1
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Jabeen Y, Yousaf N, Sarjadi MS, Gansau JA, Goh LPW. Bioactive compounds derived from marine source: a potential immunotherapy treatment. J Biomol Struct Dyn 2024; 42:5657-5668. [PMID: 37387587 DOI: 10.1080/07391102.2023.2227717] [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: 01/04/2023] [Accepted: 06/15/2023] [Indexed: 07/01/2023]
Abstract
Immunotherapy using checkpoint inhibitors blocks the checkpoint proteins (programmed cell death receptor-1; PD-1) from binding with their corresponding ligands (programmed cell death receptor ligand-1; PD-L1) to regulate cell signaling pathways. The marine environment holds a huge source of small molecules that are understudied which can be developed as an inhibitor. Hence, this study investigated the inhibitory effect of 19 algae-derived small molecules against PD-L1 by using molecular docking, absorption, distribution, metabolism, and elimination (ADME) properties and molecular dynamics simulations (MDS). The molecular docking revealed that the binding energy of the six best compounds ranges from -11.1 to -9.1 kcal/mol. Fucoxanthinol, in particular, has the strongest binding energy at -11.1 kcal/mol with three hydrogen bonds (ASN:63A, GLN:66A, and ASP:122A). Meanwhile, the MDS demonstrated that the ligands were strongly bound to the protein, indicating the stability of the complexes. In summary, the identified compounds are potential PD-L1 inhibitors in immunotherapy.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Yaruq Jabeen
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
| | - Numan Yousaf
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
| | - Mohd Sani Sarjadi
- Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia
| | - Jualang Azlan Gansau
- Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia
| | - Lucky Poh Wah Goh
- Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia
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2
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Rai T, Kaushik N, Malviya R, Sharma PK. A review on marine source as anticancer agents. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024; 26:415-451. [PMID: 37675579 DOI: 10.1080/10286020.2023.2249825] [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: 01/13/2023] [Accepted: 08/15/2023] [Indexed: 09/08/2023]
Abstract
This review investigates the potential of natural compounds obtained from marine sources for the treatment of cancer. The oceans are believed to contain physiologically active compounds, such as alkaloids, nucleosides, macrolides, and polyketides, which have shown promising effects in slowing human tumor cells both in vivo and in vitro. Various marine species, including algae, mollusks, actinomycetes, fungi, sponges, and soft corals, have been studied for their bioactive metabolites with diverse chemical structures. The review explores the therapeutic potential of various marine-derived substances and discusses their possible applications in cancer treatment.
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Affiliation(s)
- Tamanna Rai
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
| | - Niranjan Kaushik
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
| | - Pramod Kumar Sharma
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Gautam Budh Nagar, Greater Noida, Uttar Pradesh 201306, India
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3
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Chukwudulue UM, Barger N, Dubovis M, Luzzatto Knaan T. Natural Products and Pharmacological Properties of Symbiotic Bacillota (Firmicutes) of Marine Macroalgae. Mar Drugs 2023; 21:569. [PMID: 37999393 PMCID: PMC10672036 DOI: 10.3390/md21110569] [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: 10/06/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 11/25/2023] Open
Abstract
The shift from the terrestrial to the marine environment to discover natural products has given rise to novel bioactive compounds, some of which have been approved for human medicine. However, the ocean, which makes up nearly three-quarters of the Earth's surface, contains macro- and microorganisms whose natural products are yet to be explored. Among these underexplored marine organisms are macroalgae and their symbiotic microbes, such as Bacillota, a phylum of mostly Gram-positive bacteria previously known as Firmicutes. Macroalgae-associated Bacillota often produce chemical compounds that protect them and their hosts from competitive and harmful rivals. Here, we summarised the natural products made by macroalgae-associated Bacillota and their pharmacological properties. We discovered that these Bacillota are efficient producers of novel biologically active molecules. However, only a few macroalgae had been investigated for chemical constituents of their Bacillota: nine brown, five red and one green algae. Thus, Bacillota, especially from the marine habitat, should be investigated for potential pharmaceutical leads. Moreover, additional diverse biological assays for the isolated molecules of macroalgae Bacillota should be implemented to expand their bioactivity profiles, as only antibacterial properties were tested for most compounds.
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Affiliation(s)
| | | | | | - Tal Luzzatto Knaan
- Department of Marine Biology, The Charney School of Marine Sciences, University of Haifa, Mount Carmel, Haifa 103301, Israel; (U.M.C.); (N.B.); (M.D.)
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4
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Thaman J, Pal RS, Chaitanya MVNL, Yanadaiah P, Thangavelu P, Sharma S, Amoateng P, Arora S, Sivasankaran P, Pandey P, Mazumder A. Reconciling the Gap between Medications and their Potential Leads: The Role of Marine Metabolites in the Discovery of New Anticancer Drugs: A Comprehensive Review. Curr Pharm Des 2023; 29:3137-3153. [PMID: 38031774 DOI: 10.2174/0113816128272025231106071447] [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: 07/28/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 12/01/2023]
Abstract
One-third of people will be diagnosed with cancer at some point in their lives, making it the second leading cause of death globally each year after cardiovascular disease. The complex anticancer molecular mechanisms have been understood clearly with the advent of improved genomic, proteomic, and bioinformatics. Our understanding of the complex interplay between numerous genes and regulatory genetic components within cells explaining how this might lead to malignant phenotypes has greatly expanded. It was discovered that epigenetic resistance and a lack of multitargeting drugs were highlighted as major barriers to cancer treatment, spurring the search for innovative anticancer treatments. It was discovered that epigenetic resistance and a lack of multitargeting drugs were highlighted as major barriers to cancer treatment, spurring the search for innovative anticancer treatments. Many popular anticancer drugs, including irinotecan, vincristine, etoposide, and paclitaxel, have botanical origins. Actinomycin D and mitomycin C come from bacteria, while bleomycin and curacin come from marine creatures. However, there is a lack of research evaluating the potential of algae-based anticancer treatments, especially in terms of their molecular mechanisms. Despite increasing interest in the former, and the promise of the compounds to treat tumours that have been resistant to existing treatment, pharmaceutical development of these compounds has lagged. Thus, the current review focuses on the key algal sources that have been exploited as anticancer therapeutic leads, including their biological origins, phytochemistry, and the challenges involved in converting such leads into effective anticancer drugs.
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Affiliation(s)
- Janvee Thaman
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144402, India
| | - Rashmi Saxena Pal
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144402, India
| | | | - Palakurthi Yanadaiah
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144402, India
| | - Prabha Thangavelu
- Department of Pharmaceutical Chemistry, Nandha College of Pharmacy, Affiliated to The Tamil Nadu Dr. MGR Medical University, Erode 638052, Tamil Nadu, India
| | - Sarika Sharma
- Department of Sponsored Research, Division of Research & Development, Lovely Professional University, Phagwara 144402, India
| | - Patrick Amoateng
- Department of Pharmacology & Toxicology, School of Pharmacy, University of Ghana, Legon, Accra, Ghana
| | - Smriti Arora
- Department of Biotechnology, School of Allied Health Sciences, University of Petroleum & Energy Studies (UPES), Bidholi, Dehradun 248007, India
| | - Ponnusankar Sivasankaran
- Department of Pharmacy Practice, JSS College of Pharmacy (JSS Academy of Higher Education and Research), Rocklands, Ooty 643001, Tamil Nadu, India
| | - Pratibha Pandey
- Department of Life Sciences, Noida Institute of Engineering & Technology, Gautam Buddh Nagar, 19, Knowledge Park-II, 22, Institutional Area, Greater Noida 201306, India
| | - Avijit Mazumder
- School of Pharmacy, Niet Pharmacy Institute c Block, Noida Institute of Engineering & Technology (Pharmacy Institute), 24 Gautam Buddh Nagar, 19, Knowledge Park-II, Institutional Area, Greater Noida 201306, India
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5
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Jiang Y, Liu M, Wang M, Lei Y, Ding Q, Wu H, Huang X. Unexpected synthesis, delayed emission and solid-state acidochromism of novel 2,7-naphthyridine derivatives obtained from 2-(3,5-diaryl-4 H-pyran-4-ylidene)malononitrile. Org Biomol Chem 2022; 20:7770-7775. [PMID: 36165885 DOI: 10.1039/d2ob01336c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two novel 2,7-naphthyridine derivatives are unexpectedly synthesized by the reaction of 2-(3,5-diaryl-4H-pyran-4-ylidene)malononitrile and benzylamine, and are achieved through different ring-closing mechanisms. These two derivatives with twisted molecular conformations display phosphorescence, thermally activated delayed fluorescence, and high contrast solid-state acidochromism due to special chemical structures.
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Affiliation(s)
- Yitian Jiang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, P. R. China.
| | - Miaochang Liu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, P. R. China. .,Key Laboratory of Functional Small Organic Molecules, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, P. R. China.
| | - Mengzhu Wang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, P. R. China.
| | - Yunxiang Lei
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, P. R. China.
| | - Qiuping Ding
- Key Laboratory of Functional Small Organic Molecules, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, P. R. China.
| | - Huayue Wu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, P. R. China.
| | - Xiaobo Huang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, P. R. China.
