H. Niemann

发表

Luteal blood flow is a more appropriate indicator for luteal function during the bovine estrous cycle than luteal size.

H. Bollwein, M. Kaske, K. Herzog, 2010, Theriogenology.

Alterations of expression of developmentally important genes in preimplantation bovine embryos by in vitro culture conditions: implications for subsequent development.

C Wrenzycki, C. Wrenzycki, H. Niemann, 2000, Theriogenology.

The Transgenic Rabbit as Model for Human Diseases and as a Source of Biologically Active Recombinant Proteins

Z. Bősze, J. Carnwath, H. Niemann, 2003, Transgenic Research.

Respiration rates correlate with mRNA expression of G6PD and GLUT1 genes in individual bovine in vitro-produced blastocysts.

C. Wrenzycki, H. Callesen, N. Ramsing, 2007, Theriogenology.

Cryopreservation of bovine oocytes and embryos following microsurgical operations

A. Lucas-Hahn, H. Niemann, C. Stoffregen, 1993, Molecular reproduction and development.

Effects of slitting the zona pellucida and its subsequent sealing on freeze-thaw survival of Day 7 bovine embryos.

J. Pryor, H. Niemann, K. Bondioli, 1987, Theriogenology.

Comparison of survival rates of day 7 and day 8 bovine embryos after fast freezing and thawing.

H. Niemann, W. Lampeter, B. Sacher, 1982, Theriogenology.

Assessment of the presence of a dominant follicle and selection of dairy cows suitable for superovulation by a single ultrasound examination.

H. Niemann, L. Bungartz, 1994, Journal of reproduction and fertility.

Improvement of the Developmental Capacity of Oocytes from Prepubertal Cattleby Intraovarian Insulin-Like Growth Factor-I Application1

C. Wrenzycki, H. Niemann, D. Herrmann, 2004, Biology of reproduction.

Collection of oocytes from cattle via follicular aspiration aided by ultrasound with or without gonadotropin pretreatment and in different reproductive stages.

D. Rath, A. Lucas-Hahn, H. Niemann, 1995, Theriogenology.

Expression of the gap junction gene connexin43 (Cx43) in preimplantation bovine embryos derived in vitro or in vivo.

C. Wrenzycki, H. Niemann, J. Carnwath, 1996, Journal of reproduction and fertility.

In Vitro Production and Nuclear Transfer Affect Dosage Compensation of the X-Linked Gene Transcripts G6PD, PGK, and Xist in Preimplantation Bovine Embryos1

C. Wrenzycki, H. Niemann, A. Lucas-Hahn, 2002, Biology of reproduction.

Effects of oocyte quality, oxygen tension, embryo density, cumulus cells and energy substrates on cleavage and morula/blastocyst formation of bovine embryos.

H. Niemann, N. Khurana, 2000, Theriogenology.

Effects of cryopreservation on glucose metabolism and survival of bovine morulae and blastocysts derived in vitro or in vivo.

H. Niemann, N. Khurana, 2000, Theriogenology.

Fertilization and developmental competence of bovine oocytes derived from different categories of antral follicles

A. Lucas-Hahn, H. Niemann, A. Pavlok, 1992, Molecular reproduction and development.

Isolation of bovine cardiomyocytes for reprogramming studies based on nuclear transfer.

A. Haverich, J. Carnwath, A. Lucas-Hahn, 2006, Cloning and stem cells.

Cryopreservation of ova and embryos from livestock: Current status and research needs

H. Niemann, 1991 .

Freezability of porcine blastocysts at different peri-hatching stages.

H. Nagashima, H. Niemann, H. Yamakawa, 1992, Theriogenology.

Changes in the relative abundance of mRNA transcripts for insulin-like growth factor (IGF-I and IGF-II) ligands and their receptors (IGF-IR/IGF-IIR) in preimplantation bovine embryos derived from different in vitro systems.

C. Wrenzycki, J. Carnwath, H. Niemann, 2001, Reproduction.

Alterations in the relative abundance of gene transcripts in preimplantation bovine embryos cultured in medium supplemented with either serum or PVA

C. Wrenzycki, J. Carnwath, H. Niemann, 1999, Molecular reproduction and development.

Mitogenic and anti-apoptotic activity of insulin on bovine embryos produced in vitro.

