Journal of oral biosciences · 2020
Oral lichen planus: A chronic inflammatory model to study the regulation of the Toll-like receptor signaling in oral keratinocytes.
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Osorio-Osorno Yuliana Andrea, Parada-Sanchez Monica Tatiana, Arango Julian Camilo, Arboleda Toro David
Аннотация
BACKGROUND: Oral lichen planus (OLP) is a chronic inflammatory disease with a strong immune mechanism involved. Although no causal factor is identified in OLP, a cellular hypersensitivity has been associated with its pathophysiology. Furthermore, the chronicity of the disease could cause its malignant transformation.
HIGHLIGHT: Herein, we present a literature review focusing on the interrelationship of Toll-like receptors (TLRs) and OLP, mainly on the molecular behavior of oral keratinocytes once TLR signals are activated. A family of transcription factors, the Interferon Regulatory Factor (IRF) family, could be having a novel role in the prognosis of OLP. Specifically, Interferon Regulatory Factor 6 (IRF6) as a key component of the TLR signaling could impart specificity to downstream responses in oral keratinocytes.
CONCLUSION: We propose a hypothetical model after TLR2 activation in which a plausible TLR2-IRF6 regulatory mechanism could be a key factor to be evaluated in OLP as a convenient chronic inflammatory model. Further molecular studies are required to fully understand the role of oral keratinocytes in the initiation of OLP.
HIGHLIGHT: Herein, we present a literature review focusing on the interrelationship of Toll-like receptors (TLRs) and OLP, mainly on the molecular behavior of oral keratinocytes once TLR signals are activated. A family of transcription factors, the Interferon Regulatory Factor (IRF) family, could be having a novel role in the prognosis of OLP. Specifically, Interferon Regulatory Factor 6 (IRF6) as a key component of the TLR signaling could impart specificity to downstream responses in oral keratinocytes.
CONCLUSION: We propose a hypothetical model after TLR2 activation in which a plausible TLR2-IRF6 regulatory mechanism could be a key factor to be evaluated in OLP as a convenient chronic inflammatory model. Further molecular studies are required to fully understand the role of oral keratinocytes in the initiation of OLP.