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Exosome component 10, Polymyositis/scleroderma autoantigen 2, Autoantigen PM/Scl 2, Polymyositis/scleroderma autoantigen 100 kDa, PM/Scl-100, P100 polymyositis-scleroderma overlap syndrome-associated autoantigen, EXOSC10, PMSCL, PMSCL2, p2, p3, p4, RRP6, Rrp6p, PM-Scl.

EXOSC10 is a nucleolar protein and represents one crucial component of the so-called "PM/Scl complex" or "nuclear exosome", which is an RNA-processing complex consisting of a number of exoribonucleases (not to be confused with certain multivesicular bodies which are shed by cultured cells into the culture fluid and are also called exosomes).
Autoantibodies against EXOSC10 occur in patients suffering from polymyositis, scleroderma or polymyositis/scleroderma overlap syndromes. While antibodies to other components of the exosome complex (PM/Scl 75, several Rrp proteins) can be found in some sera, practically all patients with autoantibodies against the PM/Scl complex are positive for EXOSC10 antibodies, making this specificity an important marker. The presence of EXOSC10 autoantibodies is a comparatively "good" prognostic sign in polymyositis/scleroderma overlap syndrome unlike the poor prognosis seen when other myositis and systemic sclerosis specific autoantibodies are present.

Sf9 insect cells.

Sterile Filtered clear solution.

EXOSC10 is supplied at a concentration of 0.8mg/ml in 20mM HEPES, pH-7.5, 100mM NaCl, 0.01mM EDTA, 0.02% SDS.

1. Binds IgG-type human auto-antibodies.
2. Standard ELISA test (checker-board analysis of positive/negative sera panels).

Western-Blot with monoclonal anti-hexa-His-tag antibody & polymyositis patient sera.

0.4-0.8 µg/ml (depending on the type of ELISA plate and coating buffer).
Suitable for biotinylation and iodination.

Greater than 70% as determined by SDS-PAGE.

Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.