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Sadeghi M, Miroliaei M, Ghanadian M, Szumny A, Rahimmalek M. Exploring the inhibitory properties of biflavonoids on α-glucosidase; computational and experimental approaches. Int J Biol Macromol 2023; 253:127380. [PMID: 37838108 DOI: 10.1016/j.ijbiomac.2023.127380] [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] [Received: 05/04/2023] [Revised: 09/14/2023] [Accepted: 10/09/2023] [Indexed: 10/16/2023]
Abstract
Biflavonoids (BFs) are a group of polyphenols that have a unique biochemical structure. One of the key biomedical mechanisms that BFs can have high potential in managing Diabetes mellitus (DM) is α-glucosidase inhibition. Normally, elevated blood glucose levels are caused by high absorption of glucose in the epithelium of the small intestine. Since α-glucosidase helps increase the absorption of glucose in the small intestine in the final stage of glycan catabolism, inhibition of this essential biochemical process in diabetic patients can be considered a suitable approach in the treatment of this disease. The interaction between the BFs and α-glucosidase are still not clear, and need to be deeply investigated. Herein, the aim is to identify BFs with strong α-glucosidase inhibitory activity. Using docking-based virtual screening approach, the potential binding affinity of 18 selected BFs to α-glucosidase was evaluated. The dynamic activity and stability of α-glucosidase-BFs complexes were then measured by molecular dynamics simulation (MDs). "Strychnobiflavone" showed the best score in α-glucosidase inhibition. Arg315 and Phe303 involved in the interactions of α-glucosidase-strychnobiflavone complex through cation-π and π-π stacking, respectively. Based on in vitro kinetic studies, it was determined that the type of inhibition of "strychnobiflavone" corresponds to the pattern of mixed inhibitors. Furthermore, details of the interactions between strychnobiflavone and α-glucosidase were performed by in silico secondary structure content analysis. The findings showed when "strychnobifone" binds to the enzyme, significant alterations occur in the enzyme conformation affecting its catalytic activity. In general, the findings highlighted the potential of "strychnobiflavone" as a promising candidate for the treatment of diabetes mellitus through α-glucosidase inhibition. Further in vitro and in vivo studies have to confirm the therapeutic benefits of "strychnobiflavone" in conformational diseases such as diabetes mellitus.
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Affiliation(s)
- Morteza Sadeghi
- Faculty of Biological Science and Technology, Department of Cell and Molecular Biology & Microbiology, University of Isfahan, Isfahan, Iran.
| | - Mehran Miroliaei
- Faculty of Biological Science and Technology, Department of Cell and Molecular Biology & Microbiology, University of Isfahan, Isfahan, Iran.
| | - Mustafa Ghanadian
- Department of Pharmacognosy, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Antoni Szumny
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland
| | - Mehdi Rahimmalek
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland; Department of Horticulture, College of Agriculture, Isfahan University of Technology, 84156-83111 Isfahan, Iran
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Kernou ON, Azzouz Z, Madani K, Rijo P. Application of Rosmarinic Acid with Its Derivatives in the Treatment of Microbial Pathogens. Molecules 2023; 28:molecules28104243. [PMID: 37241981 DOI: 10.3390/molecules28104243] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
The emergence of the antimicrobial resistance phenomena on and the harmful consequences of the use of antibiotics motivate the necessity of innovative antimicrobial therapies, while natural substances are considered a promising alternative. Rosmarin is an original plant compound listed among the hydroxycinnamic acids. This substance has been widely used to fight microbial pathology and chronic infections from microorganisms like bacteria, fungi and viruses. Also, various derivatives of rosmarinic acid, such as the propyl ester of rosmarinic acid, rosmarinic acid methyl ester or the hexyl ester of rosmarinic acid, have been synthesized chemically, which have been isolated as natural antimicrobial agents. Rosmarinic acid and its derivatives were combined with antibiotics to obtain a synergistic effect. This review reports on the antimicrobial effects of rosmarinic acid and its associated derivatives, both in their free form and in combination with other microbial pathogens, and mechanisms of action.
