Targeting KSHV/HHV-8 Latency with COX-2 Selective Inhibitor Nimesulide: A Potential Chemotherapeutic Modality for Primary Effusion Lymphoma
2011

Nimesulide as a Potential Treatment for Primary Effusion Lymphoma

publication Evidence: moderate

Author Information

Author(s): George Paul Arun Sharma-Walia, Neelam Chandran, B. C. Chandran

Primary Institution: H. M. Bligh Cancer Research Laboratories, Department of Microbiology and Immunology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, United States of America

Hypothesis

Understanding the role of COX-2 in PEL might lead to identifying new drug targets for treatment.

Conclusion

Nimesulide shows promise as a chemotherapeutic agent against primary effusion lymphoma by inducing cell death and disrupting viral latency.

Supporting Evidence

  • Nimesulide induced sustained cell death and G1 arrest in BCBL-1 cells.
  • Nimesulide reduced KSHV latent gene expression and disrupted p53-LANA-1 protein complexes.
  • Nimesulide down-regulated cell survival kinases and angiogenic factors.
  • Nimesulide treatment blocked KSHV latency genes and induced apoptosis.

Takeaway

Nimesulide, a common pain reliever, might help treat a type of cancer linked to a virus by stopping the cancer cells from growing.

Methodology

The study used various human lymphoma cell lines to assess the effects of nimesulide on cell proliferation, apoptosis, and gene expression.

Limitations

The study primarily used cell lines, which may not fully represent the complexity of human disease.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0024379

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