TITLE

Chemokine Receptor Expression on the Surface of Peripheral Blood Mononuclear Cells in Chagas Disease

AUTHOR(S)
Talvani, Andre; Rocha, Manoel O. C.; Ribeiro, Antonio L.; Correa-Oliveira, Rodrigo; Teixeira, Mauro M.
PUB. DATE
January 2004
SOURCE
Journal of Infectious Diseases;1/15/2004, Vol. 189 Issue 2, p214
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We evaluated the expression of chemokine receptors (CCR1, CCR2, CCR5, and CXCR4) on the surface of peripheral blood mononuclear cells obtained from patients with chronic chagasic cardiomyopathy (CCC) and noninfected individuals. Only CCR5 and CXCR4 expression was different on the surface of the subsets (CD4, CD8, and CD14) evaluated. Patients with mild CCC had elevated leukocyte expression of CCR5, compared with noninfected individuals or those with severe disease. CXCR4 expression was lower on leukocytes from patients with severe CCC. The differential expression of both receptors on leukocytes of patients with CCC was consistent and clearly correlated with the degree of heart function such that the lower the heart function, the lower the expression of either CCR5 or CXCR4. These results highlight the possible participation of the chemokine system in early forms of chagasic cardiomyopathy and the relevance of heart failure-induced remodeling in modifying immune parameters in infected individuals.
ACCESSION #
11978012

 

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