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BACKGROUND: Plasma and B cells are implicated in multiple sclerosis (MS) and produce free light chains (FLC) that are excreted in urine. OBJECTIVE: To confirm that demyelinating diseases (DD) cause increased urinary FLCs. METHOD: Urinary FLC in 50 patients with DD were compared to 20 patients with posterior uveitis (PU), 19 with AIDS, 34 with rheumatoid arthritis (RA) and 19 normal controls (NC). RESULT: Subjects with DD, PU, RA and AIDS have higher urinary FLCs than NC (p<0.01). Urinary FLCs did not correlate with gadolinium-enhancing lesions on MRI. CONCLUSIONS: Urinary FLCs are raised in DD. Further studies are required to see if they correlate with disease activity.

Original publication

DOI

10.1016/j.jneuroim.2010.01.012

Type

Journal article

Journal

J Neuroimmunol

Publication Date

30/03/2010

Volume

220

Pages

99 - 103

Keywords

Acquired Immunodeficiency Syndrome, Adult, Arthritis, Rheumatoid, Biomarkers, Female, Humans, Immunoglobulin Light Chains, Immunoglobulins, Male, Middle Aged, Multiple Sclerosis, Predictive Value of Tests, Up-Regulation, Uveitis, Posterior