Výsledky vyhledávání

Embryo Manipulations, Test-Tube Fertilization, and Gene Transfer: Looking into the Crystal Ball

Autor: N. L. First, G.D. Ball, R.W. Lenz, Roy L. Ax

Publikováno v: Dairy Science Handbook ISBN: 9780429049361

The quality of animals has improved due to better management and genetic selection. The use of artificial insemination has contributed significantly to the genetic improvement of farm animals. Nuclear transfer probably holds more promise for obtainin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c569eb4fc4e99d6c8924ff6075f16da5
https://doi.org/10.1201/9780429049361-21

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Akademický článek

Sperm Metabolism.

Autor: Abruzzese GA; Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain., Sanchez-Rodriguez A; Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain., Roldan ERS; Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, Spain.

Publikováno v: Molecular reproduction and development [Mol Reprod Dev] 2024 Oct; Vol. 91 (10), pp. e23772.

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Akademický článek

David Garbers and the Birth of cAMP Biology in Mammalian Sperm.

Autor: Visconti PE; Department of Veterinary and Animal Science, University of Massachusetts, Amherst, Massachusetts, USA., Levin LR; Department of Pharmacology, Weill Cornell Medicine, New York, New York, USA., Buck J; Department of Pharmacology, Weill Cornell Medicine, New York, New York, USA.

Publikováno v: Molecular reproduction and development [Mol Reprod Dev] 2024 Oct; Vol. 91 (10), pp. e23773.

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A combination of EGF and IGF-I accelerates the progression of meiosis in bovine follicular oocytes in vitro and fetal calf serum neutrali zes the acceleration effect

Autor: N. L. First, Takashi Nagai, Tanja Dominko, M.L. Leibfried-Rutledge, M. Sakaguchi

Publikováno v: Theriogenology. 54:1327-1342

The effects of a combination of EGF and IGF-I (GFs) on the progress of meiosis and on their developmental competence were examined in cumulus-enclosed bovine oocytes. Exposure to GFs in serum-free, 0.3% PVP-containing maturation medium significantly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fbb24653d1f8cbacd6cd13b74e5524e
https://doi.org/10.1016/s0093-691x(00)00439-8

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Checkpoint control of the G2/M phase transition during the first mitotic cycle in mammalian eggs

Autor: J, Fulka, N L, First, J, Fulka1, R M, Moor

Publikováno v: Human Reproduction. 14:1582-1587

The high incidence of chromosomally abnormal human embryos is frequently assumed to be due to a lack of checkpoint controls operating during early embryogenesis. In our study we have analysed when these mechanisms first become functional. Mouse oocyt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8237e7f4a34f9341325239f563d2e29d
https://doi.org/10.1093/humrep/14.6.1582

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Aspects of follicle and oocyte stage that affect in vitro maturation and development of bovine oocytes

Autor: T.M. Arlotto, N. L. First, J L Schwartz, M.L. Leibfried-Rutledge

Publikováno v: Theriogenology. 45:943-956

Success of in vitro maturation (IVM) and production of bovine embryos as related to aspects of follicle source and oocyte size were evaluated. First, it was determined that bovine oocytes continue growing in all follicular sizes studied, including >1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d116a22424b714346a3506570b6367ed
https://doi.org/10.1016/0093-691x(96)00024-6

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Activation of murine oocytes with Ca2+ ionophore and cycloheximide

Autor: M. L. Leibfried Rutledge, N. L. First, L. J. Hagemann, F. L. Hillery-Weinhold

Publikováno v: Journal of Experimental Zoology. 271:57-61

A Ca2+ ionophore (A23187, 3 microM) and inhibitor of protein synthesis (cycloheximide, 10 micrograms/ml) were used sequentially as a unique method for activating mouse oocytes in vitro. Brief exposure of oocytes to A23187 followed by 6 hr in cyclohex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e00f1ddcba13dc7921e09a091d48df9d
https://doi.org/10.1002/jez.1402710107

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