Journal of ethnopharmacology · 2021
Zuojin Pill ameliorates chronic atrophic gastritis induced by MNNG through TGF-β1/PI3K/Akt axis.
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Tong Yuling, Wang Ruilin, Liu Xia, Tian Miao, Wang Yanling, Cui Yanfei, Zou Wenjun, Zhao Yanling
Аннотация
ETHNOPHARMACOLOGICAL RELEVANCE: Zuojin Pill (ZJP) is a classic prescription composed of Coptis chinensis and Tetradium ruticarpum (A.Juss.) T.G.Hartley, which is often used in the treatment of digestive system diseases.
AIM OF THIS STUDY: The purpose of this study was to explore the therapeutic effect and potential mechanism of ZJP on chronic atrophic gastritis (CAG) induced by MNNG.
MATERIALS AND METHODS: The GES-1 and rat model of CAG was established by MNNG. Detection of cell viability, morphological changes and proliferation of GES-1 by CCK-8 and high content screening (HCS) assay. G-17, IL-8 and TNF-α in rat serum were detected by ELISA kit. The expression of related mRNA and protein on TGF-β1/PI3K/Akt signal axis were detected by RT-PCR and Western blot.
RESULTS: The results showed that ZJP could significantly improve the GES-1 damage induced by MNNG and improve the gastric histomorphology of CAG rats. The intervention of ZJP could significantly reduce the content of G-17 and inflammatory factors IL-8, TNF- α, IL-6 and IL-1β, inhibit the expression of TGF-β1, PI3K and their downstream signals p-Akt, p-mTOR, P70S6K, and promote the expression level of PTEN, LC3-II and Beclin-1.
CONCLUSION: ZJP has a good therapeutic effect on CAG induced by MNNG, which may be closely related to the inhibition of TGF-β1/PI3K/Akt signal pathway.
AIM OF THIS STUDY: The purpose of this study was to explore the therapeutic effect and potential mechanism of ZJP on chronic atrophic gastritis (CAG) induced by MNNG.
MATERIALS AND METHODS: The GES-1 and rat model of CAG was established by MNNG. Detection of cell viability, morphological changes and proliferation of GES-1 by CCK-8 and high content screening (HCS) assay. G-17, IL-8 and TNF-α in rat serum were detected by ELISA kit. The expression of related mRNA and protein on TGF-β1/PI3K/Akt signal axis were detected by RT-PCR and Western blot.
RESULTS: The results showed that ZJP could significantly improve the GES-1 damage induced by MNNG and improve the gastric histomorphology of CAG rats. The intervention of ZJP could significantly reduce the content of G-17 and inflammatory factors IL-8, TNF- α, IL-6 and IL-1β, inhibit the expression of TGF-β1, PI3K and their downstream signals p-Akt, p-mTOR, P70S6K, and promote the expression level of PTEN, LC3-II and Beclin-1.
CONCLUSION: ZJP has a good therapeutic effect on CAG induced by MNNG, which may be closely related to the inhibition of TGF-β1/PI3K/Akt signal pathway.
Предметные рубрики MeSH
AnimalsBeclin-1Cell LineCell ProliferationCell SurvivalChronic DiseaseDisease Models, AnimalDrugs, Chinese HerbalEpithelial CellsGastritis, AtrophicHumansInterleukin-1betaInterleukin-6Interleukin-8MaleMethylnitronitrosoguanidineMicrotubule-Associated ProteinsPTEN PhosphohydrolasePhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktRats, Sprague-DawleyRibosomal Protein S6 Kinases, 70-kDaSignal TransductionTransforming Growth Factor beta1Tumor Necrosis Factor-alphaRats