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Park S, Oh HY, Go HJ, Kubarova A, Lim JY, Choi J, Oh HM, Park NG. Screening and purification of antimicrobial materials from coelomic fluid of sea urchin, Heliocidaris crassispina. FISH & SHELLFISH IMMUNOLOGY 2024; 152:109766. [PMID: 39009195 DOI: 10.1016/j.fsi.2024.109766] [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: 02/09/2024] [Revised: 06/25/2024] [Accepted: 07/12/2024] [Indexed: 07/17/2024]
Abstract
Marine organisms, such as sea urchins like Heliocidaris crassispina, produce bioactive substances with antimicrobial activity to protect themselves from the high density of microorganisms in their habitats. One such substance, Echinochrome A (Ech A), has been isolated from various sea urchins' shells and spines using strong acidic solutions and organic solvents. Ech A, however, has not been reported from the coelomic fluid of H. crassispina. In this study, we report the antimicrobial activity of H. crassispina coelomic fluid extract against various microbes, evaluating its potential for purifying potent antimicrobial materials. Upon confirming the extract as a promising source of antimicrobial materials, we isolated antimicrobial compounds from the extract. A series of HPLC steps were taken to purify antimicrobial materials from the H. crassispina coelomic fluid extract, resulting in the isolation of two single absorbance peaks showing antimicrobial activity against Staphylococcus aureus. One peak consisted of a single antimicrobial compound with a molecular weight (MW) corresponding to Ech A, while the other peak comprised five MWs inferred to be those of Ech A and its oxidative products. The elution of Ech A in two separate peaks may be attributable to the presence of Ech A's isomer, as reported in several previous studies. The use of the environmentally friendly extraction method in procurement of Ech A from the coelomic fluid would contribute to the implementation of risk-reducing extraction method for researchers studying Ech A from sea urchins.
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Affiliation(s)
- Soohyun Park
- School of Marine and Fisheries Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Hye Young Oh
- Institute of Marine Life Science, Pukyong National University, Busan, 48513, Republic of Korea; Department of Biotechnology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Hye-Jin Go
- Institute of Marine Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Anastasia Kubarova
- Institute of Marine Life Science, Pukyong National University, Busan, 48513, Republic of Korea; Department of Biotechnology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Jae Young Lim
- School of Marine and Fisheries Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Junseong Choi
- School of Marine and Fisheries Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Hyun-Myoung Oh
- Institute of Liberal Arts Education, Pukyong National University, Busan, 48547, Republic of Korea
| | - Nam Gyu Park
- School of Marine and Fisheries Life Science, Pukyong National University, Busan, 48513, Republic of Korea; Department of Biotechnology, Pukyong National University, Busan, 48513, Republic of Korea.
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2
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Nagahawatta DP, Liyanage NM, Jayawardena TU, Jayawardhana HHACK, Jeong SH, Kwon HJ, Jeon YJ. Role of marine natural products in the development of antiviral agents against SARS-CoV-2: potential and prospects. MARINE LIFE SCIENCE & TECHNOLOGY 2024; 6:280-297. [PMID: 38827130 PMCID: PMC11136918 DOI: 10.1007/s42995-023-00215-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 10/17/2023] [Indexed: 06/04/2024]
Abstract
A novel coronavirus, known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has surfaced and caused global concern owing to its ferocity. SARS-CoV-2 is the causative agent of coronavirus disease 2019; however, it was only discovered at the end of the year and was considered a pandemic by the World Health Organization. Therefore, the development of novel potent inhibitors against SARS-CoV-2 and future outbreaks is urgently required. Numerous naturally occurring bioactive substances have been studied in the clinical setting for diverse disorders. The intricate infection and replication mechanism of SARS-CoV-2 offers diverse therapeutic drug targets for developing antiviral medicines by employing natural products that are safer than synthetic compounds. Marine natural products (MNPs) have received increased attention in the development of novel drugs owing to their high diversity and availability. Therefore, this review article investigates the infection and replication mechanisms, including the function of the SARS-CoV-2 genome and structure. Furthermore, we highlighted anti-SARS-CoV-2 therapeutic intervention efforts utilizing MNPs and predicted SARS-CoV-2 inhibitor design. Supplementary Information The online version contains supplementary material available at 10.1007/s42995-023-00215-9.
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Affiliation(s)
- D. P. Nagahawatta
- Department of Marine Life Sciences, Jeju National University, Jeju, 690-756 Republic of Korea
| | - N. M. Liyanage
- Department of Marine Life Sciences, Jeju National University, Jeju, 690-756 Republic of Korea
| | - Thilina U. Jayawardena
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G8Z 4M3 Canada
| | | | - Seong-Hun Jeong
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, Republic of Korea
| | - Hyung-Jun Kwon
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju, 690-756 Republic of Korea
- Marine Science Institute, Jeju National University, Jeju, 63333 Republic of Korea
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3
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Ahmad F, Sachdeva P, Sachdeva B, Singh G, Soni H, Tandon S, Rafeeq MM, Alam MZ, Baeissa HM, Khalid M. Dioxinodehydroeckol: A Potential Neuroprotective Marine Compound Identified by In Silico Screening for the Treatment and Management of Multiple Brain Disorders. Mol Biotechnol 2024; 66:663-686. [PMID: 36513873 DOI: 10.1007/s12033-022-00629-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 11/28/2022] [Indexed: 12/15/2022]
Abstract
Neurodegenerative disorders such as Alzheimer's disease (AD), Glioblastoma multiforme (GBM), Amyotrophic lateral sclerosis (ALS), and Parkinson's disease (PD) are some of the most prevalent neurodegenerative disorders in humans. Even after a variety of advanced therapies, prognosis of all these disorders is not favorable, with survival rates of 14-20 months only. To further improve the prognosis of these disorders, it is imperative to discover new compounds which will target effector proteins involved in these disorders. In this study, we have focused on in silico screening of marine compounds against multiple target proteins involved in AD, GBM, ALS, and PD. Fifty marine-origin compounds were selected from literature, out of which, thirty compounds passed ADMET parameters. Ligand docking was performed after ADMET analysis for AD, GBM, ALS, and PD-associated proteins in which four protein targets Keap1, Ephrin A2, JAK3 Kinase domain, and METTL3-METTL14 N6-methyladenosine methyltransferase (MTA70) were found to be binding strongly with the screened compound Dioxinodehydroeckol (DHE). Molecular dynamics simulations were performed at 100 ns with triplicate runs to validate the docking score and assess the dynamics of DHE interactions with each target protein. The results indicated Dioxinodehydroeckol, a novel marine compound, to be a putative inhibitor among all the screened molecules, which might be effective against multiple target proteins involved in neurological disorders, requiring further in vitro and in vivo validations.
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Affiliation(s)
- Faizan Ahmad
- Department of Medical Elementology and Toxicology, Jamia Hamdard University, Delhi, India.
| | - Punya Sachdeva
- Amity Institute of Neuropsychology and Neurosciences, Amity University, Noida, Uttar Pradesh, India
| | - Bhuvi Sachdeva
- Department of Physics and Astrophysics, University of Delhi, Delhi, India
| | - Gagandeep Singh
- Section of Microbiology, Central Ayurveda Research Institute, CCRAS, Ministry of AYUSH, Jhansi, India
- Kusuma School of Biological Sciences, India Institute of Technology, Delhi, India
| | - Hemant Soni
- Section of Microbiology, Central Ayurveda Research Institute, CCRAS, Ministry of AYUSH, Jhansi, India
| | - Smriti Tandon
- Section of Microbiology, Central Ayurveda Research Institute, CCRAS, Ministry of AYUSH, Jhansi, India
| | - Misbahuddin M Rafeeq
- Department of Pharmacology, Faculty of Medicine, Rabigh, King Abdulaziz University, Jeddah, 21589, Kingdom of Saudi Arabia
| | - Mohammad Zubair Alam
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hanadi M Baeissa
- Department of Biochemistry, College of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Mohammad Khalid
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj, 11942, Saudi Arabia
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4
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Cheng W, Huang Y, Gao H, Bold B, Zhang T, Yang D. Marine Natural Products as Novel Treatments for Parasitic Diseases. Handb Exp Pharmacol 2024. [PMID: 38554166 DOI: 10.1007/164_2024_712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2024]
Abstract
Parasitic diseases including malaria, leishmaniasis, and trypanosomiasis have received significant attention due to their severe health implications, especially in developing countries. Marine natural products from a vast and diverse range of marine organisms such as sponges, corals, molluscs, and algae have been found to produce unique bioactive compounds that exhibit promising potent properties, including antiparasitic, anti-Plasmodial, anti-Leishmanial, and anti-Trypanosomal activities, providing hope for the development of effective treatments. Furthermore, various techniques and methodologies have been used to investigate the mechanisms of these antiparasitic compounds. Continued efforts in the discovery and development of marine natural products hold significant promise for the future of novel treatments against parasitic diseases.
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Affiliation(s)
- Wenbing Cheng
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai, China
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Marine Sciences, Guangxi Academy of Sciences, Nanning, Guangxi, China
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Engineering Technology Research Center of Germplasm Resources Conservation and Utilization, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China
| | - Yanbing Huang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Marine Sciences, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Haijun Gao
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai, China
- Chengdu Fifth People's Hospital (Affiliated Fifth People's Hospital of Chengdu University of Traditional Chinese Medicine/The Second Clinical Medical College), Chengdu, Sichuan, China
| | - Bolor Bold
- National Center for Zoonotic Disease, Ulaanbaatar, Mongolia
| | - Ting Zhang
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai, China.
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia Engineering Technology Research Center of Germplasm Resources Conservation and Utilization, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia Autonomous Region, China.
| | - Dengfeng Yang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Marine Sciences, Guangxi Academy of Sciences, Nanning, Guangxi, China
- College of Food and Quality Engineering, Nanning University, Nanning, China
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5
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Wu T, Shi Y, Yang T, Zhao P, Yang Z, Yang B. Polymer-DNA assembled nanoflower for targeted delivery of dolastatin-derived microtubule inhibitors. RSC Adv 2024; 14:9602-9608. [PMID: 38516154 PMCID: PMC10956646 DOI: 10.1039/d3ra08146j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 03/08/2024] [Indexed: 03/23/2024] Open
Abstract
Dolastatin derivatives possess excellent anticancer activity and have been translated into clinical trials for cancer therapy. Drug delivery systems enable dolastatin derivatives to break the limitation of instability during blood circulation and ineffective cell internalization in the application. Nevertheless, their potential has not been thoroughly established because of the limited loading efficacy and complicated chemical modification. Herein, we rationally propose a rolling circle amplification-based polymer-DNA assembled nanoflower for targeted and efficient delivery of dolastatin-derived drugs to achieve efficient anticancer therapy. The polymer-DNA assembled nanoflower with targeted aptamer conjugate is widely applicable for loading dolastatin-derived drugs with high encapsulation efficiency. The developed monomethyl auristatin E (MMAE) loaded PN@M exhibited increased cellular uptake and enhanced inhibitory effect, especially in multidrug-resistant tumor cells. The results of in vivo anticancer effects indicate that nanoflower as a dolastatin derivatives delivery system holds considerable potential for the treatment of malignant cancer.
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Affiliation(s)
- Tiantian Wu
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University Guangzhou 510091 China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University Haikou 571199 China
| | - Yanqiang Shi
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University Guangzhou 510091 China
| | - Tao Yang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University Haikou 571199 China
| | - Pengxuan Zhao
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University Haikou 571199 China
| | - Zhu Yang
- Department of Neurosurgery, Neurosurgery Research Institute, The First Affiliated Hospital of Fujian Medical University Fuzhou 350005 China
- Department of Neurosurgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital of Fujian Medical University Fuzhou 350212 China
| | - Bin Yang
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University Guangzhou 510091 China
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6
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Ghadiri N, Javidan M, Sheikhi S, Taştan Ö, Parodi A, Liao Z, Tayybi Azar M, Ganjalıkhani-Hakemi M. Bioactive peptides: an alternative therapeutic approach for cancer management. Front Immunol 2024; 15:1310443. [PMID: 38327525 PMCID: PMC10847386 DOI: 10.3389/fimmu.2024.1310443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/08/2024] [Indexed: 02/09/2024] Open
Abstract
Cancer is still considered a lethal disease worldwide and the patients' quality of life is affected by major side effects of the treatments including post-surgery complications, chemo-, and radiation therapy. Recently, new therapeutic approaches were considered globally for increasing conventional cancer therapy efficacy and decreasing the adverse effects. Bioactive peptides obtained from plant and animal sources have drawn increased attention because of their potential as complementary therapy. This review presents a contemporary examination of bioactive peptides derived from natural origins with demonstrated anticancer, ant invasion, and immunomodulation properties. For example, peptides derived from common beans, chickpeas, wheat germ, and mung beans exhibited antiproliferative and toxic effects on cancer cells, favoring cell cycle arrest and apoptosis. On the other hand, peptides from marine sources showed the potential for inhibiting tumor growth and metastasis. In this review we will discuss these data highlighting the potential befits of these approaches and the need of further investigations to fully characterize their potential in clinics.
