Three of the (genes) were involved in modifying proteins called histones, which help package DNA into chromosomes and are (critical) to the functioning of cells, they reported in the journal Nature. "Even in this clearest of cases, we see evidence for (substantial) genetic heterogeneity," said Andy Futreal, co-leader of the Cancer Genome Project at the Wellcome Trust Sanger Institute in Cambridge. While (none) of the new mutations accounted for more than 5 percent of cancer cases, the discovery should ultimately help in (diagnosis) and better selection of treatments for patients.
相关阅读:
医学英语口语课程
医学英语水平免费测试