somatic cell division 中文意思是什麼
somatic cell division
解釋
體細胞分裂-
Telomerase is a celler reverse transcriptase which catalyzes the synthesis and extension of telomeric dna. telomerase activation is not observed in normal tissues of somatic origin but in almost 90 % of human cancer, with the result the telomere shorten progressively with cell division and thus is a critical step for multistep carcinogenesis
正常人體細胞(非生殖細胞)中端粒酶活性的表達很低,或用目前的方法幾乎檢測不到,而在90以上的惡性腫瘤中可檢測到端粒酶活性,相應的良性腫瘤則為陰性或僅有少數陽性。
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