Resolvin D1 Administration Is Beneficial in Trypanosoma cruzi Infection.

Infection and Immunity
Aline L HortaHuan Huang

Abstract

Chagas disease is a major public health issue, affecting ∼10 million people worldwide. Transmitted by a protozoan named Trypanosoma cruzi, this infection triggers a chronic inflammatory process that can lead to cardiomyopathy (Chagas disease). Resolvin D1 (RvD1) is a novel proresolution lipid mediator whose effects on inflammatory diseases dampens pathological inflammatory responses and can restore tissue homeostasis. Current therapies are not effective in altering the outcome of T. cruzi infection, and as RvD1 has been evaluated as a therapeutic agent in various inflammatory diseases, we examined if exogenous RvD1 could modulate the pathogenesis of Chagas disease in a murine model. CD-1 mice infected with the T. cruzi Brazil strain were treated with RvD1. Mice were administered 3 μg/kg of body weight RvD1 intraperitoneally on days 5, 10, and 15 to examine the effect of RvD1 on acute disease or administered the same dose on days 60, 65, and 70 to examine its effects on chronic infection. RvD1 therapy increased the survival rate and controlled parasite replication in mice with acute infection and reduced the levels of interferon gamma and transforming growth factor β (TGF-β) in mice with chronic infection. In addition, there was...Continue Reading

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Sep 5, 2020·Essays in Biochemistry·Nan Chiang, Charles N Serhan

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