並列タイトル等5/6腎摘マウスの腎臓におけるミトコンドリア呼吸鎖複合体の不均衡
Renal mitochondrial complex in 5/6 Nx mice
タイトル（掲載誌）The Journal of Medical Investigation
一般注記Hyperglycemia induces nonconcordant regulation of renal mitochondrial respiratory complexes, increases oxidative stress, and causes diabetic nephropathy. Hypertension is a complication associated with diabetes and involves glomerular hyperfiltration, the effects of which on mitochondrial respiratory complexes are not well understood. To investigate the effect of glomerular hyperfiltration on renal mitochondrial respiratory complexes, we used the 5/6 nephrectomized BKS.Cg-Dock7m+/+Leprdb/J, Dock7m+/+Leprdb mice (db/m-5/6Nx mice) as a model for glomerular hyperfiltration. The BKS.Cg-Dock7m+/+Leprdb/J, +Leprdb/+Leprdb mice (db/db mice), a model for type 2 diabetes, was used as the positive control. We investigated the activities and protein levels of the mitochondrial complex, and themitochondrial DNA and adenosine triphosphate content in the kidneys of these models. Blood chemistry and renal histopathological examination were performed for characterization of the disease. Both models showed expansion of the mesangial matrix of the glomeruli, which is indicative of glomerular hyperfiltration. The activities of complexes I and IV and the protein levels of complexes I and III were nonconcordant in db/m-5/6Nx mice. In conclusion, we demonstrated that nonconcordant regulation of mitochondrial complexes in db/m-5/6Nx mice involved with glomerular hyperfiltration. The progression and/or severity of nephropathymight be affected through a synergistic effect of mitochondrial dysfunction in hyperglycemia and glomerular hyperfiltration.
DOIinfo:doi/10.2152/jmi.64.255
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受理日（W3CDTF）2018-06-04T01:14:06+09:00
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