دورية أكاديمية

Ebola Entry Inhibitors Discovered from Maesa perlarius .

التفاصيل البيبلوغرافية
العنوان: Ebola Entry Inhibitors Discovered from Maesa perlarius .
المؤلفون: Tsang NY; Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong, China., Li WF; Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong, China., Varhegyi E; Department of Microbiology and Immunology, College of Medicine, University of Illinois Chicago, 909 South Wolcott Ave, Chicago, IL 60612, USA., Rong L; Department of Microbiology and Immunology, College of Medicine, University of Illinois Chicago, 909 South Wolcott Ave, Chicago, IL 60612, USA., Zhang HJ; Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong, China.
المصدر: International journal of molecular sciences [Int J Mol Sci] 2022 Feb 27; Vol. 23 (5). Date of Electronic Publication: 2022 Feb 27.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI, [2000-
مواضيع طبية MeSH: Catechin*/chemistry , Catechin*/pharmacology , Ebolavirus* , HIV Fusion Inhibitors*/pharmacology , Hemorrhagic Fever, Ebola*/drug therapy , Maesa*, Molecular Docking Simulation ; Plant Extracts/chemistry ; Plant Extracts/pharmacology
مستخلص: Ebola virus disease (EVD), a disease caused by infection with Ebola virus (EBOV), is characterized by hemorrhagic fever and a high case fatality rate. With limited options for the treatment of EVD, anti-Ebola viral therapeutics need to be urgently developed. In this study, over 500 extracts of medicinal plants collected in the Lingnan region were tested against infection with Ebola-virus-pseudotyped particles (EBOVpp), leading to the discovery of Maesa perlarius as an anti-EBOV plant lead. The methanol extract (MPBE) of the stems of this plant showed an inhibitory effect against EBOVpp, with an IC 50 value of 0.52 µg/mL, which was confirmed by testing the extract against infectious EBOV in a biosafety level 4 laboratory. The bioassay-guided fractionation of MPBE resulted in three proanthocyanidins (procyanidin B2 ( 1 ), procyanidin C1 ( 2 ), and epicatechin-(4 β →8)-epicatechin-(4 β →8)-epicatechin-(4β→8)-epicatechin ( 3 )), along with two flavan-3-ols ((+)-catechin ( 4 ) and (-)-epicatechin ( 5 )). The IC 50 values of the compounds against pseudovirion-bearing EBOV-GP ranged from 0.83 to 36.0 µM, with 1 as the most potent inhibitor. The anti-EBOV activities of five synthetic derivatives together with six commercially available analogues, including EGCG ((-)-epigallocatechin-3- O -gallate ( 8 )), were further investigated. Molecular docking analysis and binding affinity measurement suggested the EBOV glycoprotein could be a potential molecular target for 1 and its related compounds.
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معلومات مُعتمدة: HKBU 12103917 The Research Grants Council of the Hong Kong Special Administrative Region, China; HKBU 12103618 The Research Grants Council of the Hong Kong Special Administrative Region, China; AI77767 National Institutes of Health (NIH)
فهرسة مساهمة: Keywords: EGCG; Maesa perlarius; anti-Ebola virus activity; condensed tannin; flavan-3-ol; procyanidin
المشرفين على المادة: 0 (HIV Fusion Inhibitors)
0 (Plant Extracts)
8R1V1STN48 (Catechin)
تواريخ الأحداث: Date Created: 20220310 Date Completed: 20220408 Latest Revision: 20220408
رمز التحديث: 20240829
مُعرف محوري في PubMed: PMC8910447
DOI: 10.3390/ijms23052620
PMID: 35269770
قاعدة البيانات: MEDLINE