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