Abstract:
:Neonatal tolerance to alloantigens and autoantigens in mice is mediated by T helper (Th)2 immunity. If a strong and pure Th2 response could be engaged to alloantigens in adult mice, it might result in allograft tolerance. In an attempt to induce Th2 immunity in adults, we studied the T-cell response to peptide I-A beta(k)58-71 (I-Ap), a dominant indirect pathway determinant during rejection of B10.A skin by BALB/c mice. Our data show that the naturally occurring response to this peptide during rejection is Th1, consistent with the notion that Th1 immunity is central to destruction of the allograft. In contrast, vigorous and unipolar Th2-type immunity to this peptide can be readily induced by intraperitoneal immunization with incomplete Freund's adjuvant, a protocol previously thought to induce T-cell unresponsiveness. Thus, adjuvant can be used to Th2-guide the indirect pathway alloresponse in an effort to antagonize naturally occurring Th1 alloimmunity.
journal_name
Transplantationjournal_title
Transplantationauthors
Lehmann PV,Matesic D,Benichou G,Heeger PSdoi
10.1097/00007890-199707270-00020subject
Has Abstractpub_date
1997-07-27 00:00:00pages
292-6issue
2eissn
0041-1337issn
1534-6080journal_volume
64pub_type
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