CDH1 and cyst: However, our RT-qPCR analysis did not detect significant differences in the expression of transcripts encoding proteins of basic testis adhesion complexes, E-cadherin (E-cad), arm (armadillo, β-catenin in Drosophila), and β-integrin, in the testes with RNAi belKD in cyst cells compared to the control (Figure S4A).