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Affiliation(s)
- Ourdia-Nouara Kernou
- Laboratoire de Biomathématiques, Biophysique, Biochimie, et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia 06000, Algeria
| | - Zahra Azzouz
- Laboratoire de Microbiologie Appliquée (LMA), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia 06000, Algeria
| | - Khodir Madani
- Laboratoire de Biomathématiques, Biophysique, Biochimie, et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia 06000, Algeria
- Centre de Recherche en Technologie Agroalimentaire (CRTAA), Route de Targua-Ouzemour, Bejaia 06000, Algeria
| | - Patricia Rijo
- CBIOS-Centro de Investigação em Biociências e Tecnologias da Saúde, Universida de Lusófona, Campo Grande 376, 1749-028 Lisbon, Portugal
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Liboa, 1649-003 Lisboa, Portugal
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Zhao S, Li J, Liu J, Xiao S, Yang S, Mei J, Ren M, Wu S, Zhang H, Yang X. Secondary metabolites of Alternaria: A comprehensive review of chemical diversity and pharmacological properties. Front Microbiol 2023; 13:1085666. [PMID: 36687635 PMCID: PMC9852848 DOI: 10.3389/fmicb.2022.1085666] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/17/2022] [Indexed: 01/09/2023] Open
Abstract
Fungi are considered to be one of the wealthiest sources of bio-metabolites that can be employed for yielding novel biomedical agents. Alternaria, including parasitic, saprophytic, and endophytic species, is a kind of dark fungi that can produce a broad array of secondary metabolites (SMs) widely distributed in many ecosystems. These are categorized into polyketides, nitrogen-containing compounds, quinones, terpenes, and others based on the unique structural features of the metabolites. New natural products derived from Alternaria exhibit excellent bioactivities characterized by antibacterial, antitumor, antioxidative, phytotoxic, and enzyme inhibitory properties. Thus, the bio-metabolites of Alternaria species are significantly meaningful for pharmaceutical, industrial, biotechnological, and medicinal applications. To update the catalog of secondary metabolites synthesized by Alternaria fungi, 216 newly described metabolites isolated from Alternaria fungi were summarized with their diverse chemical structures, pharmacological activity, and possible biosynthetic pathway. In addition, possible insights, avenues, and challenges for future research and development of Alternaria are discussed.
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Affiliation(s)
- Shiqin Zhao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Juan Li
- Department of Pharmacy, Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinping Liu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Shaoyujia Xiao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Sumei Yang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Jiahui Mei
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Mengyao Ren
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Shuzhe Wu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Hongyuan Zhang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Xiliang Yang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China,*Correspondence: Xiliang Yang
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Mohammadi-Liri A, Parsa-Khankandi H, Dehnoee A, Mojtabavi S, Faramarzi MA, Delnavazi MR. α-Glucosidase inhibitors from the aerial part of Thymus fedtschenkoi: isolation, kinetic and molecular docking study. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02511-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Dharsono HDA, Putri SA, Kurnia D, Dudi D, Satari MH. Ocimum Species: A Review on Chemical Constituents and Antibacterial Activity. Molecules 2022; 27:molecules27196350. [PMID: 36234883 PMCID: PMC9573401 DOI: 10.3390/molecules27196350] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 12/08/2022] Open
Abstract
Infection by bacteria is one of the main problems in health. The use of commercial antibiotics is still one of the treatments to overcome these problems. However, high levels of consumption lead to antibiotic resistance. Several types of antibiotics have been reported to experience resistance. One solution that can be given is the use of natural antibacterial products. There have been many studies reporting the potential antibacterial activity of the Ocimum plant. Ocimum is known to be one of the medicinal plants that have been used traditionally by local people. This plant contains components of secondary metabolites such as phenolics, flavonoids, steroids, terpenoids, and alkaloids. Therefore, in this paper, we will discuss five types of Ocimum species, namely O. americanum, O. basilicum, O. gratissimum, O. campechianum, and O. sanctum. The five species are known to contain many chemical constituents and have good antibacterial activity against several pathogenic bacteria.
