Cells co-expressing Vasa and Yan, another early-stage cyst cell marker, were also observed in 10% of Tj>Tip60 RNAi (N = 60, Fig 7H–7H”) and 29% of Tj>Tip60E431Q (N = 38, Fig 7J–7J”) testes, respectively. This evidence concerns the gene KAT5 and cyst.