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Abstract Diabetic nephropathy (DN) is a common long-term complication of diabetes. It starts by minor damage hyperfiltration, and progresses, especially if untreated, to chronic kidney disease. endothelial nitric oxide synthase (eNOS) plays an important role in regulation of endothelial function and in the control of blood pressure. The eNOS protein synthesizes nitric oxide constitutively via reaction including the conversion of L-arginine to L-citrulline a point mutation of guanine to thymine at nucleotide position G894T in the endothelial nitric oxide synthase (eNOS) gene within exon 7, resulting in a replacement of glutamic acid by aspartic acid at codon 298 (Glu298Asp),has been reported to be associated with Diabetic nephropathy This work is organized to investigate the effect of G894T SNPs of eNOS gene on the genetic predisposition for diabetic nephropathy among Egyptian types1, 2 diabetes patients. |