and sterility.

Luteal phase defects induced by an agonist of luteinizing hormone-releasing factor: a model for fertility control

R. Casper, S. Yen, K. Sheehan, 1982 .

Somatostatin in cytotrophoblast of the immature human placenta: localization by immunoperoxidase cytochemistry.

W. B. Watkins, S. Yen, S. Yen, 1980, The Journal of clinical endocrinology and metabolism.

A study of endocrine and metabolic variables in postmenopausal women with endometrial carcinoma.

S. Yen, W. Lucas, 1979, Transactions of the Pacific Coast Obstetrical and Gynecological Society.

Activation of pituitary gonadotropic function by an agonist of luteinizing hormone-releasing factor in the puerperium.

S. Yen, K. Sheehan, 1979, American journal of obstetrics and gynecology.

The functional relationship between priming and releasing actions of luteinizing hormone-releasing hormone.

B. Lasley, S. Yen, J. Hoff, 1979, The Journal of clinical endocrinology and metabolism.

Studies of the Role of Dopamine in the Control of Prolactin and Gonadotropin Secretion in Humans

S. Yen, 1979 .

The effects of ovariectomy and estrogen treatment on the dopamine inhibition of gonadotropin and prolactin release.

S. Yen, L. Rigg, S. Judd, 1979, The Journal of clinical endocrinology and metabolism.

Systemic absorption and sustained effects of vaginal estrogen creams.

S. Yen, P. L. Martin, A. Burnier, 1979, JAMA.

The impairment of progesterone-induced pituitary release of prolactin and gonadotropin in patients with hypothalamic chronic anovulation.

S. Yen, L. Rigg, J. Rakoff, 1978, American journal of obstetrics and gynecology.

Biphasic change in pituitary capacity induced by estrogen in hypogonadal women.

S. Yen, G. Lachelin, 1978, The Journal of clinical endocrinology and metabolism.

Studies on the role of luteinizing hormone releasing factor in the control of the menstrual cycle.

B. Lasley, S. Yen, J. Hoff, 1977, Advances in experimental medicine and biology.

The two pools of pituitary gonadotropin: regulation during the menstrual cycle.

B. Lasley, S. Yen, J. Hoff, 1977, The Journal of clinical endocrinology.

Chapter 6 – Neuroendocrine Aspects of the Regulation of Cyclic Gonadotropin Release in Women

S. Yen, 1977 .

Gonadotropin secretion in response to low and high doses of LRF in normal and hypogonadal women (functional disparity of the gonadotrophs).

B. Lasley, S. Yen, C. Wang, 1976, The Journal of clinical endocrinology and metabolism.

The apparent paradox of the negative and positive feedback control system on gonadotropin secretion.

S. Yen, A. Lein, S. Yen, 1976, American journal of obstetrics and gynecology.

Characterization of the inappropriate gonadotropin secretion in polycystic ovary syndrome.

F. Naftolin, R. Rebar, S. Yen, 1976, The Journal of clinical investigation.

Assessments of the functional capacity of the gonadotrophs in men: effects of estrogen and clomiphene.

B. Lasley, S. Yen, C. Wang, 1976, The Journal of clinical endocrinology and metabolism.

Direct evidence of estrogen modulation of pituitary sensitivity to luteinizing hormone-releasing factor during the menstrual cycle.

S. Yen, C. Wang, 1975, The Journal of clinical investigation.

GONADOTROPIN-REL EASING HORMONE

S. Yen, 1975 .

Acute gonadotropin release induced by exogenous estradiol during the mid-follicular phase of the menstrual cycle.

S. Yen, C. Tsai, 1972, The Journal of clinical endocrinology and metabolism.

Acute effects of intravenous infusion of 17-beta-estradiol on gonadotropin release in pre- and post-menopausal women.

S. Yen, C. Tsai, 1971, The Journal of clinical endocrinology and metabolism.

The biphasic pattern in the feedback action of ethinyl estradiol on the release of pituitary FSH and LH.

S. Yen, C. Tsai, 1971, Journal of Clinical Endocrinology and Metabolism.

Modulation of pituitary responsiveness to LRF by estrogen.

S. Yen, G. Vandenberg, T. Siler, 1974, The Journal of clinical endocrinology and metabolism.

Effect of anti-estrogenic action of clomiphene during the menstrual cycle: evidence for a change in the feedback sensitivity.

S. Yen, G. Vandenberg, 1973, The Journal of clinical endocrinology and metabolism.

Hormonal relationships during the menstrual cycle.

S. Yen, A. Littell, J. Rankin, 1970, JAMA.

Acute suppression of insulin and glucose levels by synthetic somatostatin in normal human subjects.

S. Yen, S. Yen, T. Siler, 1974, The Journal of clinical endocrinology and metabolism.

Effect of somatostatin in patients with acromegaly: suppression of growth hormone, prolactin, insulin and glucose levels.

S. Yen, T. Siler, G. Devane, 1974, The New England journal of medicine.

Effects of exogenous estrogen and progestin on pituitary responsiveness to synthetic luteinizing hormone-releasing factor.

S. Yen, G. Vandenberg, G. Devane, 1974, The Journal of clinical investigation.

The effect of ethinyl estradiol administration during early follicular phase of the cycle on the gonadotropin levels and ovarian function.

S. Yen, C. Tsai, 1971, The Journal of clinical endocrinology and metabolism.

Gonadotropin dynamics in patients with gonadal dysgenesis: a model for the study of gonadotropin regulation.

R. Rebar, S. Yen, C. Tsai, 1972, The Journal of clinical endocrinology and metabolism.

Augmented gonadotropin response to synthetic LRF in hypogonadal state.

S. Yen, T. Siler, 1973, The Journal of clinical endocrinology and metabolism.

Variation of pituitary responsiveness to synthetic LRF during different phases of the menstrual cycle.

R. Rebar, S. Yen, G. Vandenberg, 1972, The Journal of clinical endocrinology and metabolism.

The effect of ovariectomy on gonadotropin release.

S. Yen, C. Tsai, 1971, The Journal of clinical investigation.

Inhibition of growth hormone release in humans by somatostatin.

R. Guillemin, W. Vale, S. Yen, 1973, The Journal of clinical endocrinology and metabolism.

Rapid cycling of plasma gonadotrophins in normal men as demonstrated by frequent sampling.

F. Naftolin, S. Yen, C. Tsai, 1972, Nature: New biology.

Inhibition of the sleep-related peak in physiologic human growth hormone release by somatostatin.

R. Guillemin, S. Yen, D. Parker, 1974, The Journal of clinical endocrinology and metabolism.

The nocturnal rise of plasma testosterone in pubertal boys.

S. Yen, H. Judd, D. Parker, 1974, The Journal of clinical endocrinology and metabolism.

THE EFFECT OF SIX MONTHS TREATMENT WITH A 100 MG DAILY DOSE OF DEHYDROEPIANDROSTERONE (DHEA) ON CIRCULATING SEX STEROIDS, BODY COMPOSITION AND MUSCLE STRENGTH IN AGE-ADVANCED MEN AND WOMEN

R. Haubrich, S. Yen, A. Morales, 1999 .

Sublingual administration of testosterone-hydroxypropyl-beta-cyclodextrin inclusion complex simulates episodic androgen release in hypogonadal men.

S. Yen, R. Dudley, C. Stuenkel, 1991, The Journal of clinical endocrinology and metabolism.

The effects of oral dehydroepiandrosterone on endocrine-metabolic parameters in postmenopausal women.

S. Yen, S. Yen, J. Mortola, 1990, The Journal of clinical endocrinology and metabolism.

Effect of exogenous estrogen on carbohydrate metabolism in postmenopausal women.

S. Yen, C. Tsai, P. Vela, 1972, American journal of obstetrics and gynecology.

Gonadotropin-releasing hormone.

S. Yen, 1975, Annual review of medicine.

Gonadotropin-estradiol responses to a superactive luteinizing hormone-releasing hormone agonist in women.

