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Fig. 1 | Reproductive Biology and Endocrinology

Fig. 1

From: Irisin alleviates obesity-related spermatogenesis dysfunction via the regulation of the AMPKα signalling pathway

Fig. 1

Irisin expression is downregulated by obesity. A The serum irisin levels of obese and control humans (Con: n = 10; Obesity: n = 9). B Correlation between sperm count and plasma irisin level (Con: n = 10; Obesity: n = 9). C Correlation between progressive sperm rate and plasma irisin level (Con: n = 10; Obesity: n = 9). D Serum irisin level of HFD mice and ND mice (n = 6). E FNDC5 expression in the testes of HFD mice and ND mice (n = 6). Data are presented as the mean ± SEM. *P < 0.05 vs. the matched control

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