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Nessa S, Lavanya S, Routray RK, Chaurasiya A, Kulkarni OP, Begum AS. Anti-rheumatoid arthritis potential of Halodule pinifolia: development, characterization and in vivo evaluation of H. pinifolia-based oral suspension and lipid nano-emulsion. Inflammopharmacology 2024; 32:1203-1223. [PMID: 38451395 DOI: 10.1007/s10787-024-01431-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 01/07/2024] [Indexed: 03/08/2024]
Abstract
For treating chronic diseases like rheumatoid arthritis, herbal medicines are preferred due to their evident therapeutic effects and lesser side effects as compared to the long-term used conventional drugs. In this study, the anti-rheumatoid arthritis effect of an unexplored marine grass Halodule pinifolia (HP), and a combination of it with Glycyrrhiza glabra (liquorice; LQ), prepared as a conventional suspension (C1) and a lipid nano-emulsion (C1-N) was evaluated in Freund's complete adjuvant (FCA)- and collagen-induced arthritis (CIA) models. Formulations C1 and C1-N contained standardized extract HP (100 mg/kg) as major active ingredient and liquorice LQ (50 mg/kg) as both active ingredient (anti-inflammatory and anti-ulcer) and sweetening agent. Oral administration of HP and C1 to FCA-induced Sprague-Dawley rats significantly reduced the paw oedema, spleen index, controlled the haematological parameters, cytokine levels (IL-1β, IL-6, TNF-α estimated by ELISA), mRNA expression of cytokines and osteoclast markers (RANK, TRAP and cathepsin K measured by RTPCR). Histopathology and radiological scanning demonstrated lesser joint deterioration in sample-treated rats, as evident phenotypically. The downregulation of CD51 and MMP-3 (western blot) corroborated the anti-arthritic effect of HP and C1. HP showed better results among all. Further, under the CIA model, both C1 and C1-N were found to be potentially active as evidenced by their effect on rat paw oedema, spleen index, haematological parameters, rheumatoid factor, cytokines, osteoclast markers, histology and X-rays. The results proved the anti-arthritic effect of HP and the formulations, particularly the lipid nano-emulsion that showed improved stability as well as activity.
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Affiliation(s)
- Samun Nessa
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Hyderabad, Telangana, 500078, India
| | - S Lavanya
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Hyderabad, Telangana, 500078, India
| | - Rajesh K Routray
- Department of Periodontics, Army College of Dental Sciences, Secunderabad, Telangana, 500087, India
| | - Akash Chaurasiya
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Hyderabad, Telangana, 500078, India
| | - Onkar P Kulkarni
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Hyderabad, Telangana, 500078, India
| | - A Sajeli Begum
- Department of Pharmacy, Birla Institute of Technology and Science, Pilani Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Hyderabad, Telangana, 500078, India.
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Governa P, Romagnoli G, Albanese P, Rossi F, Manetti F, Biagi M. Effect of in vitro simulated digestion on the anti- Helicobacter Pylori activity of different Propolis extracts. J Enzyme Inhib Med Chem 2023; 38:2183810. [PMID: 36916299 PMCID: PMC10026752 DOI: 10.1080/14756366.2023.2183810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023] Open
Abstract
Helicobacter pylori (HP) is among the most common pathogens causing infection in humans worldwide. Oxidative stress and gastric inflammation are involved in the progression of HP-related gastric diseases, and they can be targeted by integrating conventional antibiotic treatment with polyphenol-enriched natural products. In this work, we characterised three different propolis extracts and evaluated their stability under in vitro simulated gastric digestion, compared to their main constituents alone. The extract with the highest stability to digestion (namely, the dark propolis extract, DPE) showed a minimum bactericidal concentration (MBC) lower than 1 mg/mL on HP strains with different virulence factors. Finally, since urease is one of the virulence factors contributing to the establishment of a microenvironment that promotes HP infection, we evaluated the possible inhibition of this enzyme by using molecular docking simulations and in vitro colorimetric assay, showing that galangin and pinocembrin may be involved in this activity.
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Affiliation(s)
- Paolo Governa
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Giulia Romagnoli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Paola Albanese
- Department of Physical Sciences, Earth and Environment, University of Siena, Siena, Italy
| | - Federico Rossi
- Department of Physical Sciences, Earth and Environment, University of Siena, Siena, Italy
| | - Fabrizio Manetti
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Marco Biagi
- Department of Physical Sciences, Earth and Environment, University of Siena, Siena, Italy
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Al-Rajhi AMH, Qanash H, Bazaid AS, Binsaleh NK, Abdelghany TM. Pharmacological Evaluation of Acacia nilotica Flower Extract against Helicobacter pylori and Human Hepatocellular Carcinoma In Vitro and In Silico. J Funct Biomater 2023; 14:jfb14040237. [PMID: 37103327 PMCID: PMC10143343 DOI: 10.3390/jfb14040237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/16/2023] [Accepted: 04/19/2023] [Indexed: 04/28/2023] Open
Abstract
The resistance of cancer and Helicobacter pylori to several drugs reflects a worldwide problem, and it has been the intention of numerous researchers to overcome this problem. Thus, in this study, Acacia nilotica fruits were subjected to HPLC analysis to detect their phenolic compounds and flavonoids. Moreover, A. nilotica's anti-H. pylori activity and its inhibitory activity against human hepatocellular carcinoma (HepG-2 cells) were reported. Various compounds with different concentrations, such as ferulic acid (5451.04 µg/mL), chlorogenic acid (4572.26 µg/mL), quercetin (3733.37 µg/mL), rutin (2393.13 µg/mL), gallic acid (2116.77 µg/mL), cinnamic acid (69.72 µg/mL), hesperetin (121.39 µg/mL) and methyl gallate (140.45 µg/mL), were detected. Strong anti-H. pylori activity at 31 mm was reported, compared to the positive control of the 21.67 mm inhibition zone. Moreover, the MIC and MBC were 7.8 µg/mL and 15.62 µg/mL, respectively, while the MIC and MBC of the positive control were 31.25 µg/mL. The concentration of MBC at 25%, 50% and 75% reflected H. pylori's anti-biofilm activity of 70.38%, 82.29% and 94.22%, respectively. Good antioxidant properties of the A. nilotica flower extract were documented at 15.63, 62.50, 250 and 1000 µg/mL, causing the DPPH scavenging percentages of 42.3%, 52.6%, 65.5% and 80.6%, respectively, with a IC50 of 36.74 µg/mL. HepG-2 cell proliferation was inhibited (91.26%) using 500 µg/mL of flower extract with an IC50 of 176.15 µg/mL, compared to an IC50 of 395.30 µg/mL used against human normal melanocytes. Molecular docking was applied to investigate ferulic acid with the H. pylori (4HI0) crystal structure to determine the best binding mode that interacted most energetically with the binding sites. Molecular docking indicated that ferulic acid was a proper inhibitor for the 4HI0 protein enzyme of H. pylori. A low energy score (-5.58 Kcal/mol) was recorded as a result of the interaction of ferulic acid with the residue's SER 139 active site caused by the O 29 atom, which was important for its antibacterial activity.
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Affiliation(s)
- Aisha M H Al-Rajhi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Husam Qanash
- Department of Medical Laboratory Science, College of Applied Medical Sciences, University of Ha'il, P.O. Box 84428, Hail 55476, Saudi Arabia
| | - Abdulrahman S Bazaid
- Department of Medical Laboratory Science, College of Applied Medical Sciences, University of Ha'il, P.O. Box 84428, Hail 55476, Saudi Arabia
| | - Naif K Binsaleh
- Department of Medical Laboratory Science, College of Applied Medical Sciences, University of Ha'il, P.O. Box 84428, Hail 55476, Saudi Arabia
| | - Tarek M Abdelghany
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo 11725, Egypt
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Grossman S, Fishwick CWG, McPhillie MJ. Developments in Non-Intercalating Bacterial Topoisomerase Inhibitors: Allosteric and ATPase Inhibitors of DNA Gyrase and Topoisomerase IV. Pharmaceuticals (Basel) 2023; 16:261. [PMID: 37259406 PMCID: PMC9964621 DOI: 10.3390/ph16020261] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 10/15/2023] Open
Abstract
Increases in antibiotic usage and antimicrobial resistance occurrence have caused a dramatic reduction in the effectiveness of many frontline antimicrobial treatments. Topoisomerase inhibitors including fluoroquinolones are broad-spectrum antibiotics used to treat a range of infections, which stabilise a topoisomerase-DNA cleavage complex via intercalation of the bound DNA. However, these are subject to bacterial resistance, predominantly in the form of single-nucleotide polymorphisms in the active site. Significant research has been undertaken searching for novel bioactive molecules capable of inhibiting bacterial topoisomerases at sites distal to the fluoroquinolone binding site. Notably, researchers have undertaken searches for anti-infective agents that can inhibit topoisomerases through alternate mechanisms. This review summarises work looking at the inhibition of topoisomerases predominantly through non-intercalating agents, including those acting at a novel allosteric site, ATPase domain inhibitors, and those offering unique binding modes and mechanisms of action.
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Affiliation(s)
- Scott Grossman
- School of Chemistry, University of Leeds, Leeds LS2 9JT, UK
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Zhang J, Wu X, Zhong B, Liao Q, Wang X, Xie Y, He X. Review on the Diverse Biological Effects of Glabridin. Drug Des Devel Ther 2023; 17:15-37. [PMID: 36647530 PMCID: PMC9840373 DOI: 10.2147/dddt.s385981] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Glabridin is a prenylated isoflavan from the roots of Glycyrrhiza glabra Linne and has posed great impact on the areas of drug development and medicine, due to various biological properties such as anti-inflammation, anti-oxidation, anti-tumor, anti-microorganism, bone protection, cardiovascular protection, neuroprotection, hepatoprotection, anti-obesity, and anti-diabetes. Many signaling pathways, including NF-κB, MAPK, Wnt/β-catenin, ERα/SRC-1, PI3K/AKT, and AMPK, have been implicated in the regulatory activities of glabridin. Interestingly, glabridin has been considered as an inhibitor of tyrosinase, P-glycoprotein (P-gp), and CYP2E1 and an activator of peroxisome proliferator-activated receptor γ (PPARγ), although their molecular regulating mechanisms still need further investigation. However, poor water solubility and low bioavailability have greatly limited the clinical applications of glabridin. Hopefully, several effective strategies, such as nanoemulsions, microneedles, and smartPearls formulation, have been developed for improvement.
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Affiliation(s)
- Jianhong Zhang
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China,Ganzhou Key Laboratory of Hepatocellular Carcinoma, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China
| | - Xinhui Wu
- Department of General Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China
| | - Baiyin Zhong
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China
| | - Qicheng Liao
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China
| | - Xin Wang
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China
| | - Yuankang Xie
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China
| | - Xiao He
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People’s Republic of China,Correspondence: Xiao He, Email
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Wang Q, Yao C, Li Y, Luo L, Xie F, Xiong Q, Feng P. Effect of polyphenol compounds on Helicobacter pylori eradication: a systematic review with meta-analysis. BMJ Open 2023; 13:e062932. [PMID: 36604137 PMCID: PMC9827256 DOI: 10.1136/bmjopen-2022-062932] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
OBJECTIVES Polyphenol compounds are classified as organic compounds with phenolic units exhibiting a variety of biological functions. This meta-analysis aims to assess the efficacy and safety of polyphenol compounds (curcumin, cranberry, garlic, liquorice and broccoli) in eradicating Helicobacter pylori. DESIGN Systematic review and meta-analysis. METHODS Literature searches were conducted on PubMed, Embase, The Cochrane Library, Web of Science, Medline, Chinese National Knowledge Infrastructure database, Chinese Scientific Journal Database and Wan Fang database from inception to January 2022. All randomised controlled trials comparing polyphenol compounds with the placebo or used as an adjunct treatment are included in this meta-analysis.The treatment effect for dichotomous outcomes was assessed using risk ratio (RR), while for continuous outcomes, mean differences both with 95% CIs, were used. Subgroup analyses were carried out for different treatment schemes and polyphenol compound species. RESULTS 12 trials were included in the meta-analysis. The total eradication rate of H.pylori in the polyphenol compounds group was higher than in the group without polyphenol compounds. Statistical significance was also observed (RR 1.19, 95% CI 1.03 to 1.38, p=0.02). The most frequent adverse effects of polyphenol compounds included diarrhoea, headache and vomiting. However, there were no differences regarding side effects between the two groups (RR 1.47, 95% CI 0.83 to 2.58, p=0.18). In subgroup analyses, the H.pylori eradication rate regimens with polyphenols therapy was superior to that of regimens without polyphenols therapy in the polyphenols versus placebo subgroup (RR 4.23, 95% CI 1.38 to 12.95, p=0.01), polyphenols plus triple therapy versus triple therapy subgroup (RR 1.11, 95% CI 1.01 to 1.22, p=0.03). CONCLUSION Polyphenol compounds can improve H.pylori eradication rates. Polyphenol compounds plus standard triple therapy can significantly improve the eradication. However, no evidence of a higher incidence of side effects could be found. PROSPERO REGISTRATION NUMBER CRD42022307477.
