ArticleJournal of ethnopharmacology2016
Screening of soluble epoxide hydrolase inhibitory ingredients from traditional Chinese medicines for anti-inflammatory use.
Article in Journal of ethnopharmacology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Efficacy and Mechanism of Buxue Yimu Pills on Gynecological Anemia: A Combination of Clinical and Network Pharmacology Study.Chinese journal of integrative medicine · 2022Trial
- Soluble epoxide hydrolase inhibitory constituents from the Heartwood of Toxicodendron vernicifluum: isolation, kinetic characterization, molecular modeling, and quantitative analysis.Scientific reports · 2026Article
- Inhibitory Activity of Quaternary Isoquinoline Alkaloids on Soluble Epoxide Hydrolase.Current issues in molecular biology · 2022Article
- Therapeutic potential of mangiferin against kidney disorders and its mechanism of action: A review.Saudi journal of biological sciences · 2022Review
- Detoxification II Prescription Suppresses the Th-17/IL-17 Inflammatory Axis to Improve the Liver Function of ACLF-Rats via Inactivating the P38MAPK Pathway.Journal of healthcare engineering · 2021Article
- Small Molecule Soluble Epoxide Hydrolase Inhibitors in Multitarget and Combination Therapies for Inflammation and Cancer.Molecules (Basel, Switzerland) · 2020Review
- Identification of a Multicomponent Traditional Herbal Medicine by HPLC-MS and Electron and Light Microscopy.Molecules (Basel, Switzerland) · 2017Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
ethnopharmacological relevanceInhibition of soluble epoxide hydrolase (sEH) has been extensively reported to be anti-inflammatory in multiple animal models. Some anti-inflammatory traditional Chinese medicines (TCMs) and a few natural compounds were also found to be inhibitory to sEH in vitro. AIM OF THE STUDY: To determine whether the active intergradient (AI) against sEH of anti-inflammatory TCMs in vitro is anti-inflammatory in vivo and the sEH inhibitory action of the AI contributes to its anti-inflammatory effect in vivo. MATERIALS AND
methodsIn vitro inhibition assay of the sEH was conducted for the methanol and ethanol extracts of 27 anti-inflammatory TCMs. Two potent extracts were subject to further separation guided by bioassay to afford promising AI against sEH in vitro [Fr.5 of the crude ethanol extract of Rhizoma coptidis (FFCERC)]. Finally, the in vivo anti-inflammatory effect and sEH inhibitory potency of FFCERC was evaluated in a lipopolysacchride (LPS)-challenged murine model of acute systemic inflammation. The inflammatory status was characterized by the inflammatory cytokines TNF-α and interleukin-6 (IL-6) and sEH inhibitory function was evaluated by the plasma levels of epoxyeicosantrienoic acids (EETs) and dihydroxyeicosatrienoic acids (DHETs), which are the sEH mediated substrates and products, respectively.
resultsAt the concentration of 25µg/mL, the crude ethanol extracts of 6 TCMs including Herba Asari, Radix Polygalae, Fructus Amomi, Radix Astragali, Radix Scutellariae, and Rhizoma Coptidis were potent against sEH. The crude extracts of Herba Asari and Rhizoma Coptidis were selected for further separation to afford FFCERC as the most promising AI for in vivo evaluation. Oral administration of FFCERC attenuated the significant increase in TNF-α and IL-6 caused by LPS challenge in a dose-dependent manner. In parallel, oral administration of FFCERC shifted the changes in plasma levels of EETs and DHETs caused by LPS-challenge like a synthetic sEH inhibitor.
conclusionsA sEH inhibitory AI from Rhizoma Coptidis is anti-inflammatory and the inhibition of sEH contributes to this biological effect, indicating that sEH may be at least one of multiple therapeutic targets for relevant TCMs.
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