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Li Y, Zhang C, Feng L, Shen Q, Liu F, Jiang X, Pang B. Application of natural polysaccharides and their novel dosage forms in gynecological cancers: therapeutic implications from the diversity potential of natural compounds. Front Pharmacol 2023; 14:1195104. [PMID: 37383719 PMCID: PMC10293794 DOI: 10.3389/fphar.2023.1195104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/02/2023] [Indexed: 06/30/2023] Open
Abstract
Cancer is one of the most lethal diseases. Globally, the number of cancers is nearly 10 million per year. Gynecological cancers (for instance, ovarian, cervical, and endometrial), relying on hidden diseases, misdiagnoses, and high recurrence rates, have seriously affected women's health. Traditional chemotherapy, hormone therapy, targeted therapy, and immunotherapy effectively improve the prognosis of gynecological cancer patients. However, with the emergence of adverse reactions and drug resistance, leading to the occurrence of complications and poor compliance of patients, we have to focus on the new treatment direction of gynecological cancers. Because of the potential effects of natural drugs in regulating immune function, protecting against oxidative damage, and improving the energy metabolism of the body, natural compounds represented by polysaccharides have also attracted extensive attention in recent years. More and more studies have shown that polysaccharides are effective in the treatment of various tumors and in reducing the burden of metastasis. In this review, we focus on the positive role of natural polysaccharides in the treatment of gynecologic cancer, the molecular mechanisms, and the available evidence, and discuss the potential use of new dosage forms derived from polysaccharides in gynecologic cancer. This study covers the most comprehensive discussion on applying natural polysaccharides and their novel preparations in gynecological cancers. By providing complete and valuable sources of information, we hope to promote more effective treatment solutions for clinical diagnosis and treatment of gynecological cancers.
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Affiliation(s)
- Yi Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chuanlong Zhang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Lu Feng
- College of Acupuncture-Moxibustion and Tuina, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Qian Shen
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fudong Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaochen Jiang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Bo Pang
- International Medical Department of Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Teng S, Zheng N, Al-Huqail AA, Lu Y, Ali E, Ali HE, Zhao H. Effect of nanoparticle macroalgae in the treatment of fatty liver disease using logistic regression, and support vector machine. ENVIRONMENTAL RESEARCH 2023; 224:115426. [PMID: 36781010 DOI: 10.1016/j.envres.2023.115426] [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: 12/23/2022] [Revised: 01/26/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
One of the major health issues facing people worldwide is liver fibrosis. Liver fibrosis may be brought on by long-term exposure to harmful substances, medicines, and microorganisms. The development of liver fibrosis in children was particularly worrying due to their longer life-span, which was possibly related to a great risk of developing long-term complications. Marine algae species have provided a biological variety in the research phase of novel approaches to the treatment of numerous ailments. Marine macroalgae have recently been the subject of research due to their rich bioactive chemical composition and potential for the production of various nutraceuticals. Macroalgae are potentially excellent sources of bioactive substances with particular and distinct biological activity when compared to their terrestrial equivalents. Macroalgae in diverse marine cases offer a few biologically active metabolites, comprising sterols, polyunsaturated fatty acids, carotenoids, oligosaccharides, polysaccharides, proteins, polyphenols, vitamins, and minerals. Accordingly, there is great interest in their high potential for supporting immunomodulatory, antimicrobial, antidiabetic, antitumoral, anti-inflammatory, antiangiogenic, and neuroprotective properties. Using an experimental model, the current research intends to collect data on the therapeutic value of macroalgae nanoparticles for fatty liver disease. The researchers' goal of predicting illnesses from the extensive medical datasets is quite difficult. The purpose of this research is to assess the protective effects of a seaweed, Padina pavonia (PP), on liver fibrosis caused by carbon tetrachloride (CCl4). This research presents two models of logistic regression (LR) and support vector machines (SVM) for predicting the likelihood of liver disease incidence. The performance of the model was evaluated using a dataset. PP macro-algae considerably reduce the high blood concentrations of aminotransferases, alkaline phosphatases, and lactate dehydrogenases, as well as causing a considerable (p < 0.05) decrease in serum bilirubin levels. In addition to improving kidney function (urea and creatinine), algal extracts enhance fat metabolism (triglycerides and cholesterol). With an accuracy rate of 70.2%, a sensitivity of 92.3%, a specificity of 74.7%, a type I error of 9.1%, and a type II error of 21.0%, the predictive model has demonstrated excellent performance. The model validated laboratory tests' ability to predict illness (age; direct bilirubin (DB), total proteins (TP), and albumin (ALB). These classifier methods are compared on the basis of their execution time and classification accuracy.
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Affiliation(s)
- Shu Teng
- Department of Pediatric Infection, Hangzhou Children's Hospital, Hangzhou, 310014, China
| | - Nan Zheng
- Zhejiang University of Traditional Chinese Medicine, Hangzhou, 310000, China
| | - Arwa A Al-Huqail
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O.Box 84428, Riyadh, 11671, Saudi Arabia.
| | - Yanjie Lu
- Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Elimam Ali
- Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
| | - H Elhosiny Ali
- Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia; Physics Department, Faculty of Science, Zagazig University, 44519, Zagazig, Egypt; Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 61413, P.O. Box 9004, Saudi Arabia
| | - Huajun Zhao
- University of Traditional Chinese Medicine, Hangzhou, 310000, China.
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Alarif WM, Baamer DF, Ghandourah MA, Alorfi HS, Alburae NA, Budiyanto F, Abdel-Naim AB. The pro-apoptotic activity of sinueracasbanone D isolated from Sinularia Leptoclados in hepatocellular carcinoma cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:56920-56929. [PMID: 36930304 DOI: 10.1007/s11356-023-26466-8] [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: 04/12/2022] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
The soft-bodied corals of the genera Sarcophyton and Sinularia (Alcyoniidae) are known as a warehouse of casbane and cembranoid diterpenoids with remarkable antitumor effects. Two casbane-type diterpenoids (1, 2) along with four cembrane-type diterpenoids (3-6) were isolated from the diethyl ether soluble fraction of the organic extracts of the Red Sea soft corals Sinularia leptoclados and Sarcophyton glaucum, respectively. The antiproliferative activity of all isolated compounds (1-6) against three hepatocellular carcinoma cells, namely, Huh-7, SNU 499, and HepG2, along with the normal cells EA.hy 926, was evaluated. Sinueracabanone D (1) displayed a remarkable antiproliferative effect against the examined cancer cell lines, especially HepG2 cells with IC50 of 4.0 ± 0.37 µM. Cell cycle analysis indicated compound 1 caused the accumulation of HepG2 cells in the G2/M-phase. Further, compound 1 exhibited significant pro-apoptotic activities in HepG2 cells as evidenced by annexin V staining, enhanced mRNA expression of Bax, cytochrome C, and caspase 3, as well as inhibition of Bcl2 expression. Also, challenging HepG2 cells with sinueracabanone D (1) enhanced the active oxygen species generation and decreased mitochondrial membrane potential. In conclusion, compound 1 possesses potent antiproliferative activities against HepG2 cells. These antiproliferative activities are mediated, at least partly, by their ability to induce apoptosis, mitochondrial dysfunction, and oxidative stress.
