Nuclear Factor-KappaB Modulation As a Therapeutic Approach in Hematologic Malignancies

Amit Panwalkar, Srdan Verstovsek, Francis Giles*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

80 Scopus citations

Abstract

Nuclear factor-kappaB (NF-κB) is a collective term that refers to a small class of dimeric transcription factors for a number of genes, including growth factors, angiogenesis modulators, cell-adhesion molecules, and antiapoptotic factors. Although most NF-κB proteins promote transcription, some act as inactivating or repressive complexes. The most common p50-RelA (p65) dimer known "specifically" as NF-κB, is relatively abundant, controls the expression of numerous genes, and exists as an inactive cytoplasmic complex bound to inhibitory proteins of the NF-κB inhibitor (IκB) family. The inactive NF-κB-IκB complex is activated by a variety of stimuli, including proinflammatory cytokines, mitogens, growth factors, and stress-inducing agents. The release of NF-κB facilitates its translocation to the nucleus, where it promotes cell survival by initiating the transcription of genes encoding stress-response enzymes, cell-adhesion molecules, proinflammatory cytokines, and antiapoptotic proteins. Constitutive activation of NF-κB in the nucleus is observed in some hematologic disorders. With the recent approval of bortezomib for patients with advanced multiple myeloma, NF-κB modulation is likely to be a therapeutic endeavor of increasing interest in coming years.

Original languageEnglish (US)
Pages (from-to)1578-1589
Number of pages12
JournalCancer
Volume100
Issue number8
DOIs
StatePublished - Apr 15 2004

Keywords

  • Bcl-3
  • Bortezomib
  • Hodgkin disease
  • Leukemia
  • Nuclear factor-kappaB
  • Nuclear factor-kappaB inhibitor

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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