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Affiliation(s)
- Hendra Dian Adhita Dharsono
- Department of Conservative Dentistry, Faculty of Dentistry, Universitas Padjadjaran, Sumedang 45363, West Java, Indonesia
- Correspondence: ; Tel.: +62-8156223343
| | - Salsabila Aqila Putri
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, West Java, Indonesia
| | - Dikdik Kurnia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, West Java, Indonesia
| | - Dudi Dudi
- Department of Livestock Production, Faculty of Animal Husbandry, Universitas Padjadjaran, Sumedang 45363, West Java, Indonesia
| | - Mieke Hemiawati Satari
- Department of Oral Biology, Faculty of Dentistry, Universitas Padjadjaran, Sumedang 45363, West Java, Indonesia
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Sadeghi M, Sheikhi M, Miroliaei M. Control of eriocitrin release from pH-sensitive gelatin-based microgels to inhibit α-glucosidase: an experimental and computational study. Food Funct 2022; 13:10055-10068. [PMID: 36093798 DOI: 10.1039/d2fo00824f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
α-Glucosidase is among the intestinal epithelial enzymes that produce absorbable glucose in the final stage of glycan catabolism. It leads to an increase in blood glucose levels as a result of high glucose uptake in diabetic patients. However, inhibition of this essential biochemical process can be a useful therapeutic approach to diabetes mellitus (DM). Eriocitrin (ER) is an abundant "flavanone glycoside" in citrus fruits with rich antioxidant properties whose effects on α-Glu inhibition in the small intestine remain to be determined. Herein, pH-sensitive microgels (MGs) were designed based on cross-linked methacrylate with acrylamide (AM) and acrylic acid (AAc) (molar ratio 70 : 30 of AAc : AM) as a controlled release system for sustained delivery of ER into the small intestine. The presence of amide and acrylate in MGs and the mechanical resistance were determined using FT-IR spectroscopy, rheology, and viscoelastometry. In vitro experiments showed that MGs could protect ER against diffusion in the gastric location and adjust its release in the intestinal milieu. The intestinal α-Glu activity was inhibited by ER (IC50 value of 12.50 ± 0.73 μM) in an uncompetitive dose-dependent manner. The presence of ER altered the structure of α-Glu and reduced the hydrophobic pockets of the enzyme. Molecular docking analysis along with molecular dynamics simulation displayed that ER-α-Glu formation is directed by hydrogen binding with Asp69, Asp215, Glu411, Asp307, and Tyr347 residues. Moreover, in vivo assessment showed that rat blood glucose concentration decreased after ER administration compared with the control group. The results highlight that ER-loaded-MGs can be considered as a useful releasing strategy in treating DM via α-Glu inhibition.
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Affiliation(s)
- Morteza Sadeghi
- Faculty of Biological Science and Technology, Department of Cell and Molecular Biology & Microbiology, University of Isfahan, Isfahan, Iran.
| | - Mehdi Sheikhi
- Polymer Chemistry Research Laboratory, Department of Chemistry, University of Isfahan, Isfahan, Iran
| | - Mehran Miroliaei
- Faculty of Biological Science and Technology, Department of Cell and Molecular Biology & Microbiology, University of Isfahan, Isfahan, Iran.
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Guan H, Luo W, Bao B, Cao Y, Cheng F, Yu S, Fan Q, Zhang L, Wu Q, Shan M. A Comprehensive Review of Rosmarinic Acid: From Phytochemistry to Pharmacology and Its New Insight. Molecules 2022; 27:3292. [PMID: 35630768 PMCID: PMC9143754 DOI: 10.3390/molecules27103292] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/13/2022] [Accepted: 05/18/2022] [Indexed: 12/13/2022] Open
Abstract
Polyphenolic acids are the widely occurring natural products in almost each herbal plant, among which rosmarinic acid (RA, C18H16O8) is well-known, and is present in over 160 species belonging to many families, especially the Lamiaceae. Aside from this herbal ingredient, dozens of its natural derivatives have also been isolated and characterized from many natural plants. In recent years, with the increasing focus on the natural products as alternative treatments, a large number of pharmacological studies have been carried out to demonstrate the various biological activities of RA such as anti-inflammation, anti-oxidation, anti-diabetes, anti-virus, anti-tumor, neuroprotection, hepatoprotection, etc. In addition, investigations concerning its biosynthesis, extraction, analysis, clinical applications, and pharmacokinetics have also been performed. Although many achievements have been made in various research aspects, there still exist some problems or issues to be answered, especially its toxicity and bioavailability. Thus, we hope that in the case of natural products, the present review can not only provide a comprehensive understanding on RA covering its miscellaneous research fields, but also highlight some of the present issues and future perspectives worth investigating later, in order to help us utilize this polyphenolic acid more efficiently, widely, and safely.
