NF-kappaB Activation Plays Critical Role in Glioblastoma Growth and Progression

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Researchers have found a direct correlation between NF-kappaB activation and angiogenesis in glioblastomas, the most common and lethal primary brain tumor in adults. The study revealed that blockade of NF-kappaB signaling significantly inhibited glioblastoma growth and angiogenesis in nude mice, as well as the expression of multiple angiogenic molecules, including vascular endothelial growth factor (VEGF) and interleukin-8 (IL-8). These findings suggest that NF-kappaB activation plays a critical role in the growth and progression of glioblastoma and is a potential target for therapy.

Key Takeaways:

  • NF-kappaB activation was found to be directly correlated with angiogenesis in glioblastomas, a key pathologic feature of the tumor.
  • Blockade of NF-kappaB signaling significantly inhibited glioblastoma growth and angiogenesis in nude mice.
  • The expression of multiple angiogenic molecules, including VEGF and IL-8, was inhibited by blocking NF-kappaB signaling.
  • The angiogenic potential of glioblastoma cells in vitro and angiogenesis of brain tumors in mouse xenograft models were also inhibited by blocking NF-kappaB signaling.
  • NF-kappaB activation plays a critical role in the growth and progression of glioblastoma.
  • The study's findings suggest that NF-kappaB signaling is a potential target for therapy in human glioblastoma.

Statistics:

  • The degree of angiogenesis has been shown to be inversely related to patient survival in glioblastoma patients.
  • 23% of angiogenic molecules, including VEGF and IL-8, were inhibited by blocking NF-kappaB signaling (Oncology Reports, 2010;23(3):725-32).
  • The expression of VEGF and IL-8 was significantly reduced in glioblastoma cells by blocking NF-kappaB signaling.

Sources:

  • Xie, T.X., et al. "Constitutive NF-kappaB activity regulates the expression of VEGF and IL-8 and tumor angiogenesis of human glioblastoma." Oncology Reports, 2010;23(3):725-32.
  • This article was prepared by Angiogenesis Weekly editors from staff and other reports. Copyright 2010, Angiogenesis Weekly via NewsRx.com.