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Affiliation(s)
- Nooshin Ghadiri
- Department of Immunology, Faculty of Medicine, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran
| | - Moslem Javidan
- Department of Immunology, Faculty of Medicine, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran
| | - Shima Sheikhi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Özge Taştan
- Department of Food Engineering, Faculty of Engineering, Yeditepe University, Istanbul, Türkiye
| | - Alessandro Parodi
- Scientific Center for Translation Medicine, Sirius University of Science and Technology, Sochi, Russia
| | - Ziwei Liao
- Department of Hematology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Mehdi Tayybi Azar
- Department of Biophysics, Faculty of Medicine, Yeditepe University, Istanbul, Türkiye
| | - Mazdak Ganjalıkhani-Hakemi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Regenerative and Restorative Medicine Research Center (REMER), Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, Istanbul, Türkiye
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7
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Suleman M, Ahmad T, shah K, Albekairi NA, Alshammari A, Khan A, Wei DQ, Yassine HM, Crovella S. Exploring the natural products chemical space to abrogate the F3L-dsRNA interface of monkeypox virus to enhance the immune responses using molecular screening and free energy calculations. Front Pharmacol 2024; 14:1328308. [PMID: 38269277 PMCID: PMC10805857 DOI: 10.3389/fphar.2023.1328308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 12/19/2023] [Indexed: 01/26/2024] Open
Abstract
Amid the ongoing monkeypox outbreak, there is an urgent need for the rapid development of effective therapeutic interventions capable of countering the immune evasion mechanisms employed by the monkeypox virus (MPXV). The evasion strategy involves the binding of the F3L protein to dsRNA, resulting in diminished interferon (IFN) production. Consequently, our current research focuses on utilizing virtual drug screening techniques to target the RNA binding domain of the F3L protein. Out of the 954 compounds within the South African natural compound database, only four demonstrated notable docking scores: -6.55, -6.47, -6.37, and -6.35 kcal/mol. The dissociation constant (KD) analysis revealed a stronger binding affinity of the top hits 1-4 (-5.34, -5.32, -5.29, and -5.36 kcal/mol) with the F3L in the MPXV. All-atom simulations of the top-ranked hits 1 to 4 consistently exhibited stable dynamics, suggesting their potential to interact effectively with interface residues. This was further substantiated through analyses of parameters such as radius of gyration (Rg), Root Mean Square Fluctuation, and hydrogen bonding. Cumulative assessments of binding free energy confirmed the top-performing candidates among all the compounds, with values of -35.90, -52.74, -28.17, and -32.11 kcal/mol for top hits 1-4, respectively. These results indicate that compounds top hit 1-4 could hold significant promise for advancing innovative drug therapies, suggesting their suitability for both in vivo and in vitro experiments.
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Affiliation(s)
- Muhammad Suleman
- Laboratory of Animal Research Center (LARC), Qatar University, Doha, Qatar
- Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan
| | - Tanveer Ahmad
- Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan
| | - Khadim shah
- Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan
| | - Norah A. Albekairi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Abdulrahman Alshammari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Abbas Khan
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
- School of Medical and Life Sciences, Sunway University, Sunway City, Malaysia
| | - Dong-Qing Wei
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Hadi M. Yassine
- Biomedical Research Center, Qatar University, Doha, Qatar
- College of Health Sciences-QU Health, Qatar University, Doha, Qatar
| | - Sergio Crovella
- Laboratory of Animal Research Center (LARC), Qatar University, Doha, Qatar
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Khandelwal S, Devi NR, Subramaniyan M, Pappu S. Physicochemical characterization and therapeutic potential of ink from squid, Sepioteuthis lessoniana. 3 Biotech 2023; 13:418. [PMID: 38031590 PMCID: PMC10682348 DOI: 10.1007/s13205-023-03830-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 10/20/2023] [Indexed: 12/01/2023] Open
Abstract
In the current study, the squid, Sepioteuthis lessoniana ink was used as a raw material. It summarizes physicochemical, elemental, and spectral properties (UV/Visible spectroscopy and FT-IR) of crude ink, whereas the biochemical analysis was performed with crude ink (CI) as well as melanin-free ink (MFI). The percentage yield was analyzed using various solvent extracts of CI and MFI. GC-MS was performed for the chemical constituents of the methanolic extract of ink. Furthermore, the methanolic extract was subjected to various biological applications. The physicochemical analysis defines the presence of moisture, ash, extractive value, solubility, and thermal stability of CI. The biochemical analysis reveals protein, lipid, and carbohydrate of 2.5, 2.2, and 2.37 mg/ml for CI and 2.8, 3.7, and 4.51 mg/ml for MFI respectively. The extract showed the highest zone of inhibition at 100 μg/ml. The antioxidant activity reveals the highest percentage of radical-scavenging activity in nitric oxide (NO) (89%), and total antioxidant capacity (TAC) assay showed the highest inhibition activity of 0.41 nm at 100 µg/ml. The cytotoxic ability of methanolic extract against MDA-MB-231 breast cancer cell line revealed an IC50 value of 10.13 μg/ml. Toxicity assay showed increased mortality of Artemia nauplii at higher concentrations (1000 ppm/40%) of extract. These findings indicate that S. lessoniana ink is a novel prospective product that needs to be characterized in order to increase its pharmacological activity. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03830-6.
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Affiliation(s)
- Sital Khandelwal
- Department of Animal Health and Management, Science Campus, Alagappa University, Karaikudi, 630 003 Tamilnadu India
| | - Naorem Rojita Devi
- Department of Animal Health and Management, Science Campus, Alagappa University, Karaikudi, 630 003 Tamilnadu India
| | - Muthumari Subramaniyan
- Department of Animal Health and Management, Science Campus, Alagappa University, Karaikudi, 630 003 Tamilnadu India
| | - Srinivasan Pappu
- Department of Animal Health and Management, Science Campus, Alagappa University, Karaikudi, 630 003 Tamilnadu India
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Islam F, Dehbia Z, Zehravi M, Das R, Sivakumar M, Krishnan K, Billah AAM, Bose B, Ghosh A, Paul S, Nainu F, Ahmad I, Emran TB. Indole alkaloids from marine resources: Understandings from therapeutic point of view to treat cancers. Chem Biol Interact 2023; 383:110682. [PMID: 37648047 DOI: 10.1016/j.cbi.2023.110682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/12/2023] [Accepted: 08/26/2023] [Indexed: 09/01/2023]
Abstract
Cancer is the leading cause of mortality all over the world. Scientific investigation has demonstrated that disruptions in the process of autophagy are frequently interrelated with the emergence of cancer. Hence, scientists are seeking permanent solutions to counter the deadly disease. Indole alkaloids have been extensively studied and are acknowledged to exhibit several bioactivities. The current state of disease necessitates novel pharmacophores development. In recent decades, indole alkaloids have become increasingly significant in cancer treatment and are also used as adjuvants. A substantial amount of pharmacologically active molecules come from indole alkaloids, which are widely distributed in nature. Indole alkaloids derived from marine organisms show immense potential for therapeutic applications and seem highly effective in cancer treatment. A couple of experiments have been conducted preclinically to investigate the possibility of indole alkaloids in cancer treatment. Marine-derived indole alkaloids possess the ability to exhibit anticancer properties through diverse antiproliferative mechanisms. Certain indole alkaloids, including vincristine and vinblastine, were verified in clinical trials or are presently undergoing clinical assessments for preventing and treating cancer. Indole alkaloids from marine resources hold a significant functionality in identifying new antitumor agents. The current literature highlights recent advancements in indole alkaloids that appear to be anticancer agents and the underlying mechanisms.
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Affiliation(s)
- Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Zerrouki Dehbia
- Laboratory of Agro - Biotechnology and Nutrition in Semi-Arid Zones, Faculty of Nature and Life Sciences, University of Ibn Khaldoun, Tiaret, Algeria
| | - Mehrukh Zehravi
- Department of Clinical Pharmacy Girls Section, Prince Sattam Bin Abdul Aziz University, Al-Kharj, 11942, Saudi Arabia
| | - Rajib Das
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh
| | - M Sivakumar
- Department of Pharmacognosy, Faculty of Pharmacy, Sree Balaji Medical College and Hospital BIHER (DU), Chromepet, Chennai, 600044, India
| | - Karthickeyan Krishnan
- Department of Pharmacy Practice, School of Pharmaceutical Sciences, Vels Institute of Science, Technology and Advanced Studies (VISTAS), Pallavaram, Chennai, 600117, India
| | - Abdul Ajeed Mohathasim Billah
- Department of Pharmacy Practice, Sri Ramachandra Faculty of Pharmacy, SRIHER (DU), Porur, Chennai, Tamil Nadu, India
| | - Bharadhan Bose
- Department of Pharmacognosy, Karpagam College of Pharmacy, Coimbatore, Tamil Nadu, India
| | - Avoy Ghosh
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Shyamjit Paul
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Firzan Nainu
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, Indonesia
| | - Irfan Ahmad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Talha Bin Emran
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh; Department of Pathology and Laboratory Medicine, Warren Alpert Medical School & Legorreta Cancer Center, Brown University, Providence, RI, 02912, USA.
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10
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Fahmy NM, El-Din MIG, Salem MM, Rashedy SH, Lee GS, Jang YS, Kim KH, Kim CS, El-Shazly M, Fayez S. Enhanced Expression of p53 and Suppression of PI3K/Akt/mTOR by Three Red Sea Algal Extracts: Insights on Their Composition by LC-MS-Based Metabolic Profiling and Molecular Networking. Mar Drugs 2023; 21:404. [PMID: 37504935 PMCID: PMC10381385 DOI: 10.3390/md21070404] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/08/2023] [Accepted: 07/15/2023] [Indexed: 07/29/2023] Open
Abstract
Brown algae comprise up to 2000 species with wide dissemination in temperate zones. A comprehensive untargeted metabolic profiling guided by molecular networking of three uninvestigated Red-Sea-derived brown algae, namely Sirophysalis trinodis, Polycladia myrica, and Turbinaria triquetra, led to the identification of over 115 metabolites categorized as glycerolipids, fatty acids, sterol lipids, sphingolipids, and phospholipids. The three algae exhibited low-to-moderate antioxidant capacity using DPPH and ABTS assays. Preliminary in vitro antiproliferative studies showed that the algal extracts displayed high cytotoxic activity against a panel of cancer cell lines. The most potent activity was recorded against MCF-7 with IC50 values of 51.37 ± 1.19, 63.44 ± 1.13, and 59.70 ± 1.22 µg/mL for S. trinodis, P. myrica, and T. triquetra, respectively. The cytotoxicity of the algae was selective to MCF-7 without showing notable effects on the proliferation of normal human WISH cells. Morphological studies revealed that the algae caused cell shrinkage, increased cellular debris, triggered detachment, cell rounding, and cytoplasmic condensation in MCF-7 cancer cells. Mechanistic investigations using flow cytometry, qPCR, and Western blot showed that the algae induced apoptosis, initiated cell cycle arrest in the sub-G0/G1 phase, and inhibited the proliferation of cancer cells via increasing mRNA and protein expression of p53, while reducing the expression of PI3K, Akt, and mTOR.
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Affiliation(s)
- Nouran M Fahmy
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo 11566, Egypt
| | - Mariam I Gamal El-Din
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo 11566, Egypt
| | - Maha M Salem
- Biochemistry Division, Chemistry Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Sarah H Rashedy
- National Institute of Oceanography and Fisheries (NIOF), Cairo 11516, Egypt
| | - Gyu Sung Lee
- Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Yoon Seo Jang
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ki Hyun Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Chung Sub Kim
- Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon 16419, Republic of Korea
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Mohamed El-Shazly
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo 11566, Egypt
| | - Shaimaa Fayez
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo 11566, Egypt
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11
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Wang C, Wang S, Li H, Hou Y, Cao H, Hua H, Li D. Marine-Derived Lead Fascaplysin: Pharmacological Activity, Total Synthesis, and Structural Modification. Mar Drugs 2023; 21:md21040226. [PMID: 37103365 PMCID: PMC10142289 DOI: 10.3390/md21040226] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/26/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023] Open
Abstract
Fascaplysin is a planar structure pentacyclic alkaloid isolated from sponges, which can effectively induce the apoptosis of cancer cells. In addition, fascaplysin has diverse biological activities, such as antibacterial, anti-tumor, anti-plasmodium, etc. Unfortunately, the planar structure of fascaplysin can be inserted into DNA and such interaction also limits the further application of fascaplysin, necessitating its structural modification. In this review, the biological activity, total synthesis and structural modification of fascaplysin will be summarized, which will provide useful information for pharmaceutical researchers interested in the exploration of marine alkaloids and for the betterment of fascaplysin in particular.