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6
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Budzałek G, Śliwińska-Wilczewska S, Wiśniewska K, Wochna A, Bubak I, Latała A, Wiktor JM. Macroalgal Defense against Competitors and Herbivores. Int J Mol Sci 2021; 22:7865. [PMID: 34360628 PMCID: PMC8346039 DOI: 10.3390/ijms22157865] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/19/2021] [Accepted: 07/22/2021] [Indexed: 11/02/2022] Open
Abstract
Macroalgae are the source of many harmful allelopathic compounds, which are synthesized as a defense strategy against competitors and herbivores. Therefore, it can be predicted that certain species reduce aquaculture performance. Herein, the allelopathic ability of 123 different taxa of green, red, and brown algae have been summarized based on literature reports. Research on macroalgae and their allelopathic effects on other animal organisms was conducted primarily in Australia, Mexico, and the United States. Nevertheless, there are also several scientific reports in this field from South America and Asia; the study areas in the latter continents coincide with areas where aquaculture is highly developed and widely practiced. Therefore, the allelopathic activity of macroalgae on coexisting animals is an issue that is worth careful investigation. In this work, we characterize the distribution of allelopathic macroalgae and compare them with aquaculture locations, describe the methods for the study of macroalgal allelopathy, present the taxonomic position of allelopathic macroalgae and their impact on coexisting aquatic competitors (Cnidaria) and herbivores (Annelida, Echinodermata, Arthropoda, Mollusca, and Chordata), and compile information on allelopathic compounds produced by different macroalgae species. This work gathers the current knowledge on the phenomenon of macroalgal allelopathy and their allelochemicals affecting aquatic animal (competitors and predators) worldwide and it provides future research directions for this topic.
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Affiliation(s)
- Gracjana Budzałek
- Division of Marine Ecosystems Functioning, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland; (G.B.); (A.L.)
| | - Sylwia Śliwińska-Wilczewska
- Division of Marine Ecosystems Functioning, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland; (G.B.); (A.L.)
| | - Kinga Wiśniewska
- Division of Marine Chemistry and Environmental Protection, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland;
| | - Agnieszka Wochna
- GIS Centre, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland;
| | - Iwona Bubak
- Division of Hydrology, Institute of Geography, University of Gdansk, P-80-309 Gdańsk, Poland;
| | - Adam Latała
- Division of Marine Ecosystems Functioning, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland; (G.B.); (A.L.)
| | - Józef Maria Wiktor
- Department of Marine Ecology, Institute of Oceanology of the Polish Academy of Sciences, P-81-779 Sopot, Poland;
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7
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Chabowska G, Barg E, Wójcicka A. Biological Activity of Naturally Derived Naphthyridines. Molecules 2021; 26:4324. [PMID: 34299599 PMCID: PMC8306249 DOI: 10.3390/molecules26144324] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/11/2021] [Accepted: 07/13/2021] [Indexed: 11/16/2022] Open
Abstract
Marine and terrestrial environments are rich sources of various bioactive substances, which have been used by humans since prehistoric times. Nowadays, due to advances in chemical sciences, new substances are still discovered, and their chemical structures and biological properties are constantly explored. Drugs obtained from natural sources are used commonly in medicine, particularly in cancer and infectious diseases treatment. Naphthyridines, isolated mainly from marine organisms and terrestrial plants, represent prominent examples of naturally derived agents. They are a class of heterocyclic compounds containing a fused system of two pyridine rings, possessing six isomers depending on the nitrogen atom's location. In this review, biological activity of naphthyridines obtained from various natural sources was summarized. According to previous studies, the naphthyridine alkaloids displayed multiple activities, i.a., antiinfectious, anticancer, neurological, psychotropic, affecting cardiovascular system, and immune response. Their wide range of activity makes them a fascinating object of research with prospects for use in therapeutic purposes.
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Affiliation(s)
- Gabriela Chabowska
- Department of Basic Medical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland;
| | - Ewa Barg
- Department of Basic Medical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland;
| | - Anna Wójcicka
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland
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8
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Alghazeer R, Azwai S, Garbaj AM, Amr A, Elghmasi S, Sidati M, Yudiati E, Kubbat MG, Eskandrani AA, Shamlan G, Alansari WS. Alkaloids Rich Extracts from Brown Algae Against Multidrug-Resistant Bacteria by Distinctive Mode of Action. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2021. [DOI: 10.1007/s13369-021-05592-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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9
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Imtiaz S, Ahmad War J, Banoo S, Khan S. α-Aminoazoles/azines: key reaction partners for multicomponent reactions. RSC Adv 2021; 11:11083-11165. [PMID: 35423648 PMCID: PMC8695948 DOI: 10.1039/d1ra00392e] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 02/23/2021] [Indexed: 12/28/2022] Open
Abstract
Aromatic α-aminoazaheterocycles are the focus of significant investigations and exploration by researchers owing to their key role in diverse biological and physiological processes. The existence of their derivatives in numerous drugs and alkaloids is due to their heterocyclic nitrogenous nature. Therefore, the synthesis of a structurally diverse range of their derivatives through simple and convenient methods represents a vital field of synthetic organic chemistry. Multicomponent reactions (MCRs) provide a platform to introduce desirable structure diversity and complexity into a molecule in a single operation with a significant reduction in the use of harmful organic waste, and hence have attracted particular attention as an excellent tool to access these derivatives. This review covers the advances made from 2010 to the beginning of 2020 in terms of the utilization of α-aminoazaheterocycles as synthetic precursors in MCRs.
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Affiliation(s)
- Shah Imtiaz
- Department of Chemistry, Aligarh Muslim University Aligarh India-202002
| | - Jahangir Ahmad War
- Department of Chemistry, National Institute of Technology Kashmir India-190006
| | - Syqa Banoo
- Department of Chemistry, Mangalayatan University Beswan Aligarh India-202146
| | - Sarfaraz Khan
- Department of Chemistry, Aligarh Muslim University Aligarh India-202002
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10
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Lavanya M, Lin C, Mao J, Thirumalai D, Aabaka SR, Yang X, Mao J, Huang Z, Zhao J. Synthesis and Anticancer Properties of Functionalized 1,6-Naphthyridines. Top Curr Chem (Cham) 2021; 379:13. [PMID: 33624162 DOI: 10.1007/s41061-020-00314-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 11/12/2020] [Indexed: 12/29/2022]
Abstract
The burgeoning interest in synthesis and biological applications of 1,6-naphthyridines reflects the importance of 1,6-naphthyridines in the synthetic as well as medicinal chemistry fields. Specially, 1,6-naphthyridines are pharmacologically active, with variety of applications such as anticancer, anti-human immunodeficiency virus (HIV), anti-microbial, analgesic, anti-inflammatory and anti-oxidant activities. Although collective recent synthetic developments have paved a path to a wide range of functionalized 1,6-naphthyridines, a complete correlation of synthesis with biological activity remains elusive. The current review focuses on recent synthetic developments from the last decade and a thorough study of the anticancer activity of 1,6-naphthyridines on different cancer cell lines. Anticancer activity has been correlated to 1,6-naphthyridines using the literature on the structure-activity relationship (SAR) along with molecular modeling studies. Exceptionally, at the end of this review, the utility of 1,6-naphthyridines displaying activities other than anticancer has also been included as a glimmering extension.
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Affiliation(s)
- Mallu Lavanya
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, Xindu, People's Republic of China.,School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, 610500, People's Republic of China
| | - Chong Lin
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, Xindu, People's Republic of China.
| | - Jincheng Mao
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, Xindu, People's Republic of China.
| | | | - Sreenath Reddy Aabaka
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, Xindu, People's Republic of China
| | - Xiaojiang Yang
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, Xindu, People's Republic of China
| | - Jinhua Mao
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, Xindu, People's Republic of China
| | - Zhiyu Huang
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, 610500, People's Republic of China
| | - Jinzhou Zhao
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, Xindu, People's Republic of China
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11
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Quetglas-Llabrés MM, Tejada S, Capó X, Langley E, Sureda A, Box A. Antioxidant response of the sea urchin Paracentrotus lividus to pollution and the invasive algae Lophocladia lallemandii. CHEMOSPHERE 2020; 261:127773. [PMID: 32736247 DOI: 10.1016/j.chemosphere.2020.127773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 05/04/2023]
Abstract
Pollution derived from human activities and the arrival of invasive species are common worldwide and affect coastal marine ecosystems negatively, and more especially in a semi-closed sea such as the Mediterranean Sea. The aim of the study was to evaluate oxidative stress biomarkers in the gonadal tissue of the sea urchin Paracentrotus lividus (Lamarck, 1816) sampled in different areas of Sant Antoni de Portmany (Ibiza Island, Spain) with different anthropic activities, and in an area deeply covered by the invasive red algae Lophocladia lallemandii. The densities of P. lividus were higher in the area with the greatest anthropogenic influence, while the area invaded by L. lallemandii showed the lowest density. A significant increase in the activities of the antioxidant enzymes catalase, superoxide dismutase (SOD), glutathione peroxidase (GPx) and glutathione reductase (GRd) and the phase II detoxifying enzyme glutathione S-transferase (GST) was found in the most impacted area by the human activity. Moreover, malondialdehyde (MDA) and nitrite levels were also increased in the most impacted area. Similarly, the presence of L. lallemandii induced oxidative stress in P. lividus evidenced by a significant increase in all analysed biomarkers. In conclusion, changes in oxidative stress biomarkers are a good proxy to evaluate the impacts induced by anthropogenic activities and by the presence of invasive algae to P. lividus.
