Abstract
Diabetic kidney disease (DKD) is considered a chronic inflammatory renal disease induced by hyperglycemia. Therefore, even meticulous control of blood glucose levels cannot prevent the progression of DKD efficiently. Management of the inflammatory response could be one of the most promising strategies for treatment. We previously validated an imidazopyridine derivative (X22) as an active compound in suppressing lipopolysaccharide-induced inflammation. However, its potential for protection against DKD has not been exanimated. In the present study, streptozotocin-induced type 1 diabetic mice were used to study the effect of X22 on DKD associated inflammation and fibrosis by Q-PCR and immunoblotting assays. The results showed that X22 significantly inhibited the production of inflammatory cytokines (IL-6, TNF-α) and fibrosis biomarkers. At the same time, kidney function was dramatically improved. To elucidate the mechanism of action of X22, we examined its effects on the NRK-52E cell line. Strikingly, X22 restored the protein level of IKB-α and blocked the nuclear translocation of P65. Collectively, the data indicate that X22 can attenuate diabetic kidney dysfunction and inflammatory injury and may represent a potential agent for the treatment of DKD. It could be a potential agent for use in the treatment of DKD.
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