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Affiliation(s)
- Qiuxiang Wang
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Affiliated hospital of Chengdu university of traditional Chinese medicine, Chengdu, Sichuan, China
- Department of traditional Chinese medicine, The Central Hospital of Guangyuan City, Guangyuan, Sichuan, China
| | - Chengjiao Yao
- Department of Geriatrics, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Yilin Li
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Affiliated hospital of Chengdu university of traditional Chinese medicine, Chengdu, Sichuan, China
| | - Lihong Luo
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Affiliated hospital of Chengdu university of traditional Chinese medicine, Chengdu, Sichuan, China
| | - Fengjiao Xie
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Affiliated hospital of Chengdu university of traditional Chinese medicine, Chengdu, Sichuan, China
| | - Qin Xiong
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Affiliated hospital of Chengdu university of traditional Chinese medicine, Chengdu, Sichuan, China
| | - Peimin Feng
- Affiliated hospital of Chengdu university of traditional Chinese medicine, Chengdu, Sichuan, China
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Deng P, Liang H, Wang S, Hao R, Han J, Sun X, Pan X, Li D, Wu Y, Huang Z, Xue J, Chen Z. Combined metabolomics and network pharmacology to elucidate the mechanisms of Dracorhodin Perchlorate in treating diabetic foot ulcer rats. Front Pharmacol 2022; 13:1038656. [PMID: 36532755 PMCID: PMC9752146 DOI: 10.3389/fphar.2022.1038656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 10/31/2022] [Indexed: 10/10/2023] Open
Abstract
Background: Diabetic foot ulcer (DFU) is a severe chronic complication of diabetes, that can result in disability or death. Dracorhodin Perchlorate (DP) is effective for treating DFU, but the potential mechanisms need to be investigated. We aimed to explore the mechanisms underlying the acceleration of wound healing in DFU by the topical application of DP through the combination of metabolomics and network pharmacology. Methods: A DFU rat model was established, and the rate of ulcer wound healing was assessed. Different metabolites were found in the skin tissues of each group, and MetaboAnalyst was performed to analyse metabolic pathways. The candidate targets of DP in the treatment of DFU were screened using network pharmacology. Cytoscape was applied to construct an integrated network of metabolomics and network pharmacology. Moreover, the obtained hub targets were validated using molecular docking. After the topical application of DP, blood glucose, the rate of wound healing and pro-inflammatory cytokine levels were assessed. Results: The levels of IL-1, hs-CRP and TNF-α of the Adm group were significantly downregulated. A total of 114 metabolites were identified. These could be important to the therapeutic effects of DP in the treatment of DFU. Based on the network pharmacology, seven hub genes were found, which were partially consistent with the metabolomics results. We focused on four hub targets by further integrated analysis, namely, PAH, GSTM1, DHFR and CAT, and the crucial metabolites and pathways. Molecular docking results demonstrated that DP was well combined with the hub targets. Conclusion: Our research based on metabolomics and network pharmacology demonstrated that DP improves wound healing in DFU through multiple targets and pathways, and it can potentially be used for DFU treatment.
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Affiliation(s)
- Pin Deng
- School of Graduates, Beijing University of Chinese Medicine, Beijing, China
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Huan Liang
- Department of Orthopedics, Beijing Longfu Hospital, Beijing, China
| | - Shulong Wang
- School of Graduates, Beijing University of Chinese Medicine, Beijing, China
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Ruinan Hao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, China
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, China
| | - Jinglu Han
- School of Graduates, Beijing University of Chinese Medicine, Beijing, China
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Xiaojie Sun
- School of Graduates, Beijing University of Chinese Medicine, Beijing, China
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Xuyue Pan
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Dongxiao Li
- School of Graduates, Beijing University of Chinese Medicine, Beijing, China
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Yinwen Wu
- School of Graduates, Beijing University of Chinese Medicine, Beijing, China
| | - Zhichao Huang
- School of Graduates, Beijing University of Chinese Medicine, Beijing, China
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Jiajia Xue
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, China
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, China
| | - Zhaojun Chen
- Department of Hand and Foot Surgery, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
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Ivyna de Araújo Rêgo R, Guedes Silvestre GF, Ferreira de Melo D, Albino SL, Pimentel MM, Silva Costa Cruz SB, Silva Wurzba SD, Rodrigues WF, Goulart de Lima Damasceno BP, Cançado Castellano LR. Flavonoids-Rich Plant Extracts Against Helicobacter pylori Infection as Prevention to Gastric Cancer. Front Pharmacol 2022; 13:951125. [PMID: 36120379 PMCID: PMC9470917 DOI: 10.3389/fphar.2022.951125] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 06/20/2022] [Indexed: 11/15/2022] Open
Abstract
Gastric cancer is the fifth most common and fourth type to cause the highest mortality rates worldwide. The leading cause is related to Helicobacter pylori (H. pylori) infection. Unfortunately, current treatments have low success rates, highlighting the need for alternative treatments against carcinogenic agents, specifically H. pylori. Noteworthy, natural origin products contain pharmacologically active metabolites such as flavonoids, with potential antimicrobial applications. Objective: This article overviews flavonoid-rich extracts’ biological and pharmacological activities. It focuses on using these substances against Helicobacter pylori infection to prevent gastric cancer. For this, PubMed and Science Direct databases were searched for studies that reported the activity of flavonoids against H. pylori, published within a 10-year time frame (2010 to August 2020). It resulted in 1,773 publications, of which 44 were selected according to the search criteria. The plant family primarily found in publications was Fabaceae (9.61%). Among the flavonoids identified after extraction, the most prevalent were quercetin (19.61%), catechin (13.72), epicatechin (11.76), and rutin (11.76). The potential mechanisms associated with anti-H. pylori activity to the extracts were: inhibition of urease, damage to genetic material, inhibition of protein synthesis, and adhesion of the microorganism to host cells. Conclusion: Plant extracts rich in flavonoids with anti-H. pylori potential proved to be a promising alternative therapy source, reinforcing the relevance of studies with natural products.
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Affiliation(s)
- Renaly Ivyna de Araújo Rêgo
- Human Immunology Research and Education Group-GEPIH, Federal University of Paraiba, João Pessoa, Brazil
- Postgraduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Brazil
- Postgraduate Program of Science and Technology in Health, State University of Paraíba, Campina Grande, Brazil
| | | | - Demis Ferreira de Melo
- Postgraduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Brazil
| | - Sonaly Lima Albino
- Postgraduate Program of Therapeutic Innovation, Federal University of Pernambuco, Recife, Brazil
| | - Marcela Monteiro Pimentel
- Postgraduate Program of Science and Technology in Health, State University of Paraíba, Campina Grande, Brazil
| | - Sara Brito Silva Costa Cruz
- Postgraduate Program in Dentistry, Federal University of Paraíba, João Pessoa, Brazil
- Department of Otolaryngology and Head and Neck Surgery, McGill University, Montreal, QC, Canada
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Departments of Medicine and Oncology, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Sabrina Daniela Silva Wurzba
- Department of Otolaryngology and Head and Neck Surgery, McGill University, Montreal, QC, Canada
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Departments of Medicine and Oncology, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | | | | | - Lúcio Roberto Cançado Castellano
- Human Immunology Research and Education Group-GEPIH, Federal University of Paraiba, João Pessoa, Brazil
- Postgraduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Brazil
- Postgraduate Program in Dentistry, Federal University of Paraíba, João Pessoa, Brazil
- Department of Otolaryngology and Head and Neck Surgery, McGill University, Montreal, QC, Canada
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Departments of Medicine and Oncology, Faculty of Medicine, McGill University, Montreal, QC, Canada
- *Correspondence: Lúcio Roberto Cançado Castellano,
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Lee J, Jung Y, Rho SJ, Kim YR. Physicochemical characteristics and in vitro bioavailability of licorice (Glycyrrhiza glabra L.) extract complexed using cyclic glucans. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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10
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Mohammed EAH, Peng Y, Wang Z, Qiang X, Zhao Q. Synthesis, Antiviral, and Antibacterial Activity of the Glycyrrhizic Acid and Glycyrrhetinic Acid Derivatives. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022; 48:906-918. [PMID: 35919388 PMCID: PMC9333650 DOI: 10.1134/s1068162022050132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 12/28/2021] [Accepted: 12/31/2021] [Indexed: 11/28/2022]
Abstract
Glycyrrhizic acid and its primary metabolite glycyrrhetinic acid, are the main active ingredients in the licorice roots (glycyrrhiza species), which are widely used in several countries of the world, especially in east asian countries (China, Japan). These ingredients and their derivatives play an important role in treating many diseases, especially infectious diseases such as COVID-19 and hepatic infections. This review aims to summarize the different ways of synthesising the amide derivatives of glycyrrhizic acid and the main ways to synthesize the glycyrrhitinic acid derivatives. Also, to determine the main biological and pharmacological activity for these compounds from the previous studies to provide essential data to researchers for future studies.
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Affiliation(s)
- E. A. H. Mohammed
- Institute of Medicinal Chemistry, School of Pharmacy of Lanzhou University, 730000 Lanzhou, China
| | - Y. Peng
- Institute of Medicinal Chemistry, School of Pharmacy of Lanzhou University, 730000 Lanzhou, China
| | - Z. Wang
- Institute of Medicinal Chemistry, School of Pharmacy of Lanzhou University, 730000 Lanzhou, China
| | - X. Qiang
- Institute of Medicinal Chemistry, School of Pharmacy of Lanzhou University, 730000 Lanzhou, China
| | - Q. Zhao
- Institute of Medicinal Chemistry, School of Pharmacy of Lanzhou University, 730000 Lanzhou, China
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Lin H, Hu J, Mei F, Zhang Y, Ma Y, Chen Q, Wang C, Fu J, Yang M, Wen Z, Wang X, Qi J, Han H, Yang R, Yang Y. Anti-microbial efficacy, mechanisms and druggability evaluation of the natural flavonoids. J Appl Microbiol 2022; 133:1975-1988. [PMID: 35801665 DOI: 10.1111/jam.15705] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 06/25/2022] [Accepted: 07/01/2022] [Indexed: 11/27/2022]
Abstract
AIMS This study was conducted to evaluate thirty-five natural flavonoids for their in vitro susceptibility against Escherichia coli (ATCC 25922), Pseudomonas aeruginosa (ATCC 27853), Bacillus subtilis (ATCC 530) and Staphylococcus aureus (ATCC 6538) in search for the potential broad-spectrum antibiotic. METHODS AND RESULTS Glabridin, a natural isoflavonoids isolated from Glycyrrhiza glabra L., was identified to be highly active with MIC of 8-16 μg mL-1 against S. aureus, B. subtilis and E. coli. By the results of docking simulation, we located the potential targets of glabridin as DNA gyrase and dihydrofolate reductase (DHFR). The subsequent DNA gyrase inhibition assays (glabridin: IC50 = 0.8516 μmol L-1 , ciprofloxacin: IC50 = 0.04697 μmol L-1 ), DHFR inhibition assays (glabridin: inhibition ratio=29%, methotrexate: inhibition ratio=45% under 100 μmol L-1 treatment) and TUNEL confirmed that glabridin acted as DNA gyrase inhibitor and DHFR mild inhibitor, exerting bactericidal activity by blocking bacterial nucleic acid synthesis. CCK-8 and in silico calculations were also conducted to verify the low cytotoxicity and acceptable druggability of glabridin. CONCLUSION These findings suggest that glabridin represents the prototypical member of an exciting structural class of natural antimicrobial agents. SIGNIFICANCE AND IMPACT OF THE STUDY This study reports a novel mechanism of bactericidal activity of glabridin against S. aureus.
