Figure 4

IL-6 can directly disrupt spermatogenesis by inhibiting the expression of Zfp637 in obese individuals.
(A,B) Cell morphology and expression of protamine 1 in GC-1 spg cells transfected with pcDNA-Zfp637 and pcDNA-Vector, respectively, after a 24-h treatment with IL-6. (C,D) Cell morphology and expression of protamine 1 in GC-1 spg cells transfected with siRNA-Zfp637 and si-NC, respectively, after a 24-h treatment with IL-6.