ReferenceID 5332
Uncovering the efficacy and mechanisms of Genkwa flos and bioactive ingredient genkwanin against L. monocytogenes infection
J Ethnopharmacol
Ethnopharmacological relevance: Genkwa flos (yuanhua in Chinese), the dried flower buds of the plant Daphne genkwa Siebold & Zucc., as a traditional herb widely used for the treatment of inflammation-related symptoms and
Relationship Network
Interactive first-hop connections across herbs, ingredients, formulas, targets, diseases, symptoms, syndromes, evidence, and monographs.
Click a node to open it in a new tab
Ingredient: 1Reference: 1Links: 1
Arranging relationship network...
Record Fields
Scalar fields from the final reference record.
- Reference Id
- 5332
- Evidence Id
- 21922
- Core Evidence Id
- 21922
- Source Reference Id
- 3918
- Herb2 Reference Id
- HBREF004715
- Subject Paper Key
- HBIN027475_35870686
- Pubmed Id
- 35870686
- Doi
- 10.1016/j.jep.2022.115571
- Paper Title
- Uncovering the efficacy and mechanisms of Genkwa flos and bioactive ingredient genkwanin against L. monocytogenes infection
- Paper Abstract
- Ethnopharmacological relevance: Genkwa flos (yuanhua in Chinese), the dried flower buds of the plant Daphne genkwa Siebold & Zucc., as a traditional herb widely used for the treatment of inflammation-related symptoms and diseases, with the efficacies of diuretic, phlegm-resolving and cough suppressant. Aim of the study: Traditional Chinese Medicine (TCM) is presumed to be of immense potential against pathogens infection. Whereas, the potential efficacy and mechanisms of Genkwa flos against L. monocytogenes infection has not been extensively explored. The present study aimed to identify the bioactive ingredients of Genkwa flos against L. monocytogenes infection and to delineate the underlying mechanisms of action. Materials and methods: Bioinformatics approach at protein network level was employed to investigate the therapeutic mechanisms of Genkwa flos against L. monocytogenes infection. And hemolysis inhibition assay, cytoprotection test, western blotting, oligomerization assay and molecular docking analysis were applied to substantiate the multiple efficacies of Genkwa flos and the bioactive ingredient genkwanin. Histopathological analysis and biochemistry detection were conducted to evaluate the in vivo protective effect of genkwanin. Results: Network pharmacology and experimental validation revealed that Traditional Chinese Medicine (TCM) Genkwa flos exhibited anti-L. monocytogenes potency and was found to inhibit the hemolytic activity of LLO. Bioactive ingredient genkwanin interfered with the pore-forming activity of LLO by engaging the active residues Tyr414, Tyr98, Asn473, Val100, Tyr440 and Val438, and thereby attenuated LLO-mediated cytotoxicity. Consistent with the bioinformatics prediction, exposed to genkwanin could upregulate the Nrf2 level and promote the translocation of Nrf2. In vivo, genkwanin oral administration (80 mg/kg) significantly protected against systemic L. monocytogenes infection, as evidenced by reduced myeloperoxidase (MPO) and malondialdehyde (MDA) levels, increased mice survival rate by 30% and decreased pathogen colonization. Conclusion: Our study demonstrated that Genkwa flos is a potential anti-L. monocytogenes TCM, highlighted the therapeutic potential of Genkwa flos active ingredient genkwanin by targeting the pore-forming cytolysin LLO and acting as a promising antioxidative candidate against L. monocytogenes infection.
- Journal
- J Ethnopharmacol
- Publish Year
- 2022
- Experiment Subject
- mouse
- Experiment Type
- Cell Experiment
- Phenotype Related
- Inflammation
- Paper Title Cn
- Paper Title En
- Uncovering the efficacy and mechanisms of Genkwa flos and bioactive ingredient genkwanin against L. monocytogenes infection
- Bilingual Status
- semi_complete