[HTML][HTML] Regulation of progesterone during follicular development by FSH and LH in sheep

Z Ding, H Duan, W Ge, J Lv, J Zeng, W Wang… - Animal …, 2022 - SciELO Brasil
Progesterone (P4) can participate in the development of female mammalian antral follicles
through nuclear receptor (PGR). In this experiment, the differences of P4 synthesis and PGR …

Effects of testosterone and 2-hydroxyflutamide on progesterone receptor expression in porcine ovarian follicles in vitro

M Duda, M Durlej-Grzesiak, Z Tabarowski… - reproductive …, 2012 - Elsevier
The purpose of the study was to test the possible role of the androgen receptor (AR) agonist
(testosterone; T), an AR antagonist (2-hydroxyflutamide; 2-Hf) or combination of both (T+ 2 …

Follicle‐stimulating hormone and luteinizing hormone regulate the synthesis mechanism of dihydrotestosterone in sheep granulosa cells

H Duan, L Xiao, W Ge, S Yang, Y Jiang… - … in Domestic Animals, 2021 - Wiley Online Library
Steroid hormones and receptors play important roles in female reproduction, and their
expression patterns affect follicular growth and development. To examine the expression of …

Early preantral follicles of the domestic cat express gonadotropin and sex steroid signaling potential

S Kehoe, K Jewgenow, PR Johnston… - Biology of …, 2022 - academic.oup.com
Key biomolecular processes, which regulate primordial ovarian follicle dormancy and early
folliculogenesis in mammalian ovaries, are not fully understood. The domestic cat is a useful …

Onset of steroidogenic enzyme gene expression during ovarian follicular development in sheep

KA Logan, JL Juengel, KP McNatty - Biology of Reproduction, 2002 - academic.oup.com
Steroidogenesis is a major function of the developing follicle. However, little is known about
the stage of onset of steroid regulatory proteins during follicular development in sheep. In …

Androgen receptor and follicle‐stimulating hormone receptor in the pig ovary during the follicular phase of the estrous cycle

H Cardenas, WF Pope - Molecular Reproduction and …, 2002 - Wiley Online Library
Follicle‐stimulating hormone (FSH) is an important regulator of follicular development. Some
effects of FSH on ovarian follicles might be enhanced by androgens. The main objectives of …

Pituitary porcine FSH, and recombinant bovine and human FSH differentially affect growth and relative abundances of mRNA transcripts of preantral and early …

ACA Ferreira, NAR Sá, J Cadenas, HHV Correia… - Animal reproduction …, 2020 - Elsevier
Three different sources of FSH (porcine pituitary, pFSH; recombinant bovine, rbFSH; and
recombinant human, rhFSH) were compared during in vitro culture of preantral and early …

Seasonal changes in bovine fertility: relation to developmental competence of oocytes, membrane properties and fatty acid composition of follicles

Y Zeron, A Ocheretny, O Kedar, A Borochov… - …, 2001 - rep.bioscientifica.com
Survival and inhibitory factors regulate steroidogenesis and determine the fate of developing
follicles. The objective of this study was to determine the role of transforming growth factor …

Testosterone stimulates progesterone production and STAR, P450 cholesterol side-chain cleavage and LH receptor mRNAs expression in hen (Gallus domesticus) …

PL Rangel, A Rodríguez, S Rojas, PJ Sharp… - …, 2009 - rep.bioscientifica.com
The chicken ovary is organized into a hierarchy of yellow yolky follicles that ovulate on
successive days. Active or passive immunization of laying hens against testosterone blocks …

Effect of chronic FSH administration on ovarian follicular development, ovulation rate and corpora lutea formation in sheep

KP McNatty, NL Hudson, DA Heath… - Journal of …, 1993 - joe.bioscientifica.com
This study in ewes examined the effects on ovarian function of a pulsatile regimen of ovine
FSH (NIADDK-oFSH-17) administered over a 24-to 28-day period beginning on day 1 of the …