" /> Leukocyte adhesion deficiency, type I - CISMeF





Preferred Label : Leukocyte adhesion deficiency, type I;

Symbol : LAD1;

CISMeF acronym : LAD; LAD1;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : LAD; Lfa1 immunodeficiency; Lymphocyte function-associated antigen 1 immunodeficiency; Leukocyte adhesion deficiency;

Description : Leukocyte adhesion deficiency (LAD) is an autosomal recessive disorder of neutrophil function resulting from a deficiency of the beta-2 integrin subunit of the leukocyte cell adhesion molecule. The leukocyte cell adhesion molecule is present on the surface of peripheral blood mononuclear leukocytes and granulocytes and mediates cell-cell and cell-extracellular matrix adhesion. LAD is characterized by recurrent bacterial infections; impaired pus formation and wound healing; abnormalities of a wide variety of adhesion-dependent functions of granulocytes, monocytes, and lymphocytes; and a lack of beta-2/alpha-L, beta-2/alpha-M, and beta-2/alpha-X expression.;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutations in the beta-2 integrin gene (ITGB2, 600065.0001);

Laboratory abnormalities : Low levels of CD11/CD18 (LFA-1 or leukocyte function antigen-1) glycoprotein;

Prefixed ID : #116920;

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18/05/2024


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