Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Σάββατο 3 Νοεμβρίου 2018

Deregulated phospholipase D2/mammalian target of rapamycin/hypoxia-inducible factor 1 alpha in peripheral T lymphocytes of oral lichen planus correlated with disease severity

Publication date: Available online 3 November 2018

Source: Archives of Oral Biology

Author(s): Fang Wang, Jing Zhang, Gang Zhou

Abstract
Objective

Oral lichen planus (OLP) is a common T lymphocyte-mediated autoimmune disease of unknown etiology. The mammalian target of rapamycin (mTOR) can regulate proliferation, apoptosis, and autophagy of T lymphocytes, therefore impacting the T lymphocyte-mediated immunity. The present study was aimed to investigate the possible association between Akt/mTOR/4E-BP1 (eIF4E-binding protein 1) signaling, phospholipase D (PLD) and hypoxia-inducible factor 1 alpha (Hif-1α) in peripheral T lymphocytes of OLP and the correlation of their expression with the disease severity.

Design

RAE (reticular, atrophic and erosive lesion) scores were used to assess the disease severity of OLP. Akt, mTOR, 4E-BP1, PLD1, PLD2 and Hif-1α expression in peripheral T lymphocytes were measured by using quantitative real-time polymerase chain reaction. Associations of Akt/mTOR/4E-BP1 expression with PLD1, PLD2 and Hif-1α expression were also assessed, respectively. Moreover, correlations of their expression with RAE scores were analyzed.

Results

Expressions of mTOR, 4E-BP1, PLD2 and Hif-1α mRNA were significantly reduced in peripheral T lymphocytes of OLP patients, especially in erosive form. mTOR expression was positively correlated with PLD2 and Hif-1α expression in OLP. Moreover, mTOR, PLD2 and Hif-1α expression were negatively correlated with RAE scores, respectively.

Conclusions

Deregulated PLD2/mTOR/Hif-1α may contribute to the development of OLP and reflect the severity of the disease.



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