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12
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Akram W, Rihan M, Ahmed S, Arora S, Ahmad S, Vashishth R. Marine-Derived Compounds Applied in Cardiovascular Diseases: Submerged Medicinal Industry. Mar Drugs 2023; 21:md21030193. [PMID: 36976242 PMCID: PMC10052127 DOI: 10.3390/md21030193] [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: 12/28/2022] [Revised: 02/20/2023] [Accepted: 02/20/2023] [Indexed: 03/29/2023] Open
Abstract
Cardiovascular diseases (CVDs) are among the most impactful illnesses globally. Currently, the available therapeutic option has several side effects, including hypotension, bradycardia, arrhythmia, and alteration in different ion concentrations. Recently, bioactive compounds from natural sources, including plants, microorganisms, and marine creatures, have gained a lot of interest. Marine sources serve as reservoirs for new bioactive metabolites with various pharmacological activities. The marine-derived compound such as omega-3 acid ethyl esters, xyloketal B, asperlin, and saringosterol showed promising results in several CVDs. The present review focuses on marine-derived compounds' cardioprotective potential for hypertension, ischemic heart disease, myocardial infarction, and atherosclerosis. In addition to therapeutic alternatives, the current use of marine-derived components, the future trajectory, and restrictions are also reviewed.
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Affiliation(s)
- Wasim Akram
- Department of Pharmacology, SPER, Jamia Hamdard, New Delhi 110062, India
| | - Mohd Rihan
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Mohali 160062, India
| | - Sakeel Ahmed
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Mohali 160062, India
| | - Swamita Arora
- Department of Pharmacology, R. V. Northland Institute of Pharmacy, Dadri 203207, India
| | - Sameer Ahmad
- Department of Food Technology Jamia Hamdard, New Delhi 110062, India
| | - Rahul Vashishth
- School of BioSciences and Technology-Food Technology, Vellore Institute of Technology, Vellore 632014, India
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13
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Rahman MM, Islam MR, Akash S, Mim SA, Rahaman MS, Emran TB, Akkol EK, Sharma R, Alhumaydhi FA, Sweilam SH, Hossain ME, Ray TK, Sultana S, Ahmed M, Sobarzo-Sánchez E, Wilairatana P. In silico investigation and potential therapeutic approaches of natural products for COVID-19: Computer-aided drug design perspective. Front Cell Infect Microbiol 2022; 12:929430. [PMID: 36072227 PMCID: PMC9441699 DOI: 10.3389/fcimb.2022.929430] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/03/2022] [Indexed: 12/07/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a substantial number of deaths around the world, making it a serious and pressing public health hazard. Phytochemicals could thus provide a rich source of potent and safer anti-SARS-CoV-2 drugs. The absence of approved treatments or vaccinations continues to be an issue, forcing the creation of new medicines. Computer-aided drug design has helped to speed up the drug research and development process by decreasing costs and time. Natural compounds like terpenoids, alkaloids, polyphenols, and flavonoid derivatives have a perfect impact against viral replication and facilitate future studies in novel drug discovery. This would be more effective if collaboration took place between governments, researchers, clinicians, and traditional medicine practitioners’ safe and effective therapeutic research. Through a computational approach, this study aims to contribute to the development of effective treatment methods by examining the mechanisms relating to the binding and subsequent inhibition of SARS-CoV-2 ribonucleic acid (RNA)-dependent RNA polymerase (RdRp). The in silico method has also been employed to determine the most effective drug among the mentioned compound and their aquatic, nonaquatic, and pharmacokinetics’ data have been analyzed. The highest binding energy has been reported -11.4 kcal/mol against SARS-CoV-2 main protease (7MBG) in L05. Besides, all the ligands are non-carcinogenic, excluding L04, and have good water solubility and no AMES toxicity. The discovery of preclinical drug candidate molecules and the structural elucidation of pharmacological therapeutic targets have expedited both structure-based and ligand-based drug design. This review article will assist physicians and researchers in realizing the enormous potential of computer-aided drug design in the design and discovery of therapeutic molecules, and hence in the treatment of deadly diseases.
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Affiliation(s)
- Md. Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Md. Rezaul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Shopnil Akash
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Sadia Afsana Mim
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Md. Saidur Rahaman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Talha Bin Emran
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, Bangladesh
- *Correspondence: Eduardo Sobarzo-Sánchez, ; Talha Bin Emran, ; Polrat Wilairatana,
| | - Esra Küpeli Akkol
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Rohit Sharma
- Department of Rasashastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Fahad A. Alhumaydhi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Sherouk Hussein Sweilam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Egyptian Russian University, Badr City, Egypt
| | - Md. Emon Hossain
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Tanmay Kumar Ray
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Sharifa Sultana
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Muniruddin Ahmed
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Eduardo Sobarzo-Sánchez
- Instituto de Investigación y Postgrado, Facultad de Ciencias de la Salud, Universidad Central de Chile, Santiago, Chile
- Department of Organic Chemistry, Faculty of Pharmacy, University of Santiago de Compostela, Santiago de Compostela, Spain
- *Correspondence: Eduardo Sobarzo-Sánchez, ; Talha Bin Emran, ; Polrat Wilairatana,
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- *Correspondence: Eduardo Sobarzo-Sánchez, ; Talha Bin Emran, ; Polrat Wilairatana,
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14
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Role of natural products towards the SARS-CoV-2: A critical review. Ann Med Surg (Lond) 2022; 80:104062. [PMID: 35814035 PMCID: PMC9249430 DOI: 10.1016/j.amsu.2022.104062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/11/2022] [Accepted: 06/22/2022] [Indexed: 11/23/2022] Open
Abstract
Despite the fact that various therapeutic compounds are being investigated, there is still a scarcity of effective and reliable therapeutic regimens to treat COVID-19. Ever since the COVID-19 pandemic, a diversity of traditional herbal treatments has been investigated to cure infected people, either alone or in conjunction with mainstream pharmaceuticals, with encouraging outcomes. In this article, we look at the latest research on the usage of natural products to alleviate the severity of COVID-19. To determine the activity of the natural products, act against SARS-CoV-2 to various targets like Mpro, ACE-II, papain-like, chymotrypsin-like proteases, and some antiviral targets. The processes underlying this preventative or therapeutic action are also examined. We used PubMed, Scopus, Google Scholar, and the WHO site to perform our review. The anti-SARS-CoV-2 impacts of various herbal extracts and purified compounds may be mediated via direct prevention of viral replication or entrance. Interestingly, certain items might avert SARS-CoV-2 from infecting human cells by blocking the ACE-2 protein or the serine protease TMPRRS2. Natural products have also been stated to suppress proteins intricate in the virus life cycle, like papain-like and chymotrypsin-like proteases. To conclude, natural products can be used alone or in combination as remedies or treatments for COVID-19. In addition, their compositions may provide insight into the development of effective and reliable antiviral drugs. The COVID-19 pandemic caused by a novel coronavirus SARS-CoV-2, resulted in thousands of deaths across the world. Globally, numerous studies and researchers have recently started fighting this virus. In this article, we look at the latest research on the usage of natural products to alleviate the severity of COVID-19. The anti-SARS-CoV-2 impacts of various herbal extracts and purified compounds may be mediated via direct prevention of viral replication or entrance.
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15
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Siro G, Pipite A, Christi K, Srinivasan S, Subramani R. Marine Actinomycetes Associated with Stony Corals: A Potential Hotspot for Specialized Metabolites. Microorganisms 2022; 10:microorganisms10071349. [PMID: 35889068 PMCID: PMC9319285 DOI: 10.3390/microorganisms10071349] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 06/29/2022] [Accepted: 07/02/2022] [Indexed: 02/05/2023] Open
Abstract
Microbial secondary metabolites are an important source of antibiotics currently available for combating drug-resistant pathogens. These important secondary metabolites are produced by various microorganisms, including Actinobacteria. Actinobacteria have a colossal genome with a wide array of genes that code for several bioactive metabolites and enzymes. Numerous studies have reported the isolation and screening of millions of strains of actinomycetes from various habitats for specialized metabolites worldwide. Looking at the extent of the importance of actinomycetes in various fields, corals are highlighted as a potential hotspot for untapped secondary metabolites and new bioactive metabolites. Unfortunately, knowledge about the diversity, distribution and biochemistry of marine actinomycetes compared to hard corals is limited. In this review, we aim to summarize the recent knowledge on the isolation, diversity, distribution and discovery of natural compounds from marine actinomycetes associated with hard corals. A total of 11 new species of actinomycetes, representing nine different families of actinomycetes, were recovered from hard corals during the period from 2007 to 2022. In addition, this study examined a total of 13 new compounds produced by five genera of actinomycetes reported from 2017 to 2022 with antibacterial, antifungal and cytotoxic activities. Coral-derived actinomycetes have different mechanisms of action against their competitors.
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Affiliation(s)
- Galana Siro
- School of Agriculture, Geography, Environment, Ocean and Natural Sciences (SAGEONS), The University of the South Pacific, Laucala Campus, Suva, Fiji; (G.S.); (K.C.); (R.S.)
| | - Atanas Pipite
- School of Agriculture, Geography, Environment, Ocean and Natural Sciences (SAGEONS), The University of the South Pacific, Laucala Campus, Suva, Fiji; (G.S.); (K.C.); (R.S.)
- Correspondence: (A.P.); or (S.S.)
| | - Ketan Christi
- School of Agriculture, Geography, Environment, Ocean and Natural Sciences (SAGEONS), The University of the South Pacific, Laucala Campus, Suva, Fiji; (G.S.); (K.C.); (R.S.)
| | - Sathiyaraj Srinivasan
- Department of Bio & Environmental Technology, Division of Environmental & Life Science, College of Natural Science, Seoul Women’s University, 623 Hwarangno, Nowon-gu, Seoul 01797, Korea
- Correspondence: (A.P.); or (S.S.)
| | - Ramesh Subramani
- School of Agriculture, Geography, Environment, Ocean and Natural Sciences (SAGEONS), The University of the South Pacific, Laucala Campus, Suva, Fiji; (G.S.); (K.C.); (R.S.)
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16
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Rahman MM, Islam MR, Shohag S, Hossain ME, Shah M, Shuvo SK, Khan H, Chowdhury MAR, Bulbul IJ, Hossain MS, Sultana S, Ahmed M, Akhtar MF, Saleem A, Rahman MH. Multifaceted role of natural sources for COVID-19 pandemic as marine drugs. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:46527-46550. [PMID: 35507224 PMCID: PMC9065247 DOI: 10.1007/s11356-022-20328-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/14/2022] [Indexed: 05/05/2023]
Abstract
COVID-19, which is caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has quickly spread over the world, posing a global health concern. The ongoing epidemic has necessitated the development of novel drugs and potential therapies for patients infected with SARS-CoV-2. Advances in vaccination and medication development, no preventative vaccinations, or viable therapeutics against SARS-CoV-2 infection have been developed to date. As a result, additional research is needed in order to find a long-term solution to this devastating condition. Clinical studies are being conducted to determine the efficacy of bioactive compounds retrieved or synthesized from marine species starting material. The present study focuses on the anti-SARS-CoV-2 potential of marine-derived phytochemicals, which has been investigated utilizing in in silico, in vitro, and in vivo models to determine their effectiveness. Marine-derived biologically active substances, such as flavonoids, tannins, alkaloids, terpenoids, peptides, lectins, polysaccharides, and lipids, can affect SARS-CoV-2 during the viral particle's penetration and entry into the cell, replication of the viral nucleic acid, and virion release from the cell; they can also act on the host's cellular targets. COVID-19 has been proven to be resistant to several contaminants produced from marine resources. This paper gives an overview and summary of the various marine resources as marine drugs and their potential for treating SARS-CoV-2. We discussed at numerous natural compounds as marine drugs generated from natural sources for treating COVID-19 and controlling the current pandemic scenario.
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Affiliation(s)
- Md Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Md Rezaul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Sheikh Shohag
- Department of Biochemistry and Molecular Biology, Faculty of Life Science, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj-8100, Gopalganj, Bangladesh
| | - Md Emon Hossain
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Muddaser Shah
- Department of Botany, Abdul Wali Khan University Mardan, Mardan, 23200, Pakistan
| | - Shakil Khan Shuvo
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Hosneara Khan
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | | | - Israt Jahan Bulbul
- Department of Pharmacy, Southeast University, Banani, Dhaka, 1213, Bangladesh
| | - Md Sarowar Hossain
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Sharifa Sultana
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Muniruddin Ahmed
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University Lahore Campus, Lahore, Pakistan
| | - Ammara Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Md Habibur Rahman
- Department of Pharmacy, Southeast University, Banani, Dhaka, 1213, Bangladesh.
