甘德森及其同事对940名女性进行了研究，这些女性都参加过波士顿哈佛医学院的产前及产后健康研究。
Gunderson and colleagues studied 940 women taking part in a study of prenatal and postnatal health at Harvard Medical School in Boston.
甘德森说：“那些增加的细胞核至少还会存在三个月——对于平均寿命只有两年的老鼠而言，可算是很长的一段时间了。”
The extra nuclei stick around for at least three months -- a long time for a mouse, which lives a couple of years on average, Gundersen says.
甘德森的小组检查了老化肌肉中的细胞个体，发现虽然的确有一些细胞死亡，但另一些细胞却没有完全死去，肌肉纤维或增加的细胞核也没有消失。
Gunderson's team examined individual cells in the wasting muscles and found that there is apoptosis going on, but that other cells are dying, not the muscle fibers or their extra nuclei.
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