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Affiliation(s)
- Huaquan Guan
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.G.); (W.L.); (Q.F.)
| | - Wenbin Luo
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.G.); (W.L.); (Q.F.)
| | - Beihua Bao
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; (B.B.); (Y.C.); (F.C.); (S.Y.); (L.Z.); (Q.W.)
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yudan Cao
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; (B.B.); (Y.C.); (F.C.); (S.Y.); (L.Z.); (Q.W.)
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Fangfang Cheng
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; (B.B.); (Y.C.); (F.C.); (S.Y.); (L.Z.); (Q.W.)
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Sheng Yu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; (B.B.); (Y.C.); (F.C.); (S.Y.); (L.Z.); (Q.W.)
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qiaoling Fan
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; (H.G.); (W.L.); (Q.F.)
| | - Li Zhang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; (B.B.); (Y.C.); (F.C.); (S.Y.); (L.Z.); (Q.W.)
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qinan Wu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; (B.B.); (Y.C.); (F.C.); (S.Y.); (L.Z.); (Q.W.)
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Mingqiu Shan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; (B.B.); (Y.C.); (F.C.); (S.Y.); (L.Z.); (Q.W.)
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
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Hypoglycemic effects of black brick tea with fungal growth in hyperglycemic mice model. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2021.12.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Nyemb JN, Tchuenguem RT, Venditti A, Tchinda AT, Henoumont C, Talla E, Laurent S, Iqbal J. Antimicrobial and α-glucosidase inhibitory activities of chemical constituents from Gardenia aqualla (Rubiaceae). Nat Prod Res 2022; 36:6369-6374. [PMID: 35073788 DOI: 10.1080/14786419.2022.2031187] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
An aliphatic alkene namely pentapentacontene (4) was isolated for the first time from a natural source, Gardenia aqualla, along with fourteen other compounds including nonacosanol (1), tetratriacontanol (2), octatriacontanol (3), β-sitosterol (5) and stigmasterol (6), daucosanol (7), ursolic acid (8), uvaol (9), 3β,19α,23β,24α-tetrahydroxyurs-12-en-28-oic acid (10), lupenone (11), oleanolic acid (12), vanillin (13), vanillic acid (14) and D-mannitol (15). α-glucosidase inhibitory assay revealed that MeOH and EtOAc extracts of leaves had the best activity with IC50 of 9.65 and 20.03 µg/ml respectively. All the tested compounds showed dose dependent inhibition of α-glucosidase and some of them were found to be comparable to acarbose. Compound 10 was the most potent with IC50 = 1.72 μM. It also showed the most interesting antibacterial activity, against the isolate strain of S. typhi and P. aeruginosa and also exhibited the most significant antifungal activities against all the tested yeasts.