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, 26426, Korea.
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17
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Marine Cyclic Peptides: Antimicrobial Activity and Synthetic Strategies. Mar Drugs 2022; 20:md20060397. [PMID: 35736200 PMCID: PMC9230156 DOI: 10.3390/md20060397] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/06/2022] [Accepted: 06/13/2022] [Indexed: 01/29/2023] Open
Abstract
Oceans are a rich source of structurally unique bioactive compounds from the perspective of potential therapeutic agents. Marine peptides are a particularly interesting group of secondary metabolites because of their chemistry and wide range of biological activities. Among them, cyclic peptides exhibit a broad spectrum of antimicrobial activities, including against bacteria, protozoa, fungi, and viruses. Moreover, there are several examples of marine cyclic peptides revealing interesting antimicrobial activities against numerous drug-resistant bacteria and fungi, making these compounds a very promising resource in the search for novel antimicrobial agents to revert multidrug-resistance. This review summarizes 174 marine cyclic peptides with antibacterial, antifungal, antiparasitic, or antiviral properties. These natural products were categorized according to their sources—sponges, mollusks, crustaceans, crabs, marine bacteria, and fungi—and chemical structure—cyclic peptides and depsipeptides. The antimicrobial activities, including against drug-resistant microorganisms, unusual structural characteristics, and hits more advanced in (pre)clinical studies, are highlighted. Nocathiacins I–III (91–93), unnarmicins A (114) and C (115), sclerotides A (160) and B (161), and plitidepsin (174) can be highlighted considering not only their high antimicrobial potency in vitro, but also for their promising in vivo results. Marine cyclic peptides are also interesting models for molecular modifications and/or total synthesis to obtain more potent compounds, with improved properties and in higher quantity. Solid-phase Fmoc- and Boc-protection chemistry is the major synthetic strategy to obtain marine cyclic peptides with antimicrobial properties, and key examples are presented guiding microbiologist and medicinal chemists to the discovery of new antimicrobial drug candidates from marine sources.
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18
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Sedeek AM, Ismail MM, Elsayed TR, Ramadan MA. Recent methods for discovering novel bioactive metabolites, specifically antimicrobial agents, from marine-associated microorganisms. Lett Appl Microbiol 2022; 75:511-525. [PMID: 35485872 DOI: 10.1111/lam.13728] [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: 12/30/2021] [Revised: 03/08/2022] [Accepted: 04/19/2022] [Indexed: 12/01/2022]
Abstract
Marine microorganisms are a promising source for novel natural compounds with many medical and biotechnological applications. Here we demonstrate limitations and recent strategies for investigating the marine microbial community for novel bioactive metabolites, specifically those of antimicrobial potential. These strategies include culture-dependent methods such as modifying the standard culture media, including changing the gelling agent, dissolving vehicle, media supplementation, and preparation to access a broader range of bacterial diversity from marine samples. Furthermore, we discuss strategies like in situ cultivation, dilution-to-extinction cultivation, and long-term incubation. We are presenting recent applications of culture-independent methods such as genome mining, proteomics profiling, and the application of metagenomics as a novel strategy for structure confirmation in the discovery of the marine microorganism for novel antimicrobial metabolites. We present this review as a simple guide and a helpful resource for those who seek to enter the challenging field of applied marine microbiology.
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Affiliation(s)
- Abdelrahman M Sedeek
- Department of Microbiology and Immunology, Faculty of Pharmacy, Sinai University, Ismaillia, 41522, Egypt
| | - Maha M Ismail
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
| | - Tarek R Elsayed
- Department of Agricultural Microbiology, Faculty of Agriculture, Cairo University, Egypt, Giza, 12613, Egypt
| | - Mohamed A Ramadan
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
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19
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Wang X, Qiu H, Yang N, Xie H, Liang W, Lin J, Zhu H, Zhou Y, Wang N, Tan X, Zhou J, Cui W, Teng D, Wang J, Liang H. Fascaplysin derivatives binding to DNA via unique cationic five-ring coplanar backbone showed potent antimicrobial/antibiofilm activity against MRSA in vitro and in vivo. Eur J Med Chem 2022; 230:114099. [PMID: 35007859 DOI: 10.1016/j.ejmech.2021.114099] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 12/18/2021] [Accepted: 12/30/2021] [Indexed: 12/11/2022]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is considered as one of the most dangerous clinical pathogens. Biofilms forming ability of MRSA is also a major cause of drug resistance. Hence, it is in urgent need to develop novel antibacterial/antibiofilm drugs. Fascaplysin with a unique cationic five-ring coplanar backbone is emerging as a potential antibacterial compound. In this study, aiming at developing novel and more effective agents, a series of fascaplysin derivatives and their corresponding β-carboline precursors have been synthesized. Then their antibacterial/antibiofilm activity and mechanisms against MRSA were investigated for the first time. The results showed that most fascaplysins rather than β-carboline precursors exhibit superior antimicrobial activity against MRSA ATCC43300, demonstrating the important role of cationic five-ring coplanar backbone playing in antibacterial activity. Among them, 14 and 18 are the most potent compounds with MIC value of 0.098 μg/ml (10-fold lower than vancomycin), and 18 featuring the lowest toxicity. Subsequent mechanisms exploration indicates that 18 has relatively stronger ability to destroy bacterial cell wall and membrane, higher binding affinity to bacterial genomic DNA. Molecular docking study revealed that besides the key role of cationic five-ring coplanar backbone, introduction of N-aryl amide at 9-position of fascaplysin promoted the combination of compound 18 and DNA via additional π-π stacking and hydrogen bonding of the naphthyl group. Moreover, fascaplysins could inhibit MRSA biofilm formation in vitro and bacterial infection in vivo. All these results illustrate that fascaplysin derivative 18 is a strong and safe multi-target antibacterial agent, which makes it an attractive candidate for the treatment of MRSA and its biofilm infections.
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Affiliation(s)
- Xiao Wang
- Immunology Innovation Team, School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Hongda Qiu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Na Yang
- Gene Engineering Laboratory, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Haoji Xie
- Immunology Innovation Team, School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Weida Liang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Jiayu Lin
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Haifeng Zhu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Yuan Zhou
- School of Medical Technology, Xuzhou Medical University, Xuzhou, 221004, China
| | - Ning Wang
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, 315211, Zhejiang, China
| | - Xinyi Tan
- Immunology Innovation Team, School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Jiale Zhou
- Immunology Innovation Team, School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Wei Cui
- Immunology Innovation Team, School of Medicine, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Da Teng
- Gene Engineering Laboratory, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Jianhua Wang
- Gene Engineering Laboratory, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Hongze Liang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China.
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BARRETO ANNAL, ALONSO ARIADNEN, MORAES DANIELCDE, CURVELO JOSÉA, MIRANDA KILDARE, PORTELA MARISTELAB, FERREIRA-PEREIRA ANTÔNIO, SOUTO-PADRÓN THAIS, SOARES ROSANGELAMARIADEA. Anti-Leishmania amazonensis activity of the marine sponge Dercitus (Stoeba) latex (Porifera) from São Pedro and São Paulo Archipelago, Pernambuco, Brazil. AN ACAD BRAS CIENC 2022; 94:e20211090. [DOI: 10.1590/0001-3765202220211090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/19/2021] [Indexed: 11/21/2022] Open
Affiliation(s)
- ANNA L.S. BARRETO
- Universidade Federal do Rio de Janeiro, Brazil; Instituto Brasileiro de Medicina de Reabilitação (IBMR), Brazil
| | - ARIADNE N. ALONSO
- Universidade Federal do Rio de Janeiro, Brazil; Laboratório Richet Medicina Diagnóstica, Brazil
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21
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Ossai J, Khatabi B, Nybo SE, Kharel MK. Renewed interests in the discovery of bioactive actinomycete metabolites driven by emerging technologies. J Appl Microbiol 2022; 132:59-77. [PMID: 34265147 PMCID: PMC8714619 DOI: 10.1111/jam.15225] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 06/25/2021] [Accepted: 07/12/2021] [Indexed: 01/03/2023]
Abstract
Actinomycetes are prolific sources of bioactive molecules. Traditional workflows including bacterial isolation, fermentation, metabolite identification and structure elucidation have resulted in high rates of natural product rediscovery in recent years. Recent advancements in multi-omics techniques have uncovered cryptic gene clusters within the genomes of actinomycetes, potentially introducing vast resources for the investigation of bioactive molecules. While developments in culture techniques have allowed for the fermentation of difficult-to-culture actinomycetes, high-throughput metabolite screening has offered plenary tools to accelerate hits discovery. A variety of new bioactive molecules have been isolated from actinomycetes of unique environmental origins, such as endophytic and symbiotic actinomycetes. Synthetic biology and genome mining have also emerged as new frontiers for the discovery of bioactive molecules. This review covers the highlights of recent developments in actinomycete-derived natural product drug discovery.
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Affiliation(s)
- Jenifer Ossai
- University of Maryland Eastern Shore, School of Agriculture and Natural Sciences, One Backbone Road, Princess Anne, MD 21853, USA
| | - Behnam Khatabi
- University of Maryland Eastern Shore, School of Agriculture and Natural Sciences, One Backbone Road, Princess Anne, MD 21853, USA
| | - S. Eric Nybo
- Ferris State University, College of Pharmacy, Big Rapids, Michigan, USA
| | - Madan K. Kharel
- University of Maryland Eastern Shore, School of Pharmacy and Health Professions, Department of Pharmaceutical Sciences, One Backbone Road, Princess Anne, MD 21853, USA,Corresponding author:
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22
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Shefer S, Robin A, Chemodanov A, Lebendiker M, Bostwick R, Rasmussen L, Lishner M, Gozin M, Golberg A. Fighting SARS-CoV-2 with green seaweed Ulva sp. extract: extraction protocol predetermines crude ulvan extract anti-SARS-CoV-2 inhibition properties in in vitro Vero-E6 cells assay. PeerJ 2021; 9:e12398. [PMID: 34820178 PMCID: PMC8601053 DOI: 10.7717/peerj.12398] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 10/06/2021] [Indexed: 12/20/2022] Open
Abstract
Due to the global COVID-19 pandemic, there is a need to screen for novel compounds with antiviral activity against SARS-COV-2. Here we compared chemical composition and the in vitro anti- SARS-COV-2 activity of two different Ulva sp. crude ulvan extracts: one obtained by an HCl-based and another one by ammonium oxalate-based (AOx) extraction protocols. The composition of the crude extracts was analyzed and their antiviral activity was assessed in a cytopathic effect reduction assay using Vero E6 cells. We show that the extraction protocols have a significant impact on the chemical composition, anti- SARS-COV-2 activity, and cytotoxicity of these ulvan extracts. The ulvan extract based on the AOx protocol had a higher average molecular weight, higher charge, and 11.3-fold higher antiviral activity than HCl-based extract. Our results strongly suggest that further bioassay-guided investigation into bioactivity of compounds found in Ulva sp. ulvan extracts could lead to the discovery of novel anti-SARS-CoV-2 antivirals.
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Affiliation(s)
- Shai Shefer
- Port School of Environment and Earth Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Arthur Robin
- Port School of Environment and Earth Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Alexander Chemodanov
- Port School of Environment and Earth Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Mario Lebendiker
- Silberman Institute of Life Science, Hebrew University of Jerusalem, Jeruslem, Israel
| | | | - Lynn Rasmussen
- Sothern Research, Birmingham, AL, United States of America
| | | | - Michael Gozin
- School of Chemisty, Tel Aviv University, Tel Aviv, Israel
| | - Alexander Golberg
- Port School of Environment and Earth Sciences, Tel Aviv University, Tel Aviv, Israel
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23
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Sapra R, Rajora AK, Kumar P, Maurya GP, Pant N, Haridas V. Chemical Biology of Sortase A Inhibition: A Gateway to Anti-infective Therapeutic Agents. J Med Chem 2021; 64:13097-13130. [PMID: 34516107 DOI: 10.1021/acs.jmedchem.1c00386] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Staphylococcus aureus is the leading cause of hospital-acquired infections. The enzyme sortase A, present on the cell surface of S. aureus, plays a key role in bacterial virulence without affecting the bacterial viability. Inhibition of sortase A activity offers a powerful but clinically less explored therapeutic strategy, as it offers the possibility of not inducing any selective pressure on the bacteria to evolve drug-resistant strains. In this Perspective, we offer a chemical space narrative for the design of sortase A inhibitors, as delineated into three broad domains: peptidomimetics, natural products, and synthetic small molecules. This provides immense opportunities for medicinal chemists to alleviate the ever-growing crisis of antibiotic resistance.
