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Ngandjui YAT, Kereeditse TT, Kamika I, Madikizela LM, Msagati TAM. Nutraceutical and Medicinal Importance of Marine Molluscs. Mar Drugs 2024; 22:201. [PMID: 38786591 PMCID: PMC11123371 DOI: 10.3390/md22050201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/17/2024] [Accepted: 04/25/2024] [Indexed: 05/25/2024] Open
Abstract
Marine molluscs are of enormous scientific interest due to their astonishing diversity in terms of their size, shape, habitat, behaviour, and ecological roles. The phylum Mollusca is the second most common animal phylum, with 100,000 to 200,000 species, and marine molluscs are among the most notable class of marine organisms. This work aimed to show the importance of marine molluscs as a potential source of nutraceuticals as well as natural medicinal drugs. In this review, the main classes of marine molluscs, their chemical ecology, and the different techniques used for the extraction of bioactive compounds have been presented. We pointed out their nutraceutical importance such as their proteins, peptides, polysaccharides, lipids, polyphenolic compounds pigments, marine enzymes, minerals, and vitamins. Their pharmacological activities include antimicrobial, anticancer, antioxidant, anti-inflammatory, and analgesic activities. Moreover, certain molluscs like abalones and mussels contain unique compounds with potential medicinal applications, ranging from wound healing to anti-cancer effects. Understanding the nutritional and therapeutic value of marine molluscs highlights their significance in both pharmaceutical and dietary realms, paving the way for further research and utilization in human health.
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Affiliation(s)
- Yvan Anderson Tchangoue Ngandjui
- Institute for Nanotechnology and Water Sustainability, College of Engineering, Science and Technology, University of South Africa, Florida Science Campus, Johannesburg 1705, South Africa; (T.T.K.); (I.K.); (L.M.M.)
| | | | | | | | - Titus Alfred Makudali Msagati
- Institute for Nanotechnology and Water Sustainability, College of Engineering, Science and Technology, University of South Africa, Florida Science Campus, Johannesburg 1705, South Africa; (T.T.K.); (I.K.); (L.M.M.)
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Sharma P, Moustafa M, Al-Shehri M, Alotaibi F, Bhardwaj R, Singh IK. A simulation-based approach to target Zika virus RNA-dependent RNA polymerase with marine compounds for antiviral development. J Biomol Struct Dyn 2024:1-11. [PMID: 38415996 DOI: 10.1080/07391102.2024.2322620] [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: 12/15/2023] [Accepted: 02/16/2024] [Indexed: 02/29/2024]
Abstract
Despite significant efforts, currently, there is no particular drug available to treat Zika virus (ZIKV) infection, highlighting the urgent need for effective therapeutic interventions. To identify putative inhibitors of the ZIKV RdRp protein's RNA binding function, the present study applied an extensive in-silico drug discovery methodology. The initial phase involved virtual screening using Lipinski's rule of five as a filter, ensuring the selection of molecules with favorable pharmacokinetic properties. This process yielded 238 compounds with promising docking scores, ranging from -6.0 to -7.48 kcal/mol, indicative of their potential binding affinity to the ZIKV RdRp. To refine the selection, these compounds underwent a re-docking process, comparing their binding energies with a reference molecule known for its inhibitory action against RdRp. Remarkably, five compounds, labeled CMNPD30598, CMNPD27464, CMNPD25971, CMNPD27444, and CMNPD16599, demonstrated superior re-docking energies compared to the reference, suggesting a stronger interaction with the RdRp allosteric site. Subsequent molecular dynamics (MD) simulations provided insights into the stability of these complexes over time, reinforcing their potential as RdRp inhibitors. Additionally, the calculation of free binding energies and principal component analysis (PCA) of the free energy landscape offered a deeper understanding of the binding dynamics and energetics. This study not only highlights the utility of marine fungi compounds in antiviral drug discovery but also showcases the power of computational tools in identifying novel therapeutics. The identified compounds represent promising candidates for further experimental validation and development as ZIKV RdRp inhibitors.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Pradeep Sharma
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, India
| | - Mahmoud Moustafa
- Department of Biology, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Mohammed Al-Shehri
- Department of Biology, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Faisal Alotaibi
- Department of Pharmacy Practice, College of Pharmacy, Shaqra University, Shaqraa, Saudi Arabia
| | - Rima Bhardwaj
- Department of Chemistry, Poona College, Savitribai Phule Pune University, Pune, India
