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J Leukoc Biol. 2008 Apr;83(4):799-803. Epub 2007 Dec 6.

The inhibitory collagen receptor LAIR-1 (CD305).

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Department of Immunology, University Medical Center, Utrecht 3584 EA, The Netherlands.


The immune system protects the body from invaders such as viruses and bacteria. Immune cells must be activated in the correct context to function properly. It is critical that the receptors, costimulatory molecules, and cytokines that orchestrate this activation are carefully regulated to prevent uncontrolled inflammation and autoimmunity. Inhibitory receptors play an important role in regulation of immune cell function, usually upon interaction with ligands present on other cells. In contrast, the function of the inhibitory leukocyte-associated Ig-like receptor (LAIR)-1 can be regulated by extracellular matrix collagens. LAIR-1 is expressed on most cells of the immune system, and its function has been studied on multiple cell types. This review summarizes current literature about LAIR-1, a receptor that potentially is able to regulate multiple steps of an immune response.

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