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Affiliation(s)
- Walied M Alarif
- Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University, PO Box, 80207, Jeddah, 21589, Saudi Arabia.
| | - Doaa F Baamer
- Department of Chemistry, Faculty of Science, King Abdulaziz University, PO Box 80203, Jeddah, 21589, Saudi Arabia
| | - Mohamed A Ghandourah
- Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University, PO Box, 80207, Jeddah, 21589, Saudi Arabia
| | - Hajer S Alorfi
- Department of Chemistry, Faculty of Science, King Abdulaziz University, PO Box 80203, Jeddah, 21589, Saudi Arabia
| | - Najla A Alburae
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, PO Box 80200, Jeddah, 21589, Saudi Arabia
| | - Fitri Budiyanto
- Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University, PO Box, 80207, Jeddah, 21589, Saudi Arabia
- National Research and Innovation Agency, Jl. M.H. Thamrin No. 8, Jakarta, 10340, Indonesia
| | - Ashraf B Abdel-Naim
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
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Valorization of Side Stream Products from Sea Cage Fattened Bluefin Tuna (Thunnus thynnus): Production and In Vitro Bioactivity Evaluation of Enriched ω-3 Polyunsaturated Fatty Acids. Mar Drugs 2022; 20:md20050309. [PMID: 35621959 PMCID: PMC9147267 DOI: 10.3390/md20050309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 12/03/2022] Open
Abstract
The valorization of side streams from fishery and aquaculture value-chains is a valuable solution to address one of the challenges of the circular economy: turning wastes into profit. Side streams produced after filleting of sea cage fattened bluefin tuna (Thunnus thynnus) were analyzed for proximate composition and fatty acid profile to evaluate the possibility of producing tuna oil (TO) as a valuable source of ω-3 polyunsaturated fatty acids (PUFA) and testing its bioactivity in vitro. Ethyl esters of total fatty acids (TFA), obtained from TO, were pre-enriched by urea complexation (PUFA-Ue) and then enriched by short path distillation (SPD) up to almost 85% of the PUFA fraction (PUFA-SPe). The bioactivity of TFA, PUFA-SPe, and ethyl esters of depleted PUFA (PUFA-SPd) were tested in vitro, through analysis of lipid metabolism genes, in gilthead sea bream (Sparus aurata) fibroblast cell line (SAF-1) exposed to oils. TFA and PUFA-SPd upregulated transcription factors (pparβ and pparγ) and lipid metabolism-related genes (D6D, fas, fabp, fatp1, and cd36), indicating the promotion of adipogenesis. PUFA-SPe treated cells were similar to control. PUFA-SPe extracted from farmed bluefin tuna side streams could be utilized in fish feed formulations to prevent excessive fat deposition, contributing to improving both the sustainability of aquaculture and the quality of its products.
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Zou Y, Wang X, Sims J, Wang B, Pandey P, Welsh CL, Stone RP, Avery MA, Doerksen RJ, Ferreira D, Anklin C, Valeriote FA, Kelly M, Hamann MT. Computationally Assisted Discovery and Assignment of a Highly Strained and PANC-1 Selective Alkaloid from Alaska's Deep Ocean. J Am Chem Soc 2019; 141:4338-4344. [PMID: 30758203 PMCID: PMC11187828 DOI: 10.1021/jacs.8b11403] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
We report here the orchestration of molecular ion networking and a set of computationally assisted structural elucidation approaches in the discovery of a new class of pyrroloiminoquinone alkaloids that possess selective bioactivity against pancreatic cancer cell lines. Aleutianamine represents the first in a new class of pyrroloiminoquinone alkaloids possessing a highly strained multibridged ring system, discovered from Latrunculia ( Latrunculia) austini Samaai, Kelly & Gibbons, 2006 (class Demospongiae, order Poecilosclerida, family Latrunculiidae) recovered during a NOAA deep-water exploration of the Aleutian Islands. The molecule was identified with the guidance of mass spectrometry, nuclear magnetic resonance, and molecular ion networking (MoIN) analysis. The structure of aleutianamine was determined using extensive spectroscopic analysis in conjunction with computationally assisted quantifiable structure elucidation tools. Aleutianamine exhibited potent and selective cytotoxicity toward solid tumor cell lines including pancreatic cancer (PANC-1) with an IC50 of 25 nM and colon cancer (HCT-116) with an IC50 of 1 μM, and represents a potent and selective candidate for advanced preclinical studies.
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Affiliation(s)
- Yike Zou
- Department of BioMolecular Sciences, Division of Medicinal Chemistry, University of Mississippi, Oxford, Mississippi 38677, United States
- Division of Pharmacognosy, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Xiaojuan Wang
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, Medical University of South Carolina, Charleston, South Carolina 29425, United States
| | - James Sims
- Division of Pharmacognosy, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Bin Wang
- Division of Pharmacognosy, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Pankaj Pandey
- Department of BioMolecular Sciences, Division of Medicinal Chemistry, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Colin L. Welsh
- Department of BioMolecular Sciences, Division of Medicinal Chemistry, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Robert P. Stone
- NOAA Fisheries, Alaska Fisheries Science Center, Auke Bay Laboratories, 17109 Point Lena Loop Road, Juneau, Alaska 99801, United States
| | - Mitchell A. Avery
- Department of BioMolecular Sciences, Division of Medicinal Chemistry, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Robert J. Doerksen
- Department of BioMolecular Sciences, Division of Medicinal Chemistry, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Daneel Ferreira
- Division of Pharmacognosy, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, Oxford, Mississippi 38677, United States
| | - Clemens Anklin
- Bruker BioSpin, 15 Fortune Drive, Billerica, Massachusetts 01821, United States
| | - Frederick A. Valeriote
- Henry Ford Hospital, Department of Internal Medicine, Division of Hematology and Oncology, Detroit, Michigan 48202, United States
| | - Michelle Kelly
- National Institute of Water and Atmospheric Research (NIWA) Ltd., 41 Market Place, Viaduct Harbour, Auckland 1010, New Zealand
| | - Mark T. Hamann
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, Medical University of South Carolina, Charleston, South Carolina 29425, United States
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Vaseghi G, Sharifi M, Dana N, Ghasemi A, Yegdaneh A. Cytotoxicity of Sargassum angustifolium Partitions against Breast and Cervical Cancer Cell Lines. Adv Biomed Res 2018; 7:43. [PMID: 29657928 PMCID: PMC5887695 DOI: 10.4103/abr.abr_259_16] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background Marine organisms produce a variety of compounds with pharmacological activities including anticancer effects. This study attempt to find cytotoxicity of hexane (HEX), dichloromethane (DCM), and butanol (BUTOH) partitions of Sargassum angustifolium. Materials and Methods S. angustifolium was collected from Bushehr, a Southwest coastline of Persian Gulf. The plant was extracted by maceration with methanol-ethyl acetate. The extract was evaporated under vacuum and partitioned by Kupchan method to yield HEX, DCM, and BUTOH partitions. The cytotoxic activity of the extract (150, 450, and 900 μg/ml) was investigated against MCF-7 (breast cancer), HeLa (cervical cancer), and human umbilical vein endothelial cells cell lines by mitochondrial tetrazolium test assay after 72 h. Results The cell survivals of HeLa and MCF-7 cell were decreased by increasing the concentration of extracts from 150 μg/ml to 900 μg/ml. The median growth inhibitory concentration value of HEX partition was 71 and 77 μg/ml against HeLa and MCF-7, dichloromethane partition was 36 and 88 μg/ml against HeLa and MCF-7, respectively. BUTOH partition was 25 μg/ml against MCF-7. Conclusion This study reveals that different partitions of S. angustifolium have cytotoxic activity against cancer cell lines.
