SET protein up-regulated testosterone production in the cultured preantral follicles

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SET protein up-regulated testosterone production in the cultured preantral follicles

BACKGROUND We found previously that the expression of SET gene was up-regulated in polycystic ovaries. Evidences suggested that SET protein was essential for regulating both the promoter activity of CYP17A1 and the biological activity of P450c17. In this study, we explored whether SET regulated androgen production in preantral follicles. METHODS The mouse preantral follicles were cultured in ...

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P-36: The Effect of Lipoic Acid on Developmental Competence of Cultured Isolated Mouse Preantral Follicles

Background: α-Lipoic acid (LA) is a cofactor in mitochondrial multienzyme complexes and is well-known for its antioxidant properties in both of in vivo and in vitro condition. Materials and Methods: Preantral follicles were isolated from 2 weeks old NMRI mice ovaries. LA at concentrations of 0 and 100 μM was supplemented to culture media (α-MEM medium supplemented with 5% FBS, 100 mlU/ml FSH, 1...

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Phytohemagglutinin improves the development and ultrastructure of in vitro-cultured goat (Capra hircus) preantral follicles

The objective this study was to determine the effect of phytohemagglutinin (PHA) on survival, growth and gene expression in caprine secondary follicles cultured in vitro. Secondary follicles (∼0.2 mm) were isolated from the cortex of caprine ovaries and cultured individually for 6 days in α-MEM+ supplemented with PHA (0, 1, 10, 50, 100, or 200 µg/mL). After 6 days of culture, follicle diameter ...

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In vitro culture of goat preantral follicles

Background: The majority of thousands of oocytes in the ovaries are small, non-growing and reside in preantral follicles (PFs). The development of a culture system for preantral follicle may be very useful for understanding the complex mechanism in folliculogenesis at early stages of development as wells as could offer a significant way for the propagation of livestock, including goats. This pa...

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In vitro culture of bovine preantral follicles.

Bovine preantral follicles (40-100 microm diameter at collection) were collected from ovaries of slaughtered cows and cultured in vitro with one of the four treatments: follicle stimulating hormone (FSH; 100 ng/ml) alone; FSH plus epidermal growth factor (EGF; 100 ng/ml); FSH plus insulin-transferrin-selenium (ITS; +1%) or FSH plus hypoxanthine (4 mM) in tissue culture medium (TCM 199) suppleme...

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ژورنال

عنوان ژورنال: Reproductive Biology and Endocrinology

سال: 2013

ISSN: 1477-7827

DOI: 10.1186/1477-7827-11-9