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TWEAK and Fn14: new molecular targets for cancer therapy?
Jeffrey A Winkles1, Nhan L Tran, Michael E Berens
1Department of Surgery, University of Maryland Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, 21201, USA. jwinkles@som.umaryland.edu
Abstract:
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) is a member of the tumor necrosis factor (TNF) superfamily of structurally related cytokines. Full-length, membrane-anchored TWEAK can be found on the surface of many cell types and a smaller, biologically active form, generated via proteolytic processing, has also been detected in the extracellular milieu. TWEAK acts via binding to a recently identified TNF receptor superfamily member named fibroblast growth factor-inducible 14 (Fn14). It has been demonstrated that TWEAK binding to the Fn14 receptor, or constitutive Fn14 overexpression, activates the nuclear factor-kappaB signaling pathway, which is known to play an important role in immune and inflammatory processes, oncogenesis, and cancer therapy resistance. In this article, we review recent studies indicating that TWEAK and Fn14 may be potential regulators of human tumorigenesis.
Insights
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) and its receptor fibroblast growth factor-inducible 14 (Fn14) may regulate human tumorigenesis. Their interaction activates pathways involved in cancer development and resistance.
Area of Science:
- Immunology
- Molecular Biology
- Oncology
Background:
- Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) is a cytokine in the TNF superfamily.
- TWEAK exists as membrane-anchored and soluble forms, interacting with the fibroblast growth factor-inducible 14 (Fn14) receptor.
- The TWEAK-Fn14 axis influences critical cellular processes.
Purpose of the Study:
- To review recent studies on the role of TWEAK and Fn14 in human tumorigenesis.
- To explore the implications of TWEAK-Fn14 signaling in cancer.
- To highlight potential therapeutic targets in cancer treatment.
Main Methods:
- Review of recent scientific literature.
- Analysis of studies investigating TWEAK and Fn14 signaling pathways.
- Examination of the role of nuclear factor-kappaB activation.
Main Results:
- TWEAK binding to Fn14 activates the nuclear factor-kappaB (NF-κB) signaling pathway.
- NF-κB is implicated in immune responses, inflammation, oncogenesis, and cancer therapy resistance.
- Evidence suggests TWEAK and Fn14 are potential regulators of human tumor development.
Conclusions:
- The TWEAK-Fn14 pathway is a significant factor in human tumorigenesis.
- Targeting the TWEAK-Fn14 axis may offer novel strategies for cancer therapy.
- Further research is warranted to fully elucidate the role of TWEAK and Fn14 in cancer.
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