Proteasome regulation of activation-induced T cell death.


Lactacystin, a microbial metabolite that inhibits protease activity only in the proteasome, was used to study the role of the proteasome in the activation-induced cell death (AICD) of T cells. Lactacystin induces DNA fragmentation and apoptosis in a T cell hybridoma (DO.11. 10) in a dose-dependent manner. Between 1 and 10 microM, the mildly cytotoxic… (More)


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