Pakistan journal of pharmaceutical sciences · 2026
Xiaoshen formula delays progression of diabetic kidney disease and improves glucose and lipid metabolism: Association with the JAK/STAT pathway.
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Yang Han, Wang Xin, Chen Jin-Ying, Liu Bo, Qi Hao-Tian, Kang Xiao-Xia, Nie Wei-Chen, Chen Rui, Ding Tao
Аннотация
BACKGROUND: DKD is a leading cause of end-stage renal disease with limited therapeutic options.
OBJECTIVES: This study evaluated the effects of Xiaoshen Formula (XSF) on glucose/lipid metabolism and renal injury in a DKD model of mice and preliminarily explored its mechanisms involving the JAK/STAT pathway and PPARγ.
METHODS: Diabetes and early-stage DKD were established in KK-Ay mice. Successfully modeled mice were randomly assigned to preventive or therapeutic administration groups; C57BL/6J mice served as blank controls. Biochemical parameters, kidney index and renal histopathology (hematoxylin-eosin staining and transmission electron microscopy) were assessed. Renal protein expression was determined by Western blot.
RESULTS: Compared with blank controls, model mice exhibited increased body weight, polydipsia, polyphagia, disrupted glucose/lipid metabolism and renal injury, confirming successful modeling. Irbesartan reduced fasting blood glucose, kidney weight, organ index and renal injury. XSF-H significantly improved glucose/lipid metabolism, reduced food/water intake and kidney weight/organ index and alleviated renal injury, with overall efficacy ranking: high-dose > therapeutic > low-dose. Western blot showed lower levels of JAK2, p-STAT-6, TGF-β1, and FN, and higher levels of PPARγ in the Irbesartan and XSF groups compared with the model group.
CONCLUSION: This study provides experimental evidence that XSF may delay early DKD progression. XSF ameliorates fasting blood glucose, stabilizes body weight, improves glucose/lipid metabolism and attenuates renal injury and no obvious hepatorenal toxicity under limited conditions. Findings suggest that XSF delays DKD progression may be associated with modulation of the JAK/STAT signaling pathway and inhibition of renal fibrosis.
OBJECTIVES: This study evaluated the effects of Xiaoshen Formula (XSF) on glucose/lipid metabolism and renal injury in a DKD model of mice and preliminarily explored its mechanisms involving the JAK/STAT pathway and PPARγ.
METHODS: Diabetes and early-stage DKD were established in KK-Ay mice. Successfully modeled mice were randomly assigned to preventive or therapeutic administration groups; C57BL/6J mice served as blank controls. Biochemical parameters, kidney index and renal histopathology (hematoxylin-eosin staining and transmission electron microscopy) were assessed. Renal protein expression was determined by Western blot.
RESULTS: Compared with blank controls, model mice exhibited increased body weight, polydipsia, polyphagia, disrupted glucose/lipid metabolism and renal injury, confirming successful modeling. Irbesartan reduced fasting blood glucose, kidney weight, organ index and renal injury. XSF-H significantly improved glucose/lipid metabolism, reduced food/water intake and kidney weight/organ index and alleviated renal injury, with overall efficacy ranking: high-dose > therapeutic > low-dose. Western blot showed lower levels of JAK2, p-STAT-6, TGF-β1, and FN, and higher levels of PPARγ in the Irbesartan and XSF groups compared with the model group.
CONCLUSION: This study provides experimental evidence that XSF may delay early DKD progression. XSF ameliorates fasting blood glucose, stabilizes body weight, improves glucose/lipid metabolism and attenuates renal injury and no obvious hepatorenal toxicity under limited conditions. Findings suggest that XSF delays DKD progression may be associated with modulation of the JAK/STAT signaling pathway and inhibition of renal fibrosis.