Sex-specific differences in fetal germ cell apoptosis induced by ionizing radiation

Abstract excerpt

BACKGROUND: We have previously shown that male human fetal germ cells are highly radiosensitive and that their death depends on p53 activation. Male germ cell apoptosis was initiated with doses as low as 0.1 Gy and was prevented by pifithrin alpha, a p53 inhibitor. In this study, we investigated the radiosensitivity of early female and male fetal proliferating germ cells. METHODS AND RESULTS: Both male and female...

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