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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2006-2-14
pubmed:abstractText
We have reported previously that subclinical prolonged mild T helper (Th) 1-dependent autoimmune insulitis with impaired glucose tolerance in wealing DBA/1J mice, which is induced by the combined effects of reovirus type 2 (Reo-2) and synthetic 20-base oligodeoxynucleotides with CpG motifs (CpG ODN) (control mice). Compared with the control mice, newborn mice treated with monoclonal antibody (MoAb) against mouse CD25(+) CD4(+) T cells together with Reo-2 and CpG ODN greatly reduced the absolute number of splenic CD25(+) T cells and resulted in the development of severe insulitis, leading to an overt early diabetes. Moreover, the treatment of the MoAb increased production of interferon-gamma (IFN-gamma) and decreased that of interleukin-4 (IL-4) and transforming growth factor-beta1 (TGF-beta1) and developed high titre of autoantibodies against pancreatic islet cells. These evidences suggest that CD4(+) CD25(+) T cell may, at least in part, maintain tolerance to Reo-2-triggered and CpG ODN-induced prolonged mild Th1-dependent autoimmune insulitis, leading to the overt disease. This system may give a novel model to elucidate the mechanisms of the development of overt diabetes from borderline subclinical diabetes in virus-triggered autoimmune type I diabetes in human.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0300-9475
pubmed:author
pubmed:issnType
Print
pubmed:volume
63
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
116-24
pubmed:dateRevised
2009-9-28
pubmed:meshHeading
pubmed-meshheading:16476010-Animals, pubmed-meshheading:16476010-Animals, Newborn, pubmed-meshheading:16476010-Antibodies, Monoclonal, pubmed-meshheading:16476010-Antigens, Viral, pubmed-meshheading:16476010-Blood Glucose, pubmed-meshheading:16476010-CD4-Positive T-Lymphocytes, pubmed-meshheading:16476010-CpG Islands, pubmed-meshheading:16476010-Cytokines, pubmed-meshheading:16476010-Diabetes Mellitus, Type 2, pubmed-meshheading:16476010-Female, pubmed-meshheading:16476010-Glucose Tolerance Test, pubmed-meshheading:16476010-Histocytochemistry, pubmed-meshheading:16476010-Male, pubmed-meshheading:16476010-Mice, pubmed-meshheading:16476010-Mice, Inbred DBA, pubmed-meshheading:16476010-Oligonucleotides, pubmed-meshheading:16476010-Orthoreovirus, Mammalian, pubmed-meshheading:16476010-Pancreas, pubmed-meshheading:16476010-Receptors, Interleukin-2, pubmed-meshheading:16476010-Reoviridae Infections, pubmed-meshheading:16476010-Spleen
pubmed:year
2006
pubmed:articleTitle
Elimination of CD4+ CD25+ regulatory T cells breaks down reovirus type 2-triggered and CpG ODN-induced prolonged mild autoimmune insulitis in DBA/1 mice.
pubmed:affiliation
Laboratory of Veterinary Pathology, Yamaguchi University, Yoshida, Yamaguchi, Japan. hayasi@yamaguchi-u.ac.jp
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't