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Exp Parasitol. 1985 Dec;60(3):342-7.

Trypanosoma brucei: infection in murine diabetes.

Abstract

The course of infection due to Trypanosoma brucei infection was observed in genetically diabetic and streptozotocin-induced diabetic mice. A strain of T. brucei, TREU 667, was used which produces a chronic infection in C57BL/6(B6) mice lasting greater than 60 days. Genetic diabetic mice (+db/+db) are obese, and have elevated blood glucose levels, normal levels of insulin, and impaired cell-mediated immunity. Their littermates (m+/m+, m+/+db) are of normal weight, and are normoglycemic and immunocompetent. The infected +db/+db mice lived significantly longer than the nondiabetic littermates. In contrast to this finding, streptozotocin-induced diabetic B6 mice developed higher parasitemia and had shorter survival times than control B6 mice. Continuous treatment with insulin of these streptozotocin-induced diabetic mice led to normalization of blood glucose and a significant reduction of parasitemia. While hyperglycemia may be associated with higher parasitemia and death in streptozotozin-induced diabetes, genetic factors may play an additional role in the genetic models.

PMID:
4076389
DOI:
10.1016/0014-4894(85)90040-2
[Indexed for MEDLINE]

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