Title : Processing/activation of CPP32-like proteases is involved in transforming growth factor beta1-induced apoptosis in rat hepatocytes.

Pub. Date : 1997 Jun

PMID : 9185777






11 Functional Relationships(s)
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1 This was confirmed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE)/Western blotting of TGF-beta1-treated cells, which showed limited processing of CPP32 as shown by the appearance of the catalytically active p17 subunit. Sodium Dodecyl Sulfate caspase 3 Rattus norvegicus
2 Staurosporine, which induced a much greater level of hepatocyte apoptosis, produced a concomitant increase in CPP32/Mch3alpha processing as shown by the appearance of the p17/p19 subunits and the corresponding increase in CPP32-like protease activity. Staurosporine caspase 3 Rattus norvegicus
3 Staurosporine, which induced a much greater level of hepatocyte apoptosis, produced a concomitant increase in CPP32/Mch3alpha processing as shown by the appearance of the p17/p19 subunits and the corresponding increase in CPP32-like protease activity. Staurosporine caspase 3 Rattus norvegicus
4 Apoptosis, CPP32/Mch3alpha processing and the increase in CPP32-like protease activity induced by TGF-beta1 and staurosporine were abolished in hepatocytes pretreated with Z-Asp-Glu-Val-Asp (OMe) fluoromethylketone (Z-DEVD.FMK) or Z-Val-Ala-Asp (OMe) fluoromethylketone (Z-VAD.FMK). Staurosporine caspase 3 Rattus norvegicus
5 Apoptosis, CPP32/Mch3alpha processing and the increase in CPP32-like protease activity induced by TGF-beta1 and staurosporine were abolished in hepatocytes pretreated with Z-Asp-Glu-Val-Asp (OMe) fluoromethylketone (Z-DEVD.FMK) or Z-Val-Ala-Asp (OMe) fluoromethylketone (Z-VAD.FMK). z-asp-glu-val-asp (ome) fluoromethylketone caspase 3 Rattus norvegicus
6 Apoptosis, CPP32/Mch3alpha processing and the increase in CPP32-like protease activity induced by TGF-beta1 and staurosporine were abolished in hepatocytes pretreated with Z-Asp-Glu-Val-Asp (OMe) fluoromethylketone (Z-DEVD.FMK) or Z-Val-Ala-Asp (OMe) fluoromethylketone (Z-VAD.FMK). z-asp-glu-val-asp (ome) fluoromethylketone caspase 3 Rattus norvegicus
7 Apoptosis, CPP32/Mch3alpha processing and the increase in CPP32-like protease activity induced by TGF-beta1 and staurosporine were abolished in hepatocytes pretreated with Z-Asp-Glu-Val-Asp (OMe) fluoromethylketone (Z-DEVD.FMK) or Z-Val-Ala-Asp (OMe) fluoromethylketone (Z-VAD.FMK). z-devd caspase 3 Rattus norvegicus
8 Apoptosis, CPP32/Mch3alpha processing and the increase in CPP32-like protease activity induced by TGF-beta1 and staurosporine were abolished in hepatocytes pretreated with Z-Asp-Glu-Val-Asp (OMe) fluoromethylketone (Z-DEVD.FMK) or Z-Val-Ala-Asp (OMe) fluoromethylketone (Z-VAD.FMK). z-Val-Ala-Asp(Ome)-fluoromethylketone caspase 3 Rattus norvegicus
9 Apoptosis, CPP32/Mch3alpha processing and the increase in CPP32-like protease activity induced by TGF-beta1 and staurosporine were abolished in hepatocytes pretreated with Z-Asp-Glu-Val-Asp (OMe) fluoromethylketone (Z-DEVD.FMK) or Z-Val-Ala-Asp (OMe) fluoromethylketone (Z-VAD.FMK). z-vad caspase 3 Rattus norvegicus
10 Pretreatment of hepatocytes with cycloheximide also blocked TGF-beta1-induced apoptosis and the increase in CPP32-like activity. Cycloheximide caspase 3 Rattus norvegicus
11 Thus, cycloheximide may block apoptosis by inhibiting the synthesis of a protein, which is involved in the upstream events responsible for the activation of the CPP32-like protease activity. Cycloheximide caspase 3 Rattus norvegicus