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Eur J Pharmacol. 2012 Mar 5;678(1-3):55-60. doi: 10.1016/j.ejphar.2011.12.017. Epub 2011 Dec 23.

Anti-inflammatory effect of quetiapine on collagen-induced arthritis of mouse.

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1
Department of Biochemistry, School of Medicine, Keimyung University, Daegu 704-701, Republic of Korea.

Abstract

Quetiapine is an atypical antipsychotic and has also been used in the treatment of depression. Since anti-inflammatory effects of antidepressants are well established, we hypothesized that quetiapine may also exert anti-inflammatory effects. Thus this study was designed to examine the anti-inflammatory effect of quetiapine in murine collagen-induced arthritis. Mice were immunized with collagen type II for the induction of arthritis and treated with quetiapine (10mg/kg) daily for 2weeks. Mice were divided into 3 groups: control, CIA, and CIA+quetiapine treatment. Arthritic index and paw thickness were used to compare severity of arthritis. In additions, radiological and histological assessments were employed. Anti-type II collagen-specific antibody, interleukin-6 (IL-6), interleukin-17 (IL-17), and prostaglandin E(2) (PGE(2)) were evaluated at the end of the treatment period. Both arthritic index and paw thickness were markedly improved in CIA+quetiapine treatment group compared with those in CIA groups (arthritic index; P<0.01, paw thickness; P<0.05). Radiologic assessment revealed decreased cartilage damage and bone erosion in CIA+quetiapine treatment group compared with those in CIA groups. Articular cartilage destruction observed in CIA group was not found in CIA+quetiapine group. The concentrations of anti-type II collagen-specific antibody, IL-6, IL-17, and PGE(2) in CIA+quetiapine group were significantly lower than those in CIA groups (P<0.05). Weight gain which is commonly observed with the treatment of antipsychotics was not observed. Taken together, these results suggest that quetiapine shows anti-inflammatory effects in murine collagen-induced arthritis.

PMID:
22209881
DOI:
10.1016/j.ejphar.2011.12.017
[Indexed for MEDLINE]

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