R. Casper, S. Yen, K. Sheehan, 1980, The Journal of clinical endocrinology and metabolism.

Clinical applications of gonadotropin-releasing hormone and gonadotropin-releasing hormone analogs.

S. Yen, Edward E. Wallach, S. S. Yen, 1983, Fertility and sterility.

Effects of exogenous insulin on excursions and diurnal rhythm of plasma glucose in pregnant diabetic patients with and without residual beta-cell function.

S. Yen, L. Cousins, D. Hollingsworth, 1980, American journal of obstetrics and gynecology.

Endogenous sex hormone levels in older adult men with diabetes mellitus.

E. Barrett-Connor, K. Khaw, S. Yen, 1990, American journal of epidemiology.

Treatment of uterine fibroids with agonist analogs of gonadotropin-releasing hormone.

S. Berga, J. Liu, S. Yen, 1988, Fertility and sterility.

Rapid regression of uterine leiomyomas in response to daily administration of gonadotropin-releasing hormone antagonist * †

W. Vale, S. Yen, J. Rivier, 1993 .

Presence of oxytocin and arginine vasopressin in human ovary, oviduct, and follicular fluid.

A. Hsueh, J. Schaeffer, J. Liu, 1984, The Journal of clinical endocrinology and metabolism.

Interruption of endometrial maturation without hormonal changes by an antiprogesterone during the first half of luteal phase of the menstrual cycle: a contraceptive potential.

S. Yen, K. Greene, L. Kettel, 1992, Fertility and sterility.

Impact of acute surgical stress on anterior pituitary function in female subjects.

E. Adashi, F. Naftolin, R. Rebar, 1980, American journal of obstetrics and gynecology.

Regulation of Gonadotropins

S. Yen, R. Mellon, 1999 .

Prolactin and growth hormone release in response to sequential stimulation by arginine and synthetic TRF.

S. Yen, Y. Sinha, J. Rakoff, 1973, The Journal of clinical endocrinology and metabolism.

Effects of dopamine infusion on pituitary hormone secretion in humans.

S. Yen, H. Leblanc, S. Yen, 1976, The Journal of clinical endocrinology and metabolism.

Inhibition of gonadotropin and prolactin release by dopamine: effect of endogenous estradiol levels.

S. Yen, J. Rakoff, S. Judd, 1978, The Journal of clinical endocrinology and metabolism.

Evidence for Increased Dopaminergic and Opioid Activity in Patients with Hypothalamic Hypogonadotropic Amenorrhea

R. Casper, S. Yen, M. Quigley, 1980 .

The role of endogenous opiates in LH secretion during the menstrual cycle.

S. Yen, M. Quigley, S. Yen, 1980, The Journal of clinical endocrinology and metabolism.

Effects of a dopamine antagonist on the release of gonadotropin and prolactin in normal women and women with hyperprolactinemic anovulation.

S. Yen, M. Quigley, S. Judd, 1979, The Journal of clinical endocrinology and metabolism.

Endocrine function of the postmenopausal ovary: concentration of androgens and estrogens in ovarian and peripheral vein blood.

S. Yen, H. Judd, W. Lucas, 1974, The Journal of clinical endocrinology and metabolism.

Cellular insulin resistance in adipocytes from obese polycystic ovary syndrome subjects involves adenosine modulation of insulin sensitivity.

J. Olefsky, T. Ciaraldi, M. Hickman, 1997, The Journal of clinical endocrinology and metabolism.

Insulin, somatotropic, and luteinizing hormone axes in lean and obese women with polycystic ovary syndrome: common and distinct features.

T. Bützow, S. Yen, G. Laughlin, 1996, The Journal of clinical endocrinology and metabolism.

Metabolic features of polycystic ovary syndrome are found in adolescent girls with hyperandrogenism.

D. Apter, T. Bützow, S. Yen, 1995, The Journal of clinical endocrinology and metabolism.

Accelerated 24-hour luteinizing hormone pulsatile activity in adolescent girls with ovarian hyperandrogenism: relevance to the developmental phase of polycystic ovarian syndrome.

D. Apter, T. Bützow, S. Yen, 1994, The Journal of clinical endocrinology and metabolism.

Role of oxytocin in the modulation of ACTH release in women.

J. Liu, S. Yen, B. Suh, 1986, Neuroendocrinology.

Neuroendocrinology of opioid peptides and their role in the control of gonadotropin and prolactin secretion.

S. Yen, R. Reid, M. Quigley, 1985, American journal of obstetrics and gynecology.

Serum 17 beta-estradiol and estrone levels in postmenopausal women with and without endometrial cancer.

S. Yen, H. Judd, W. Lucas, 1976, The Journal of clinical endocrinology and metabolism.

Absorption of estrogens from vaginal creams.

S. Yen, L. Rigg, H. Hermann, 1978, The New England journal of medicine.

Yen and Jaffe's reproductive endocrinology : physiology, pathophysiology, and clinical management

R. Barbieri, J. Strauss, S. Yen, 2004 .

Mechanisms of cellular insulin resistance in human pregnancy.

J. Olefsky, Z. Madar, T. Ciaraldi, 1994, American journal of obstetrics and gynecology.

Interface between Extra‐ and Intraovarian Factors in Polycystic Ovarian Syndrome

S. Yen, G. Laughlin, A. Morales, 1993, Annals of the New York Academy of Sciences.

Inappropriate gonadotropin secretion in polycystic ovary syndrome: influence of adiposity.

S. Yen, G. Laughlin, A. Morales, 1997, The Journal of clinical endocrinology and metabolism.

Medical castration of males with megestrol acetate and small doses of diethylstilbestrol.

S. Yen, J. Geller, J. Albert, 1981, The Journal of clinical endocrinology and metabolism.

Hypothalamic-pituitary-ovarian interactions during reproductive senescence in the rat.

S. Yen, K. Lu, S. Fulton, 1978, Advances in experimental medicine and biology.

DURING REPRODUCTIVE SENESCENCE IN THE RAT

S. Yen, K. Lu, S. Fulton, 1978 .

Functional studies of dopamine control of prolactin secretion in normal women and women with hyperprolactinemic pituitary microadenoma.

S. Yen, M. Quigley, S. Judd, 1980, The Journal of clinical endocrinology and metabolism.

Localization and Quantitation of β-Endorphin in Human Brain and Pituitary

W. B. Watkins, S. Yen, M. Wilkes, 1980 .

Activation of immune function by dehydroepiandrosterone (DHEA) in age-advanced men.

S. Yen, O. Khorram, L. Vu, 1997, The journals of gerontology. Series A, Biological sciences and medical sciences.

Pulsatile beta-endorphin release from the human pituitary in vitro.

J. Liu, S. Yen, W. Rossmanith, 1988, Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology.

Effects of contraceptive steroids on carbohydrate metabolism.

S. Yen, P. Vela, 1968, The Journal of clinical endocrinology and metabolism.

The inhibitory effect of somatostatin on growth hormone, insulin and glucagon secretion in diabetes mellitus.

S. Yen, H. Leblanc, F. Ward, 1975, The Journal of clinical endocrinology and metabolism.

Functional studies of aromatase activity in human granulosa cells from normal and polycystic ovaries.

A. Hsueh, R. Rebar, S. Yen, 1979, The Journal of clinical endocrinology and metabolism.

Phase I/pharmacokinetic study of high-dose progesterone and doxorubicin.

S. Kirmani, S. Yen, D. Shalinsky, 1993, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Pulsatile rhythms of adrenocorticotropin (ACTH) and cortisol in women with endogenous depression: evidence for increased ACTH pulse frequency.

J. Gillin, J. Liu, S. Yen, 1987, The Journal of clinical endocrinology and metabolism.

Augmentation of ACTH-releasing activity of synthetic corticotropin releasing factor (CRF) by vasopressin in women.

W. Vale, J. Rivier, J. Liu, 1983, The Journal of clinical endocrinology and metabolism.

Glucagon secretion in late pregnancy and the puerperium.

S. Yen, J. Anderson, H. Leblanc, 1976, American journal of obstetrics and gynecology.

Idiopathic premature ovarian failure: clinical and endocrine characteristics.

