2000•Zhonghua shenzangbing zazhiRequires access
Protective effects of losartan on diabetic glomerulopathy in STZ-induced diabetic rats
XU Min-hu
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Abstract
Objndve To evaluate the protective effects of specific antagonists of angiotensin II receptor losartan on the kidneys of diabetic rats and study their mechanisms. Methods Changes of urinary albumin, β2-m excretion, creatinine clearance(Ccr), NO, ET level of plasma, urine and renal tissue, serum and urinary TGF-β1 concentration and mean glomerular volume were measured. Results Losartan could correct elevated urinary albumin, β2-m excretion, Ccr and mean glomerular volume. Urinary and renal tissue NO, ET concentration decreased after diabetic rats received losartan. Large doses of losartan also reduced urinary TGF-β1 level. Conclusion Losartan can protect the kidney of diabetic rats and the decrease of NO, ET, TGF-β1 concentration in renal tissue may be a mechanism for this action.