Fig. 4From: Irisin alleviates obesity-related spermatogenesis dysfunction via the regulation of the AMPKα signalling pathwayER stress and cell apoptosis were attenuated by irisin. A Protein level of ER stress related markers (n = 6). B TUNEL staining of mice testes (n = 5). C Protein levels of Bim and Bax in mouse testes (n = 6). D Testicular caspase 3 activity (n = 6). Data are presented as the mean ± SEM. *P < 0.05 vs. the matched controlBack to article page