It has been a long-standing dogma that host sensitization against fully- vascularized organ allografts occurs peripherally within the graft itself. In this report we show that donor-derived MHC class II-positive (Ia+) DL migrate rapidly out of mouse cardiac allografts into the recipients' spleens where they home to the peripheral white pulp and associate predominantly with CD4+ T lymphocytes. This provides a novel route for central sensitization against fully vascularized allografts, and most likely represents a pathway by which immune responses are generated against antigens on blood-borne DL emigrating from peripheral tissues.
ABSTRACT
PUBLICATION RECORD
- Publication year
1990
- Venue
Journal of Experimental Medicine
- Publication date
1990-01-01
- Fields of study
Biology, Medicine
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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