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Cytochrome P450 epoxygenase CYP2J2 attenuates nephropathy in streptozotocin-induced diabetic mice

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单位: [1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Internal Med, Wuhan 430030, Peoples R China [2]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Gene Therapy Ctr, Wuhan 430030, Peoples R China [3]NIEHS, Div Intramural Res, NIH, Res Triangle Pk, NC 27709 USA
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关键词: Arachidonic acids Cytochrome P450 epoxygenase Streptozotocin Diabetic nephropathy Tubular epithelial-inesenchymal transdifferentiation

摘要:
Cytochrome P450 (CYP) epoxygenases metabolize arachidonic acid into epoxyeicosatrienoic acids (EETs). which play important and diverse roles in the cardiovascular system. The anti-inflammatory, antiapoptotic, pro-angiogenic, and anti-hypertensive properties of EETs in the cardiovascular system suggest a beneficial role for EETs in diabetic nephropathy. This study investigated the effects of endothelial specific overexpression of CYP2J2 epoxygenase on diabetic nephropathy in streptozotocin-induced diabetic mice. Endothelial CYP2J2 overexpression attenuated renal damage as measured by urinary microalbumin and glomerulosclerosis. These effects were associated with inhibition of TGF-beta/Smad signaling in the kidney. Indeed, overexpression of CYP2J2 prevented TGF-beta 1-induced renal tubular epithelial-mesenchymal transition in vitro. These findings highlight the beneficial roles of the CYP epoxygenase-EET system in the pathogenesis of diabetic nephropathy. (C) 2011 Elsevier Inc. All rights reserved.

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出版当年[2010]版:
大类 | 3 区 生物
小类 | 4 区 生化与分子生物学 4 区 细胞生物学
最新[2025]版:
大类 | 3 区 生物学
小类 | 4 区 生化与分子生物学 4 区 细胞生物学
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出版当年[2009]版:
Q3 CELL BIOLOGY Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY
最新[2023]版:
Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY Q3 CELL BIOLOGY

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第一作者单位: [1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Internal Med, Wuhan 430030, Peoples R China [2]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Gene Therapy Ctr, Wuhan 430030, Peoples R China
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通讯机构: [1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Internal Med, Wuhan 430030, Peoples R China [2]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Gene Therapy Ctr, Wuhan 430030, Peoples R China [*1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Internal Med, 1095 Jiefang Ave, Wuhan 430030, Peoples R China
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