Insulin-like growth factor-1 (IGF-1) promotes primordial follicle growth and reduces DNA fragmentation through the phosphatidylinositol 3-kinase/protein kinase B …

MÉS Bezerra, RS Barberino, VG Menezes… - Reproduction …, 2018 - CSIRO Publishing
We investigated the effects of insulin-like growth factor 1 (IGF-1) on the morphology and
follicular activation of ovine preantral follicles cultured in situ and whether the …

Expression of protein and mRNA encoding Insulin Growth Factor-I (IGF-I) in goat ovarian follicles and the influence of IGF-I on in vitro development and survival of …

FS Martins, MVA Saraiva… - Animal …, 2018 - animal-reproduction.org
The aim of this study was to investigate the protein and mRNA expression levels of IGF-I and
the effects of IGF-I on preantral follicle survival and development, using an in vitro goat …

The effects of IGF-I on bovine follicle development and IGFBP-2 expression are dose and stage dependent

KA Walters, JP Binnie, BK Campbell… - …, 2006 - rep.bioscientifica.com
This study aimed to determine the effect of insulin-like growth factor-I (IGF-I) on early antral
bovine follicular development, and the expression of insulin-like growth factor-binding …

The insulin‐like growth factor system: A key determinant role in the growth and selection of ovarian follicles? A comparative species study

S Mazerbourg, CA Bondy, J Zhou… - … in Domestic Animals, 2003 - Wiley Online Library
Contents The aim of the present paper is to make a comparative study of the expression of
the elements of the insulin‐like growth factor (IGF) system in different mammalian species …

Effects of IGF‐1 on In Vitro Culture of Bovine Preantral Follicles are Dose‐Dependent

CR Jimenez, JL De Azevedo… - … in Domestic Animals, 2016 - Wiley Online Library
Contents This study aimed at assessing the effect of different concentrations of the growth
factor similar to insulin 1 (IGF‐1) in the development, survival and ultrastructure of the bovine …

Effects of IGF-I bioavailability on bovine preantral follicular development in vitro

FH Thomas, BK Campbell, DG Armstrong… - …, 2007 - rep.bioscientifica.com
The aim of this study was to determine the effect of regulation of IGF-I bioavailability on
preantral follicle development in vitro. Bovine preantral follicles were cultured for 6 days in …

[PDF][PDF] Insulin-like growth factor (IGF) system in the oocyte and somatic cells of bovine preantral follicles

DG Armstrong, G Baxter, CO Hogg, KJ Woad - REPRODUCTION …, 2002 - Citeseer
The insulin-like growth factor (IGF) system is an essential component of the intraovarian
mechanisms involved in the regulation of follicle growth and corpus luteum function …

[HTML][HTML] Steady-state level of insulin-like growth factor-I (IGF-I) receptor mRNA and the effect of IGF-I on the in vitro culture of caprine preantral follicles

DM Magalhães-Padilha, ABG Duarte, VR Araújo… - Theriogenology, 2012 - Elsevier
The objectives were to quantify insulin-like growth factor receptor-1 (IGFR-1) mRNA in
preantral follicles on Days 0 and 18 of in vitro culture in the presence or absence of FSH …

In vivo oocyte IGF-1 priming increases inner cell mass proliferation of in vitro-formed bovine blastocysts

MA Velazquez, KG Hadeler, D Herrmann, WA Kues… - Theriogenology, 2012 - Elsevier
Studies addressing the effects of supraphysiological levels of IGF-1 on oocyte
developmental competence are relevant for unravelling conditions resulting in high …

[PDF][PDF] Insulin-like growth factor 1 promotes cumulus cell expansion and nuclear maturation of oocytes via Pi3K/Akt pathway

Y Li, Q Liu, Q Chen, X Yan, N Li - Int J Clin Exp Pathol, 2016 - e-century.us
Oocyte maturation is critical for successful fertilization and pregnancy. The mechanism
underlying the control of this complex process remain relatively unknown, and even more so …