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Cytocidal effect of interleukin 1 (IL-1) on HeLa cells is mediated by both soluble and transmembrane tumor necrosis factor (TNF). 2008

Małgorzata Doszczak, and Arkadiusz Pierzchalski, and Jolanta Grzenkowicz, and Grzegorz Stasiłojć, and Jacek J Bigda
Cell Biology Unit, Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology, Medical University of Gdańsk, ul. Dębinki 1, 80-210 Gdańsk, Poland.

Interleukin 1 (IL-1) is a pleiotropic cytokine able to induce cytocidal effect. The aim of the presented work was to analyze the mechanism of IL-1-induced cytocidal effect in HeLa cells in the presence of cycloheximide (CHX). We found that the pattern of IL-1-induced cell death shares significant similarities with the effect of tumor necrosis factor (TNF) in these cells. Subsequently, we identified IL-1 cytotoxicity as an indirect effect. The supernatant collected from the cells treated with IL-1 and CHX showed toxic activity towards IL-1-resistant while TNF-sensitive A9 cells. Furthermore, antibodies neutralizing TNF blocked HeLa cell death induced by IL-1/CHX. TNF was then detected in HeLa cells by means of flow cytometry, fluorescence microscopy and ELISA of detergent-soluble cell extracts. In the presence of an inhibitor of TNF sheddase (TACE), the cytotoxic effect of IL-1/CHX and the amount of TNF protein in detergent-soluble cell extracts were enhanced. These results suggest that in response to interleukin 1/CHX, the amount of transmembrane TNF is increased. Taken together, we demonstrated that the mechanism of IL-1 cytotoxic activity in HeLa cells in the presence of CHX depends on the function of soluble and transmembrane TNF.

UI MeSH Term Description Entries
D007375 Interleukin-1 A soluble factor produced by MONOCYTES; MACROPHAGES, and other cells which activates T-lymphocytes and potentiates their response to mitogens or antigens. Interleukin-1 is a general term refers to either of the two distinct proteins, INTERLEUKIN-1ALPHA and INTERLEUKIN-1BETA. The biological effects of IL-1 include the ability to replace macrophage requirements for T-cell activation. IL-1,Lymphocyte-Activating Factor,Epidermal Cell Derived Thymocyte-Activating Factor,Interleukin I,Macrophage Cell Factor,T Helper Factor,Epidermal Cell Derived Thymocyte Activating Factor,Interleukin 1,Lymphocyte Activating Factor
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D002583 Uterine Cervical Neoplasms Tumors or cancer of the UTERINE CERVIX. Cancer of Cervix,Cancer of the Cervix,Cancer of the Uterine Cervix,Cervical Cancer,Cervical Neoplasms,Cervix Cancer,Cervix Neoplasms,Neoplasms, Cervical,Neoplasms, Cervix,Uterine Cervical Cancer,Cancer, Cervical,Cancer, Cervix,Cancer, Uterine Cervical,Cervical Cancer, Uterine,Cervical Cancers,Cervical Neoplasm,Cervical Neoplasm, Uterine,Cervix Neoplasm,Neoplasm, Cervix,Neoplasm, Uterine Cervical,Uterine Cervical Cancers,Uterine Cervical Neoplasm
D003601 Cytotoxicity Tests, Immunologic The demonstration of the cytotoxic effect on a target cell of a lymphocyte, a mediator released by a sensitized lymphocyte, an antibody, or complement. AHG-CDC Tests,Anti-Human Globulin Complement-Dependent Cytotoxicity Tests,Microcytotoxicity Tests,Anti Human Globulin Complement Dependent Cytotoxicity Tests,Anti-Human Globulin Complement-Dependent Cytotoxicity Test,Antiglobulin-Augmented Lymphocytotoxicity Test,Antiglobulin-Augmented Lymphocytotoxicity Tests,Cytotoxicity Test, Immunologic,Cytotoxicity Tests, Anti-Human Globulin Complement-Dependent,Cytotoxicity Tests, Immunological,Immunologic Cytotoxicity Test,Immunologic Cytotoxicity Tests,Lymphocytotoxicity Test, Antiglobulin-Augmented,Lymphocytotoxicity Tests, Antiglobulin-Augmented,Microcytotoxicity Test,AHG CDC Tests,AHG-CDC Test,Anti Human Globulin Complement Dependent Cytotoxicity Test,Antiglobulin Augmented Lymphocytotoxicity Test,Antiglobulin Augmented Lymphocytotoxicity Tests,Cytotoxicity Test, Immunological,Cytotoxicity Tests, Anti Human Globulin Complement Dependent,Immunological Cytotoxicity Test,Immunological Cytotoxicity Tests,Lymphocytotoxicity Test, Antiglobulin Augmented,Lymphocytotoxicity Tests, Antiglobulin Augmented
D005260 Female Females
D006367 HeLa Cells The first continuously cultured human malignant CELL LINE, derived from the cervical carcinoma of Henrietta Lacks. These cells are used for, among other things, VIRUS CULTIVATION and PRECLINICAL DRUG EVALUATION assays. Cell, HeLa,Cells, HeLa,HeLa Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D048069 Tumor Necrosis Factors A family of proteins that were originally identified by their ability to cause NECROSIS of NEOPLASMS. Their necrotic effect on cells is mediated through TUMOR NECROSIS FACTOR RECEPTORS which induce APOPTOSIS. TNF Receptor Ligands,Tumor Necrosis Factor Superfamily Ligands,Necrosis Factors, Tumor,Receptor Ligands, TNF
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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