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Affiliation(s)
- Hongyan Lin
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China.,School of Pharmacy, Changzhou University, Changzhou, China
| | - Jiabao Hu
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Feng Mei
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Yahan Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Yudi Ma
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Qingqing Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Changyi Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jiangyan Fu
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Minkai Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Zhongling Wen
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Xiaoming Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jinliang Qi
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China.,Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
| | - Hongwei Han
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China.,Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
| | - Rongwu Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Yonghua Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing, China.,Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
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12
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Castro I, André-Barrès C, Fabre N, Massou S, Sauvain M, Pareja DC, Jullian V. Cordiasecosides G-J, 9,10-Seco-29-norcycloartane glycosides isolated from Cordia lutea and their antibacterial activities. Fitoterapia 2022; 158:105172. [DOI: 10.1016/j.fitote.2022.105172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 11/26/2022]
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13
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Abou Baker DH. An ethnopharmacological review on the therapeutical properties of flavonoids and their mechanisms of actions: A comprehensive review based on up to date knowledge. Toxicol Rep 2022; 9:445-469. [PMID: 35340621 PMCID: PMC8943219 DOI: 10.1016/j.toxrep.2022.03.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 12/11/2022] Open
Abstract
Flavonoids -a class of low molecular weight secondary metabolites- are ubiquitous and cornucopia throughout the plant kingdom. Structurally, the main structure consists of C6-C3-C6 rings with different substitution patterns so that many sub-classes are obtained, for example: flavonols, flavonolignans, flavonoid glycosides, flavans, anthocyanidins, aurones, anthocyanidins, flavones, neoflavonoids, chalcones, isoflavones, flavones and flavanones. Flavonoids are evaluated to have drug like nature since they possess different therapeutic activities, and can act as cardioprotective, antiviral, antidiabetic, anti-inflammatory, antibacterial, anticancer, and also work against Alzheimer's disease and others. However, information on the relationship between their structure and biological activity is scarce. Therefore, the present review tries to summarize all the therapeutic activities of flavonoids, their mechanisms of action and the structure activity relationship. Latest updated ethnopharmacological review of the therapeutic effects of flavonoids. Flavonoids are attracting attention because of their therapeutic properties. Flavonoids are valuable candidates for drug development against many dangerous diseases. This overview summarizes the most important therapeutic effect and mechanism of action of flavonoids. General knowledge about the structure activity relationship of flavonoids is summarized. Substitution of chemical groups in the structure of flavonoids can significantly change their biological and chemical properties. The chemical properties of the basic flavonoid structure should be considered in a drug-based structural program.
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14
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Wu Y, Wang Z, Du Q, Zhu Z, Chen T, Xue Y, Wang Y, Zeng Q, Shen C, Jiang C, Liu L, Zhu H, Liu Q. Pharmacological Effects and Underlying Mechanisms of Licorice-Derived Flavonoids. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:9523071. [PMID: 35082907 PMCID: PMC8786487 DOI: 10.1155/2022/9523071] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 12/17/2021] [Indexed: 12/12/2022]
Abstract
Glycyrrhizae Radix et Rhizoma is the most frequently prescribed natural medicine in China and has been used for more than 2,000 years. The flavonoids of licorice have garnered considerable attention in recent decades due to their structural diversity and myriad pharmacological effects, especially as novel therapeutic agents against inflammation and cancer. Although many articles have been published to summarize different pharmacological activities of licorice in recent years, the systematic summary for flavonoid components is not comprehensive. Therefore, in this review, we summarized the pharmacological and mechanistic data from recent researches on licorice flavonoids and their bioactive components.
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Affiliation(s)
- Yufan Wu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Zhuxian Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Qunqun Du
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Zhaoming Zhu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Tingting Chen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Yaqi Xue
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Yuan Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Quanfu Zeng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Chunyan Shen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Cuiping Jiang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Li Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Hongxia Zhu
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Qiang Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
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15
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Mubarik F, Noreen S, Farooq F, Khan M, Khan AU, Pane YS. Medicinal Uses of Licorice (Glycyrrhiza glabra L.): A Comprehensive Review. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.7526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Innumerable plants have been used widely as integral medicinal sources since the start of human civilization. The demand for herbal medicines is constantly increasing with time overtime. Licorice
(
Glycyrrhiza glabra
family Leguminosae) is one of the most used herbal plants in foods, in medicinal forms, and substantially researched on a worldwide scale. It was used as traditional and complementary medicine against innumerable ailments including allergies, liver toxicity, gastric ulcer, lung diseases, skin disorders, oral health problems including tooth decay, and inflammation. The constituents of licorice include various essential oils, sugars, inorganic salts, resins, amino acids, and nucleic acids. Biological activity has been observed to be portrayed by active compounds of licorice including triterpene, flavonoids, and saponins. In recent years, licorice has been widely researched to discover its benefits, constituents, and its mechanism of action. The review summarizes the therapeutic and pharmacological benefits of licorice and its uses in different health-related conditions along with its toxicity and maximum levels of licorice consumption.
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16
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Kuchta K, Cameron S. Tradition to Pathogenesis: A Novel Hypothesis for Elucidating the Pathogenesis of Diseases Based on the Traditional Use of Medicinal Plants. Front Pharmacol 2021; 12:705077. [PMID: 34759818 PMCID: PMC8572966 DOI: 10.3389/fphar.2021.705077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 09/27/2021] [Indexed: 11/13/2022] Open
Abstract
Traditional medicines embody knowledge on medicinal plants that has been accumulated through cultural evolution over millennia. In the latter half of the 20th century, two approaches to medicinal plant research have been established: the "Bench to Bedside" and the "Bedside to Bench" approaches which serve primarily for the development of more efficient therapeutics. Here, we propose a third, novel approach: from "Tradition to Pathogenesis" which aims to understand the pathogenesis of diseases based on the cultural evolution of their respective empirical treatments. We analyse multiple examples of diseases where the acting mechanism of traditional treatments across multiple cultures points to the pathogenesis of the respective disease. E.g., many cultures traditionally treat rheumatism with anti-bacterial botanical drugs, which is at odds with our current understanding that rheumatism is an aseptic inflammation. Furthermore, gastric ailments have traditionally been treated with anti-infectious botanical drugs indicating local infections, as demonstrated by the discovery of Helicobacter pylori as a common cause of gastric ulcer. Understanding traditional treatments can thus help to elucidate the pathogenesis of the disease.
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Affiliation(s)
- Kenny Kuchta
- Forschungsstelle für Fernöstliche Medizin, Department of Vegetation Analysis and Phytodiversity, Albrecht von Haller Institute of Plant Sciences, Georg August University, Göttingen, Germany
| | - Silke Cameron
- Clinic for Gastroenterology and Gastrointestinal Oncology, University Medicine Göttingen, Göttingen, Germany.,Clinic, Hann. Münden, Germany
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17
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Formulation optimization and evaluation of glycyrrhetinic acid loaded PLARosome using factorial design: In-vitro anti-ulcer activity and in silico PASS prediction. J INDIAN CHEM SOC 2021. [DOI: 10.1016/j.jics.2021.100199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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18
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Pharmacological properties of glabridin (a flavonoid extracted from licorice): A comprehensive review. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104638] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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19
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Khameneh B, Eskin NAM, Iranshahy M, Fazly Bazzaz BS. Phytochemicals: A Promising Weapon in the Arsenal against Antibiotic-Resistant Bacteria. Antibiotics (Basel) 2021; 10:1044. [PMID: 34572626 PMCID: PMC8472480 DOI: 10.3390/antibiotics10091044] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022] Open
Abstract
The extensive usage of antibiotics and the rapid emergence of antimicrobial-resistant microbes (AMR) are becoming important global public health issues. Many solutions to these problems have been proposed, including developing alternative compounds with antimicrobial activities, managing existing antimicrobials, and rapidly detecting AMR pathogens. Among all of them, employing alternative compounds such as phytochemicals alone or in combination with other antibacterial agents appears to be both an effective and safe strategy for battling against these pathogens. The present review summarizes the scientific evidence on the biochemical, pharmacological, and clinical aspects of phytochemicals used to treat microbial pathogenesis. A wide range of commercial products are currently available on the market. Their well-documented clinical efficacy suggests that phytomedicines are valuable sources of new types of antimicrobial agents for future use. Innovative approaches and methodologies for identifying plant-derived products effective against AMR are also proposed in this review.
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Affiliation(s)
- Bahman Khameneh
- Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran;
| | - N. A. Michael Eskin
- Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
| | - Milad Iranshahy
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran
| | - Bibi Sedigheh Fazly Bazzaz
- Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran;
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran
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20
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Karthikkeyan G, Pervaje R, Pervaje SK, Prasad TSK, Modi PK. Prevention of MEK-ERK-1/2 hyper-activation underlines the neuroprotective effect of Glycyrrhiza glabra L. (Yashtimadhu) against rotenone-induced cellular and molecular aberrations. JOURNAL OF ETHNOPHARMACOLOGY 2021; 274:114025. [PMID: 33775804 DOI: 10.1016/j.jep.2021.114025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 12/07/2020] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Yashtimadhu choorna (powder) is prepared from the dried root of Glycyrrhiza glabra L., commonly known as licorice. The Indian Ayurvedic system classifies Yashtimadhu as a Medhya Rasayana that can enhance brain function, improves memory, and possess neuroprotective functions, which can be used against neurodegenerative diseases like Parkinson's disease (PD). AIM OF THE STUDY We aimed to decipher the neuroprotective effects of G. glabra L., i.e., Yashtimadhu, in a rotenone-induced PD model. MATERIALS AND METHODS Retinoic acid-differentiated IMR-32 cells were treated with rotenone (PD model) and Yashtimadhu, and were assessed for cellular toxicity, live-dead staining, cell cycle, oxidative stress, protein abundance, and kinase phosphorylation. RESULTS Yashtimadhu conferred protection against rotenone-induced cytotoxicity, countered cell death, reduced expression of pro-apoptotic proteins (cleaved-caspases-9, and 3, cleaved-PARP, BAX, and BAK) and increased anti-apoptotic protein, BCL-2. Rotenone-induced cell cycle re-entry (G2/M transition), was negated by Yashtimadhu and was confirmed with PCNA levels. Yashtimadhu countered rotenone-mediated activation of mitochondrial proteins involved in oxidative stress, cytochrome-C, PDHA1, and HSP60. Inhibition of rotenone-induced ERK-1/2 hyperphosphorylation prevented activation of apoptosis, which was confirmed with MEK-inhibitor, highlighted the action of Yashtimadhu via ERK-1/2 modulation. CONCLUSIONS We provide the evidence for neuroprotection conferred by G. glabra L. (Yashtimadhu) and its mechanism via inhibiting MEK-ERK-1/2 hyper-phosphorylation, prevention of mitochondrial stress, and subsequent prevention of apoptosis. The study highlights Yashtimadhu as a promising candidate with neuroprotective effects, the potential of which can be harnessed for identifying novel therapeutic targets.