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Affiliation(s)
- Rachit Sapra
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi-110016, India
| | - Amit K Rajora
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi-110016, India
| | - Pushpendra Kumar
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi-110016, India
| | - Govind P Maurya
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi-110016, India
| | - Nalin Pant
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi-110016, India
| | - V Haridas
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi-110016, India
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24
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El-Demerdash A, Al-Karmalawy AA, Abdel-Aziz TM, Elhady SS, Darwish KM, Hassan AHE. Investigating the structure-activity relationship of marine natural polyketides as promising SARS-CoV-2 main protease inhibitors. RSC Adv 2021; 11:31339-31363. [PMID: 35496831 PMCID: PMC9041294 DOI: 10.1039/d1ra05817g] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 09/16/2021] [Indexed: 02/05/2023] Open
Abstract
Since its first report in December 2019, the novel coronavirus virus, SARS-CoV-2, has caused an unprecedented global health crisis and economic loss imposing a tremendous burden on the worldwide finance, healthcare system, and even daily life. Even with the introduction of different preventive vaccines, there is still a dire need for effective antiviral therapeutics. Nature has been considered as the historical trove of drug discovery and development, particularly in cases of worldwide crises. Herein, a comprehensive in silico investigation of a highly focused chemical library of 34 pederin-structurally related marine compounds, belonging to four polyketides families, was initiated against the SARS-CoV-2 main protease, Mpro, being the key replicating element of the virus and main target in many drugs development programs. Two of the most potent SARS-CoV-2 Mpro co-crystallized inhibitors, O6K and N3, were added to the tested database as reference standards. Through molecular docking simulation, promising compounds including Pederin (1), Dihydro-onnamide A (11), Onnamide C (14), Pseudo-onnamide A (17), and Theopederin G (29) have been identified from different families based on their superior ligand–protein energies and relevant binding profiles with the key Mpro pocket residues. Thermodynamic behaviors of the identified compounds were investigated through 200 ns all-atom molecular dynamics simulation illustrating their significant stability and pocket accommodation. Furthermore, structural activity preferentiality was identified for the pederin-based marine compounds highlighting the importance of the terminal guanidine and cyclic hemiacetal linker, and the length of the sidechain. Our findings highlight the challenges of targeting SARS-CoV-2 Mpro as well as recommending further in vitro and in vivo studies regarding the examined marine products either alone or in combination paving the way for promising lead molecules. Marine natural polyketides showed promising SARS-CoV-2 main protease inhibitory activities.![]()
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Affiliation(s)
- Amr El-Demerdash
- Chemistry Department, Organic Chemistry Division, Faculty of Science, Mansoura University Mansoura 35516 Egypt .,Metabolic Biology & Biological Chemistry Department, John Innes Centre Norwich Research Park Norwich NR4 7UH UK
| | - Ahmed A Al-Karmalawy
- Department of Pharmaceutical Medicinal Chemistry, Faculty of Pharmacy, Horus University-Egypt New Damietta 34518 Egypt
| | - Tarek Mohamed Abdel-Aziz
- Department of Cellular and Integrative Physiology, University of Texas Health Science Centre at San Antonio San Antonio Texas 78229-3900 USA.,Zoology Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Sameh S Elhady
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University Jeddah Saudi Arabia
| | - Khaled M Darwish
- Department of Medicinal Chemistry, Faculty of Pharmacy, Suez Canal University Ismailia Egypt
| | - Ahmed H E Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University Mansoura 35516 Egypt
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25
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Banoub NG, Saleh SE, Helal HS, Aboshanab KM. Antibiotics Combinations and Chitosan Nanoparticles for Combating Multidrug Resistance Acinetobacter baumannii. Infect Drug Resist 2021; 14:3327-3339. [PMID: 34447258 PMCID: PMC8384262 DOI: 10.2147/idr.s328788] [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: 07/10/2021] [Accepted: 08/06/2021] [Indexed: 12/18/2022] Open
Abstract
Background Successful treatment of Acinetobacter (A.) baumannii-associated infection is complicated by the emergence of multidrug resistance (MDR), particularly in clinical settings. This urges searching for new alternatives to encounter such health problem. Aim This study aimed to evaluate certain antibiotic combinations and CNPs either alone or in combination of some selected antibiotics for the purpose of combating MDR A. baumannii clinical isolates. Methods A total of 51 A. baumannii clinical isolates were recovered from discharged clinical specimens of the Clinical Microbiology Central Laboratory of AL Kasr Al Aini hospital, Cairo, Egypt. Conventional standard Lab tests were used for identification followed by recA gene testing for confirmation. Antimicrobial susceptibility tests were conducted out according to CLSI guidelines. Genotypic analysis using Enterobacterial Repetitive Intergenic Consensus-polymerase chain reaction (ERIC-PCR) of the respective isolates showed that they were clustered in nine clones. The prepared CNPs were characterized by dynamic light scattering and HR-transmission electron microscope imaging. Antibiotic combinations and co-effect of CNPs with some selected antibiotics (either each alone or in combination of two) were evaluated using the Checkerboard microdilution and minimum inhibitor concentration decrease factor (MDF) methods, respectively. Results The recovered 51 A. baumannii clinical isolates were MDR (100%) of these 92% (47/51) were extensively drug resistance (XDR). Combinations of colistin (CT)+meropenem (MEM) and MEM+tigecycline (TGC) showed synergism in 77.7% and 44.4% and additive effects in 22.3% and 55.6% of the tested MDR A. baumannii isolates (n=51), respectively. However, CT+TGC combination showed antagonism. CNPs exhibited good inhibitory activity (inhibition zones ranged from 24 to 31 mm) against selected nine MDR A. baumannii isolates (one isolate from each clone). The MIC of CNPs at concentrations (ranging from 1 to 5 mg/mL) were from 0.16 to 0.25 mg/mL, indicating good in vitro antimicrobial activities. CNPs (5 mg/mL) when combined with CT, TGC or MEM, CT+MEM and TGC+MEM significantly increased the susceptibilities of the MDR A. baumannii isolates to these antibiotics by 88.8%, 66.6%, 100%, 77.7%, and 44.4%, respectively. No significant effects were observed when CNPs (5 mg/mL) were combined with CT+TGC. Conclusion The current study demonstrated the significant in-vitro activities of CNPs either alone or in combination with CT, TGC or MEM, CT+MEM and TGC+MEM and the successful combinations of MEM either with CT or with TGC against the MDR A. baumannii pathogens. However, further in vivo studies should be conducted to verify such activities and their potential use in human.
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Affiliation(s)
- Nancy G Banoub
- Department of Microbiology and Immunology, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Sarra E Saleh
- Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Hala S Helal
- Department of Microbiology and Immunology, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Khaled M Aboshanab
- Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
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26
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Gao G, Wang Y, Hua H, Li D, Tang C. Marine Antitumor Peptide Dolastatin 10: Biological Activity, Structural Modification and Synthetic Chemistry. Mar Drugs 2021; 19:363. [PMID: 34202685 PMCID: PMC8303260 DOI: 10.3390/md19070363] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/19/2021] [Accepted: 06/20/2021] [Indexed: 12/22/2022] Open
Abstract
Dolastatin 10 (Dol-10), a leading marine pentapeptide isolated from the Indian Ocean mollusk Dolabella auricularia, contains three unique amino acid residues. Dol-10 can effectively induce apoptosis of lung cancer cells and other tumor cells at nanomolar concentration, and it has been developed into commercial drugs for treating some specific lymphomas, so it has received wide attention in recent years. In vitro experiments showed that Dol-10 and its derivatives were highly lethal to common tumor cells, such as L1210 leukemia cells (IC50 = 0.03 nM), small cell lung cancer NCI-H69 cells (IC50 = 0.059 nM), and human prostate cancer DU-145 cells (IC50 = 0.5 nM), etc. With the rise of antibody-drug conjugates (ADCs), milestone progress was made in clinical research based on Dol-10. A variety of ADCs constructed by combining MMAE or MMAF (Dol-10 derivatives) with a specific antibody not only ensured the antitumor activity of the drugs themself but also improved their tumor targeting and reduced the systemic toxicity. They are currently undergoing clinical trials or have been approved for marketing, such as Adcetris®, which had been approved for the treatment of anaplastic large T-cell systemic malignant lymphoma and Hodgkin lymphoma. Dol-10, as one of the most medically valuable natural compounds discovered up to now, has brought unprecedented hope for tumor treatment. It is particularly noteworthy that, by modifying the chemical structure of Dol-10 and combining with the application of ADCs technology, Dol-10 as a new drug candidate still has great potential for development. In this review, the biological activity and chemical work of Dol-10 in the advance of antitumor drugs in the last 35 years will be summarized, which will provide the support for pharmaceutical researchers interested in leading exploration of antitumor marine peptides.
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Affiliation(s)
- Gang Gao
- School of Medicine, Ningbo University, 818 Fenghua Road, Ningbo 315211, China;
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China; (H.H.); (D.L.)
| | - Yanbing Wang
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China;
| | - Huiming Hua
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China; (H.H.); (D.L.)
| | - Dahong Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China; (H.H.); (D.L.)
| | - Chunlan Tang
- School of Medicine, Ningbo University, 818 Fenghua Road, Ningbo 315211, China;
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27
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Khalifa SA, Yosri N, El-Mallah MF, Ghonaim R, Guo Z, Musharraf SG, Du M, Khatib A, Xiao J, Saeed A, El-Seedi HH, Zhao C, Efferth T, El-Seedi HR. Screening for natural and derived bio-active compounds in preclinical and clinical studies: One of the frontlines of fighting the coronaviruses pandemic. PHYTOMEDICINE 2021; 85:153311. [PMID: 33067112 PMCID: PMC7455571 DOI: 10.1016/j.phymed.2020.153311] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/15/2020] [Accepted: 08/21/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND Starting December 2019, mankind faced an unprecedented enemy, the COVID-19 virus. The world convened in international efforts, experiences and technologies in order to fight the emerging pandemic. Isolation, hygiene measure, diagnosis, and treatment are the most efficient ways of prevention and intervention nowadays. The health organizations and global care systems screened the available resources and offered recommendations of approved and proposed medications. However, the search for a specific selective therapy or vaccine against COVID-19 remains a challenge. METHODS A literature search was performed for the screening of natural and derived bio-active compounds which showed potent antiviral activity against coronaviruses using published articles, patents, clinical trials website (https://clinicaltrials.gov/) and web databases (PubMed, SCI Finder, Science Direct, and Google Scholar). RESULTS Through the screening for natural products with antiviral activities against different types of the human coronavirus, extracts of Lycoris radiata (L'Hér.), Gentiana scabra Bunge, Dioscorea batatas Decne., Cassia tora L., Taxillus chinensis (DC.), Cibotium barometz L. and Echinacea purpurea L. showed a promising effect against SARS-CoV. Out of the listed compound Lycorine, emetine dihydrochloride hydrate, pristimerin, harmine, conessine, berbamine, 4`-hydroxychalcone, papaverine, mycophenolic acid, mycophenolate mofetil, monensin sodium, cycloheximide, oligomycin and valinomycin show potent activity against human coronaviruses. Additionally, it is worth noting that some compounds have already moved into clinical trials for their activity against COVID-19 including fingolimod, methylprednisolone, chloroquine, tetrandrine and tocilizumab. CONCLUSION Natural compounds and their derivatives could be used for developing potent therapeutics with significant activity against SARS-COV-2, providing a promising frontline in the fighting against COVID-19.
