SOD2 and psoriasis: Given the crucial role OS plays in the progression of psoriasis by causing persistent skin inflammation and the vicious loop between OS and inflammation (Wu et al., 2020), (Duryee et al., 2021), we examined and compared the levels and localization of mitochondrial Cyt-C and mnSOD in lesion tissues from different groups using Western blotting and immunohistochemical tests.