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Affiliation(s)
- Golnaz Vaseghi
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Sharifi
- Department of Pharmacognosy, Isfahan Pharmaceutical Research Centre, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nasim Dana
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ahmad Ghasemi
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Afsaneh Yegdaneh
- Department of Pharmacognosy, Isfahan Pharmaceutical Research Centre, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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Barbero H, Díez-Poza C, Barbero A. The Oxepane Motif in Marine Drugs. Mar Drugs 2017; 15:E361. [PMID: 29140270 PMCID: PMC5706050 DOI: 10.3390/md15110361] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 11/03/2017] [Accepted: 11/08/2017] [Indexed: 12/12/2022] Open
Abstract
Oceans have shown to be a remarkable source of natural products. The biological properties of many of these compounds have helped to produce great advances in medicinal chemistry. Within them, marine natural products containing an oxepanyl ring are present in a great variety of algae, sponges, fungus and corals and show very important biological activities, many of them possessing remarkable cytotoxic properties against a wide range of cancer cell lines. Their rich chemical structures have attracted the attention of many researchers who have reported interesting synthetic approaches to these targets. This review covers the most prominent examples of these types of compounds, focusing the discussion on the isolation, structure determination, medicinal properties and total synthesis of these products.
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Affiliation(s)
- Héctor Barbero
- GIR MIOMeT, IU CINQUIMA/Inorganic Chemistry, University of Valladolid, Campus Miguel Delibes, 47011 Valladolid, Spain.
| | - Carlos Díez-Poza
- Department of Organic Chemistry, University of Valladolid, Campus Miguel Delibes, 47011 Valladolid, Spain.
| | - Asunción Barbero
- Department of Organic Chemistry, University of Valladolid, Campus Miguel Delibes, 47011 Valladolid, Spain.
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Al-Enazi NM, Awaad AS, Alqasoumi SI, Alwethairi MF. Biological activities of the red algae Galaxaura rugosa and Liagora hawaiiana butters. Saudi Pharm J 2017; 26:25-32. [PMID: 29379330 PMCID: PMC5783822 DOI: 10.1016/j.jsps.2017.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 11/12/2017] [Indexed: 11/29/2022] Open
Abstract
The biological activities; antimicrobial, antioxidant and anticancer, of the red algae Galaxaura rugosa and Liagora hawaiiana were determined. The total ethanol, lipoidal matters, chloroform, n-butanol, aqueous extracts and powder of both algae showed and bacterial and antifungal activities. However, the chloroform extract of Galaxaura rugosa showed antibacterial activity against Klebsiella pneumoniae (24 mm, 0.15 mg/ml) higher than gentamycin (23 mm, 0.49 mg/ml). Moreover, the total ethanol, lipoidal matter and chloroform extracts showed antifungal activity (21, 22 and 25 mm, 1.25, 0.312 and 0.156 mg/ml) similar to the antibiotic Ketoconazole activity (23, 24 and 27 mm, 1.25, 0.312 and 0.156 mg/ml) against Aspergillus fumigatus, A. niger and Candida trobicalis, respectively. A good antioxidant activity (80.96%, IC50 = 27.8 µg/ml) was provided by Galaxaura rugosa. The anticancer activity results revealed that the lipoidal matters of Galaxaura rugosa and Liagora hawaiiana possessed antitumor activity (IC50 = 15 ± 1.7 and 21.2 ± 1.6, respectively) against lung carcinoma (A-549) better than vinblastine sulfate (IC50 = 24.6 ± 0.7). Although, the lipoidal matters of Galaxaura rugosa and Liagora hawaiiana antitumor activity against cervical carcinoma (HeLa) and intestinal carcinoma (CACO-2) (IC50 = 10.2 ± 0.6 and 12.2 ± 0.6, respectively) preferable than vinblastine sulfate (IC50 = 59.7 ± 2.1 and 30.3 ± 1.4, respectively).
