" /> Tangier disease - CISMeF





Preferred Label : Tangier disease;

Symbol : TGD;

CISMeF acronym : HDLDT1; TGD;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : High density lipoprotein deficiency, tangier type; HDLDT1; ANALPHALIPOPROTEINEMIA; High density lipoprotein deficiency, type 1;

Description : Tangier disease is an autosomal recessive disorder characterized by markedly reduced levels of plasma high density lipoproteins (HDL) resulting in tissue accumulation of cholesterol esters. Clinical features include very large, yellow-orange tonsils, enlarged liver, spleen and lymph nodes, hypocholesterolemia, and abnormal chylomicron remnants (Brooks-Wilson et al., 1999).;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the ATP-binding cassette, subfamily A, member 1 gene (ABCA1, 600046.0001);

Laboratory abnormalities : Decreased or absent apolipoprotein A-I; Decreased serum HDL cholesterol; Accumulation of cholesterol esters in various tissues; Deficient efflux of intracellular cholesterol;

Prefixed ID : #205400;

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01/05/2025


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