C. Keefer

发表

Lessons learned from nuclear transfer (cloning).

C. Keefer, 2008, Theriogenology.

Interspecies differences in the stability of mammalian sperm nuclei assessed in vivo by sperm microinjection and in vitro by flow cytometry.

R. Zucker, S. Perreault, C. Keefer, 1988, Biology of reproduction.

Fertilization by sperm injection in the rabbit.

C. Keefer, 1989, Gamete research.

Cleavage development of bovine oocytes fertilized by sperm injection

B. Brackett, C. Keefer, A. I. Younis, 1990, Molecular reproduction and development.

Activation of bovine oocytes following intracytoplasmic sperm injection (ICSI).

C. Keefer, J. Chung, B. Downey, 2000, Theriogenology.

Artificial cloning of domestic animals

C. Keefer, 2015, Proceedings of the National Academy of Sciences.

State of the art in the production of transgenic goats.

A. Lazaris, C. Karatzas, C. Keefer, 2004, Reproduction, fertility, and development.

Nuclear transfer in goats using in vitro matured oocytes recovered by laparoscopic ovum pick-up.

A. Lazaris, C. Karatzas, C. Keefer, 2003, Cloning and stem cells.

Optimization of a lipitoid-based plasmid DNA transfection protocol for bovine trophectoderm CT-1 cells

C. Keefer, A. Schiffmacher, 2012, In Vitro Cellular & Developmental Biology - Animal.

Telomere length analysis in goat clones and their offspring

J. Petrik, S. Perrault, W. A. King, 2005, Molecular reproduction and development.

Mechanical phenotyping of mouse embryonic stem cells: increase in stiffness with differentiation.

Hamid Ladjal, Anand Pillarisetti, Antoine Ferreira, 2011, Cellular reprogramming.

Laparoscopic oviductal transfer of in vitro matured and in vitro fertilized bovine oocytes.

B. Brackett, C. Keefer, A. I. Younis, 1989, Theriogenology.

In vitro fertilization of bovine follicular oocytes recovered by laparoscopy.

B. Brackett, K. Schellander, H. Malter, 1989, Theriogenology.

Bovine inner cell mass cells as donor nuclei in the production of nuclear transfer embryos and calves.

S. Stice, C. Keefer, D. Matthews, 1994, Biology of reproduction.

Cryopreservation of goat oocytes and in vivo derived 2- to 4-cell embryos using the cryoloop (CLV) and solid-surface vitrification (SSV) methods.

A. Dinnyés, C. Keefer, H. Baldassarre, 2003, Theriogenology.

Conservation of spermatogonial stem cell marker expression in undifferentiated felid spermatogonia.

B. Pukazhenthi, C. Keefer, L. Vansandt, 2016, Theriogenology.

Analysis of metabolic flux in felid spermatozoa using metabolomics and 13C-based fluxomics†.

C. Keefer, A. Crosier, H. Weiner, 2019, Biology of reproduction.

Production of Cloned Goats after Nuclear Transfer Using Adult Somatic Cells1

A. Lazaris, C. Karatzas, C. Keefer, 2002, Biology of reproduction.

Fertilization of bovine oocytes by sperm injection

B. Brackett, C. Keefer, A. I. Younis, 1989 .

Epidermal Growth Factor (EGF) Sustains In Vitro Primordial Follicle Viability by Enhancing Stromal Cell Proliferation via MAPK and PI3K Pathways in the Prepubertal, but Not Adult, Cat Ovary1

N. Songsasen, D. Wildt, P. Comizzoli, 2014, Biology of reproduction.

Abnormal Reproductive Patterns in Przewalski's Mares Are Associated with a Loss in Gene Diversity1

N. Songsasen, S. Monfort, C. Keefer, 2012, Biology of reproduction.

Pluripotent bovine embryonic cell lines direct embryonic development following nuclear transfer.

S. Stice, N. Strelchenko, C. Keefer, 1996, Biology of reproduction.

Factors affecting captive whooping crane egg fertility: A retrospective analysis

N. Songsasen, C. Keefer, Megan E Brown, 2019, The Journal of Wildlife Management.

Time within reproductive season, but not age or inbreeding coefficient, affects seminal and sperm quality in the whooping crane (Grus americana).

N. Songsasen, M. E. Brown, D. Wildt, 2015, Reproduction, fertility, and development.

Oral and injectable synthetic progestagens effectively manipulate the estrous cycle in the Przewalski's horse (Equus ferus przewalskii).

N. Songsasen, S. Monfort, C. Keefer, 2014, Animal reproduction science.

Challenges and prospects for the establishment of embryonic stem cell lines of domesticated ungulates.

