Among cadherins, only E-cadherin (CDH1) and N-cadherin (CDH2) concentrations in the endometrial tissue were investigated; decreased concentrations of E-cadherin and increased concentrations of N-cadherin coexisted with higher endometrial cell invasiveness and the ability to migrate in patients with diagnosed endometriosis [37,51]. This evidence concerns the gene CDH1 and endometriosis.