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Toll Like Receptors in Copd and Periodontal Disease-A Mini Review

[ Vol. 17 , Issue. 1 ]


Asha Ramesh* and Sheeja S. Varghese*   Pages 32 - 36 ( 5 )


Background: The innate immune response is the first line of defense against predatory pathogens and the Toll-Like Receptors (TLR) which have been identified from Drosophila melanogaster, forming the crux of the innate immune system.

Method: These pattern recognition receptors identify the Pathogen Associated Molecular Pattern (PAMP's) and elicit the specificity of the innate immune response towards the pathogen or the offending agent. The signaling cascade results in the production of proinflammatory cytokines and activation of the adaptive immune responses.

Observations: Chronic Obstructive Pulmonary Disease (COPD) and periodontitis are chronic inflammatory disorders which have a significant prevalence in the global population. The inflammatory and exacerbated immune response form a common pathway in the pathogenesis of both the diseases. The TLR mediated inflammatory cascade is believed to be responsible for the destructive host responses in periodontitis and COPD. The TLR's have been targeted in the therapeutics for diseases like HIV, Hepatitis-B, asthma etc.

Conclusion: This review intends to discuss the role of TLR's in the pathogenesis of COPD and periodontitis, as well as the therapeutic potential in both the chronic diseases.


Toll-like receptors, periodontitis, chronic obstructive pulmonary disease, toll-based therapeutics, pathogenesis associated molecular patter, innate immune response.


Department of Periodontics, Saveetha Dental College, Saveetha University, Chennai, Department of Periodontics, Saveetha Dental College, Saveetha University, Chennai

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