L. Blomberg, D. Pant, C. Keefer, 2007, Animal reproduction science.

Sexual maturation and fertility of male Nigerian Dwarf goat (Capra hircus) clones produced by somatic cell nuclear transfer.

C. Keefer, M. Drolet, H. Baldassarre, 2001, Cloning and stem cells.

Developmental expression of pluripotency determining factors in caprine embryos: Novel pattern of NANOG protein localization in the nucleolus

D. Melican, W. Gavin, D. Pant, 2006, Molecular reproduction and development.

New techniques for assisted fertilization

C. Keefer, 1990 .

Generation of Dwarf Goat (Capra hircus) Clones Following Nuclear Transfer with Transfected and Nontransfected Fetal Fibroblasts and In Vitro-Matured Oocytes1

M. Leduc, A. Lazaris, C. Karatzas, 2001, Biology of reproduction.

Transgenesis using nuclear transfer in goats.

A. Lazaris, C. Karatzas, C. Keefer, 2006, Methods in molecular biology.

USE OF DNA MABKERSIN ANIMAL SELECTION

C. Keefer, M. Bishop, G. Hawkins, 1995 .

Use of DNA markers in animal selection

C. Keefer, M. Bishop, G. Hawkins, 1995 .

Combinations of Growth Factors Regulating LIF/STAT3, WNT, and FGF2 Pathways Sustain Pluripotency-Related Proteins in Cat Embryonic Cells.

D. Wildt, P. Comizzoli, C. Keefer, 2019, Stem cells and development.

Monitoring bovine fetal fibroblast reprogramming utilizing a bovine NANOG promoter‐driven EGFP reporter system

C. Keefer, Huayan Wang, Lei Li, 2013, Molecular reproduction and development.

Production of bioproducts through the use of transgenic animal models.

C. Keefer, 2004, Animal reproduction science.

Spontaneous activation of ovulated rat oocytes during in vitro culture.

C. Keefer, A. Schuetz, Carol L. Keefer, 1982, The Journal of experimental zoology.

Endogenous pluripotent factor expression after reprogramming cat fetal fibroblasts using inducible transcription factors

P. Comizzoli, C. Keefer, R. Zhou, 2019, Molecular reproduction and development.

Bovine nuclear transfer embryos: Oocyte activation prior to blastomere fusion

S. Stice, C. Keefer, Lee Matthews, 1994, Molecular reproduction and development.

Multiple generational bovine embryo cloning.

S. Stice, C. Keefer, 1993, Biology of reproduction.

Bovine twins resulting from in vitro fertilization

B. Brackett, C. Keefer, K. Bennett, 1984 .

Effect of follicle‐stimulating hormone and luteinizing hormone during bovine in vitro maturation on development following in vitro fertilization and nuclear transfer

S. Stice, J. Dobrinsky, C. Keefer, 1993, Molecular reproduction and development.

Advances in the production and propagation of transgenic goats using laparoscopic ovum pick-up and in vitro embryo production technologies.

Bin Wang, A. Lazaris, C. Karatzas, 2002, Theriogenology.

Benefits and problems with cloning animals.

V. Bordignon, L. Smith, G. Fecteau, 2000, The Canadian veterinary journal = La revue veterinaire canadienne.

In vitro culture of bovine IVM-IVF embryos: Cooperative interaction among embryos and the role of growth factors.

S. Stice, A. Paprocki, C. Keefer, 1994, Theriogenology.

A DNA-Specific Technique for Pig and Cattle Oocytes using Counterstain-Enhanced Fluorescence

B. Brackett, K. Schellander, C. Keefer, 1990 .

Prepubertal propagation of transgenic cloned goats by laparoscopic ovum pick-up and in vitro embryo production.

A. Lazaris, C. Karatzas, C. Keefer, 2004, Cloning and stem cells.

Developmental competence of prepubertal and adult goat oocytes cultured in semi-defined media following laparoscopic recovery.

C. Keefer, B. Downey, H. Baldassarre, 2003, Theriogenology.

Testing capacitation of bull sperm with zona-free hamster ova

B. Brackett, K. Schellander, C. Keefer, 1989 .

Cryopreservation effects on sperm function and fertility in two threatened crane species.

N. Songsasen, B. Pukazhenthi, C. Keefer, 2018, Cryobiology.

Bovine embryo development in vitro: Effect of in vitro maturation conditions on fertilization and blastocyst development

S. Stice, C. Keefer, M. Maki-Laurila, 1991 .

Female gonadal hormones and reproductive behaviors as key determinants of successful reproductive output of breeding whooping cranes (Grus americana).