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Affiliation(s)
- Gayathree Karthikkeyan
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India.
| | | | - Sameera Krishna Pervaje
- Yenepoya Medical College and Hospital, Yenepoya (Deemed to be University), Mangalore 575018, India.
| | | | - Prashant Kumar Modi
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India.
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21
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Ullah H, Di Minno A, Santarcangelo C, Khan H, Xiao J, Arciola CR, Daglia M. Vegetable Extracts and Nutrients Useful in the Recovery from Helicobacter pylori Infection: A Systematic Review on Clinical Trials. Molecules 2021; 26:molecules26082272. [PMID: 33919894 PMCID: PMC8070974 DOI: 10.3390/molecules26082272] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/10/2021] [Accepted: 04/11/2021] [Indexed: 02/05/2023] Open
Abstract
Helicobacter pylori (H. pylori) infections affect almost half of the world’s population, with gradually increasing incidence in developed countries. Eradication of H. pylori may provide significant benefits to the affected individual by healing a number of gastrointestinal and extra-digestive disorders. But due to increased microbial resistance and lack of patient adherence to the therapy, the eradication rate of H. pylori is below 80% with current pharmacological therapies. The usage of botanicals for their therapeutic purposes and medicinal properties have been increased in last decades. They can be use as alternative H. pylori treatments, especially against drug-resistant strains. Epidemiological studies have revealed that people with lower vegetable and micronutrient intake may be at increased risk of H. pylori infection. We have undertaken a review of clinical trials to evaluate the efficacy of vegetable extracts and micronutrients in patients with H. pylori. Various databases, such as Google Scholar, PubMed, Scopus, Web of Science, and the Cochrane Library, were searched for the articles published in English. A total of 24 clinical studies (15 for vegetable extracts and 9 for micronutrients) were selected to be reviewed and summarized in this article. Vegetable extracts (Broccoli sprouts, curcumin, Burdock complex, and Nigella sativa) and micronutrients (vitamin C and E) were not found to be as effective as single agents in H. pylori eradication, rather their efficacy synergized with conventional pharmacological therapies. Conversely, GutGard was found to be significantly effective as a single agent when compared to placebo control.
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Affiliation(s)
- Hammad Ullah
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
| | - Alessandro Di Minno
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
- CEINGE-Biotecnologie Avanzate, 80131 Naples, Italy
| | - Cristina Santarcangelo
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan 23200, Pakistan; or
| | - Jianbo Xiao
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China;
| | - Carla Renata Arciola
- Department of Experimental, Diagnostic and Specially Medicine, University of Bologna, via San Giacomo 14, 40126 Bologna, Italy;
- Laboratorio di Patologia delle Infezioni Associate all’Impianto, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Maria Daglia
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (H.U.); (A.D.M.); (C.S.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China;
- Correspondence:
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22
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Sharaf M, Arif M, Khan S, Abdalla M, Shabana S, Chi Z, Liu C. Co-delivery of hesperidin and clarithromycin in a nanostructured lipid carrier for the eradication of Helicobacter pylori in vitro. Bioorg Chem 2021; 112:104896. [PMID: 33901764 DOI: 10.1016/j.bioorg.2021.104896] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 02/21/2021] [Accepted: 04/04/2021] [Indexed: 12/20/2022]
Abstract
Effective and precise eradication of Helicobacter pylori (H. pylori) is the most promising approach to avoid H. pylori-related gastrointestinal disorders. The present study was conducted to demonstrate the efficacy of the co-delivery of hesperidin (Hesp) and clarithromycin (CLR) in nanostructured lipid carriers (NLCs) against H. pylori. We have produced a new delivery system by combining bioflavonoid Hesp and CLR NLCs to address the failure in single antibiotic therapies. Briefly, a blend of solid lipid, liquid lipid, and surfactant was used. Homogeneous NLCs with all the formulations showed a nano size and surface-negative charge and presented high in vitro stability and slow release of the drug even after 24 h. Bioimaging studies by scanning electron microscopy, transmission electron microscopy, and imaging flow cytometry indicated that NLCs interacted with the membrane by adhering to the outer cell membrane and disrupted the membrane that resulted in the leakage of cytoplasmic contents. The prepared NLCs provide sustained and controlled drug release that can be used to increase the rate of H. pylori eradication.
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Affiliation(s)
- Mohamed Sharaf
- Department of Biochemistry and Molecular Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China; Department of Biochemistry, Faculty of Agriculture, AL-Azhar University, Nasr City, Cairo 11751, Egypt
| | - Muhammad Arif
- Department of Biochemistry and Molecular Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Sohaib Khan
- Department of Biochemistry and Molecular Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Mohnad Abdalla
- Key Laboratory of Chemical Biology (Ministry of Education), Department of Pharmaceutics, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 Cultural West Road, Shandong Province 250012, PR China
| | - Samah Shabana
- Department of Biochemistry and Molecular Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Zhe Chi
- Department of Biochemistry and Molecular Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Chenguang Liu
- Department of Biochemistry and Molecular Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China.
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23
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Hebel-Gerber S, García-Cancino A, Urbina A, Simirgiotis MJ, Echeverría J, Bustamante-Salazar L, Sáez-Carrillo K, Alarcón J, Pastene-Navarrete E. Chilean Rhubarb, Gunnera tinctoria (Molina) Mirb. (Gunneraceae): UHPLC-ESI-Orbitrap-MS Profiling of Aqueous Extract and its Anti- Helicobacter pylori Activity. Front Pharmacol 2021; 11:583961. [PMID: 33708110 PMCID: PMC7941271 DOI: 10.3389/fphar.2020.583961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 11/12/2020] [Indexed: 01/10/2023] Open
Abstract
The full UHPLC-MS metabolome fingerprinting and anti-Helicobacter pylori effect of Gunnera tinctoria (Molina) Mirb. (Nalca) total extract (GTE) and fractions prepared from its edible fresh petioles were evaluated. The activity of G. tinctoria against H. pylori strains ATCC 45504 and J99 was assessed in vitro by means of agar diffusion assay, Minimum Inhibition Concentration (MIC), and Minimum Bactericidal Concentration (MBC), while killing curve and transmission electronic microscopy (TEM) were conducted in order to determine the effect of the plant extract on bacterial growth and ultrastructure. Additionally, the inhibitory effect upon urease was evaluated using both the Jack Bean and H. pylori enzymes. To determine which molecules could be responsible for the antibacterial effects, tentative identification was done by ultra-high performance liquid chromatography coupled with high-resolution mass spectrometry (UHPLC-Q-Orbitrap®-HR-MS). Furthermore, the total G. tinctoria extract was fractionated using centrifugal partition chromatography (CPC), giving four active fractions (1-4). It was determined that the crude extract and centrifugal partition chromatography fractions of G. tinctoria have a bactericidal effect being the lowest MIC and MBC = 32 μg/ml. In the killing curves, fraction one acts faster than control amoxicillin. In the urease assay, F3 exhibited the lowest IC50 value of 13.5 μg/ml. Transmission electronic microscopy showed that crude G. tinctoria extract promotes disruption and separation of the cellular wall and outer membrane detachment on H. pylori causing bacterial cell death.
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Affiliation(s)
- Sonja Hebel-Gerber
- Laboratorio de Farmacognosia, Departamento de Farmacia, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile
- Laboratorio de Patogenicidad Bacteriana, Departamento de Microbiología, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Apolinaria García-Cancino
- Laboratorio de Patogenicidad Bacteriana, Departamento de Microbiología, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Angélica Urbina
- Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Concepción, Chillán, Chile
| | - Mario J. Simirgiotis
- Instituto de Farmacia, Facultad de Ciencias, Universidad Austral de Chile, Campus Isla Teja, Valdivia, Chile
| | - Javier Echeverría
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Luis Bustamante-Salazar
- Departamento de Análisis Instrumental, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile
| | - Katia Sáez-Carrillo
- Facultad de Ciencias Físicas y Matemáticas, Universidad de Concepción, Concepción, Chile
| | - Julio Alarcón
- Laboratorio de Síntesis y Biotransformación de Productos Naturales, Departamento de Ciencias Básicas, Universidad de Bío-Bío, Chillán, Chile
| | - Edgar Pastene-Navarrete
- Laboratorio de Farmacognosia, Departamento de Farmacia, Facultad de Farmacia, Universidad de Concepción, Concepción, Chile
- Laboratorio de Síntesis y Biotransformación de Productos Naturales, Departamento de Ciencias Básicas, Universidad de Bío-Bío, Chillán, Chile
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Zahid R, Akram M, Riaz M, Munir N, Shehzad M. Phytotherapeutic modalities for the management of Helicobacter pylori associated peptic ulcer. EUR J INFLAMM 2020. [DOI: 10.1177/2058739220968308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Due to an imbalance between aggressive factors known as hydrochloric acid (HCl), pepsin, leukotrienes, refluxed bile, defensive factors and reactive oxygen species, the peptic ulcer is formed in the stomach and duodenum which mostly include the function of prostaglandins, mucus bicarbonate barrier, enzymatic antioxidants, and some growth factors. H. pylori infection remained one of the considerable causes of peptic ulcer as it caused hypochlorhydria and struck off the defense mechanism of the stomach. The nonsteroidal anti-inflammatory drugs (NSAIDs) and stress are the most prevailing causes of peptic ulcer disease. Lack of physical exercise, little rest and due to poor leisure cause the peptic ulcer disease. Candies, chocolate, coffee, cigarettes, stress, and alcohol are the cause of peptic ulceration and suppression of acid in the stomach due to the utilization of antacid medication. Most of the ancient medical practices in the traditional alternative medicinal system include Unani, Ayurveda, Siddha, Homeopathy, Naturopathy, Chinese customary medicine, African conventional medicine, and Native American medicine. Without a hostile effect, the rate of curing the disease is the significance of natural products research. Peptic ulcer disease is the widespread nature of peptic ulcer in all class of population, which mostly may be due to rapidly changing the food habits and stress, causing the imbalance between gastric offensive and defensive factors. Curcuma longa is the most effective plant for the cure of peptic ulcer. Curcuma longa has anti-inflammatory and antioxidant activity. Curcuma longa remarkably reduces the level of inflammatory mediator (IL1) and (TNF) which was increased during the formation of an ulcer. In the rhizome of Curcuma longa, yellow pigment is present and widely used for the treatment of ulcer and decrease the inflammatory response. Symptoms include abdominal pain after taking a meal, nausea, vomiting, Anorexia and lose weight.
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Affiliation(s)
- Rabia Zahid
- Department of Eastern Medicine, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Akram
- Department of Eastern Medicine, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Riaz
- Department of Allied Health Sciences, Sargodha Medical College, University of Sargodha, Sargodha, Pakistan
| | - Naveed Munir
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Shehzad
- Department of Eastern Medicine, Government College University Faisalabad, Faisalabad, Pakistan
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Lee HA, Kim JY, Kim J, Nam B, Kim O. Anti- Helicobacter pylori activity of acomplex mixture of Lactobacillus paracasei HP7 including the extract of Perilla frutescens var. acuta and Glycyrrhiza glabra. Lab Anim Res 2020; 36:40. [PMID: 33134159 PMCID: PMC7594437 DOI: 10.1186/s42826-020-00073-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 10/18/2020] [Indexed: 12/31/2022] Open
Abstract
The effect of standard therapeutic strategies on Helicobacter pylori infection is diminished over time owing to the emergence of drug resistant strains. In this study, we would like to confirm the enhanced effect of L. paracasei HP7, which has been reported to exert antibacterial and gastric mucosal protective effects, in combination with Perilla frutescens var. acuta (P. frutescens)and Glycyrrhiza glabra (G. glabra) extracts. P. frutescens extract and G. glabra extract were found to inhibit the growth of H. pylori in a concentration-dependent manner, and the combination of L. paracasei HP7 and P. frutescens extract and G. glabra extract effectively inhibited H. pylori from attaching to AGS a gastric epithelial cells. Moreover, L. paracasei HP7 complex mixture containing P. frutescens and G. glabra extracts has been shown to inhibit H. pylori virulence genes such as AlpA, CagA, FlaA and UreA. When H. pylori-infected mice were administered a complex mixture of L. paracasei HP7 containing P. frutescens and G. glabra extract, the infection rate of H. pylori was significantly reduced. In addition, the L. paracasei HP7 complex mixture significantly reduced serum IL-8 levels and stomach inflammation in H. pylori infected mice. These results suggest that a complex mixture of L. paracasei HP7 containing P. frutescens and G. glabra extracts may be an alternative to treating diseases caused by H. pylori infection.
