...达了某些致癌基因( 如 Ras/Raf/MEK/ERK 信号级联通路上的一些活性元 件)或染色体结构发生变化,如端粒缩短(telomere shortening),也会衰老 [13-16] .2 细胞衰老涉及信号传导的过程 现有多种关于人类细胞衰老分子机制的假说, 如氧化性损伤、端粒长度、...
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C can slow the rate of telomere shortening.
同时能减缓端粒缩短的速率。
The new finding is exciting because, he says, "it means that telomere shortening is not inevitable."
他说,这个新发现令人兴奋,因为“它意味着,端粒缩短不是必然的。”
But there is evidence that a significant amount of telomere shortening occurs during early childhood.
但有证据表明,大量的端粒缩短发生在童年早期。
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