TY - JOUR AB - To the Editor: Herman and Baylin (Nov. 20 issue)1 provide an excellent review of gene silencing in cancer in association with promoter hypermethylation. However, some readers who are new to the field will be confused by the introductory section of their article — in particular, the authors' explanation of the term “epigenetic,” which suggests that this term describes “a heritable change in the pattern of gene expression.” In fact, in this context, promoter hypermethylation is a somatic event, and although it may be passed on to daughter somatic cells, it is not heritable in the germ line. Although it is . . . TI - Gene Silencing JF - The New England Journal of Medicine DO - 10.1056/NEJM200402263500920 DA - 2004-02-26 UR - https://www.deepdyve.com/lp/the-new-england-journal-of-medicine/gene-silencing-pbAkQv46wn SP - 947 EP - 948 VL - 350 IS - 9 DP - DeepDyve ER -