Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline

ObjectiveOral submucous fibrosis (OSF) is a chronic oral mucosal disease, which exerts a profound impact on patients’ daily life and currently lacks efficacious therapeutic interventions. Epigallocatechin-3-gallate (EGCG), the abundant polyphenol found in green tea, exhibits remarkable anti-fibrotic...

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Main Authors: Ge Gao, Caipeng Lin, Ruibo Li, Xi Xie, Hai-Bin Luo
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Pharmacology
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Online Access:https://www.frontiersin.org/articles/10.3389/fphar.2025.1540559/full
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author Ge Gao
Ge Gao
Caipeng Lin
Caipeng Lin
Ruibo Li
Xi Xie
Hai-Bin Luo
Hai-Bin Luo
author_facet Ge Gao
Ge Gao
Caipeng Lin
Caipeng Lin
Ruibo Li
Xi Xie
Hai-Bin Luo
Hai-Bin Luo
author_sort Ge Gao
collection DOAJ
description ObjectiveOral submucous fibrosis (OSF) is a chronic oral mucosal disease, which exerts a profound impact on patients’ daily life and currently lacks efficacious therapeutic interventions. Epigallocatechin-3-gallate (EGCG), the abundant polyphenol found in green tea, exhibits remarkable anti-fibrotic effects on the skin. However, the research on OSF regarding EGCG is relatively limited.PurposeWe aimed to investigate the potential therapeutic effect of EGCG against OSF using an arecoline (ARE) -induced rat model and primary rat oral fibroblasts.MethodsPrimary rat oral mucosal fibroblasts (ROMF) were isolated and identified. Optimal ARE concentrations were established using the Cell Counting Kit-8. The impact of ARE on extracellular matrix (ECM)-related protein expression was assessed through RT-qPCR and Western blot techniques. Similarly, the effects of EGCG on ARE-induced ECM changes in ROMF were evaluated. The study also established an OSF model in Sprague-Dawley rats, induced by ARE, with pathological changes characterized using HE and Masson’s staining, further assessing the impact of ARE on ECM-related protein expression in rat oral tissues through RT-qPCR and Western blot methods.ResultsEGCG effectively suppressed the ARE-induced ECM components while concurrently improving the OSF pathological process in vitro and in vivo.ConclusionThe results indicate that the natural product EGCG effectively suppressed the increased ECM components induced by ARE and concurrently improved the OSF pathological process, indicating that EGCG could be potentially a novel anti-fibrotic candidate drug for the treatment of OSF.
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spelling doaj-art-6f883cfa5ddf42c880733899a0dbf8f52025-01-31T06:40:01ZengFrontiers Media S.A.Frontiers in Pharmacology1663-98122025-01-011610.3389/fphar.2025.15405591540559Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecolineGe Gao0Ge Gao1Caipeng Lin2Caipeng Lin3Ruibo Li4Xi Xie5Hai-Bin Luo6Hai-Bin Luo7Key Laboratory of Tropical Biological Resources of Ministry of Education and Hainan Engineering Research Center for Drug Screening and Evaluation, School of Pharmaceutical Sciences, Hainan University, Haikou, ChinaSchool of Life and Health Sciences, Hainan University, Haikou, ChinaKey Laboratory of Tropical Biological Resources of Ministry of Education and Hainan Engineering Research Center for Drug Screening and Evaluation, School of Pharmaceutical Sciences, Hainan University, Haikou, ChinaSchool of Life and Health Sciences, Hainan University, Haikou, ChinaKey Laboratory of Tropical Biological Resources of Ministry of Education and Hainan Engineering Research Center for Drug Screening and Evaluation, School of Pharmaceutical Sciences, Hainan University, Haikou, ChinaKey Laboratory of Tropical Biological Resources of Ministry of Education and Hainan Engineering Research Center for Drug Screening and Evaluation, School of Pharmaceutical Sciences, Hainan University, Haikou, ChinaKey Laboratory of Tropical Biological Resources of Ministry of Education and Hainan Engineering Research Center for Drug Screening and Evaluation, School of Pharmaceutical Sciences, Hainan University, Haikou, ChinaSong Li’s Academician Workstation of Hainan University (School of Pharmaceutical Sciences), Sanya, ChinaObjectiveOral submucous fibrosis (OSF) is a chronic oral mucosal disease, which exerts a profound impact on patients’ daily life and currently lacks efficacious therapeutic interventions. Epigallocatechin-3-gallate (EGCG), the abundant polyphenol found in green tea, exhibits remarkable anti-fibrotic effects on the skin. However, the research on OSF regarding EGCG is relatively limited.PurposeWe aimed to investigate the potential therapeutic effect of EGCG against OSF using an arecoline (ARE) -induced rat model and primary rat oral fibroblasts.MethodsPrimary rat oral mucosal fibroblasts (ROMF) were isolated and identified. Optimal ARE concentrations were established using the Cell Counting Kit-8. The impact of ARE on extracellular matrix (ECM)-related protein expression was assessed through RT-qPCR and Western blot techniques. Similarly, the effects of EGCG on ARE-induced ECM changes in ROMF were evaluated. The study also established an OSF model in Sprague-Dawley rats, induced by ARE, with pathological changes characterized using HE and Masson’s staining, further assessing the impact of ARE on ECM-related protein expression in rat oral tissues through RT-qPCR and Western blot methods.ResultsEGCG effectively suppressed the ARE-induced ECM components while concurrently improving the OSF pathological process in vitro and in vivo.ConclusionThe results indicate that the natural product EGCG effectively suppressed the increased ECM components induced by ARE and concurrently improved the OSF pathological process, indicating that EGCG could be potentially a novel anti-fibrotic candidate drug for the treatment of OSF.https://www.frontiersin.org/articles/10.3389/fphar.2025.1540559/fullepigallocatechin-3-gallategreen teaoral submucous fibrosisarecolineextracellular matrix
spellingShingle Ge Gao
Ge Gao
Caipeng Lin
Caipeng Lin
Ruibo Li
Xi Xie
Hai-Bin Luo
Hai-Bin Luo
Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline
Frontiers in Pharmacology
epigallocatechin-3-gallate
green tea
oral submucous fibrosis
arecoline
extracellular matrix
title Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline
title_full Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline
title_fullStr Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline
title_full_unstemmed Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline
title_short Epigallocatechin-3-gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline
title_sort epigallocatechin 3 gallate inhibits the collagen accumulation of oral submucous fibrosis induced by arecoline
topic epigallocatechin-3-gallate
green tea
oral submucous fibrosis
arecoline
extracellular matrix
url https://www.frontiersin.org/articles/10.3389/fphar.2025.1540559/full
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