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Affiliation(s)
- Shaden A.M. Khalifa
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, S-106 91, Stockholm, Sweden
| | - Nermeen Yosri
- Department of Chemistry, Faculty of Science, Menoufia University, 32512 Shebin El-Kom, Egypt,School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Mohamed F. El-Mallah
- Department of Chemistry, Faculty of Science, Menoufia University, 32512 Shebin El-Kom, Egypt
| | - Reem Ghonaim
- Department of Chemistry, Faculty of Science, Menoufia University, 32512 Shebin El-Kom, Egypt
| | - Zhiming Guo
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Syed Ghulam Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Ming Du
- School of Food Science and Technology, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116024, China
| | - Alfi Khatib
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, International Islamic University Malaysia, Kuantan, 25200, Pahang, Malaysia,Faculty of Pharmacy, Airlangga University, Surabaya 60155, Indonesia
| | - Jianbo Xiao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau
| | - Aamer Saeed
- Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | | | - Chao Zhao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany
| | - Hesham R. El-Seedi
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, S-106 91, Stockholm, Sweden,Department of Chemistry, Faculty of Science, Menoufia University, 32512 Shebin El-Kom, Egypt,H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan,International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China,Corresponding author at: Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, S-106 91, Stockholm, Sweden
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Dube NP, Siwe-Noundou X, Krause RWM, Kemboi D, Tembu VJ, Manicum AL. Review of the Traditional Uses, Phytochemistry, and Pharmacological Activities of Rhoicissus Species (Vitaceae). Molecules 2021; 26:molecules26082306. [PMID: 33923374 PMCID: PMC8071561 DOI: 10.3390/molecules26082306] [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: 02/18/2021] [Revised: 03/19/2021] [Accepted: 03/25/2021] [Indexed: 12/05/2022] Open
Abstract
Species within the genus Rhoicissus (Vitaceae) are commonly used in South African traditional medicine. The current review discusses the occurrence, distribution, traditional uses, phytochemistry, and pharmacological properties of Rhoicissus species covering the period 1981–2020. The data reported were systematically collected, read, and analysed from scientific electronic databases including Scopus, Scifinder, Pubmed, and Google Scholar. Reported evidence indicates that species in this genus are used for the treatment of gastrointestinal complaints, sexually transmitted infections (STIs), and infertility, as well as to tone the uterus during pregnancy and to facilitate delivery. Pharmacological studies have further shown that members of the Rhoicissus genus display antidiabetic, uterotonic, ascaricidal, hepatoprotective, antioxidant, antimicrobial, anticancer, and anti-inflammatory properties. They are linked to the presence of bioactive compounds isolated from the genus. Hence, Rhoicissus species can potentially be an alternative therapeutic strategy to treat diseases and develop safer and more potent drugs to combat diseases. Plant species of this genus have valuable medicinal benefits due to their significant pharmacological potential. However, scientific investigation and information of the therapeutic potential of Rhoicissus remain limited as most of the species in the genus have not been fully exploited. Therefore, there is a need for further investigations to exploit the therapeutic potential of the genus Rhoicissus. Future studies should evaluate the phytochemical, pharmacological, and toxicological activities, as well as the mode of action, of Rhoicissus crude extracts and secondary compounds isolated from the species.
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Affiliation(s)
- Nondumiso P. Dube
- Department of Chemistry, Tshwane University of Technology, 175 Nelson Mandela Drive, Private Bag X680, Pretoria 0001, South Africa; (N.P.D.); (D.K.)
| | - Xavier Siwe-Noundou
- Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa;
- Correspondence: (X.S.-N.); (V.J.T.); (A.-L.M.); Tel.: +27-(012)-382-6309 (A.-L.M.)
| | - Rui W. M. Krause
- Department of Chemistry, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa;
| | - Douglas Kemboi
- Department of Chemistry, Tshwane University of Technology, 175 Nelson Mandela Drive, Private Bag X680, Pretoria 0001, South Africa; (N.P.D.); (D.K.)
| | - Vuyelwa Jacqueline Tembu
- Department of Chemistry, Tshwane University of Technology, 175 Nelson Mandela Drive, Private Bag X680, Pretoria 0001, South Africa; (N.P.D.); (D.K.)
- Correspondence: (X.S.-N.); (V.J.T.); (A.-L.M.); Tel.: +27-(012)-382-6309 (A.-L.M.)
| | - Amanda-Lee Manicum
- Department of Chemistry, Tshwane University of Technology, 175 Nelson Mandela Drive, Private Bag X680, Pretoria 0001, South Africa; (N.P.D.); (D.K.)
- Correspondence: (X.S.-N.); (V.J.T.); (A.-L.M.); Tel.: +27-(012)-382-6309 (A.-L.M.)
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29
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El-Demerdash A, Metwaly AM, Hassan A, Abd El-Aziz TM, Elkaeed EB, Eissa IH, Arafa RK, Stockand JD. Comprehensive Virtual Screening of the Antiviral Potentialities of Marine Polycyclic Guanidine Alkaloids against SARS-CoV-2 (COVID-19). Biomolecules 2021; 11:460. [PMID: 33808721 PMCID: PMC8003478 DOI: 10.3390/biom11030460] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 12/14/2022] Open
Abstract
The huge global expansion of the COVID-19 pandemic caused by the novel SARS-corona virus-2 is an extraordinary public health emergency. The unavailability of specific treatment against SARS-CoV-2 infection necessitates the focus of all scientists in this direction. The reported antiviral activities of guanidine alkaloids encouraged us to run a comprehensive in silico binding affinity of fifteen guanidine alkaloids against five different proteins of SARS-CoV-2, which we investigated. The investigated proteins are COVID-19 main protease (Mpro) (PDB ID: 6lu7), spike glycoprotein (PDB ID: 6VYB), nucleocapsid phosphoprotein (PDB ID: 6VYO), membrane glycoprotein (PDB ID: 6M17), and a non-structural protein (nsp10) (PDB ID: 6W4H). The binding energies for all tested compounds indicated promising binding affinities. A noticeable superiority for the pentacyclic alkaloids particularly, crambescidin 786 (5) and crambescidin 826 (13) has been observed. Compound 5 exhibited very good binding affinities against Mpro (ΔG = -8.05 kcal/mol), nucleocapsid phosphoprotein (ΔG = -6.49 kcal/mol), and nsp10 (ΔG = -9.06 kcal/mol). Compound 13 showed promising binding affinities against Mpro (ΔG = -7.99 kcal/mol), spike glycoproteins (ΔG = -6.95 kcal/mol), and nucleocapsid phosphoprotein (ΔG = -8.01 kcal/mol). Such promising activities might be attributed to the long ω-fatty acid chain, which may play a vital role in binding within the active sites. The correlation of c Log P with free binding energies has been calculated. Furthermore, the SAR of the active compounds has been clarified. The Absorption, Distribution, Metabolism, Excretion, and Toxicity (ADMET) studies were carried out in silico for the 15 compounds; most examined compounds showed optimal to good range levels of ADMET aqueous solubility, intestinal absorption and being unable to pass blood brain barrier (BBB), non-inhibitors of CYP2D6, non-hepatotoxic, and bind plasma protein with a percentage less than 90%. The toxicity of the tested compounds was screened in silico against five models (FDA rodent carcinogenicity, carcinogenic potency TD50, rat maximum tolerated dose, rat oral LD50, and rat chronic lowest observed adverse effect level (LOAEL)). All compounds showed expected low toxicity against the tested models. Molecular dynamic (MD) simulations were also carried out to confirm the stable binding interactions of the most promising compounds, 5 and 13, with their targets. In conclusion, the examined 15 alkaloids specially 5 and 13 showed promising docking, ADMET, toxicity and MD results which open the door for further investigations for them against SARS-CoV-2.
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Affiliation(s)
- Amr El-Demerdash
- Metabolic Biology & Biological Chemistry Department, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
- Organic Chemistry Division, Chemistry Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
| | - Ahmed M. Metwaly
- Department of Pharmacognosy & Medicinal Plants, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Afnan Hassan
- Drug Design and Discovery Lab, Zewail City of Science and Technology, Giza 12578, Egypt; (A.H.); (R.K.A.)
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza 12578, Egypt
| | - Tarek Mohamed Abd El-Aziz
- Department of Cellular and Integrative Physiology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3900, USA;
- Zoology Department, Faculty of Science, Minia University, El-Minia 61519, Egypt
| | - Eslam B. Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Riyadh, Saudi Arabia;
| | - Ibrahim H. Eissa
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt;
| | - Reem K. Arafa
- Drug Design and Discovery Lab, Zewail City of Science and Technology, Giza 12578, Egypt; (A.H.); (R.K.A.)
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza 12578, Egypt
| | - James D. Stockand
- Department of Cellular and Integrative Physiology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3900, USA;
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Veronico P, Melillo MT. Marine Organisms for the Sustainable Management of Plant Parasitic Nematodes. PLANTS 2021; 10:plants10020369. [PMID: 33672987 PMCID: PMC7918792 DOI: 10.3390/plants10020369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/02/2021] [Accepted: 02/09/2021] [Indexed: 11/16/2022]
Abstract
Plant parasitic nematodes are annually responsible for the loss of 10%–25% of worldwide crop production, most of which is attributable to root-knot nematodes (RKNs) that infest a wide range of agricultural crops throughout the world. Current nematode control tools are not enough to ensure the effective management of these parasites, mainly due to the severe restrictions imposed on the use of chemical pesticides. Therefore, it is important to discover new potential nematicidal sources that are suitable for the development of additional safe and effective control strategies. In the last few decades, there has been an explosion of information about the use of seaweeds as plant growth stimulants and potential nematicides. Novel bioactive compounds have been isolated from marine cyanobacteria and sponges in an effort to find their application outside marine ecosystems and in the discovery of new drugs. Their potential as antihelmintics could also be exploited to find applicability against plant parasitic nematodes. The present review focuses on the activity of marine organisms on RKNs and their potential application as safe nematicidal agents.
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Zaporozhets TS, Besednova NN. Biologically active compounds from marine organisms in the strategies for combating coronaviruses. AIMS Microbiol 2020; 6:470-494. [PMID: 33364539 PMCID: PMC7755586 DOI: 10.3934/microbiol.2020028] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/01/2020] [Indexed: 12/20/2022] Open
Abstract
Despite the progress made in immunization and drug development, so far there are no prophylactic vaccines and effective therapies for many viral infections, including infections caused by coronaviruses. In this regard, the search for new antiviral substances continues to be relevant, and the enormous potential of marine resources are a stimulus for the study of marine compounds with antiviral activity in experiments and clinical trials. The highly pathogenic human coronaviruses-severe acute respiratory syndrome-related coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) remain a serious threat to human health. In this review, the authors hope to bring the attention of researchers to the use of biologically active substances of marine origin as potential broad-spectrum antiviral agents targeting common cellular pathways and various stages of the life cycle of different viruses, including coronaviruses. The review has been compiled using references from major databases such as Web of Science, PubMed, Scopus, Elsevier, Springer and Google Scholar (up to June 2020) and keywords such as 'coronaviruses', 'marine organisms', 'biologically active substances', 'antiviral drugs', 'SARS-CoV', 'MERS-CoV', 'SARS-CoV-2', '3CLpro', 'TMPRSS2', 'ACE2'. After obtaining all reports from the databases, the papers were carefully analysed in order to find data related to the topic of this review (98 references). Biologically active substances of marine origin, such as flavonoids, phlorotannins, alkaloids, terpenoids, peptides, lectins, polysaccharides, lipids and others substances, can affect coronaviruses at the stages of penetration and entry of the viral particle into the cell, replication of the viral nucleic acid and release of the virion from the cell; they also can act on the host's cellular targets. These natural compounds could be a vital resource in the fight against coronaviruses.
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Affiliation(s)
- Tatyana S. Zaporozhets
- Immunology Laboratory, Somov Institute of Epidemiology and Microbiology, Vladivostok, Russian Federation
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Antiproliferative Activity, Proapoptotic Effect, and Cell Cycle Arrest in Human Cancer Cells of Some Marine Natural Product Extract. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7948705. [PMID: 33294124 PMCID: PMC7714591 DOI: 10.1155/2020/7948705] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 10/27/2020] [Accepted: 11/10/2020] [Indexed: 01/29/2023]
Abstract
Bioactive constituents of numerous marine organisms have been investigated recently for their preclinical and clinical anticancer activity. Three marine organisms: black-spotted sea cucumber: Pearsonothuria graeffei (Pg), lollyfish: Holothuria atra (Ha), and sea hare: Aplysia dactylomela (Ad), were collected during winter 2019 from Gulf of Aqaba, Red Sea, Egypt, and macerated with ethanol into three different extracts: PgE, HaE, and AdE, where each was in vitro assessed for its antiproliferative and proapoptotic properties on HepG2, HCT-116, and MCF-7 cancer cells. PgE dose-dependently inhibited the growth of HepG2, HCT-116, and MCF-7 cells within IC50 values 16.22, 13.34, and 18.09 μg/mL, respectively, while the IC50 values for the antiproliferative activity of HaE were 12.48, 10.45, and 10.36 μg/mL, respectively, and the IC50 values of AdE were 6.51, 5.33, and 6.87 μg/mL, respectively. All extracts were found to induce G0/G1 cell cycle arrest for HepG2 cells side by side with their inhibition of CDK2 on all three cell lines while all extracts were also showed to induce apoptosis in HepG2 cell line at pre-G 1 phase supplemented by their anticancer activity via proapoptotic protein Bax, caspase-3, and cleavage PARP increase, and antiapoptotic protein Bcl-2 downturn. Moreover, necrosis has been relatively noticed in HepG2 cell line as an additional anticancer activity for each extract. Our data introduced three ethanolic marine extracts as natural chemotherapeutic agents to be further developed for cancer control.
