" /> Xeroderma pigmentosum, complementation group b - CISMeF





Preferred Label : Xeroderma pigmentosum, complementation group b;

Symbol : XPB;

CISMeF acronym : XPBC; XPB;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Xp, group b; XPBC;

Included titles and symbols : Xeroderma pigmentosum b/cockayne syndrome; Xpb/cs;

Description : For a general discussion of xeroderma pigmentosum, see XPA (278700), and of Cockayne syndrome, see CSA (216400). Cleaver (1990) provided a review of the causes of xeroderma pigmentosum.;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the excision-repair cross-complementing group 3 gene (ERCC3, 133510.0001);

Neoplasia : Melanoma; Basal cell carcinoma; Squamous cell carcinoma; Increased risk of malignancy;

Laboratory abnormalities : Decreased DNA excision repair; Increased cellular sensitivity to UV light;

Prefixed ID : #610651;

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03/05/2025


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