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Mahmutović-Dizdarević I, Mesic A, Jerković-Mujkić A, Žujo B, Avdić M, Hukić M, Omeragić E, Osmanović A, Špirtović-Halilović S, Ahmetovski S, Mujkanović S, Pramenković E, Salihović M. Biological potential, chemical profiling, and molecular docking study of Morus alba L. extracts. Fitoterapia 2024; 177:106114. [PMID: 38971331 DOI: 10.1016/j.fitote.2024.106114] [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: 05/16/2024] [Revised: 07/03/2024] [Accepted: 07/03/2024] [Indexed: 07/08/2024]
Abstract
Morus alba L. is a plant with a long history of dietary and medicinal uses. We hypothesized that M. alba possesses a significant biological potential. In that sense, we aimed to generate the chemical, antimicrobial, toxicological, and molecular profile of M. alba leaf and fruit extracts. Our results showed that extracts were rich in vitamin C, phenols, and flavonoids, with quercetin and pterostilbene concentrated in the leaf, while fisetin, hesperidin, resveratrol, and luteolin were detected in fruit. Extracts exhibited antimicrobial activity against all tested bacteria, including multidrug-resistant strains. The widest inhibition zones were in Staphylococcus aureus ATCC 33591. The values of the minimum inhibitory concentration ranged from 15.62 μg/ml in Enterococcus faecalis to 500 μg/ml in several bacteria. Minimum bactericidal concentration ranged from 31.25 μg/ml to 1000 μg/ml. Extracts impacted the biofilm formation in a concentration-dependent and species-specific manner. A significant difference in the frequency of nucleoplasmic bridges between the methanolic extract of fruit (0.5 μg/ml, 1 μg/ml, 2 μg/ml), as well as for the frequency of micronuclei between ethanolic extract of leaf (2 μg/ml) and the control group was observed. Molecular docking suggested that hesperidin possesses the highest binding affinity for multidrug efflux transporter AcrB and acyl-PBP2a from MRSA, as well as for the SARS-CoV-2 Mpro. This study, by complementing previous research in this field, gives new insights that could be of great value in obtaining a more comprehensive picture of the Morus alba L. bioactive potential, chemical composition, antimicrobial and toxicological features, as well as molecular profile.
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Affiliation(s)
- Irma Mahmutović-Dizdarević
- University of Sarajevo-Faculty of Science, Department of Biology, Zmaja od Bosne 33-35, 71000 Sarajevo, Bosnia and Herzegovina.
| | - Aner Mesic
- University of Sarajevo-Faculty of Science, Department of Biology, Zmaja od Bosne 33-35, 71000 Sarajevo, Bosnia and Herzegovina
| | - Anesa Jerković-Mujkić
- University of Sarajevo-Faculty of Science, Department of Biology, Zmaja od Bosne 33-35, 71000 Sarajevo, Bosnia and Herzegovina
| | - Belma Žujo
- University of Sarajevo-Faculty of Science, Department of Biology, Zmaja od Bosne 33-35, 71000 Sarajevo, Bosnia and Herzegovina
| | - Monia Avdić
- International Burch University, Faculty of Engineering, Natural and Medical Sciences, Department of Genetics and Bioengineering, Francuske revolucije bb, 71210 Ilidža, Bosnia and Herzegovina; Academy of Sciences and Arts of Bosnia and Herzegovina, Center for Disease Control and Geohealth Studies, Bistrik 7, 71000 Sarajevo, Bosnia and Herzegovina
| | - Mirsada Hukić
- Academy of Sciences and Arts of Bosnia and Herzegovina, Center for Disease Control and Geohealth Studies, Bistrik 7, 71000 Sarajevo, Bosnia and Herzegovina; Institute for Biomedical Diagnostics and Research Nalaz, Čekaluša 69, 71000 Sarajevo, Bosnia and Herzegovina
| | - Elma Omeragić
- University of Sarajevo-Faculty of Pharmacy, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina
| | - Amar Osmanović
- University of Sarajevo-Faculty of Pharmacy, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina
| | - Selma Špirtović-Halilović
- University of Sarajevo-Faculty of Pharmacy, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina
| | - Sarah Ahmetovski
- University of Sarajevo-Faculty of Science, Department of Biology, Zmaja od Bosne 33-35, 71000 Sarajevo, Bosnia and Herzegovina
| | - Samra Mujkanović
- University of Sarajevo-Faculty of Science, Department of Biology, Zmaja od Bosne 33-35, 71000 Sarajevo, Bosnia and Herzegovina
| | - Emina Pramenković
- International Burch University, Faculty of Engineering, Natural and Medical Sciences, Department of Genetics and Bioengineering, Francuske revolucije bb, 71210 Ilidža, Bosnia and Herzegovina
| | - Mirsada Salihović
- University of Sarajevo-Faculty of Pharmacy, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina
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2
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Todorov SD, Alves VF, Popov I, Weeks R, Pinto UM, Petrov N, Ivanova IV, Chikindas ML. Antimicrobial Compounds in Wine. Probiotics Antimicrob Proteins 2024; 16:763-783. [PMID: 37855943 DOI: 10.1007/s12602-023-10177-0] [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] [Accepted: 10/10/2023] [Indexed: 10/20/2023]
Abstract
Ipsum vinum est potestas et possession (wine itself is power and possession). Wine is a complex system that triggers multisensory cognitive stimuli. Wine and its consumption are thoroughly intertwined with the development of human society. The beverage was appreciated in many ancient mythologies and plays an essential part in Christianity and rituals to this day. Wine has been said to enlighten and inspire artists and has even been prohibited by law and some religions, but has nevertheless played a role in human civilizations since the beginning. Winemaking is also a prospering and economically important industry and a longtime symbol of status and luxury. In winemaking, the formation of the final product is influenced by several factors that contribute to the chemical and sensory complexity often associated with quality vintages. Factors such as terroir, climatic conditions, variety of the grape, all aspects of the winemaking process to the smallest details, including metabolic processes carried out by yeast and malolactic bacteria, and the conditions for the maturation and storage of the final product, up to, and even beyond the point of deciding to open the bottle and enjoy the wine. In conjunction with the empiric and scientific process of winemaking, different molecules with antibacterial activity can be identified in wine during the production process, and several of them are clearly present in the final product. Some of these antibacterial components are phytochemicals, such as flavonoids and phenolic compounds, that may be delivered to the final product (wine) as a part of the grape, a variety of potential additive compounds, or from the oak barrels or clay amphoras used during the maturation process. Others are produced by yeasts and malolactic bacteria and play a role not only in the moderation of the fermentation process but contributing to the microbiological safety and beneficial properties spectra of the final product. Lactic acid bacteria, responsible for conducting malolactic fermentation, contribute to the final balance of the wine but are also directly involved in the production of different compounds exhibiting antibacterial activity. Some examples of these compounds include bacteriocins (antibacterial peptides), diacetyl, organic acids, reuterin, hydrogen peroxide, and carbon dioxide. Major aspects of these different beneficial metabolites are the subject of discussion in this review with the aim of highlighting their beneficial functions.
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Affiliation(s)
- Svetoslav Dimitrov Todorov
- ProBacLab, Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, 05508-000, São Paulo, SP, Brazil.
- Food Research Center (FoRC), Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, 05508-000, São Paulo, SP, Brazil.
- CISAS- Center for Research and Development in Agrifood Systems and Sustainability, Instituto Politécnico de Viana do Castelo, 4900-347, Viana do Castelo, Portugal.
| | - Virginia Farias Alves
- Faculdade de Farmácia, Universidade Federal de Goiás (UFG), 74605-170, Goiânia, GO, Brazil
| | - Igor Popov
- Center for Agrobiotechnology, Don State Technical University, 344000, Gagarina Sq., 1, Rostov-On-Don, Russia
- Division of Immunobiology and Biomedicine, Center of Genetics and Life Sciences, Sirius University of Science and Technology, Olimpijskij av., 1, 354340, Federal Territory Sirius, Russia
| | - Richard Weeks
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, 65 Dudley Road, 08901, New Brunswick, NJ, USA
| | - Uelinton Manoel Pinto
- Food Research Center (FoRC), Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, 05508-000, São Paulo, SP, Brazil
| | - Nikolay Petrov
- Laboratory of Virology, New Bulgarian University, Montevideo str. 21, 1618, Sofia, Bulgaria
| | - Iskra Vitanova Ivanova
- Department of General and Industrial Microbiology, Faculty of Biology, Sofia University St. Kliment Ohridski, 8, Bul. Dragan Tzankov, 1164, Sofia, Bulgaria
| | - Michael L Chikindas
- Center for Agrobiotechnology, Don State Technical University, 344000, Gagarina Sq., 1, Rostov-On-Don, Russia
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, 65 Dudley Road, 08901, New Brunswick, NJ, USA
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, 119991, Moscow, Russia
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3
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Fitriani R, Happyana N, Hakim EH. Morushalunin D, a tri- O-bridged Diels-Alder type adduct from Morus alba var. shalun root cultures and the related precursors. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024; 26:756-764. [PMID: 38379372 DOI: 10.1080/10286020.2024.2314193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 01/30/2024] [Indexed: 02/22/2024]
Abstract
Three Diels-Alder type adducts (1-3) along with their precursors, including one 2-arylbenzofuran (4) and one stilbene (5), were isolated from the MeOH extract of M. alba var. shalun root cultures. Among them, 1 is a new Diels-Alder type adduct named morushalunin D. The molecular structures of 1-5 were elucidated based on spectroscopic data and comparison with the literatures. Cytotoxic properties of compounds 1-5 were evaluated against murine leukemia P-388 cells. Morushalunin D (1), mulberrofuran T (2), sorocein A (3), moracin M (4), and oxyresveratrol (5) were active, significantly inhibiting the growth of P-388 cells with IC50 values of 0.5, 1.0, 0.6, 2.0, and 3.3 μg/ml, respectively.
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Affiliation(s)
- Rizki Fitriani
- Natural Product Research Group, Organic Chemistry Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung, Indonesia
| | - Nizar Happyana
- Natural Product Research Group, Organic Chemistry Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung, Indonesia
| | - Euis Holisotan Hakim
- Natural Product Research Group, Organic Chemistry Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung, Indonesia
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4
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Phan HVT, Nguyen DV, Le TKD, Nguyen TAM, Dong PSN, Tran TN, Dao NVT, Nguyen HC, Luu HT, Chavasiri W, Hoang LTTT, Nguyen VK. Morusacerane: A new gammacerane triterpenoid from the trunk of Morus Alba linn. with α-glucosidase inhibitory activity. Nat Prod Res 2024:1-10. [PMID: 38600840 DOI: 10.1080/14786419.2024.2340043] [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: 01/07/2024] [Accepted: 03/29/2024] [Indexed: 04/12/2024]
Abstract
This phytochemistry investigation on the trunk of Morus alba L. resulted in the isolation of three triterpenoids, including a new gammacerane triterpenoid - morusacerane (1); along with two known compounds of betulinic acid (2) and ursolic acid (3). The structure elucidation was thoroughly conducted based on 1D, 2D-NMR and HRESIMS spectra, followed by a comparison with existing literatures. The evaluation on α-glucosidase inhibitory exhibited the great potential of the application of these isolated compounds in diabetes treatments. The results show that morusacerane (1), betulinic acid (2), and ursolic acid (3) demonstrate the strong inhibitory with the IC50 values of 106.1, 11.12, and 7.20 μM, respectively. All of these compounds interacted well with the allosteric site enzyme α-glucosidase MAL32 through H-bonds and hydrophobic interaction.
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Affiliation(s)
- Hoang-Vinh-Truong Phan
- Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, Vietnam
- Faculty of Natural Sciences, Duy Tan University, Da Nang, Vietnam
| | - Duy Vu Nguyen
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, Thailand
| | - Thi-Kim-Dung Le
- Laboratory of Biophysics, Institute for Advanced Study in Technology, Ton Duc Thang University, Ho Chi Minh City, Vietnam
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Thi-Anh-Minh Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
- School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam
| | - Phan-Si-Nguyen Dong
- Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, Vietnam
- Faculty of Natural Sciences, Duy Tan University, Da Nang, Vietnam
| | - Thanh-Nha Tran
- Department of Environmental Engineering, Thu Dau Mot University, Binh Duong, Vietnam
| | - Ngoc-Van-Trang Dao
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
- School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam
| | - Hieu Cuong Nguyen
- Southern Institute of Ecology, Institute of Applied Materials Science and Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Hong Truong Luu
- Southern Institute of Ecology, Institute of Applied Materials Science and Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Warinthorn Chavasiri
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, Thailand
| | - Le-Thuy-Thuy-Trang Hoang
- Laboratory of Advanced Materials Chemistry, Institute for Advanced Study in Technology, Ton Duc Thang University, Ho Chi Minh City, Vietnam
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Van-Kieu Nguyen
- Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, Vietnam
- Faculty of Natural Sciences, Duy Tan University, Da Nang, Vietnam
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5
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Abou Baker DH, Hassan EM, El Gengaihi S. An overview on medicinal plants used for combating coronavirus: Current potentials and challenges. JOURNAL OF AGRICULTURE AND FOOD RESEARCH 2023; 13:100632. [PMID: 37251276 PMCID: PMC10198795 DOI: 10.1016/j.jafr.2023.100632] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 05/01/2023] [Accepted: 05/09/2023] [Indexed: 05/31/2023]
Abstract
Worldwide, Severe acute respiratory syndrome Coronavirus (SARS-CoV-2) pandemic crisis, causing many morbidities, mortality, and devastating impact on economies, so the current outbreak of the CoV-2 is a major concern for global health. The infection spread quickly and caused chaos in many countries around the world. The slow discovery of CoV-2 and the limited treatment options are among the main challenges. Therefore, the development of a drug that is safe and effective against CoV-2 is urgently needed. The present overview briefly summarizes CoV-2 drug targets ex: RNA-dependent RNA polymerase (RdRp), papain-like protease (PLpro), 3-chymotrypsin-like protease (3CLpro), transmembrane serine protease enzymes (TMPRSS2), angiotensin-converting enzyme 2 (ACE2), structural protein (N, S, E, and M), and virulence factors (NSP1, ORF7a, and NSP3c) for which drug design perspective can be considered. In addition, summarize all anti-COVID-19 medicinal plants and phytocompounds and their mechanisms of action to be used as a guide for further studies.
