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Published on: July 26, 2017
Toll-Like Receptor Signaling Pathways: Novel Therapeutic Targets for Cerebrovascular Disorders
Rezan Ashayeri Ahmadabad1, Zahra Mirzaasgari1,2, Ali Gorji1,3,4,5,6
1Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran 1996835911, Iran.
Abstract:
Toll-like receptors (TLRs), a class of pattern recognition proteins, play an integral role in the modulation of systemic inflammatory responses. Cerebrovascular diseases (CVDs) are a group of pathological conditions that temporarily or permanently affect the brain tissue mostly via the decrease of oxygen and glucose supply. TLRs have a critical role in the activation of inflammatory cascades following hypoxic-ischemic events and subsequently contribute to neuroprotective or detrimental effects of CVD-induced neuroinflammation. The TLR signaling pathway and downstream cascades trigger immune responses via the production and release of various inflammatory mediators. The present review describes the modulatory role of the TLR signaling pathway in the inflammatory responses developed following various CVDs and discusses the potential benefits of the modulation of different TLRs in the improvement of functional outcomes after brain ischemia.
Insights
Toll-like receptors (TLRs) modulate inflammation in cerebrovascular diseases (CVDs). Targeting TLRs may offer neuroprotection and improve outcomes after brain ischemia by managing neuroinflammation.
Area of Science:
- Immunology
- Neuroscience
- Pathology
Background:
- Toll-like receptors (TLRs) are pattern recognition proteins crucial for regulating systemic inflammation.
- Cerebrovascular diseases (CVDs) involve brain tissue damage due to disrupted oxygen and glucose supply.
- TLRs are implicated in inflammatory responses following hypoxic-ischemic events in CVDs, influencing neuroprotection or damage.
Purpose of the Study:
- To review the role of TLR signaling pathways in inflammatory responses associated with CVDs.
- To explore the potential of modulating TLRs for improved functional outcomes after brain ischemia.
Main Methods:
- Literature review of studies on TLRs and CVDs.
- Analysis of TLR signaling pathways and downstream inflammatory mediators.
- Discussion of therapeutic potential of TLR modulation in neuroinflammation.
Main Results:
- TLRs significantly contribute to the inflammatory cascades in CVDs.
- TLR signaling activates immune responses through the release of inflammatory mediators.
- The effects of TLRs in CVDs can be either neuroprotective or detrimental.
Conclusions:
- Modulating TLR signaling pathways is a key factor in managing neuroinflammation in CVDs.
- Targeting specific TLRs presents a promising therapeutic strategy to enhance recovery and functional outcomes post-brain ischemia.
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