ArticleChinese journal of integrative medicine2023
Mechanism of Gentisic Acid on Rheumatoid Arthritis Based on miR-19b-3p/RAF1 Axis.
Article in Chinese journal of integrative medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 9 citations in OpenAlex.
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- Study on Potential Differentially Expressed Genes in Idiopathic Pulmonary Fibrosis by Bioinformatics and Next-Generation Sequencing Data Analysis.Biomedicines · 2023Article
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6 authors at 1 institution in 1 country.
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Abstract
objectiveTo investigate the therapeutic effect of gentisic acid (GA) on rheumatoid arthritis (RA) based on the miR-19b-3p/RAF1 axis.
methodsThe cell counting kit-8 method was used to detect the growth inhibitory effect of different concentrations of GA on MH7A cells, and the drug concentration of GA was determined in the experiment. The quantificational real-time polymerase chain reaction (qRT-PCR) was used to detect the expression of miR-19b-3p and RAF1. RAF1, extracellular regulated protein kinases1/2 (ERK1/2) and phospho-ERK1/2 (p-ERK1/2) were examined by Western blotting. Three methods (dual-luciferase assay, qRT-PCR and Western blot analysis) were used to verify miR-19b-3p targeting RAF1. Flow cytometry was performed to detect MH7A cell apoptosis. Transwell and wound healing assays were used to determine the invasion and migration capacities of MH7A cells.
resultsThe growth of MH7A cells was gradually inhibited with increasing GA concentration. When the GA concentration exceeded 80 mmol/L, GA was significantly cytotoxic to MH7A cells, so the half maximal inhibitory concentration of GA for MH7A cells was calculated as 67.019 mmol/L. GA upregulated miR-19b-3p expression, downregulated RAF1 expression, inhibited ERK1/2 phosphorylation, induced MH7A cell apoptosis and suppressed MH7A cell invasion and migration (P<0.05 or P<0.01). RAF1 was identified as the target of miR-19b-3p and reversed inhibitory effects on miR-19b-3p expression (P<0.05 or P<0.01). The miR-19b-3p inhibitor upregulated RAF1 expression and ERK1/2 phosphorylation, suppressed MH7A cell apoptosis and induced MH7A cell invasion and migration (P<0.01).
conclusionGA regulated miR-19b-3p/RAF1 axis to mediate ERK pathway and inhibit the development of RA.
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