Abstract
Purpose of Review
The purpose of this study is to systematically review studies conducted between April 2015 and April 2017 for the genetic risks for the development of atopic dermatitis (AD). We sought to identify (1) specific loci and genes associated with AD, (2) the proportion of studies for each gene, and (3) genetic risks that need further investigation.
Recent Findings
Studies have found that genetic predisposition and environmental triggers are involved in the pathogenesis of AD. Thirty-four loci and 46 genes have been identified as genetic risk factors, of which filaggrin gene null mutations and genes in the type 2 T-helper lymphocyte (Th2) signaling pathway have been the most extensively studied.
Summary
Our systematic review found that in the last 2 years, 46 loci and 53 genes have been studied in the development of AD. Genes involved in epidermal barrier, immune regulation, and intracellular functions were identified. We suggest that future research should investigate the intricate interaction of these genes as well as the complex interplay of genetic and environmental factors in the development of AD.
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