The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.
Inhibition of NF-κB induces apoptosis of KSHV-infected primary effusion lymphoma cells
Abstract
Kaposi sarcoma–associated herpesvirus (KSHV), or human herpervirus 8 (HHV-8), is a γ-herpesvirus that infects human lymphocytes and is associated with primary effusion lymphoma (PEL). Currently, the role of viral infection in the transformation of PEL cells is unknown. One possibility is that KSHV, like the lymphotropic viruses Epstein-Barr virus (EBV) and human T-cell leukemia virus I (HTLV-I), activates the transcription factor NF-κB to promote survival and proliferation of infected lymphocytes. To examine this possibility, we assessed NF-κB activity in KSHV-infected PEL cell lines and primary tumor specimens by electrophoretic mobility shift assay (EMSA). We observed that NF-κB is constitutively activated in all KSHV-infected lymphomas, and consists of 2 predominant complexes, p65/p50 heterodimers and p50/p50 homodimers. Inhibition experiments demonstrated that Bay 11-7082, an irreversible inhibitor of IκBα phosphorylation, completely and specifically abrogated the NF-κB/DNA binding in PEL cells. PEL cells treated with Bay 11 demonstrated down-regulation of the NF-κB inducible cytokine interleukin 6 (IL-6), and apoptosis. These results suggest that NF-κB activity is necessary for survival of KSHV-infected lymphoma cells, and that pharmacologic inhibition of NF-κB may be an effective treatment for PEL.
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Cited by
Regulation and Function of NF-κB Transcription Factors in the Immune System
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NF-κB as a Therapeutic Target in Multiple Myeloma
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NF- B as a Critical Link Between Inflammation and Cancer
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Induction of Nod2 in Myelomonocytic and Intestinal Epithelial Cells via Nuclear Factor-κB Activation
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Aberrant NF-κB signaling in lymphoma: mechanisms, consequences, and therapeutic implications
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Metadata
- Authors
- Keller, S. A., Schattner, E. J., & Cesarman, E.
- Venue
- Blood
- Publisher
- American Society of Hematology
- Published
- 2000-10-01
- Volume
- 96
- Issue
- 7
- Pages
- 2537-2542
- ISSN
- 0006-4971 (ISSN-L)
- 1528-0020
- OpenAlex
- W1504653733
- Cited by
- 315
- References
- 38
- FWCI
- 5.13
- Type
- journal article
- Language
- en
- Open access
- closed
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