| | - Indrakant K Singh
- Molecular Biology Research Lab, Department of Zoology, Deshbandhu College, University of Delhi, Delhi, India
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Alshammari SO. Marine Brown Algae-Derived Compounds as Potential Inhibitors of Japanese Encephalitis Virus RNA-Dependent RNA Polymerase. Mar Drugs 2024; 22:92. [PMID: 38393063 PMCID: PMC10890675 DOI: 10.3390/md22020092] [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: 01/22/2024] [Revised: 02/07/2024] [Accepted: 02/12/2024] [Indexed: 02/25/2024] Open
Abstract
The Japanese encephalitis virus (JEV) is a mosquito-borne flavivirus that primarily affects people in Asia and seriously threatens public health. Considering the rising occurrence rates and lack of targeted antiviral treatments, it is essential to comprehend and tackle obstacles related to JEV in order to lessen its influence on world health. This investigation explores compounds derived from marine brown algae (Phaeophyceae) as potential inhibitors of JEV RNA-dependent RNA polymerase (RdRp), a critical enzyme in the virus's replication cycle. Employing the computational virtual screen approach, four compounds, i.e., CMNPD16749, CMNPD2606, CMNPD27817, and CMNPD23662, with favorable binding energies ranging from -15.7 Kcal/mol to -13.9 kcal/mol were identified. Subsequently, through molecular docking analysis, the interactions responsible for the binding stability between the target protein and hit molecules compared to the reference molecule Galidesvir were studied. Further, through extensive molecular dynamic (MD) simulation studies at 200 ns, it was confirmed that each docked complex showed acceptable dynamic stability compared to the reference molecule. These findings were further validated using MM/PBSA free binding energy calculations, PCA analysis and free energy landscape construction. These computational findings suggested that the brown algae-derived compounds may act as an antiviral drug against JEV infection and lay a crucial foundation for future experimental studies against JEV.
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Affiliation(s)
- Saud O Alshammari
- Department of Pharmacognosy and Alternative Medicine, Faculty of Pharmacy, Northern Border University, Rafha 76321, Saudi Arabia
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Jayaraman M, Gosu V, Kumar R, Jeyaraman J. Computational insights into potential marine natural products as selective inhibitors of Mycobacterium tuberculosis InhA: A structure-based virtual screening study. Comput Biol Chem 2024; 108:107991. [PMID: 38086160 DOI: 10.1016/j.compbiolchem.2023.107991] [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: 10/18/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 01/22/2024]
Abstract
Several factors are associated with the emergence of drug resistance mechanisms, such as impermeable cell walls, gene mutations, and drug efflux systems. Consequently, bacteria acquire resistance, leading to a decrease in drug efficacy. A new and innovative strategy is required to combat drug resistance in tuberculosis (TB) effectively. Therefore, targeting the mycolic acid biosynthesis pathway, which is involved in synthesising mycolic acids (MAs), essential structural components responsible for mycobacterial pathogenicity, has garnered interest in TB research and the concept of drug resistance. In this context, InhA, which plays a crucial role in the fatty acid synthase-II (FAS-II) system of the MA biosynthetic pathway, was selected as a druggable target for screening investigation. To identify potential lead molecules against InhA, diverse marine natural products (MNPs) were collected from the comprehensive marine natural products database (CMNPD). Virtual screening studies aided in selecting potential lead molecules that best fit within the substrate-binding pocket (SBP) of InhA, forming crucial hydrogen bond interaction with the catalytic residue Tyr158. Three MNPs, CMNPD30814, CMNPD1702, and CMNPD27355, were chosen as prospective alternative molecules due to their favorable pharmacokinetic properties and lack of toxicity according to ProTox-II predictions. Additionally, improved reactivity of the MNPs was observed in the results of density functional theory (DFT) studies. Furthermore, comparative molecular dynamics simulation (MDS), principal component (PC)-based free energy landscape (FEL) analysis, and molecular mechanics Poisson-Boltzmann surface area (MM-PBSA) were employed to show enhanced structural stability, increased H-bond potential, and high binding affinity toward the target InhA. Moreover, the hot spot residues that contributed to the high binding energy profile and anchored the stability of the complexes were revealed with their individual interaction energy. The computational insights from this study provide potential avenues to combat TB through the multifaceted mode of action of these marine lead molecules, which can be further explored in future experimental investigations.
