Diabetes susceptibility of BALB/cBOM mice treated with streptozotocin. Inhibition by lethal irradiation and restoration by splenic lymphocytes

S. Paik, M. L. Blue, N. Fleischer, S. Shin

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25 Citations (Scopus)

Abstract

In genetically susceptible strains of mice, repeated injections of a subdiabetogenic dose of streptozotocin induces the development of progressive insulin-dependent hyperglycemia. We showed previously that host T-cell functions play an obligatory etiologic role in this experimental disease by demonstrating that the athymic nude mouse is resistant to diabetes induction unless its T-cell functions are reconstituted by thymus graft (Paik et al., Proc. Natl. Acad. Sci. USA 77:6129-33, 1980). Here we show that lethal irradiation of euthymic (+/nu) mice of BALB/cBOM background causes selective resistance of the mice to the diabetogenic effects of the multiple low doses of streptozotocin without affecting their sensitivity to a high pharmacologic dose of the toxin. We also show that reconstitution of the irradiated mice with splenic lymphocytes causes the restoration of diabetes susceptibility. Lethally irradiated mice thus represent a useful experimental model for analyzing the host functions involved in the development of this disease. These results provide an additional support for the hypothesis that the induction of diabetes in this model system is mediated by an autoimmune amplification mechanism.

Original languageEnglish (US)
Pages (from-to)808-815
Number of pages8
JournalDiabetes
Volume31
Issue number9
StatePublished - 1982

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Streptozocin
Lymphocytes
Nude Mice
T-Lymphocytes
Hyperglycemia
Thymus Gland
Theoretical Models
Insulin
Transplants
Injections

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Internal Medicine

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Diabetes susceptibility of BALB/cBOM mice treated with streptozotocin. Inhibition by lethal irradiation and restoration by splenic lymphocytes. / Paik, S.; Blue, M. L.; Fleischer, N.; Shin, S.

In: Diabetes, Vol. 31, No. 9, 1982, p. 808-815.

Research output: Contribution to journalArticle

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