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Affiliation(s)
- Maria Magdalena Quetglas-Llabrés
- Grup de Nutrició Comunitària i Estrès Oxidatiu, IUNICS, Departament de Biologia Fonamental i Ciències de la Salut, Universitat de les Illes Balears, E-07122, Palma de Mallorca, Spain; Instituto de Investigación Sanitaria Illes Balears (IdISBa), E-07120, Palma de Mallorca, Spain
| | - Silvia Tejada
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), E-07120, Palma de Mallorca, Spain; CIBEROBN (Physiopathology of Obesity and Nutrition), University of Balearic Islands, Palma de Mallorca, Spain; Laboratory of Neurophysiology, Department of Biology, University of the Balearic Islands, E-07122, Palma de Mallorca, Spain
| | - Xavier Capó
- Grup de Nutrició Comunitària i Estrès Oxidatiu, IUNICS, Departament de Biologia Fonamental i Ciències de la Salut, Universitat de les Illes Balears, E-07122, Palma de Mallorca, Spain; Instituto Español de Oceanografía, Centro Oceanográfico de Baleares, Muelle de Poniente s/n, E-07015, Palma de Mallorca, Spain
| | - Eli Langley
- CREM, Aquari Cap Blanc. Ctra. Cala Gració. Sant Antoni de Portmany, E-07820, Ibiza, Balearic Islands, Spain
| | - Antoni Sureda
- Grup de Nutrició Comunitària i Estrès Oxidatiu, IUNICS, Departament de Biologia Fonamental i Ciències de la Salut, Universitat de les Illes Balears, E-07122, Palma de Mallorca, Spain; Instituto de Investigación Sanitaria Illes Balears (IdISBa), E-07120, Palma de Mallorca, Spain; CIBEROBN (Physiopathology of Obesity and Nutrition), University of Balearic Islands, Palma de Mallorca, Spain.
| | - Antonio Box
- Consell Insular d'Eivissa, Dep. Agricultura, Ramaderia, Pesca, Caça i Cooperació Municipal. Av. Espanya nº49, E-07800 Ibiza, Balearic Islands, Spain.
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12
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Wang MS, Xu HC, Gong Y, Qu RY, Zhuo LS, Huang W. Efficient Arylation of 2,7-Naphthyridin-1(2 H)-one with Diaryliodonium Salts and Discovery of a New Selective MET/AXL Kinase Inhibitor. ACS COMBINATORIAL SCIENCE 2020; 22:457-467. [PMID: 32589005 DOI: 10.1021/acscombsci.0c00074] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
New 8-chloro-2-phenyl-2,7-naphthyridin-1(2H)-one building blocks bearing diverse substitutes on the 2-phenyl group were synthesized via an efficient diaryliodonium salt-based N-arylation strategy with the advantage of mild conditions, short reaction times, and high yields. A small combinatorial library of 8-amino substituted 2-phenyl-2,7-naphthyridin-1(2H)-one was further conveniently constructed based on the above chlorinated naphthyridinones and substituted aniline. Preliminary biochemical screening resulted in the discovery of the new 2,7-naphthyridone-based MET/AXL kinase inhibitors. More importantly, 17c (IC50,MET of 13.8 nM) or 17e (IC50,AXl of 17.2 nM) and 17i (IC50,AXl of 31.8 nM) can efficient selectively inhibit MET or AXL kinase, respectively, while commercial cabozantinib showed no selectivity. The further exploration of the 8-substituted 2-phenyl-2,7-naphthyridin-1(2H)-one combinatorial library would significantly accelerate the discovery of more potent and selective inhibitors against diverse kinases.
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Affiliation(s)
- Ming-Shu Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Hong-Chuang Xu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Yi Gong
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Ren-Yu Qu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Lin-Sheng Zhuo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Wei Huang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
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13
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Buevich AV, Elyashberg ME. Enhancing computer-assisted structure elucidation with DFT analysis of J-couplings. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2020; 58:594-606. [PMID: 31916609 DOI: 10.1002/mrc.4996] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/06/2020] [Accepted: 01/07/2020] [Indexed: 06/10/2023]
Abstract
Computer-assisted structure elucidation (CASE) is the class of expert systems that derives molecular structures primarily from one-dimensional and two-dimensional nuclear magnetic resonance data. Contemporary CASE systems, including Advanced Chemistry Development/Structure Elucidator (ACD/SE), consider cross-peaks in heteronuclear multiple bond coherence (HMBC) and correlation spectroscopy (COSY) spectra as two- or three-bond correlations by default. However, four and more bond correlations (nonstandard correlations [NSCs]) could be present in these spectra too. The indiscriminate addition of NSCs to the CASE computations is prohibitively expensive. To address this problem, the ACD/SE program performs a logical analysis of observed correlations and determines the minimum number of NSCs. Guided by this information, a more efficient fuzzy structure generation (FSG) algorithm is subsequently applied. Until now, the FSG algorithm was utilized without any verification of the reliability of found NSCs. Here, we report a verification method for NSCs based on the relationship between NSCs and J-couplings computed with high accuracy density functional theory (DFT) methods. We used the example of strychnine to show that 41 (32%) of 8-Hz HMBC cross-peaks were NSCs and were consistent with 4-6 JCH couplings greater than 0.3 Hz. This cutoff value was largely confirmed by the analysis of NSCs in 11 real-world natural products elucidated by ACD/SE. Additionally, utilizing the example of the CASE study of cleospinol A, we showed that the DFT-computed J-couplings of NSCs can distinctively differentiate the correct structure among six proposed isomers. The proposed approach of NSC verification should further improve the robustness of CASE analysis and can help reveal potential problems with reported experimental data.
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Affiliation(s)
- Alexei V Buevich
- Department of Discovery and Preclinical Sciences, Process Research and Development, NMR Structure Elucidation, Merck & Co., Inc, Kenilworth, NJ
| | - Mikhail E Elyashberg
- Moscow Department, Advanced Chemistry Development (ACD/Laboratories), Moscow, Russia
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14
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Bilal M, Iqbal HMN. Biologically active macromolecules: Extraction strategies, therapeutic potential and biomedical perspective. Int J Biol Macromol 2020; 151:1-18. [PMID: 32035954 DOI: 10.1016/j.ijbiomac.2020.02.037] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/31/2020] [Accepted: 02/05/2020] [Indexed: 02/05/2023]
Abstract
Marine biome exhibits an immense essence of excellence and enriched with high-value bioactive compounds of therapeutic and biomedical value. During the past several years, an array of biologically active molecules has been extracted/isolated and purified from numerous sources of marine origin with the aid of distinct techniques and methodologies for newer applications. The growing demand for bioactive molecules with unique functionalities in various industrial divisions, such as therapeutic sectors and biomedical, has endorsed the necessity for highly suitable and standardized strategies to extract these bioactive components using a state-of-the-art and inexpensive measures. This is also because many in practice conventional extraction methodologies suffer from processing limitations and low-yield issues. Besides that, other major issues include (i) decrease efficacy, (ii) excessive energy cost, (iii) low yield, (iv) lower cost-effective ratio, (v) minimal selectivity, (vi) low activity, and (vii) stability, etc. In this context, there is an urgent need for new and robust extraction strategies. The synergies of modern extraction techniques with efficient and novel pretreatment approaches, such as the integration of enzymes, accompanied by conventional extraction processes, should be the utmost goal of current research and development studies. The typical effectivity of the extraction techniques mostly relies on these points, i.e., (i) know-how about the source nature and type, (ii) understanding the structural and compositional profile, (iii) influence of the processing factors, (iv) interplay between the extraction conditions and the end-product, (v) understanding the available functional entities, (vi) reaction chemistry of the extract bioactive compounds, and (vii) effective exploitation of the end-product in the marketplace. Marine biome, among numerous naturally occurring sources, has been appeared an immense essence of excellence to isolate an array of biologically active constituents with medicinal values and related point-of-care applications. Herein, we reviewed the salient information covering various therapeutic potential and biomedical perspectives. Following a brief introduction and marine pharmacognosy, an array of high-value biomolecules of marine origin are discussed with suitable examples. From the robust extraction strategies viewpoint, a part of the review focuses on three techniques, i.e., (1) enzyme-assisted extraction (EAE), (2) supercritical-fluid extraction (SFE), and (3) microwave-assisted extraction (MAE). Each technique is further enriched with processing and workflow environment. The later part of the review is mainly focused on the therapeutic and biomedical perspectives of under-reviewed bio-active compounds or biomolecules. The previous and latest research on the anticancer, skin curative, cardio-protective, immunomodulatory and UV-protectant potentialities of marine-derived biologically active entities have been summarized with suitable examples and related pathways illustrations. Finally, the work is wrapped-up with current research challenges, future aspects, and concluding remarks.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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15
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Saurav K, Borbone N, Burgsdorf I, Teta R, Caso A, Bar-Shalom R, Esposito G, Britstein M, Steindler L, Costantino V. Identification of Quorum Sensing Activators and Inhibitors in The Marine Sponge Sarcotragus spinosulus. Mar Drugs 2020; 18:md18020127. [PMID: 32093216 PMCID: PMC7074164 DOI: 10.3390/md18020127] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/11/2020] [Accepted: 02/18/2020] [Indexed: 12/27/2022] Open
Abstract
Marine sponges, a well-documented prolific source of natural products, harbor highly diverse microbial communities. Their extracts were previously shown to contain quorum sensing (QS) signal molecules of the N-acyl homoserine lactone (AHL) type, known to orchestrate bacterial gene regulation. Some bacteria and eukaryotic organisms are known to produce molecules that can interfere with QS signaling, thus affecting microbial genetic regulation and function. In the present study, we established the production of both QS signal molecules as well as QS inhibitory (QSI) molecules in the sponge species Sarcotragus spinosulus. A total of eighteen saturated acyl chain AHLs were identified along with six unsaturated acyl chain AHLs. Bioassay-guided purification led to the isolation of two brominated metabolites with QSI activity. The structures of these compounds were elucidated by comparative spectral analysis of 1HNMR and HR-MS data and were identified as 3-bromo-4-methoxyphenethylamine (1) and 5,6-dibromo-N,N-dimethyltryptamine (2). The QSI activity of compounds 1 and 2 was evaluated using reporter gene assays for long- and short-chain AHL signals (Escherichia coli pSB1075 and E. coli pSB401, respectively). QSI activity was further confirmed by measuring dose-dependent inhibition of proteolytic activity and pyocyanin production in Pseudomonas aeruginosa PAO1. The obtained results show the coexistence of QS and QSI in S. spinosulus, a complex signal network that may mediate the orchestrated function of the microbiome within the sponge holobiont.