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Affiliation(s)
- Doha H Abou Baker
- Medicinal and Aromatic Plants Dept., Pharmaceutical and Drug Industries Institute, National Research Centre, Cairo, Egypt
| | - Emad M Hassan
- Medicinal and Aromatic Plants Dept., Pharmaceutical and Drug Industries Institute, National Research Centre, Cairo, Egypt
| | - Souad El Gengaihi
- Medicinal and Aromatic Plants Dept., Pharmaceutical and Drug Industries Institute, National Research Centre, Cairo, Egypt
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6
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Batiha GES, Al-Snafi AE, Thuwaini MM, Teibo JO, Shaheen HM, Akomolafe AP, Teibo TKA, Al-Kuraishy HM, Al-Garbeeb AI, Alexiou A, Papadakis M. Morus alba: a comprehensive phytochemical and pharmacological review. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023:10.1007/s00210-023-02434-4. [PMID: 36877269 DOI: 10.1007/s00210-023-02434-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 02/16/2023] [Indexed: 03/07/2023]
Abstract
Morus alba is a fast-growing shrub or medium-sized tree with a straight, cylindrical trunk. Medicinally, whole plants, leaves, fruits, branches, and roots have been employed. Google Scholar, PubMed, Scopus, and Web of Science were used to search for relevant material on the phytochemical components and pharmacologic and mechanism of action of the Morus alba. This was reviewed to assess important updates about Morus alba. The fruits of Morus alba have traditionally been used as an analgesic, anthelmintic, antibacterial, anti-rheumatic, diuretic, hypotensive, hypoglycemia, purgative, restorative, sedative tonic, and blood stimulant. Various plant parts were used as a cooling, sedating, diuretic, tonic, and astringent agent to treat nerve disorders. The plant contained tannins, steroids, phytosterols, sitosterol, glycosides, alkaloids, carbohydrates, proteins, and amino acids, as well as saponins, triterpenes, phenolics, flavonoids, benzofuran derivatives, anthocyanins, anthraquinones, glycosides, vitamins, and minerals. Previous pharmacological research identified antimicrobial, anti-inflammatory, immunological, analgesic, antipyretic, antioxidant, anti-cancer, antidiabetic, gastrointestinal, respiratory, cardiovascular, hypolipidemic, anti-obesity, dermatological, neurological, muscular, and protecting effects. This study looked at Morus alba's traditional uses, chemical components, and pharmacological effects.
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Affiliation(s)
- Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, El Beheira, Egypt.
| | - Ali Esmail Al-Snafi
- Department of Pharmacology, College of Medicine, University of Thi-Qar, Nasiriyah, Iraq
| | - Mahdi M Thuwaini
- College of Medical and Healthy Techniques, Southern Technique University, Basra, Iraq
| | - John Oluwafemi Teibo
- Department of Biochemistry and Immunology, Ribeirão, Preto Medical School , University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
| | - Hazem M Shaheen
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, El Beheira, Egypt
| | | | - Titilade Kehinde Ayandeyi Teibo
- Department of Maternal-Infant and Public Health Nursing, College of Nursing, University of São Paulo, Ribeirão PretoRibeirão Preto, São Paulo, Brazil
| | - Hayder M Al-Kuraishy
- Department of Clinical Pharmacologyand, Therapeutic Medicine, College of Medicine , Almustansiriyah University, Baghdad, Iraq
| | - Ali I Al-Garbeeb
- Department of Clinical Pharmacologyand, Therapeutic Medicine, College of Medicine , Almustansiriyah University, Baghdad, Iraq
| | - Athanasios Alexiou
- Department of Science and Engineering, Novel Global Community Educational Foundation, Hebersham, NSW, 2770, Australia.,AFNP Med, 1030, Vienna, Austria
| | - Marios Papadakis
- Department of Surgery II, University Hospital Witten-Herdecke, University of Witten-Herdecke, Heusnerstrasse 40, 42283, Wuppertal, Germany.
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7
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Fang L, Sharma AR, Aniemena C, Roedel K, Henry F, Moussou P, Samuga A, Medina-Bolivar F. Elicitation of Stilbenes and Benzofuran Derivatives in Hairy Root Cultures of White Mulberry ( Morus alba). PLANTS (BASEL, SWITZERLAND) 2022; 12:175. [PMID: 36616304 PMCID: PMC9823389 DOI: 10.3390/plants12010175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/18/2022] [Accepted: 12/28/2022] [Indexed: 06/17/2023]
Abstract
Stilbene and benzofuran derivatives isolated from the root of white mulberry (Morus alba) have shown various biological activities, including anti-inflammatory, antioxidant, and antimicrobial properties. The objectives of this study were to develop hairy root cultures and assess the effect of multiple elicitors combinations including (I) methyl-β-cyclodextrin (CD), MgCl2, methyl jasmonate (MeJA), and H2O2, (II) CD, MgCl2, and MeJA and (III) CD, MgCl2, and H2O2, on the production of these bioactive compounds. The highest yields of stilbenes and benzofurans were obtained upon co-treatment with 18 g/L CD, 3 mM H2O2 and 1 mM MgCl2. The stilbenes oxyresveratrol, resveratrol, and 3'-prenylresveratrol accumulated up to 6.27, 0.61, and 5.00 mg/g DW root, respectively. Meanwhile, the aryl benzofurans moracin M and moracin C accumulated up to 7.82 and 1.82 mg/g DW root, respectively. These stilbenes and benzofurans accumulated in the culture medium of the elicited hairy root cultures. They were not detected in the root tissue. However, the oxyresveratrol diglucoside mulberroside A was only detected in the root tissue with yields up to 10.01 mg/g DW. The results demonstrated that co-treatment of white mulberry hairy root cultures with multiple elicitors can significantly enhance production and secretion of stilbenes and benzofurans in this controlled and sustainable axenic culture system.
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Affiliation(s)
- Lingling Fang
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
| | - Amit Raj Sharma
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
| | - Chineche Aniemena
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
| | - Krystian Roedel
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
| | | | | | - Anita Samuga
- BASF Corporation, Research Triangle Park, Durham, NC 27709, USA
| | - Fabricio Medina-Bolivar
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
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8
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Sivaraman S, Aruljothi S, Vaithiyanathan V. Allylic arylative isomerisation of Morita-Baylis-Hillman adduct of isatin derivatives with arenes using FeCl3 and K-10 clay. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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9
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Kim YS, Kwon EB, Kim B, Chung HS, Choi G, Kim YH, Choi JG. Mulberry Component Kuwanon C Exerts Potent Therapeutic Efficacy In Vitro against COVID-19 by Blocking the SARS-CoV-2 Spike S1 RBD:ACE2 Receptor Interaction. Int J Mol Sci 2022; 23:12516. [PMID: 36293371 PMCID: PMC9604257 DOI: 10.3390/ijms232012516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 09/23/2022] [Accepted: 10/14/2022] [Indexed: 11/24/2022] Open
Abstract
There has been an immense effort by global pharmaceutical companies to develop anti-COVID-19 drugs, including small molecule-based RNA replication inhibitors via drug repositioning and antibody-based spike protein blockers related to cell entry by SARS-CoV-2. However, several limitations to their clinical use have emerged in addition to a lack of progress in the development of small molecule-based cell entry inhibitors from natural products. In this study, we tested the effectiveness of kuwanon C (KC), which has mainly been researched using in silico docking simulation and can serve as an effective building block for developing anti-COVID-19 drugs, in blocking the spike S1 RBD:ACE2 receptor interaction. KC is a natural product derived from Morus alba L., commonly known as mulberry, which has known antiviral efficacy. Molecular interaction studies using competitive ELISA and the BLItz system revealed that KC targets both the spike S1 RBD and the ACE2 receptor, successfully disrupting their interaction, as supported by the in silico docking simulation. Furthermore, we established a mechanism of action by observing how KC prevents the infection of SARS-CoV-2 spike pseudotyped virus in ACE2/TPRSS2-overexpressing HEK293T cells. Finally, we demonstrated that KC inhibits clinical isolates of SARS-CoV-2 in Vero cells. Future combinations of small molecule-based cell entry inhibitors, such as KC, with the currently prescribed RNA replication inhibitors are anticipated to significantly enhance the efficacy of COVID-19 therapies.
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Affiliation(s)
- Young Soo Kim
- Korea Institute of Oriental Medicine, Korean Medicine Application Center, 70 Cheomdan-ro, Dong-gu, Daegu 41062, Korea
| | - Eun-Bin Kwon
- Korea Institute of Oriental Medicine, Korean Medicine Application Center, 70 Cheomdan-ro, Dong-gu, Daegu 41062, Korea
| | - Buyun Kim
- Korea Institute of Oriental Medicine, Korean Medicine Application Center, 70 Cheomdan-ro, Dong-gu, Daegu 41062, Korea
| | - Hwan-Suck Chung
- Korea Institute of Oriental Medicine, Korean Medicine Application Center, 70 Cheomdan-ro, Dong-gu, Daegu 41062, Korea
| | - Garam Choi
- R&D Center, Etnova Therapeutics Corp., 198 Saneop-ro, Gwonseon-gu, Suwon 13207, Korea
| | - Yeoun-Hee Kim
- R&D Center, Etnova Therapeutics Corp., 198 Saneop-ro, Gwonseon-gu, Suwon 13207, Korea
| | - Jang-Gi Choi
- Korea Institute of Oriental Medicine, Korean Medicine Application Center, 70 Cheomdan-ro, Dong-gu, Daegu 41062, Korea
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10
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Kim YS, Kim B, Kwon EB, Chung HS, Choi JG. Mulberrofuran G, a Mulberry Component, Prevents SARS-CoV-2 Infection by Blocking the Interaction between SARS-CoV-2 Spike Protein S1 Receptor-Binding Domain and Human Angiotensin-Converting Enzyme 2 Receptor. Nutrients 2022; 14:nu14194170. [PMID: 36235822 PMCID: PMC9573737 DOI: 10.3390/nu14194170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/28/2022] [Accepted: 10/03/2022] [Indexed: 11/07/2022] Open
Abstract
Despite the recent development of RNA replication-targeted COVID-19 drugs by global pharmaceutical companies, their prescription in clinical practice is limited by certain factors, including drug interaction, reproductive toxicity, and drug resistance. COVID-19 drugs with multiple targets for the SARS-CoV-2 life cycle may lead to a successful reduction in drug resistance as well as enhanced therapeutic efficacy, and natural products are a potential source of molecules with therapeutic effects against COVID-19. In this study, we investigated the inhibitory efficacy of mulberrofuran G (MG), a component of Morus alba L., also known as mulberry, which has been used as food and traditional medicine, on the binding of the spike S1 receptor-binding domain (RBD) protein to the angiotensin-converting enzyme 2 (ACE2) receptor, which is the initial stage of the SARS-CoV-2 infection. In competitive enzyme-linked immunosorbent assays, MG effectively blocked the spike S1 RBD: ACE2 receptor molecular binding, and investigations using the BLItz system and in silico modeling revealed that MG has high affinity for both proteins. Finally, we confirmed that MG inhibits the entry of SARS-CoV-2 spike pseudotyped virus and a clinical isolate of SARS-CoV-2 into cells, suggesting that MG might be a promising therapeutic candidate for preventing SARS-CoV-2 binding to the cell surface during early infection.
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SH005S7 Overcomes Primary and Acquired Resistance of Non-Small Cell Lung Cancer by Combined MET/EGFR/HER3 Inhibition. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1840541. [PMID: 36158893 PMCID: PMC9499774 DOI: 10.1155/2022/1840541] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 07/20/2022] [Indexed: 11/29/2022]
Abstract
In this study, we have examined the anticancer effects of SH005S7 on MET-amplified and (HCC827GR) NSCLC cells and their primary HCC827 cells. In vitro, first of all, cell viability and colony formation assay confirmed the growth inhibitory effects of SH005S7 on both cells. Second, SH005S7 inactivated EGFR-related multiple cell signaling, which was associated with a marked decrease in the constitutive phosphorylation of EGFR, HER3, MET, AKT, and ERK. Third, SH005S7 attenuated the anchorage-independent cell growth. Fourth, SH005S7 blocked invasive and metastatic capability by downregulation of mesenchymal markers—vimentin, snail, and MMP-9. Fifth, BrdU assay confirmed the cell cycle arrest of SH005S7 on these cells. When administered orally to nude mice xenografically transplanted human NSCLC, SH005S7 inhibited the growth of tumor and did not cause hepatotoxicity and nephrotoxicity in animals. Immunohistochemical and Western blot analyses of tissue showed that the suppression of growth correlated with inhibition of proliferation (Ki-67, PCNA), invasiveness (vimentin, snail), and angiogenesis (CD31) marker and decrement in the constitutive and phosphorylation of EGFR, HER3, MET, AKT, and ERK. Additionally, SH005S7 had immune stimulatory effects by TNF-α cytokine release on macrophage, without cell cytotoxicity. Overall, our results suggest that SH005S7 can inhibit the growth of MET-amplified and gefitinib-resistant NSCLC cells through the suppression of EGFR-related multiple targets linked to overcome gefitinib resistance.
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Chauhan M, Bhardwaj VK, Kumar A, Kumar V, Kumar P, Enayathullah MG, Thomas J, George J, Kumar BK, Purohit R, Kumar A, Kumar S. Theaflavin 3-gallate inhibits the main protease (M pro) of SARS-CoV-2 and reduces its count in vitro. Sci Rep 2022; 12:13146. [PMID: 35908093 PMCID: PMC9338964 DOI: 10.1038/s41598-022-17558-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 07/27/2022] [Indexed: 12/26/2022] Open
Abstract
The main protease (Mpro) of SARS-CoV-2 has been recognized as an attractive drug target because of its central role in viral replication. Our previous preliminary molecular docking studies showed that theaflavin 3-gallate (a natural bioactive molecule derived from theaflavin and found in high abundance in black tea) exhibited better docking scores than repurposed drugs (Atazanavir, Darunavir, Lopinavir). In this study, conventional and steered MD-simulations analyses revealed stronger interactions of theaflavin 3-gallate with the active site residues of Mpro than theaflavin and a standard molecule GC373 (a known inhibitor of Mpro and novel broad-spectrum anti-viral agent). Theaflavin 3-gallate inhibited Mpro protein of SARS-CoV-2 with an IC50 value of 18.48 ± 1.29 μM. Treatment of SARS-CoV-2 (Indian/a3i clade/2020 isolate) with 200 μM of theaflavin 3-gallate in vitro using Vero cells and quantifying viral transcripts demonstrated reduction of viral count by 75% (viral particles reduced from Log106.7 to Log106.1). Overall, our findings suggest that theaflavin 3-gallate effectively targets the Mpro thus limiting the replication of the SARS-CoV-2 virus in vitro.
