Apoptosis occurs in granulosa cells but not cumulus cells in the atretic antral follicles in pig ovaries - Cellular and Molecular Life Sciences
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ID: 268362
1970
The porcine antral follicles, 3–6 mm in diameter, were dissected from the ovaries of mature pigs, and then granulosa and cumulus cells were isolated from each follicle. In atretic follicles, high activity of neutral Ca2+/Mg2+-dependent endonuclease and DNA ladder formation, estimated by electrophoresis, were noted in granulosa cells but not in cumulus cells. Extremely low activity of the endonuclease and no DNA ladder formation were observed in both types of cells obtained from healthy follicles. Moreover, apoptotic cells were observed histochemically among granulosa cells only. A good correlation (r=0.987) between the endonuclease activity of granulosa cells and the progesterone/estradiol ratio of follicular fluid in each follicle was found. These results suggest that apoptosis occurs in granulosa cells but not cumulus cells in the atretic antral follicles in pigs.
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manabe1970experientiaapoptosis
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| Authors | N. Manabe;Y. Imai;H. Ohno;Y. Takahagi;M. Sugimoto;H. Miyamoto;N. Manabe;Y. Imai;H. Ohno;Y. Takahagi;M. Sugimoto;H. Miyamoto; |
| Journal | Experientia |
| Year | 1970 |
| DOI | doi:10.1007/BF01925566 |
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