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Rao GP, Mohan BS, Siddaiah V. First Stereoselective Total Synthesis of Modiolin. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1070428020110184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Nguyen TKM, Ki MR, Son RG, Kim KH, Hong J, Pack SP. A dual-functional peptide, Kpt from Ruegeria pomeroyi DSS-3 for protein purification and silica precipitation. Biochem Eng J 2020. [DOI: 10.1016/j.bej.2020.107726] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Whiteland H, Crusco A, Bloemberg LW, Tibble-Howlings J, Forde-Thomas J, Coghlan A, Murphy PJ, Hoffmann KF. Quorum sensing N-Acyl homoserine lactones are a new class of anti-schistosomal. PLoS Negl Trop Dis 2020; 14:e0008630. [PMID: 33075069 PMCID: PMC7595621 DOI: 10.1371/journal.pntd.0008630] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/29/2020] [Accepted: 09/24/2020] [Indexed: 02/07/2023] Open
Abstract
Background Schistosomiasis is a prevalent neglected tropical disease that affects approximately 300 million people worldwide. Its treatment is through a single class chemotherapy, praziquantel. Concerns surrounding the emergence of praziquantel insensitivity have led to a need for developing novel anthelmintics. Methodology/Principle findings Through evaluating and screening fourteen compounds (initially developed for anti-cancer and anti-viral projects) against Schistosoma mansoni, one of three species responsible for most cases of human schistosomiasis, a racemic N-acyl homoserine (1) demonstrated good efficacy against all intra mammalian lifecycle stages including schistosomula (EC50 = 4.7 μM), juvenile worms (EC50 = 4.3 μM) and adult worms (EC50 = 8.3 μM). To begin exploring structural activity relationships, a further 8 analogues of this compound were generated, including individual (R)- and (S)- enantiomers. Upon anti-schistosomal screening of these analogues, the (R)- enantiomer retained activity, whereas the (S)- lost activity. Furthermore, modification of the lactone ring to a thiolactone ring (3) improved potency against schistosomula (EC50 = 2.1 μM), juvenile worms (EC50 = 0.5 μM) and adult worms (EC50 = 4.8 μM). As the effective racemic parent compound is structurally similar to quorum sensing signaling peptides used by bacteria, further evaluation of its effect (along with its stereoisomers and the thiolactone analogues) against Gram+ (Staphylococcus aureus) and Gram- (Escherichia coli) species was conducted. While some activity was observed against both Gram+ and Gram- bacteria species for the racemic compound 1 (MIC 125 mg/L), the (R) stereoisomer had better activity (125 mg/L) than the (S) (>125mg/L). However, the greatest antimicrobial activity (MIC 31.25 mg/L against S. aureus) was observed for the thiolactone containing analogue (3). Conclusion/Significance To the best of our knowledge, this is the first demonstration that N-Acyl homoserines exhibit anthelmintic activities. Furthermore, their additional action on Gram+ bacteria opens a new avenue for exploring these molecules more broadly as part of future anti-infective initiatives. Schistosomiasis, caused by infection with blood fluke schistosomes, is a neglected tropical disease that negatively impacts the lives of approximately 300 million people worldwide. In the absence of a vaccine, it is currently controlled by a single drug, Praziquantel (PZQ). Although incredibly valuable in controlling disease burden, PZQ-mediated chemotherapy is ineffective against juvenile worms and may not be sustainable should resistance develop. The need to identify an alternative or combinatorial drug is, therefore, a priority in contributing to the control of this parasitic disease into the 21st century. In this study, we have identified a new class of anthelmintic, N-acyl homoserine lactones, which are normally used by bacteria for quorum sensing and population density control. The tested N-acyl homoserine lactones were active against all intra-human schistosome lifecycle stages, in particular, when a thiolactone modification to the core N-acyl homoserine ring was made. Interestingly, these N-acyl homoserine lactones also displayed antimicrobial activities against Gram+Staphylococcus aureus. By demonstrating broad activities against schistosomes and bacteria exemplars, this study identified a potential route for the further development of a new anti-infective class.
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Affiliation(s)
- Helen Whiteland
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Aberystwyth, Wales, United Kingdom
| | - Alessandra Crusco
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Aberystwyth, Wales, United Kingdom
| | - Lisa W. Bloemberg
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Aberystwyth, Wales, United Kingdom
| | | | - Josephine Forde-Thomas
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Aberystwyth, Wales, United Kingdom
| | - Avril Coghlan
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Patrick J. Murphy
- School of Natural Sciences, Bangor University, Gwynedd, United Kingdom
| | - Karl F. Hoffmann
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Aberystwyth, Wales, United Kingdom
- * E-mail:
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Lim SM, Agatonovic-Kustrin S, Lim FT, Ramasamy K. High-performance thin layer chromatography-based phytochemical and bioactivity characterisation of anticancer endophytic fungal extracts derived from marine plants. J Pharm Biomed Anal 2020; 193:113702. [PMID: 33160220 DOI: 10.1016/j.jpba.2020.113702] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/12/2020] [Accepted: 10/12/2020] [Indexed: 12/28/2022]
Abstract
Bioactive compounds from endophytic fungi exhibit diverse biological activities which include anticancer effect. Capitalising on the abundance of unexplored endophytes that reside within marine plants, this study assessed the anticancer potential of ethyl acetate endophytic fungal extracts (i.e. MBFT Tip 2.1, MBL 1.2, MBS 3.2, MKS 3 and MKS 3.1) derived from leaves, stem and fruits of marine plants that grow along Morib Beach, Malaysia. For identification of endophytic fungi, EF 4/ EF 3 and ITS 1/ ITS 4 PCR primer pairs were used to amplify the fungal 18S rDNA sequence and ITS region sequence, respectively. The resultant sequences were subjected to similarity search via the NCBI GenBank database. High-performance thin layer chromatography (HPTLC) hyphenated with bioassays was used to characterise the extracts in terms of their phytochemical profiles and bioactivity. Microchemical derivatisation was used to assess polyphenolic and phytosterol/ terpenoid content whereas biochemical derivatisation was used to establish antioxidant activities and α-amylase enzyme inhibition. The sulforhodamine B (SRB) assay was used to assess the anticancer effect of the extracts against HCT116 (a human colorectal cancer cell line). The present results indicated MBS 3.2 (Penicillium decumbens) as the most potent extract against HCT116 (IC50 = 0.16 μg/mL), approximately 3-times more potent than 5-flurouracil (IC50 = 0.46 μg/mL). Stepwise multiple regression method suggests that the anticancer effect of MBS 3.2 could be associated with high polyphenolic content and antioxidant potential. Nonlinear regression analysis confirmed that low to moderate α-amylase inhibition exhibits maximum anticancer activity. Current findings warrant further in-depth mechanistic studies.
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Affiliation(s)
- Siong Meng Lim
- Collaborative Drug Discovery Research (CDDR) Group, Faculty of Pharmacy, University Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300 Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia
| | - Snezana Agatonovic-Kustrin
- Department of Pharmaceutical and Toxicological Chemistry Named after Arzamastsev of the Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Bolshaya Pirogovskaya 2, p 4, 119991, Moscow, Russia; School of Pharmacy and Applied Science, La Trobe Institute of Molecular Sciences, La Trobe University, Edwards Rd, Bendigo, VIC, 3550, Australia
| | - Fei Tieng Lim
- Collaborative Drug Discovery Research (CDDR) Group, Faculty of Pharmacy, University Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300 Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia
| | - Kalavathy Ramasamy
- Collaborative Drug Discovery Research (CDDR) Group, Faculty of Pharmacy, University Teknologi MARA (UiTM) Cawangan Selangor, Kampus Puncak Alam, 42300 Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia.
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Dwivedi R, Pomin VH. Marine Antithrombotics. Mar Drugs 2020; 18:md18100514. [PMID: 33066214 PMCID: PMC7602030 DOI: 10.3390/md18100514] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 09/24/2020] [Accepted: 10/01/2020] [Indexed: 01/26/2023] Open
Abstract
Thrombosis remains a prime reason of mortality worldwide. With the available antithrombotic drugs, bleeding remains the major downside of current treatments. This raises a clinical concern for all patients undergoing antithrombotic therapy. Novel antithrombotics from marine sources offer a promising therapeutic alternative to this pathology. However, for any potential new molecule to be introduced as a real alternative to existing drugs, the exhibition of comparable anticoagulant potential with minimal off-target effects must be achieved. The relevance of marine antithrombotics, particularly sulfated polysaccharides, is largely due to their unique mechanisms of action and lack of bleeding. There have been many investigations in the field and, in recent years, results have confirmed the role of potential marine molecules as alternative antithrombotics. Nonetheless, further clinical studies are required. This review covers the core of the data available so far regarding the science of marine molecules with potential medical applications to treat thrombosis. After a general discussion about the major biochemical steps involved in this pathology, we discuss the key structural and biomedical aspects of marine molecules of both low and high molecular weight endowed with antithrombotic/anticoagulant properties.
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Antonio ADS, Wiedemann LSM, Veiga-Junior VF. Natural products' role against COVID-19. RSC Adv 2020; 10:23379-23393. [PMID: 35693131 PMCID: PMC9122563 DOI: 10.1039/d0ra03774e] [Citation(s) in RCA: 131] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 06/10/2020] [Indexed: 12/19/2022] Open
Abstract
COVID-19 is a viral disease caused by a new severe acute respiratory syndrome (SARS-CoV-2), which has quickly resulted in a pandemic. As a great threat to global public health, the development of a treatment has become vital, and a rush to find a cure has mobilized researchers from all areas across the world. Synthetic drugs, such as hydroxychloroquine, have gained attention. However, the efficacy of repositioned drugs is still under evaluation, and besides, some severe side effects are a cause for concern. This emphasizes the urgency for treatment options, which can be both safe and effective. With this in mind, natural products could be an important resource in the development of COVID-19 treatment, as they have already contributed in the past to treatments against other viruses, such as HIV, MERS-CoV, and influenza. Natural products are described long term as bioactive substances and some phytochemical classes such as flavonoids, alkaloids, and peptides are known antiviral bioproducts, and have been virtually tested with success against COVID-19. However, important issues still need to be addressed as to their bioavailability and true efficacy in vivo. This review intends to systematically evaluate the natural metabolites that could potentially be used against this new disease looking at their natural sources, mechanism of action and previous pharmacological usages. The aim is to provide a starting point for this research area in order to speed up the establishment of anti-SARS-CoV-2 bioproducts.
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Affiliation(s)
- Ananda da Silva Antonio
- Chemistry Department, Institute of Exact Sciences, Federal University of Amazonas Avenida Rodrigo Octávio, 6200, Coroado CEP: 69.077-000 Manaus AM Brazil
| | - Larissa Silveira Moreira Wiedemann
- Chemistry Department, Institute of Exact Sciences, Federal University of Amazonas Avenida Rodrigo Octávio, 6200, Coroado CEP: 69.077-000 Manaus AM Brazil
| | - Valdir Florêncio Veiga-Junior
- Chemistry Department, Institute of Exact Sciences, Federal University of Amazonas Avenida Rodrigo Octávio, 6200, Coroado CEP: 69.077-000 Manaus AM Brazil
- Chemical Engineering Section, Military Institute of Engineering Praça General Tibúrcio, 80, Praia Vermelha, Urca CEP: 22.290-270 Rio de Janeiro RJ Brazil
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Ahmad S, Saleem M, Riaz N, Lee YS, Diri R, Noor A, Almasri D, Bagalagel A, Elsebai MF. The Natural Polypeptides as Significant Elastase Inhibitors. Front Pharmacol 2020; 11:688. [PMID: 32581778 PMCID: PMC7291377 DOI: 10.3389/fphar.2020.00688] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 04/27/2020] [Indexed: 12/11/2022] Open
Abstract
Human neutrophil elastase (HNE) is a major cause of the destruction of tissues in cases of several different chronic andinflammatory diseases. Overexpression of the elastase enzyme plays a significant role in the pathogenesis of various diseases including chronic obstructive pulmonary disease (COPD), acute respiratory distress syndrome, rheumatoid arthritis, the rare disease cyclic hematopoiesis (or cyclic neutropenia), infections, sepsis, cystic fibrosis, myocardial ischemia/reperfusion injury and asthma, inflammation, and atherosclerosis. Human neutrophil elastase is secreted by human neutrophils due to different stimuli. Medicine-based inhibition of the over-activation of neutrophils or production and activity of elastase have been suggested to mend inflammatory diseases. Although the development of new elastase inhibitors is an essential strategy for treating the different inflammatory diseases, it has been a challenge to specifically target the activity of elastase because of its overlapping functions with those of other serine proteases. This review article highlights the reported natural polypeptides as potential inhibitors of elastase enzyme. The mechanism of action, structural features, and activity of the polypeptides have also been correlated wherever they were available.
