hypermethylation is a risk factor of diabetic retinopathy in Chinese children with type 1 diabetes.

Aim: To identify the differential methylation sites (DMS) and their according genes associated with diabetic retinopathy (DR) development in type 1 diabetes (T1DM) children.

Methods: This study consists of two surveys. A total of 40 T1DM children was included in the first survey.