ReferenceID 909
MFE40-the active fraction of Mume Fructus alcohol extract-alleviates Crohn's disease and its complications
J Ethnopharmacol
Ethnopharmacological relevance: Mume Fructus (MF) is a well-known traditional Chinese medicine used to treat chronic cough, prolonged diarrhea, and other inflammation-related diseases. We previously confirmed the anti-co
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- Reference Id
- 909
- Evidence Id
- 17499
- Core Evidence Id
- 17499
- Source Reference Id
- 1800
- Herb2 Reference Id
- HBREF002597
- Subject Paper Key
- HERB005742_35718051
- Pubmed Id
- 35718051
- Doi
- 10.1016/j.jep.2022.115465
- Paper Title
- MFE40-the active fraction of Mume Fructus alcohol extract-alleviates Crohn's disease and its complications
- Paper Abstract
- Ethnopharmacological relevance: Mume Fructus (MF) is a well-known traditional Chinese medicine used to treat chronic cough, prolonged diarrhea, and other inflammation-related diseases. We previously confirmed the anti-colitis effect of its ethanol extract on a 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced Crohn's disease (CD) rat model. However, the active ingredients and underlying mechanisms of MF remain unknown. Aim of the study: To clarify the material basis and potential mechanism of the ethanol extract of MF (MFE) in alleviating CD and its complications, such as lung injury and intestinal obstruction. Materials and methods: MF was extracted with 80% ethanol aqueous solution and separated with 0, 40, and 100% ethanol aqueous solutions. MFE and its fractions were screened in a TNBS-induced CD rat model. For the bioactive fraction, the chemical composition was identified and quantified using ultrahigh-performance liquid chromatography coupled with diode-array detection and quadrupole time-of-flight tandem mass spectrometry. Interleukin (IL)-1β, IL-6, IL-17, transforming growth factor (TGF)-β, and lipopolysaccharide (LPS) levels in the colon, lungs, and/or plasma were detected using enzyme-linked immunosorbent assays. The expression levels of zonula occludens-1 (ZO-1) and occludin in the colon were measured using immunohistochemical staining, and the intestinal microbiota and short-chain fatty acid (SCFA) levels were analyzed using 16S rRNA gene sequencing and gas chromatography/mass spectrometry. Results: The 40% ethanol fraction of MF (MFE40), which mainly contained methyl citrate, ethyl citrate, and caffeoylquinic acid ethyl esters, was identified as the active fraction that could alleviate CD in rats. MFE40 could ameliorate inflammation and fibrosis in the colon and lung tissues by inhibiting the secretion of cytokines, such as IL-1β, IL-6, IL-17, and TGF-β, along with intestinal obstruction and lung injury in CD rats. The possible mechanisms of MFE40 were related to increased expression of ZO-1 and occludin in the colon, reduction in plasma LPS levels, and restoration of SCFAs via reduction in the relative abundance of Adlercreutzia, Clostridium_sensu_stricto_1, Erysipelatoclostridium, Faecalibaculum, norank_f_Erysipelotrichaceae, Phascolarctobacterium Coriobacteriaceae_UGG_002, and Allobaculum and increase in the relative abundance of Escherichia shigella, Christensenella, Acetivibrio_ethanolgignens, and Butyricicoccus. MFE40 had no significant influence on the inflammatory factors in healthy rats. Conclusions: Citrate esters and hydroxycinnamate esters are the main active constituents of MFE40. MFE40 exhibited a remission effect on CD rats and inhibited intestinal obstruction and lung injury via anti-inflammatory effects and regulation of the intestinal microbiota-gut-lung homeostasis.
- Journal
- J Ethnopharmacol
- Publish Year
- 2022
- Experiment Subject
- rat
- Experiment Type
- Animal Experiment
- Phenotype Related
- Lung Injury; Crohn's Disease; Inflammation-related Diseases; Intestinal Obstruction; Diarrhea; Chronic Cough; Fibrosis
- Paper Title Cn
- Paper Title En
- MFE40-the active fraction of Mume Fructus alcohol extract-alleviates Crohn's disease and its complications
- Bilingual Status
- semi_complete