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Affiliation(s)
- Hyun-A Lee
- Center for Animal Resources Development, Wonkwang University, 460 Iksandae-ro, Iksan, 54538 Republic of Korea
| | - Joo-Yun Kim
- R&BD Center, Korea Yakult Co., Ltd., 22 Giheungdanji-ro 24 beon-gil, Yongin-si, Gyeonggi-do 17086 Republic of Korea
| | - Jisoo Kim
- R&BD Center, Korea Yakult Co., Ltd., 22 Giheungdanji-ro 24 beon-gil, Yongin-si, Gyeonggi-do 17086 Republic of Korea
| | - Bora Nam
- R&BD Center, Korea Yakult Co., Ltd., 22 Giheungdanji-ro 24 beon-gil, Yongin-si, Gyeonggi-do 17086 Republic of Korea
| | - Okjin Kim
- Center for Animal Resources Development, Wonkwang University, 460 Iksandae-ro, Iksan, 54538 Republic of Korea
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An electroanalytical method for glabridin investigation based on poly(diallyldimethylammonium chloride)-functionalized graphene-modified electrode. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105279] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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27
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Sun X, Zhang S, Udenigwe CC, Ren J, Li S, Wang H, Liu X. Wheat Germ-Derived Peptides Exert Antiadhesive Activity against Helicobacter pylori: Insights into Structural Characteristics of Identified Peptides. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:11954-11974. [PMID: 32907328 DOI: 10.1021/acs.jafc.0c04367] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Approximately 50-80% of the world population are infected with H. pylori, which is categorized as a class I carcinogen. Antiadhesive therapy is emerging as a promising alternative to antibiotics against bacterial infection. This study demonstrated that defatted wheat germ protein hydrolysates (DWGPH) effectively inhibited H. pylori adhesion to gastric epithelial cells. DWGPH prepared by pronase possessed the best activity where its inhibitory percentage at 10 mg/mL was 51.7 ± 6.8% and the minimum antiadhesive concentration was 0.31 mg/mL. The antiadhesive activity is attributable to peptides acting as receptor analogs in binding to H. pylori. Peptides with potential H. pylori-binding ability (n = 267) were identified, and their structural characteristics were comprehensively analyzed, including net charge, Boman index, instability index, aliphatic index, molecular weight, isoelectric point, hydrophobicity, and Hmoment (α-helix and β-sheet). This work provided an array of peptide sequences for further exploration as putative ligands of H. pylori adhesins and for elucidating molecular mechanisms.
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Affiliation(s)
- Xiaohong Sun
- College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
| | - Songyuan Zhang
- College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
| | - Chibuike C Udenigwe
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Jian Ren
- College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
| | - Shengnan Li
- College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
| | - Hao Wang
- College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
| | - Xiaolan Liu
- College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
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Exquisite binding interaction of 18β-Glycyrrhetinic acid with histone like DNA binding protein of Helicobacter pylori: A computational and experimental study. Int J Biol Macromol 2020; 161:231-246. [DOI: 10.1016/j.ijbiomac.2020.06.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 06/04/2020] [Accepted: 06/04/2020] [Indexed: 02/07/2023]
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Ushiyama F, Amada H, Mihara Y, Takeuchi T, Tanaka-Yamamoto N, Mima M, Kamitani M, Wada R, Tamura Y, Endo M, Masuko A, Takata I, Hitaka K, Sugiyama H, Ohtake N. Lead optimization of 8-(methylamino)-2-oxo-1,2-dihydroquinolines as bacterial type II topoisomerase inhibitors. Bioorg Med Chem 2020; 28:115776. [PMID: 33032189 DOI: 10.1016/j.bmc.2020.115776] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/13/2020] [Accepted: 09/15/2020] [Indexed: 11/28/2022]
Abstract
The global increase in multidrug-resistant pathogens has caused severe problems in the treatment of infections. To overcome these difficulties, the advent of a new chemical class of antibacterial drug is eagerly desired. We aimed at creating novel antibacterial agents against bacterial type II topoisomerases, which are well-validated targets. TP0480066 (compound 32) has been identified by using structure-based optimization originated from lead compound 1, which was obtained as a result of our previous lead identification studies. The MIC90 values of TP0480066 against methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococci (VRE), and genotype penicillin-resistant Streptococcus pneumoniae (gPRSP) were 0.25, 0.015, and 0.06 μg/mL, respectively. Hence, TP0480066 can be regarded as a promising antibacterial drug candidate of this chemical class.
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Affiliation(s)
- Fumihito Ushiyama
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan.
| | - Hideaki Amada
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Yasuhiro Mihara
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Tomoki Takeuchi
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | | | - Masashi Mima
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Masafumi Kamitani
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Reiko Wada
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Yunoshin Tamura
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Mayumi Endo
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Aiko Masuko
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Iichiro Takata
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Kosuke Hitaka
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Hiroyuki Sugiyama
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Norikazu Ohtake
- Taisho Pharmaceutical Co., Ltd, 1-403 Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
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Baker DA. Plants against Helicobacter pylori to combat resistance: An ethnopharmacological review. ACTA ACUST UNITED AC 2020; 26:e00470. [PMID: 32477900 PMCID: PMC7248673 DOI: 10.1016/j.btre.2020.e00470] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 03/02/2020] [Accepted: 05/12/2020] [Indexed: 12/22/2022]
Abstract
Worldwide, Helicobacter pylori (H. pylori) is regarded as the major etiological agent of peptic ulcer and gastric carcinoma. Claiming about 50 percent of the world population is infected with H. pylori while therapies for its eradication have failed because of many reasons including the acquired resistance against its antibiotics. Hence, the need to find new anti-H.pylori medications has become a hotspot with the urge of searching for alternative, more potent and safer inhibitors. In the recent drug technology scenario, medicinal plants are suggested as repositories for novel synthetic substances. Hitherto, is considered as ecofriendly, simple, more secure, easy, quick, and less toxic traditional treatment technique. This review is to highlight the anti-H. pylori medicinal plants, secondary metabolites and their mode of action with the aim of documenting such plants before they are effected by cultures and traditions that is expected as necessity.
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Affiliation(s)
- Doha Abou Baker
- Medicinal and Aromatic Plants Dept., Pharmaceutical and Drug Industries Division, National Research Centre, Cairo, Egypt
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31
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Ushiyama F, Amada H, Takeuchi T, Tanaka-Yamamoto N, Kanazawa H, Nakano K, Mima M, Masuko A, Takata I, Hitaka K, Iwamoto K, Sugiyama H, Ohtake N. Lead Identification of 8-(Methylamino)-2-oxo-1,2-dihydroquinoline Derivatives as DNA Gyrase Inhibitors: Hit-to-Lead Generation Involving Thermodynamic Evaluation. ACS OMEGA 2020; 5:10145-10159. [PMID: 32391502 PMCID: PMC7203957 DOI: 10.1021/acsomega.0c00865] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 04/09/2020] [Indexed: 05/26/2023]
Abstract
DNA gyrase and topoisomerase IV are well-validated pharmacological targets, and quinolone antibacterial drugs are marketed as their representative inhibitors. However, in recent years, resistance to these existing drugs has become a problem, and new chemical classes of antibiotics that can combat resistant strains of bacteria are strongly needed. In this study, we applied our hit-to-lead (H2L) chemistry for the identification of a new chemical class of GyrB/ParE inhibitors by efficient use of thermodynamic parameters. Investigation of the core fragments obtained by fragmentation of high-throughput screening hit compounds and subsequent expansion of the hit fragment was performed using isothermal titration calorimetry (ITC). The 8-(methylamino)-2-oxo-1,2-dihydroquinoline derivative 13e showed potent activity against Escherichia coli DNA gyrase with an IC50 value of 0.0017 μM. In this study, we demonstrated the use of ITC for primary fragment screening, followed by structural optimization to obtain lead compounds, which advanced into further optimization for creating novel antibacterial agents.
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Affiliation(s)
- Fumihito Ushiyama
- Chemistry
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Hideaki Amada
- Chemistry
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Tomoki Takeuchi
- Chemistry
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Nozomi Tanaka-Yamamoto
- Chemistry
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Harumi Kanazawa
- Chemistry
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Koichiro Nakano
- Pharmacology
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Masashi Mima
- Pharmacology
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Aiko Masuko
- Pharmacology
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Iichiro Takata
- Pharmacology
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Kosuke Hitaka
- Pharmacology
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Kunihiko Iwamoto
- Pharmacology
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Hiroyuki Sugiyama
- Pharmacology
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Norikazu Ohtake
- Chemistry
Laboratories, Taisho Pharmaceutical Company
Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
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32
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The Total Flavonoid Extract from Glycyrrhiza inflat Bat. Suppresses Atrophic Gastritis in Rats through the Akt/MAPK Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020. [DOI: 10.1155/2020/8396160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Ethnopharmacological Relevance. Glycyrrhiza inflat Bat. is widely used to treat gastric ulcer and gastritis in clinic in China. Aim of the Study. To investigate the protective effects and possible mechanisms of the total flavonoid extract (TFE) from G. inflat Bat. on atrophic gastritis (AG) rats. Materials and Methods. The rat AG model was established by providing sodium deoxycholate and alcohol, and then, AG rats were treated with TFE for 30 days. Pathologic changes in gastric specimens were observed using hematoxylin and eosin staining, and the capability of gastric mucosa to secrete mucus was examined by alcian blue-periodic acid Schiff staining. Apoptosis induction in gastric tissues was measured by the TUNEL assay. The expressions of Bcl-2, Bax, and proteins in the Akt/MAPK pathway in gastric tissues were examined by immunohistochemistry and/or Western blotting. Results. Compared with the AG group, TFE attenuated the damage of gastric mucosa as reflected by the thickening of the lamina propria and the thinning of the muscularis mucosae. Moreover, TFE induced apoptosis in gastric mucosa with increasing Bax/Bcl-2 expression ratio. Concomitantly, the degrees of p-ErkThr202/Tyr204 and p-AktThr308 were decreased, whereas those of p-p38Thr180/Tyr182 and p-JNKThr183/Tyr185 were increased. Conclusion. We demonstrated the anti-AG effect of G. inflat Bat. in vivo and elucidated the underlying mechanisms that involve gastric mucosa protection through the Akt/MAPK pathway. The study provides a rationale for the application of G. inflat Bat. in the treatment of AG.
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Abstract
Liquorice is a perennial, temperate-zone herb or subshrub, native of India, Pakistan and southern Europe; also cultivated in England, Belgium, France, Germany, Spain, Italy, Greece, Turkey, Russia, South Africa, Egypt, Syria and Iraq. It has also been grown experimentally in the United States. Ancient historical manuscripts from China, India and Greece mention its use for symptoms of viral respiratory tract infections and hepatitis. The plant has also been described by Theophrastus. Licorice from Egypt has been described to be the best, followed by from Iraq and Syria; the root should be decorticated before use. It concocts viscid humours in diseases of liver, bladder and lungs, and expectorates them. It has been used in Iranian herbal medicine for skin eruptions, including dermatitis, eczema, pruritus and cysts, and for treatment of stomach disorders including peptic ulcers. The herb extract inhibits gastric motility in vivo, which is regarded to be an important aspect for its antiulcer activity. Licorice possesses both anti-inflammatory and antiulcer activities; whereas most anti-inflammatory agents are ulcerogenic. Former German Commission E believed it to be effective in the treatment of atopic dermatitis. Licorice root has been used for years to regulate gastrointestinal function in TCM, has been used for generations as an antidote, demulcent, and elixir in folk medicine of China, and is the most commonly used crude drug in Kampo Medicines, the Japanese form of modified TCM, for the treatment of peptic ulcer. Roots contain glycyrrhizin, the main water-soluble constituent that is 50× sweeter than sugar, 2-β-glucuronosyl glucuronic acid, and isoliquiritigenin-4-glucoside. Glycyrrhizin is a nonhemolytic saponin with foaming property, and one of the most potent hydroxyl radical scavengers. No significant effect of deglycyrrhizinised liquorice was observed on gastric ulcer in an RCT of British patients. Treatment of healthy men with licorice for one-week decreased salivary testosterone values by 26% but no significant decrease in free testosterone, and nine healthy women treated with licorice daily for two cycles, had their mean total serum testosterone decreased by 37% at the end of 2nd month. This property could be useful as an adjunct therapy of hirsutism and PCOS.
