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惊!果蝇早期中肠干细胞异常竟成衰老 “预警器”,揭秘背后分子机制
在神奇的微观生物世界里,果蝇(Drosophila)作为一种常见的实验动物,正悄然为我们揭开衰老奥秘的一角。在果蝇的身体中,中肠(midgut)干细胞的变化与衰老和肿瘤的发生密切相关。一直以来,人们都知道干细胞积累和突变引发的肿瘤是果蝇中肠衰老的两个 ...
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