Výsledky vyhledávání - "Megan A. Mezera"

Akademický článek

Review: Maintenance of the ruminant corpus luteum during pregnancy: interferon-tau and beyond

Autor: Milo C. Wiltbank, Pedro L.J. Monteiro, Rafael R. Domingues, João Paulo N. Andrade, Megan A. Mezera

Publikováno v: Animal, Vol 17, Iss , Pp 100827- (2023)

This manuscript reviews the mechanisms that maintain the corpus luteum (CL) of pregnancy in ruminants. In mammals, ovulation and luteinization of the remaining cells in the CL are due to a surge in Luteinizing Hormone (LH). In cattle, continued secre

Externí odkaz: https://doaj.org/article/a1264da45469482595cbaef211f0376f

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Effect of route of administration of dinoprost tromethamine on plasma profiles of 13,14-dihydro-15-keto-prostaglandin F2α and progesterone in lactating Holstein cows

Autor: Milo C. Wiltbank, Paul M. Fricke, A.D. Beard, E.M. Cabrera, M.R. Lauber, Megan A Mezera

Publikováno v: JDS Communications. 2:421-425

Lutalyse HighCon (dinoprost tromethamine; Zoetis) has been approved for use both intramuscularly and subcutaneously in lactating dairy cows, although the effect of route of administration on circulating 13,14-dihydro-15-keto-prostaglandin F2α (PGFM)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::480aaf55c821ac134a8a1b3092b0d9e2
https://doi.org/10.3168/jdsc.2021-0142

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Effect of natural pre-luteolytic prostaglandin F2α pulses on the bovine luteal transcriptome during spontaneous luteal regression†

Autor: Lihe Liu, Rina Meidan, Milo C. Wiltbank, Wenli Li, Francisco Peñagaricano, Megan A Mezera

Publikováno v: Biology of Reproduction. 105:1016-1029

The pulsatile pattern of prostaglandin F2alpha (PGF) secretion during spontaneous luteolysis is well documented, with multiple pulses of exogenous PGF necessary to induce regression using physiologic concentrations of PGF. However, during spontaneous

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23a5fbcaa3a0c57f38f0531d22a2a5dc
https://doi.org/10.1093/biolre/ioab123

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Insights from two independent transcriptomic studies of the bovine corpus luteum during pregnancy

Autor: Camilla H K Hughes, Megan A Mezera, Milo C Wiltbank, Joy L Pate

Publikováno v: J Anim Sci

Several recent studies have used transcriptomics to investigate luteal changes during the maternal recognition of the pregnancy period in ruminants. Although these studies have contributed to our understanding of luteal function during early pregnanc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::749dc1422b487ecf1c6b7424c359246d
https://doi.org/10.1093/jas/skac115

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Pregnancy-induced changes in the transcriptome of the bovine corpus luteum during and after embryonic interferon-tau secretion†

Autor: Wenli Li, Megan A Mezera, Milo C. Wiltbank

Publikováno v: Biology of Reproduction.

Understanding luteal maintenance during early pregnancy is of substantial biological and practical importance. Characterizing effects of early pregnancy, however, has historically been confounded by use of controls with potential exposure to early Pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::614db3451f5ee895ae1685b5cd0f2054
https://doi.org/10.1093/biolre/ioab034

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PSII-28 Effect of route of administration of dinoprost tromethamine on serum profiles of PGFM and progesterone in lactating Holstein cows

Autor: Elisa M Cabrera, Milo C. Wiltbank, M.R. Lauber, Megan A Mezera, Adam D Beard, Paul M. Fricke

Publikováno v: J Anim Sci

Our objective was to compare serum profiles of 13,14-dihydro-15-keto-prostaglandin F2 alpha (PGFM) and circulating progesterone (P4) concentrations in lactating Holstein cows based on route of administration of dinoprost tromethamine administered 7 d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be6e7ea33aa85ef1f478670fe98ca863
https://europepmc.org/articles/PMC7703339/

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Physiological mechanisms involved in maintaining the corpus luteum during the first two months of pregnancy

Autor: J. N. Drum, Mateus Z. Toledo, Megan A Mezera, Roberto Sartori, Milo C. Wiltbank, Giovanni M. Baez, A. Garcia-Guerra

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Repositorio Digital UFPS
UNIVERSIDAD FRANCISCO DE PAULA SANTANDER
instacron:Universidad Francisco de Paula Santander

Maintenance of the corpus luteum (CL) during pregnancy is essential for continuing the elevated circulating progesterone (P4) that is required to maintain pregnancy. The mechanisms that protect the CL during early pregnancy when the non-pregnant anim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa21388723dd613d08ad77bad2460865
https://doi.org/10.21451/1984-3143-ar2018-0045

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Identification of stable genes in the corpus luteum of lactating Holstein cows in pregnancy and luteolysis: Implications for selection of reverse-transcription quantitative PCR reference genes

Autor: D.J. Koch, A.D. Beard, Wenli Li, Milo C. Wiltbank, A.J. Edwards, Megan A Mezera

Publikováno v: Journal of dairy science. 103(5)

In lactating dairy cattle, the corpus luteum (CL) is a dynamic endocrine tissue vital for pregnancy maintenance, fertility, and cyclicity. Understanding processes underlying luteal physiology is therefore necessary to increase reproductive efficiency

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4f52b37500fc87c48372e91a40bc6be
https://pubmed.ncbi.nlm.nih.gov/32229123

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Profiles of prostaglandin F2α metabolite in dairy cattle during luteal regression and pregnancy: implications for corpus luteum maintenance

Autor: Caleb S Hamm, Megan A Mezera, Alexandre B. Prata, Milo C. Wiltbank, Rodrigo S. Gennari, Roberto Sartori, Caio A Gamarra

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Mechanisms of bovine corpus luteum (CL) maintenance during the second month of pregnancy have not been adequately investigated, despite significant reproductive losses. In the first month, interferon-tau is believed to suppress oxytocin-stimulated pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::886ed392f8614684380a7efa8d1e5ce8

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Trio, a novel bovine high fecundity allele: III. Acquisition of dominance and ovulatory capacity at a smaller follicle size†

Autor: Megan A Mezera, Brian W. Kirkpatrick, A. Garcia-Guerra, Pedro L.J. Monteiro, Milo C. Wiltbank, Aurea M O Canavessi, Roberto Sartori

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The acquisition of dominance and ovulatory capacity was evaluated in follicles from cows that were carriers or half-sibling noncarriers of the Trio allele. Follicle size at acquisition of follicular dominance was determined by evaluating whether foll

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d10e6dc4eed62c6b282f14b46be8140

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