CD95-induced apoptosis of lymphocytes in an immune privileged site induces immunological tolerance

Thomas S. Griffith, Xinhong Yu, John M. Herndon, Douglas R. Green, Thomas A. Ferguson

Research output: Contribution to journalArticlepeer-review

336 Scopus citations


We examined the relationship between cell death and tolerance induction following antigen injection into the anterior chamber of the eye. Our data show that when inflammatory cells undergo apoptosis following infection with HSV-1, tolerance to the virus was observed. In contrast, when cell death was absent due to defects in Fas or Fast, immune tolerance was not observed. Further studies revealed that cell death and tolerance required that the lymphoid cells be Fas+ and the eye be FasL. Additionally, we show that while Fas/FasL-mediated apoptosis occurred in the eye, it was apoptotic cell death that was critical for tolerance induction. Our results further demonstrate immune privilege is not a passive process involving physical barriers, but is an active process that employs an important natural mechanism to induce cell death and immune tolerance.

Original languageEnglish (US)
Pages (from-to)7-16
Number of pages10
Issue number1
StatePublished - Jul 1996

Bibliographical note

Funding Information:
This work is supported by National Eye Institute grants EY06765, EY06374, National Institutes of Health grant GM52735, and by a Department of Ophthalmology and Visual Sciences grant from Research to Prevent Blindness, Incorporated, New York, New York. The authors would also like to thank V. Franklin for assistance in tissue sectioning.


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