Peer-Reviewed Journal Details
Mandatory Fields
Fearnhead HO, Dinsdale D, Cohen GM
1995
November
Febs Letters
An interleukin-1 beta-converting enzyme-like protease is a common mediator of apoptosis in thymocytes.
Published
()
Optional Fields
375
3
283
288
Apoptosis was induced in thymocytes using diverse stimuli in order to identify events within a common apoptotic pathway. Benzyloxycarbonyl-valinyl-alaninyl-aspartyl fluoromethyl ketone (Z-VAD.FMK), an interleukin-1 beta-converting enzyme (ICE)-like protease inhibitor, inhibited apoptosis assessed by flow cytometry, proteolysis of poly (ADP)-ribose polymerase of DNA to both large kilobase pair fragments (30-50 and 200-300 kbp) and to nucleosomal fragments. Z-VAD.FMK also blocked all the classical ultrastructural features of apoptosis including chromatin condensation to one pole of the nucleus, nucleolar disintegration and cytoplasmic vacuolation. These results suggest the involvement of an ICE-like protease as a common mediator of apoptosis in thymocytes.
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