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Affiliation(s)
- Nouf M Al-Enazi
- Biology Department, College of Science and Humanity Studies, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Amani S Awaad
- Pharmacognosy Department, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Saleh I Alqasoumi
- Pharmacognosy Department, College of Pharmacy, King Saud University, Saudi Arabia
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Mellouk Z, Benammar I, Krouf D, Goudjil M, Okbi M, Malaisse W. Antioxidant properties of the red alga Asparagopsis taxiformis collected on the North West Algerian coast. Exp Ther Med 2017; 13:3281-3290. [PMID: 28587401 PMCID: PMC5450726 DOI: 10.3892/etm.2017.4413] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 02/01/2017] [Indexed: 12/27/2022] Open
Abstract
The aim of the present study was to evaluate the total phenolic and lipid content, fatty acids profiles and in vitro antioxidant activities of aqueous and solvent extracts of the red seaweed Asparagopsis taxiformis, through six different investigations. The present study demonstrated that phenol contents (mg gallic acid/g dry weight) were highest in the aqueous and methanolic extracts, followed by the ethanolic, hydroethanolic and hydromethanolic extracts. The lowest phenol contents were identified in the three remaining extracts: Butanolic, petroleum ether and acetone extracts. Furthermore, the total lipid content of the algae powder amounted to 2.85% of dry weight. The fatty acid methyl ester profiles analysed by gas-liquid chromatography represented indicated that fatty acids comprised 91.0±0.3% of total algae lipids. The saturated to unsaturated fatty acid contents amounted to 23.2±0.1 and 67.9±0.4% respectively. C13:0 (tridecanoate), C15:0 (pentadecanoate) and C17:0 (heptadecanoate) represented 47.4% of the total saturated fatty acids. Notably, the two most abundant unsaturated fatty acids, C15:1 (pentadecenoate) and C18:2 (octadecadienoate) represented 13.4 and 11.4% respectively, of the total unsaturated fatty acid content. Furthermore, the results of the antioxidant screening performed at 1.0 mg/ml, revealed that aqueous and methanolic extracts exhibited higher inhibition against superoxide and nitric oxide radicals and excellent radical scavenging activity [with half maximal inhibitory concentration (IC50) values 5.1 and 15.0 µg/ml, respectively], demonstrating improved antioxidant behavior when compared with standard ascorbic acid (which has an IC50 value of 3.7 µg/ml). Scavenging activity of the aqueous and methanolic extracts exhibited a strong peroxidation inhibition against linoleic acid emulsion system at a concentration of 300 µg/ml in comparison to the butylated hydroxyltoluene. Although all the studied extracts exhibited ferric reducing power, the aqueous and methanolic extracts had greater hydrogen donating ability. By contrast, hydromethanolic, ethanolic, hydroethanolic, butanolic, acetone and petroleum ether extracts exhibited weak antioxidant behavior. The antioxidant activity of potent seaweed species identified in the current study means that as well as being used as a functional food, they may be developed as novel pharmaceutical compounds and may be used as anti-ageing agents.
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Affiliation(s)
- Zoheir Mellouk
- Laboratory of Physiology of Nutrition and Food Safety, Faculty of Natural and Life Sciences, University of Oran 1 Ahmed Ben Bella, 31000 Oran, Algeria
| | - Ilhem Benammar
- Laboratory of Development and Differentiation Biology, Faculty of Natural and Life Sciences, University of Oran 1 Ahmed Ben Bella, 31000 Oran, Algeria
| | - Djamil Krouf
- Laboratory of Clinical and Metabolic Nutrition, Faculty of Natural and Life Sciences, University of Oran 1 Ahmed Ben Bella, 31000 Oran, Algeria
| | - Makhlouf Goudjil
- Department of Biology, Faculty of Natural and Life Sciences, University of Oran 1 Ahmed Ben Bella, 31000 Oran, Algeria
| | - Meriem Okbi
- Department of Biology, Faculty of Natural and Life Sciences, University of Oran 1 Ahmed Ben Bella, 31000 Oran, Algeria
| | - Willy Malaisse
- Department of Biochemistry, Université Libre de Bruxelles, B-1070 Brussels, Belgium
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Chamni S, Sirimangkalakitti N, Chanvorachote P, Saito N, Suwanborirux K. Chemistry of Renieramycins. 17. A New Generation of Renieramycins: Hydroquinone 5-O-Monoester Analogues of Renieramycin M as Potential Cytotoxic Agents against Non-Small-Cell Lung Cancer Cells. JOURNAL OF NATURAL PRODUCTS 2017; 80:1541-1547. [PMID: 28459574 DOI: 10.1021/acs.jnatprod.7b00068] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A series of hydroquinone 5-O-monoester analogues of renieramycin M were semisynthesized via bishydroquinonerenieramycin M (5) prepared from renieramycin M (1), a major cytotoxic bistetrahydroisoquinolinequinone alkaloid isolated from the Thai blue sponge Xestospongia sp. All 20 hydroquinone 5-O-monoester analogues possessed cytotoxicity with IC50 values in nanomolar concentrations against the H292 and H460 human non-small-cell lung cancer (NSCLC) cell lines. The improved cytotoxicity toward the NSCLC cell lines was observed from the 5-O-monoester analogues such as 5-O-acetyl ester 6a and 5-O-propanoyl ester 7e, which exhibited 8- and 10-fold increased cytotoxicity toward the H292 NSCLC cell line (IC50 3.0 and 2.3 nM, respectively), relative to 1 (IC50 24 nM). Thus, the hydroquinone 5-O-monoester analogues are a new generation of the renieramycins to be further developed as potential marine-derived drug candidates for lung cancer treatment.
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Affiliation(s)
| | | | | | - Naoki Saito
- Graduate School of Pharmaceutical Sciences, Meiji Pharmaceutical University , 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
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Pejin B, Glumac M. A brief review of potent anti-CNS tumourics from marine sponges: covering the period from 1994 to 2014. Nat Prod Res 2017; 32:375-384. [DOI: 10.1080/14786419.2017.1309400] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Boris Pejin
- Department of Life Sciences, Institute for Multidisciplinary Research – IMSI, University of Belgrade, Belgrade, Serbia
| | - Miodrag Glumac
- School of Food Science and Biotechnology – SFSB, Food Oral Processing Laboratory, Zhejiang Gongshang University, Hangzhou, People’s Republic of China
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Kolsi RBA, Fakhfakh J, Krichen F, Jribi I, Chiarore A, Patti FP, Blecker C, Allouche N, Belghith H, Belghith K. Structural characterization and functional properties of antihypertensive Cymodocea nodosa sulfated polysaccharide. Carbohydr Polym 2016; 151:511-522. [DOI: 10.1016/j.carbpol.2016.05.098] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 05/19/2016] [Accepted: 05/27/2016] [Indexed: 01/25/2023]
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Singh P, Singh RS, Rani A, Bast F. Homology modeling of chemokine CCR7, molecular docking, and in vitro studies evidenced plausible immunotherapeutic anticancer natural compounds. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1647-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Ilavenil S, Kim DH, Vijayakumar M, Srigopalram S, Roh SG, Arasu MV, Lee JS, Choi KC. Potential role of marine algae extract on 3T3-L1 cell proliferation and differentiation: an in vitro approach. Biol Res 2016; 49:38. [PMID: 27604997 PMCID: PMC5013630 DOI: 10.1186/s40659-016-0098-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 08/22/2016] [Indexed: 01/08/2023] Open
Abstract
Background From ancient times, marine algae have emerged as alternative medicine and foods, contains the rich source of natural products like proteins, vitamins, and secondary metabolites, especially Chlorella vulgaris (C. vulgaris) contains numerous anti-inflammatory, antioxidants and wound healing substances. Type 2 diabetes mellitus is closely associated with adipogenesis and their factors. Hence, we aimed to investigate the chemical constituents and adipogenic modulatory properties of C. vulgaris in 3T3-L1 pre-adipocytes. Results We analysed chemical constituents in ethanolic extract of C. vulgaris (EECV) by LC–MS. Results revealed that the EECV contains few triterpenoids and saponin compounds. Further, the effect of EECV on lipid accumulation along with genes and proteins expressions which are associated with adipogenesis and lipogenesis were evaluated using oil red O staining, qPCR and western blot techniques. The data indicated that that EECV treatment increased differentiation and lipid accumulation in 3T3-L1 cells, which indicates positive regulation of adipogenic and lipogenic activity. These increases were associated with up-regulation of PPAR-γ2, C/EBP-α, adiponectin, FAS, and leptin mRNA and protein expressions. Also, EECV treatments increased the concentration of glycerol releases as compared with control cells. Troglitazone is a PPAR-γ agonist that stimulates the PPAR-γ2, adiponectin, and GLUT-4 expressions. Similarly, EECV treatments significantly upregulated PPAR-γ2, adiponectin, GLUT-4 expressions and glucose utilization. Further, EECV treatment decreased AMPK-α expression as compared with control and metformin treated cells. Conclusion The present research findings confirmed that the EECV effectively modulates the lipid accumulation and differentiation in 3T3-L1 cells through AMPK-α mediated signalling pathway.
