1. CpG island methylation in gastroenterologic neoplasia: A maturing field 
Asif Rashid, Jean Pierre J. Issa 
Gastroenterology 
Volume 127, Issue 5, Pages (November 2004)
DOI: /j.gastro
Copyright © 2004 American Gastroenterological Association Terms and Conditions

2. Figure 1
Model of the DNA methylation-associated gene silencing loop in cancer. The cascade of events may start with DNA methylation triggering histone modifications or with histone H3 lysine-9 (K9) methylation triggering silencing, which then promotes DNA methylation.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2004 American Gastroenterological Association Terms and Conditions