PMID- 12622883 OWN - NLM STAT- Publisher LR - 20191120 IS - 2058-7384 (Electronic) IS - 0394-6320 (Linking) VI - 14 IP - 1 DP - 2001 Jan-Apr TI - Effect of TNF-alpha on the induction of apoptosis in murine macrophages: role of interleukin-1 beta converting enzyme. PG - 5-10 AB - Tumor necrosis factor-alpha (TNF-alpha) is a cytokine that induces apoptosis in various cell types via its binding to TNF-receptors (TNF-R). Involvement of ICE-like protease in the induction of TNF-alpha mediated apoptosis in murine macrophage was investigated using ICE inhibitor YVAD-cmk (Tetrapeptide-Acetyl-Try-Val Ala-Asp-Chloromethyl ketone). Macrophages treated with TNF showed a time dependent decrease in cell viability with a simultaneous increase in the percent of cells showing apoptotic morphology and an increase in percent DNA fragmentation, a quantitative measure of apoptosis. However, incubation of macrophage in medium containing TNF and YVAD-cmk had inhibitory effect on the TNF-induced apoptosis of macrophage. This finding suggests that ICE-like protease may be involved in the induction of apoptosis in macrophage by TNF-alpha. FAU - Acharya, A AU - Acharya A AD - School of Biotechnology, Banaras Hindu University, Varanasi, India. FAU - Singh, S M AU - Singh SM LA - eng PT - Journal Article PL - England TA - Int J Immunopathol Pharmacol JT - International journal of immunopathology and pharmacology JID - 8911335 EDAT- 2003/03/08 04:00 MHDA- 2003/03/08 04:00 CRDT- 2003/03/08 04:00 PHST- 2003/03/08 04:00 [pubmed] PHST- 2003/03/08 04:00 [medline] PHST- 2003/03/08 04:00 [entrez] AID - 2 [pii] AID - 10.1177/039463200101400102 [doi] PST - ppublish SO - Int J Immunopathol Pharmacol. 2001 Jan-Apr;14(1):5-10. doi: 10.1177/039463200101400102.