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Affiliation(s)
- Soundharrajan Ilavenil
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330-801, Republic of Korea
| | - Da Hye Kim
- The United Graduate School of Agricultural Sciences, Tottori University, Tottori-Shi, 680-8553, Japan
| | - Mayakrishnan Vijayakumar
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330-801, Republic of Korea
| | - Srisesharam Srigopalram
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330-801, Republic of Korea
| | - Sang Gun Roh
- Laboratory of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Aoba, Sendai, Japan
| | - Mariadhas Valan Arasu
- Department of Botany and Microbiology, Addiriyah Chair for Environmental Studies, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Jong Suk Lee
- Bio-center, Gyeonggi Institute of Science and Technology, Suwon, Republic of Korea
| | - Ki Choon Choi
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330-801, Republic of Korea.
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Ruocco N, Costantini S, Costantini M. Blue-Print Autophagy: Potential for Cancer Treatment. Mar Drugs 2016; 14:md14070138. [PMID: 27455284 PMCID: PMC4962028 DOI: 10.3390/md14070138] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 07/11/2016] [Accepted: 07/14/2016] [Indexed: 01/07/2023] Open
Abstract
The marine environment represents a very rich source of biologically active compounds with pharmacological applications. This is due to its chemical richness, which is claiming considerable attention from the health science communities. In this review we give a general overview on the marine natural products involved in stimulation and inhibition of autophagy (a type of programmed cell death) linked to pharmacological and pathological conditions. Autophagy represents a complex multistep cellular process, wherein a double membrane vesicle (the autophagosome) captures organelles and proteins and delivers them to the lysosome. This natural and destructive mechanism allows the cells to degrade and recycle its cellular components, such as amino acids, monosaccharides, and lipids. Autophagy is an important mechanism used by cells to clear pathogenic organism and deal with stresses. Therefore, it has also been implicated in several diseases, predominantly in cancer. In fact, pharmacological stimulation or inhibition of autophagy have been proposed as approaches to develop new therapeutic treatments of cancers. In conclusion, this blue-print autophagy (so defined because it is induced and/or inhibited by marine natural products) represents a new strategy for the future of biomedicine and of biotechnology in cancer treatment.
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Affiliation(s)
- Nadia Ruocco
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy.
- Department of Biology, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cinthia, 80126 Napoli, Italy.
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, Pozzuoli, 80078 Naples, Italy.
| | - Susan Costantini
- CROM, Istituto Nazionale Tumori "Fondazione G. Pascale", IRCCS, 80131 Napoli, Italy.
| | - Maria Costantini
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy.
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16
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Gomes NGM, Dasari R, Chandra S, Kiss R, Kornienko A. Marine Invertebrate Metabolites with Anticancer Activities: Solutions to the "Supply Problem". Mar Drugs 2016; 14:E98. [PMID: 27213412 PMCID: PMC4882572 DOI: 10.3390/md14050098] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 04/29/2016] [Accepted: 05/05/2016] [Indexed: 02/07/2023] Open
Abstract
Marine invertebrates provide a rich source of metabolites with anticancer activities and several marine-derived agents have been approved for the treatment of cancer. However, the limited supply of promising anticancer metabolites from their natural sources is a major hurdle to their preclinical and clinical development. Thus, the lack of a sustainable large-scale supply has been an important challenge facing chemists and biologists involved in marine-based drug discovery. In the current review we describe the main strategies aimed to overcome the supply problem. These include: marine invertebrate aquaculture, invertebrate and symbiont cell culture, culture-independent strategies, total chemical synthesis, semi-synthesis, and a number of hybrid strategies. We provide examples illustrating the application of these strategies for the supply of marine invertebrate-derived anticancer agents. Finally, we encourage the scientific community to develop scalable methods to obtain selected metabolites, which in the authors' opinion should be pursued due to their most promising anticancer activities.
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Affiliation(s)
- Nelson G M Gomes
- REQUIMTE/LAQV, Laboratory of Pharmacognosy, Department of Chemistry, Faculty of Pharmacy, University of Porto, R. Jorge Viterbo Ferreira No. 228, 4050-313 Porto, Portugal.
| | - Ramesh Dasari
- Department of Chemistry and Biochemistry, Texas State University, San Marcos, TX 78666, USA.
| | - Sunena Chandra
- Department of Chemistry and Biochemistry, Texas State University, San Marcos, TX 78666, USA.
| | - Robert Kiss
- Laboratoire de Cancérologie et de Toxicologie Expérimentale, Faculté de Pharmacie, Université Libre de Bruxelles, Campus de la Plaine, CP205/1, Boulevard du Triomphe, 1050 Brussels, Belgium.
| | - Alexander Kornienko
- Department of Chemistry and Biochemistry, Texas State University, San Marcos, TX 78666, USA.
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Quintal-Novelo C, Torres-Tapia LW, Moo-Puc R, Peraza-Sanchez SR. Bio-guided Isolation of a New Sesterterpene from Serjania goniocarpa. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501000906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Serjania goniocarpa is a plant used in Mayan traditional medicine as a remedy for the treatment of cancer-like symptoms. Bio-guided fractionation of the methanol extract of the leaves led to the isolation of an α- and β-amyrin mixture, palmitic acid, phytol and the new sesterterpene goniocarpic acid whose structure was elucidated by IR, GC-MS, and NMR spectroscopic analyses. Goniocarpic acid exhibited cytotoxic and antiproliferative activity against several cancer cell lines.
