Prevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.

Non-obese diabetic (NOD) mice were injected with a rat monoclonal antibody to CD4 from birth every two weeks through 6 months of age. These animals gained weight normally but < 11% of their spleen T cells were CD4+, compared with 28% of CD4+ in controls injected with polyclonal rat IgG. The r...

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Main Authors: Hayward, A, Shriber, M, Cooke, A, Waldmann, H
Format: Journal article
Language:English
Published: 1993
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author Hayward, A
Shriber, M
Cooke, A
Waldmann, H
author_facet Hayward, A
Shriber, M
Cooke, A
Waldmann, H
author_sort Hayward, A
collection OXFORD
description Non-obese diabetic (NOD) mice were injected with a rat monoclonal antibody to CD4 from birth every two weeks through 6 months of age. These animals gained weight normally but < 11% of their spleen T cells were CD4+, compared with 28% of CD4+ in controls injected with polyclonal rat IgG. The reduction in CD4 cell percentage was associated with a reduction in the number of cells in the thymus and spleen following the injection. CD4+ cells which survived the injections were nevertheless able to enter cell cycle when stimulated by Con A. None of the CD4-treated NOD mice became diabetic by 6 months of age and none of the animals studied histologically at this time had insulitis. At 9 months of age (three months after stopping the CD4 injections) the mice made antibody to human IgG. At 1 year of age most of the male mice had insulitis, although none of the male or female mice had become spontaneously diabetic. Two thirds of animals injected with cyclophosphamide at 16 months became diabetic within 3 weeks. The results confirm that treatment with CD4 antibody in the first 6 months suffices to reduce the incidence of diabetes in NOD mice. The treatment does not prevent the subsequent development of insulitis in injected mice and does not prevent the accumulation of cells capable of causing overt diabetes after cyclophosphamide injection.
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spelling oxford-uuid:8ddadad6-f88b-43b3-bae6-ad913343af1e2022-03-26T22:53:50ZPrevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:8ddadad6-f88b-43b3-bae6-ad913343af1eEnglishSymplectic Elements at Oxford1993Hayward, AShriber, MCooke, AWaldmann, HNon-obese diabetic (NOD) mice were injected with a rat monoclonal antibody to CD4 from birth every two weeks through 6 months of age. These animals gained weight normally but < 11% of their spleen T cells were CD4+, compared with 28% of CD4+ in controls injected with polyclonal rat IgG. The reduction in CD4 cell percentage was associated with a reduction in the number of cells in the thymus and spleen following the injection. CD4+ cells which survived the injections were nevertheless able to enter cell cycle when stimulated by Con A. None of the CD4-treated NOD mice became diabetic by 6 months of age and none of the animals studied histologically at this time had insulitis. At 9 months of age (three months after stopping the CD4 injections) the mice made antibody to human IgG. At 1 year of age most of the male mice had insulitis, although none of the male or female mice had become spontaneously diabetic. Two thirds of animals injected with cyclophosphamide at 16 months became diabetic within 3 weeks. The results confirm that treatment with CD4 antibody in the first 6 months suffices to reduce the incidence of diabetes in NOD mice. The treatment does not prevent the subsequent development of insulitis in injected mice and does not prevent the accumulation of cells capable of causing overt diabetes after cyclophosphamide injection.
spellingShingle Hayward, A
Shriber, M
Cooke, A
Waldmann, H
Prevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.
title Prevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.
title_full Prevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.
title_fullStr Prevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.
title_full_unstemmed Prevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.
title_short Prevention of diabetes but not insulitis in NOD mice injected with antibody to CD4.
title_sort prevention of diabetes but not insulitis in nod mice injected with antibody to cd4
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