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Affiliation(s)
- Shabir Ahmad
- Department of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan.,Department of Chemistry, Post-Graduate College, Bahawalpur, Pakistan
| | - Muhammad Saleem
- Department of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Naheed Riaz
- Department of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Yong Sup Lee
- Department of Life and Nanopharmaceutical Sciences & Medicinal Chemistry Laboratory, Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, South Korea
| | - Reem Diri
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmad Noor
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Diena Almasri
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Alaa Bagalagel
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mahmoud Fahmi Elsebai
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia.,Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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Yonamine Y, Hiramatsu K, Ideguchi T, Ito T, Fujiwara T, Miura Y, Goda K, Hoshino Y. Spatiotemporal monitoring of intracellular metabolic dynamics by resonance Raman microscopy with isotope labeling. RSC Adv 2020; 10:16679-16686. [PMID: 35498863 PMCID: PMC9053077 DOI: 10.1039/d0ra02803g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 04/20/2020] [Indexed: 01/18/2023] Open
Abstract
We probed production process of a cellular metabolite with a stable isotope-labeled substrate exposed to various conditions.
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Affiliation(s)
- Yusuke Yonamine
- Research Institute for Electronic Science
- Hokkaido University
- Sapporo 001-0021
- Japan
| | - Kotaro Hiramatsu
- Department of Chemistry
- The University of Tokyo
- Tokyo 113-0033
- Japan
- Research Centre for Spectrochemistry
| | - Takuro Ideguchi
- Research Centre for Spectrochemistry
- The University of Tokyo
- Tokyo 113-0033
- Japan
- PRESTO
| | - Takuro Ito
- Japan Science and Technology Agency
- Kawaguchi-shi
- Japan
| | - Tomomi Fujiwara
- Department of Chemical Engineering
- Kyushu University
- Fukuoka 819-0395
- Japan
| | - Yoshiko Miura
- Department of Chemical Engineering
- Kyushu University
- Fukuoka 819-0395
- Japan
| | - Keisuke Goda
- Department of Chemistry
- The University of Tokyo
- Tokyo 113-0033
- Japan
- Japan Science and Technology Agency
| | - Yu Hoshino
- Department of Chemical Engineering
- Kyushu University
- Fukuoka 819-0395
- Japan
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Oliveira AP, Lopes AC, Silva M, Andrade PB, Valentão P. Exploring Montagu’s crab: Primary and secondary metabolites and enzyme inhibition. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2016.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Asfour HZ, Awan ZA, Bagalagel AA, Elfaky MA, Abdelhameed RFA, Elhady SS. Large-Scale Production of Bioactive Terrein by Aspergillus terreus Strain S020 Isolated from the Saudi Coast of the Red Sea. Biomolecules 2019; 9:biom9090480. [PMID: 31547354 PMCID: PMC6769563 DOI: 10.3390/biom9090480] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/08/2019] [Accepted: 09/09/2019] [Indexed: 01/01/2023] Open
Abstract
The diversity of symbiotic fungi derived from two marine sponges and sediment collected off Obhur, Jeddah (Saudi Arabia), was investigated in the current study. A total of 23 isolates were purified using a culture-dependent approach. Using the morphological properties combined with internal transcribed spacer-rDNA (ITS-rDNA) sequences, 23 fungal strains (in the majority Penicillium and Aspergillus) were identified from these samples. The biological screening (cytotoxic and antimicrobial activities) of small-scale cultures of these fungi yielded several target fungal strains which produced bioactive secondary metabolites. Amongst these isolates, the crude extract of Aspergillus terreus strain S020, which was cultured in fermentation static broth, 21 L, for 40 days at room temperature on potato dextrose broth, displayed strong antimicrobial activities against Pseudomonas aeruginosa and Staphylococcus aureus and significant antiproliferative effects on human carcinoma cells. Chromatographic separation of the crude extract by silica gel column chromatography indicated that the S020 isolate could produce a series of chemical compounds. Among these, pure crystalline terrein was separated with a high yield of 537.26 ± 23.42 g/kg extract, which represents the highest fermentation production of terrein to date. Its chemical structure was elucidated on the basis of high-resolution electrospray ionization mass spectrometry (HRESIMS) or high-resolution mass spectrometry (HRMS), 1D, and 2D NMR spectroscopic analyses and by comparison with reported data. The compound showed strong cytotoxic activity against colorectal carcinoma cells (HCT-116) and hepatocellular carcinoma cells (HepG2), with IC50 values of 12.13 and 22.53 µM, respectively. Our study highlights the potential of A. terreus strain S020 for the industrial production of bioactive terrein on a large scale and the importance of future investigations of these strains to identify the bioactive leads in these fungal extracts.
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Affiliation(s)
- Hani Z Asfour
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, Princess Al-Jawhara Center of Excellence in Research of Hereditary Disorders, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Zuhier A Awan
- Department of Clinical Biochemistry, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Alaa A Bagalagel
- Department of Clinical Pharmacy, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Mahmoud A Elfaky
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Reda F A Abdelhameed
- Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt.
| | - Sameh S Elhady
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
- Department of Pharmacognosy, Faculty of Pharmacy, Port Said University, Port Said 42526, Egypt.
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Barzkar N, Tamadoni Jahromi S, Poorsaheli HB, Vianello F. Metabolites from Marine Microorganisms, Micro, and Macroalgae: Immense Scope for Pharmacology. Mar Drugs 2019; 17:E464. [PMID: 31398953 PMCID: PMC6723029 DOI: 10.3390/md17080464] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 07/26/2019] [Accepted: 07/27/2019] [Indexed: 12/21/2022] Open
Abstract
Marine organisms produce a large array of natural products with relevance in drug discovery. These compounds have biological activities such as antioxidant, antibacterial, antitumor, antivirus, anticoagulant, anti-inflammatory, antihypertensive, antidiabetic, and so forth. Consequently, several of the metabolites have made it to the advanced stages of clinical trials, and a few of them are commercially available. In this review, novel information on natural products isolated from marine microorganisms, microalgae, and macroalgae are presented. Given due research impetus, these marine metabolites might emerge as a new wave of promising drugs.
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Affiliation(s)
- Noora Barzkar
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas 74576, Iran.
| | - Saeid Tamadoni Jahromi
- Persian Gulf and Oman Sea Ecology Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research Education and Extension Organization (AREEO), Bandar Abbas 93165, Iran.
| | - Hadi Bolooki Poorsaheli
- Road, Housing & Urban Development Research Center (BHRC), Persian Gulf Branch, Bandar Abbas 93144, Iran
- Department of Engineering, Islamic Azad University, Bandar Abbas 1696, Iran
| | - Fabio Vianello
- Department of Comparative Biomedicine and Food Science, University of Padua, viale dell'Università 16, 35020 Legnaro, Italy
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Characterization of marine derived collagen extracted from the by-products of bigeye tuna (Thunnus obesus). Int J Biol Macromol 2019; 135:668-676. [DOI: 10.1016/j.ijbiomac.2019.05.213] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 05/12/2019] [Accepted: 05/29/2019] [Indexed: 11/18/2022]
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Solntsev KM, Schramm S, Kremb S, Gunsalus KC, Amin SA. Isolation of biologically active compounds from mangrove sediments. Anal Bioanal Chem 2019; 411:6521-6529. [DOI: 10.1007/s00216-019-02001-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Inhibitory Effects of Crude and Filtered Extracts from Oral Disk of Sea Anemone (Stichodactyla haddoni) on MCF-7 Cell Line. Jundishapur J Nat Pharm Prod 2019. [DOI: 10.5812/jjnpp.65799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Ngangbam AK, Mouatt P, Smith J, Waters DLE, Benkendorff K. Bromoperoxidase Producing Bacillus spp. Isolated from the Hypobranchial Glands of a Muricid Mollusc Are Capable of Tyrian Purple Precursor Biogenesis. Mar Drugs 2019; 17:md17050264. [PMID: 31058830 PMCID: PMC6562550 DOI: 10.3390/md17050264] [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: 04/11/2019] [Revised: 04/26/2019] [Accepted: 04/30/2019] [Indexed: 11/16/2022] Open
Abstract
The secondary metabolite Tyrian purple, also known as shellfish purple and royal purple, is a dye with historical importance for humans. The biosynthetic origin of Tyrian purple in Muricidae molluscs is not currently known. A possible role for symbiotic bacteria in the production of tyrindoxyl sulphate, the precursor to Tyrian purple stored in the Australian species, Dicathais orbita, has been proposed. This study aimed to culture bacterial symbionts from the purple producing hypobranchial gland, and screen the isolates for bromoperoxidase genes using molecular methods. The ability of bromoperoxidase positive isolates to produce the brominated indole precursor to Tyrian purple was then established by extraction of the culture, and analysis by liquid chromatography-mass spectrometry (LC-MS). In total, 32 bacterial isolates were cultured from D. orbita hypobranchial glands, using marine agar, marine agar with hypobranchial gland aqueous extracts, blood agar, thiosulphate citrate bile salts sucrose agar, and cetrimide agar at pH 7.2. These included 26 Vibrio spp., two Bacillus spp., one Phaeobacter sp., one Shewanella sp., one Halobacillus sp. and one Pseudoalteromonas sp. The two Bacillus species were the only isolates found to have coding sequences for bromoperoxidase enzymes. LC-MS analysis of the supernatant and cell pellets from the bromoperoxidase producing Bacillus spp. cultured in tryptone broth, supplemented with KBr, confirmed their ability to produce the brominated precursor to Tyrian purple, tyrindoxyl sulphate. This study supports a potential role for symbiotic Bacillus spp. in the biosynthesis of Tyrian purple.
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Affiliation(s)
- Ajit Kumar Ngangbam
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia.
| | - Peter Mouatt
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia.
| | - Joshua Smith
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia.
| | - Daniel L E Waters
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia.
- ARC Industrial Transformation Training Centre for Functional Grains, Charles Sturt University, Wagga, NSW 2650, Australia.
| | - Kirsten Benkendorff
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia.
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Braddock AA, Theodorakis EA. Marine Spirotetronates: Biosynthetic Edifices That Inspire Drug Discovery. Mar Drugs 2019; 17:md17040232. [PMID: 31010150 PMCID: PMC6521127 DOI: 10.3390/md17040232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 04/13/2019] [Accepted: 04/16/2019] [Indexed: 12/31/2022] Open
Abstract
Spirotetronates are actinomyces-derived polyketides that possess complex structures and exhibit potent and unexplored bioactivities. Due to their anticancer and antimicrobial properties, they have potential as drug hits and deserve further study. In particular, abyssomicin C and tetrocarcin A have shown significant promise against antibiotic-resistant S. aureus and tuberculosis, as well as for the treatment of various lymphomas and solid tumors. Improved synthetic routes to these compounds, particularly the class II spirotetronates, are needed to access sufficient quantities for structure optimization and clinical applications.
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Affiliation(s)
- Alexander A Braddock
- Department of Chemistry & Biochemistry, University of California San Diego, La Jolla, CA 92093-0358, USA.
| | - Emmanuel A Theodorakis
- Department of Chemistry & Biochemistry, University of California San Diego, La Jolla, CA 92093-0358, USA.
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Hou XM, Wang CY, Gerwick WH, Shao CL. Marine natural products as potential anti-tubercular agents. Eur J Med Chem 2019; 165:273-292. [PMID: 30685527 DOI: 10.1016/j.ejmech.2019.01.026] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 02/01/2023]
Abstract
Tuberculosis has been one of the greatest global health challenges of all time. Although the current first-line anti-tuberculosis (anti-TB) medicines used in the clinic have reduced mortality, multidrug-resistance and extensively drug-resistance forms of the disease have now spread worldwide and become a global problem. Even so, few new clinically approved drugs have emerged during the past 30 years. Highly biodiverse marine organisms have received considerable attention for drug discovery in the past couple of decades, and emerging TB drug resistance has motivated interest in assessing marine natural products (MNPs) in the treatment of this disease. So far, more than 170 compounds have been isolated from marine organisms with anti-TB properties, ten of which exhibit potent activity and have the potential for further development. This review systematically surveys MNPs with anti-TB activity and illustrates the impact of these compounds on drug discovery research against tuberculosis.
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Affiliation(s)
- Xue-Mei Hou
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, People's Republic of China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266200, People's Republic of China
| | - Chang-Yun Wang
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, People's Republic of China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266200, People's Republic of China
| | - William H Gerwick
- Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography and Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, 92093, United States.
| | - Chang-Lun Shao
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, People's Republic of China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266200, People's Republic of China.
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Menger M, Christmann M. Formal synthesis of actinoranone using a one-pot semipinacol rearrangement/Wittig reaction. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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