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Imani G, khalilian A, Dastan D, Imani B, Mehrpoya M. Effects of cinnamon extract on complications of treatment and eradication of Helicobacter pylori in infected people. JOURNAL OF HERBMED PHARMACOLOGY 2020. [DOI: 10.15171/jhp.2020.08] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Introduction: Treatment of Helicobacter pylori has various side effects like antibiotic resistance. The purpose of this study was to evaluate the effects of cinnamon extract on complications of treatment and eradication of H. pylori in infected people. Methods: In this randomized clinical trial, a total of 98 eligible healthy and H. pylori-infected patients approved by esophageal endoscopy were selected. The cinnamon group received multi-drug treatment including clarithromycin, amoxicillin and pantoprazole as well as a cinnamon extract capsule. The control group received multi-drug treatment and a 40 mg starch capsule. In order to analyze the cinnamon extract efficacy, the urea breath test (UBT) was performed 3 months after the start of treatment. Clinical symptoms were evaluated by a questionnaire at the beginning (day of 0), 7 days and 14 days after starting treatment. Results: The clinical symptoms such as nausea, vomiting, diarrhea, constipation, blurred vision, headache, metallic flavor, epigastric pain, burp, and appetite were significantly reduced in the cinnamon group (P < 0.05). The odds ratio exhibited a higher eradication rate of H. pylori in the cinnamon group (73.47% in the cinnamon group compared to 53.06% in the control group) (P = 0.036). Conclusion: Cinnamon as assisted therapy is able to alleviate the disease and reduce the complications of H. pylori treatment.
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Affiliation(s)
- Ghazal Imani
- School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Alireza khalilian
- Department of Gastroenterology and Hepatology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Dara Dastan
- Department of Pharmacognosy, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Behzad Imani
- Department of Operating Room, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Maryam Mehrpoya
- Department of Clinical Pharmacy, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Khan AU, Akram M, Daniyal M, Akhter N, Riaz M, Akhtar N, Shariati MA, Anjum F, Khan SG, Parveen A, Ahmad S. Awareness and current knowledge of epilepsy. Metab Brain Dis 2020; 35:45-63. [PMID: 31605258 DOI: 10.1007/s11011-019-00494-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 09/12/2019] [Indexed: 12/29/2022]
Abstract
Epilepsy is a severe neural disorder that affects approximately fifty million individuals globally. Despite the fact that for most of the people with epilepsy, convulsions are better controlled by current accessible antiepileptic medicines, yet there are more than 30% of individuals affected with medically intractable epilepsy and around 30-40% of all patients with epilepsy affected by many adverse reactions and convulsion resistance to the present antiepileptic drugs. Consequently, various scientists attempt to develop new strategies to treat epilepsy, for instance, to find out novel antiepileptic ingredients from traditional medicines. This work aims to present a complete summary of natural medicines prescribed as antiepileptic agents all over the world by ethnic groups and different tribes. We undertook an extensive bibliographic analysis by searching peer reviewed papers and classical textbooks and further consulting well accepted worldwide scientific databases. We carried out PubMed, EMbase and CENTRAL searches by means of terms such as "antiepileptic" and "anti-convulsant" activity of plants. Medicinal plants have been prescribed to treat epilepsy and have been recognized as antiepileptic medicines. In this review, a variety of herbs have been reviewed for thorough studies such as Cuminum cyminum, Butea monosperma, Solanum americanum, Anacyclus pyrethrum, Leonotis leonurus, Elaeocarpus ganitrus and Angelica archangelica. This paper shows that it was high time experimental studies are increased to obtain novel potential active principles from medicinal plants. Plant extracts and their chemical constituents should be further evaluated to clarify their mechanisms of action. This paper provides a solid base upon which to further investigate the clinical efficacy of medicinal plants that are both currently prescribed by physicians as traditional antiepileptic agents, but also could be effective as an antiepileptic drug with further research and study.
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Affiliation(s)
- Asmat Ullah Khan
- Department of Eastern Medicine, The University of Poonch, Rawalakot, Azad Jammu and Kashmir, Pakistan
| | - Muhammad Akram
- Department of Eastern Medicine, Government College University, Faisalabad, Pakistan
| | - Muhammad Daniyal
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Naheed Akhter
- College of Allied Health Professional, Government College University, Faisalabad, Pakistan
| | - Muhammad Riaz
- Department of Allied Health Sciences, Sargodha Medical College, University of Sargodha, Sargodha, Pakistan
| | - Naheed Akhtar
- Department of Pharmacy, The University of Poonch, Rawalakot, Azad Jammu and Kashmir, Pakistan
| | - Mohammad Ali Shariati
- Kazakh Research Institute of Processing and Food industry (Semey branch), Semey, Kazakhstan
| | - Fozia Anjum
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Samreen Gul Khan
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Abida Parveen
- Department of Botany, Government College University, Faisalabad, Pakistan
| | - Saeed Ahmad
- University College of Agriculture, University of Sargodha, Sargodha, Pakistan.
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Kokoska L, Kloucek P, Leuner O, Novy P. Plant-Derived Products as Antibacterial and Antifungal Agents in Human Health Care. Curr Med Chem 2019; 26:5501-5541. [PMID: 30182844 DOI: 10.2174/0929867325666180831144344] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/02/2018] [Accepted: 07/19/2018] [Indexed: 01/10/2023]
Abstract
A number of papers reporting antimicrobial properties of extracts, essential oils, resins and various classes of compounds isolated from higher plants have been published in recent years; however, a comprehensive analysis of plant-derived antimicrobial agents currently applied in practice for the improvement of human health is still lacking. This review summarizes data on clinical efficacy, antimicrobial effects and the chemistry of commercially available antibacterial and antifungal agents of plant origin currently used in the prevention and treatment of gastrointestinal, oral, respiratory, skin, and urinary infections. As a result of an analysis of the literature, more than 40 plant-derived over-the-counter pharmaceuticals, dietary supplements, cosmetics, herbal medicines, and functional foods containing complex mixtures (e.g. Glycyrrhiza glabra extract, Melaleuca alternifolia essential oil, and Pistacia lentiscus resin), pure compounds (e.g. benzoic acid, berberine, eucalyptol, salicylic acid and thymol) as well as their derivatives and complexes (e.g. bismuth subsalicylate and zinc pyrithione) have been identified. The effectiveness of many of these products is illustrated by results of clinical trials and supported by data on there in vitro antimicrobial activity. A broad spectrum of various commercial products currently available on the market and their welldocumented clinical efficacy suggests that plants are prospective sources for the identification of new types of antimicrobial agents in future. Innovative approaches and methodologies for effective proof-of-concept research and the development of new types of plant-derived products effective against recently emerging problems related to human microbial diseases (e.g. antimicrobial resistance) are also proposed in this review.
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Affiliation(s)
- Ladislav Kokoska
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Prague - Suchdol, 165 00, Czech Republic
| | - Pavel Kloucek
- Department of Quality of Agricultural Products, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, Prague - Suchdol, 165 00, Czech Republic
| | - Olga Leuner
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Prague - Suchdol, 165 00, Czech Republic
| | - Pavel Novy
- Department of Quality of Agricultural Products, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, Prague - Suchdol, 165 00, Czech Republic
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González A, Salillas S, Velázquez-Campoy A, Espinosa Angarica V, Fillat MF, Sancho J, Lanas Á. Identifying potential novel drugs against Helicobacter pylori by targeting the essential response regulator HsrA. Sci Rep 2019; 9:11294. [PMID: 31383920 PMCID: PMC6683298 DOI: 10.1038/s41598-019-47746-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 07/23/2019] [Indexed: 02/06/2023] Open
Abstract
The increasing antibiotic resistance evolved by Helicobacter pylori has alarmingly reduced the eradication rates of first-line therapies. To overcome the current circulating resistome, we selected a novel potential therapeutic target in order to identify new candidate drugs for treating H. pylori infection. We screened 1120 FDA-approved drugs for molecules that bind to the essential response regulator HsrA and potentially inhibit its biological function. Seven natural flavonoids were identified as HsrA binders. All of these compounds noticeably inhibited the in vitro DNA binding activity of HsrA, but only four of them, apigenin, chrysin, kaempferol and hesperetin, exhibited high bactericidal activities against H. pylori. Chrysin showed the most potent bactericidal activity and the most synergistic effect in combination with clarithromycin or metronidazole. Flavonoid binding to HsrA occurs preferably at its C-terminal effector domain, interacting with amino acid residues specifically involved in forming the helix-turn-helix DNA binding motif. Our results validate the use of HsrA as a novel and effective therapeutic target in H. pylori infection and provide molecular evidence of a novel antibacterial mechanism of some natural flavonoids against H. pylori. The results further support the valuable potential of natural flavonoids as candidate drugs for novel antibacterial strategies.
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Affiliation(s)
- Andrés González
- Aragon Institute for Health Research (IIS Aragón), San Juan Bosco 13, 50009, Zaragoza, Spain.
- Institute for Biocomputation and Physics of Complex Systems, Mariano Esquillor (Edif. I + D), 50018, Zaragoza, Spain.
| | - Sandra Salillas
- Institute for Biocomputation and Physics of Complex Systems, Mariano Esquillor (Edif. I + D), 50018, Zaragoza, Spain
- Department of Biochemistry & Molecular and Cell Biology, University of Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Adrián Velázquez-Campoy
- Institute for Biocomputation and Physics of Complex Systems, Mariano Esquillor (Edif. I + D), 50018, Zaragoza, Spain
- CIBERehd, Monforte de Lemos 3-5, 28029, Madrid, Spain
- ARAID Foundation, Ranillas 1-D, 500018, Zaragoza, Spain
| | - Vladimir Espinosa Angarica
- Cancer Science Institute, National University of Singapore, 14 Medical Drive, #12-01, 117599, Singapore, Singapore
| | - María F Fillat
- Institute for Biocomputation and Physics of Complex Systems, Mariano Esquillor (Edif. I + D), 50018, Zaragoza, Spain
- Department of Biochemistry & Molecular and Cell Biology, University of Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Javier Sancho
- Aragon Institute for Health Research (IIS Aragón), San Juan Bosco 13, 50009, Zaragoza, Spain
- Institute for Biocomputation and Physics of Complex Systems, Mariano Esquillor (Edif. I + D), 50018, Zaragoza, Spain
- Department of Biochemistry & Molecular and Cell Biology, University of Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Ángel Lanas
- Aragon Institute for Health Research (IIS Aragón), San Juan Bosco 13, 50009, Zaragoza, Spain
- CIBERehd, Monforte de Lemos 3-5, 28029, Madrid, Spain
- Department of Medicine, Psychiatry and Dermatology, University of Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
- Digestive Diseases Service, University Clinic Hospital Lozano Blesa, San Juan Bosco 15, 50009, Zaragoza, Spain
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Yoon JY, Cha JM, Hong SS, Kim HK, Kwak MS, Jeon JW, Shin HP. Fermented milk containing Lactobacillus paracasei and Glycyrrhiza glabra has a beneficial effect in patients with Helicobacter pylori infection: A randomized, double-blind, placebo-controlled study. Medicine (Baltimore) 2019; 98:e16601. [PMID: 31464895 PMCID: PMC6736393 DOI: 10.1097/md.0000000000016601] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Lactobacillus paracasei and Glycyrrhiza glabra have been reported as having beneficial effects on Helicobacter pylori infection. We aimed to assess the efficacy and safety of fermented milk containing L paracasei HP7 and G glabra in patients with H pylori infection. METHODS This multicenter, prospective, randomized, double-blind, placebo-controlled clinical trial was conducted in 2 hospitals from April to December 2017. Patients with H pylori infection were randomized into either the treatment group (fermented milk with L paracasei HP7 and G glabra) or placebo group (fermented milk only) once daily for 8 weeks. The primary endpoint was the gastric load of H pylori measured by C-urea breath test (UBT). Secondary endpoints were histologic and clinical improvement. RESULTS A total of 142 patients were randomly allocated to the treatment (n = 71) or placebo groups (n = 71). Compared to baseline data, the quantitative value of C-UBT at 8 weeks was significantly reduced in the treatment group (from 20.8 ± 13.2% to 16.9 ± 10.8%, P = .035), but not in the placebo group (P = .130). Chronic inflammation improved significantly only in the treatment group (P = .013), whereas the neutrophil activity deteriorated significantly only in the placebo group (P = .003). Moreover, the treatment group had significant improvement in gastrointestinal symptoms (P = .049) and quality of life (P = .029). No serious adverse events were observed. CONCLUSION The combination of fermented milk containing L paracasei and G glabra reduced H pylori density and improved histologic inflammation. However, their mechanisms of action should be elucidated in further studies.