R. Rebar, S. Yen, G. Erickson, 1982, Fertility and sterility.

Chronic inhibition of hypothalamic-pituitary-ovarian axis and body weight gain by brain-directed delivery of estradiol-17 beta in female rats.

D. Sarkar, S. Frautschy, S. Yen, 1989, Neuroendocrinology.

Adrenal function in normal women and women with the polycystic ovary syndrome.

S. Yen, B. Hopper, G. Brink, 1979, The Journal of clinical endocrinology and metabolism.

Familial hyperthecosis: comparison of endocrinologic and histologic findings with polycystic ovarian disease.

R. Scully, A. Herbst, S. Yen, 1973, American journal of obstetrics and gynecology.

Acute prolactin release triggered by feeding.

S. Yen, M. Quigley, J. F. Ropert, 1981, The Journal of clinical endocrinology and metabolism.

Effect of megestrol acetate (Megace) on steroid metabolism and steroid-protein binding in the human prostate.

S. Yen, J. Geller, T. Cantor, 1976, The Journal of clinical endocrinology and metabolism.

Pulsatile cosecretion of estradiol and progesterone by the midluteal phase corpus luteum: temporal link to luteinizing hormone pulses.

J. Veldhuis, S. Yen, G. Laughlin, 1990, The Journal of clinical endocrinology and metabolism.

The inhibitory effect of dopamine agonists on LH release in women.

S. Yen, H. Leblanc, G. Lachelin, 1977, The Journal of clinical endocrinology and metabolism.

Amplification of pulsatile LH secretion by exogenous melatonin in women.

S. Yen, A. Cagnacci, J. Elliott, 1991, The Journal of clinical endocrinology and metabolism.

Induction of luteolysis by luteinizing hormone-releasing factor (LRF) agonist: sensitivity, reproducibility, and reversibility.

R. Casper, S. Yen, K. Sheehan, 1982, Fertility and sterility.

The effect of luteinizing hormone-releasing factor and its agonist on cultured human granulosa cells.

R. Casper, R. Rebar, S. Yen, 1982, Fertility and sterility.

Luteal phase defects induced by an agonist of luteinizing hormone-releasing factor: a model for fertility control.

R. Casper, S. Yen, K. Sheehan, 1982, Science.

Induction of luteolysis in the human with a long-acting analog of luteinizing hormone-releasing factor.

R. Casper, S. Yen, 1979, Science.

Intrinsic pulsatility of luteinizing hormone release from the human pituitary in vitro.

J. Liu, S. Yen, M. Gambacciani, 1987, Neuroendocrinology.

Dopaminergic control of circadian and pulsatile pituitary thyrotropin release in women.

S. Yen, G. Laughlin, W. Rossmanith, 1988, The Journal of clinical endocrinology and metabolism.

Pubertal sleep-wake patterns of episodic LH, FSH and testosterone release in twin boys.

S. Yen, H. Judd, D. Parker, 1975, The Journal of clinical endocrinology and metabolism.

Endocrine and metabolic effects of long-term administration of [Nle27]growth hormone-releasing hormone-(1-29)-NH2 in age-advanced men and women.

S. Yen, G. Laughlin, O. Khorram, 1997, The Journal of clinical endocrinology and metabolism.

Expression of inhibin/activin subunits and follistatin messenger ribonucleic acids and proteins in ovarian follicles and the corpus luteum during the human menstrual cycle.

S. Yen, V. Roberts, A. El-Roeiy, 1993, The Journal of clinical endocrinology and metabolism.

Gonadotrophin releasing hormone pulse generator activity before and during sexual maturation in girls: new insights.

D. Apter, T. Bützow, S. Yen, 1993, Human reproduction.

Gonadotropin-releasing hormone pulse generator activity during pubertal transition in girls: pulsatile and diurnal patterns of circulating gonadotropins.

D. Apter, T. Bützow, S. Yen, 1993, The Journal of clinical endocrinology and metabolism.

A specific homologous radioimmunoassay for human beta-endorphin: direct measurement in biological fluids.

N. Ling, M. Chrétien, S. Yen, 1980, The Journal of clinical endocrinology and metabolism.

Androgen and gonadotropin dynamics in testicular feminization syndrome.

S. Yen, H. Judd, J. Barlow, 1972, The Journal of clinical endocrinology and metabolism.

Inhibitory Action of Somatostatin on Pancreatic α and β Cell Function1

S. Yen, J. Anderson, H. Leblanc, 1975 .

Comparison of Cyclic and Linear Forms of Somatostatin in the Inhibition of Growth Hormone, Insulin and Glucagon Secretion1

S. Yen, H. Leblanc, 1975 .

The response of pancreatic and pituitary hormones to pulses and constant infusion of somatostatin.

S. Yen, H. Leblanc, L. Rigg, 1975, The Journal of clinical endocrinology and metabolism.

The effect of dopamine infusion on insulin and glucagon secretion in man.

S. Yen, H. Leblanc, S. Abu-fadil, 1977, The Journal of clinical endocrinology and metabolism.

Insulin, somatotropic, and luteinizing hormone axes in lean and obese women with polycystic ovary syndrome: common and distinct features.

T. Bützow, S. Yen, G. Laughlin, 1996, The Journal of clinical endocrinology and metabolism.

Stimulatory effect of 2-hydroxyestradiol on prolactin release in hypogonadal women.

E. Adashi, R. Casper, S. Yen, 1980, The Journal of clinical endocrinology and metabolism.

Preliminary report on the treatment of endometriosis with low-dose mifepristone (RU 486).

S. Yen, A. Morales, A. Murphy, 1998, American journal of obstetrics and gynecology.

Treatment of endometriosis with the antiprogesterone mifepristone (RU486)

E. Baulieu, S. Yen, A. Ulmann, 1996, Fertility and sterility.

Regression of uterine leiomyomata to the antiprogesterone RU486: dose-response effect.

S. Yen, A. Morales, A. Murphy, 1995, Fertility and sterility.

Endometrial effects of long-term low-dose administration of RU486.

T. Parmley, S. Yen, A. Morales, 1995, Fertility and sterility.

Clinical efficacy of the antiprogesterone RU486 in the treatment of endometriosis and uterine fibroids.

S. Yen, A. Morales, A. Murphy, 1994, Human reproduction.

Evidence for increased dopaminergic and opioid activity in patients with hypothalamic hypogonadotropic amenorrhea.

R. Casper, S. Yen, M. Quigley, 1980, The Journal of clinical endocrinology and metabolism.

Effect of inhibition of arachidonic acid metabolism on anaphylaxis of guinea pig lung strips

S. Yen, W. Kreutner, 1980, Agents and Actions.

Improvement of abnormal lymphocyte responses in "atypical" mycobacteriosis with indomethacin.

S. Yen, C. Kirkpatrick, U. Mason, 1983, Advances in experimental medicine and biology.

Amniotic fluid androgens and estrogens in midgestation.

O. Jones, S. Yen, H. Judd, 1977, The Journal of clinical endocrinology and metabolism.

Effects of maternal smoking on circulating catecholamine levels and fetal heart rates.

S. Yen, M. Wilkes, M. Quigley, 1979, American journal of obstetrics and gynecology.

Maternal smoking and elevation of catecholamines and metabolites in the amniotic fluid.

S. Yen, M. Wilkes, A. Babaknia, 1981, American journal of obstetrics and gynecology.

The placenta as the third brain.

S. Yen, 1994, The Journal of reproductive medicine.

Circulating levels of follistatin from puberty to menopause.

N. Ling, D. Apter, S. Yen, 1996, Fertility and sterility.

Absorption of Estrogens from Vaginal Creams

S. Yen, L. Rigg, H. Hermann, 1978 .

Nocturnal melatonin levels are unaltered by ovarian suppression in girls with central precocious puberty.

S. Berga, K. Jones, S. Yen, 1989 .

Acceleration of luteinizing hormone pulse frequency in functional hypothalamic amenorrhea by dopaminergic blockade.

