Isolation, follicular density, and culture of preantral follicles of buffalo fetuses of different ages
Abstract
The aim of the present study was to determine the most desirable ovarian tissue section thickness to isolate preantral follicles (Experiment I), determine follicular density (follicles/mm(2) of cortex) of ovaries of fetal buffalo of different ages (Experiment II), and cultivate preantral follicles of buffalo fetuses (Experiment III). In Experiment I, ovary sections with different thicknesses (25, 50, 75, and 100 microm) had 415.0+/-285.2, 457.5+/-341.9, 585.0+/-309.3, and 685.0+/-278.8 isolated preantral follicles, respectively. In Experiment II, the follicular density of 46 buffalo fetuses with ages between 3 and 8 months was estimated to be between 0 and 7220, with means of 0.0, 2070.7+/-2190.3, 2570.8+/-1796.6, 2298.1+/-2286.5, 1277.5+/-1074.9, and 643.6+/-543.9 throughout the age range studied. The follicular density of 5-month-old fetuses was greatest, coinciding with the largest number of follicles isolated at this age. In Experiment III, preantral follicles isolated from the ovaries of buffalo fetuses aged from 5 to 9 months old were cultivated individually for 7 days in four different media: basic medium (Minimal Essential Medium (MEM), 10% SFB, kanamycin, pyruvate, glutamine, hypoxanthine) with additional ITS and FSH 0...Continue Reading
References
Quantitative study of the development of isolated mouse pre-antral follicles in collagen gel culture
Preservation of oocyte and granulosa cell morphology in bovine preantral follicles cultured in vitro
Effects of fetal bovine serum, FSH and 17beta-estradiol on the culture of bovine preantral follicles
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