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Affiliation(s)
- Jean Noël Nyemb
- Department of Refining and Petrochemistry, National Advanced School of Mines and Petroleum Industries, University of Maroua, Kaélé, Cameroon.,Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad, Pakistan
| | | | | | - Alembert Tiabou Tchinda
- Institute of Medical Research and Medicinal Plants Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon
| | - Céline Henoumont
- Department of General, Organic and Biomedical Chemistry, Faculty of Medicine and Pharmacy, University of Mons, NMR and Molecular Imaging Laboratory, Mons, Belgium
| | - Emmanuel Talla
- Department of Chemistry, Faculty of Science, University of Ngaoundéré, Ngaoundéré, Cameroon
| | - Sophie Laurent
- Department of General, Organic and Biomedical Chemistry, Faculty of Medicine and Pharmacy, University of Mons, NMR and Molecular Imaging Laboratory, Mons, Belgium
| | - Jamshed Iqbal
- Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad, Pakistan
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Semaoui R, Ouafi S, Machado S, Barros L, Ferreira ICFR, Oliveira MBPP. Infusion of aerial parts of Salvia chudaei Batt. & Trab. from Algeria: Chemical, toxicological and bioactivities characterization. JOURNAL OF ETHNOPHARMACOLOGY 2021; 280:114455. [PMID: 34320383 DOI: 10.1016/j.jep.2021.114455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/17/2021] [Accepted: 07/24/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Salvia chudaei Batt. & Trab. from Algeria is traditionally used to relieve several dysfunctions, including inflammatory and pain-related situations. AIM OF THE STUDY This work aimed to confirm scientifically the referred properties. For that, the phenolic composition and antioxidant activity were evaluated as well as acute toxicity, anti-inflammatory and analgesic effects of different doses of the infusion of S. chudaei aerial parts. MATERIALS AND METHODS Infusion of aerial parts of S. chudaei was prepared and screened for phenolic composition by generalized methods TPC and TFC then by LC-DAD-ESI/MSn. DPPH and FRAP were used to evaluate antioxidant activity. Using mice, acute toxicity, anti-inflammatory by carrageenan-induced paw edema, and analgesic by acetic acid-induced writhing and formalin-induced pain activities were tested. RESULTS The infusion showed 2018 mg GAE/100g DW of phenolics and 1956 mg ECE/100g DW of flavonoids. Phenolic profile by LC-DAD-ESI/MSn revealed the presence of ten compounds: syringic acid hexoside derivative, kaempferol-O-diglucuronide, kaempferol-O-deoxyhexoside-hexoside, kaempferol-O-glucuronide, apigenin-O-diglucuronide, caffeic acid, 4-O-caffeoylquinic acid, eriodictyol-O-glucuronide, rosmarinic acid hexoside, and rosmarinic acid. This acid was the major compound representing 54% of the total content of the identified compounds and an absolute content of 18 mg/g of extract. Additionally, the infusion exhibited a good antioxidant activity (DPPH: 81 μmol TE/g DW, FRAP: 438 μmol FSE/g DW). By oral administration to mice, the infusion showed a significant (p<0.05) dose-dependent reduction of carrageenan-induced inflammation and inhibition of formalin-induced pain (late and early phase) and acetic acid-induced writhing compared with the control. On the other hand, infusion up to 8 g/kg b.w. showed no signs of toxicity or mortality. CONCLUSION This study reveals, for the first time, that the infusion of the aerial parts of S. chudaei is not toxic in a single dose and has remarkable antioxidant, anti-inflammatory, and analgesic activities, supporting the use of this species in folk medicine.
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Affiliation(s)
- Redouane Semaoui
- Research Laboratory on Arid Zones, Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, BP 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria; REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, R. Jorge Viterbo Ferreira, 228 4050-313 Porto, Portugal.
| | - Saida Ouafi
- Research Laboratory on Arid Zones, Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, BP 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria
| | - Susana Machado
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, R. Jorge Viterbo Ferreira, 228 4050-313 Porto, Portugal
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - M Beatriz P P Oliveira
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, R. Jorge Viterbo Ferreira, 228 4050-313 Porto, Portugal
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Extraction Processes Affect the Composition and Bioavailability of Flavones from Lamiaceae Plants: A Comprehensive Review. Processes (Basel) 2021. [DOI: 10.3390/pr9091675] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Lamiaceae plants are a widespread family of herbaceous plants with around 245 plant genera and nearly 22,576 species distributed in the world. Some of the most representative and widely studied Lamiaceae plants belong to the Ocimum, Origanum, Salvia, and Thymus genera. These plants are a rich source of bioactive molecules such as terpenes, flavonoids, and phenolic acids. In this sense, there is a subgroup of flavonoids classified as flavones. Flavones have antioxidant, anti-inflammatory, anti-cancer, and anti-diabetic potential; thus, efficient extraction techniques from their original plant matrixes have been developed. Currently, conventional extraction methods involving organic solvents are no longer recommended due to their environmental consequences, and new environmentally friendly techniques have been developed. Moreover, once extracted, the bioactivity of flavones is highly linked to their bioavailability, which is often neglected. This review aims to comprehensively gather recent information (2011–2021) regarding extraction techniques and their important relationship with the bioavailability of flavones from Lamiaceae plants including Salvia, Ocimum, Thymus, and Origanum.