S. Berga, A. Loucks, S. Yen, 1991, The Journal of clinical endocrinology and metabolism.

Effects of exogenous beta h-endorphin on pituitary hormone secretion and its disappearance rate in normal human subjects.

S. Yen, R. Reid, J. Hoff, 1981, The Journal of clinical endocrinology and metabolism.

Expression of the genes encoding the insulin-like growth factors (IGF-I and II), the IGF and insulin receptors, and IGF-binding proteins-1-6 and the localization of their gene products in normal and polycystic ovary syndrome ovaries.

N. Ling, C. Roberts, D. Leroith, 1994, The Journal of clinical endocrinology and metabolism.

Release of prostaglandins and histamine from sensitized and anaphylactic guinea pig lungs--changes in cyclic AMP levels.

P. Hedqvist, S. Yen, A. Mathé, 1977, Biochemical pharmacology.

Racial differences in renal kallikrein excretion: effect of the ovulatory cycle.

D. O'Connor, S. Yen, J. Cervenka, 1998, Kidney international.

Circadian rhythm and diurnal excursion of plasma cortisol in diabetic pregnant women.

F. Halberg, S. Yen, P. Meis, 1986, American journal of obstetrics and gynecology.

An imbalance of arachidonic acid metabolism in asthma.

S. Yen, H. G. Morris, S. S. Yen, 1981, Biochemical and biophysical research communications.

Estrogen withdrawal syndrome.

S. Yen, 1986, JAMA.

Chronological changes in sex steroid, gonadotropin and prolactin secretions in aging female rats displaying different reproductive states.

K., S. Yen, K. Lu, 1979, Biology of reproduction.

Sleep-associated decrease in luteinizing hormone pulse frequency during the early follicular phase of the menstrual cycle: evidence for an opioidergic mechanism.

S. Yen, W. Rossmanith, 1987, The Journal of clinical endocrinology and metabolism.

Calcium-regulating hormones across the menstrual cycle.

S. Manolagas, L. Deftos, S. Yen, 1986, The Journal of clinical endocrinology and metabolism.

Evidence for an influence of the ovary on circulating dehydroepiandrosterone sulfate levels.

R. Rebar, S. Yen, D. Cumming, 1982, The Journal of clinical endocrinology and metabolism.

A prospective study of dehydroepiandrosterone sulfate, mortality, and cardiovascular disease.

E. Barrett-Connor, K. Khaw, S. Yen, 1986, The New England journal of medicine.

Marked attenuation of ultradian and circadian rhythms of dehydroepiandrosterone in postmenopausal women: evidence for a reduced 17,20-desmolase enzymatic activity.

S. Yen, G. Laughlin, U. Fischer, 1990, The Journal of clinical endocrinology and metabolism.

Circulating concentrations of dehydroepiandrosterone and dehydroepiandrosterone sulfate during puberty.

S. Yen, B. Hopper, 1975, The Journal of clinical endocrinology and metabolism.

Inhibition of arachidonic acid-induced contraction of guinea pig lung strips.

S. Yen, 1981, Prostaglandins.

Circadian rhythm in circulating concentration of dihydroxyphenylacetic acid in normal women.

S. Yen, M. Wilkes, J. Hoff, 1981, The Journal of clinical endocrinology and metabolism.

Evidence for increased dopaminergic inhibition of secretion of thyroid-stimulating hormone in hyperprolactinemic patients with pituitary microadenoma.

S. Yen, M. Quigley, 1980, American journal of obstetrics and gynecology.

Modulation of anterior pituitary luteinizing hormone response to gonadotropin-releasing hormone by insulin-like growth factor I in vitro.

S. Yen, A. Cagnacci, R. Soldani, 1995, Fertility and sterility.

Alterations of the adrenocorticotropin-cortisol axis in normal weight bulimic women: evidence for a central mechanism.

S. Yen, J. Mortola, D. Rasmussen, 1989, The Journal of clinical endocrinology and metabolism.

GnRH release from the mediobasal hypothalamus: in vitro inhibition by corticotropin-releasing factor.

S. Yen, M. Gambacciani, D. Rasmussen, 1986, Neuroendocrinology.

Endocrine and Metabolic Effects of Long-Term Administration of [Nle 27 ]Growth Hormone-Releasing Hormone-(1–29)-NH 2 in Age-Advanced Men and Women*

S. Yen, G. Laughlin, O. Khorram, 1997 .

beta-Endorphin stimulates the secretion of insulin and glucagon in humans.

S. Yen, R. Reid, R. Reid, 1981, The Journal of clinical endocrinology and metabolism.

An increase in catecholamines and metabolites in the amniotic fluid compartment from middle to late gestation.

S. Yen, M. Wilkes, A. Babaknia, 1981, American journal of obstetrics and gynecology.

Pulsatile patterns of gonadotropins and testosterone in man: the effects of clomiphene, with and without testosterone added.

F. Naftolin, S. Yen, H. Judd, 1973, The Journal of clinical endocrinology and metabolism.

Indomethacin-responsive mononuclear cell dysfunction in "atypical" mycobacteriosis.

S. Yen, C. Kirkpatrick, U. Mason, 1982, Cellular Immunology.

ABNORMAL CARBOHYDRATE METABOLISM AND PREGNANCY. A STUDY AMONG PREGNANT GUAMANIAN WOMEN.

S. Yen, 1964, American journal of obstetrics and gynecology.

Urinary peptide hydroxyproline before and during postpartum involution of human uterus.

S. Yen, L. Klein, 1970, Metabolism: clinical and experimental.

GnRH Release from the Mediobasal Hypothalamus

S. Yen, M. Gambacciani, D. Rasmussen, 1986 .

GnRH release from the mediobasal hypothalamus. In vitro regulation by oxytocin.

S. Yen, M. Gambacciani, D. Rasmussen, 1986, Neuroendocrinology.

Synchronous Pulsatile Release of Luteinizing Hormone and Immunoreactive Beta‐Endorphin from the Human Pituitary in vitro

S. Yen, W. Rossmanith, D. Rasmussen, 1990, Journal of neuroendocrinology.

Hormonal dynamics during luteal-follicular transition.

S. Yen, R. Reid, V. Mais, 1987, The Journal of clinical endocrinology and metabolism.

Hypothalamic-pituitary-ovarian response to clomiphene citrate in women with polycystic ovary syndrome.

S. Berga, S. Yen, J. Mortola, 1993, Fertility and sterility.

Follicular arrest during the midfollicular phase of the menstrual cycle: a gonadotropin-releasing hormone antagonist imposed follicular-follicular transition.

H. Burger, W. Vale, J. Rivier, 1991, The Journal of clinical endocrinology and metabolism.

Effects of the antiprogesterone RU486 in the early follicular phase of the menstrual cycle.

J. Liu, S. Yen, V. G. Garzo, 1990, Fertility and sterility.

The effects of prolonged opiodergic blockade on LH pulsatile secretion during the menstrual cycle

S. Yen, W. Rossmanith, K. Sterzik, 1989 .

The effects of RU 486 and leuprolide acetate on uterine artery blood flow in the fibroid uterus: a prospective, randomized study.

S. Yen, R. Reinsch, A. Morales, 1994, American journal of obstetrics and gynecology.

Regression of uterine leiomyomata in response to the antiprogesterone RU 486.

S. Yen, A. Morales, V. Roberts, 1993, The Journal of clinical endocrinology and metabolism.

Endocrine responses to long-term administration of the antiprogesterone RU486 in patients with pelvic endometriosis.

J. Liu, S. Yen, James H. Liu, 1991, Fertility and sterility.

Pharmacodynamics of the antiprogesterone RU486 in women after oral administration.

J. Liu, S. Yen, V. G. Garzo, 1988, Fertility and sterility.

Induction of midcycle gonadotropin surge by ovarian steroids in women: a critical evaluation.

J. Liu, S. Yen, James H. Liu, 1983, The Journal of clinical endocrinology and metabolism.

Changes in beta-endorphin-like immunoreactivity in pituitary portal blood during the estrous cycle and after ovariectomy in rats.

