" /> Granulomatous disease, chronic, X-linked - CISMeF





Preferred Label : Granulomatous disease, chronic, X-linked;

Symbol : CGDX;

CISMeF acronym : CDGX; CGD; CGDX;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Cytochrome b-negative granulomatous disease, chronic, X-linked; Chronic granulomatous disease, X-linked; CGD;

Included titles and symbols : Cytochrome b-positive granulomatous disease, chronic, X-linked; Granulomatous disease, chronic, X-linked, variant; Chronic granulomatous disease, atypical;

Description : Chronic granulomatous disease is a genetically heterogeneous immunodeficiency disorder resulting from an inability of phagocytes to kill microbes that they have ingested. This impairment in killing is caused by any of several defects in the phagocyte NADPH oxidase (phox) complex, which generates the microbicidal 'respiratory burst' (reviewed by Dinauer et al., 2001 and Johnston, 2001). - Genetic Heterogeneity of Chronic Granulomatous Disease Chronic granulomatous disease can be caused by mutations in any 1 of 5 genes encoding structural or regulatory subunits of the phagocyte NADPH oxidase complex. See also autosomal recessive cytochrome b-negative CGD (233690), caused by mutation in the CYBA gene (608508); autosomal recessive cytochrome b-positive CGD type I (233700), caused by mutation in the NCF1 gene (608512); autosomal recessive cytochrome b-positive CGD II (608515), caused by mutation in the NCF2 gene (608515); and autosomal recessive cytochrome b-positive CGD type III (613960), caused by mutation in the NCF4 gene (601488). A similar syndrome, termed neutrophil immunodeficiency syndrome (608203), is caused by mutation in another protein involved in the NADPH oxidase complex, RAC2 (602049).;

Inheritance : X-linked recessive;

Molecular basis : Caused by mutation in the cytochrome b(-245) beta subunit gene (CYBB, 300481.0001);

Laboratory abnormalities : Deficiency or absence of cytochrome b(-245); Deficiency or absence of p91-phox protein; Deficiency or absence of p22-phox (608508) protein; Negative nitroblue tetrazolium (NBT) reduction test; Decreased activity of NADPH oxidase;

Prefixed ID : #306400;

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29/05/2024


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