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Affiliation(s)
- Mahima Chauhan
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, 201002, India
| | - Vijay Kumar Bhardwaj
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, 201002, India.,Structural Bioinformatics Lab, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India
| | - Asheesh Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, 201002, India
| | - Vinod Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India
| | - Pawan Kumar
- Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, 201002, India.,Chemical Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India
| | - M Ghalib Enayathullah
- CSIR-Center for Cellular and Molecular Biology, Annexe-II, Medical Biotechnology Complex, Uppal Road, Hyderabad, Telangana, 500007, India
| | - Jessie Thomas
- CSIR-Center for Cellular and Molecular Biology, Annexe-II, Medical Biotechnology Complex, Uppal Road, Hyderabad, Telangana, 500007, India
| | - Joel George
- CSIR-Center for Cellular and Molecular Biology, Annexe-II, Medical Biotechnology Complex, Uppal Road, Hyderabad, Telangana, 500007, India
| | - Bokara Kiran Kumar
- CSIR-Center for Cellular and Molecular Biology, Annexe-II, Medical Biotechnology Complex, Uppal Road, Hyderabad, Telangana, 500007, India.
| | - Rituraj Purohit
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India. .,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, 201002, India. .,Structural Bioinformatics Lab, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India.
| | - Arun Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India. .,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, 201002, India.
| | - Sanjay Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India
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Chemical Characterization, α-Glucosidase, α-Amylase and Lipase Inhibitory Properties of the Australian Honey Bee Propolis. Foods 2022; 11:foods11131964. [PMID: 35804780 PMCID: PMC9266216 DOI: 10.3390/foods11131964] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 06/26/2022] [Accepted: 06/30/2022] [Indexed: 02/05/2023] Open
Abstract
The use of functional foods and nutraceuticals as a complementary therapy for the prevention and management of type 2 diabetes and obesity has steadily increased over the past few decades. With the aim of exploring the therapeutic potentials of Australian propolis, this study reports the chemical and biological investigation of a propolis sample collected in the Queensland state of Australia which exhibited a potent activity in an in vitro α-glucosidase inhibitory screening. The chemical investigation of the propolis resulted in the identification of six known prenylated flavonoids including propolins C, D, F, G, H, and solophenol D. These compounds potently inhibited the α-glucosidase and two other enzymes associated with diabetes and obesity, α-amylase, and lipase on in vitro and in silico assays. These findings suggest that this propolis is a potential source for the development of a functional food to prevent type 2 diabetes and obesity. The chemical analysis revealed that this propolis possessed a chemical fingerprint relatively similar to the Pacific propolis found in Okinawa (South of Japan), Taiwan, and the Solomon Islands. This is the first time the Pacific propolis has been identified in Australia.
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Constituents from ripe figs of Ficus vallis-choudae Delile (Moraceae) with antiplasmodial activity. Parasitol Res 2022; 121:2121-2127. [PMID: 35578036 PMCID: PMC9110216 DOI: 10.1007/s00436-022-07540-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/02/2022] [Indexed: 11/11/2022]
Abstract
Abstract Ripe figs, barks, and wood of Ficus vallis-choudae are used in traditional medicine against several conditions including nausea and malaria. However, its use is still to be scientifically documented and validated. Hence, the aim of the present work was to evaluate the antiplasmodial activity of the dichloromethane-methanol (DCM-MeOH (1:1)) crude extract, their hexane, dichloromethane, ethyl acetate, and methanoli fractions, as well as the isolated chemical constituents. The chemical study of the DCM-MeOH (1:1) crude extract of F. vallis-choudae figs led to the isolation of fifteen (15) known compounds identified based on their spectroscopic data [one-dimensional (1D) and two-dimensional (2D) nuclear magnetic resonance (NMR), mass spectrometry] and by comparison of these data with those reported in the literature. Some of the isolated compounds were assessed in vitro for their antiplasmodial activity against Plasmodium falciparum chloroquine-sensitive 3D7 (Pf3D7) and multidrug-resistant Dd2 strains. The dichloromethane fraction exhibited very good antiplasmodial activity against both strains with IC50 values of 13.86 μg/mL and 8.18 μg/mL, respectively. Among the tested compounds, wighteone (2) was the most active against P. falciparum 3D7 (IC50 = 24.6 ± 1.5 μM) and Dd2 (IC50 = 11.9 ± 2.4 μM) strains. The obtained results could justify the traditional uses of F. vallis-choudae against malaria. Wighteone appears to be the most active ingredient. However, further consideration of this compound as starting point for antimalarial drug discovery will depend upon its selectivity of action towards Plasmodium parasites. Highlights • 15 (fifteen) compounds were isolated from the dichloromethane-methanol extract of Ficus vallis-choudae. • Their structures were determined on the basis of their spectroscopic data. • The dichloromethane fraction showed promising activities on the Pf3D7 and PfDd2 strains with IC50 values of 13.86 and 8.18 µg/mL, respectively. • Wighteone was the most active compound against PfDd2 (IC50 = 11.9 ± 2.4 μM). Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s00436-022-07540-5.
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Abd El-Aziz NM, Khalifa I, Darwish AMG, Badr AN, Aljumayi H, Hafez ES, Shehata MG. Docking Analysis of Some Bioactive Compounds from Traditional Plants against SARS-CoV-2 Target Proteins. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092662. [PMID: 35566014 PMCID: PMC9100219 DOI: 10.3390/molecules27092662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/25/2022] [Accepted: 02/26/2022] [Indexed: 12/24/2022]
Abstract
COVID-19 is still a global pandemic that has not been stopped. Many traditional medicines have been demonstrated to be incredibly helpful for treating COVID-19 patients while fighting the disease worldwide. We introduced 10 bioactive compounds derived from traditional medicinal plants and assessed their potential for inhibiting viral spike protein (S-protein), Papain-like protease (PLpro), and RNA dependent RNA polymerase (RdRp) using molecular docking protocols where we simulate the inhibitors bound to target proteins in various poses and at different known binding sites using Autodock version 4.0 and Chimera 1.8.1 software. Results found that the chicoric acid, quinine, and withaferin A ligand strongly inhibited CoV-2 S -protein with a binding energy of -8.63, -7.85, and -7.85 kcal/mol, respectively. Our modeling work also suggested that curcumin, quinine, and demothoxycurcumin exhibited high binding affinity toward RdRp with a binding energy of -7.80, -7.80, and -7.64 kcal/mol, respectively. The other ligands, namely chicoric acid, demothoxycurcumin, and curcumin express high binding energy than the other tested ligands docked to PLpro with -7.62, -6.81, and -6.70 kcal/mol, respectively. Prediction of drug-likeness properties revealed that all tested ligands have no violations to Lipinski's Rule of Five except cepharanthine, chicoric acid, and theaflavin. Regarding the pharmacokinetic behavior, all ligand predicted to have high GI-absorption except chicoric acid and theaflavin. At the same way chicoric acid, withaferin A, and withanolide D predicted to be substrate for multidrug resistance protein (P-gp substrate). Caffeic acid, cepharanthine, chicoric acid, withaferin A, and withanolide D also have no inhibitory effect on any cytochrome P450 enzymes. Promisingly, chicoric acid, quinine, curcumin, and demothoxycurcumin exhibited high binding affinity on SARS-CoV-2 target proteins and expressed good drug-likeness and pharmacokinetic properties. Further research is required to investigate the potential uses of these compounds in the treatment of SARS-CoV-2.
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Affiliation(s)
- Nourhan M. Abd El-Aziz
- Department of Food Technology, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt; (A.M.G.D.); (M.G.S.)
- Correspondence:
| | - Ibrahim Khalifa
- Food Technology Department, Faculty of Agriculture, Benha University, Moshtohor, Benha 13736, Egypt;
| | - Amira M. G. Darwish
- Department of Food Technology, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt; (A.M.G.D.); (M.G.S.)
| | - Ahmed N. Badr
- Department of Food Toxicology and Contaminants, National Research Centre, Dokki, Cairo 12622, Egypt;
| | - Huda Aljumayi
- Department of Food Science and Nutrition, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - El-Sayed Hafez
- Department of Plant Protection and Biomolecular Diagnosis, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt;
| | - Mohamed G. Shehata
- Department of Food Technology, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt; (A.M.G.D.); (M.G.S.)
- Food Research Section, R&D Division, Abu Dhabi Agriculture and Food Safety Authority (ADAFSA), Abu Dhabi P.O. Box 52150, United Arab Emirates
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16
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Inanc ME, Gungor S, Yeni D, Avdatek F, İpek V, Türkmen R, Çorum O, Karaca H, Ata A. Protective role of the dried white mulberry extract on the reproductive damage and fertility in rats treated with carmustine. Food Chem Toxicol 2022; 163:112979. [PMID: 35398183 DOI: 10.1016/j.fct.2022.112979] [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: 12/25/2020] [Revised: 03/18/2022] [Accepted: 03/29/2022] [Indexed: 11/13/2022]
Abstract
The present study investigated the protective effect of dried white Mulberry extract (DWME) against carmustine (Crm) induced biochemical alterations and spermatological, histopathological, and fertility damage in Wistar albino rats. Male rats were divided into four groups (control, Crm, Crm + DWME, and DWME group). It was found that Crm decreased the motility. Crm decreased the concentration (not different from control group) compared to DWME groups. Total blood MDA levels were reduced during the recovery period. Also, the recovery period reduced the MDA levels in the Crm group/testicular tissue. The GSH levels in the Crm + DWME group were the highest among all groups in the testicular tissue/experiment period. In the immunohistochemical evaluation of the testicular tissue, a high level of caspase-3 was observed in the cells that underwent meiosis in the Crm group. The most pronounced DNA damage was also detected in the Crm group. The Crm + DWME group showed the highest number of offspring born during recovery period. In conclusion, dried white mulberry extract protects against the spermatological damages caused by carmustine. Moreover, recovery period played a positive effect on spermatological parameters and fertility.
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Affiliation(s)
- Muhammed Enes Inanc
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Department of Reproduction and Artificial Insemination, Burdur, Turkey.
| | - Sukru Gungor
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Department of Reproduction and Artificial Insemination, Burdur, Turkey
| | - Deniz Yeni
- Afyon Kocatepe University, Faculty of Veterinary Medicine, Department of Reproduction and Artificial Insemination, Afyonkarahisar, Turkey
| | - Fatih Avdatek
- Afyon Kocatepe University, Faculty of Veterinary Medicine, Department of Reproduction and Artificial Insemination, Afyonkarahisar, Turkey
| | - Volkan İpek
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Department of Pathology, Burdur, Turkey
| | - Ruhi Türkmen
- Afyon Kocatepe University, Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Afyonkarahisar, Turkey
| | - Orhan Çorum
- Hatay Mustafa Kemal University, Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Hatay, Turkey
| | - Harun Karaca
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Department of Histology and Embryology, Burdur, Turkey
| | - Ayhan Ata
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Department of Reproduction and Artificial Insemination, Burdur, Turkey
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Wu C, Wang H, Liu Z, Xu B, Li Z, Song P, Chao Z. Untargeted Metabolomics Coupled with Chemometrics for Leaves and Stem Barks of Dioecious Morus alba L. Metabolites 2022; 12:metabo12020106. [PMID: 35208181 PMCID: PMC8874686 DOI: 10.3390/metabo12020106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 02/06/2023] Open
Abstract
The differences in metabolites in male and female individuals of dioecious Morus alba L. (Moraceae) are usually ignored and lack study. In the present study, 58 leaves and 61 stem barks from male and female individuals were analyzed by untargeted metabolomics via headspace solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC-MS) coupled with chemometrics, including principal component analysis (PCA) and orthogonal partial least squares-discriminant analysis (OPLS-DA). A total of 66 and 44 metabolites were identified from leaves and stem barks, respectively. Four and eight differential metabolites among candidate metabolites in leaves and stem barks from male and female individuals were identified. Moreover, females possessed stronger antioxidant activity than males. This is the first report where untargeted metabolomics coupled with chemometrics was used to analyze the different metabolites and to discriminate the gender of leaves and stem barks of dioecious M. alba. It provided the basis for further study of M. alba and reference value for researching dioecious plants.
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18
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Zhu M, Wang ZJ, He YJ, Qin Y, Zhou Y, Qi ZH, Zhou ZS, Zhu YY, Jin DN, Chen SS, Luo XD. Bioguided isolation, identification and bioactivity evaluation of anti-MRSA constituents from Morus alba Linn. JOURNAL OF ETHNOPHARMACOLOGY 2021; 281:114542. [PMID: 34428525 DOI: 10.1016/j.jep.2021.114542] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGY RELEVANCE The root bark of Morus alba Linn. (M. alba), a traditional folk medicine, has been documented in the Chinese Pharmacopoeia, which has been widely used for asthma, fever, pneumonia, edema, vomit, colitis, bronchitis and keratitis diseases. Some of the diseases may be related to respiratory, digestive, urinary tract infections. Although Diels-Alder adducts (DAAs), flavonoids, 2-arylbenzofurans and stilbene compounds have been isolated from the root bark of M. alba, few compounds are reported for their antimicrobial efficacy in vivo and the mechanism. AIM OF THE STUDY The aim of the study was to isolate and identify compounds of the root bark of M. alba in view of their anti-MRSA bioactivity, evaluate the anti-MRSA bioactivity of compounds and 60% ethanol elution (MA-6) in vitro and in vivo, and explore preliminary antibacterial mechanism in order to provide natural resources against MRSA infection. MATERIALS AND METHODS Systematic phytochemical investigations were carried out according to the thin layer chromatography (TLC) of the active fraction MA-6 to find more anti-MRSA ingredients. The compounds of the root bark of M. alba were separated by column chromatography and identified by LC-MS/MS and NMR spectroscopy. The anti-MRSA efficacy of the active ingredients were evaluated by broth microdilution method and a murine infection model. The mode of action of compounds was explored by time-kill curve and post-contact effect. The preliminary mechanism of compounds against MRSA was explored by drug efflux pumps and bacterial biofilms. RESULTS Chemical isolation resulted in twenty-nine known compounds, most with one or more geranyl and prenyl units exhibited superior anti-MRSA bioactivity, with MIC values of 2-16 μg/mL. In addition, the mode of action indicated that compounds presented persistent antimicrobial effect, which also produced concentration-dependent and time-dependent killing activity or property. Preliminary mechanism showed that the compound kuwanon O (29) damaged the bacterial cell membranes, leading to the accumulation of antibiotics inside bacterial cells, moreover, MA-6 and kuwanon O (29) inhibited the efflux of drugs by combining with methicillin or ethidium bromide (EtBr), resulting in the MICs of EtBr and methicillin were obviously decreased three-fold. The anti-MRSA efficacy in vivo indicated that the active fraction MA-6 could reduce bacteria in spleen, liver, kidney and mortality of acutely infectious mice, which was better than the positive drug berberine chloride. CONCLUSION Experimental investigation showed that the MA-6 and compound 29 have promising bioactivity against MRSA in vitro and in vivo, which might be used as a potential source of new antibacterial medicine or a potential efflux pump inhibitor against MRSA infection.
