Article
[A case of hemochromatosis associated with transferrin receptor 2 gene mutations].
Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology - 20 Mar 2022
Liu X H, Zheng S J, Gao L Y, Zhang Liaoyun
Abstract excerpt
遗传性血色病是一种铁代谢障碍性疾病,较为罕见。现报道1例转铁蛋白受体(TFR)2基因突变相关血色病患者,临床表现为皮肤色素沉着、糖尿病、肝硬化,血清铁蛋白(8 548.9 ng/ml)、转铁蛋白饱和度(116.77%)明显升高,肝活检示肝硬化,肝内铁沉积(重度Ⅳ级),对其血液标本进行全外显子捕获和高通量测序,并经Sanger测序验证,发现在TFR2基因10号和7号外显子上检测到2个杂合突变(c.1288G>A,p.G430R和c.960T>A,p.Y320X),前者已有文献报道与血色病的发病密切相关;后者罕见报道,是TFR2基因新变异点,该突变可使肽链终止。.
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