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Affiliation(s)
- Manikandan Jayaraman
- Structural Biology and Biocomputing Lab, Department of Bioinformatics, Alagappa University, Karaikudi, Tamil Nadu 630004, India
| | - Vijayakumar Gosu
- Department of Animal Biotechnology, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Rajalakshmi Kumar
- Mahatma Gandhi Medical Advanced Research Institute, Sri Balaji Vidyapeeth (Deemed to be University), Pillayarkuppam, Puducherry 607402, India
| | - Jeyakanthan Jeyaraman
- Structural Biology and Biocomputing Lab, Department of Bioinformatics, Alagappa University, Karaikudi, Tamil Nadu 630004, India; Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India.
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Barzkar N, Sukhikh S, Babich O. Study of marine microorganism metabolites: new resources for bioactive natural products. Front Microbiol 2024; 14:1285902. [PMID: 38260902 PMCID: PMC10800913 DOI: 10.3389/fmicb.2023.1285902] [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: 08/30/2023] [Accepted: 12/04/2023] [Indexed: 01/24/2024] Open
Abstract
The marine environment has remained a source of novel biological molecules with diversified applications. The ecological and biological diversity, along with a unique physical environment, have provided the evolutionary advantage to the plant, animals and microbial species thriving in the marine ecosystem. In light of the fact that marine microorganisms frequently interact symbiotically or mutualistically with higher species including corals, fish, sponges, and algae, this paper intends to examine the potential of marine microorganisms as a niche for marine bacteria. This review aims to analyze and summarize modern literature data on the biotechnological potential of marine fungi and bacteria as producers of a wide range of practically valuable products (surfactants, glyco-and lipopeptides, exopolysaccharides, enzymes, and metabolites with different biological activities: antimicrobial, antitumor, and cytotoxic). Hence, the study on bioactive secondary metabolites from marine microorganisms is the need of the hour. The scientific novelty of the study lies in the fact that for the first time, the data on new resources for obtaining biologically active natural products - metabolites of marine bacteria and fungi - were generalized. The review investigates the various kinds of natural products derived from marine microorganisms, specifically focusing on marine bacteria and fungi as a valuable source for new natural products. It provides a summary of the data regarding the antibacterial, antimalarial, anticarcinogenic, antibiofilm, and anti-inflammatory effects demonstrated by marine microorganisms. There is currently a great need for scientific and applied research on bioactive secondary metabolites of marine microorganisms from the standpoint of human and animal health.