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Affiliation(s)
- Jin Young Yoon
- Department of Internal Medicine, Division of Gastroenterology, Kyung Hee University Hospital at Gang Dong, Kyung Hee University School of Medicine
| | - Jae Myung Cha
- Department of Internal Medicine, Division of Gastroenterology, Kyung Hee University Hospital at Gang Dong, Kyung Hee University School of Medicine
| | | | - Hyung Kyung Kim
- Department of Medicine, Graduate School, Kyung Hee University, Seoul, Korea
| | - Min Seob Kwak
- Department of Internal Medicine, Division of Gastroenterology, Kyung Hee University Hospital at Gang Dong, Kyung Hee University School of Medicine
| | - Jung Won Jeon
- Department of Internal Medicine, Division of Gastroenterology, Kyung Hee University Hospital at Gang Dong, Kyung Hee University School of Medicine
| | - Hyun Phil Shin
- Department of Internal Medicine, Division of Gastroenterology, Kyung Hee University Hospital at Gang Dong, Kyung Hee University School of Medicine
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Thalji RK, Raha K, Andreotti D, Checchia A, Cui H, Meneghelli G, Profeta R, Tonelli F, Tommasi S, Bakshi T, Donovan BT, Howells A, Jain S, Nixon C, Quinque G, McCloskey L, Bax BD, Neu M, Chan PF, Stavenger RA. Structure-guided design of antibacterials that allosterically inhibit DNA gyrase. Bioorg Med Chem Lett 2019; 29:1407-1412. [DOI: 10.1016/j.bmcl.2019.03.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/15/2019] [Accepted: 03/21/2019] [Indexed: 12/23/2022]
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An experimental in-vitro study to evaluate the anti-helicobacter activity of Glycyrrhetinic acid. REV ROMANA MED LAB 2019. [DOI: 10.2478/rrlm-2019-0003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Abstract
Aim: The aim of this study was to investigate the in-vitro efficacy of Glycyrrhetinic acid against Helicobacter pylori (H. pylori) strains, as compared with conventional antibacterial agents.
Methods: A total of 41 H. pylori isolates were used, 6 of which were of standard strains (NCTC 1637), 8 of which were drug-sensitive, and 27 were resistant to drugs isolates. Clarithromycin and metronidazole resistance in all strains of H. pylori were determined by the Epsilometer test (E-test) method. MIC study was performed by using microdilution broth method.
Results: Glycyrrhetinic acid was found to be effective against H. pylori NCTC 1637 in doses of 12.0±4.38 µg/mL, while the MIC value of clinical H. pylori isolates susceptible to antimicrobials was 20.8±10.11 µg/ml. It was found that the MIC values for antimicrobial-sensitive clinical H. pylori isolates was higher when compared with H. pylori NCTC 1637 strains. The MIC values of the standard antimicrobial agents against drug-resistant H. pylori strains were higher than H. pylori NCTC 1637 strains and drug-sensitive H. pylori strains. The MIC value was found to be 14.22±7.77 µg/ml for metronidazole, 3.89±1.90 µg/ml for clarithromycin, 2.33±1.0 µg/ml for amoxicillin, 2.44±0.88 µg/ml for levofloxacin and 4.89±2.47 µg/ml for tetracycline, whereas the MIC value of Glycyrrhetinic acid was 26.67±8.0 µg/ml in metronidazole-resistant H. pylori isolates. Besides, MIC values of the antimicrobials and 18ß-Glycyrrhetinic acid among the strains resistant to clarithromycin were as follows: 3.25±2.12 µg/ml for metronidazole, 9.71±4.54 µg/ml for clarithromycin, 2.06±1.32 µg/ml for amoxicillin, 3.88±4.22 µg/ml for levofloaxacin and 3.25±1.04 µg/mL for tetracycline and 22.0±11.11 µg/ml for Glycyrrhetinic acid.
Conclusion: Glycyrrhetinic acid had significant antimicrobial activity against H. pylori strains. Although further in-vivo studies are needed on antimicrobial activity of Glycyrrhetinic acid, increased resistance to drugs currently used in treatment suggests that Glycyrrhetinic acid may be a potential agent for the treatment of H. pylori.
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Asadi A, Razavi S, Talebi M, Gholami M. A review on anti-adhesion therapies of bacterial diseases. Infection 2018; 47:13-23. [PMID: 30276540 DOI: 10.1007/s15010-018-1222-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 09/14/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Infections caused by bacteria are a foremost cause of morbidity and mortality in the world. The common strategy of treating bacterial infections is by local or systemic administration of antimicrobial agents. Currently, the increasing antibiotic resistance is a serious and global problem. Since the most important agent for infection is bacteria attaching to host cells, hence, new techniques and attractive approaches that interfere with the ability of the bacteria to adhere to tissues of the host or detach them from the tissues at the early stages of infection are good therapeutic strategies. METHODS All available national and international databanks were searched using the search keywords. Here, we review various approaches to anti-adhesion therapy, including use of receptor and adhesion analogs, dietary constituents, sublethal concentrations of antibiotics, and adhesion-based vaccines. RESULTS Altogether, the findings suggest that interference with bacterial adhesion serves as a new means to fight infectious diseases. CONCLUSION Anti-adhesion-based therapies can be effective in prevention and treatment of bacterial infections, but further work is needed to elucidate underlying mechanisms.
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Affiliation(s)
- Arezoo Asadi
- Department of Microbiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Shabnam Razavi
- Department of Microbiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Malihe Talebi
- Department of Microbiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Gholami
- Department of Microbiology and Virology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
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Pastorino G, Cornara L, Soares S, Rodrigues F, Oliveira MBPP. Liquorice (Glycyrrhiza glabra): A phytochemical and pharmacological review. Phytother Res 2018; 32:2323-2339. [PMID: 30117204 PMCID: PMC7167772 DOI: 10.1002/ptr.6178] [Citation(s) in RCA: 294] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/01/2018] [Accepted: 07/20/2018] [Indexed: 01/08/2023]
Abstract
In the last years, consumers are paying much more attention to natural medicines and principles, mainly due to the general sense that natural compounds are safe. On the other hand, there is a growing demand by industry for plants used in traditional medicine that could be incorporated in foods, nutraceuticals, cosmetics, or even pharmaceuticals. Glycyrrhiza glabra Linn. belongs to the Fabaceae family and has been recognized since ancient times for its ethnopharmacological values. This plant contains different phytocompounds, such as glycyrrhizin, 18β‐glycyrrhetinic acid, glabrin A and B, and isoflavones, that have demonstrated various pharmacological activities. Pharmacological experiments have demonstrated that different extracts and pure compounds from this species exhibit a broad range of biological properties, including antibacterial, anti‐inflammatory, antiviral, antioxidant, and antidiabetic activities. A few toxicological studies have reported some concerns. This review addresses all those issues and focuses on the pharmacological activities reported for G. glabra. Therefore, an updated, critical, and extensive overview on the current knowledge of G. glabra composition and biological activities is provided here in order to explore its therapeutic potential and future challenges to be utilized for the formulation of new products that will contribute to human well‐being.
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Affiliation(s)
| | - Laura Cornara
- DISTAV, University of Genoa, Genoa, Italy.,Istituto di Biofisica, Consiglio Nazionale delle Ricerche, Genoa, Italy
| | - Sónia Soares
- LAQV/REQUIMTE, Faculty of Pharmacy, University of Porto, Porto, Portugal
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Asnaashari S, Dastmalchi S, Javadzadeh Y. Gastroprotective effects of herbal medicines (roots). INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2018. [DOI: 10.1080/10942912.2018.1473876] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Solmaz Asnaashari
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Siavash Dastmalchi
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yousef Javadzadeh
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Heidari S, Manayi A, Saeidnia S, Mighani H, Monsef Esfahani HR, Gohari AR, Setzer WN. Chemical Constituents of Cymbocarpum erythraeum (DC.) Boiss., and Evaluation of Its Anti- Helicobacter pylori Activity. Turk J Pharm Sci 2018; 15:103-106. [PMID: 32454647 DOI: 10.4274/tjps.96168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Accepted: 07/27/2017] [Indexed: 12/01/2022]
Abstract
Objective Cymbocarpum erythraeum (Apiaceae) is an endemic species in Iran. Up to now, there have been no phytochemical and biological investigations on this species. Therefore, isolation of the main secondary metabolites of the plant along with its anti-H. pylori activity have been considered in this paper. Materials and Methods The dried parts of the plant were extracted with different solvents using solvent percolation and the antibacterial activity of the extracts evaluated by the disk diffusion method. Four compounds were isolated using different column chromatography methods. Results The compounds were identified by proton nuclear magnetic resonance and carbon-13 nuclear magnetic resonance as isoquercetin (1), rutin (2), β-sitosterol (3) and 2-decenol (4). Conclusion Anti-H. pylori evaluation of the extracts and isolated compounds against three clinical isolates of H. pylori revealed that hexane extract of the plant inhibited all H. pylori strains.
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Affiliation(s)
- Samaneh Heidari
- Golestan University, Faculty of Science, Department of Chemistry, Golestan, Iran
| | - Azadeh Manayi
- Tehran University of Medical Sciences, Faculty of Pharmacy, Medicinal Plants Research Center, Tehran, Iran
| | - Soodabeh Saeidnia
- Tehran University of Medical Sciences, Faculty of Pharmacy, Medicinal Plants Research Center, Tehran, Iran
| | - Hossein Mighani
- Golestan University, Faculty of Science, Department of Chemistry, Golestan, Iran
| | | | - Ahmad Reza Gohari
- Tehran University of Medical Sciences, Faculty of Pharmacy, Medicinal Plants Research Center, Tehran, Iran
| | - William N Setzer
- University of Alabama in Huntsville, Faculty of College of Science, Departments of Chemistry, Huntsville, USA
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Wang XX, Liu GY, Yang YF, Wu XW, Xu W, Yang XW. Intestinal Absorption of Triterpenoids and Flavonoids from Glycyrrhizae radix et rhizoma in the Human Caco-2 Monolayer Cell Model. Molecules 2017; 22:molecules22101627. [PMID: 28961192 PMCID: PMC6151599 DOI: 10.3390/molecules22101627] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 09/23/2017] [Accepted: 09/27/2017] [Indexed: 01/14/2023] Open
Abstract
Glycyrrhizae radix et rhizoma has been used as a traditional Chinese medicine for the treatment of various diseases. Triterpenoids and flavonoids from the plant have many beneficial effects and their chemical structures are modified in the gastrointestinal tract after oral administration. However, absorption of these triterpenoids and flavonoids still needs to be defined. Here, the uptake and transepithelial transport of the selected major triterpenoids, glycyrrhizin (1), glycyrrhetic acid-3-O-mono-β-d-glucuronide (2), and glycyrrhetinic acid (3); and the selected major flavonoids, licochalcone A (4), licochalcone B (5), licochalcone C (6), echinatin (7), isoliquiritin apioside (8), liquiritigenin (9), liquiritin apioside (10) isolated from Glycyrrhizae radix et rhizoma, were investigated in the human intestinal epithelium-like Caco-2 cell monolayer model. Compounds 3, 5–7, and 9 were designated as well-absorbed compounds, 2 and 4 were designated as moderately absorbed ones, and 1, 8, and 10 were assigned for the poorly absorbed ones. The absorption mechanism of well and moderately absorbed compound was mainly passive diffusion to pass through the human intestinal Caco-2 cell monolayer. These findings provided useful information for predicting their oral bioavailability and the clinical application.
