KMID : 0359920120310010072
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Korean Journal of Nephrology 2012 Volume.31 No. 1 p.72 ~ p.75
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Inherited protein S deficiency due to a novel nonsense mutation in the PROS1 gene in the patient with recurrent vascular access thrombosis: A case report
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Cho Eun-Jin
Kim Yong-Chul Hwang Jin-ho Lee Ha-Jeong Park Sung-Sup Kim So-Yeon Kim Suhng-Gwon Chin Ho-Jun
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Abstract
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Vascular access thrombosis is one of the major causes of morbidity in patients maintained on chronic hemodialysis. Thrombophilia has been recognized as a risk factor of vascular access thrombosis. The authors report a case of inherited protein S deficiency associated with vascular access thrombotic events. DNA sequence analysis of the PROS1 gene identified a novel heterozygous nonsense mutation in exon 10 by transition of AAG (lysine) to TAG (stop codon) at codon 473 (c.1417A4T, p.K473X). Results from the study suggest that the inherited protein S deficiency due to a PROS1 gene mutation may cause vascular access thrombosis in hemodialysis patients.
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KEYWORD
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PROS1, Protein S deficiency, Thrombosis
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