| Pathogenesis of diabetic nephropathy |
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Jung Tak Park, Shin-Wook Kang |
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| 당뇨병성 신증의 병태생리 |
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박정탁, 강신욱 |
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| Abstract |
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Diabetic nephropathy, the leading cause of end stage renal disease in many countries, is pathologically characterized by glomerular and tubular hypertrophy, extracellular matrix accumulation, inflammatory cell infiltration, and podocytopenia associated with foot process effacement, which eventually results in glomerulosclerosis and tubular atrophy. The pathogenesis of diabetic nephropathy comprises both metabolic and hemodynamic factors related to diabetes. Hemodynamic factors include intraglomerular hypertension which is associated with the activation of both systemic and local renin-angiotensin system. Hyperglycemia per se, advanced glycation end-products and glucose-dependent aldose reductase pathways, as metabolic factors, is also known to contribute to the development and progression of diabetic nephropathy. All of these factors induce various cytokines and activate intracellular signal transduction pathways such as protein kinase C and mitogen-activated protein kinase, ultimately leading to diabetic nephropathy. |
| Key Words:
Diabetic nephropathy; Advanced glycated end-products; Renin-angiotensin system; Reactive oxygen species |
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