Reducing CYP51 inhibits FSH-induced resumption of mouse oocyte meiosis in vitro
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Effect of Β-Mercaptoethanolon Resumption of Meiosis, in Vitro Maturation and Development of Immature Mouse Oocyte Treated With Dehp (Di-(2-Ethylhexy) Phathalae)
Purpose: The aim of this study was evaluated the effect of β -mercaptoethanol on resumption of meiosis, In vivo maturation of immature mouse oocytes treated with DEHP and embryo development. Materials and Methods: NMRI mouse strain (4-6 weeks) were treated daily with 50,µI DEHP Group 1: 121 immature oocytes were matured in MEM-α medium contain FCS 5%, hCG 7.5 IU/ml, rFsH 100mIU/ml, Group 2: 12...
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Purpose: The purpose of this study was to evaluate the effect of fibroblastic growth factor on resumption of meiosis, in vitro maturation of immature mouse oocytes and resulting embryo development with and without basic fibroblastic growth factor-4 (bFGF-4). Materials and Methods: cumulus – oocyte complex (COCs) and germinal vesicle (GV) were obtained from female NMRI mice 46-48 hours after adm...
متن کاملLuteinizing hormone receptors expression in cumulus cells closely related to mouse oocyte meiotic maturation.
In the process of oocyte maturation, gonadotrophins are believed as main stimulators for oocyte meiosis resumption. However, which gonadotrophin (i.e. FSH or LH) is the key hormone in this process is still unknown. This study indicated a close relationship between LH and FSH on activating meiotic maturation of oocyte in vitro. FSH efficiently induced oocyte meiosis at concentration of 50 IU/L, ...
متن کاملFSH Modulates PKAI and GPR3 Activities in Mouse Oocyte of COC in a Gap Junctional Communication (GJC)-Dependent Manner to Initiate Meiotic Resumption
Many studies have shown that cyclic adenosine-5'-monophosphate (cAMP)-dependent protein kinase A (PKA) and G-protein-coupled receptor 3 (GPR3) are crucial for controlling meiotic arrest in oocytes. However, it is unclear how gonadotropins modulate these factors to regulate oocyte maturation, especially by gap junctional communication (GJC). Using an in vitro meiosis-arrested mouse cumulus-oocyt...
متن کاملDose-dependent effects of Gundelia Tournefortii root extract on meiosis resumption and in vitro maturation in mouse immature oocytes
Background & Aim: Oocytes in vitro maturation is an enormously promising technology for the treatment of infertility, yet its clinical application remains limited owing to poor success rates. Therefore this study was designed to determine the effect of Gundelia Tournefortii root hydro alcoholic extract as a source of antioxidant on in vitro oocyte maturation. Experimental: In this stu...
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تاریخ انتشار 2009