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12
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Singla RK, Agarwal T, He X, Shen B. Herbal Resources to Combat a Progressive & Degenerative Nervous System Disorder- Parkinson's Disease. Curr Drug Targets 2021; 22:609-630. [PMID: 33050857 DOI: 10.2174/1389450121999201013155202] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 06/06/2020] [Accepted: 06/12/2020] [Indexed: 02/08/2023]
Abstract
Parkinson's disease is one of the most common adult-onset, a chronic disorder involving neurodegeneration, which progressively leads to deprivation of dopaminergic neurons in substantia nigra, causing a subsequent reduction of dopamine levels in the striatum resulting in tremor, myotonia, and dyskinesia. Genetics and environmental factors are believed to be responsible for the onset of Parkinson's disease. The exact pathogenesis of Parkinson's disease is quite complicated and the present anti-Parkinson's disease treatments appear to be clinically insufficient. Comprehensive researches have demonstrated the use of natural products such as ginseng, curcumin, ashwagandha, baicalein, etc. for the symptomatic treatment of this disease. The neuroprotective effects exhibited by these natural products are mainly due to their ability to increase dopamine levels in the striatum, manage oxidative stress, mitochondrial dysfunction, glutathione levels, clear the aggregation of α- synuclein, induce autophagy and decrease the pro-inflammatory cytokines and lipid peroxidation. This paper reviews various natural product studies conducted by scientists to establish the role of natural products (both metabolite extracts as well as pure metabolites) as adjunctive neuroprotective agents.
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Affiliation(s)
- Rajeev K Singla
- Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Xinchuan Road 2222, Chengdu, Sichuan, China
| | - Tanya Agarwal
- School of Medical and Allied Sciences, K.R. Mangalam University, Sohna Road, Gurugram-122103, India
| | - Xuefei He
- Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Xinchuan Road 2222, Chengdu, Sichuan, China
| | - Bairong Shen
- Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Xinchuan Road 2222, Chengdu, Sichuan, China
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Zhang M, Zhu S, Ho CT, Huang Q. Citrus polymethoxyflavones as regulators of metabolic homoeostasis: Recent advances for possible mechanisms. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.02.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Zhu C, Niu H, Nie A, Bian M. Bioactivity-guided separation of potential α-glycosidase inhibitor from clerodendranthus spicatus based on HSCCC coupled with molecular docking. Sci Rep 2021; 11:6914. [PMID: 33767281 PMCID: PMC7994796 DOI: 10.1038/s41598-021-86379-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 03/12/2021] [Indexed: 11/15/2022] Open
Abstract
Clerodendranthus Spicatus is a traditional Dais medi-edible plant and it has been proven to have good blood glucose-lowering efficacy. However, the material basis of Clerodendranthus Spicatus has not been clarified yet and therefore needs to be determined. In this paper, the effective ingredients of this medicine were purified by high-speed counter-current chromatography. Alongside, their potential hypoglycemic activity was determined by α-glucosidase inhibitory activities in vitro and molecular docking. Finally, five compounds were purified and identified as 2-caffeoyl-L-tartaric acid (1), N-(E)-caffeoyldopamine (2), rosmarinc acid (3), methyl rosmarinate (4), 6,7,8,3',4'-Pentamethoxyflavone (5). Examination of α-glucosidase inhibitory activity in vitro showed that 2-caffeoyl-L-tartaric acid and rosmarinic acid had a higher inhibitory activity than acarbose. Molecular docking indicated that the affinity energy of the identified compounds ranged from - 7.6 to - 8.6 kcal/mol, a more desirable result than acarbose (- 6.6 kcal/mol). Particularly, rosmarinc acid with the lowest affinity energy of - 8.6 kcal/mol was wrapped with 6 hydrogen bonds. Overall, α-glucosidase inhibitory activities and molecular docking suggested that rosmarinc acid was likely to be a promising hypoglycemic drug.
