Journal
APOPTOSIS
Volume 13, Issue 9, Pages 1065-1087Publisher
SPRINGER
DOI: 10.1007/s10495-008-0238-1
Keywords
Granulosa cell; Follicular fluid; Follicular atresia; Apoptosis; Caspases; Premature ovarian failure; Autophagy; Neo-oogenesis; Gap junctions
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Funding
- BOF [01P05807]
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The vertebrate ovary is an extremely dynamic organ in which excessive or defective follicles are rapidly and effectively eliminated early in ontogeny and thereafter continuously throughout reproductive life. More than 99% of follicles disappear, primarily due to apoptosis of granulosa cells, and only a minute fraction of the surviving follicles Successfully complete the path to ovulation. The balance between signals for cell death and survival determines the destiny of the follicles. An abnormally high rate of cell death followed by atresia can negatively affect fertility and eventually lead irreversibly to premature ovarian failure. In this review we provide a short overview of the role of programmed cell death in prenatal differentiation of the primordial germ cells and in postnatal folliculogenesis. We also discuss the issue of neo-oogenesis. Next, we highlight molecules involved in regulation of granulosa cell apoptosis. We further discuss the potential use of scores for apoptosis in granulosa cells and
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