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Affiliation(s)
- Noora Barzkar
- Department of Agro-Industrial Technology, Faculty of Applied Science, Food and Agro-Industrial Research Center, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
| | - Stanislav Sukhikh
- Research and Education Center “Industrial Biotechnologies”, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Olga Babich
- Research and Education Center “Industrial Biotechnologies”, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
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Flores-Holguín N, Salas-Leiva JS, Núñez-Vázquez EJ, Tovar-Ramírez D, Glossman-Mitnik D. Marine Toxins as Pharmaceutical Treasure Troves: A Focus on Saxitoxin Derivatives from a Computational Point of View. Molecules 2024; 29:275. [PMID: 38202857 PMCID: PMC10780485 DOI: 10.3390/molecules29010275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 12/30/2023] [Accepted: 12/31/2023] [Indexed: 01/12/2024] Open
Abstract
This work highlights the significant potential of marine toxins, particularly saxitoxin (STX) and its derivatives, in the exploration of novel pharmaceuticals. These toxins, produced by aquatic microorganisms and collected by bivalve mollusks and other filter-feeding organisms, offer a vast reservoir of chemical and biological diversity. They interact with sodium channels in physiological processes, affecting various functions in organisms. Exposure to these toxins can lead to symptoms ranging from tingling sensations to respiratory failure and cardiovascular shock, with STX being one of the most potent. The structural diversity of STX derivatives, categorized into carbamate, N-sulfocarbamoyl, decarbamoyl, and deoxydecarbamoyl toxins, offers potential for drug development. The research described in this work aimed to computationally characterize 18 STX derivatives, exploring their reactivity properties within marine sponges using conceptual density functional theory (CDFT) techniques. Additionally, their pharmacokinetic properties, bioavailability, and drug-likeness scores were assessed. The outcomes of this research were the chemical reactivity parameters calculated via CDFT as well as the estimated pharmacokinetic and ADME properties derived using computational tools. While they may not align directly, the integration of these distinct datasets enriches our comprehensive understanding of the compound's properties and potential applications. Thus, this study holds promise for uncovering new pharmaceutical candidates from the considered marine toxins.
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Affiliation(s)
- Norma Flores-Holguín
- Centro de Investigación en Materiales Avanzados, Miguel de Cervantes 120, Complejo Industrial Chihuahua, Chihuahua 31136, Chih, Mexico; (J.S.S.-L.); (D.G.-M.)
| | - Joan S. Salas-Leiva
- Centro de Investigación en Materiales Avanzados, Miguel de Cervantes 120, Complejo Industrial Chihuahua, Chihuahua 31136, Chih, Mexico; (J.S.S.-L.); (D.G.-M.)
| | - Erick J. Núñez-Vázquez
- Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Sur, La Paz 23096, BCS, Mexico; (E.J.N.-V.); (D.T.-R.)
| | - Dariel Tovar-Ramírez
- Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Sur, La Paz 23096, BCS, Mexico; (E.J.N.-V.); (D.T.-R.)
| | - Daniel Glossman-Mitnik
- Centro de Investigación en Materiales Avanzados, Miguel de Cervantes 120, Complejo Industrial Chihuahua, Chihuahua 31136, Chih, Mexico; (J.S.S.-L.); (D.G.-M.)
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Bettio D, Page G, Thoreau V. Blue marine therapy: Sea as a trove of natural anticancer drugs. ANNALES PHARMACEUTIQUES FRANÇAISES 2023; 81:935-941. [PMID: 37328028 DOI: 10.1016/j.pharma.2023.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/31/2023] [Accepted: 06/10/2023] [Indexed: 06/18/2023]
Abstract
The great variability of marine habitats and the species that live there allows the development of organisms with unique characteristics. These represent an excellent source of natural compounds and are therefore interesting in the search for new bioactive molecules. In recent years, many marine-based drugs have been commercialized or are currently under investigation, mainly in the treatment of cancer. This mini-review summarizes the marine-based drugs currently marketed and presents a non-exhaustive list of molecules currently in clinical trials, as monotherapy but also in combination with classical anticancer treatments.