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Affiliation(s)
- Meng Zhu
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Zhao-Jie Wang
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Ying-Jie He
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Yan Qin
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Ying Zhou
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Zi-Heng Qi
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Zhong-Shun Zhou
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Yan-Yan Zhu
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Dan-Ni Jin
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Shan-Shan Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Xiao-Dong Luo
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China.
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Li J, Dou L, Chen S, Zhou H, Mou F. Neochlorogenic acid: an anti-HIV active compound identified by screening of Cortex Mori [ Morus Alba L. (Moraceae)]. PHARMACEUTICAL BIOLOGY 2021; 59:1517-1527. [PMID: 34714196 PMCID: PMC8567877 DOI: 10.1080/13880209.2021.1995005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
CONTEXT Chinese herbs such as Cortex Mori [Morus alba L. (Moraceae)] may inhibit human immunodeficiency virus (HIV), but active compounds are unknown. OBJECTIVE Screening of Cortex Mori and other herbs for anti-HIV active compounds. MATERIALS AND METHODS HIV-1 virus (multiplicity of infection: 20), and herbs (dissolved in dimethyl sulfoxide, working concentrations: 10, 1, and 0.1 mg/mL) such as Cortex Mori, etc., were added to 786-O cells (105 cell/well). Zidovudine was used as a positive control. Cell survival and viral inhibition rates were measured. The herb that was the closest inactivity to zidovudine was screened. Mass spectrometry identified the active compounds in herbs (mobile phase: 0.05% formic acid aqueous solution and acetonitrile, gradient elution, detection wavelength: 210 nm). The effect of the compounds on reverse transcriptase (RT) products were evaluated by real-time PCR. Gene enrichment was used to analyse underlying mechanisms. RESULTS With a dose of 1 mg/mL of Cortex Mori, the cell survival rate (57.94%) and viral inhibition rate (74.95%) were closest to the effect of zidovudine (87.87%, 79.81%, respectively). Neochlorogenic acid, one of the active ingredients, was identified by mass spectrometry in Cortex Mori. PCR discovery total RT products of neochlorogenic acid group (mean relative gene expression: 6.01) significantly inhibited (control: 35.42, p < 0.0001). Enrichment analysis showed that neochlorogenic acid may act on haemopoietic cell kinase, epidermal growth factor receptor, sarcoma, etc., thus inhibiting HIV-1 infection. CONCLUSIONS For people of low socioeconomic status affected by HIV, Chinese medicine (such as Cortex Mori) has many advantages: it is inexpensive and does not easily produce resistance. Drugs based on active ingredients may be developed and could have important value.
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Affiliation(s)
- Jing Li
- Department of Central Laboratory, Chongqing University Three Gorges Hospital, Chongqing, China
- College of Life Sciences, Chongqing Medical University, Yuzhong, China
| | - Lu Dou
- Department of Central Laboratory, Chongqing University Three Gorges Hospital, Chongqing, China
- The Center of Clinical Research of Endocrinology and Metabolic diseases in Chongqing and Department of Endocrinology, Chongqing University Three Gorges Hospital, Chongqing, China
| | - Shuangfeng Chen
- Department of Central Laboratory, Chongqing University Three Gorges Hospital, Chongqing, China
| | - Honghao Zhou
- College of Life Sciences, Chongqing Medical University, Yuzhong, China
| | - Fangzheng Mou
- Internal Medicine of Traditional Chinese Medicine, Chongqing University Three Gorges Hospital, Wanzhou, China
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20
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Ebob OT, Babiaka SB, Ntie-Kang F. Natural Products as Potential Lead Compounds for Drug Discovery Against SARS-CoV-2. NATURAL PRODUCTS AND BIOPROSPECTING 2021; 11:611-628. [PMID: 34515981 PMCID: PMC8435765 DOI: 10.1007/s13659-021-00317-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/01/2021] [Indexed: 05/09/2023]
Abstract
For the past 2 years, the coronavirus responsible for the COVID-19 infection has become a world pandemic, ruining the lives and economies of several nations in the world. This has scaled up research on the virus and the resulting infection with the goal of developing new vaccines and therapies. Natural products are known to be a rich source of lead compounds for drug discovery, including against infectious diseases caused by microbes (viruses, bacteria and fungi). In this review article, we conducted a literature survey aimed at identifying natural products with inhibitory concentrations against the coronaviruses or their target proteins, which lie below 10 µM. This led to the identification of 42 compounds belonging to the alkaloid, flavonoid, terpenoid, phenolic, xanthone and saponin classes. The cut off concentration of 10 µM was to limit the study to the most potent chemical entities, which could be developed into therapies against the viral infection to make a contribution towards limiting the spread of the disease.
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Affiliation(s)
- Oyere Tanyi Ebob
- Department of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, Cameroon
| | - Smith B. Babiaka
- Department of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, Cameroon
| | - Fidele Ntie-Kang
- Department of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, Cameroon
- Institute for Pharmacy, Martin-Luther-Universität Halle-Wittenberg, Kurt-Mothes-Str. 3, 06120 Halle (Saale), Germany
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21
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Sinha S, Singh K, Ved A, Hasan SM, Mujeeb S. Therapeutic Journey and Recent Advances in the Synthesis of Coumarin Derivatives. Mini Rev Med Chem 2021; 22:1314-1330. [PMID: 34784861 DOI: 10.2174/1389557521666211116120823] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/27/2021] [Accepted: 09/03/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Coumarin is an oxygen-containing compound in medicinal chemistry. Coumarin plays an important role in both natural systems like plants and also in synthetic medicinal applications as drug molecules. Many structurally different coumarin compounds were found to show a big range of similarity with the vital molecular targets for their pharmacological action and small modifications in their structures resulted insignificant changes in their biological activities. OBJECTIVE This review gives detailed information about the studies of the recent advances in various pharmacological aspects of coumarins. METHOD Various oxygen-containing heterocyclic compounds represented remarkable biological significances. The fused aromatic oxygen-heterocyclic nucleus is able to change its electron density; thus changing the chemical, physical and biological properties respectively due to its multiple binding modes with the receptors, which play crucial role in pharmacological screening of drugs. A number of heterocyclic compounds have been synthesized which have their nucleus derived from various plants and animals. In coumarins, benzene ring is fused with pyrone nucleus which provides stability to the nucleus. Coumarins have shown a wide range of pharmacological activities such as anti-tumour, anti-coagulant, anti-inflammatory, anti-oxidant, antiviral, anti-malarial, anti-HIV and antimicrobial activity etc. Results: Reactive oxygen species like superoxide anion, hydroxyl radical and hydrogen peroxide are a type of unstable molecule that contains oxygen, which reacts with other molecules in the cell during the metabolism process but it may produce cytotoxicity when reactive oxygen species increase in number, by the damage of biological macromolecules. Hydroxyl radical (˙OH), is a strong oxidizing agent and it is responsible for the cytotoxicity by oxygen in different plants, animals and other microbes. coumarin is the oldest and effective compound having antimicrobial activity, anti-inflammatory, antioxidant, antidepressant activity, analgesic, anticonvulsant activity, etc. Naturally existing coumarin compounds act against SARS-CoV-2 by preventing viral replication through the targeting on active site against the Mpro target protein. CONCLUSION This review highlights the different biological activities of coumarin derivatives. In this review we provide an updated summary of the researches which are related to recent advances in biological activities of coumarins analogue and their most recent activities against COVID -19. Natural compounds act as a rich resource for novel drug development against various SARS-CoV-2 viral strains including viruses like herpes simplex virus, influenza virus, human immunodeficiency virus, hepatitis B and C viruses, middle east respiratory syndrome and severe acute respiratory syndrome.
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Affiliation(s)
- Shweta Sinha
- Faculty of Pharmacy, Integral University, Kursi road, Lucknow-226026 (U.P.). India
| | - Kuldeep Singh
- Faculty of Pharmacy, Integral University, Kursi road, Lucknow-226026 (U.P.). India
| | - Akash Ved
- Goel Institute of Pharmaceutical Sciences, Lucknow -226028 (U.P.). India
| | - Syed Misbahul Hasan
- Faculty of Pharmacy, Integral University, Kursi road, Lucknow-226026 (U.P.). India
| | - Samar Mujeeb
- Hygia Institute of Pharmaceutical Education and Research, Lucknow. India
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22
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Ramachandran K, Anbarasan P. Cobalt-catalyzed multisubstituted allylation of the chelation-assisted C-H bond of (hetero)arenes with cyclopropenes. Chem Sci 2021; 12:13442-13449. [PMID: 34777763 PMCID: PMC8528013 DOI: 10.1039/d1sc03476f] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/14/2021] [Indexed: 12/04/2022] Open
Abstract
Cyclopropenes are highly strained three-membered carbocycles, which offer unique reactivity in organic synthesis. Herein, Cp*CoIII-catalyzed ring-opening isomerization of cyclopropenes to cobalt vinylcarbene has been utilized for the synthesis of multisubstituted allylarenes via directing group-assisted functionalization of C-H bonds of arenes and heteroarenes. Employing this methodology, various substituents can be introduced at all three carbons of the allyl moiety with high selectivity. The important highlights are excellent functional group tolerance, multisubstituted allylation, high selectivity, gram scale synthesis, removable directing group, and synthesis of cyclopenta[b]indoles. In addition, a potential cobaltocycle intermediate was identified and a plausible mechanism is also proposed.
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Affiliation(s)
- Kuppan Ramachandran
- Department of Chemistry, Indian Institute of Technology Madras Chennai 600036 India https://home.iitm.ac.in/anbarasansp/
| | - Pazhamalai Anbarasan
- Department of Chemistry, Indian Institute of Technology Madras Chennai 600036 India https://home.iitm.ac.in/anbarasansp/
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23
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Park HJ, Park SH. Root Bark of Morus Alba L. Induced p53-Independent Apoptosis in Human Colorectal Cancer Cells by Suppression of STAT3 Activity. Nutr Cancer 2021; 74:1837-1848. [PMID: 34533079 DOI: 10.1080/01635581.2021.1968444] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The root bark of Morus alba L. (MA) used in traditional oriental medicine exerts various bioactivities including anticancer effects. In this study, we investigated the molecular mechanism underlying the methylene chloride extract of MA (MEMA)-induced apoptosis in colorectal cancer (CRC) cells. We observed that MEMA decreased cell viability and colony formation in both HCT116 p53+/+ cells and HCT116 p53-/- cells. In addition, MEMA increased the sub-G1 phase DNA content, the annexin V-positive cell population, and the expression of apoptosis marker proteins in both cell lines, indicating that MEMA induced apoptosis regardless of the p53 status. Interestingly, the phosphorylation level, transcriptional activity, and target genes expression of signal transducer and activator of transcription 3 (STAT3) were commonly decreased by MEMA. The overexpression of constitutively active STAT3 in HCT116 cells reversed MEMA-induced apoptosis, demonstrating that MEMA-triggered apoptosis was mediated by the inactivation of STAT3. Taken together, we suggest that MEMA can be applied not only to p53 wild-type CRC in the early stages but also to p53-mutant advanced CRC with hyperactivated STAT3. Even though a wide range of studies are required to validate the anticancer effects of MEMA, we propose MEMA as a novel material for the treatment of CRC.
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Affiliation(s)
- Hyun-Ji Park
- Department of Pathology, College of Korean Medicine, Dong-eui University, Busan, Republic of Korea
| | - Shin-Hyung Park
- Department of Pathology, College of Korean Medicine, Dong-eui University, Busan, Republic of Korea
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24
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Could Probiotics and Postbiotics Function as "Silver Bullet" in the Post-COVID-19 Era? Probiotics Antimicrob Proteins 2021; 13:1499-1507. [PMID: 34386940 PMCID: PMC8360758 DOI: 10.1007/s12602-021-09833-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/04/2021] [Indexed: 12/14/2022]
Abstract
We are currently experiencing the realities of the most severe pandemic within living memory, with major impacts on the health and economic well-being of our planet. The scientific community has demonstrated an unprecedented mobilization capability, with the rapid development of vaccines and drugs targeting the protection of human life and palliative measures for infected individuals. However, are we adequately prepared for ongoing defense against COVID-19 and its variants in the post-pandemic world? Moreover, are we equipped to provide a satisfactory quality of life for individuals who are recovering from COVID-19 disease? What are the possibilities for the acceleration of the recovery process? Here, we give special consideration to the potential and already-demonstrated role of probiotics and traditional medical approaches to the management of current and potential future encounters with our major virus adversaries.
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25
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Badshah SL, Faisal S, Muhammad A, Poulson BG, Emwas AH, Jaremko M. Antiviral activities of flavonoids. Biomed Pharmacother 2021; 140:111596. [PMID: 34126315 PMCID: PMC8192980 DOI: 10.1016/j.biopha.2021.111596] [Citation(s) in RCA: 129] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/02/2021] [Accepted: 04/05/2021] [Indexed: 12/16/2022] Open
Abstract
Flavonoids are natural phytochemicals known for their antiviral activity. The flavonoids acts at different stages of viral infection, such as viral entrance, replication and translation of proteins. Viruses cause various diseases such as SARS, Hepatitis, AIDS, Flu, Herpes, etc. These, and many more viral diseases, are prevalent in the world, and some (i.e. SARS-CoV-2) are causing global chaos. Despite much struggle, effective treatments for these viral diseases are not available. The flavonoid class of phytochemicals has a vast number of medicinally active compounds, many of which are studied for their potential antiviral activity against different DNA and RNA viruses. Here, we reviewed many flavonoids that showed antiviral activities in different testing environments such as in vitro, in vivo (mice model) and in silico. Some flavonoids had stronger inhibitory activities, showed no toxicity & the cell proliferation at the tested doses are not affected. Some of the flavonoids used in the in vivo studies also protected the tested mice prophylactically from lethal doses of virus, and effectively prevented viral infection. The glycosides of some of the flavonoids increased the solubility of some flavonoids, and therefore showed increased antiviral activity as compared to the non-glycoside form of that flavonoid. These phytochemicals are active against different disease-causing viruses, and inhibited the viruses by targeting the viral infections at multiple stages. Some of the flavonoids showed more potent antiviral activity than the market available drugs used to treat viral infections.
