Phenotypically distinct subsets of CD4+ T cells induce or protect from chronic intestinal inflammation in C. B-17 scid mice
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ID: 297676
1993
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Abstract
CD4+ T cells in the mouse can be subdivided into two fractions based on the level of expression of the CD45RB determinant. Previous studies have shown that these subsets are functionally distinct. We have further characterized the properties of these subpopulations in vivo by injecting them into C. B-17 scid mice. The animals restored with the CD45RBhighCD4+ T cell population developed a lethal wasting disease with severe mononuclear cell infiltrates into the colon and elevated levels of IFN-γ mRNA. In contrast, animals restored with the reciprocal CD45RBlow subset or with unfractionated CD4+ T cells did not develop the wasting or colitis. Importantly, the co-transfer of the CD45RBlow population with the CD45RBhigh population prevented the wasting disease and colitis. These data indicate that important regulatory interactions occur between the CD45RBhigh and CD45RBlowCD4+ T cell subsets and that disruption of this mechanism has fatal consequences.
| Reference Key |
openalex_W2002061924
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| Authors | Fiona Powrie, Michael W. Leach, Smita Mauze, Linda Barcomb Caddie, Robert L. Coffman |
| Journal | international immunology |
| Year | 1993 |
| DOI |
10.1093/intimm/5.11.1461
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| URL | |
| Keywords | Keywords not found |
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