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. 2014 Jan 3;443(1):42-8.
doi: 10.1016/j.bbrc.2013.11.040. Epub 2013 Nov 20.

CTRP3 plays an important role in the development of collagen-induced arthritis in mice

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CTRP3 plays an important role in the development of collagen-induced arthritis in mice

Masanori A Murayama et al. Biochem Biophys Res Commun. .
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Abstract

Rheumatoid arthritis (RA) is an autoimmune inflammatory disease exhibited most commonly in joints. We found that the expression of C1qtnf3, which encodes C1q/TNF-related protein 3 (CTRP3), was highly increased in two mouse RA models with different etiology. To elucidate the pathogenic roles of CTRP3 in the development of arthritis, we generated C1qtnf3(-/-) mice and examined the development of collagen-induced arthritis in these mice. We found that the incidence and severity score was higher in C1qtnf3(-/-) mice compared with wild-type (WT) mice. Histopathology of the joints was also more severe in C1qtnf3(-/-) mice. The levels of antibodies against type II collagen and pro-inflammatory cytokine mRNAs in C1qtnf3(-/-) mice were higher than WT mice. These observations indicate that CTRP3 plays an important role in the development of autoimmune arthritis, suggesting CTRP3 as a possible medicine to treat RA.

Keywords: CTRP3; Collagen-induced arthritis; Rheumatoid arthritis.

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