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Affiliation(s)
- Syed Lal Badshah
- Department of Chemistry, Islamia College University Peshawar, Peshawar 25120, Khyber Pakhtunkhwa, Pakistan.
| | - Shah Faisal
- Department of Chemistry, Islamia College University Peshawar, Peshawar 25120, Khyber Pakhtunkhwa, Pakistan
| | - Akhtar Muhammad
- Department of Chemistry, Islamia College University Peshawar, Peshawar 25120, Khyber Pakhtunkhwa, Pakistan
| | - Benjamin Gabriel Poulson
- Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Abdul Hamid Emwas
- Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Mariusz Jaremko
- Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
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26
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Al-Sanea MM, Abelyan N, Abdelgawad MA, Musa A, Ghoneim MM, Al-Warhi T, Aljaeed N, Alotaibi OJ, Alnusaire TS, Abdelwahab SF, Helmy A, Abdelmohsen UR, Youssif KA. Strawberry and Ginger Silver Nanoparticles as Potential Inhibitors for SARS-CoV-2 Assisted by In Silico Modeling and Metabolic Profiling. Antibiotics (Basel) 2021; 10:824. [PMID: 34356745 PMCID: PMC8300822 DOI: 10.3390/antibiotics10070824] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 06/27/2021] [Accepted: 06/29/2021] [Indexed: 02/05/2023] Open
Abstract
SARS-CoV-2 (COVID-19), a novel coronavirus causing life-threatening pneumonia, caused a pandemic starting in 2019 and caused unprecedented economic and health crises all over the globe. This requires the rapid discovery of anti-SARS-CoV-2 drug candidates to overcome this life-threatening pandemic. Strawberry (Fragaria ananassa Duch.) and ginger (Zingiber officinale) methanolic extracts were used for silver nanoparticle (AgNPs) synthesis to explore their SARS-CoV-2 inhibitory potential. Moreover, an in silico study was performed to explore the possible chemical compounds that might be responsible for the anti-SARS-CoV-2 potential. The characterization of the green synthesized AgNPs was carried out with transmission electron microscope (TEM), Fourier-transform infrared, spectroscopy ultraviolet-visible spectroscopy, zeta potential, and a dynamic light-scattering technique. The metabolic profiling of strawberry and ginger methanolic extract was assessed using liquid chromatography coupled with high-resolution mass spectrometry. The antiviral potential against SARS-CoV-2 was evaluated using an MTT assay. Moreover, in silico modeling and the molecular dynamic study were conducted via AutoDock Vina to demonstrate the potential of the dereplicated compounds to bind to some of the SARS-CoV-2 proteins. The TEM analysis of strawberry and ginger AgNPs showed spherical nanoparticles with mean sizes of 5.89 nm and 5.77 nm for strawberry and ginger, respectively. The UV-Visible spectrophotometric analysis showed an absorption peak at λmax of 400 nm for strawberry AgNPs and 405 nm for ginger AgNPs. The Zeta potential values of the AgNPs of the methanolic extract of strawberry was -39.4 mV, while for AgNPs of ginger methanolic extract it was -42.6 mV, which indicates a high stability of the biosynthesized nanoparticles. The strawberry methanolic extract and the green synthesized AgNPs of ginger showed the highest antiviral activity against SARS-CoV-2. Dereplication of the secondary metabolites from the crude methanolic extracts of strawberry and ginger resulted in the annotation of different classes of compounds including phenolic, flavonoids, fatty acids, sesquiterpenes, triterpenes, sterols, and others. The docking study was able to predict the different patterns of interaction between the different compounds of strawberry and ginger with seven SARS-CoV-2 protein targets including five viral proteins (Mpro, ADP ribose phosphatase, NSP14, NSP16, PLpro) and two humans (AAK1, Cathepsin L). The molecular docking and dynamics simulation study showed that neohesperidin demonstrated the potential to bind to both human AAK1 protein and SARS-CoV-2 NSP16 protein, which makes this compound of special interest as a potential dual inhibitor. Overall, the present study provides promise for Anti-SARS-CoV-2 green synthesized AgNPs, which could be developed in the future into a new anti-SARS-CoV-2 drug.
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Affiliation(s)
- Mohammad M. Al-Sanea
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia;
| | - Narek Abelyan
- Institute of Biomedicine and Pharmacy, Russian-Armenian University, Yerevan 0051, Armenia;
- Foundation for Armenian Science and Technology, Yerevan 0033, Armenia
| | - Mohamed A. Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia;
| | - Arafa Musa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia;
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Cairo 11371, Egypt
| | - Mohammed M. Ghoneim
- Department of Pharmacy, College of Pharmacy, Al Maarefa University, Ad Diriyah 13713, Saudi Arabia;
| | - Tarfah Al-Warhi
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh 11564, Saudi Arabia; (T.A.-W.); (N.A.); (O.J.A.)
| | - Nada Aljaeed
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh 11564, Saudi Arabia; (T.A.-W.); (N.A.); (O.J.A.)
| | - Ohoud J. Alotaibi
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh 11564, Saudi Arabia; (T.A.-W.); (N.A.); (O.J.A.)
| | - Taghreed S. Alnusaire
- Biology Department, College of Science, Jouf University, Sakaka 72388, Saudi Arabia;
- Olive Research Center, Jouf University, Sakaka 72341, Saudi Arabia
| | - Sayed F. Abdelwahab
- Department of Pharmaceutics and Industrial Pharmacy, Taif College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Aya Helmy
- Department of Pharmacognosy, Faculty of Pharmacy, Modern University for Technology and Information, Cairo 11865, Egypt; (A.H.); (K.A.Y.)
| | - Usama Ramadan Abdelmohsen
- Department of Pharmacognosy, Faculty of Pharmacy, Deraya University, Minia 61111, Egypt
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
| | - Khayrya A. Youssif
- Department of Pharmacognosy, Faculty of Pharmacy, Modern University for Technology and Information, Cairo 11865, Egypt; (A.H.); (K.A.Y.)
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27
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In Vitro Antiplatelet Activity of Mulberroside C through the Up-Regulation of Cyclic Nucleotide Signaling Pathways and Down-Regulation of Phosphoproteins. Genes (Basel) 2021; 12:genes12071024. [PMID: 34209363 PMCID: PMC8305937 DOI: 10.3390/genes12071024] [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: 04/26/2021] [Revised: 06/21/2021] [Accepted: 06/29/2021] [Indexed: 11/16/2022] Open
Abstract
Physiological agonists trigger signaling cascades, called "inside-out signaling", and activated platelets facilitate adhesion, shape change, granule release, and structural change of glycoprotein IIb/IIIa (αIIb/β3). Activated αIIb/β3 interacts with fibrinogen and begins second signaling cascades called "outside-in signaling". These two signaling pathways can lead to hemostasis or thrombosis. Thrombosis can occur in arterial and venous blood vessels and is a major medical problem. Platelet-mediated thrombosis is a major cause of cardiovascular disease (CVD). Therefore, controlling platelet activity is important for platelet-mediated thrombosis and cardiovascular diseases. In this study, focus on Morus Alba Linn, a popular medicinal plant, to inhibit the function of platelets and found the containing component mulberroside C. We examine the effect of mulberroside C on the regulation of phosphoproteins, platelet-activating factors, and binding molecules. Agonist-induced human platelet aggregation is dose-dependently inhibited by mulberroside C without cytotoxicity, and it decreased Ca2+ mobilization and p-selectin expression through the upregulation of inositol 1, 4, 5-triphosphate receptor I (Ser1756), and downregulation of extracellular signal-regulated kinase (ERK). In addition, mulberroside C inhibited thromboxane A2 production, fibrinogen binding, and clot retraction. Our results show antiplatelet effects and antithrombus formation of mulberroside C in human platelets. Thus, we confirm that mulberroside C could be a potential phytochemical for the prevention of thrombosis-mediated CVDs.
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28
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Cao Y, Lei E, Li L, Ren J, He X, Yang J, Wang S. Antiviral activity of Mulberroside C against enterovirus A71 in vitro and in vivo. Eur J Pharmacol 2021; 906:174204. [PMID: 34051220 DOI: 10.1016/j.ejphar.2021.174204] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 11/28/2022]
Abstract
Enterovirus A71 (EV-A71) is one of the main causative agents of hand, foot and mouth disease which seriously threatens young children's health and lives. However, there is no effective therapy currently available for treating these infections. Therefore, effective drugs to prevent and treat EV-A71 infections are urgently needed. Here, we identified Mulberroside C potently against the proliferation of EV-A71. The in-vitro anti-EV-A71 activity of Mulberroside C was assessed by cytopathic effect inhibition and viral plaque reduction assays, and the results showed that Mulberroside C significantly inhibited EV-A71 infection. The downstream assays affirmed that Mulberroside C inhibited viral protein and RNA synthesis. Furthermore, Mulberroside C effectively reduced clinical symptoms in EV-A71 infected mice and reduced mortality at higher concentrations. The mechanism study indicated that Mulberroside C bound to the hydrophobic pocket of viral capsid protein VP1, thereby preventing viral uncoating and genome release. Taken together, our study indicated that Mulberroside C could be a promising EV-A71 inhibitor and worth extensive preclinical investigation as a lead compound.
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Affiliation(s)
- Yiming Cao
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China; Beijing Institute of Radiation Medicine, Beijing 100850, PR China
| | - En Lei
- Beijing Institute of Radiation Medicine, Beijing 100850, PR China; School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou 450000, PR China
| | - Lei Li
- Beijing Institute of Radiation Medicine, Beijing 100850, PR China
| | - Jin Ren
- Beijing Institute of Radiation Medicine, Beijing 100850, PR China
| | - Xiaoyang He
- Beijing Institute of Radiation Medicine, Beijing 100850, PR China
| | - Jing Yang
- Beijing Institute of Radiation Medicine, Beijing 100850, PR China; School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou 450000, PR China.
| | - Shengqi Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China; Beijing Institute of Radiation Medicine, Beijing 100850, PR China.
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29
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Osorio M, Carvajal M, Vergara A, Butassi E, Zacchino S, Mascayano C, Montoya M, Mejías S, Martín MCS, Vásquez-Martínez Y. Prenylated Flavonoids with Potential Antimicrobial Activity: Synthesis, Biological Activity, and In Silico Study. Int J Mol Sci 2021; 22:ijms22115472. [PMID: 34067346 PMCID: PMC8196815 DOI: 10.3390/ijms22115472] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 12/11/2022] Open
Abstract
Prenylated flavonoids are an important class of naturally occurring flavonoids with important biological activity, but their low abundance in nature limits their application in medicines. Here, we showed the hemisynthesis and the determination of various biological activities of seven prenylated flavonoids, named 7–13, with an emphasis on antimicrobial ones. Compounds 9, 11, and 12 showed inhibitory activity against human pathogenic fungi. Compounds 11, 12 (flavanones) and 13 (isoflavone) were the most active against clinical isolated Staphylococcus aureus MRSA, showing that structural requirements as prenylation at position C-6 or C-8 and OH at positions C-5, 7, and 4′ are key to the antibacterial activity. The combination of 11 or 12 with commercial antibiotics synergistically enhanced the antibacterial activity of vancomycin, ciprofloxacin, and methicillin in a factor of 10 to 100 times against drug-resistant bacteria. Compound 11 combined with ciprofloxacin was able to decrease the levels of ROS generated by ciprofloxacin. According to docking results of S enantiomer of 11 with ATP-binding cassette transporter showed the most favorable binding energy; however, more studies are needed to support this result.
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Affiliation(s)
- Mauricio Osorio
- Laboratorio de Productos Naturales, Departamento de Química, Universidad Técnica Federico Santa María, Valparaíso 2390123, Chile
- Correspondence: (M.O.); (Y.V.-M.)
| | - Marcela Carvajal
- Centro de Biotecnología CB-DAL, Universidad Técnica Federico Santa María, Valparaíso 2390136, Chile; (M.C.); (A.V.)
| | - Alejandra Vergara
- Centro de Biotecnología CB-DAL, Universidad Técnica Federico Santa María, Valparaíso 2390136, Chile; (M.C.); (A.V.)
| | - Estefania Butassi
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario 2000, Argentina; (E.B.); (S.Z.)
| | - Susana Zacchino
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario 2000, Argentina; (E.B.); (S.Z.)
| | - Carolina Mascayano
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile;
| | - Margarita Montoya
- Laboratorio Bioquímica Celular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile; (M.M.); (S.M.)
| | - Sophia Mejías
- Laboratorio Bioquímica Celular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile; (M.M.); (S.M.)
| | - Marcelo Cortez-San Martín
- Laboratorio de Virología Molecular y Control de Patógenos, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago 9170022, Chile;
| | - Yesseny Vásquez-Martínez
- Programa Centro de Investigaciones Biomédicas Aplicadas, Escuela de Medicina, Facultad de Ciencias Médicas, Universidad de Santiago de Chile, Santiago 9170022, Chile
- Correspondence: (M.O.); (Y.V.-M.)
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30
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Vora J, Velhal S, Sinha S, Patel V, Shrivastava N. Bioactive phytocompound mulberroside C and endophytes of Morus alba as potential inhibitors of HIV-1 replication: a mechanistic evaluation. HIV Med 2021; 22:690-704. [PMID: 33987901 DOI: 10.1111/hiv.13116] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/05/2021] [Accepted: 03/29/2021] [Indexed: 01/21/2023]
Abstract
OBJECTIVES Despite considerable advancement in antiretroviral therapy, development of safe, effective, and multi-targeted drugs for HIV still remains a big challenge. Endophytes are untouched and, hence, an important and novel sources in drug discovery endeavours. The present study was conducted to identify the anti-HIV compounds from Morus alba and endophytes isolated from it. METHODS The extracts of isolated endophytes were screened using high-performance liquid chromatography (HPLC). Further, all samples were analysed for their cytotoxicity using a thiazolyl blue tetrazolium bromide assay. Subsequently, anti-HIV activity was performed using cell-based and cell-free assay. At the end, potential endophytes were identified using gene sequencing. RESULTS A total of 27 endophytes were isolated from the eight stem bark samples of M. alba. Of the 27 endophytes, extracts of total of four endophytes showed a profile similar to the M. alba plant when analysed by HPLC. Further experimentation with extracts of these four endophytes, along with an extract of M. alba stem bark and its bioactive molecule, mulberroside C, revealed that all these six samples have good inhibitory potential for HIV. Among them, mulberroside C and two endophytic fungal extracts showed very potent anti-HIV activity. Subsequently, mechanistic studies at the molecular level showed that out of six test samples, three acted as protease inhibitors. Further, all four potential endophytes were identified using gene sequencing. CONCLUSIONS The overall findings of these studies can help in the development of a novel anti-HIV candidate from mulberroside C, an extract of stem bark of M. alba and extracts of these endophytes. However, further validation and clinical studies are required to develop an anti-HIV drug.