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Affiliation(s)
- Xiao-Xue Wang
- School of Life Science and Technology, Beijing Institute of Technology, No. 5, Zhongguancun South Street, Haidian District, Beijing 100081, China.
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Peking University, No. 38, Xueyuan Road, Haidian District, Beijing 100191, China.
| | - Gui-Yan Liu
- School of Life Science and Technology, Beijing Institute of Technology, No. 5, Zhongguancun South Street, Haidian District, Beijing 100081, China.
| | - Yan-Fang Yang
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Peking University, No. 38, Xueyuan Road, Haidian District, Beijing 100191, China.
| | - Xiu-Wen Wu
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Peking University, No. 38, Xueyuan Road, Haidian District, Beijing 100191, China.
| | - Wei Xu
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Peking University, No. 38, Xueyuan Road, Haidian District, Beijing 100191, China.
| | - Xiu-Wei Yang
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Peking University, No. 38, Xueyuan Road, Haidian District, Beijing 100191, China.
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Yang Y, Wang S, Bao YR, Li TJ, Yang GL, Chang X, Meng XS. Anti-ulcer effect and potential mechanism of licoflavone by regulating inflammation mediators and amino acid metabolism. JOURNAL OF ETHNOPHARMACOLOGY 2017; 199:175-182. [PMID: 28159726 DOI: 10.1016/j.jep.2017.01.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 12/21/2016] [Accepted: 01/30/2017] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Glycyrrhiza is the dry root and rhizome of the leguminous plant, Glycyrrhiza uralensis Fisch., Glycyrrhiza inflata Bat. or Glycyrrhiza glabra L., which was firstly cited in Shennong's Herbal Classic in Han dynasty and was officially listed in the Chinese Pharmacopoeia, has been widely used in China during the past millennia. Licoflavone is the major component of Glycyrrhiza with anti-ulcer activity. The present study is based on clarifying the anti-ulcer effect of licoflavone, aiming at elucidating the possible molecule mechanisms of its action for treating gastric ulcer rats induced by acetic acid. MATERIALS AND METHODS Rats were divided into 7 groups, and drugs were administered from on the day after the onset of gastric ulcer (day 3) until day 11 of the experiment once daily continuously. The plasma were analyzed by high-performance liquid chromatography combined with time-of-flight mass spectrometry (HPLC/ESI-TOF-MS), significant different metabolites were investigated to explain its therapeutic mechanism. Furthermore, quantitative real time polymerase chain reaction (RT-PCR) analysis was performed to detect the expression of RNA in stomach tissue for verifying the above results. RESULTS Licoflavone can effectively cure the gastric ulcer, particularly the middle dose group. According to the statistical analysis of the plasma different metabolites from each groups and the expression of genes in tissues, sixteen significant different metabolites, including histamine, tryptophan, arachidonic acid, phingosine-1-phosphate etc., contributing to the treatment of gastric ulcer were discovered and identified. In RT-PCR analysis, the results of the expression of RNA were corresponded with what we discovered. CONCLUSIONS Our study indicated licoflavone plays the role of treating gastric ulcer by regulating inflammation mediators and amino acid metabolism. We demonstrated that metabolomics technology combined with gene technology is a useful tool to search different metabolites and to dissect the potential mechanisms of traditional Chinese medicine (TCM) in treating gastric ulcer.
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Affiliation(s)
- Yi Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China.
| | - Shuai Wang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China; Liaoning University of Traditional Chinese Medicine-Agilent Technologies Modern TCM and Multi-omics Research Collaboration Lab, Dalian, PR China.
| | - Yong-Rui Bao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China; Liaoning University of Traditional Chinese Medicine-Agilent Technologies Modern TCM and Multi-omics Research Collaboration Lab, Dalian, PR China.
| | - Tian-Jiao Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China; Liaoning University of Traditional Chinese Medicine-Agilent Technologies Modern TCM and Multi-omics Research Collaboration Lab, Dalian, PR China.
| | - Guan-Lin Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China.
| | - Xin Chang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China.
| | - Xian-Sheng Meng
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China; Liaoning University of Traditional Chinese Medicine-Agilent Technologies Modern TCM and Multi-omics Research Collaboration Lab, Dalian, PR China.
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Öztürk M, Altay V, Hakeem KR, Akçiçek E. Economic Importance. LIQUORICE 2017. [PMCID: PMC7120331 DOI: 10.1007/978-3-319-74240-3_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The beneficial effects of liquorice in treating chills, colds, and coughs have been fully discussed in Ayurveda, as well as in the texts of ancient Egyptians, Greeks, and Romans. The plant has been prescribed for dropsy during the period of famous Hippocrates. The reason being that it was quite helpful as thirst-quenching drugs (Biondi et al. in J Nat Prod 68:1099–1102, 2005; Mamedov and Egamberdieva in Herbals and human health-phytochemistry. Springer Nature Publishers, 41 pp, 2017). No doubt, the clinical use of liquorice in modern medicine started around 1930; Pedanios Dioscorides of Anazarba (Adana), first century AD-Father of Pharmacists, mentions that it is highly effective in the treatment of stomach and intestinal ulcers. In Ayurveda, people in ancient Hindu culture have used it for improving sexual vigor.
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Affiliation(s)
- Münir Öztürk
- Department of Botany and Center for Environmental Studies, Ege University, Izmir, Turkey
| | - Volkan Altay
- Department of Biology, Faculty of Science and Arts, Mustafa Kemal University, Hatay, Turkey
| | - Khalid Rehman Hakeem
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Eren Akçiçek
- Department of Gastroenterology, Faculty of Medicine, Ege University, Izmir, Turkey
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Hajiaghamohammadi AA, Zargar A, Oveisi S, Samimi R, Reisian S. To evaluate of the effect of adding licorice to the standard treatment regimen of Helicobacter pylori. Braz J Infect Dis 2016; 20:534-538. [PMID: 27614124 PMCID: PMC9427648 DOI: 10.1016/j.bjid.2016.07.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 07/28/2016] [Accepted: 07/29/2016] [Indexed: 12/20/2022] Open
Abstract
Objective The aim of this study was to evaluate the effect of licorice in H. pylori eradication in patients suffering from dyspepsia either with peptic ulcer disease (PUD) or non-ulcer dyspepsia (NUD) in comparison to the clarithromycin-based standard triple regimen. Methods In this randomized controlled clinical trial, 120 patients who had positive rapid urease test were included and assigned to two treatment groups: control group that received a clarithromycin-based triple regimen, and study group that received licorice in addition to the clarithromycin-based regimen for two weeks. H. pylori eradication was assessed six weeks after therapy. Data was analyzed by chi-square and t-test with SPSS 16 software. Results Mean ages and SD were 38.8 ± 10.9 and 40.1 ± 10.4 for the study and control groups, respectively, statistically similar. Peptic ulcer was found in 30% of both groups. Response to treatment was 83.3% and 62.5% in the study and control groups, respectively. This difference was statistically significant. Conclusion Addition of licorice to the triple clarithromycin-based regimen increases H. pylori eradication, especially in the presence of peptic ulcer disease.
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Affiliation(s)
- Ali Akbar Hajiaghamohammadi
- Qazvin University of Medical Sciences, Velayat Clinical Research Development Unit, Department of Internal Medicine, Qazvin, Iran
| | - Ali Zargar
- Qazvin University of Medical Sciences, Velayat Clinical Research Development Unit, Department of Internal Medicine, Qazvin, Iran
| | - Sonia Oveisi
- Qazvin University of Medical Sciences, Metabolic Diseases Research Center, Qazvin, Iran
| | - Rasoul Samimi
- Qazvin University of Medical Sciences, Velayat Clinical Research Development Unit, Department of Internal Medicine, Qazvin, Iran
| | - Sedigheh Reisian
- Qazvin University of Medical Sciences, Velayat Clinical Research Development Unit, Department of Internal Medicine, Qazvin, Iran.
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Shults EE, Shakirov MM, Pokrovsky MA, Petrova TN, Pokrovsky AG, Gorovoy PG. Phenolic compounds from Glycyrrhiza pallidiflora Maxim. and their cytotoxic activity. Nat Prod Res 2016; 31:445-452. [PMID: 27210480 DOI: 10.1080/14786419.2016.1188094] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Twenty-one phenolic compounds (1-21) including dihydrocinnamic acid, isoflavonoids, flavonoids, coumestans, pterocarpans, chalcones, isoflavan and isoflaven, were isolated from the roots of Glycyrrhiza pallidiflora Maxim. Phloretinic acid (1), chrysin (6), 9-methoxycoumestan (8), isoglycyrol (9), 6″-O-acetylanonin (19) and 6″-O-acetylwistin (21) were isolated from G. pallidiflora for the first time. Isoflavonoid acetylglycosides 19, 21 might be artefacts that could be produced during the EtOAc fractionation process of whole extract. Compounds 2-4, 10, 11, 19 and 21 were evaluated for their cytotoxic activity with respect to model cancer cell lines (CEM-13, MT-4, U-937) using the conventional MTT assays. Isoflavonoid calycosin (4) showed the best potency against human T-cell leukaemia cells MT-4 (CTD50, 2.9 μM). Pterocarpans medicarpin (10) and homopterocarpin (11) exhibit anticancer activity in micromolar range with selectivity on the human monocyte cells U-937. The isoflavan (3R)-vestitol (16) was highly selective on the lymphoblastoid leukaemia cells CEM-13 and was more active than the drug doxorubicin.
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Affiliation(s)
- Elvira E Shults
- a Novosibirsk Institute of Organic Chemistry, Siberian Branch , Russian Academy of Sciences , Novosibirsk , Russia.,b Medicinal Department , Novosibirsk State University , Novosibirsk , Russia
| | - Makhmut M Shakirov
- a Novosibirsk Institute of Organic Chemistry, Siberian Branch , Russian Academy of Sciences , Novosibirsk , Russia
| | - Mikhail A Pokrovsky
- b Medicinal Department , Novosibirsk State University , Novosibirsk , Russia
| | - Tatijana N Petrova
- a Novosibirsk Institute of Organic Chemistry, Siberian Branch , Russian Academy of Sciences , Novosibirsk , Russia
| | - Andrey G Pokrovsky
- b Medicinal Department , Novosibirsk State University , Novosibirsk , Russia
| | - Petr G Gorovoy
- c G.B. Elyakov Pacific Institute of Bioorganic Chemistry , Far Eastern Branch of the Russian Academy of Sciences , Vladivostok , Russia
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Klesiewicz K, Karczewska E, Budak A, Marona H, Szkaradek N. Anti-Helicobacter pylori activity of some newly synthesized derivatives of xanthone. J Antibiot (Tokyo) 2016; 69:825-834. [DOI: 10.1038/ja.2016.36] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 01/19/2016] [Accepted: 02/23/2016] [Indexed: 12/20/2022]
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