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Affiliation(s)
- Delphine Bettio
- University of Poitiers, Medicine and Pharmacy Faculty, bâtiment D1, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers cedex 9, France.
| | - Guylène Page
- University of Poitiers, Medicine and Pharmacy Faculty, bâtiment D1, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers cedex 9, France; University of Poitiers, Neurovascular Unit and Cognitive Disorders (NEUVACOD), Pôle biologie santé, 1, rue Georges-Bonnet, TSA 51106, 86073 Poitiers cedex 9, France
| | - Vincent Thoreau
- University of Poitiers, Medicine and Pharmacy Faculty, bâtiment D1, 6 rue de la Milétrie, TSA 51115, 86073 Poitiers cedex 9, France; University of Poitiers, Neurovascular Unit and Cognitive Disorders (NEUVACOD), Pôle biologie santé, 1, rue Georges-Bonnet, TSA 51106, 86073 Poitiers cedex 9, France
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Guryanova SV, Balandin SV, Belogurova-Ovchinnikova OY, Ovchinnikova TV. Marine Invertebrate Antimicrobial Peptides and Their Potential as Novel Peptide Antibiotics. Mar Drugs 2023; 21:503. [PMID: 37888438 PMCID: PMC10608444 DOI: 10.3390/md21100503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 09/14/2023] [Accepted: 09/21/2023] [Indexed: 10/28/2023] Open
Abstract
Marine invertebrates constantly interact with a wide range of microorganisms in their aquatic environment and possess an effective defense system that has enabled their existence for millions of years. Their lack of acquired immunity sets marine invertebrates apart from other marine animals. Invertebrates could rely on their innate immunity, providing the first line of defense, survival, and thriving. The innate immune system of marine invertebrates includes various biologically active compounds, and specifically, antimicrobial peptides. Nowadays, there is a revive of interest in these peptides due to the urgent need to discover novel drugs against antibiotic-resistant bacterial strains, a pressing global concern in modern healthcare. Modern technologies offer extensive possibilities for the development of innovative drugs based on these compounds, which can act against bacteria, fungi, protozoa, and viruses. This review focuses on structural peculiarities, biological functions, gene expression, biosynthesis, mechanisms of antimicrobial action, regulatory activities, and prospects for the therapeutic use of antimicrobial peptides derived from marine invertebrates.
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Affiliation(s)
- Svetlana V. Guryanova
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (S.V.G.); (S.V.B.)
- Medical Institute, Peoples’ Friendship University of Russia, 117198 Moscow, Russia
| | - Sergey V. Balandin
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (S.V.G.); (S.V.B.)
| | | | - Tatiana V. Ovchinnikova
- M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia; (S.V.G.); (S.V.B.)
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141701 Dolgoprudny, Russia;
- Department of Biotechnology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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Labes A. Marine Resources Offer New Compounds and Strategies for the Treatment of Skin and Soft Tissue Infections. Mar Drugs 2023; 21:387. [PMID: 37504918 PMCID: PMC10381745 DOI: 10.3390/md21070387] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023] Open
Abstract
Bioprospecting of the marine environment for drug development has gained much attention in recent years owing to its massive chemical and biological diversity. Drugs for the treatment of skin and soft tissue infections have become part of the search, mainly with respect to enlarging the number of available antibiotics, with a special focus on multidrug-resistant Gram-positive bacteria, being the major causative agents in this field. Marine resources offer novel natural products with distinct biological activities of pharmaceutical importance, having the chance to provide new chemical scaffolds and new modes of action. New studies advance the field by proposing new strategies derived from an ecosystemic understanding for preventive activities against biofilms and new compounds suitable as disinfectants, which sustain the natural flora of the skin. Still, the development of new compounds is often stuck at the discovery level, as marine biotechnology also needs to overcome technological bottlenecks in drug development. This review summarizes its potential and shows these bottlenecks and new approaches.
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Affiliation(s)
- Antje Labes
- Department of Energy and Biotechnology, Flensburg University of Applied Sciences ZAiT, Kanzleistraße 91-93, D-24943 Flensburg, Germany
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