unstable gene 中文意思是什麼
unstable gene
解釋
不穩定基因-
These included mutations in the sodium channel gene scn5a, preiously associated with lqts and other unstable heart rhythm conditions and sudden death
這其中包括鈉通道基因scn5a的突變，該基因以前發現與lqts 、其他不穩定心律失常以及猝死相關。 -
The absence of the fmr1 gene product, fragile x mental retardation protein ( fmrp ), is believed to be responsible for the typical physical and mental characteristics of the fragile x syndrome. alleles with between 43 and 200 cgg repeats are called permutation. they are generally unmethylated with normal transcript and protein level, but are extremely unstable during transmission to next generation
帶有前突變（ n = 43 200 ）的個體其fmr1基因通常不會甲基化，可以正常轉錄和翻譯產生fmrp ，故沒有臨床表型出現，但是，在向下一代傳遞的過程中卻是非常不穩定的，會從前突變擴增成為全突變。
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