Cortistatin, an antiinflammatory peptide with therapeutic action in inflammatory bowel disease

Proceedings of the National Academy of Sciences of the United States of America
Elena Gonzalez-ReyMario Delgado

Abstract

Cortistatin is a recently discovered cyclic neuropeptide related to somatostatin that has emerged as a potential endogenous antiinflammatory factor based on its production by, and binding to, immune cells. Crohn's disease is a chronic debilitating disease characterized by severe T helper 1 (Th1)-driven inflammation of the gastrointestinal tract. The aim of this study is to investigate the therapeutic effect of cortistatin in a murine model of colitis. Cortistatin treatment significantly ameliorated the clinical and histopathologic severity of the inflammatory colitis, abrogating body weight loss, diarrhea, and inflammation and increased the survival rate of the colitic mice. The therapeutic effect was associated with down-regulation of inflammatory and Th1-driven autoimmune response, including the regulation of a wide spectrum of inflammatory mediators. In addition, a partial involvement of regulatory IL-10-secreting T cells in this therapeutic effect was demonstrated. Importantly, cortistatin treatment was therapeutically effective in established colitis and avoided the recurrence of the disease. This work identifies cortistatin as an antiinflammatory factor with the capacity to deactivate the intestinal inflammatory response ...Continue Reading

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Citations

Dec 23, 2006·Nature Reviews. Immunology·Elena Gonzalez-ReyMario Delgado
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