Using monoclonal antibodies identifying all gamma/delta and alpha/beta T cell receptors in cytofluorometric analysis, we have compared the composition of intestinal intraepithelial lymphocytes (i-IEL) in euthymic and athymic germ-free (GF) and conventional (SPF) mice. The results show a marked influence of microbial colonization in the numbers of single-positive (CD4+ or CD8+) alpha/beta i-IEL, but little effect in the pool size or characteristics of gamma/delta i-IEL. In young athymic mice, virtually no alpha/beta i-IEL are detected, while considerable numbers of gamma/delta i-IEL remain, though reduced in GF animals.
Localization of gamma/delta T cells to the intestinal epithelium is independent of normal microbial colonization
A. Bandeira,T. Mota-Santos,S. Itohara,S. Degermann,C. Heusser,S. Tonegawa,A. Coutinho
Published 1990 in Journal of Experimental Medicine
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- Publication year
1990
- Venue
Journal of Experimental Medicine
- Publication date
1990-07-01
- Fields of study
Biology, Medicine
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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