Toll-like receptors as therapeutic targets in cystic fibrosis
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Published on: July 4, 2018
Catherine M Greene1, Peter Branagan, Noel G McElvaney
1Beaumont Hospital, Education and Research Centre, Respiratory Research Division, Royal College of Surgeons in Ireland, 9 Dublin, Ireland. cmgreene@rcsi.ie
Background:
Toll-like receptors (TLRs) are pattern recognition receptors that act as a first-line of defence in the innate immune response by recognising and responding to conserved molecular patterns in microbial factors and endogenous danger signals. Cystic fibrosis (CF)-affected airways represent a milieu potentially rich in TLR agonists and the chronic inflammatory phenotype evident in CF airway epithelial cells is probably due in large part to activation of TLRs.
Objective/Methods:
To examine the prospects of developing novel therapies for CF by targeting TLRs. We outline the expression and function of TLRs and explore the therapeutic potential of naturally-occurring and synthetic TLR inhibitors for CF.
Results/Conclusion:
Modulation of TLRs has therapeutic potential for the inflammatory lung manifestations of CF.
Insights
Targeting Toll-like receptors (TLRs) offers potential new therapies for cystic fibrosis (CF) lung inflammation. Modulating TLRs may help manage the chronic inflammatory response in CF airways.
Area of Science:
- Immunology
- Pulmonology
- Pharmacology
Background:
- Toll-like receptors (TLRs) are key pattern recognition receptors in innate immunity.
- CF airways may contain abundant TLR agonists, driving chronic inflammation.
- TLR activation is implicated in the inflammatory phenotype of CF airway epithelial cells.
Purpose of the Study:
- To explore targeting Toll-like receptors (TLRs) for novel cystic fibrosis (CF) therapies.
- To review TLR expression and function in the context of CF.
- To assess the therapeutic potential of TLR inhibitors for CF.
Main Methods:
- Literature review of TLR expression and function.
- Exploration of naturally-occurring and synthetic TLR inhibitors.
- Analysis of therapeutic prospects for CF.
Main Results:
- Toll-like receptors (TLRs) play a significant role in the immune response within CF airways.
- Expression and function of TLRs are relevant to CF pathogenesis.
- Naturally-occurring and synthetic TLR inhibitors show promise.
Conclusions:
- Modulation of Toll-like receptors (TLRs) presents a viable therapeutic strategy for CF lung inflammation.
- Targeting TLRs could offer new avenues for treating inflammatory manifestations in cystic fibrosis.
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