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Affiliation(s)
- Carlos Quintal-Novelo
- Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Col. Chuburná de Hidalgo, Mérida, Yucatán, México 97200
| | - Luis W. Torres-Tapia
- Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Col. Chuburná de Hidalgo, Mérida, Yucatán, México 97200
| | - Rosa Moo-Puc
- Unidad de Investigación Médica, Centro Médico Ignacio García Téllez, Instituto Mexicano del Seguro Social (IMSS), Calle 41 No. 439, Colonia Industrial, Mérida, Yucatán, México 97150
| | - Sergio R. Peraza-Sanchez
- Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Col. Chuburná de Hidalgo, Mérida, Yucatán, México 97200
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18
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Hamed I, Özogul F, Özogul Y, Regenstein JM. Marine Bioactive Compounds and Their Health Benefits: A Review. Compr Rev Food Sci Food Saf 2015. [DOI: 10.1111/1541-4337.12136] [Citation(s) in RCA: 216] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Imen Hamed
- Biotechnology Centre; Cukurova Univ; Adana Turkey
| | - Fatih Özogul
- Dept. of Seafood Processing Technology, Faculty of Fisheries; Cukurova Univ; Adana Turkey
| | - Yesim Özogul
- Dept. of Seafood Processing Technology, Faculty of Fisheries; Cukurova Univ; Adana Turkey
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19
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Erfani N, Nazemosadat Z, Moein M. Cytotoxic activity of ten algae from the Persian Gulf and Oman Sea on human breast cancer cell lines; MDA-MB-231, MCF-7, and T-47D. Pharmacognosy Res 2015; 7:133-7. [PMID: 25829786 PMCID: PMC4357963 DOI: 10.4103/0974-8490.150539] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Revised: 08/12/2014] [Accepted: 02/02/2015] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Seaweeds have proven to be a promising natural source of bioactive metabolites for drug development. OBJECTIVE This study aimed to monitor the ethanol extract of ten algae from the Persian Gulf and Oman Sea, for their in vitro cytotoxic activity on three human breast cancer cell lines. MATERIALS AND METHODS Three human breast cancer cell lines including MDA-MB-231(ER(-)), MCF-7(ER(+)), and T-47D (ER(+)) were treated by different concentrations of total ethanol (90%) algae extracts and the cytotoxic effects were evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. Doxorubicin (Ebewe, Austria) was used as a positive control. After 72 h of incubation, the cytotoxic effect of the algae was calculated and presented as 50%-inhibitory concentration (IC50). RESULTS The results indicated Gracilaria foliifera and Cladophoropsis sp. to be the most active algae in terms of cytotoxic effects on the investigated cancer cell lines. The IC50 values against MDA-MB-231, MCF-7, and T-47D cells were, respectively, 74.89 ± 21.71, 207.81 ± 12.07, and 203.25 ± 30.98 µg/ml for G. foliifera and 66.48 ± 4.96, 150.86 ± 51.56 and >400 µg/ml for Cladophoropsis sp. The rest of the algal extracts were observed not to have significant cytotoxic effects in the concentration range from 6.25 µg/ml to 400 µg/ml. CONCLUSION Our data conclusively suggest that G. foliifera and Cladophoropsis sp. may be good candidates for further fractionation to obtain novel anticancer substances. Moreover, stronger cytotoxic effects on estrogen negative breast cancer cell line (MDA-MB-231(ER(-))) in comparison to estrogen positive cells (MCF-7 and T-47D) suggest that the extract of G. foliifera and Cladophoropsis sp. may have an estrogen receptor/progesterone receptor-independent mechanism for their cellular growth inhibition.
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Affiliation(s)
- Nasrollah Erfani
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz, Iran
| | | | - Mahmoodreza Moein
- Medicinal Plants Processing Research Center, Shiraz, Iran ; Department of Pharmacognosy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
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20
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Statistical research on the bioactivity of new marine natural products discovered during the 28 years from 1985 to 2012. Mar Drugs 2015; 13:202-21. [PMID: 25574736 PMCID: PMC4306932 DOI: 10.3390/md13010202] [Citation(s) in RCA: 141] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 12/22/2014] [Indexed: 01/08/2023] Open
Abstract
Every year, hundreds of new compounds are discovered from the metabolites of marine organisms. Finding new and useful compounds is one of the crucial drivers for this field of research. Here we describe the statistics of bioactive compounds discovered from marine organisms from 1985 to 2012. This work is based on our database, which contains information on more than 15,000 chemical substances including 4196 bioactive marine natural products. We performed a comprehensive statistical analysis to understand the characteristics of the novel bioactive compounds and detail temporal trends, chemical structures, species distribution, and research progress. We hope this meta-analysis will provide useful information for research into the bioactivity of marine natural products and drug development.
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21
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Bansal R, Acharya PC. Man-Made Cytotoxic Steroids: Exemplary Agents for Cancer Therapy. Chem Rev 2014; 114:6986-7005. [DOI: 10.1021/cr4002935] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Ranju Bansal
- University Institute of Pharmaceutical
Sciences, Panjab University, Chandigarh-160014, India
| | - Pratap Chandra Acharya
- University Institute of Pharmaceutical
Sciences, Panjab University, Chandigarh-160014, India
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22
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Goh SH, Alitheen NBM, Yusoff FM, Yap SK, Loh SP. Crude ethyl acetate extract of marine microalga, Chaetoceros calcitrans, induces Apoptosis in MDA-MB-231 breast cancer cells. Pharmacogn Mag 2014; 10:1-8. [PMID: 24696543 PMCID: PMC3969653 DOI: 10.4103/0973-1296.126650] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2013] [Revised: 05/13/2013] [Accepted: 02/07/2014] [Indexed: 12/30/2022] Open
Abstract
Background: Marine brown diatom Chaetoceros calcitrans and green microalga Nannochloropsis oculata are beneficial materials for various applications in the food, nutraceutical, pharmaceutical and cosmeceutical industries. Objective: This study investigated cytotoxicity of different crude solvent extracts from C. calcitrans and N. oculata against various cancer cell lines. Materials and Methods: 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay was carried out to screen the cytotoxic effects of hexane (Hex), dichloromethane (DCM), ethyl acetate, and methanol extract from C. calcitrans and N. oculata toward various cancer cell lines. Flow cytometry cell cycle was used to determine the cell cycle arrest while the mode of cell death was investigated through acridine orange/propidium iodide (AOPI) staining, Annexin V-Fluorescein Isothiocyanate (FITC) and Terminal deoxynucleotidyl transferase-mediated d-UTP Nick End Labeling (TUNEL) assays. Expression profile of apoptotic and proliferative-related genes was then determined using the multiplex gene expression profiler (GeXP). Results: Crude ethyl acetate (CEA) extract of C. calcitrans inhibited growth of MDA-MB-231 cells, with IC50 of 60 μg/mL after 72 h of treatment. Further studies were conducted to determine the mode of cell death at various concentrations of this extract: 30, 60 and 120 μg/mL. The mode of cell death was mainly apoptosis as shown through apoptosis determination test. The expression data from GeXP showed that caspase-4 was upregulated while B-cell leukemia/lymphoma 2(Bcl-2) was down regulated. Thus, caspase-4 induction endoplasmic reticulum death pathway is believed to be one of the mechanisms underlying the induction of apoptosis while Bcl-2 induced S and G2/M cell cycle phase arrest in MDA-MB-231 cells. Conclusion: CEA extract of C. calcitrans showed the highest cytotoxicity on MDA-MB-231 via apoptosis.
