期刊
AMERICAN JOURNAL OF PATHOLOGY
卷 159, 期 2, 页码 703-709出版社
AMER SOC INVESTIGATIVE PATHOLOGY, INC
DOI: 10.1016/S0002-9440(10)61741-5
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Chronic chagasic cardiomyopathy (CChC) is characterized by an inflammatory reaction which may eventually lead to heart enlargement, arrythmia, and death. As described herein, interleukin-4-deficient mice mount increased specific T helper (Th) I immune responses when infected with Trypanosoma cruzi, as compared to wild-type mice. Interestingly, these mice had reduced parasitism and mortality and exacerbated inflammation in their hearts, demonstrating a clear dissociation between inflammation and parasite load. The modulation of these phenomena so as to maximize host and parasite survivals may depend on a fine balance between Th responses, in which a Th1 response will, on one hand, control parasitism and, on the other hand, enhance heart inflammation throughout the course of the infection.
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