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Affiliation(s)
- J Vora
- B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre, Ahmedabad, India.,Department of Life Science, Gujarat University, Ahmedabad, India
| | - S Velhal
- Department of Biochemistry & Virology, National Institute for Research in Reproductive Health (ICMR), Mumbai, India
| | - S Sinha
- B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre, Ahmedabad, India.,Department of Life Science, Gujarat University, Ahmedabad, India
| | - V Patel
- Department of Biochemistry & Virology, National Institute for Research in Reproductive Health (ICMR), Mumbai, India
| | - N Shrivastava
- B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre, Ahmedabad, India
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Gani MA, Nurhan AD, Maulana S, Siswodihardjo S, Shinta DW, Khotib J. Structure-based virtual screening of bioactive compounds from Indonesian medical plants against severe acute respiratory syndrome coronavirus-2. J Adv Pharm Technol Res 2021; 12:120-126. [PMID: 34159141 PMCID: PMC8177144 DOI: 10.4103/japtr.japtr_88_21] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/03/2021] [Accepted: 02/24/2021] [Indexed: 02/01/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is a virus that causes the infectious disease coronavirus disease-2019. Currently, there is no effective drug for the prevention and treatment of this virus. This study aimed to identify secondary metabolites that potentially inhibit the key proteins of SARS-CoV-2. This was an in silico molecular docking study of several secondary metabolites of Indonesian herbal plant compounds and other metabolites with antiviral testing history. Virtual screening using AutoDock Vina of 216 Lipinski rule-compliant plant metabolites was performed on 3C-like protease (3CLpro), RNA-dependent RNA polymerase (RdRp), and spike glycoprotein. Ligand preparation was performed using JChem and Schrödinger's software, and virtual protein elucidation was performed using AutoDockTools version 1.5.6. Virtual screening identified several RdRp, spike, and 3CLpro inhibitors. Justicidin D had binding affinities of −8.7, −8.1, and −7.6 kcal mol−1 on RdRp, 3CLpro, and spike, respectively. 10-methoxycamptothecin had binding affinities of −8.5 and −8.2 kcal mol−1 on RdRp and spike, respectively. Inoxanthone had binding affinities of −8.3 and −8.1 kcal mol−1 on RdRp and spike, respectively, while binding affinities of caribine were −9.0 and −7.5 mol−1 on 3CLpro and spike, respectively. Secondary metabolites of compounds from several plants were identified as potential agents for SARS-CoV-2 therapy.
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Affiliation(s)
- Maria Apriliani Gani
- Department of Clinical Pharmacy, Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
| | - Ahmad Dzulfikri Nurhan
- Department of Clinical Pharmacy, Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
| | - Saipul Maulana
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
| | - Siswandono Siswodihardjo
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
| | - Dewi Wara Shinta
- Department of Clinical Pharmacy, Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
| | - Junaidi Khotib
- Department of Clinical Pharmacy, Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
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Shakya A, Chikhale RV, Bhat HR, Alasmary FA, Almutairi TM, Ghosh SK, Alhajri HM, Alissa SA, Nagar S, Islam MA. Pharmacoinformatics-based identification of transmembrane protease serine-2 inhibitors from Morus Alba as SARS-CoV-2 cell entry inhibitors. Mol Divers 2021; 26:265-278. [PMID: 33786727 PMCID: PMC8009078 DOI: 10.1007/s11030-021-10209-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 03/10/2021] [Indexed: 12/23/2022]
Abstract
Transmembrane protease serine-2 (TMPRSS2) is a cell-surface protein expressed by epithelial cells of specific tissues including those in the aerodigestive tract. It helps the entry of novel coronavirus (n-CoV) or Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in the host cell. Successful inhibition of the TMPRSS2 can be one of the crucial strategies to stop the SARS-CoV-2 infection. In the present study, a set of bioactive molecules from Morus alba Linn. were screened against the TMPRSS2 through two widely used molecular docking engines such as Autodock vina and Glide. Molecules having a higher binding affinity toward the TMPRSS2 compared to Camostat and Ambroxol were considered for in-silico pharmacokinetic analyses. Based on acceptable pharmacokinetic parameters and drug-likeness, finally, five molecules were found to be important for the TMPRSS2 inhibition. A number of bonding interactions in terms of hydrogen bond and hydrophobic interactions were observed between the proposed molecules and ligand-interacting amino acids of the TMPRSS2. The dynamic behavior and stability of best-docked complex between TRMPRSS2 and proposed molecules were assessed through molecular dynamics (MD) simulation. Several parameters from MD simulation have suggested the stability between the protein and ligands. Binding free energy of each molecule calculated through MM-GBSA approach from the MD simulation trajectory suggested strong affection toward the TMPRSS2. Hence, proposed molecules might be crucial chemical components for the TMPRSS2 inhibition.
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Affiliation(s)
- Anshul Shakya
- Department of Pharmaceutical Sciences, Faculty of Science and Engineering, Dibrugarh University, Dibrugarh, Assam, 786 004, India
| | - Rupesh V Chikhale
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich, NR5 7TJ, UK
| | - Hans Raj Bhat
- Department of Pharmaceutical Sciences, Faculty of Science and Engineering, Dibrugarh University, Dibrugarh, Assam, 786 004, India
| | - Fatmah Ali Alasmary
- Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Tahani Mazyad Almutairi
- Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Surajit Kumar Ghosh
- Department of Pharmaceutical Sciences, Faculty of Science and Engineering, Dibrugarh University, Dibrugarh, Assam, 786 004, India
| | - Hassna Mohammed Alhajri
- Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Siham A Alissa
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, 11671, Saudi Arabia
| | - Shuchi Nagar
- Bioinformatics Research Centre, Dr. D. Y. Patil Biotechnology & Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Tathawade, Pune, India
| | - Md Ataul Islam
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK. .,School of Health Sciences, University of Kwazulu-Natal, Westville Campus, Durban, South Africa. .,Department of Chemical Pathology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
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33
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Girija A, Vijayanathan M, Sreekumar S, Basheer J, Menon TG, Krishnankutty RE, Soniya EV. Harnessing the natural pool of polyketide and non-ribosomal peptide family: A route map towards novel drug development. Curr Mol Pharmacol 2021; 15:265-291. [PMID: 33745440 DOI: 10.2174/1874467214666210319145816] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/10/2020] [Accepted: 12/31/2020] [Indexed: 11/22/2022]
Abstract
Emergence of communicable and non-communicable diseases possess health challenge to millions of people worldwide and is a major threat to the economic and social development in the coming century. The occurrence of recent pandemic, SARS-CoV-2 caused by lethal severe acute respiratory syndrome coronavirus 2 is one such example. Rapid research and development of drugs for the treatment and management of these diseases has been an incredibly challenging task for the pharmaceutical industry. Although, substantial focus has been made in the discovery of therapeutic compounds from natural sources having significant medicinal potential, their synthesis has shown a slow progress. Hence, the discovery of new targets by the application of the latest biotechnological and synthetic biology approaches is very much the need of the hour. Polyketides (PKs) and non-ribosomal peptides (NRPs) found in bacteria, fungi and plants are a large diverse family of natural products synthesized by two classes of enzymes: polyketide synthases (PKS) and non-ribosomal peptide synthetases (NRPS). These enzymes possess immense biomedical potential due to their simple architecture, catalytic capacity, as well as diversity. With the advent of latest in-silico and in-vitro strategies, these enzymes and their related metabolic pathways, if targeted, can contribute highly towards the biosynthesis of an array of potentially natural drug leads that have antagonist effects on biopolymers associated with various human diseases. In the face of the rising threat from the multidrug-resistant pathogens, this will further open new avenues for the discovery of novel and improved drugs by combining the natural and the synthetic approaches. This review discusses the relevance of polyketides and non-ribosomal peptides and the improvement strategies for the development of their derivatives and scaffolds, and how they will be beneficial to the future bioprospecting and drug discovery.
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Affiliation(s)
- Aiswarya Girija
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India.,Institute of Biological Environmental Rural Sciences (IBERS), Aberystwyth University, United Kingdom
| | - Mallika Vijayanathan
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India.,Biology Centre - Institute of Plant Molecular Biology, Czech Academy of Sciences, České Budějovice, 370 05, Czech Republic
| | - Sweda Sreekumar
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India.,Research Centre, University of Kerala, India
| | - Jasim Basheer
- School of Biosciences, Mahatma Gandhi University, PD Hills, Kottayam, Kerala, India.,Department of Cell Biology, Centre of the Region Haná for Biotechnological and Agricultural Research, Palacky University, Olomouc, Czech Republic
| | - Tara G Menon
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India
| | | | - Eppurathu Vasudevan Soniya
- Transdisciplinary Biology, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India
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34
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Manne M, Goudar G, Varikasuvu SR, Khetagoudar MC, Kanipakam H, Natarajan P, Ummiti MD, Yenagi VA, Chinthakindi S, Dharani P, Thota DSS, Patil S, Patil V. Cordifolioside: potent inhibitor against M pro of SARS-CoV-2 and immunomodulatory through human TGF-β and TNF-α. 3 Biotech 2021; 11:136. [PMID: 33643762 PMCID: PMC7898013 DOI: 10.1007/s13205-021-02685-z] [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: 12/21/2020] [Accepted: 02/08/2021] [Indexed: 12/23/2022] Open
Abstract
Therapeutic options for SARS-CoV-2 are limited merely to the symptoms or repurposed drugs and non-specific interventions to promote the human immune system. In the present study, chromatographic and in silico approaches were implemented to identify bioactive compounds which might play pivotal role as inhibitor for SARS-CoV-2 and human immunomodulator (TGF-β and TNF-α). Tinospora cordifolia (Willd.) Miers was evaluated for phenolic composition and explored for bioactive compounds by high-performance thin layer chromatography (HPTLC). Furthermore, the bioactive compounds such as cordifolioside, berberine, and magnoflorine were appraised as human immunomodulatory and potent inhibitor against Main Protease (Mpro) of SARS-CoV-2 through multiple docking strategies. Cordifolioside formed six stable H-bonds with His41, Ser144, Cys145, His163, His164, and Glu166 of Mpro of SARS-CoV-2, which displayed a significant role in the viral replication/transcription during infection acting towards the common conserved binding cleft among all strains of coronavirus. Overall, the study emphasized that the proposed cordifolioside might use for future investigations, which hold as a promising scaffold for developing anti-COVID-19 drug and reduce human cytokine storm.
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35
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Kim TI, Kwon EB, Oh YC, Go Y, Choi JG. Mori ramulus and its Major Component Morusin Inhibit Herpes Simplex Virus Type 1 Replication and the Virus-Induced Reactive Oxygen Species. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2020; 49:163-179. [PMID: 33371809 DOI: 10.1142/s0192415x21500099] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Herpes simplex virus type 1 (HSV-1) is ubiquitous in many populations despite the use of acyclovir or related nucleoside analogs for treating infection. Drug resistance impairs the treatment of HSV-infected individuals who have immune deficits, underscoring the need for new safe and effective antiviral agents. Mori ramulus (the young twig of Morus alba L.) has long been used to treat diseases in Korea, Japan, and China. Recent studies have reported multiple pharmacological activities of Mori ramulus and its constituent morusin, but their effects on HSV-1 remain unknown. Here, we found that treatment with Mori ramulus ethanol extract (MRE) significantly reduced the replication of fluorescently labeled HSV-1 in Vero cells and inhibited the expression of HSV-1 envelope glycoprotein D (gD) and tegument protein VP16. MRE, furthermore, blocked HSV-1-induced production of reactive oxygen species (ROS), and this mediated the inhibition of viral replication. We identified morusin as the active antiviral component of MRE and found that morusin post-treatment was sufficient to inhibit viral gD and VP16 in addition to HSV-1-induced ROS production. Therefore, the inhibition of HSV-1-induced ROS may explain the antiviral activity of MRE against HSV-1. MRE or its component morusin may be potentially developed for anti-HSV-1 agents.
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Affiliation(s)
- Tae In Kim
- Korean Medicine (KM) Application Center, Korea Institute of Oriental Medicine (KIOM), Dong-gu, Daegu 701-300, Republic of Korea
| | - Eun-Bin Kwon
- Korean Medicine (KM) Application Center, Korea Institute of Oriental Medicine (KIOM), Dong-gu, Daegu 701-300, Republic of Korea
| | - You-Chang Oh
- Korean Medicine (KM) Application Center, Korea Institute of Oriental Medicine (KIOM), Dong-gu, Daegu 701-300, Republic of Korea
| | - Younghoon Go
- Korean Medicine (KM) Application Center, Korea Institute of Oriental Medicine (KIOM), Dong-gu, Daegu 701-300, Republic of Korea
| | - Jang-Gi Choi
- Korean Medicine (KM) Application Center, Korea Institute of Oriental Medicine (KIOM), Dong-gu, Daegu 701-300, Republic of Korea
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36
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Khan T, Khan MA, Mashwani ZUR, Ullah N, Nadhman A. Therapeutic potential of medicinal plants against COVID-19: The role of antiviral medicinal metabolites. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020; 31:101890. [PMID: 33520034 PMCID: PMC7831775 DOI: 10.1016/j.bcab.2020.101890] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/27/2020] [Accepted: 12/07/2020] [Indexed: 12/15/2022]
Abstract
There are numerous trials underway to find treatment for the COVID-19 through testing vaccines as well as existing drugs. Apart from the many synthetic chemical compounds, plant-based compounds could provide an array of \suitable candidates for testing against the virus. Studies have confirmed the role of many plants against respiratory viruses when employed either as crude extracts or their active ingredients in pure form. The purpose of this review article is to highlight the importance of phytomedicine against COVID-19. The main aim is to review the mechanistic aspects of most important phytochemical compounds that have showed potential against coronaviruses. Glycyrrhizin from the roots of Glycyrrhiza glabra has shown promising potential against the previously epidemic coronavirus, SARS-CoV. Other important plants such as Artemisia annua, Isatis indigotica, Lindera aggregate, Pelargonium sidoides, and Glychirrhiza spp. have been employed against SARS-CoV. Active ingredients (e.g. emodin, reserpine, aescin, myricetin, scutellarin, apigenin, luteolin, and betulonic acid) have shown promising results against the coronaviruses. Phytochemicals have demonstrated activity against the coronaviruses through mechanisms such as viral entry inhibition, inhibition of replication enzymes and virus release blockage. However, compared to synthetic drugs, phytomedicine are mechanistically less understood and should be properly evaluated before application. Nonetheless, phytochemicals reduce the tedious job of drug discovery and provide a less time-consuming alternative for drug testing. Therefore, along with other drugs currently tested against COVID-19, plant-based drugs should be included for speedy development of COVID-19 treatment.
