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Proximal tubular epithelial specific transcriptomics of diabetic mice treated with dapagliflozin

ABSTRACT: We show the proximal tubular specific pathway analysis demonstrating the downregulation of oxidative phosphorylation in dapagliflozin treated db/db mice, a type 2 diabetic model. After 8-week treatment of dapagliflozin for db/db mice having proximal tubule specific tdTomato reporter, tdTomato-positive cells were isolated by FACS. Pathway analysis of RNA sequence of isolated tubular epithelia revealed that oxidative phosphorylation was downregulated in dapagliflozin-treated mice. However, depletion of renal tissue ATP content in db/db mice was ameliorated by dapagliflozin administration. Pimonidazole staining demonstrated that renal cortical tissue hypoxia was noted in db/db mice, which was improved by dapagliflozin administration. These findings suggest that dapagliflozin can ameliorated the excessive oxygen and ATP consumption and subsequent tissue hypoxia in diabetic kidney, which may explain, in part, the responsible mechanisms of renoprotecitive effect by dapagliflozin.

ORGANISM(S): Mus musculus

PROVIDER: GSE185801 | GEO | 2022/09/28

REPOSITORIES: GEO

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