1,4-Dichlorobenzene is commonly used as a space deodorant in toilets and for moth control. Because of its extensive production and use and the absence of carcinogenicity data, carcinogenesis studies were conducted by administering 1,4-dichlorobenzene (greater than 99% pure) in corn oil by gavage (5
We found that a novel protease inhibitor, benzyloxycarbonyl-Asp-CH2OC(O)-2,6-dichlorobenzene (Z-Asp-CH2-DCB), which can preferentially inhibit interleukin-1 beta-converting enzyme (ICE), completely blocked the apoptotic cell death of human myeloid leukemia U937 cells caused by etoposide,
In the present study, we investigated the effects of geranylgeraniol (GGO), a potent inducer of apoptosis in various lines of human tumor cells, on signal transduction cascades involved in apoptosis in human leukemia cells. GGO strongly induced the activation of c-Jun N-terminal kinase (JNK/SAPK)
Upon treatment with NO-releasing compounds such as S-nitrosoglutathione or spermine NO, human myeloid leukemia U937 cells undergo apoptosis. Early NO-mediated signals comprise activation of a Z-A-DCB (benzoyloxycarbonyl-Asp-CH2OC(O)-2,6-dichlorobenzene)-sensit ive, caspase-3 like cysteine protease
Upon treatment with various anticancer drugs, myeloid leukemia U937 cells undergo apoptosis. In this study, we found that either etoposide (VP-16) or camptothecin (CPT) activated c-Jun N-terminal kinase 1/stress-activated protein kinase (JNK1/SAPK), transient c-jun expression, and ICE
Some chemotherapeutic agents, as well as TNF and Fas, induce apoptotic cell death in tumor cells, but the cellular components involved in the process have not yet been identified. Interleukin 1 beta converting enzyme (ICE) is a mammalian homolog of CED-3, a protein required for programmed cell death
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