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Affiliation(s)
- Tariq Khan
- Department of Biotechnology, University of Malakand, Chakdara, KP, Pakistan
| | - Mubarak Ali Khan
- Department of Biotechnology, Faculty of Chemical and Life Sciences, Abdul Wali Khan University Mardan (AWKUM), Mardan, 23390, Pakistan
| | | | - Nazif Ullah
- Department of Biotechnology, Faculty of Chemical and Life Sciences, Abdul Wali Khan University Mardan (AWKUM), Mardan, 23390, Pakistan
| | - Akhtar Nadhman
- Department of Integrative Biosciences, CECOS University, Peshawar, Pakistan
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Xian Y, Zhang J, Bian Z, Zhou H, Zhang Z, Lin Z, Xu H. Bioactive natural compounds against human coronaviruses: a review and perspective. Acta Pharm Sin B 2020; 10:1163-1174. [PMID: 32834947 PMCID: PMC7278644 DOI: 10.1016/j.apsb.2020.06.002] [Citation(s) in RCA: 112] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/19/2020] [Accepted: 05/25/2020] [Indexed: 02/08/2023] Open
Abstract
Coronaviruses (CoVs), a family of enveloped positive-sense RNA viruses, are characterized by club-like spikes that project from their surface, unusually large RNA genome, and unique replication capability. CoVs are known to cause various potentially lethal human respiratory infectious diseases, such as severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS), and the very recent coronavirus disease 2019 (COVID-19) outbreak. Unfortunately, neither drug nor vaccine has yet been approved to date to prevent and treat these diseases caused by CoVs. Therefore, effective prevention and treatment medications against human coronavirus are in urgent need. In the past decades, many natural compounds have been reported to possess multiple biological activities, including antiviral properties. In this article, we provided a comprehensive review on the natural compounds that interfere with the life cycles of SARS and MERS, and discussed their potential use for the treatment of COVID-19.
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Key Words
- 3CLpro, chymotrypsin-like protease
- ACE2, angiotensin-converting enzyme 2
- BALF, bronchoalveolar lavage fluid
- COVID-19
- COVID-19, coronavirus disease 2019
- CoVs, coronaviruses
- Coronavirus
- DAT, desaminotyrosine
- ER, endoplasmic reticulum
- ERGIC, endoplasmic reticulum–Golgi intermediate compartment
- HCoVs, human coronaviruses
- HLH, hemophagocytic lymphohistiocytosis
- HR, heptad repeats
- HSV, herpes simplex virus
- IL, interleukin
- LHQWC, Lian-Hua-Qing-Wen Capsule
- MAPK, mitogen-activated protein kinase
- MERS, Middle East respiratory syndrome
- MERS-CoV
- MERS-CoV, Middle East respiratory syndrome coronavirus
- N protein, nucleocapsid protein
- NCIP, novel coronavirus-infected pneumonia
- NF-κB, nuclear factor-κB
- Natural compounds
- PI3K, phosphoinositide 3-kinases
- PLpro, papain-like protease
- RNA-Virus
- RTC, replication transcription complex
- RdRp, RNA-dependent RNA polymerase
- S protein, spike protein
- SARS, severe acute respiratory syndrome
- SARS-CoV
- SARS-CoV, severe acute respiratory syndrome coronavirus
- SARS-CoV-2
- SARS-CoV-2, severe acute respiratory syndrome coronavirus 2
- STAT, signal transducer and activator of transcription
- TCM, traditional Chinese medicine
- WHO, World Health Organization
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Bao H, Zhou B, Luo SP, Xu Z, Jin H, Liu Y. P/N Heteroleptic Cu(I)-Photosensitizer-Catalyzed Deoxygenative Radical Alkylation of Aromatic Alkynes with Alkyl Aldehydes Using Dipropylamine as a Traceless Linker Agent. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02454] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hanyang Bao
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Bingwei Zhou
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Shu-Ping Luo
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Zheng Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, P. R. China
| | - Hongwei Jin
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yunkui Liu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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Thabti I, Albert Q, Philippot S, Dupire F, Westerhuis B, Fontanay S, Risler A, Kassab T, Elfalleh W, Aferchichi A, Varbanov M. Advances on Antiviral Activity of Morus spp. Plant Extracts: Human Coronavirus and Virus-Related Respiratory Tract Infections in the Spotlight. Molecules 2020; 25:molecules25081876. [PMID: 32325742 PMCID: PMC7221944 DOI: 10.3390/molecules25081876] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/10/2020] [Accepted: 04/15/2020] [Indexed: 12/13/2022] Open
Abstract
(1) Background: Viral respiratory infections cause life-threatening diseases in millions of people worldwide every year. Human coronavirus and several picornaviruses are responsible for worldwide epidemic outbreaks, thus representing a heavy burden to their hosts. In the absence of specific treatments for human viral infections, natural products offer an alternative in terms of innovative drug therapies. (2) Methods: We analyzed the antiviral properties of the leaves and stem bark of the mulberry tree (Morus spp.). We compared the antiviral activity of Morus spp. on enveloped and nonenveloped viral pathogens, such as human coronavirus (HCoV 229E) and different members of the Picornaviridae family-human poliovirus 1, human parechovirus 1 and 3, and human echovirus 11. The antiviral activity of 12 water and water-alcohol plant extracts of the leaves and stem bark of three different species of mulberry-Morus alba var. alba, Morus alba var. rosa, and Morus rubra-were evaluated. We also evaluated the antiviral activities of kuwanon G against HCoV-229E. (3) Results: Our results showed that several extracts reduced the viral titer and cytopathogenic effects (CPE). Leaves' water-alcohol extracts exhibited maximum antiviral activity on human coronavirus, while stem bark and leaves' water and water-alcohol extracts were the most effective on picornaviruses. (4) Conclusions: The analysis of the antiviral activities of Morus spp. offer promising applications in antiviral strategies.
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Affiliation(s)
- Inès Thabti
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
- Laboratoire d’Aridoculture et Cultures Oasiennes, Institut des régions Arides de Médenine, Route el Djorf, Médenine 4119, Tunisia; (W.E.); (A.A.)
| | - Quentin Albert
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
| | - Stéphanie Philippot
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
| | - François Dupire
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
| | - Brenda Westerhuis
- Department of Medical Microbiology, Academic Medical Center, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands;
- Department of Viroscience, Erasmus MC, 3015 GD Rotterdam, The Netherlands
| | - Stéphane Fontanay
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
- INSA de Lyon, Université de Lyon, CNRS, UMR5240, F-69622 Villeurbanne, France
| | - Arnaud Risler
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
| | - Thomas Kassab
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
| | - Walid Elfalleh
- Laboratoire d’Aridoculture et Cultures Oasiennes, Institut des régions Arides de Médenine, Route el Djorf, Médenine 4119, Tunisia; (W.E.); (A.A.)
- Energy, Water, Environment and Process Laboratory, (LR18ES35), National Engineering School of Gabes, University of Gabes, Gabes 6072, Tunisia
| | - Ali Aferchichi
- Laboratoire d’Aridoculture et Cultures Oasiennes, Institut des régions Arides de Médenine, Route el Djorf, Médenine 4119, Tunisia; (W.E.); (A.A.)
| | - Mihayl Varbanov
- L2CM, Université de Lorraine, CNRS, F-54000 Nancy, France; (I.T.); (Q.A.); (S.P.); (F.D.); (S.F.); (A.R.); (T.K.)
- Correspondence:
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Won YS, Seo KI. Sanggenol L promotes apoptotic cell death in melanoma skin cancer cells through activation of caspase cascades and apoptosis-inducing factor. Food Chem Toxicol 2020; 138:111221. [PMID: 32084496 DOI: 10.1016/j.fct.2020.111221] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 01/22/2020] [Accepted: 02/17/2020] [Indexed: 12/18/2022]
Abstract
Sanggenol L is one component of root bark of Morus alba. The molecular and cellular mechanisms of sanggenol L effects on melanoma cells are not well known. Recently, melanoma is the most common skin cancer with a high mortality rate not only in United States, but also in East Asia. Therefore, safe and effective treatments for melanoma treatment are required. In this study, we investigated whether or not sanggenol L possesses anti-cancer activity in human and mouse melanoma skin cancer cells. Sanggenol L treatment exerted significant cell growth inhibitory effects and inhibited colony formation capacity against B16, SK-MEL-2, and SK-MEL-28 melanoma skin cancer cells, whereas HaCaT human epithelial keratinocyte cells was unaffected by sanggenol L treatment. Sanggenol L treatment resulted in apoptotic cell death in melanoma skin cancer cells, which was characterized by accumulation of apoptotic cells, nuclear condensation, and apoptotic bodies. We also showed that sanggenol L treatment induced caspase-dependent apoptosis (up-regulation of Bax and cleaved-PARP or down-regulation of Bid, Bcl-2, procaspse-3, -8, and -9), induction of caspase-independent apoptosis (up-regulation of AIF and Endo G on cytosol) in melanoma skin cancer cells. These results suggest that sanggenol L induces caspase-dependent and -independent apoptosis in melanoma skin cancer cells.
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Affiliation(s)
- Yeong-Seon Won
- Department of Biotechnology, Dong-A University, Busan, 49315, Republic of Korea
| | - Kwon-Il Seo
- Department of Biotechnology, Dong-A University, Busan, 49315, Republic of Korea.
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Khan N, Bhat R, Patel AK, Ray P. Discovery of small molecule inhibitors of chikungunya virus proteins (nsP2 and E1) using in silico approaches. J Biomol Struct Dyn 2020; 39:1373-1385. [PMID: 32072865 DOI: 10.1080/07391102.2020.1731602] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Chikungunya virus (CHIKV) has emerged as a major viral threat, affecting over a million people worldwide per year. It is a vector borne disease transmitted to the human by Ades mosquitoes and primarily affect people by causing viral fever, severe joint pain and other symptoms, like rash, joint swelling, muscle pain and in rare cases can be fatal. CHIKV is a deadly virus, with its mutation rate found to be significantly higher as compared to other viruses. To date, there has been no reported FDA approved drug against this virus. Thus, keeping in mind the urgent need to scrutinize potential therapies against CHIKV, the present study identified twenty plant bioactive compounds that are available at low price and do not have associated adverse effect. For identification of active potentials molecules the pharmacoinformatics-based perspective was applied against CHIKV structural (E1) and non-structural (nsP2) proteins using molecular docking and scoring. The selected compounds were further studied for pharmacokinetics (PK) and pharmacodynamics (PD) associated parameters such as initial absorption, then distribution and later on metabolism excretion and toxicity (ADMET) profiles based on in silico study. The results reveal five potential lead compounds having high binding energy that can help in the development of commercial drugs with favorable ADMET characteristic.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Naushad Khan
- Department of Biotechnology, Jamia Hamdard, New Delhi, India
| | - Ruchika Bhat
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India.,Supercomputing Facility for Bioinformatics & Computational Biology, IIT Delhi, New Delhi, India
| | - Ashok K Patel
- Kusuma School of Biological Sciences, IIT Delhi, New Delhi, India
| | - Pratima Ray
- Department of Biotechnology, Jamia Hamdard, New Delhi, India
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Čulenová M, Sychrová A, Hassan STS, Berchová-Bímová K, Svobodová P, Helclová A, Michnová H, Hošek J, Vasilev H, Suchý P, Kuzminová G, Švajdlenka E, Gajdziok J, Čížek A, Suchý V, Šmejkal K. Multiple In vitro biological effects of phenolic compounds from Morus alba root bark. JOURNAL OF ETHNOPHARMACOLOGY 2020; 248:112296. [PMID: 31610262 DOI: 10.1016/j.jep.2019.112296] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 10/09/2019] [Indexed: 05/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Morus alba L. is used in traditional Chinese medicine for the treatment of various diseases, including bacterial infections and inflammation. As a rich source of phenolic compounds, the plant is an object of many phytochemical and pharmacological studies. AIM OF THE STUDY The aim of the study was to isolate and evaluate possible parallel antiviral, antibacterial, and anti-inflammatory activities of phenolic mulberry compounds. MATERIALS AND METHODS Extensive chromatographic separation of mulberry root bark extract and in vitro biological screening of 26 constituents identified promising candidates for further pharmacological research. Selected compounds were screened for anti-infective and anti-inflammatory activities. Antiviral activity was determined by the plaque number reduction assay and by the titer reduction assay, antibacterial using broth microdilution method, and anti-inflammatory activity using COX Colorimetric inhibitor screening assay kit. One compound was evaluated in vivo in carrageenan-induced paw-edema in mice. RESULTS Five prenylated compounds 1, 2, 8, 9, and 11, together with a simple phenolic ester 13, exhibited inhibitory activity against the replication of herpes simplex virus 1 (HSV-1) or herpes simplex virus 2 (HSV-2), with IC50 values ranging from 0.64 to 1.93 μg/mL, and EC50 values 0.93 and 1.61 μg/mL. Molecular docking studies demonstrated the effects of the active compounds by targeting HSV-1 DNA polymerase and HSV-2 protease. In antibacterial assay, compounds 1, 4, 11, and 17 diminished the growth of all of the Gram-positive strains tested, with MIC values of 1-16 μg/mL. The anti-inflammatory ability of several compounds to inhibit cyclooxygenase 2 (COX-2) was tested in vitro, and compound 16 displayed greater activity than the indomethacin, positive control. Mulberrofuran B (11) showed anti-inflammatory activity in vivo against carrageenan-induced paw-edema in mice. CONCLUSIONS Experimental investigation showed promising antiviral, antibacterial, and/or anti-inflammatory activities of the phenolic mulberry constituents, often with multiple inhibitory effects that might be used as a potential source of new medicine.
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Affiliation(s)
- Marie Čulenová
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic.
| | - Alice Sychrová
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Sherif T S Hassan
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Kateřina Berchová-Bímová
- Department of Applied Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, CZ-165 21, Praha 6-Suchdol, Czech Republic
| | - Petra Svobodová
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Alexandra Helclová
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Hana Michnová
- Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Jan Hošek
- Department of Molecular Biology and Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Hristo Vasilev
- Department of Pharmacognosy, Faculty of Pharmacy, Medical University-Sofia, 2 Dunav str., BG-1000, Sofia, Bulgaria
| | - Pavel Suchý
- Department of Human Pharmacology and Toxicology, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Gabriela Kuzminová
- Department of Human Pharmacology and Toxicology, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Emil Švajdlenka
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Jan Gajdziok
- Department of Pharmaceutics, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Alois Čížek
- Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Václav Suchý
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic
| | - Karel Šmejkal
- Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences Brno, CZ-612 42, Brno, Czech Republic.
