释义 |
pfeifer 基本例句 普法伊费尔 Pfeifer wrote in Science that cigarette smoke causes changes in the gene p53,which protects against cancer when normal but promotes cancer growth when mutated.普法伊费尔在《科学》杂志上写道,吸烟使p53基因发生改变,这种基因在正常情况下起着防癌的作用,但在发生突变时,就会加快癌症的发展。 But a study earlier this year by Gerd Pfeifer of the Beckman Research Institute pinpointed specific carcinogens in cigarette smoke that target parts of a gene already known to be prominent in some cancers.而今年早些时候,贝克曼研究所的格尔德·普法伊费尔所作的一项研究确切地指出了卷烟烟雾中固有的致癌物,这些致癌物袭击的目标是一种基因的某些部分,人们已经发现,这种基因在一些癌症中很突出。 |