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Screening Bioactive Nanoparticles in Phagocytic Immune Cells for Inhibitors of Toll-like Receptor Signaling
Published on: July 26, 2017
The significance of toll-like receptors in human diseases
M T Montero Vega1, A de Andrés Martín
1Servicio de Bioquímica-Investigación, Madrid, Spain. teresa.montero@hrc.es
Abstract:
Toll-like receptors (TLRs) are a family of transmembrane receptors that have been preserved throughout evolution and which selectively recognize a broad spectrum of microbial components and endogenous molecules released by injured tissue. Identification of these ligands by TLRs triggers signalling pathways which lead to the expression of numerous genes involved in a defensive response. In mammals, the products of these genes initiate inflammation, coordinate the effector functions of innate immunity, instruct and modulate adaptive immunity and initiate tissue repair and regeneration. Different mutations and experimental models which alter TLR function have revealed the significance of these receptors in susceptibility to infection and their involvement in the pathogenesis of a large number of non-infective inflammatory disorders such as cancer, allergy, autoimmunity, inflammatory bowel disease, or atherosclerosis. TLRs are currently viewed as important targets for the development of new vaccines and innovative therapies to prevent and treat human diseases.
Insights
Toll-like receptors (TLRs) recognize microbial and tissue damage signals, initiating immune responses. Understanding TLRs is crucial for developing treatments for infections and inflammatory diseases like cancer and autoimmunity.
Area of Science:
- Immunology
- Molecular Biology
Background:
- Toll-like receptors (TLRs) are evolutionarily conserved transmembrane receptors.
- They recognize microbial components and endogenous danger signals.
- TLR activation triggers signaling pathways, leading to gene expression and immune responses.
Purpose of the Study:
- To highlight the critical role of TLRs in innate and adaptive immunity.
- To emphasize the involvement of TLRs in various non-infective inflammatory disorders.
- To underscore the therapeutic potential of targeting TLRs for human diseases.
Main Methods:
- Analysis of mutations and experimental models affecting TLR function.
- Review of existing literature on TLR signaling and disease pathogenesis.
Main Results:
- TLRs are essential for coordinating innate immunity, modulating adaptive immunity, and promoting tissue repair.
- Dysfunctional TLRs are implicated in susceptibility to infections.
- TLRs play a significant role in the pathogenesis of inflammatory conditions including cancer, allergy, autoimmunity, inflammatory bowel disease, and atherosclerosis.
Conclusions:
- TLRs are central regulators of immune responses and tissue homeostasis.
- Targeting TLRs offers promising avenues for novel vaccines and therapies.
- Further research into TLRs can lead to innovative treatments for a wide range of human diseases.
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