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Affiliation(s)
- Kumar Saurav
- Department of Marine Biology, Leon H. Charney School of Marine Sciences, University of Haifa, Mt. Carmel 31905, Haifa, Israel; (K.S.); (I.B.); (R.B.-S.); (M.B.); (L.S.)
- The Blue Chemistry Lab, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via D. Montesano 49, 80131, Napoli, Italy; (N.B.); (R.T.); (A.C.); (G.E.)
- Laboratory of Algal Biotechnology-Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, Opatovickýmlýn, Novohradská 237, 379 81 Třeboň, Czech Republic
| | - Nicola Borbone
- The Blue Chemistry Lab, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via D. Montesano 49, 80131, Napoli, Italy; (N.B.); (R.T.); (A.C.); (G.E.)
| | - Ilia Burgsdorf
- Department of Marine Biology, Leon H. Charney School of Marine Sciences, University of Haifa, Mt. Carmel 31905, Haifa, Israel; (K.S.); (I.B.); (R.B.-S.); (M.B.); (L.S.)
| | - Roberta Teta
- The Blue Chemistry Lab, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via D. Montesano 49, 80131, Napoli, Italy; (N.B.); (R.T.); (A.C.); (G.E.)
| | - Alessia Caso
- The Blue Chemistry Lab, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via D. Montesano 49, 80131, Napoli, Italy; (N.B.); (R.T.); (A.C.); (G.E.)
| | - Rinat Bar-Shalom
- Department of Marine Biology, Leon H. Charney School of Marine Sciences, University of Haifa, Mt. Carmel 31905, Haifa, Israel; (K.S.); (I.B.); (R.B.-S.); (M.B.); (L.S.)
| | - Germana Esposito
- The Blue Chemistry Lab, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via D. Montesano 49, 80131, Napoli, Italy; (N.B.); (R.T.); (A.C.); (G.E.)
| | - Maya Britstein
- Department of Marine Biology, Leon H. Charney School of Marine Sciences, University of Haifa, Mt. Carmel 31905, Haifa, Israel; (K.S.); (I.B.); (R.B.-S.); (M.B.); (L.S.)
| | - Laura Steindler
- Department of Marine Biology, Leon H. Charney School of Marine Sciences, University of Haifa, Mt. Carmel 31905, Haifa, Israel; (K.S.); (I.B.); (R.B.-S.); (M.B.); (L.S.)
| | - Valeria Costantino
- The Blue Chemistry Lab, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via D. Montesano 49, 80131, Napoli, Italy; (N.B.); (R.T.); (A.C.); (G.E.)
- Correspondence: ; Tel.: +39-081-678-504
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Discovery of 8-Amino-Substituted 2-Phenyl-2,7-Naphthyridinone Derivatives as New c-Kit/VEGFR-2 Kinase Inhibitors. Molecules 2019; 24:molecules24244461. [PMID: 31817456 PMCID: PMC6943726 DOI: 10.3390/molecules24244461] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 11/30/2019] [Accepted: 12/03/2019] [Indexed: 12/21/2022] Open
Abstract
The 2,7-naphthyridone scaffold has been proposed as a novel lead structure of MET inhibitors by our group. To broaden the application of this new scaffold, a series of 8-amino-substituted 2-phenyl-2,7-naphthyridin-1(2H)-one derivatives were designed and synthesized. Preliminary biological screening resulted in the discovery of a new lead of c-Kit and VEGFR-2 kinase inhibitors. Compound 9k exhibited excellent c-Kit inhibitory activity, with an IC50 value of 8.5 nM, i.e., it is 38.8-fold more potent than compound 3 (IC50 of 329.6 nM). Moreover, the compounds 10l and 10r exhibited good VEGFR-2 inhibitory activity, with IC50 values of 56.5 and 31.7 nM, respectively, i.e., they are 5.0–8.8-fold more potent than compound 3 (IC50 of 279.9 nM). Molecular docking experiments provided further insight into the binding interactions of the new lead compounds with c-Kit and VEGFR-2 kinase. In this study, an 8-amino-substituted 2-phenyl-2,7-naphthyridin-1(2H)-one scaffold was identified as the new lead structure of c-Kit and VEGFR-2 kinase inhibitors.
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Bioactive compounds in seaweeds: An overview of their biological properties and safety. Food Chem Toxicol 2019; 135:111013. [PMID: 31794803 DOI: 10.1016/j.fct.2019.111013] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/20/2019] [Accepted: 11/29/2019] [Indexed: 02/08/2023]
Abstract
Seaweeds are among the significant currently exploited marine plant resources which are gaining full applications in culinary, cosmetic, pharmaceutical, and biotechnological processes. Much attention has been devoted to seaweeds based on their proven health benefits and is considered as a rich source of structurally different bioactive metabolites for the discovery of novel functional food-based pharmacophores/drugs. Nonetheless, there is still a dearth of updated compilation and analysis of the in-depth pharmacological activities of these compounds. This review, therefore, aims to provide a piece of up-to-date detailed information on the major compounds isolated from various seaweed species together with their in-vitro and in-vivo biological properties. These compounds were found to possess broad pharmacological properties and inhibitory enzyme activities against critical enzymes involved in the aetiology of noncommunicable diseases. However, their toxicity, clinical efficacy, mechanisms of action, and interaction with conventional foods, are still less explored and require more attention in future studies.
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Cernadas H, Flórez-Fernández N, González-Muñoz MJ, Domínguez H, Torres MD. Retrieving of high-value biomolecules from edible Himanthalia elongata brown seaweed using hydrothermal processing. FOOD AND BIOPRODUCTS PROCESSING 2019. [DOI: 10.1016/j.fbp.2019.07.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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19
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Khalifa SAM, Elias N, Farag MA, Chen L, Saeed A, Hegazy MEF, Moustafa MS, Abd El-Wahed A, Al-Mousawi SM, Musharraf SG, Chang FR, Iwasaki A, Suenaga K, Alajlani M, Göransson U, El-Seedi HR. Marine Natural Products: A Source of Novel Anticancer Drugs. Mar Drugs 2019; 17:E491. [PMID: 31443597 PMCID: PMC6780632 DOI: 10.3390/md17090491] [Citation(s) in RCA: 265] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/11/2019] [Accepted: 08/16/2019] [Indexed: 02/06/2023] Open
Abstract
Cancer remains one of the most lethal diseases worldwide. There is an urgent need for new drugs with novel modes of action and thus considerable research has been conducted for new anticancer drugs from natural sources, especially plants, microbes and marine organisms. Marine populations represent reservoirs of novel bioactive metabolites with diverse groups of chemical structures. This review highlights the impact of marine organisms, with particular emphasis on marine plants, algae, bacteria, actinomycetes, fungi, sponges and soft corals. Anti-cancer effects of marine natural products in in vitro and in vivo studies were first introduced; their activity in the prevention of tumor formation and the related compound-induced apoptosis and cytotoxicities were tackled. The possible molecular mechanisms behind the biological effects are also presented. The review highlights the diversity of marine organisms, novel chemical structures, and chemical property space. Finally, therapeutic strategies and the present use of marine-derived components, its future direction and limitations are discussed.