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Affiliation(s)
- Chunsheng Zhu
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Hongjuan Niu
- School of Pharmacy in Minzu University of China, Beijing, 100081, China
| | - Anzheng Nie
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
| | - Meng Bian
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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Tacchini M, Echeverria Guevara MP, Grandini A, Maresca I, Radice M, Angiolella L, Guerrini A. Ocimum campechianum Mill. from Amazonian Ecuador: Chemical Composition and Biological Activities of Extracts and Their Main Constituents (Eugenol and Rosmarinic Acid). Molecules 2020; 26:E84. [PMID: 33375454 PMCID: PMC7796418 DOI: 10.3390/molecules26010084] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/04/2020] [Accepted: 12/23/2020] [Indexed: 11/17/2022] Open
Abstract
The essential oil (EO), the methanolic (MeOH), and the 70% ethanolic (70% EtOH) extracts obtained from the aerial parts of Ocimum campechianum Mill. (Ecuador) were chemically characterized through gas-chromatography coupled to mass spectrometry detector (GC-MS), high-performance liquid chromatography coupled to diode array-mass spectrometry detectors (HPLC-DAD-MS) and studied for their in vitro biological activity. The radical scavenger activity, performed by spectrophotometric 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assays, highlighted significant IC50 values for the EO, extracts and their main constituents (eugenol and rosmarinic acid). EO (and eugenol) showed noteworthy activity against Pseudomonas syringae pv. syringae and a moderate effect against clinical Candida strains, with possible synergism in association to fluconazole against the latter microorganisms. The extracts and pure molecules exhibited weak cytotoxic activity against the HaCat cell line and no mutagenicity against Salmonella typhimurium TA98 and TA100 strains, giving indication of safety. Instead, EO showed a weak activity against adenocarcinomic human alveolar basal epithelial cells (A549). The above-mentioned evidence leads us to suggest a potential use of the crude drug, extracts, and EO in cosmetic formulation and food supplements as antioxidant agents. In addition, EO may also have a possible application in plant protection and anti-Candida formulations.
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Affiliation(s)
- Massimo Tacchini
- Pharmaceutical Biology Laboratory, Technopole Terra&Acqua Tech (Research Unit 7), Department of Life Sciences and Biotechnology, University of Ferrara, P.le Luciano Chiappini 3, Malborghetto di Boara, 44123 Ferrara, Italy; (M.T.); (A.G.); (I.M.)
| | | | - Alessandro Grandini
- Pharmaceutical Biology Laboratory, Technopole Terra&Acqua Tech (Research Unit 7), Department of Life Sciences and Biotechnology, University of Ferrara, P.le Luciano Chiappini 3, Malborghetto di Boara, 44123 Ferrara, Italy; (M.T.); (A.G.); (I.M.)
| | - Immacolata Maresca
- Pharmaceutical Biology Laboratory, Technopole Terra&Acqua Tech (Research Unit 7), Department of Life Sciences and Biotechnology, University of Ferrara, P.le Luciano Chiappini 3, Malborghetto di Boara, 44123 Ferrara, Italy; (M.T.); (A.G.); (I.M.)
| | - Matteo Radice
- Department of Earth Science, Universidad Estatal Amazónica, Puyo 160106, Ecuador; (M.P.E.G.); (M.R.)
| | - Letizia Angiolella
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, P.le Aldo Moro 5, 00165 Rome, Italy;
| | - Alessandra Guerrini
- Pharmaceutical Biology Laboratory, Technopole Terra&Acqua Tech (Research Unit 7), Department of Life Sciences and Biotechnology, University of Ferrara, P.le Luciano Chiappini 3, Malborghetto di Boara, 44123 Ferrara, Italy; (M.T.); (A.G.); (I.M.)
