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. 2020 Jan 20;12(2):1272–1284. doi: 10.18632/aging.102682

Figure 7.

Figure 7

FOXO4-DRI improves the testicular microenvironment in naturally aged mice. (A) SA-β-gal assay showing that FOXO4-DRI treatment decreases SA-β-gal activity in the testicular interstitium in aged mice. Scale bar: 200 μm. (B–E) Western blots revealing FOXO4-DRI decreases levels of the senescence-associated proteins p53, p21 and p16 in testes of aged mice. (F–L) Western blots revealing that FOXO4-DRI decreases levels of the SASP factors IL-1β, IL-6 and TGF-β in testes of aged mice, but has no effect on testicular levels of IL-1α, IL-10 and TNF-α. Data depict the mean ± SD. n=6. *P<0.05. NS, nonsignificant.