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Affiliation(s)
- Shaden A M Khalifa
- Clinical Research Centre, Karolinska University Hospital, Novum, 14157 Huddinge, Stockholm, Sweden
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, SE 106 91 Stockholm, Sweden
| | - Nizar Elias
- Department of Laboratory Medicine, Faculty of Medicine, University of Kalamoon, P.O. Box 222 Dayr Atiyah, Syria
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr el Aini St., P.B. 11562 Cairo, Egypt
- Department of Chemistry, School of Sciences & Engineering, The American University in Cairo, 11835 New Cairo, Egypt
| | - Lei Chen
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Aamer Saeed
- Department of Chemitry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Mohamed-Elamir F Hegazy
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Staudingerweg 5, 55128 Mainz, Germany
- Chemistry of Medicinal Plants Department, National Research Centre, 33 El-Bohouth St., Dokki, 12622 Giza, Egypt
| | - Moustafa S Moustafa
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Aida Abd El-Wahed
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Saleh M Al-Mousawi
- Department of Chemistry, Faculty of Science, University of Kuwait, 13060 Safat, Kuwait
| | - Syed G Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi 75270, Pakistan
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Arihiro Iwasaki
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan
| | - Kiyotake Suenaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan
| | - Muaaz Alajlani
- Department of Pharmaceutical Biology/Pharmacognosy, Institute of Pharmacy, University of HalleWittenberg, Hoher Weg 8, DE 06120 Halle (Saale), Germany
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden
| | - Ulf Göransson
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden
| | - Hesham R El-Seedi
- Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Box 574, SE-75 123 Uppsala, Sweden.
- Department of Chemistry, Faculty of Science, Menoufia University, 32512 Shebin El-Koom, Egypt.
- College of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
- Al-Rayan Research and Innovation Center, Al-Rayan Colleges, 42541 Medina, Saudi Arabia.
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20
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Khalifa SAM, Elias N, Farag MA, Chen L, Saeed A, Hegazy MEF, Moustafa MS, Abd El-Wahed A, Al-Mousawi SM, Musharraf SG, Chang FR, Iwasaki A, Suenaga K, Alajlani M, Göransson U, El-Seedi HR. Marine Natural Products: A Source of Novel Anticancer Drugs. Mar Drugs 2019; 17:491. [DOI: https:/doi.org/10.3390/md17090491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023] Open
Abstract
Cancer remains one of the most lethal diseases worldwide. There is an urgent need for new drugs with novel modes of action and thus considerable research has been conducted for new anticancer drugs from natural sources, especially plants, microbes and marine organisms. Marine populations represent reservoirs of novel bioactive metabolites with diverse groups of chemical structures. This review highlights the impact of marine organisms, with particular emphasis on marine plants, algae, bacteria, actinomycetes, fungi, sponges and soft corals. Anti-cancer effects of marine natural products in in vitro and in vivo studies were first introduced; their activity in the prevention of tumor formation and the related compound-induced apoptosis and cytotoxicities were tackled. The possible molecular mechanisms behind the biological effects are also presented. The review highlights the diversity of marine organisms, novel chemical structures, and chemical property space. Finally, therapeutic strategies and the present use of marine-derived components, its future direction and limitations are discussed.
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21
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Suzdalev KF, Krachkovskaya AV, Borodkin GS, Galenko-Yaroshevsky PA, Tikhonov AV, Kurbatov SV. Reactions of 1H-pyrano[3,4-c]pyran-7-ium perchlorates with ammonium acetate and amines: synthesis of 2,7-naphthyridines and pyrano[3,4-c]pyridinium salts. MENDELEEV COMMUNICATIONS 2019. [DOI: 10.1016/j.mencom.2019.07.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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22
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Lefranc F, Koutsaviti A, Ioannou E, Kornienko A, Roussis V, Kiss R, Newman D. Algae metabolites: from in vitro growth inhibitory effects to promising anticancer activity. Nat Prod Rep 2019; 36:810-841. [PMID: 30556575 DOI: 10.1039/c8np00057c] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Covering: 1957 to 2017 Algae constitute a heterogeneous group of eukaryotic photosynthetic organisms, mainly found in the marine environment. Algae produce numerous metabolites that help them cope with the harsh conditions of the marine environment. Because of their structural diversity and uniqueness, these molecules have recently gained a lot of interest for the identification of medicinally useful agents, including those with potential anticancer activities. In the current review, which is not a catalogue-based one, we first highlight the major biological events that lead to various types of cancer, including metastatic ones, to chemoresistance, thus to any types of current anticancer treatment relating to the use of chemotherapeutics. We then review algal metabolites for which scientific literature reports anticancer activity. Lastly, we focus on algal metabolites with promising anticancer activity based on their ability to target biological characteristics of cancer cells responsible for poor treatment outcomes. Thus, we highlight compounds that have, among others, one or more of the following characteristics: selectivity in reducing the proliferation of cancer cells over normal ones, potential for killing cancer cells through non-apoptotic signaling pathways, ability to circumvent MDR-related efflux pumps, and activity in vivo in relevant pre-clinical models.
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Affiliation(s)
- Florence Lefranc
- Service de Neurochirurgie, Hôpital Erasme, ULB, 1070 Brussels, Belgium.
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Wali AF, Majid S, Rasool S, Shehada SB, Abdulkareem SK, Firdous A, Beigh S, Shakeel S, Mushtaq S, Akbar I, Madhkali H, Rehman MU. Natural products against cancer: Review on phytochemicals from marine sources in preventing cancer. Saudi Pharm J 2019; 27:767-777. [PMID: 31516319 PMCID: PMC6733955 DOI: 10.1016/j.jsps.2019.04.013] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 04/20/2019] [Indexed: 12/14/2022] Open
Abstract
Marine natural products have as of now been acknowledged as the most important source of bioactive substances and drug leads. Marine flora and fauna, such as algae, bacteria, sponges, fungi, seaweeds, corals, diatoms, ascidian etc. are important resources from oceans, accounting for more than 90% of the total oceanic biomass. They are taxonomically different with huge productive and are pharmacologically active novel chemical signatures and bid a tremendous opportunity for discovery of new anti-cancer molecules. The water bodies a rich source of potent molecules which improve existence suitability and serve as chemical shield against microbes and little or huge creatures. These molecules have exhibited a range of biological properties antioxidant, antibacterial, antitumour etc. In spite of huge resources enriched with exciting chemicals, the marine floras and faunas are largely unexplored for their anticancer properties. In recent past, numerous marine anticancer compounds have been isolated, characterized, identified and are under trials for human use. In this write up we have tried to compile about marine-derived compounds anticancer biological activities of diverse flora and fauna and their underlying mechanisms and the generous raise in these compounds examined for malignant growth treatment in the course of the most recent quite a long while.
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Affiliation(s)
- Adil Farooq Wali
- RAK College of Pharmaceutical Sciences, RAK Medical and Health Sciences University, Ras Al Khaimah 11172, United Arab Emirates
| | - Sabhiya Majid
- Department of Biochemistry, Govt. Medical College (GMC), Karan Nagar, Srinagar 190010, J&K, India
| | - Shabhat Rasool
- Department of Biochemistry, Govt. Medical College (GMC), Karan Nagar, Srinagar 190010, J&K, India
| | - Samar Bassam Shehada
- RAK College of Pharmaceutical Sciences, RAK Medical and Health Sciences University, Ras Al Khaimah 11172, United Arab Emirates
| | - Shahad Khalid Abdulkareem
- RAK College of Pharmaceutical Sciences, RAK Medical and Health Sciences University, Ras Al Khaimah 11172, United Arab Emirates
| | - Aimen Firdous
- Department of Processing Technology, Kerala University of Fisheries and Ocean Studies (KUFOS), Panangad 682506, Kerala, India
| | - Saba Beigh
- Institut de Biologie, Molecular et Cellulaire, CNRS, immunopathologie et Chimie Therapeutique, Strasbourg Cedex, France
| | - Sheeba Shakeel
- Department of Pharmaceutical Sciences, Faculty of Applied Sciences, University of Kashmir, Srinagar 110006, J&K, India
| | - Saima Mushtaq
- Faculty of Veterinary Science and Animal Husbandry, SKUAST-Kashmir, Shuhama 190006, J&K, India
| | - Imra Akbar
- School of Pharmaceutical Education and Research, Jamia Hamdard, Hamdard Nagar, New Delhi 110062, India
| | - Hassan Madhkali
- Department of Pharmacology, College of Pharmacy, Prince Sattan Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Muneeb U. Rehman
- Department of Biochemistry, Govt. Medical College (GMC), Karan Nagar, Srinagar 190010, J&K, India
- Corresponding author.
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Bharath Kumar Reddy P, Ravi K, Mahesh K, Leelavathi P. Intramolecular Heck reaction: A facile sequential one-pot synthesis of 1,2,3,4-tetrahydrobenzo[b][1,6]naphthyridines. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.09.068] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Seaweed Secondary Metabolites In Vitro and In Vivo Anticancer Activity. Mar Drugs 2018; 16:md16110410. [PMID: 30373208 PMCID: PMC6266495 DOI: 10.3390/md16110410] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 10/22/2018] [Accepted: 10/23/2018] [Indexed: 12/21/2022] Open
Abstract
Isolation, finding or discovery of novel anticancer agents is very important for cancer treatment, and seaweeds are one of the largest producers of chemically active metabolites with valuable cytotoxic properties, and therefore can be used as new chemotherapeutic agents or source of inspiration to develop new ones. Identification of the more potent and selective anticancer components isolated from brown, green and red seaweeds, as well as studies of their mode of action is very attractive and constitute a small but relevant progress for pharmacological applications. Several researchers have carried out in vitro and in vivo studies in various cell lines and have disclosed the active metabolites among the terpenoids, including carotenoids, polyphenols and alkaloids that can be found in seaweeds. In this review the type of metabolites and their cytotoxic or antiproliferative effects will be discussed additionally their mode of action, structure-activity relationship and selectivity will also be revealed. The diterpene dictyolactone, the sterol cholest-5-en-3β,7α-diol and the halogenated monoterpene halomon are among the reported compounds, the ones that present sub-micromolar cytotoxicity. Additionally, one dimeric sesquiterpene of the cyclolaurane-type, three bromophenols and one halogenated monoterpene should be emphasized because they exhibit half maximal inhibitory concentration (IC50) values between 1–5 µM against several cell lines.
