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Published on: July 26, 2017
Cytotoxic signal transduction pathways via TNF family receptors
I P Beletsky1, A B Moshnikova, O V Proussakova
1Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, ul. Institutskaya 3, Pushchino, Moscow Region, 142290 Russia. beletsky@venus.iteb.serpukhov.su
Abstract:
Studies indicating an important role of the TNF-receptor family in control of cell proliferation, differentiation, and death have drastically increased in number in recent years. The main function of many members of this family is cell death triggering, and this is apparently the only function for some of them. Studies on the molecular mechanisms of cell death activated by members of the TNF-receptor family revealed and identified proteins directly or indirectly associated with TNF receptors. Pathways of cytotoxic signal transduction by some members of the TNF-Rs family based on currently proven protein-protein interactions and the role of distinct proteins in these processes are summarized in this review.
Insights
The Tumor Necrosis Factor (TNF)-receptor superfamily plays a key role in regulating cell death. This review summarizes molecular mechanisms and protein interactions in TNF-receptor-mediated cytotoxic signaling pathways.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- The Tumor Necrosis Factor (TNF)-receptor superfamily is increasingly recognized for its critical roles in cellular processes.
- Many TNF-receptors are primarily involved in initiating programmed cell death (apoptosis).
Purpose of the Study:
- To review the molecular mechanisms underlying cell death triggered by TNF-receptors.
- To identify proteins associated with TNF-receptor signaling pathways.
- To summarize cytotoxic signal transduction pathways mediated by TNF-receptors.
Main Methods:
- Literature review of recent studies on TNF-receptor family.
- Analysis of molecular mechanisms of TNF-receptor-activated cell death.
- Identification of protein-protein interactions in TNF-receptor signaling.
Main Results:
- Numerous proteins directly or indirectly interact with TNF-receptors.
- Specific protein interactions mediate cytotoxic signal transduction.
- The roles of distinct proteins in these pathways have been elucidated.
Conclusions:
- TNF-receptor signaling is crucial for controlling cell fate.
- Understanding these pathways provides insights into cell death regulation.
- Further research into protein interactions can reveal therapeutic targets.
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