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Neuroprotective γ-Pyrones from Fusarium Solani JS-0169: Cell-Based Identification of Active Compounds and an Informatics Approach to Predict the Mechanism of Action. Biomolecules 2020; 10:biom10010091. [PMID: 31935895 PMCID: PMC7023011 DOI: 10.3390/biom10010091] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 12/31/2019] [Accepted: 01/04/2020] [Indexed: 01/09/2023] Open
Abstract
Glutamate toxicity has been implicated in neuronal cell death in both acute CNS injury and in chronic diseases. In our search for neuroprotective agents obtained from natural sources that inhibit glutamate toxicity, an endophytic fungus, Fusarium solani JS-0169 isolated from the leaves of Morus alba, was found to show potent inhibitory activity. Chemical investigation of the cultures of the fungus JS-0169 afforded isolation of six compounds, including one new γ-pyrone (1), a known γ-pyrone, fusarester D (2), and four known naphthoquinones: karuquinone B (3), javanicin (4), solaniol (5), and fusarubin (6). To identify the protective effects of the isolated compounds (1–6), we assessed their inhibitory effect against glutamate-induced cytotoxicity in HT22 cells. Among the isolates, compound 6 showed significant neuroprotective activity on glutamate-mediated HT22 cell death. In addition, the informatics approach using in silico systems pharmacology identified that compound 6 may exert its neuroprotective effect by controlling the amount of ubiquinone. The results suggest that the metabolites produced by the endophyte Fusarium solani JS-0169 might be related to the neuroprotective activity of its host plant, M. alba.
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S J RD, Kumar B P. In Silico Screening for Anti-inflammatory Bioactive Molecules from Ayurvedic Decoction, Balaguluchyadi kashayam. Curr Comput Aided Drug Des 2019; 16:435-450. [PMID: 31749431 DOI: 10.2174/1573409915666191015113753] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 06/12/2019] [Accepted: 09/20/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Balaguluchyadi kashayam, a polyherbal Ayurvedic decoction prepared from Sidacordifolia L., Tinospora cordifolia (Willd.) Miers, and Cedrusdeodara (Roxb. ex D.Don) G.Don, is used in Ayurveda for the treatment of chronic inflammatory conditions. Although this herbal decoction has been used for a long period for treating chronic inflammatory conditions, the mechanism of action of the decoction in reducing inflammatory conditions associated with chronic inflammation has not been clearly understood. Mass spectroscopy-based identification of bioactive molecules present in the decoction and its interaction with enzymes/proteins involved in the pathogenesis of chronic inflammation has been carried and reported in this study. INTRODUCTION Polyherbalism is one of the major principles of Ayurveda. Various phytoconstituents with different activities in the polyherbal decoction act on multi targets of a wide range of diseases. Balaguluchyadi kashayam is a polyherbal decoction prescribed for chronic inflammatory etiologies and the present study aims to evaluate the binding potential of the compounds, identified from Balaguluchyadi kashayam to enzymes/proteins involved in the development and progression of chronic inflammation. METHODS The bioactive compounds present in the Balaguluchyadi Kashayam fractions were extracted by preparative HPLC and identified using UPLC MS Q-TOF. The physicochemical characteristics and ADMET properties of the compounds were calculated using Mol soft, Swiss ADME and OSIRIS data warrior software. Then the binding interactions between the molecules and the proinflammatory mediators such as 5 Lipoxygenase, Cyclooxygenase 2, Tumor necrosis factoralpha convertase enzyme (TACE) and Caspase 1 were determined using molecular docking software Auto Dock 4.0 (http://autodock.scripps.edu/downloads). RESULTS The identified bioactive molecules in the decoction showed a good binding affinity towards the enzymes/proteins involved in the development and progression of chronic inflammation compared to the binding affinity of known inhibitors/drugs to the respective enzymes/proteins. CONCLUSION The bioactive molecules identified in Balaguluchyadi Kashayam could be developed as potential therapeutic molecules against enzymes/proteins involved in the development and progression of chronic inflammation.
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Affiliation(s)
- Rahitha Devi S J
- Inflammation Research Lab, School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala 686560, India
| | - Prakash Kumar B
- Inflammation Research Lab, School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala 686560, India
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Fitriani R, Happyana N, Hakim EH. Potential cytotoxic Diels-Alder type adducts from liquid medium of Morus Alba var. shalun root cultures. Nat Prod Res 2019; 35:2274-2278. [PMID: 31554425 DOI: 10.1080/14786419.2019.1667353] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A new Diels-Alder type adduct named morushalunin (1), together with three similar compounds, guangsangon E (2), chalcomoracin (3), and kuwanon J (4) were isolated from the EtOAc extract of liquid medium of Morus alba var. shalun root cultures. The structures of the isolated compounds were determined based on spectroscopic data, including 1D, 2D NMR, and MS data. Cytotoxic properties of compounds 1-4 were evaluated against murine leukemia P-388 cells. Morushalunin (1), guangsangon E (2), and chalcomoracin (3) were found to have significant cytotoxicity with IC50 values 0.7, 2.5, and 1.7 μg/mL, respectively, while kuwanon J (4) showed weak cytotoxicity (IC50 = 5.9 μg/mL).
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Affiliation(s)
- Rizki Fitriani
- Organic Chemistry Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Natural Product Research Group, Jalan Ganesha 10, Bandung, 40132, Indonesia
| | - Nizar Happyana
- Organic Chemistry Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Natural Product Research Group, Jalan Ganesha 10, Bandung, 40132, Indonesia
| | - Euis Holisotan Hakim
- Organic Chemistry Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Natural Product Research Group, Jalan Ganesha 10, Bandung, 40132, Indonesia
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Nutraceutical Properties of Mulberries Grown in Southern Italy (Apulia). Antioxidants (Basel) 2019; 8:antiox8070223. [PMID: 31315226 PMCID: PMC6680737 DOI: 10.3390/antiox8070223] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/10/2019] [Accepted: 07/12/2019] [Indexed: 11/16/2022] Open
Abstract
In this work, for the first time, were analyzed mulberry genotypes grown in Apulia (Southern Italy, Salento region) were analyzed. Two local varieties of Morus alba (cv. Legittimo nero and cv. Nello) and one of Morus nigra were characterized for content in simple sugars, organic acids, phenols, anthocyanins; fruit antioxidant activity (AA) was also evaluated by three different methods (2,2-Diphenyl-1-picrylhydrazyl, DPPH; 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid), ABTS; and Ferric reducing antioxidant potential, FRAP test). The results showed that the sugars amount ranged between 6.29 and 7.66 g/100 g fresh weight (FW) while the malic and citric acids content was low, at about 0.1–1 g/100 g FW. Mulberries are a good source of phenols which are present in higher values in M. nigra and M. alba cv. Legittimo nero (485 and 424 mg Gallic Acid Equivalent (GAE)/ 100 g FW, respectively). The high performance liquid chromatography/diode array detector/mass spectrometry (HPLC/DAD/MS) analysis identified 5 main anthocyanin compounds present in different concentrations in each variety of mulberry: cyanidin 3-sophoroside, cyanidin 3-glucoside, cyanidin 3-rutinoside, pelargonidin 3-glucoside, pelargonidin 3-rutinoside. The highest concentration of anthocyanins was determined in Morus alba Legittimo (about 300 mg/100 g FW) while the lowest content (about 25 mg/100 g FW) was measured in M. alba cv. Nello. Morus nigra showed a good AA in comparison with the different M. alba genotypes with all the used methods; its AA was equal to 33, 26 and 21 μmols Trolox/g FW when using DPPH, ABTS and FRAP tests, respectively. All genotypes showed an anti-inflammatory activity (measured by cyclooxygenase (COX) inhibitory assay) which was also compared with two commercial anti-inflammatory drugs. The data obtained support the high biological qualities of mulberry fruits and their diffusion in human nutrition.
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Ghorai J, Anbarasan P. Developments in Cp*Co
III
‐Catalyzed C−H Bond Functionalizations. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201800452] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jayanta Ghorai
- Department of ChemistryIndian Institute of Technology Madras Chennai – 600036
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Boozari M, Soltani S, Iranshahi M. Biologically active prenylated flavonoids from the genus Sophora and their structure-activity relationship-A review. Phytother Res 2019; 33:546-560. [PMID: 30652369 DOI: 10.1002/ptr.6265] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 11/26/2018] [Accepted: 11/28/2018] [Indexed: 12/28/2022]
Abstract
The genus Sophora (Fabaceae) has been used in traditional medicine for years. Prenylated flavonoids are one of the constituents of Sophora species that play important roles in their biological properties. Different classes of prenylated flavonoids are produced by Sophora spp. including prenylated flavonol (e.g., sophoflavescenol), prenylated flavanone (e.g., sophoraflavanone G), prenylated flavonostilbene (e.g., alopecurones A and B), and prenylated chalcone (kuraridin). Prenylated flavonoids have a more lipophilic structure, which leads to its high affinity to the cell membranes and enhancement of the biological activity, which includes cytotoxicity, antibacterial, anti-inflammatory, and estrogenic activities. However, it is reported that prenylation decreases the plasma absorption but increases the tissue accumulation. The presence of the prenyl or lavandulyl groups on C8 position of flavonoids plays an important role in the biological activity. It seems that prenylated flavonoids have the potential to be developed as new drugs or supplements for human health.
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Affiliation(s)
- Motahare Boozari
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saba Soltani
- Department of Pharmacognosy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Iranshahi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Vora J, Patel S, Sinha S, Sharma S, Srivastava A, Chhabria M, Shrivastava N. Structure based virtual screening, 3D-QSAR, molecular dynamics and ADMET studies for selection of natural inhibitors against structural and non-structural targets of Chikungunya. J Biomol Struct Dyn 2018; 37:3150-3161. [PMID: 30114965 DOI: 10.1080/07391102.2018.1509732] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
The transmission of mosquito-borne Chikungunya virus (CHIKV) has large epidemics worldwide. Till date, there are neither anti-viral drugs nor vaccines available for the treatment of Chikungunya. Accumulated evidences suggest that some natural compounds i.e., Epigallocatechin gallate, Harringtonine, Apigenin, Chrysin, Silybin, etc. have the capability to inhibit CHIKV replication in vitro. Natural compounds are known to possess less or no side effects. Therefore, natural compound in its purified or crude extracts form could be the preeminent and safe mode of therapies for Chikungunya. Wet lab screening and identification of natural compounds against Chikungunya targets is a time consuming and expensive exercise. In the present study, we used in silico techniques like receptor-ligand docking, Molecular dynamic (MD), Three Dimensional Quantitative Structure Activity Relation (3D-QSAR) and ADME properties to screen out potential compounds. Aim of the study is to identify potential lead/s from natural sources using in silico techniques that can be developed as a drug like molecule against Chikungunya infection and replication. Three softwares were used for molecular docking studies. Potential ligands selected by docking studies were subsequently subjected 3D-QSAR studies to predict biological activity. Based on docking scores and pIC50 value, potential anti-Chikungunya compounds were identified. Best docked receptor-ligands were also subjected to MD for more accurate estimation. Lipinski's rule and ADME studies of the identified compounds were also studied to assess their drug likeness properties. Results of in silico findings, led to identification of few best fit compounds of natural origin against targets of Chikungunya virus which may lead to discovery of new drugs for Chikungunya. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Jaykant Vora
- a Department of Pharmacognosy and Phytochemistry , B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre , Ahmedabad , Gujarat , India.,b Registered Ph.D. student of Gujarat University , Ahmedabad , Gujarat , India
| | - Shivani Patel
- c Department of Pharmaceutical Chemistry , L.M. College of Pharmacy , Ahmedabad , Gujarat , India
| | - Sonam Sinha
- a Department of Pharmacognosy and Phytochemistry , B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre , Ahmedabad , Gujarat , India.,b Registered Ph.D. student of Gujarat University , Ahmedabad , Gujarat , India
| | - Sonal Sharma
- a Department of Pharmacognosy and Phytochemistry , B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre , Ahmedabad , Gujarat , India
| | - Anshu Srivastava
- a Department of Pharmacognosy and Phytochemistry , B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre , Ahmedabad , Gujarat , India
| | - Mahesh Chhabria
- c Department of Pharmaceutical Chemistry , L.M. College of Pharmacy , Ahmedabad , Gujarat , India
| | - Neeta Shrivastava
- a Department of Pharmacognosy and Phytochemistry , B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre , Ahmedabad , Gujarat , India
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Vascular Protection by Ethanol Extract of Morus alba Root Bark: Endothelium-Dependent Relaxation of Rat Aorta and Decrease of Smooth Muscle Cell Migration and Proliferation. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:7905763. [PMID: 30515235 PMCID: PMC6236707 DOI: 10.1155/2018/7905763] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 10/23/2018] [Indexed: 11/18/2022]
Abstract
Morus alba (white mulberry) is native to the northern part of Korea and popularly used as a traditional medicine due to its numerous health benefits against human's disease. However, the possibility that M. alba may also affect the cardiovascular system remains unexplored. This study sought to investigate the vascular protective effects of the root bark extract of M. alba (MAE). Vascular reactivity was performed in organ baths using isolated rat thoracic aorta, while platelet derived growth factor (PDGF) induced proliferation and migration of vascular smooth muscle cells (VSMCs) were studied by 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) and wound healing assay, respectively. MAE evoked a concentration dependent vasorelaxation following endothelium-dependent pathway. However, vessel relaxations in response to MAE were markedly reduced after endothelium removal; treatment of endothelial nitric oxide synthase inhibitor, guanylyl cyclase inhibitor, and nonspecific potassium channel inhibitor, however, was not altered by cyclooxygenase inhibitor. Furthermore, MAE also significantly blunted contractile response to vasoconstrictor agent, phenylephrine. Taken together, the current evidence revealed that MAE is a potent endothelium-dependent vasodilator and this effect was involved in, at least in part, nitric oxide cyclic-guanosine monophosphate (NO-cGMP) pathway in combination with potassium (K+) channel activation. Moreover, MAE inhibited proliferation and migration of VSMCs induced by PDGF. Therefore, MAE could be a promising candidate of natural medicine for preventing and controlling cardiovascular diseases linked with endothelial dysfunction.
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