Results 111 to 120 of about 5,344 (205)

Insulin-like growth factor 2 is produced by antral follicles and promotes preantral follicle development in macaques†. [PDF]

Biol Reprod, 2021
Tkachenko OY, Wolf S, Lawson MS, Ting AY, Rodrigues JK, Xu F, Bishop CV, Stouffer RL, Xu J.   +8 more
europepmc   +1 more source

Growth and differentiation factor 9 promotes oocyte growth at the primary but not the early secondary stage in three-dimensional follicle culture

, 2016
PurposeFactors that differentially regulate oocyte and granulosa cell growth within the early preantral follicle and how these factors differ at each stage of follicle growth remain poorly understood. The aim of this study was to isolate and evaluate the
Su, H Irene, Cook-Andersen, Heidi, Curnow, Kirsten J, Chang, R Jeffrey, Shimasaki, Shunichi   +4 more
core   +1 more source

Vitrification affects the expression of matrix metalloproteinases and their tissue inhibitors of mouse ovarian tissue

Iranian Journal of Reproductive Medicine, 2016
Background: One of the most major obstacles of ovarian tissue vitrification is suboptimal developmental competence of follicles. Matrix metalloproteinases 2 (MMP-2) and 9 (MMP-9) and their tissue inhibitors TIMP-1 and TIMP-2 are involved in the ...
Reza Asadzadeh, Shima Khosravi, Saeed Zavareh, Mohammad Taghi Ghorbanian, Seyed Hassan Paylakhi, Seyed Reza Mohebbi   +5 more
doaj  

The stage-dependent inhibitory effect of porcine follicular cells on the development of preantral follicles

, 2014
The objective of this study was to examine the effects of follicular cells on the in vitro development of porcine preantral follicles. In Experiment 1, one preantral follicle alone (Trt 1) was cocultured with a follicle of the same size with oocytes (Trt
Hsu, H.F., Yen, S.C., Ju, J.C., 朱志成, Chiou, C.M., Wu, M.F., Huang, W.T., Cheng, S.P., Tsay, C., Liu, B.T.   +9 more
core   +1 more source

Morphological and quantitative evaluation of buffalo preantral follicles in different reproductive phases

, 2010
The objective of this research was to estimate the population of preantral follicles in prepubertal (P), adult (A) and pregnant (PR) female buffaloes, as well as to observe the different degeneration types and rates of preantral follicles. For this study,
Mota, Adriano Vitti, Oba, Eunice, Ramos, Alcides de Amorim, Carvalho, Fabíola Christian Almeida de, Camargos, Aline Sousa, Magalhaes, Luis Carlos Oña   +5 more
core   +3 more sources

Characterization of preantral follicle clustering and neighborhood patterns in the equine ovary.

. - Understanding the transition from quiescent primordial follicles to activated primary follicles is vital for characterizing ovarian folliculogenesis and improving assisted reproductive techniques. To date, no study has investigated preantral follicle
ALVES, K.A., ALVARENGA, P.B., GASTAL, G.D.A., GASTAL, M.O., ALVES, B.G., HYDE, K.A., AGUIAR, F.L.N., GASTAL, E.L., REZENDE, A.L.   +8 more
core  

Impact of imatinib or dasatinib coadministration on in vitro preantral follicle development and oocyte acquisition in cyclophosphamide-treated mice. [PDF]

Clin Exp Reprod Med, 2020
Hong YH, Kim SJ, Kim SK, Lee SC, Jun JH, Jee BC, Kim SH.   +6 more
europepmc   +1 more source

Fibrin Scaffold Incorporating Platelet Lysate Enhance Follicle Survival and Angiogenesis in Cryopreserved Preantral Follicle Transplantation. [PDF]

Galen Med J, 2020
Rajabzadeh A, Jahanpeyma F, Talebi A, Moradi F, Hamidieh AA, Eimani H.   +5 more
europepmc   +1 more source

AMH regulates granulosa cell function via ESR2/ p38-MAPK signaling pathway in sheep

Communications Biology
Anti-Müllerian Hormone (AMH), secreted by granulosa cells (GCs) of preantral follicles, regulates early-stage follicle growth by inhibiting the activation of primordial follicles.
Hui Xu, Yu Cai, Hua Yang, Chong Zhang, Wanru Liu, Binru Zhao, Feng Wang, Yanli Zhang   +7 more
doaj   +1 more source

Ovary stereological features and serum biochemical factors following induction of polycystic ovary syndrome with testosterone enanthate in mice: An experimental study

International Journal of Reproductive BioMedicine, 2018
Background: Polycystic ovary syndrome (PCOS) is an endocrine disorder featured by insulin resistance and hyperandrogenism. Testosterone enanthate can induce PCOS in mice models.
Zahra Kalhori, Malek Soleimani Mehranjani, Mehri Azadbakht, Mohammad Ali Shariaatzadeh   +3 more
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