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Alves C, Silva J, Pinteus S, Gaspar H, Alpoim MC, Botana LM, Pedrosa R. From Marine Origin to Therapeutics: The Antitumor Potential of Marine Algae-Derived Compounds. Front Pharmacol 2018; 9:777. [PMID: 30127738 PMCID: PMC6089330 DOI: 10.3389/fphar.2018.00777] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Accepted: 06/26/2018] [Indexed: 11/13/2022] Open
Abstract
Marine environment has demonstrated to be an interesting source of compounds with uncommon and unique chemical features on which the molecular modeling and chemical synthesis of new drugs can be based with greater efficacy and specificity for the therapeutics. Cancer is a growing public health threat, and despite the advances in biomedical research and technology, there is an urgent need for the development of new anticancer drugs. In this field, it is estimated that more than 60% of commercially available anticancer drugs are natural biomimetic inspired. Among the marine organisms, algae have revealed to be one of the major sources of new compounds of marine origin, including those exhibiting antitumor and cytotoxic potential. These compounds demonstrated ability to mediate specific inhibitory activities on a number of key cellular processes, including apoptosis pathways, angiogenesis, migration and invasion, in both in vitro and in vivo models, revealing their potential to be used as anticancer drugs. This review will focus on the bioactive molecules from algae with antitumor potential, from their origin to their potential uses, with special emphasis to the alga Sphaerococcus coronopifolius as a producer of cytotoxic compounds.
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Affiliation(s)
- Celso Alves
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal.,Biology Department, DoMar Doctoral Programme on Marine Science, Technology and Management, University of Aveiro, Aveiro, Portugal
| | - Joana Silva
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal
| | - Susete Pinteus
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal
| | - Helena Gaspar
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal.,Faculty of Sciences, BioISI - Biosystems and Integrative Sciences Institute, University of Lisboa, Lisbon, Portugal
| | - Maria C Alpoim
- Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal.,Center of Investigation in Environment, Genetics and Oncobiology, University of Coimbra, Coimbra, Portugal.,Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Luis M Botana
- Departament of Pharmacology, Faculty of Veterinary, University of Santiago de Compostela, Lugo, Spain
| | - Rui Pedrosa
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal
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Arepalli SK, Choi Y, Lee K, Kang JS, Jung JK, Lee H. Transition-metal-free, atom-economical cascade synthesis of novel 2-sulfonated-benzo[ f ][1,7]naphthyridines and their cytotoxic activities. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.02.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Johnson TA, Milan-Lobo L, Che T, Ferwerda M, Lambu E, McIntosh NL, Li F, He L, Lorig-Roach N, Crews P, Whistler JL. Identification of the First Marine-Derived Opioid Receptor "Balanced" Agonist with a Signaling Profile That Resembles the Endorphins. ACS Chem Neurosci 2017; 8:473-485. [PMID: 27744679 DOI: 10.1021/acschemneuro.6b00167] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Opioid therapeutics are excellent analgesics, whose utility is compromised by dependence. Morphine (1) and its clinically relevant derivatives such as OxyContin (2), Vicodin (3), and Dilaudid (4) are "biased" agonists at the μ opioid receptor (OR), wherein they engage G protein signaling but poorly engage β-arrestin and the endocytic machinery. In contrast, endorphins, the endogenous peptide agonists for ORs, are potent analgesics, show reduced liability for tolerance and dependence, and engage both G protein and β-arrestin pathways as "balanced" agonists. We set out to determine if marine-derived alkaloids could serve as novel OR agonist chemotypes with a signaling profile distinct from morphine and more similar to the endorphins. Screening of 96 sponge-derived extracts followed by LC-MS-based purification to pinpoint the active compounds and subsequent evaluation of a mini library of related alkaloids identified two structural classes that modulate the ORs. These included the following: aaptamine (10), 9-demethyl aaptamine (11), demethyl (oxy)-aaptamine (12) with activity at the δ-OR (EC50: 5.1, 4.1, 2.3 μM, respectively) and fascaplysin (17), and 10-bromo fascaplysin (18) with activity at the μ-OR (EC50: 6.3, 4.2 μM respectively). An in vivo evaluation of 10 using δ-KO mice indicated its previously reported antidepressant-like effects are dependent on the δ-OR. Importantly, 17 functioned as a balanced agonist promoting both G protein signaling and β-arrestin recruitment along with receptor endocytosis similar to the endorphins. Collectively these results demonstrate the burgeoning potential for marine natural products to serve as novel lead compounds for therapeutic targets in neuroscience research.
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Affiliation(s)
- Tyler A. Johnson
- Department
of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, United States
- Department
of Natural Sciences and Mathematics, Dominican University of California, San Rafael, California 94901, United States
| | - Laura Milan-Lobo
- Department
of Neurology, University of California, San Francisco, California 94158, United States
| | - Tao Che
- National
Institute of Mental Health Psychoactive Drug Screening Program, University of North Carolina, Chapel Hill, North Carolina 27514, United States
| | - Madeline Ferwerda
- Department
of Neurology, University of California, San Francisco, California 94158, United States
| | - Eptisam Lambu
- Department
of Natural Sciences and Mathematics, Dominican University of California, San Rafael, California 94901, United States
| | - Nicole L. McIntosh
- Department
of Natural Sciences and Mathematics, Dominican University of California, San Rafael, California 94901, United States
| | - Fei Li
- Department
of Neurology, University of California, San Francisco, California 94158, United States
| | - Li He
- Department
of Neurology, University of California, San Francisco, California 94158, United States
| | - Nicholas Lorig-Roach
- Department
of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, United States
| | - Phillip Crews
- Department
of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, United States
| | - Jennifer L. Whistler
- Department
of Neurology, University of California, San Francisco, California 94158, United States
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Ma NL, Teh KY, Lam SS, Kaben AM, Cha TS. Optimization of cell disruption methods for efficient recovery of bioactive metabolites via NMR of three freshwater microalgae (chlorophyta). BIORESOURCE TECHNOLOGY 2015; 190:536-542. [PMID: 25812996 DOI: 10.1016/j.biortech.2015.03.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 03/06/2015] [Accepted: 03/07/2015] [Indexed: 06/04/2023]
Abstract
This study demonstrates the use of NMR techniques coupled with chemometric analysis as a high throughput data mining method to identify and examine the efficiency of different disruption techniques tested on microalgae (Chlorella variabilis, Scenedesmus regularis and Ankistrodesmus gracilis). The yield and chemical diversity from the disruptions together with the effects of pre-oven and pre-freeze drying prior to disruption techniques were discussed. HCl extraction showed the highest recovery of oil compounds from the disrupted microalgae (up to 90%). In contrast, NMR analysis showed the highest intensity of bioactive metabolites obtained for homogenized extracts pre-treated with freeze-drying, indicating that homogenizing is a more favorable approach to recover bioactive substances from the disrupted microalgae. The results show the potential of NMR as a useful metabolic fingerprinting tool for assessing compound diversity in complex microalgae extracts.
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Affiliation(s)
- Nyuk Ling Ma
- School of Fundamental Science, University Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia.
| | - Kit Yinn Teh
- School of Fundamental Science, University Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia.
| | - Su Shiung Lam
- Eastern Corridor Renewable Energy Group (ECRE), School of Ocean Engineering, University Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia.
| | - Anne Marie Kaben
- Institute of Marine Biotechnology, University Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia.
| | - Thye San Cha
- Institute of Marine Biotechnology, University Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia.
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Gupta AP, Pandotra P, Kushwaha M, Khan S, Sharma R, Gupta S. Alkaloids: A Source of Anticancer Agents from Nature. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2015. [DOI: 10.1016/b978-0-444-63462-7.00009-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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31
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Moussavou G, Kwak DH, Obiang-Obonou BW, Maranguy CAO, Dinzouna-Boutamba SD, Lee DH, Pissibanganga OGM, Ko K, Seo JI, Choo YK. Anticancer effects of different seaweeds on human colon and breast cancers. Mar Drugs 2014; 12:4898-911. [PMID: 25255129 PMCID: PMC4178489 DOI: 10.3390/md12094898] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Revised: 09/02/2014] [Accepted: 09/09/2014] [Indexed: 11/16/2022] Open
Abstract
Seafoods and seaweeds represent some of the most important reservoirs of new therapeutic compounds for humans. Seaweed has been shown to have several biological activities, including anticancer activity. This review focuses on colorectal and breast cancers, which are major causes of cancer-related mortality in men and women. It also describes various compounds extracted from a range of seaweeds that have been shown to eradicate or slow the progression of cancer. Fucoidan extracted from the brown algae Fucus spp. has shown activity against both colorectal and breast cancers. Furthermore, we review the mechanisms through which these compounds can induce apoptosis in vitro and in vivo. By considering the ability of compounds present in seaweeds to act against colorectal and breast cancers, this review highlights the potential use of seaweeds as anticancer agents.
