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[Renal structure and function in experimental diabetic rats following unilateral nephrectomy]
1Department of Endocrinology, PLA General Hospital, Beijing.
Zhonghua Yi Xue Za Zhi
|September 1, 1993
Summary
Diabetic rats with unilateral nephrectomy showed early renal injury within 3 months. Low-dose captopril treatment did not significantly alter these kidney changes or improve renal function.
Area of Science:
- Nephrology
- Diabetology
- Pharmacology
Context:
- Diabetic nephropathy is a major complication of diabetes mellitus.
- Unilateral nephrectomy can exacerbate existing renal conditions.
- Understanding early renal changes in diabetes is crucial for intervention.
Purpose:
- To investigate renal structural and functional changes in streptozotocin-induced diabetic rats after unilateral nephrectomy.
- To evaluate the effect of captopril treatment on these renal alterations.
Summary:
- Diabetic rats with unilateral nephrectomy exhibited increased glomerular filtration rate, renal plasma flow, kidney weight to body weight ratio, mean glomerular volume, glomerular basement membrane width, and mesangial cell proliferation.
- The ratio of 6-keto-PGF1 alpha/TXB2 was also elevated in diabetic rats.
- No significant differences in these parameters were observed between rats with and without captopril treatment, indicating no protective effect of low-dose captopril.
Impact:
- Early renal injury in diabetic rats with unilateral nephrectomy is evident within 3 months.
- These changes may be linked to metabolic abnormalities in glucose and prostaglandin pathways.
- Low-dose captopril does not appear to mitigate early diabetic renal injury in this model.