C. Wrenzycki, H. Niemann, B. Fischer, 2003, Reproduction.

Effects of vitrification medium composition on the survival of bovine in vitro produced embryos, following in straw-dilution, in vitro and in vivo following transfer.

H. R. Tervit, H. Niemann, P. A. Pugh, 2000, Animal reproduction science.

Cryopreservation of bovine in vitro produced embryos using ethylene glycol in controlled freezing or vitrification.

H. Niemann, V. Sommerfeld, 1999, Cryobiology.

Formation of nuclear microarchitecture in the preimplantation bovine embryo at the onset of transcription: Implications for biotechnology

H. Niemann, V. Kopečný, 1993 .

Effects of insulin-like growth factor-I on in-vitro production of bovine embryos

A. Lucas-Hahn, A. Herrler, H. Niemann, 1992 .

Transgenic Myocardial Overexpression of Fibroblast Growth Factor-1 Increases

P. Doevendans, W. Schaper, H. Niemann, 2022 .

The role of RNA polymerase I transcription and embryonic genome activation in nucleolar development in bovine preimplantation embryos

F. Strejček, J. Laurinčík, P. Maddox-Hyttel, 2008, Molecular reproduction and development.

Direct rehydration of IVM, IVF and IVC bovine embryos frozen in ethylene-glycol

S. Cseh, A. Lucas-Hahn, H. Niemann, 1995 .

Steroid Hormones in Early Pig Embryo Development

H. Niemann, F. Elsaesser, 1987 .

Evidence for estrogen-dependent blastocyst formation in the pig.

H. Niemann, F. Elsaesser, 1986, Biology of reproduction.

Accumulation of Sex Steroids in Preimplantation Pig Blastocysts and Their Importance for an Undisturbed Early Embryonic Development

H. Niemann, F. Elsaesser, 1986 .

Uterine blood flow during the first 3 weeks of pregnancy in dairy cows.

D. Rath, H. Bollwein, K. Herzog, 2008, Theriogenology.

Effects of superovulated heifer diet type and quantity on relative mRNA abundances and pyruvate metabolism in recovered embryos.

C. Wrenzycki, P. D. De Sousa, H. Niemann, 2000, Journal of reproduction and fertility.

Uptake and effects of ovarian steroids in the early pig embryo: In vitro and in vivo studies

H. Niemann, F. Elsaesser, 1984 .

3H‐uridine incorporation in early porcine embryos

H. Niemann, F. Elsaesser, H. Döpke, 1991, Molecular reproduction and development.

Effect of recombinant bovine somatotropin (rBST) on follicular IGF-I contents and the ovarian response following superovulatory treatment in dairy cows: a preliminary study.

R. Einspanier, D. Schams, H. Niemann, 1994, Theriogenology.

Gene-specific profiling of DNA methylation and mRNA expression in bovine oocytes derived from follicles of different size categories.

T. Haaf, H. Niemann, A. Lucas-Hahn, 2017, Reproduction, fertility, and development.

Messenger RNA in oocytes and embryos in relation to embryo viability.

C. Wrenzycki, H. Niemann, H. Niemann, 2007, Theriogenology.

Effects of follicle size and stages of maturation on mRNA expression in bovine in vitro matured oocytes

C. Wrenzycki, H. Niemann, D. Salamone, 2008, Molecular reproduction and development.

Protracted induction of parturition enhances placental maturation, but does not influence incidence of placental retention in cows.

D. Rath, H. Niemann, H. Bollwein, 2013, Theriogenology.

Biotechnology in genetics and reproduction

D. Smidt, H. Niemann, 1999 .

Timing of Blastocyst Expansion Affects Spatial Messenger RNA Expression Patterns of Genes in Bovine Blastocysts Produced In Vitro1

C. Wrenzycki, H. Niemann, H. Niemann, 2003, Biology of reproduction.

Glucose transporter expression is developmentally regulated in in vitro derived bovine preimplantation embryos

C. Wrenzycki, H. Niemann, H. Niemann, 2001, Molecular reproduction and development.

UlTRasTRUCTURal aNalysIs Of bOvINe sOma TIC Cell NUCleaR TRaNsfeR (sCNT) embR yOs DURINg The fIRsT Cell CyCle

F. Strejček, P. Maddox-Hyttel, I. Petrovičová, 2009 .

Rosette inhibition titres in pig sera before and after recovery of ova and following the transfer of embryos

H. Niemann, E. Koch, F. Ellendorff, 1986 .

An in vivo culture system for human embryos using an encapsulation technology: a pilot study

C. Simón, P. Aebischer, P. Haentjens, 2008, Human reproduction.

A detailed analysis of pronucleus development in bovine zygotes in vitro: Cell‐cycle chronology and ultrastructure

G. Brem, J. Laurinčík, K. Schellander, 1998, Molecular reproduction and development.

Male-dependent variability of fertilization and embryo development in two bovine in vitro fertilization systems and the effects of casein phosphopeptides (CPPs).