D. Sarkar, S. Yen, 1985, Endocrinology.

Synthetic corticotropin-releasing factor stimulates secretion of immunoreactive β-endorphin/β-lipotropin and ACTH by human fetal pituitaries in vitro

W. Vale, J. Rivier, S. Yen, 1983 .

Circulating Luteinizing Hormone Pulse Frequency in Women with Polycystic Ovary Syndrome

S. Yen, B. Kessel, R. Kazer, 1987 .

New Data on Follicle Cells in Polycystic Ovaries: A Proposed Mechanism for the Genesis of Cystic Follicles

S. Yen, G. Erickson, 1984 .

Release of histamine and formation of prostaglandins in human lung tissue and rat mast cells.

S. Yen, K. Strandberg, A. Mathé, 1977, International Archives of Allergy and Applied Immunology.

Release of prostaglandins from healthy and sensitized guinea-pig lung and trachea by histamine.

S. Yen, A. Mathé, J. J. Dugan, 1976, Prostaglandins.

Prostaglandin release by slow reacting substance from guinea pig and human lung tissue.

S. Yen, K. Strandberg, A. Mathé, 1977, Prostaglandins.

Exercise-associated amenorrhea: a distinct entity?

R. Rebar, S. Yen, D. Cumming, 1981, American journal of obstetrics and gynecology.

Qualitative and quantitative assessment of the circadian rhythm of cortisol in pregnancy.

F. Halberg, S. Yen, P. Meis, 1983, American journal of obstetrics and gynecology.

Treatment of advanced cancer of prostate with megestrol acetate.

S. Yen, J. Geller, J. Albert, 1978, Urology.

Oxytocin potentiates the ACTH-releasing activity of CRF(41) but not vasopressin.

W. Vale, J. Rivier, S. Yen, 1984, Life sciences.

Prolactin-releasing action of LRF: a central catecholamine mediated event?

S. Yen, Y. W. Zhang, 1984, Life sciences.

Prophylactic use of hydrochlorothiazide in pregnancy.

S. Yen, G. W. Kraus, J. R. Marchese, 1966, JAMA.

HUMAN FETAL HYPOTHALAMIC GnRH NEUROSECRETION: DOPAMINERGIC REGULATION IN VITRO

J. Liu, S. Yen, W. Swartz, 1986, Clinical endocrinology.

Circulating estradiol, estrone and gonadotropin levels following the administration of orally active 17beta-estradiol in postmenopausal women.

S. Yen, N. Czekala, P. L. Martin, 1975, The Journal of clinical endocrinology and metabolism.

Menopausal flushes: effect of pituitary gonadotropin desensitization by a potent luteinizing hormone- releasing factor agonist.

R. Casper, S. Yen, 1981, The Journal of clinical endocrinology and metabolism.

Preoperative localization of a testosterone-secreting ovarian tumor by retrograde venous catheterization and selective sampling.

K. Benirschke, S. Yen, L. Talner, 1974, American journal of obstetrics and gynecology.

Maternal virilization developing during a twin pregnancy demonstration of excess ovarian androgen production associated with theca lutein cysts.

K. Benirschke, S. Yen, H. Judd, 1973, The New England journal of medicine.

Dependence of mean levels of circulating luteinizing hormone upon pulsatile amplitude and frequency.

S. Yen, R. Kazer, C. H. Liu, 1987, The Journal of clinical endocrinology and metabolism.

Accelerated dissolution of luteal-endometrial integrity by the administration of antagonists of gonadotropin-releasing hormone and progesterone to late-luteal phase women.

H. Burger, E. Baulieu, S. Yen, 1990, Fertility and sterility.

Attenuation during aging of the postovariectomy rise in median eminence catecholamines.

S. Yen, M. Wilkes, 1981, Neuroendocrinology.

Altered binding of serum thyroid hormone to thyroxine-binding globulin in women with functional hypothalamic amenorrhea.

S. Yen, G. Laughlin, J. Nelson, 1997, Fertility and sterility.

Serum Androstenedione and Testosterone Levels During the Menstrual Cycle

S. Yen, H. Judd, Howard L. Judd, 1973 .

Disparate effect of clomiphene and tamoxifen on pituitary gonadotropin release in vitro.

E. Adashi, A. Hsueh, S. Yen, 1981, The American journal of physiology.

Treatment of hirsutism with spironolactone.

R. Rebar, S. Yen, D. Cumming, 1982, JAMA.

Pattern of increase in circulating prolactin levels during human gestation.

S. Yen, L. Rigg, S. Yen, 1977, American journal of obstetrics and gynecology.

Reproductive Endocrinology: Physiology, Pathophysiology, and Clinical Management

S. Yen, R. Jaffe, 1999 .

β-ENDORPHIN IN THE HUMAN PANCREAS

S. Yen, J. Bruni, W. Watkins, 1979 .

Hepres genitalis; clinical and cytopathologic experience with 256 patients.

S. Yen, A. Ng, J. W. Reagan, 1970, Obstetrics and gynecology.

Induction of ovulation and pregnancy with pulsatile luteinizing hormone releasing factor: dosage and mode of delivery.

G. Leopold, S. Yen, R. Reid, 1981, Fertility and sterility.

Studies on the effect of gonadotropin-releasing hormone and its agonist on human luteal steroidogenesis in vitro.

R. Casper, S. Yen, S S Yen, 1984, Fertility and sterility.

Serotonergic mechanism in the control of beta-endorphin and ACTH release in male rats.

S. Yen, R. Hawkins, J. Bruni, 1982, Life sciences.

Amniotic fluid β-endorphin and α-melanocyte-stimulating hormone immunoreactivity in normal and complicated pregnancies

S. Yen, M. Wilkes, R. Stewart, 1982 .

The effect of estrogen priming of hypogonadal women on the release of gonadotropins and prolactin in response to 2-hydroxyestradiol.

E. Adashi, S. Yen, J. Fishman, 1982, Life sciences.

Direct in vitro stimulation of pituitary LH release by alpha melanocyte stimulating hormone.

A. Miyake, S. Yen, 1981, Life sciences.

Fetal lung maturation: amniotic fluid catecholamines, phospholipids, and cortisol.

S. Yen, M. Wilkes, B. Hopper, 1982, American journal of obstetrics and gynecology.

Functional studies of the luteinizing hormone-Leydig cell-androgen axis: exaggerated response in C-18 and C-21 testicular steroids to various modes of luteinizing hormone stimulation.

R. Rebar, S. Yen, B. Hopper, 1980, Journal of Clinical Endocrinology and Metabolism.

Serum bioactive follicle-stimulating hormone during the human menstrual cycle and in hyper- and hypogonadotropic states: application of a sensitive granulosa cell aromatase bioassay.

A. Hsueh, S. Yen, B. Kessel, 1986, The Journal of clinical endocrinology and metabolism.

Expression of human gonadotropin-releasing hormone receptor gene in the placenta and its functional relationship to human chorionic gonadotropin secretion.

S. Yen, V. Roberts, L. Lin, 1995, The Journal of clinical endocrinology and metabolism.

Comparison of in-vitro bioactivity and immunoreactivity of serum LH in normal cyclic and hypogonadal women treated with low doses of LH-RH.

B. Lasley, S. Yen, J. Hoff, 1982, Journal of reproduction and fertility.

The functional changes of the pituitary gonadotrophs during the menstrual cycle.

B. Lasley, S. Yen, A. Lein, 1976, The Journal of clinical endocrinology and metabolism.

The dependency of bioactive follicle-stimulating hormone secretion on gonadotropin-releasing hormone in hypogonadal and cycling women.

W. Vale, J. Rivier, A. Hsueh, 1988, The Journal of clinical endocrinology and metabolism.

In vitro biosynthesis of human placental lactogen (HPL) by placental tissue.

S. Yen, J. P. Gusdon, 1967, Obstetrics and gynecology.

Serum follicle-stimulating hormone levels in puberty.

S. Yen, W. Vicic, 1970, American journal of obstetrics and gynecology.

Gonadotropin levels in puberty. I. Serum luteinizing hormone.