N. Songsasen, S. Converse, C. Keefer, 2016, General and comparative endocrinology.

Chromic and iron oxides as fecal markers to identify individual whooping cranes

J. French, N. Songsasen, D. Wildt, 2014 .

Influence of GnRH administration on timing of the LH surge and ovulation in dwarf goats.

C. Keefer, B. Downey, H. Baldassarre, 2003, Theriogenology.

Culture of in vitro fertilized rabbit ova.

B. Brackett, C. Keefer, R. Fayrer-Hosken, 1988, Gamete research.

CDX2 regulates multiple trophoblast genes in bovine trophectoderm CT‐1 cells

C. Keefer, A. Schiffmacher, 2013, Molecular reproduction and development.

Lymphoid Enhancer Factor 1‐Mediated Wnt Signaling Promotes the Initiation of Trophoblast Lineage Differentiation in Mouse Embryonic Stem Cells

D. Pant, C. Keefer, A. Schiffmacher, 2008, Stem cells.

Transgene Expression of Green Fluorescent Protein and Germ Line Transmission in Cloned Calves Derived from In Vitro-Transfected Somatic Cells1

V. Bordignon, A. Lazaris, G. Fecteau, 2003, Biology of reproduction.

Source of protein supplementation during in vitro culture does not affect the quality of resulting blastocysts in the domestic cat.

P. Comizzoli, C. Keefer, J. Graves-Herring, 2012, Reproduction in domestic animals = Zuchthygiene.

Expression of pluripotency-related genes during bovine inner cell mass explant culture.

D. Pant, C. Keefer, 2009, Cloning and stem cells.

Mechanical phenotyping of stem cells.

Jaydev P Desai, J. Desai, C. Keefer, 2011, Theriogenology.

Transgenic goats produced by DNA pronuclear microinjection of in vitro derived zygotes

M. Leduc, A. Lazaris, C. Karatzas, 2002, Molecular reproduction and development.

Donor blastomere cell cycle stage affects developmental competence of bovine nuclear transfer embryos

S. Stice, C. Keefer, L. Matthews, 1993 .

Producing multiple generations of bovine nuclear transplant embryos

P. E. Phillips, S. Stice, C. Keefer, 1991 .

Male/female sex ratio and survival following embryo biopsy of in vitro produced bovine embryos

S. Stice, A. Paprocki, C. Keefer, 1994 .

Seasonal variation in preovulatory events associated with synchronization of estrus in dwarf goats.

C. Keefer, B. Downey, H. Baldassarre, 2001, Theriogenology.

Onset of sexual maturity and semen production in Nigerian Dwarf (Copra hircus) bucks

C. Keefer, M. Gauthier, B. Szyngiel, 1998 .

Molecular markers of spermatogonial stem cells in the domestic cat.

B. Pukazhenthi, C. Keefer, L. Vansandt, 2012, Reproduction in domestic animals = Zuchthygiene.

Atomic force microscopy-based single-cell indentation: Experimentation and finite element simulation

Jaydev P. Desai, Hamid Ladjal, Jean-Luc Hanus, 2009, 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Reviewers List

Carol Keefer, Liz Glass, Basil J. Nikolau, 2004, Transgenic Research.

Blood constituents during the estrous cycle and early pregnancy in dairy cows.

R. Silcox, C. Keefer, A. Johnson, 1990, Theriogenology.

Egg production and endocrine profiles of female whooping cranes (Grus americana) maintained ex situ are improved in naturalized enclosures

N. Songsasen, C. Keefer, Megan E Brown, 2023, Theriogenology Wild.

Reality-Based Real-Time Cell Indentation Simulator

H. Ladjal, A. Ferreira, J. L. Hanus, 2012, IEEE/ASME Transactions on Mechatronics.

Mechanical Response of Embryonic Stem Cells Using Haptics-Enabled Atomic Force Microscopy

Jaydev P. Desai, Anand Pillarisetti, Carol Keefer, 2008, ISER.

An Error-In-Variables (EIV) based Bayesian probabilistic approach to estimating cell mechanical properties using Atomic Force Microscopy

C. Keefer, J. Desai, Lei Li, 2012, 2012 4th IEEE RAS & EMBS International Conference on Biomedical Robotics and Biomechatronics (BioRob).

Modulation of amino acid transport in preimplantation mouse embryos by low concentrations of non-ionic and zwitterionic detergents.

R. J. Tasca, C. Keefer, 1984, Journal of reproduction and fertility.

Expression of an OCT4 (POU5F1) Pseudogene in the Bovine Embryo Derived CT-1 Cell Line.

C. Keefer, A. Schiffmacher, 2008 .