1989 ◽  
Vol 169 (3) ◽  
pp. 779-794 ◽  
Author(s):  
S X Qin ◽  
S Cobbold ◽  
R Benjamin ◽  
H Waldmann

Transplantation tolerance across histoincompatibilities in multiple non-H-2 minors (B10.BR into CBA/Ca) and "minor" plus H-2D (B10.A into CBA/Ca) antigens has been achieved successfully by combined adult bone marrow transplantation and treatment with CD4 and CD8 mAbs. The tolerant state was confirmed by permanent acceptance of donor strain skin grafts, and in vitro unresponsiveness to donor cells. Tolerance was associated with partial donor chimerism to various degrees. Tolerance to minor transplantation antigens induced in this manner was restricted to recipient-type MHC. The possibility was raised that tolerance resulted, at least in part, from clonal anergy rather than deletion.


1992 ◽  
Vol 175 (1) ◽  
pp. 65-70 ◽  
Author(s):  
T A Barrett ◽  
M L Delvy ◽  
D M Kennedy ◽  
L Lefrancois ◽  
L A Matis ◽  
...  

The present study examined mechanisms of tolerance for T cell receptor gamma/delta (TCR-gamma/delta) cells. Using a transgenic (Tg) model, we demonstrate that although alloantigen (Ag)-specific TCR-gamma/delta cells are deleted in the thymus and spleen of Ag-bearing mice, intraepithelial lymphocytes (IELs) expressing normal levels of the Tg TCR were present. However, Tg+ IELs from Ag-bearing mice were unresponsive to activation. Furthermore, self-reactive Tg+ IELs decreased in number over time. Thus, in epithelial tissue, Tg TCR-gamma/delta cells are eliminated subsequent to and most likely as a result of the induction of clonal anergy.


1994 ◽  
Vol 6 (10) ◽  
pp. 1605-1612 ◽  
Author(s):  
Jürgen C. Becker ◽  
Christian Czerny ◽  
Eva-Bettina Bröcker
Keyword(s):  

2019 ◽  
Vol 292 (1) ◽  
pp. 61-75 ◽  
Author(s):  
Deborah L. Burnett ◽  
Joanne H. Reed ◽  
Daniel Christ ◽  
Christopher C. Goodnow

1991 ◽  
Vol 1 (3) ◽  
pp. 180-181 ◽  
Author(s):  
Robert S Schwartz
Keyword(s):  

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