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Published on: July 26, 2017
TLR10: Insights, controversies and potential utility as a therapeutic target
Si-Biao Su1, Lin Tao1, Ze-Ping Deng1
1Department of Gastroenterology, First Affiliated Hospital of Guangxi Medical University, Nanning, China.
Abstract:
The Toll-like receptor (TLR) family acts as a bridge connecting innate and acquired immunity. TLR10 remains one of the least understood members of this family. Some studies have examined TLR10 ligands, dimerization of TLR10 with other TLRs, and downstream signalling pathways and functions, but they have often arrived at conflicting conclusions. TLR10 can induce the production of proinflammatory cytokines by forming homodimers with itself or heterodimers with TLR1 or other TLRs, but it can also inhibit proinflammatory responses when co-expressed with TLR2 or potentially other TLRs. Mutations in the Toll/Interleukin 1 receptor (TIR) domain of TLR10 alter its signalling activity. Polymorphisms in the TLR10 gene can change the balance between pro- and anti-inflammatory responses and hence modulate the susceptibility to infection and autoimmune diseases. Understanding the full range of TLR10 ligands and functions may allow the receptor to be exploited as a therapeutic target in inflammation- or immune-related diseases. Here, we summarize recent findings on the pro- and anti-inflammatory roles of TLR10 and the molecular pathways in which it is implicated. Our goal is to pave the way for future studies of the only orphan TLR thought to have strong potential as a target in the treatment of inflammation-related diseases.
Insights
Toll-like receptor 10 (TLR10) exhibits dual roles in immunity, acting as both a pro- and anti-inflammatory mediator. Understanding its complex functions and signaling pathways is crucial for developing new therapies for immune and inflammatory diseases.
Area of Science:
- Immunology
- Molecular Biology
- Cell Signaling
Background:
- The Toll-like receptor (TLR) family is critical for innate and acquired immunity.
- Toll-like receptor 10 (TLR10) is poorly understood, with conflicting data on its functions.
- TLR10's role in immune responses is complex, potentially mediating both pro- and anti-inflammatory effects.
Purpose of the Study:
- To summarize recent findings on the dual pro- and anti-inflammatory roles of TLR10.
- To review the molecular pathways implicated in TLR10 signaling.
- To highlight TLR10's potential as a therapeutic target for inflammatory and immune-related diseases.
Main Methods:
- Review of existing literature on TLR10 ligands, dimerization, and signaling pathways.
- Analysis of studies investigating TLR10's effects on cytokine production.
- Examination of research on TLR10 gene polymorphisms and their impact on immune responses.
Main Results:
- TLR10 can induce pro-inflammatory cytokines via homodimers or heterodimers with TLR1.
- TLR10 can inhibit pro-inflammatory responses when co-expressed with TLR2.
- Mutations and polymorphisms in TLR10 affect its signaling and influence susceptibility to diseases.
Conclusions:
- TLR10 possesses a dual role in immune regulation, acting as both a pro- and anti-inflammatory receptor.
- Further research into TLR10's ligands and functions is needed to fully elucidate its mechanisms.
- TLR10 represents a promising therapeutic target for managing inflammatory and immune disorders.
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