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血液学重要突变:X 连锁慢性肉芽肿病(第三次更新)。

Hematologically important mutations: X-linked chronic granulomatous disease (third update).

机构信息

Sanquin Research, and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Plesmanlaan 125, 1066 CX, Amsterdam, The Netherlands.

出版信息

Blood Cells Mol Dis. 2010 Oct 15;45(3):246-65. doi: 10.1016/j.bcmd.2010.07.012. Epub 2010 Aug 21.

Abstract

Chronic granulomatous disease (CGD) is an immunodeficiency disorder affecting about 1 in 250,000 individuals. The disease is caused by a lack of superoxide production by the leukocyte enzyme NADPH oxidase. Superoxide is used to kill phagocytosed micro-organisms in neutrophils, eosinophils, monocytes and macrophages. The leukocyte NADPH oxidase is composed of five subunits, of which the enzymatic component is gp91-phox, also called Nox2. This protein is encoded by the CYBB gene on the X chromosome. Mutations in this gene are found in about 70% of all CGD patients. This article lists all mutations identified in CYBB in the X-linked form of CGD. Moreover, apparently benign polymorphisms in CYBB are also given, which should facilitate the recognition of future disease-causing mutations.

摘要

慢性肉芽肿病(CGD)是一种免疫缺陷病,影响约二十五万人中的一人。该病是由白细胞酶 NADPH 氧化酶缺乏超氧化物产生引起的。超氧化物用于杀死中性粒细胞、嗜酸性粒细胞、单核细胞和巨噬细胞吞噬的微生物。白细胞 NADPH 氧化酶由五个亚基组成,其中酶成分是 gp91-phox,也称为 Nox2。该蛋白由 X 染色体上的 CYBB 基因编码。该基因的突变约见于所有 CGD 患者的 70%。本文列出了 X 连锁 CGD 中 CYBB 中已鉴定的所有突变。此外,还给出了 CYBB 中明显良性的多态性,这将有助于识别未来的致病突变。

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