Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D016169
http://purl.bioontology.org/ontology/MESH/D016169
Preferred Name

Lymphocyte Function-Associated Antigen-1

Definitions
An integrin heterodimer widely expressed on cells of hematopoietic origin. CD11A ANTIGEN comprises the alpha chain and the CD18 antigen (CD18 ANTIGENS) the beta chain. Lymphocyte function-associated antigen-1 is a major receptor of T-CELLS; B-CELLS; and GRANULOCYTES. It mediates the leukocyte adhesion reactions underlying cytolytic conjugate formation, helper T-cell interactions, and antibody-dependent killing by NATURAL KILLER CELLS and granulocytes. Intracellular adhesion molecule-1 has been defined as a ligand for lymphocyte function-associated antigen-1.
Synonyms
Integrin alphaLbeta2
alphaLbeta2, Integrin
Antigen-1, Lymphocyte Function-Associated
LFA-1
Leukocyte Function Associated Antigen-1
Lymphocyte Function Associated Antigen 1
Type http://www.w3.org/2002/07/owl#Class
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