S. Yen, W. Vicic, D. V. Kearchner, 1969, The Journal of clinical endocrinology and metabolism.

The dependency of folliculogenesis and corpus luteum function on pulsatile gonadotropin secretion in cycling women using a gonadotropin-releasing hormone antagonist as a probe.

W. Vale, J. Rivier, S. Yen, 1986, The Journal of clinical endocrinology and metabolism.

Radioimmunoassay of Serum Chorionic Gonadotropin and Placental Lactogen in Trophoblastic Disease

S. Yen, J. Rankin, O. Pearson, 1968, Obstetrics and gynecology.

Synthetic luteinizing hormone-releasing factor. A potent stimulator of gonadotropin release in man.

K. Benirschke, R. Guillemin, F. Naftolin, 1972, The Journal of clinical endocrinology and metabolism.

Effect of sustained hyperglycemia on the levels of human chorionic somatomammotropin in mid-pregnancy.

S. Yen, L. Ajabor, 1972, American journal of obstetrics and gynecology.

Pulsatile patterns of gonadotropin release in subjects with and without ovarian function.

F. Naftolin, S. Yen, C. Tsai, 1972, The Journal of clinical endocrinology and metabolism.

Dynamic changes in circulating inhibin levels during the luteal-follicular transition of the human menstrual cycle.

H. Burger, W. Vale, S. Yen, 1989, The Journal of clinical endocrinology and metabolism.

ENDOCRINE REGULATION OF METABC HOMEOSTASIS DURING PREGNANCY

S. Yen, 1973, Clinical obstetrics and gynecology.

Neurosteroidogenesis in astrocytes, oligodendrocytes, and neurons of cerebral cortex of rat brain.

S. Yen, I. Zwain, S. Yen, 1999, Endocrinology.

A mid-day surge in cortisol levels.

S. Yen, M. Quigley, S. Yen, 1979, The Journal of clinical endocrinology and metabolism.

Journal of Clinical Endocrinology and Metabolism Printed in U.S.A. Copyright © 1997 by The Endocrine Society Serum Leptin Levels in Women with Polycystic Ovary Syndrome: The Role of Insulin Resistance/

S. Yen, G. Laughlin, A. Morales, 2022 .

Hypoleptinemia in women athletes: absence of a diurnal rhythm with amenorrhea.

S. Yen, G. Laughlin, S S Yen, 1997, The Journal of clinical endocrinology and metabolism.

Neuroendocrine aberrations in women with functional hypothalamic amenorrhea.

S. Berga, S. Yen, G. Laughlin, 1989, The Journal of clinical endocrinology and metabolism.

The estimation of pituitary luteinizing hormone secretion.

D. Perlman, F. Naftolin, R. Rebar, 1973, The Journal of clinical endocrinology and metabolism.

Expression of genes encoding corticotropin-releasing factor (CRF), type 1 CRF receptor, and CRF-binding protein and localization of the gene products in the human ovary.

S. Yen, I. Zwain, H. Asakura, 1997, The Journal of clinical endocrinology and metabolism.

Expression of insulin-like growth factor-I (IGF-I) and IGF-II and the IGF-I, IGF-II, and insulin receptor genes and localization of the gene products in the human ovary.

C. Roberts, D. Leroith, S. Yen, 1993, The Journal of clinical endocrinology and metabolism.

Hypercortisolism in Patients With Functional Hypothalamic-Amenorrhea

S. Berga, S. Yen, G. Laughlin, 1988 .

Naloxone-induced prolactin secretion in women: evidence against a direct prolactin stimulatory effect of endogenous opioids.

S. Yen, M. Quigley, N. Cetel, 1985, The Journal of clinical endocrinology and metabolism.

Augmentation by naloxone of efflux of LRF from superfused medial basal hypothalamus.

S. Yen, M. Wilkes, 1981, Life sciences.

Impairment of growth hormone secretion in response to hypoglycemia during early and late pregnancy.

S. Yen, C. Tsai, P. Vela, 1970, The Journal of clinical endocrinology and metabolism.

The effects of ovarian wedge resection on circulating gonadotropin and ovarian steroid levels in patients with polycystic ovary syndrome.

D. Anderson, S. Yen, H. Judd, 1976, The Journal of clinical endocrinology and metabolism.

Pulsatile administration of low-dose gonadotropin-releasing hormone. Ovulation and pregnancy in women with hypothalamic amenorrhea.

R. Rebar, S. Yen, N. Cetel, 1983, JAMA.

Nocturnal patterns of serum gonadotropins during the menstrual cycle.

D. Perlman, F. Naftolin, S. Yen, 1973, The Journal of clinical endocrinology and metabolism.

Hypothalamic chronic anovulation.

S. Yen, G. Lachelin, 1978, American journal of obstetrics and gynecology.

Effect of luteinizing hormone-releasing factor on Leydig cell function.

R. Rebar, S. Yen, H. Judd, 1974, The Journal of clinical endocrinology and metabolism.

Endogenous opioid regulation of gonadotropin-releasing hormone release from the human fetal hypothalamus in vitro.

J. Liu, S. Yen, P. Wolf, 1983, The Journal of clinical endocrinology and metabolism.

Expression of inhibin/activin system messenger ribonucleic acids and proteins in ovarian follicles from women with polycystic ovarian syndrome.

S. Yen, V. Roberts, A. El-Roeiy, 1994, The Journal of clinical endocrinology and metabolism.

Acute suppression of circulating testosterone levels by cortisol in men.

S. Yen, D. Cumming, M. Quigley, 1983, The Journal of clinical endocrinology and metabolism.

Altered waveform of plasma nocturnal melatonin secretion in premenstrual depression.

D. Kripke, S. Berga, J. Gillin, 1990, Archives of general psychiatry.

Serum testosterone in fetal cattle.

K. Benirschke, S. Yen, C. K. Kim, 1972, General and comparative endocrinology.

The concentrations of androgens, oestrogens, progesterone and luteinizing hormone in the serum of foetal calves throughout the course of gestations.

K. Benirschke, F. Naftolin, S. Yen, 1974, The Journal of endocrinology.

Elucidation of mechanism(s) of the nocturnal rise of testosterone in men.

S. Yen, H. Judd, D. Parker, 1974, The Journal of clinical endocrinology and metabolism.

Astrocytes cultured in vitro produce estradiol-17beta and express aromatase cytochrome P-450 (P-450 AROM) mRNA.

C. Cheng, S. Yen, I. Zwain, 1997, Biochimica et Biophysica Acta.

Neuroendocrine Regulation of Reproduction

W. Vale, S. Yen, 1990 .

Efficacy of intravaginal and intranasal administration of micronized estradiol-17beta.

S. Yen, L. Rigg, B. Milanés, 1977, The Journal of clinical endocrinology and metabolism.

The disappearance of opioidergic regulation of gonadotropin secretion in postmenopausal women.

S. Yen, R. Reid, M. Quigley, 1983, The Journal of clinical endocrinology and metabolism.

The premenstrual syndrome.

S. Yen, R. Reid, S. Yen, 1983, Clinical obstetrics and gynecology.

LHRH Agonists and Antagonists: Therapeutic Possibilities for Premenstrual Syndrome

S. Yen, R. Reid, 1987 .

The sensitizing effect of estrogens and catechol estrogen on cultured pituitary cells to luteinizing hormone-releasing hormone: its antagonism by progestins.

A. Hsueh, S. Yen, G. Erickson, 1979, Endocrinology.

The food-entrained prolactin and cortisol release in late pregnancy and prolactinoma patients.

S. Yen, B. Ishizuka, M. Quigley, 1982, The Journal of clinical endocrinology and metabolism.

The effect of hepatic interposition on ovary‐pituitary interaction

James G. Chandler, S. Yen, A. Charters, 1980, Journal of microsurgery.

Gonadotropin-releasing activity of alpha-melanocyte-stimulating hormone in normal subjects and in subjects with hypothalamic-pituitary dysfunction.

N. Ling, S. Yen, R. Reid, 1984, The Journal of clinical endocrinology and metabolism.

Gonadotropic response to testicular transplants in the rat.

