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cN-1A Antibodies

Includes 1 test
7 Days

cN-1A (Mup44) antibodies is a serological biomarker for the inclusion body myositis.

Studies show that antibodies against the cytoplasmic 5' nucleotidase (cN -1A) protein are highly specific (95% specificity) for inclusion body myositis, even though they cannot be demonstrated in all cases (sensitivity around 30%). These antibodies can also be detected in systemic lupus erythematosus, Sjögren's syndrome, and other inflammatory muscle disorders, but usually at low titers. Inclusion body myositis is 2-3 times more common in men than in women and occurs almost exclusively in people over 50 years of age.


Additional information
Tests includedIncludes 1 test
Sample Blood
Procedure completion test
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