Unveiling the podocyte-protective effect of sodium-glucose cotransporter-2 inhibitors

Buchun Jiang1,2, Zhiwen Cheng2,3, Dongjie Wang1,2

  • 1Department of Nephrology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.

Insights

Sodium-glucose cotransporter-2 (SGLT2) inhibitors protect kidneys in diabetic and nondiabetic kidney disease by safeguarding podocytes. These drugs reduce inflammation and oxidative stress, offering potential new treatments for various kidney conditions.

Area of Science:

  • Nephrology
  • Pharmacology
  • Cell Biology

Background:

  • Sodium-glucose cotransporter-2 (SGLT2) inhibitors are recognized for renoprotective effects in diabetic and nondiabetic nephropathy.
  • Randomized controlled trials like DAPA-CKD and EMPA-KIDNEY support their efficacy.

Purpose of the Study:

  • To review clinical and laboratory studies on the podocyte-protective effects of SGLT2 inhibitors.
  • To explore the potential of SGLT2 inhibitors in broader kidney disease applications.

Main Methods:

  • Literature review of clinical and laboratory studies.
  • Analysis of mechanisms of SGLT2 inhibitor action on podocytes.

Main Results:

  • SGLT2 inhibitors protect podocytes by enhancing autophagy and stabilizing podocyte/basement membrane structure.
  • Treatment with SGLT2 inhibitors reduces lipotoxicity, oxidative stress, and inflammation.
  • Emerging evidence supports SGLT2 inhibitor use in nondiabetic podocytopathies like FSGS.

Conclusions:

  • SGLT2 inhibitors demonstrate significant podocyte-protective effects.
  • These findings suggest broader therapeutic potential for SGLT2 inhibitors in managing kidney diseases.

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