Effects of leptin on the follicular development and mitochondrial activity of ovine isolated early antral follicles cultured in vitro

VG Menezes, APO Monte, BB Gouveia, T Lins… - Theriogenology, 2019 - Elsevier
This study evaluated the effect of leptin on the in vitro culture of isolated sheep early antral
follicles. Early antral follicles (300–450 μm) were isolated and cultured for 12 days in tissue …

Effect of leptin on in vitro development of ovine preantral ovarian follicles

P Kamalamma, SSR Kona, VP Chakravarthi… - Theriogenology, 2016 - Elsevier
The influence of human or ovine leptin on in vitro culture of preantral follicles (PFs) isolated
from sheep ovaries was investigated. Among the 12 different concentrations (0–1000 ng/mL) …

Effect of reduced water intake on ovarian reserve, leptin immunoexpression and impact of leptin on the in vitro culture of sheep secondary follicles

VG Menezes, APO do Monte… - Animal Reproduction …, 2023 - Elsevier
This study evaluated the effect of reduced water intake on survival, apoptosis and
immunoexpression of leptin in sheep preantral follicles, activation of primordial follicles …

Leptin induced in vitro development of ovarian follicles in sheep is related to the expression of P450 aromatase and steroidogenesis

PA Kumar, AVN Sivakumar, D Pathipati… - Theriogenology, 2019 - Elsevier
The objective of this study was to test the hypothesis that Leptin induced in vitro growth in
preantral follicles in sheep involves modulation of P450 aromatase expression and …

[PDF][PDF] Estrus cycle-dependent action of leptin on basal and GH or IGF-I stimulated steroid secretion by whole porcine follicles

EL Gregoraszczuk, A Ptak, AK Wojtowicz, T Gorska… - Endocrine regulations, 2004 - sav.sk
Objective. To determine the levels of leptin in the follicular fluid and using culture of whole
ovarian follicles, to test the hypothesis that leptin may directly influence GH and IG-I …

Immunolocalization of leptin and its receptor in the sheep ovary and in vitro effect of leptin on follicular development and oocyte maturation

TJS Macedo, JMS Santos, MÉS Bezerra… - Molecular and cellular …, 2019 - Elsevier
The aims of the study were to characterize leptin and it is receptor (LEPR) proteins
immunoexpression in ovine ovaries and to evaluate the effects of leptin on development of …

Effect of Leptin on In Vivo Goat Embryo Production

AM Batista, WA Gomes, CCD Carvalho… - … in domestic animals, 2014 - Wiley Online Library
Contents The aim of this study was to evaluate the effect of leptin administration during
superovulation on in vivo goat embryo production. Ten mature does were superovulated …

[PDF][PDF] Effect of leptin on in-vitro maturation of oocytes and on early embryonic development in buffaloes

B SINGH, S PRASAD, HP Gupta - The Indian Journal of Animal …, 2012 - acspublisher.com
The present study was aimed to assess the physiological function of Leptin on in-vitro
maturation of oocytesand early embryonic development to increase the efficiency of in …

[PDF][PDF] In vitro effect of leptin on steroids' secretion by FSH-and LH-treated porcine small, medium and large preovulatory follicles

EL Gregoraszczuk, AK Wójtowicz, A Ptak, K Nowak - Reprod Biol, 2003 - academia.edu
The role of exogenous leptin in the follicular steroidogenesis in pigs has not been fully
elucidated and available data are controversial. In the current study porcine follicles were …

Leptin supplementation stimulates synergism with growth factors and hormones to express its receptor in cultured preantral follicles of sheep

KS Pragna, VP Chakravarthi, D Pathipati… - Indian Journal of …, 2021 - indianjournals.com
Background Leptin receptor is a transmembrane receptor that regulates reproduction at
molecular level. Since for action of any hormone on target cell and to have local action on …