R. Gittes, S. Yen, S. Lee, 1972, Endocrinology.

The effect of an antiserum to luteinizing hormone-releasing hormone on the progesterone-induced luteinizing hormone surge in ovariectomized, estrogen-primed rats.

S. Yen, K. Lu, 1980, Endocrinology.

The effect of acutely administered 2-hydroxyestrone on the release of gonadotropins and prolactin before and after estrogen priming in hypogonadal women.

E. Adashi, S. Yen, J. Fishman, 1979, Life sciences.

The role of estrogen in the modulation of pituitary sensitivity of LRF (luteinizing hormone-releasing factor) in men.

B. Lasley, S. Yen, C. Wang, 1975, The Journal of clinical endocrinology and metabolism.

NEUROENDOCRINE CHANGES DURING MENOPAUSAL FLUSHES12

R. Casper, S. Yen, 1983 .

Effects of a superactive luteinizing hormone-releasing factor agonist on gonadotropin and ovarian function during the menstrual cycle.

R. Casper, S. Yen, K. Sheehan, 1979, American journal of obstetrics and gynecology.

The effects of estrogen and progesterone on the functional capacity of the gonadotrophs.

B. Lasley, S. Yen, C. Wang, 1975, The Journal of clinical endocrinology and metabolism.

Serum androstenedione and testosterone levels during the menstrual cycle.

S. Yen, H. Judd, H L Judd, 1973, The Journal of clinical endocrinology and metabolism.

The dopaminergic inhibition of LH secretion during the menstrual cycle.

S. Yen, M. Quigley, J. F. Ropert, 1984, Life sciences.

Effect of clomiphene citrate in polycystic ovary syndrome: Relationship between serum gonadotropin and corpus luteum function.

K. Ryan, S. Yen, P. Vela, 1970, The Journal of clinical endocrinology and metabolism.

Beta-endorphin stimulates the secretion of insulin and glucagon in diabetes mellitus.

S. Yen, R. Reid, J. Sandler, 1984, Metabolism: clinical and experimental.

Vascular Endothelial Growth Factor (VEGF) Expression in the Human Ovary

S. Yen, I. Zwain, P. Amato, 2000 .

Pituitary apoplexy. A review.

S. Yen, R. Reid, M. Quigley, 1985, Archives of neurology.

Altered neuroendocrine status of middle-aged rats prior to the onset of senescent anovulation.

S. Yen, K. Lu, M. Wilkes, 1979, Neuroendocrinology.

Effects of large doses of estrogen on prolactin and growth hormone release.

S. Yen, T. Siler, Y. Ehara, 1976, American journal of obstetrics and gynecology.

Prolactin‐Producing Microadenomas in Pregnancy

S. Yen, W. Divers, 1983, Obstetrics and gynecology.

Functional delineation of hyperprolactinemic-amenorrhea.

S. Yen, S. Abu-fadil, G. Lachelin, 1977, The Journal of clinical endocrinology and metabolism.

Histamine H2-receptors in guinea pig peripheral airway smooth muscle.

S. Yen, W. Kreutner, 1979, Life sciences.

Effects of estrogens on adrenal 3 beta-hydroxysteroid dehydrogenase in ovariectomized women.

D. Anderson, S. Yen, 1976, The Journal of clinical endocrinology and metabolism.

Clomiphene citrate reduces serum insulin-like growth factor I and increases sex hormone-binding globulin levels in women with polycystic ovary syndrome.

T. Bützow, S. Yen, L. Kettel, 1995, Fertility and sterility.

Changes in pituitary hormones during and following transsphenoidal removal of prolactinomas.

R. Casper, J. Alksne, S. Yen, 1980, American journal of obstetrics and gynecology.

Effects of [norleucine27]growth hormone-releasing hormone (GHRH) (1-29)-NH2 administration on the immune system of aging men and women.

S. Yen, O. Khorram, L. Vu, 1997, The Journal of clinical endocrinology and metabolism.

Female hypogonadotropic hypogonadism. Hypothalamic amenorrhea syndrome.

S. Yen, 1993, Endocrinology and metabolism clinics of North America.

Pituitary function in pseudocyesis.

R. Rebar, S. Yen, W. Quesenberry, 1976, The Journal of clinical endocrinology and metabolism.

Proceedings: Effect of oestrogens on adrenal steroid production in women.

D. Anderson, B. Lasley, S. Yen, 1975, Journal of Endocrinology.

Increased luteinizing hormone sensitivity to dopamine inhibition in polycystic ovary syndrome.

S. Yen, M. Quigley, J. Rakoff, 1981, The Journal of clinical endocrinology and metabolism.

Gonadotropin-releasing hormone neurosecretion in the human hypothalamus: in vitro regulation by dopamine.

J. Liu, S. Yen, P. Wolf, 1986, The Journal of clinical endocrinology and metabolism.

Chorionic gonadotropin prevents LRF-agonist-induced luteolysis in the human.

R. Casper, S. Yen, K. Sheehan, 1980, Contraception.

Evidence for a hypothalamic site of action of clomiphene citrate in women.

J. Liu, S. Yen, G. Phillipou, 1985, The Journal of clinical endocrinology and metabolism.

Growth Hormone-Releasing Hormone ( GHRH ) ( 1 – 29 )-NH 2 Administration on the Immune System of Aging Men and Women

S. Yen, O. Khorram, M. Yeung, 1997 .

The polycystic ovary syndrome.

S. Yen, 2020, Clinical endocrinology.

Amniotic fluid catecholamines and metabolites in intrauterine growth retardation.

S. Yen, L. Hill, M. Wilkes, 1981, American journal of obstetrics and gynecology.

Hyperprolactinemia decreases the luteinizing hormone-releasing hormone concentration in pituitary portal plasma: a possible role for beta-endorphin as a mediator.

D. Sarkar, S. Yen, 1985, Endocrinology.

Sleep-wake patterns of LH and testosterone release in prepubertal boys.

S. Yen, H. Judd, D. Parker, 1977, The Journal of clinical endocrinology and metabolism.

Progesterone induced acute release of prolactin in estrogen primed ovariectomized women.

S. Yen, J. Rakoff, S. Yen, 1978, The Journal of clinical endocrinology and metabolism.

Correlation of the effects of dexamethasone administration on urinary 17-ketosteroid and serum androgen levels in patients with hirsutism.

R. Mcpherson, S. Yen, H. Judd, 1977, American journal of obstetrics and gynecology.

Reduction by beta-endorphin of efflux of dopamine and DOPAC from superfused medial basal hypothalamus.

S. Yen, M. Wilkes, 1980, Life sciences.

Simultaneous pulsatile release of prolactin and luteinizing hormone induced by luteinizing hormone-releasing factor agonist.

R. Casper, S. Yen, 1981, The Journal of clinical endocrinology and metabolism.

Endogenous opioid regulation of gonadotropin-releasing hormone release from the human fetal hypothalamus in vitro

S. Yen, P. Wolf, James H. Liu, 1984 .

The effect of beta-endorphin on arginine-induced growth hormone and prolactin release.

S. Yen, R. Reid, 1981, Life sciences.

Progesterone and 20 alpha-hydroxyprogesterone stimulate the in vitro release of GnRH by the isolated mediobasal hypothalamus.

S. Yen, D. Rasmussen, 1983, Life sciences.

Evidence for an increased opioid inhibition of luteinizing hormone secretion in hyperprolactinemic patients with pituitary microadenoma.

R. Casper, S. Yen, M. Quigley, 1980, The Journal of clinical endocrinology and metabolism.

Serum insulin and growth hormone responses to arginine infusion before and during treatment with contraceptive steroids.

S. Yen, P. Vela, 1969, The Journal of clinical endocrinology.

Neurosecretion of human hypothalamic immunoreactive beta-endorphin: in vitro regulation by dopamine.

J. Liu, S. Yen, P. Wolf, 1987, Neuroendocrinology.

Effects of chromium picolinate supplementation on insulin sensitivity, serum lipids, and body composition in healthy, nonobese, older men and women.

