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Chinese Pharmacological Bulletin ; (12): 1938-1943, 2023.
Artículo en Chino | WPRIM | ID: wpr-1013687

RESUMEN

Aim To investigate the effeots of empagliflozin on kidney tissue and autophagy-lysosome pathway in diabetio kidney disease (DKD) mice. Methods The db/m group as the control group, the db/db mice were randomly divided into the model group and empagliflozin group. After 8 weeks of administration, the levels of 24 h urine protein (24 h-UTP), fasting blood glucose (FBG), glycosylated hemoglobin (HBAlc), total cholestérol (TC), triglycéride (TG), blood urea nitrogen (BUN), serum creatinine (Scr), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β, and monocyte chemoattractant protein-1 (MCP-1) were detected. The expression of p62, LC3B, Beclinl, Agt7, LAMP1, Bcl-2, caspase-3 and Bax in kidney tissue was measured by Western blot. The pathological changes of kidney were observed under light microscope. Results Compared with the control group, the model group showed thickening of basement membrane, increased extracellular matrix, interstitial inflammatory cell infiltration and interstitial fibrosis (P < 0. 01). Moreover, the model group had higher content of FBG, HBAlc, 24h-UTP, TC, TG, BUN, Scr, TNF-α, IL-1β, and MCP-1 (P < 0. 01), higher expression of LC3B-/LC3B- I, Beclinl, LAMP1, Agt7 and Bcl-2 (P<0. 01), and lower expression of p62, caspase-3 and Bax in rénal tissue (P < 0. 01) than those in the control group. Compared with the model group, empagliflozin alleviated the pathological injury in kidney (P < 0. 01), and the changes in the above indicators were reversed. Conclusion By irepairing autophagy-lysosomal pathway in renal tissue, empagliflozin can promote the degradation of autophagy substrates, inhibit the production of inflammatory factors and apoptosis, thereby protecting the kidney.

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