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Current Immunology Reviews (Discontinued)


ISSN (Print): 1573-3955
ISSN (Online): 1875-631X

Immunoglobulin Free Light Chains in Immune Responses

Author(s): Joris van der Veeken and Frank A. Redegeld

Volume 4, Issue 2, 2008

Page: [88 - 100] Pages: 13

DOI: 10.2174/157339508784325055

Price: $65


The functional activity of immunoglobulin free light chains in mast cell-dependent hypersensitivity-like responses implicates a potential role for these molecules in other immune disorders. Mast cell-bound immunoglobulin free light chains recognize antigen and induce mast cell activation and mediator release. Through this mechanism, immunoglobulin free light chains can contribute to the pathogenesis of e.g. contact hypersensitivity and non-atopic asthma. These findings shed new light on the potential role of immunoglobulin free light chains in autoimmune disorders, such as multiple sclerosis and rheumatoid arthritis. Immunoglobulin free light chain levels are increased in these disorders and correlate with disease activity. Further establishing the contribution of immunoglobulin free light chain-mediated mast cell activation to the pathogenesis of chronic inflammatory diseases may lead to novel therapeutic strategies in their treatment.

Keywords: Immunoglobulin free light chain, mast cell, hypersensitivity, allergy, asthma, multiple sclerosis, rheumatoid arthritis, inflammatory bowel disease

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