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Natural Compounds for the Prevention and Treatment of Cardiovascular and Neurodegenerative Diseases. Foods 2020; 10:foods10010029. [PMID: 33374186 PMCID: PMC7824130 DOI: 10.3390/foods10010029] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/15/2020] [Accepted: 12/22/2020] [Indexed: 12/12/2022] Open
Abstract
Secondary metabolites from plants and fungi are stimulating growing interest in consumers and, consequently, in the food and supplement industries. The beneficial effects of these natural compounds are being thoroughly studied and there are frequent updates about the biological activities of old and new molecules isolated from plants and fungi. In this article, we present a review of the most recent literature regarding the recent discovery of secondary metabolites through isolation and structural elucidation, as well as the in vitro and/or in vivo evaluation of their biological effects. In particular, the possibility of using these bioactive molecules in the prevention and/or treatment of widely spread pathologies such as cardiovascular and neurodegenerative diseases is discussed.
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Giles-Rivas D, Estrada-Soto S, Aguilar-Guadarrama AB, Almanza-Pérez J, García-Jiménez S, Colín-Lozano B, Navarrete-Vázquez G, Villalobos-Molina R. Antidiabetic effect of Cordia morelosana, chemical and pharmacological studies. JOURNAL OF ETHNOPHARMACOLOGY 2020; 251:112543. [PMID: 31917279 DOI: 10.1016/j.jep.2020.112543] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/14/2019] [Accepted: 01/01/2020] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL IMPORTANCE CORDIA MORELOSANA: Standley (Boraginaceae) is commonly used in folk medicine for the treatment of diarrhoea, kidney inflammation, diabetes, lung pain, bronchitis, asthma, hoarseness, cough and fever. AIM Current work was conducted to develop a bio-guided isolation of antidiabetic compounds from ethanolic extract of Cordia morelosana (EECm). MATERIAL AND METHODS The phytochemical bio-guided study was conducted by successive chromatographic techniques, and isolated compounds were characterized by 1D and 2D-NMR experiments. The in vivo antihyperglycemic and antidiabetic activities of EECm (100 mg/kg), and methyl rosmarinate (MR, 50 mg/kg) were determined on normoglycemic and diabetic murine models. Additionally, the in vitro activity was conducted to determine α-glucosidase inhibitory effect, and PPARs, GLUT4 and FATP expression on 3T3-L1 cells by RT-PCR. Acute and sub-chronic toxicological studies for EECm were conducted on rats, following the OECD guidelines (No. 420 and 407). RESULTS EECm promotes significant α-glucosidase inhibition (55.6%) at 1 mg/kg respect to the control. Also, EECm (100 mg/kg) showed significant antihyperglycemic effect on oral glucose tolerance test (OGTT), and in non-insulin dependent type 2 diabetes (NIDD) model, had antidiabetic activity (p < 0.001) compared to controls. The bio-guided isolation allowed to obtain four known compounds described as rosmarinic acid (RA), methyl rosmarinate (MR), nicotiflorine and 1-O-methyl-scyllo-inositol. On the other hand, MR showed significant antidiabetic and anthiyperglycemic activities (p < 0.05), and overexpression of PPARγ, PPARα, GLUT-4 and FATP than control. Docking studies were conducted with PPARγ and PPARα, showing interesting binding mode profile on those targets. Finally, EECm displayed a LD50 > 2000 mg/kg and sub-chronic toxicological study reveals no toxic signs in animals tested compared to control. CONCLUSION EECm showed significant antihyperglycemic and antidiabetic actions being RA and MR the main antidiabetic metabolites.
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Affiliation(s)
- Diana Giles-Rivas
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, Mexico
| | - Samuel Estrada-Soto
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, Mexico.
| | | | - Julio Almanza-Pérez
- Laboratorio de Farmacología, Depto. Ciencias de la Salud, D.C.B.S, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de México, Mexico
| | - Sara García-Jiménez
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, Mexico
| | - Blanca Colín-Lozano
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, Mexico
| | | | - Rafael Villalobos-Molina
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Edo. de México, Mexico
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