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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
9
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pubmed:dateCreated |
1984-10-19
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pubmed:abstractText |
This article is concerned with the role of thymic immunity in the development of diabetes experimentally induced by multiple injections of subdiabetogenic doses of streptozocin (STZ). Euthymic +/+, +/nu, and athymic nu/nu mice of CD-1 and BALB/cAJcl origin were studied. Daily intraperitoneal (i.p.) injections of 30 mg/kg body wt of STZ for 5 consecutive days in CD-1 +/+ and +/nu mice resulted in hyperglycemia and mononuclear cell infiltrations of islets (insulitis). The CD-1 nu/nu mice developed neither insulitis nor hyperglycemia after the same treatment. In the nu/nu mice, when thymic immunity was restored by thymus grafting, both insulitis and hyperglycemia developed, thus demonstrating that thymic immunity was a prerequisite for the development of insulitis and hyperglycemia. There was a positive correlation among the degrees of thymic immunity, insulitis, and hyperglycemia in CD-1 +/nu, nu/nu with thymus grafts, and nu/nu mice, indicating that thymic immunity may amplify the diabetogenic effect of STZ by eliciting insulitis. In contrast, in BALB/cAJcl mice, a nonsusceptible strain to insulitis, no significant differences in plasma glucose levels were observed between the +/nu and nu/nu or between the nu/nu and thymus-grafted nu/nu mice. Furthermore, no significant difference was found in plasma testosterone levels between the +/nu and nu/nu mice of both CD-1 and BALB/cAJcl origin. In conclusion, our data indicate that thymic immunity enhances the diabetogenic effect of STZ by eliciting insulitis in susceptible mice.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0012-1797
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
33
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
894-900
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:6236118-Animals,
pubmed-meshheading:6236118-Blood Glucose,
pubmed-meshheading:6236118-Diabetes Mellitus, Experimental,
pubmed-meshheading:6236118-Immunity, Cellular,
pubmed-meshheading:6236118-Islets of Langerhans,
pubmed-meshheading:6236118-Male,
pubmed-meshheading:6236118-Mice,
pubmed-meshheading:6236118-Mice, Inbred Strains,
pubmed-meshheading:6236118-Mice, Nude,
pubmed-meshheading:6236118-Species Specificity,
pubmed-meshheading:6236118-Streptozocin,
pubmed-meshheading:6236118-T-Lymphocytes,
pubmed-meshheading:6236118-Testosterone,
pubmed-meshheading:6236118-Thymus Gland
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pubmed:year |
1984
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pubmed:articleTitle |
The role of thymic immunity and insulitis in the development of streptozocin-induced diabetes in mice.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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