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Affiliation(s)
- Ghislain Moussavou
- Department of Biological Science, College of Natural Science, Wonkwang University, Iksan, Jeonbuk 570-749, Korea.
| | - Dong Hoon Kwak
- Department of Biological Science, College of Natural Science, Wonkwang University, Iksan, Jeonbuk 570-749, Korea.
| | | | - Cyr Abel Ogandaga Maranguy
- Department of Biological Science, College of Natural Science, Wonkwang University, Iksan, Jeonbuk 570-749, Korea.
| | | | - Dae Hoon Lee
- Department of Biological Science, College of Natural Science, Wonkwang University, Iksan, Jeonbuk 570-749, Korea.
| | | | - Kisung Ko
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 156-756, Korea.
| | - Jae In Seo
- College of Pharmacy, Yonsei University, Veritas D, Yonsei International Campus, Songdo-dong, Yeonsu-gu, Incheon 406-840, Korea.
| | - Young Kug Choo
- Department of Biological Science, College of Natural Science, Wonkwang University, Iksan, Jeonbuk 570-749, Korea.
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32
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Yaakob Z, Ali E, Zainal A, Mohamad M, Takriff MS. An overview: biomolecules from microalgae for animal feed and aquaculture. ACTA ACUST UNITED AC 2014; 21:6. [PMID: 25984489 PMCID: PMC4376511 DOI: 10.1186/2241-5793-21-6] [Citation(s) in RCA: 144] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Accepted: 12/31/2013] [Indexed: 01/07/2023]
Abstract
Despite being more popular for biofuel, microalgae have gained a lot of attention as a source of biomolecules and biomass for feed purposes. Algae farming can be established using land as well as sea and strategies can be designed in order to gain the products of specific interest in the optimal way. A general overview of the contributions of Algae to meet the requirements of nutrients in animal/aquaculture feed is presented in this study. In addition to its applications in animal/aquaculture feed, algae can produce a number of biomolecules including astaxanthin, lutein, beta-carotene, chlorophyll, phycobiliprotein, Polyunsaturated Fatty Acids (PUFAs), beta-1,3-glucan, and pharmaceutical and nutraceutical compounds which have been reviewed with respect to their commercial importance and current status. The review is further extended to highlight the adequate utilization of value added products in the feeds for livestock, poultry and aquaculture (with emphasis in shrimp farming).
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Affiliation(s)
- Zahira Yaakob
- Department of Chemical & Process Engineering Faculty of Engineering & Built Environment, University Kebangsaan Malaysia, 43600 Bangi, Malaysia
| | - Ehsan Ali
- Centre for Energy Systems, National University of Sciences and Technology, Sector H-12, Islamabad, Pakistan
| | - Afifi Zainal
- Department of Chemical & Process Engineering Faculty of Engineering & Built Environment, University Kebangsaan Malaysia, 43600 Bangi, Malaysia
| | - Masita Mohamad
- Department of Chemical & Process Engineering Faculty of Engineering & Built Environment, University Kebangsaan Malaysia, 43600 Bangi, Malaysia
| | - Mohd Sobri Takriff
- Department of Chemical & Process Engineering Faculty of Engineering & Built Environment, University Kebangsaan Malaysia, 43600 Bangi, Malaysia
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33
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Xu F, Yang ZZ, Xi LM, Jiang JR, Ke ZL, Wu HG. Synthesis of 10-phenyl-[1,2,4]Triazolo[1,5- b] [2,7]Naphthyridin-5(3 H)-One Derivatives. JOURNAL OF CHEMICAL RESEARCH 2014. [DOI: 10.3184/174751914x13976543689677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Several new 10-phenyl-[1,2,4]triazolo[1,5- b][2,7]naphthyridin-5(3 H)-one derivatives were synthesised by condensation of 2,3-diamino-4-phenyl-2,7-naphthyridin-1(2 H)-one with aldehydes and also with acid anhydrides. Their structures were confirmed by 1H NMR, 13C NMR, IR, mass spectra and elemental analysis. The key starting material 4-[a-cyano(phenyl)methyl]nicotinic acid was easily cyclised to give 3-amino-4-phenyl-1 H-pyrano[3,4- c]pyridin-1-one under alkaline conditions, the structure of which was confirmed by X-ray crystallography following conversion to the corresponding N,N-dimethylformamidine derivative.
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Affiliation(s)
- Feng Xu
- Biopharmaceutical Research and Development Centre, Taizhou Vocational & Technical College, Taizhou 318000, P.R. China
| | - Zhen-Zhen Yang
- Biopharmaceutical Research and Development Centre, Taizhou Vocational & Technical College, Taizhou 318000, P.R. China
| | - Li-Min Xi
- Biopharmaceutical Research and Development Centre, Taizhou Vocational & Technical College, Taizhou 318000, P.R. China
| | - Jun-Rong Jiang
- Biopharmaceutical Research and Development Centre, Taizhou Vocational & Technical College, Taizhou 318000, P.R. China
| | - Zhong-Lu Ke
- Biopharmaceutical Research and Development Centre, Taizhou Vocational & Technical College, Taizhou 318000, P.R. China
| | - Han-Gui Wu
- Biopharmaceutical Research and Development Centre, Taizhou Vocational & Technical College, Taizhou 318000, P.R. China
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Abstract
This review covers the isolation, chemical structure, biological activity, structure activity relationships including synthesis of chemical probes, and pharmacological characterization of neuroactive marine natural products; 302 references are cited.
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Affiliation(s)
- Ryuichi Sakai
- Faculty of Fisheries Sciences, Hokkaido University, Hakodate 041-8611, Japan.
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35
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Tan H, Wang J, Zhang Y, Xing Y, Sun Q, Li R. Tandem synthesis of substituted 2,7-naphthyridin-1(7H)-ones via Reissert reaction/intramolecular nucleophilic addition/oxidation dehydrogenation. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.05.105] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Prakash K, Nagarajan R. An efficient synthesis of indol-3-yl benzonaphthyridines via copper(II) triflate-catalyzed heteroannulation. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.04.106] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Tejada S, Deudero S, Box A, Sureda A. Physiological response of the sea urchin Paracentrotus lividus fed with the seagrass Posidonia oceanica and the alien algae Caulerpa racemosa and Lophocladia lallemandii. MARINE ENVIRONMENTAL RESEARCH 2013; 83:48-53. [PMID: 23158497 DOI: 10.1016/j.marenvres.2012.10.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2012] [Revised: 10/09/2012] [Accepted: 10/21/2012] [Indexed: 06/01/2023]
Abstract
The aim was to determine the effects of alien algae feeding on biomarkers of oxidative stress in the sea urchin Paracentrotus lividus. Sea urchins were fed during three months with the native seagrass Posidonia oceanica, and the alien macroalgae Caulerpa racemosa and Lophocladia lallemandii and biochemical analysis were performed in the gonads. A control group was immediately processed after sampling from the sea. Antioxidant enzyme and glutathione S-transferase activities and GSH concentration were significantly higher in sea urchins fed with alien algae when compared with the control group and the one fed with P. oceanica group. This response was more intense in the group fed with L. lallemandii respect to the C. racemosa group. The concentration of MDA, protein carbonyl derivates and 8-OHdG reported no significant differences between treatments. In conclusion, the invasive algae C. racemosa and L. lallemandii induced an antioxidant response in P. lividus without evident oxidative damage.
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Affiliation(s)
- Silvia Tejada
- Experimental Laboratory, Research Unit, Son Llàtzer Hospital, IUNICS, Palma de Mallorca, Balearic Islands, Spain
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38
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Stabili L, Acquaviva M, Biandolino F, Cavallo R, De Pascali S, Fanizzi F, Narracci M, Petrocelli A, Cecere E. The lipidic extract of the seaweed Gracilariopsis longissima (Rhodophyta, Gracilariales): a potential resource for biotechnological purposes? N Biotechnol 2012; 29:443-50. [DOI: 10.1016/j.nbt.2011.11.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2011] [Revised: 11/02/2011] [Accepted: 11/02/2011] [Indexed: 01/08/2023]
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39
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Feussner KD, Ragini K, Kumar R, Soapi KM, Aalbersberg WG, Harper MK, Carte B, Ireland CM. Investigations of the marine flora and fauna of the Fiji Islands. Nat Prod Rep 2012; 29:1424-62. [DOI: 10.1039/c2np20055d] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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A journey under the sea: the quest for marine anti-cancer alkaloids. Molecules 2011; 16:9665-96. [PMID: 22113577 PMCID: PMC6264372 DOI: 10.3390/molecules16119665] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Accepted: 11/09/2011] [Indexed: 01/31/2023] Open
Abstract
The alarming increase in the global cancer death toll has fueled the quest for new effective anti-tumor drugs thorough biological screening of both terrestrial and marine organisms. Several plant-derived alkaloids are leading drugs in the treatment of different types of cancer and many are now being tested in various phases of clinical trials. Recently, marine-derived alkaloids, isolated from aquatic fungi, cyanobacteria, sponges, algae, and tunicates, have been found to also exhibit various anti-cancer activities including anti-angiogenic, anti-proliferative, inhibition of topoisomerase activities and tubulin polymerization, and induction of apoptosis and cytotoxicity. Two tunicate-derived alkaloids, aplidin and trabectedin, offer promising drug profiles, and are currently in phase II clinical trials against several solid and hematologic tumors. This review sheds light on the rich array of anti-cancer alkaloids in the marine ecosystem and introduces the most investigated compounds and their mechanisms of action.
