STRA8 and Infertility: The Gene Ontology (GO) analysis of the DEGs showed that the genes participating in the Biological Processes (BP) involved in meiosis, such as DNA replication, DNA repair, and DNA recombination, were significantly downregulated (Fig. 5B), which was consistent with the infertility phenotype of the Stra8-cre; Foxj2tg/tg males with reduced spermatocytes in the seminiferous tubules.