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Affiliation(s)
- Su Hua Goh
- Laboratory of Molecular Biomedicine, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Noorjahan Banu Mohamed Alitheen
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Fatimah Md Yusoff
- Laboratory of Marine Science and Aquaculture, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Swee Keong Yap
- Laboratory of Molecular Biomedicine, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Su Peng Loh
- Laboratory of Molecular Biomedicine, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia ; Department of Nutrition and Health Sciences, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
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23
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Antioxidant and anticancer activities of selected persian gulf algae. Indian J Clin Biochem 2013; 29:13-20. [PMID: 24478544 DOI: 10.1007/s12291-013-0313-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2012] [Accepted: 03/11/2013] [Indexed: 12/15/2022]
Abstract
In the present study, the effect of red (Gracillaria corticata), green (Ulva fasciata) and brown (Sargassum ilicifolium) seaweeds alcoholic extract, against five important human cancer cell lines (MCF-7, MDA-MB-231, HeLa, HepG2, and HT-29) proliferation, apoptosis and cell cycle arrest were evaluated. The reducing activity and total polyphenol content were also investigated. MTT assay was used for cytotoxicity test. Morphological alterations were examined using phase contrast, fluorescent and electron microscopy. All the extracts were antiproliferative against all the cancer cell lines, dose-dependently, with G. corticata methanol extract (GCME) having the greatest inhibition activity against MCF-7 cell line. The percentage of apoptosis increased from 18 to 78 %. The cell cycle analysis also showed that GCME can induce apoptosis which confirm by TEM. Algal extract reducing activities were as follows: G. corticata > S. ilicifolium > U. fasciata. The GCME is a good source of potential complementary and alternative functional food for prevention and treatment of cancer.
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24
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Beedessee G, Ramanjooloo A, Aubert G, Eloy L, Surnam-Boodhun R, Soest RWMV, Cresteil T, Marie DEP. Cytotoxic activities of hexane, ethyl acetate and butanol extracts of marine sponges from Mauritian Waters on human cancer cell lines. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2012; 34:397-408. [PMID: 22743579 DOI: 10.1016/j.etap.2012.05.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Revised: 05/24/2012] [Accepted: 05/29/2012] [Indexed: 06/01/2023]
Abstract
The ocean is an exceptional source of natural products with many of them exhibiting novel structural features and bioactivity. As one of the most interesting phylum with respect to pharmacological active marine compounds, Poriferas have been investigated widely in the last few decades. A total of 60 organic extracts (hexane, ethyl acetate and butanol) from 20 species of marine sponges from Mauritius were screened at 50μg/ml in an in vitro screening assay against 9 human cancer cell lines. From these tested extracts, many exhibited pronounced cytotoxic effect at least in one of the cell lines and cell type cytotoxic specificity was observed. 27% of ethyl acetate, 11% of hexane and 2% of butanol extracts were found to possess a cytotoxicity ≥75% on 9 different cancer cell lines with the sponges Petrosia sp. 1, Petrosia sp. 2, Pericharax heteroraphis and Jaspis sp. being the most active. Overall, the HL-60cells were much more sensitive to most of the extracts than the other cell lines. We further evaluated the properties of the ethyl acetate (JDE) and hexane extract (JDH) of one sponge, Jaspis sp. on KB cells. JDE displayed a smaller IC(50) than JDH. Clonogenic assay confirmed the antiproliferative effect of both extracts while mitochondrial membrane potential change and microscopic analysis demonstrated extracts-induced apoptosis. Treatment with 100ng/ml of JDE led to a significant increase of cells (24h: 4.02%; 48h: 26.23%) in sub-G1 phase. The cytotoxic properties of the tested extracts from these sponges suggest the presence of compounds with pharmacological potential and are currently undergoing fractionation to isolate the active constituents.
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Affiliation(s)
- Girish Beedessee
- Mauritius Oceanography Institute, France Centre, Quatre-Bornes, Mauritius
| | - Avin Ramanjooloo
- Mauritius Oceanography Institute, France Centre, Quatre-Bornes, Mauritius
| | - Geneviève Aubert
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Centre de Recherche de Gif, Gif sur Yvette, France
| | - Laure Eloy
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Centre de Recherche de Gif, Gif sur Yvette, France
| | | | - Rob W M van Soest
- Netherlands Centre for Biodiversity Naturalis, Leiden, The Netherlands
| | - Thierry Cresteil
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Centre de Recherche de Gif, Gif sur Yvette, France
| | - Daniel E P Marie
- Mauritius Oceanography Institute, France Centre, Quatre-Bornes, Mauritius.
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Zhai HY, Zhao C, Zhang N, Jin MN, Tang SA, Qin N, Kong DX, Duan HQ. Alkaloids from Pachysandra terminalis inhibit breast cancer invasion and have potential for development as antimetastasis therapeutic agents. JOURNAL OF NATURAL PRODUCTS 2012; 75:1305-11. [PMID: 22804108 DOI: 10.1021/np300207c] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The aim of the present study was to identify potentially useful natural compounds for the development of novel therapeutic agents to inhibit metastasis. A phytochemical investigation of Pachysandra terminalis resulted in the isolation of seven new pregnane alkaloids, terminamines A-G (1-7), and seven known alkaloids (8-14). The structures of 1-7 were elucidated by 1D- and 2D-NMR spectroscopic and mass spectrometric methods. Compounds 1-5 and 8-14 inhibited the migration of MB-MDA-231 breast cancer cells induced by the chemokine epithelial growth factor. In addition, compound 1 inhibited phosphorylation of integrin β(1), which plays an important role in MB-MDA-231 cell adhesion and metastasis.