H. Niemann, T. Nagai, U. Kreysing, 1997, Reproduction, fertility, and development.

Expression of RNA from developmentally important genes in preimplantation bovine embryos produced in TCM supplemented with BSA.

C. Wrenzycki, J. Carnwath, H. Niemann, 1998, Journal of reproduction and fertility.

Manipulatingearly pig embryos

H. Niemann, B. Reichelt, 2020 .

Developmental capacity, size and number of nuclei in pig embryos cultured in vitro

P. Dziuk, M. Illera, H. Niemann, 1983 .

Nuclear Transfer Protocol Affects Messenger RNA Expression Patterns in Cloned Bovine Blastocysts

D. Wells, C. Wrenzycki, H. Niemann, 2001, Biology of reproduction.

Collection and transfer of ovine embryos by laparoscopy

H. Niemann, E. Nellenschulte, 1992 .

Effects of oocyte maturation regimen on the relative abundance of gene transcripts in bovine blastocysts derived in vitro or in vivo.

C. Wrenzycki, H. Niemann, P. Hendriksen, 2002, Reproduction.

Transcriptional activity and nuclear ultrastructure of 8‐cell bovine embryos developed by in vitro maturation and fertilization of oocytes from different growth categories of antral follicles

A. Lucas-Hahn, H. Niemann, A. Pavlok, 1993, Molecular reproduction and development.

Cellular characterization of blastocysts derived from rabbit 4-, 8- and 16-cell embryos and isolated blastomeres cultured in vitro.

H. Niemann, T. Tao, 2000, Human reproduction.

Superovulation of dairy cows with purified FSH supplemented with defined amounts of LH.

A. Herrler, H. Niemann, N. Parvizi, 1991, Theriogenology.

Gene expression patterns in in vitro-produced and somatic nuclear transfer-derived preimplantation bovine embryos: relationship to the large offspring syndrome?

C. Wrenzycki, A. Lucas-Hahn, H. Niemann, 2004, Animal reproduction science.

Generation of identical twin piglets following bisection of embryos at the morula and blastocyst stage.

H. Niemann, B. Reichelt, 1994, Journal of reproduction and fertility.

Ratio of inner cell mass and trophoblastic cells in blastocysts derived from porcine 4- and 8-cell embryos and isolated blastomeres cultured in vitro in the presence or absence of protein and human leukemia inhibitory factor.

H. Niemann, J. Eckert, T. Tao, 1997, Biology of reproduction.

Ratio of inner cell mass and trophoblastic cells in demi- and intact pig embryos.

H. Niemann, T. Tao, B. Reichelt, 1995, Journal of reproduction and fertility.

Effects of extracellular matrices and growth factors on the development of isolated porcine blastomeres.

H. Niemann, S. Saito, 1991, Biology of reproduction.

An approach to successful freezing of demi-embryos derived from day-7 bovine embryos.

G. Brem, D. Smidt, H. Niemann, 1986, Theriogenology.

In vitro survival of fresh and frozen/thawed bovine demi-embryos.

A. Lucas-Hahn, H. Niemann, 1991, Theriogenology.

Ultrastructure of porcine embryos following development in vitro versus in vivo

H. Niemann, P. Hyttel, 1990, Molecular reproduction and development.

Luteal blood flow increases during the first three weeks of pregnancy in lactating dairy cows.

J. Kastelic, H. Bollwein, K. Herzog, 2011, Theriogenology.

Pregnancy rates relative to recipient plasma progesterone levels on the day of nonsurgical transfer of frozen/thawed bovine embryos.

