" /> Fanconi anemia, complementation group b - CISMeF





Preferred Label : Fanconi anemia, complementation group b;

Symbol : FANCB;

CISMeF acronym : FACB; FANCB; FA2;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Fanconi pancytopenia, type 2; FA2; FACB;

Description : Fanconi anemia (FA) is a clinically and genetically heterogeneous disorder that causes genomic instability. Characteristic clinical features include developmental abnormalities in major organ systems, early-onset bone marrow failure, and a high predisposition to cancer. The cellular hallmark of FA is hypersensitivity to DNA crosslinking agents and high frequency of chromosomal aberrations pointing to a defect in DNA repair (summary by Deakyne and Mazin, 2011). Patients with FANCB mutations often present with multiple additional congenital anomalies, including the constellation of features designated;

Inheritance : X-linked recessive;

Molecular basis : Caused by mutation in the Fanconi anemia, complementation group B gene (FANCB, 300515.0001);

Prefixed ID : #300514;

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03/05/2025


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