About half of all melanoma patients have a mutated BRAF gene. This mutation tells the cell to continue to grow.
将近半数的黑色素瘤患者都有BRAF基因突变，从而导致黑色素肿瘤细胞继续生长。
But you do not forget that half of the Chinese people with the mutation of aldehyde dehydrogenase.
可您别忘了，中国人一半带有突变的乙醛脱氢酶。
In aggressive gliomas, extra copies of the EGFR gene are produced, and half of such tumors also carry an EGFR mutation, which ramps up tumor growth and portends a poor prognosis.
在侵袭性脑胶质瘤中，表皮生长因子受体基因拷贝数更高，而且一半的侵袭性脑胶质瘤伴有一个GEFR突变。这个突变增加了肿瘤的生长，伴随一个糟糕的预后效果。
Ying-Hui Fu: When these people have this mutation, their sleep amount is less. Normal people need eight to eight-and-a-half hours of sleep. These people sleep five and a half to six.
傅颖慧：当这些人有这种基因变化时，他们的睡眠量较少。一般人需要八到八个半小时的睡眠，而这些人只需要睡五个半到六个小时。
Ying-Hui Fu: When these people have this mutation, their sleep amount is less. Normal people need eight to eight-and-a-half hours of sleep. These people sleep five and a half to six.
傅颖慧：当这些人有这种基因变化时，他们的睡眠量较少。一般人需要八到八个半小时的睡眠，而这些人只需要睡五个半到六个小时。
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