S. Yen, A. Morales, P. Amato, 2000, The journals of gerontology. Series A, Biological sciences and medical sciences.

Gonorrhea during pregnancy.

S. Yen, G. Kraus, 1968, Obstetrics and gynecology.

Intravaginal administration of progesterone: enhanced absorption after estrogen treatment.

R. Casper, S. Yen, B. Villanueva, 1981, Fertility and sterility.

Concomitant pulsatile release of prolactin and luteinizing hormone in hypogonadal women.

S. Yen, N. Cetel, 1983, The Journal of clinical endocrinology and metabolism.

Comparison of intermittent and continuous use of a gonadotropin-releasing hormone antagonist (Nal-Glu) in in vitro fertilization cycles: a preliminary report.

S. Yen, R. Lobo, R. Paulson, 1991, American journal of obstetrics and gynecology.

The dynamics of gonadotropin inhibition in women induced by an antagonistic analog of gonadotropin-releasing hormone.

W. Vale, J. Rivier, S. Yen, 1983, Journal of Clinical Endocrinology and Metabolism.

Synthetic corticotropin-releasing factor stimulates secretion of immunoreactive beta-endorphin/beta-lipotropin and ACTH by human fetal pituitaries in vitro.

W. Vale, J. Rivier, S. Yen, 1983, Life Science.

Clinical Endocrinology of Reproduction

S. Yen, R. Yalow, R. Edwards, 1990 .

Hypercortisolism in patients with functional hypothalamic-amenorrhea.

S. Berga, J. Liu, S. Yen, 1988, The Journal of clinical endocrinology and metabolism.

Long term effects of nightly dexamethasone administration in patients with polycystic ovarian disease.

S. Yen, H. Judd, D. Parker, 1982, The Journal of clinical endocrinology and metabolism.

Estradiol, Estrone, and Gonadotropin Levels After Use of Vaginal Estradiol

S. Yen, M. Quigley, P. L. Martin, 1984, Obstetrics and Gynecology.

Pulsatile gonadotropin-releasing hormone release from the human mediobasal hypothalamus in vitro: opiate receptor-mediated suppression.

S. Yen, M. Gambacciani, W. Swartz, 1989, Neuroendocrinology.

GnRH stimulates ACTH and immunoreactive beta-endorphin release from the rat pituitary in vitro.

S. Yen, M. Gambacciani, D. Rasmussen, 1988, Life sciences.

Hypothalamic-pituitary-thyroidal function in eumenorrheic and amenorrheic athletes.

A. Loucks, S. Yen, G. Laughlin, 1992, The Journal of clinical endocrinology and metabolism.

Increase of beta-endorphin concentrations in the plasma and pituitary neuro-intermediate lobe of the rat on the afternoon of proestrus.

S. Yen, B. Ishizuka, M. Wilkes, 1982, Life sciences.

Growth hormone levels in pregnancy.

S. Yen, N. Samaan, O. Pearson, 1967, The Journal of clinical endocrinology and metabolism.

Pheochromocytoma: serial studies during pregnancy.

S. Yen, W. Brenner, A. Anton, 1972, American journal of obstetrics and gynecology.

A circadian rhythm of serum follicle-stimulating hormone in women.

S. Yen, G. Laughlin, J. Mortola, 1992, Journal of Clinical Endocrinology and Metabolism.

Medical castration with megestrol acetate and minidose of diethylstilbestrol.

S. Yen, S S Yen, J. Geller, 1981, Urology.

Circadian pattern of plasma melatonin concentrations during four phases of the human menstrual cycle.

S. Berga, S. Yen, S S Yen, 1990, Neuroendocrinology.

Neuroendocrine regulation of the menstrual cycle.

S. Yen, 1979, Hospital practice.

The effect of L-dopa and chlorpromazine on prolactin and growth hormone secretion in normal women.

S. Yen, H. Leblanc, 1976, American journal of obstetrics and gynecology.

Localization and quantitation of beta-endorphin in human brain and pituitary.

S. Yen, M. Wilkes, R. Stewart, 1980, Neuroendocrinology.

Monoamine neuron regulation of LRF neurons innervating the organum vasculosum laminae terminalis and median eminence

R. Moore, S. Yen, R. Kobayashi, 1979, Neuroscience Letters.

Alterations induced by clomiphene in the concentrations of oestrogen receptors in the uterus, pituitary gland and hypothalamus of female rats.

E. Adashi, A. Hsueh, S. Yen, 1980, Journal of Endocrinology.

Amniotic fluid beta-endorphin and alpha-melanocyte--stimulating hormone immunoreactivity in normal and complicated pregnancies.

S. Yen, M. Wilkes, R. Stewart, 1982, American journal of obstetrics and gynecology.

Rapid regression of uterine leiomyomas in response to daily administration of gonadotropin-releasing hormone antagonist.

W. Vale, J. Rivier, S. Yen, 1994, Fertility and sterility.

Suppression of Gonadotropins and Estradiol in Premenopausal Women by Oral Administration of the Nonpeptide Gonadotropin-Releasing Hormone Antagonist Elagolix

S. Yen, A. Nicholls, R. Jimenez, 2009 .

Circulating luteinizing hormone pulse frequency in women with polycystic ovary syndrome.

S. Yen, B. Kessel, R. Kazer, 1987, The Journal of clinical endocrinology and metabolism.

Effects of Synthetic Corticotropin-Releasing Factor and Dopamine on the Release of Immunoreactive β-Endorphin/β-Lipotropin and α-Melanocyte-Stimulating Hormone from Human Fetal Pituitaries in Vitro*

W. Vale, J. Rivier, S. Yen, 1982 .

The effect of Eck fistula upon intrasplenic ovarian neoplasm formation.

James G. Chandler, S. Yen, M. Orloff, 1972, Surgical forum.

Adrenal Andropause and Aging

S. Yen, 2000 .

Hypothalamic hypopituitarism in an adolescent girl: assessment by a direct functional test of the adenohypophysis.

K. Benirschke, S. Yen, J. Greenhoot, 1974, The Journal of clinical endocrinology and metabolism.

Does prolonged dopaminergic blockade alter the LH pulsatile secretion in normal cycling and postmenopausal women?

S. Yen, W. Rossmanith, U. Wirth, 1989, Acta Endocrinologica.

The effects of prolonged opioidergic blockade on LH pulsatile secretion during the menstrual cycle.

S. Yen, W. Rossmanith, K. Sterzik, 1989, Journal of Endocrinological Investigation.

Characterization of basal estrogen and androgen levels and gonadotropin release patterns in the obese adolescent female.

M. Harris, S. Yen, E. Kaufman, 1981, The Journal of pediatrics.

The effects of estrogen and progesterone on the functional capacity of the gonadotrophs.

B. Lasley, S. Yen, C. Wang, 1975, The Journal of clinical endocrinology and metabolism.

Regulation of the hypothalamic--pituitary--ovarian axis in women.

S. Yen, 1977, Journal of Reproduction and Fertility.

Gonadotropins and gonadal steroids in androgen insensitivity (testicular feminization) syndrome: effects of castration and sex steroid administration.

F. Naftolin, S. Yen, P. Polani, 1983, American journal of obstetrics and gynecology.

Prolactin-releasing action of gonadotropin-releasing hormone in hypogonadal women.

S. Yen, V. Mais, 1986, The Journal of clinical endocrinology and metabolism.

GROWTH HORMONE LEVELS IN MATERNAL AND CORD BLOOD.

S. Yen, O. Pearson, S. Stratman, 1965, The Journal of clinical endocrinology and metabolism.

Immunoreactive beta-endorphin/lipotrophin in the chronically cannulated ovine foetus: response to bilateral foetal adrenalectomy.

E. Wintour, S. Yen, D. Hennessy, 1982, Acta endocrinologica.

Comparison of cylic and linear forms of somatostatin in the inhibiton of growth hormone, insulin and glucagon Secretion.

S. Yen, H. Leblanc, 1975, The Journal of clinical endocrinology and metabolism.