H. Niemann, B. Sacher, F. Elsaesser, 1985, Theriogenology.

Establishment of genetic resources in German Black Pied cattle of the old type using biotechnological methods

H. Niemann, B. Sacher, P. Nienhaus, 1991 .

Effects of culture system and protein supplementation on mRNA expression in pre-implantation bovine embryos.

B. Brackett, C. Wrenzycki, H. Niemann, 2001, Human reproduction.

Altered mRNA expression patterns in bovine blastocysts after fertilisation in vitro using flow‐cytometrically sex‐sorted sperm

C. Wrenzycki, D. Rath, H. Niemann, 2007, Molecular reproduction and development.

Accumulation of oestrone by pig blastocysts and its potential physiological significance for blastocyst development in vitro.

H. Niemann, F. Elsaesser, 1987, Journal of reproduction and fertility.

Reproductive Biotechnology: Prospects and Applications in the Herd Management of Sows*

H. Niemann, 1991 .

Effects of in vivo prematuration and in vivo final maturation on developmental capacity and quality of pre-implantation embryos.

C. Wrenzycki, D. Viuff, P. Hendriksen, 2002, Theriogenology.

Rapid milk progesterone assay as a tool for the selection of potential donor cows prior to superovulation.

A. Herrler, H. Niemann, F. Elsaesser, 1990, Theriogenology.

Successful intercontinental transport of porcine embryos from Europe to South America.

H. Niemann, J. C. Gardón, A. Wüst, 1989, Theriogenology.

Superovulation and recovery of zygotes suitable for microinjection in different breeds of sheep

H. Niemann, A. Guzik, 1995 .

Effects of a shortened preovulatory follicular phase on genital blood flow and endometrial hormone receptor concentrations in Holstein-Friesian cows.

H. Niemann, H. Bollwein, S. Ulbrich, 2010, Theriogenology.

Exogenous protein affects developmental competence and metabolic activity of bovine pre-implantation embryos in vitro.

H. R. Tervit, J. G. Thompson, H. Niemann, 1998, Reproduction, fertility, and development.

[FDA- and DAPI-tests. Evaluation of bovine embryo vitality by fluorescence microscopy].

D. Smidt, H. Niemann, B. Sacher, 1981, Berliner und Munchener tierarztliche Wochenschrift.

139 OXIDATIVE STRESS INDUCED CHANGES OF GLUTATHIONE CONCENTRATION IN IN VITRO-PRODUCED BOVINE BLASTOCYSTS

C. Wrenzycki, H. Niemann, D. Herrmann, 2007 .

Effects of a dominant follicle on ovarian responses of dairy cows following various superovulatory treatment schedules

H. Niemann, L. Bungartz, 1993 .

Long-term ultrasound guided ovum pick-up in heifers from 6 to 15 months of age

D. Rath, A. Lucas-Hahn, H. Niemann, 1996 .

Improvement of survival rates of bovine blastocysts with sucrose for glycerol dilution after a fast freezing and thawing method

D. Smidt, H. Niemann, B. Sacher, 1982 .

A SURVEY OF SPERM MEDIATED DNA‐TRANSFER IN FARM ANIMALS

H. Niemann, 1995 .

Bovine embryonic stem cell-like cell lines cultured over several passages

N. Strelchenko, H. Niemann, S. Saito, 1992, Roux's archives of developmental biology.

DAPI : a further fluorescence test for diagnosing the viability of early cow and rabbit embryos

H. Niemann, S. P. Cheng, E. Schilling, 1979 .

In Vitro and in Vivo Survival of Bovine Demi-Embryos Following Simplified Bisection and Transfer of One or Two Halves per Recipient

H. Niemann, S. Saito, 1993 .

Inhibition of porcine endogenous retroviruses (PERVs) in primary porcine cells by RNA interference using lentiviral vectors

R. Kurth, R. Kurth, A. Karlas, 2006, Archives of Virology.

Advances in biotechnology: new tools in future pig production for agriculture and biomedicine.

C. Wrenzycki, D. Rath, H. Niemann, 2003, Reproduction in domestic animals = Zuchthygiene.

Expression of active human blood clotting factor VIII in mammary gland of transgenic rabbits.

H. Niemann, M. Baranyi, J. Carnwath, 2003, DNA and cell biology.

Nucleolar ultrastructure and protein allocation in in vitro produced porcine embryos

B. Bjerregaard, F. Strejček, J. Laurinčík, 2004, Molecular reproduction and development.