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41
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Disadee W, Ploypradith P, Aree T, Chaichit N, Ruchirawat S. A novel approach for the synthesis of lophocladines A, B and C1 analogues. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.09.032] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Sellstedt M, Almqvist F. A three-component reaction forming naphthyridones--synthesis of lophocladine analogs. Org Lett 2011; 13:5278-81. [PMID: 21879774 PMCID: PMC3203621 DOI: 10.1021/ol202080x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Indexed: 11/30/2022]
Abstract
A three-component reaction forming dihydro 2,7-naphthyridine-1-ones has been developed. These unstable dihydro intermediates can be either oxidized or reduced to form naphthyridones or tetrahydro naphthyridones, respectively. The reaction tolerates a large variety of aldehydes and amines, and the produced compounds are analogs of the natural product lophocladine A.
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Affiliation(s)
- Magnus Sellstedt
- Umeå University, Department of Chemistry, SE-90187, Umeå, Sweden
| | - Fredrik Almqvist
- Umeå University, Department of Chemistry, SE-90187, Umeå, Sweden
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43
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Sithranga Boopathy N, Kathiresan K. Anticancer drugs from marine flora: an overview. JOURNAL OF ONCOLOGY 2011; 2010:214186. [PMID: 21461373 PMCID: PMC3065217 DOI: 10.1155/2010/214186] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Accepted: 11/29/2010] [Indexed: 12/15/2022]
Abstract
Marine floras, such as bacteria, actinobacteria, cyanobacteria, fungi, microalgae, seaweeds, mangroves, and other halophytes are extremely important oceanic resources, constituting over 90% of the oceanic biomass. They are taxonomically diverse, largely productive, biologically active, and chemically unique offering a great scope for discovery of new anticancer drugs. The marine floras are rich in medicinally potent chemicals predominantly belonging to polyphenols and sulphated polysaccharides. The chemicals have displayed an array of pharmacological properties especially antioxidant, immunostimulatory, and antitumour activities. The phytochemicals possibly activate macrophages, induce apoptosis, and prevent oxidative damage of DNA, thereby controlling carcinogenesis. In spite of vast resources enriched with chemicals, the marine floras are largely unexplored for anticancer lead compounds. Hence, this paper reviews the works so far conducted on this aspect with a view to provide a baseline information for promoting the marine flora-based anticancer research in the present context of increasing cancer incidence, deprived of the cheaper, safer, and potent medicines to challenge the dreadful human disease.
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Affiliation(s)
- N. Sithranga Boopathy
- Center of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai 608 502, Tamil Nadu, India
| | - K. Kathiresan
- Center of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai 608 502, Tamil Nadu, India
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44
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A novel benzo[f][1,7]naphthyridine produced by Streptomyces albogriseolus from mangrove sediments. Molecules 2010; 15:9298-307. [PMID: 21160454 PMCID: PMC6259242 DOI: 10.3390/molecules15129298] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2010] [Revised: 11/30/2010] [Accepted: 12/07/2010] [Indexed: 11/29/2022] Open
Abstract
Mangrove Streptomyces represent a rich source of novel bioactive compounds in medicinal research. A novel alkaloid, named 1-N-methyl-3-methylamino-[N-butanoic acid-3′-(9′-methyl-8′-propen-7′-one)-amide]-benzo[f][1,7]naphthyridine-2-one (1) was isolated from Streptomyces albogriseolus originating from mangrove sediments. The structure of compound 1 was elucidated by extensive spectroscopic data analyses and verified by the 13C-NMR calculation at the B3LYP/6-311+G(2d,p) level of theory.
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45
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Effects of invasive seaweeds on feeding preference and performance of a keystone Mediterranean herbivore. Biol Invasions 2010. [DOI: 10.1007/s10530-010-9913-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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Cebrian E, Ballesteros E, Linares C, Tomas F. Do native herbivores provide resistance to Mediterranean marine bioinvasions? A seaweed example. Biol Invasions 2010. [DOI: 10.1007/s10530-010-9898-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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47
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Güven KC, Percot A, Sezik E. Alkaloids in marine algae. Mar Drugs 2010; 8:269-84. [PMID: 20390105 PMCID: PMC2852838 DOI: 10.3390/md8020269] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2009] [Revised: 01/20/2010] [Accepted: 01/25/2010] [Indexed: 11/16/2022] Open
Abstract
This paper presents the alkaloids found in green, brown and red marine algae. Algal chemistry has interested many researchers in order to develop new drugs, as algae include compounds with functional groups which are characteristic from this particular source. Among these compounds, alkaloids present special interest because of their pharmacological activities. Alkaloid chemistry has been widely studied in terrestrial plants, but the number of studies in algae is insignificant. In this review, a detailed account of macro algae alkaloids with their structure and pharmacological activities is presented. The alkaloids found in marine algae may be divided into three groups: 1. Phenylethylamine alkaloids, 2. Indole and halogenated indole alkaloids, 3. Other alkaloids.
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Affiliation(s)
- Kasım Cemal Güven
- Istanbul Aydın University, Inönü Cad., 40, Sefaköy, Istanbul, Turkey
- *Author to whom correspondence should be addressed; E-Mail:
; Tel.: +90 212 573 03 88; Fax: +90 212 573 31 89
| | - Aline Percot
- Laboratoire de Dynamique, Interactions et Réactivité (LADIR), UMR 7075 CNRS–UPMC Univ Paris 06, 2 rue Henry Dunant, 94320 Thiais, France; E-Mail:
| | - Ekrem Sezik
- Department of Pharmacognosy, Hipodrom Ankara, Faculty of Pharmacy, Gazi University, Turkey; E-Mail:
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48
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Abstract
Marine organisms are potentially prolific sources of highly bioactive secondary metabolites that might represent useful leads in the development of new pharmaceutical agents. Algae can be classified into two main groups; first one is the microalgae, which includes blue green algae, dinoflagellates, bacillariophyta (diatoms)… etc., and second one is macroalgae (seaweeds) which includes green, brown and red algae. The microalgae phyla have been recognized to provide chemical and pharmacological novelty and diversity. Moreover, microalgae are considered as the actual producers of some highly bioactive compounds found in marine resources. Red algae are considered as the most important source of many biologically active metabolites in comparison to other algal classes. Seaweeds are used for great number of application by man. The principal use of seaweeds as a source of human food and as a source of gums (phycocollides). Phycocolloides like agar agar, alginic acid and carrageenan are primarily constituents of brown and red algal cell walls and are widely used in industry.
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Affiliation(s)
- Ali A. El Gamal
- Dept. of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
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49
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Abstract
Background: Traditional and current opioid pharmacology is fundamentally based on interactions between opioid receptors and compounds isolated from natural sources. Adverse effects associated with opioids have led to the search for compounds with diminished side effects. Discussion: Recent discoveries of non-nitrogenous and structurally diverse alkaloids as novel opioid ligands have led to renewed interest in the development of novel chemotypes for opioid receptors. Conclusion: The strong history of natural products as opioid receptor ligands suggests that nature is one of the most promising for the identification of novel opioids. This review highlights the vast potential of investigating natural products as novel probes of opioid receptors.
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50
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Box A, Sureda A, Deudero S. Antioxidant response of the bivalve Pinna nobilis colonised by invasive red macroalgae Lophocladia lallemandii. Comp Biochem Physiol C Toxicol Pharmacol 2009; 149:456-60. [PMID: 19010448 DOI: 10.1016/j.cbpc.2008.10.107] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2008] [Revised: 10/22/2008] [Accepted: 10/22/2008] [Indexed: 11/24/2022]
Abstract
Invasive species represent a risk to natural ecosystems and a biodiversity hazard. The present work aims to determine the antioxidant enzyme response - superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX), the phase II detoxifying enzyme - glutathione S-transferase (GST) - and markers of oxidative damage - thioredoxin reductase (TR) and malondialdehyde (MDA) - in gills and digestive gland of Pinna nobilis and to study the antioxidant response effects in the bivalve colonised by the invasive macroalgae Lophocladia lallemandii. Colonised specimens were collected in a control area without L. lallemandii and another area completely colonised by L. lallemandii. All enzyme activities were found to be present in gills and digestive gland, with some tissue differences. CAT and SOD activities were higher in gills than digestive gland, whereas GST activity and MDA levels were higher in digestive gland. The presence of L. lallemandii induced a significant increase in the activities of antioxidant enzymes in both gills and digestive gland, except for CAT activity in gills. GST and TR activities were also increased in both tissues, as well as the MDA concentration. We can conclude that the presence of L. lallemandii colonising P. nobilis induces a biological stress and oxidative damage to the fan mussel.
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Affiliation(s)
- Antonio Box
- Marine Biology Laboratory, University of the Balearic Islands, Palma de Mallorca, Balearic Islands, Spain.
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