期刊
LABORATORY ANIMALS
卷 50, 期 2, 页码 88-93出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0023677215590515
关键词
diabetes mellitus; mice; streptozotocin; unilateral nephrectomy
资金
- Research Grant from Kangwon National University in Republic of Korea [C1009825-01-01]
Diabetes mellitus (DM) is a major cause of morbidity and mortality worldwide, and its complications are prominent public health issues. Many experimental models of streptozotocin (STZ)-induced and high-fat diet (HF)-induced DM have been used to study this disease. Studies have indicated that unilateral nephrectomy (UN) accelerates the development of diabetic nephropathy. We hypothesized that UN stimulates HF and STZ combination-induced DM in mice. Seventy-two female C57BL/6J mice were divided into four treatment groups: HF; HF + STZ120 (HF and STZ, 120mg/kg); UN+HF+STZ120 (UN, HF and STZ, 120mg/kg); and HF + STZ200 (HF and STZ, 200mg/kg). Onset of DM, survival rate, blood pressure, urine glucose level, and pancreatic histology were investigated. Additionally, renal function was evaluated in the UN + HF + STZ120 group after STZ injection. DM was induced in the UN + HF + STZ120 and HF + STZ200 groups within one week. The UN + HF + STZ120 group had lower mortality than the HF + STZ200 group and greater pancreatic destruction than the HF and HF + STZ120 groups. Two weeks after STZ injection, blood pressure was not significantly different among the groups. Nephrotoxicity associated with the combination of UN and STZ was not observed. In conclusion, the combination of these three techniques - UN, HF and STZ induced DM rapidly and effectively.
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