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Affiliation(s)
- Hui-Yuan Zhai
- Tianjin Key Laboratory on Technologies Enabling Development Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University , Tianjin 300070, People's Republic of China
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26
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Rocha J, Peixe L, Gomes NC, Calado R. Cnidarians as a source of new marine bioactive compounds--an overview of the last decade and future steps for bioprospecting. Mar Drugs 2011; 9:1860-1886. [PMID: 22073000 PMCID: PMC3210609 DOI: 10.3390/md9101860] [Citation(s) in RCA: 140] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2011] [Revised: 09/20/2011] [Accepted: 09/21/2011] [Indexed: 12/14/2022] Open
Abstract
Marine invertebrates are rich sources of bioactive compounds and their biotechnological potential attracts scientific and economic interest worldwide. Although sponges are the foremost providers of marine bioactive compounds, cnidarians are also being studied with promising results. This diverse group of marine invertebrates includes over 11,000 species, 7500 of them belonging to the class Anthozoa. We present an overview of some of the most promising marine bioactive compounds from a therapeutic point of view isolated from cnidarians in the first decade of the 21st century. Anthozoan orders Alcyonacea and Gorgonacea exhibit by far the highest number of species yielding promising compounds. Antitumor activity has been the major area of interest in the screening of cnidarian compounds, the most promising ones being terpenoids (monoterpenoids, diterpenoids, sesquiterpenoids). We also discuss the future of bioprospecting for new marine bioactive compounds produced by cnidarians.
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Affiliation(s)
- Joana Rocha
- Instituto de Ciencias Biomedicas Abel Salazar, Universidade do Porto, Largo Professor Abel Salazar no. 2, 4099-003 Porto, Portugal
- Departmento de Biologia & CESAM, Universidade de Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal; E-Mail:
| | - Luisa Peixe
- REQUIMTE, Laboratorio de Microbiologia, Faculdade de Farmacia, Universidade do Porto, Rua Anibal Cunha no. 164, 4050-047 Porto, Portugal; E-Mail:
| | - Newton C.M. Gomes
- Departmento de Biologia & CESAM, Universidade de Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal; E-Mail:
| | - Ricardo Calado
- Departmento de Biologia & CESAM, Universidade de Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal; E-Mail:
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Nagarajan M, Maruthanayagam V, Sundararaman M. A review of pharmacological and toxicological potentials of marine cyanobacterial metabolites. J Appl Toxicol 2011; 32:153-85. [PMID: 21910132 DOI: 10.1002/jat.1717] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 06/22/2011] [Accepted: 06/22/2011] [Indexed: 11/07/2022]
Abstract
Novel toxic metabolites from marine cyanobacteria have been thoroughly explored. Biologically active and chemically diverse compounds that could be hepatotoxic, neurotoxic or cytotoxic, such as cyclic peptides, lipopeptides, fatty acid amides, alkaloids and saccharides, have been produced from marine cyanobacteria. Many reports have revealed that biosynthesis of active metabolites is predominant during cyanobacterial bloom formation. Marine cyanobacterial toxic metabolites exhibit important biological properties, such as interfering in signal transduction either by activation or blockage of sodium channels or by targeting signaling proteins; inducing apoptosis by disrupting cytoskeletal proteins; and inhibiting membrane transporters, receptors, serine proteases and topoisomerases. The pharmacological importance of these metabolites resides in their proliferation and growth-controlling abilities towards cancer cell lines and disease-causing potent microbial agents (bacteria, virus, fungi and protozoa). Besides their toxic and pharmacological potentials, the present review discusses structural and functional resemblance of marine cyanobacterial metabolites to marine algae, sponges and mollusks.
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Affiliation(s)
- M Nagarajan
- Department of Marine Biotechnology, School of Marine Sciences, Bharathidasan University, Tiruchirappalli-620 024, Tamil Nadu, India
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Hu JF, Fan H, Xiong J, Wu SB. Discorhabdins and Pyrroloiminoquinone-Related Alkaloids. Chem Rev 2011; 111:5465-91. [DOI: 10.1021/cr100435g] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jin-Feng Hu
- Department of Natural Products Chemistry, School of Pharmacy, Fudan University, No. 826 Zhangheng Road, Shanghai 201203, China
| | - Hui Fan
- Department of Natural Products for Chemical Genetic Research, Key Laboratory of Brain Functional Genomics, Ministry of Education, East China Normal University, No. 3663 Zhongshan Road N, Shanghai 200062, China
| | - Juan Xiong
- Department of Natural Products Chemistry, School of Pharmacy, Fudan University, No. 826 Zhangheng Road, Shanghai 201203, China
| | - Shi-Biao Wu
- Department of Natural Products for Chemical Genetic Research, Key Laboratory of Brain Functional Genomics, Ministry of Education, East China Normal University, No. 3663 Zhongshan Road N, Shanghai 200062, China
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Bhimba BV, Franco DAAD, Jose GM, Mathew JM, Joel EL. Characterization of cytotoxic compound from mangrove derived fungi Irpex hydnoides VB4. Asian Pac J Trop Biomed 2011; 1:223-6. [PMID: 23569763 PMCID: PMC3609188 DOI: 10.1016/s2221-1691(11)60031-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Revised: 02/25/2011] [Accepted: 03/10/2011] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE To investigate the cytotoxic activity of endophytic fungi isolated from mangrove fungi. METHODS In the present study the DNA was isolated and the ITS region of 5.8s rRNA was amplified using specific primers ITS 1 and ITS4 and sequence was determined using automated sequencers. Blast search sequence similarity was found against the existing non redundant nucleotide sequence database thus, identified as Aspergilus flavus, Hyporcaea lixii, Aspergillus niger, Eutorium amstelodami, Irpex hydnoides and Neurospora crassa. Among the seven isolates, one fungi Irpex hydnoides was selected for further studies. The fungi were grown in sabouraud broth for five days and filtrate were separated and subjected to ethyl acetate for further studies. RESULTS Nearly half (49.25%) of the extracts showed activity (IC50 of 125µg/mL). These values were within the cutoff point of the National Cancer Institute criteria for cytotoxicity (IC50<20 µg/mL) in the screening of crude plant extracts. The GC MS analysis revealed that the active principals might be Tetradecane (6.26%) with the RT 8.606. CONCLUSIONS It is clear from the present study that mangrove fungi with bioactive metabolites can be expected to provide high quality biological material for high throughout biochemical, anti cancer screening programmes. The results help us conclude that the potential of using metabolic engineering and post genomic approaches to isolate more novel bioactive compounds and to make their possible commercial application is not far off.
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30
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Mayer AMS, Rodríguez AD, Berlinck RGS, Fusetani N. Marine pharmacology in 2007-8: Marine compounds with antibacterial, anticoagulant, antifungal, anti-inflammatory, antimalarial, antiprotozoal, antituberculosis, and antiviral activities; affecting the immune and nervous system, and other miscellaneous mechanisms of action. Comp Biochem Physiol C Toxicol Pharmacol 2011; 153:191-222. [PMID: 20826228 PMCID: PMC7110230 DOI: 10.1016/j.cbpc.2010.08.008] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2010] [Revised: 08/25/2010] [Accepted: 08/25/2010] [Indexed: 11/23/2022]
Abstract
The peer-reviewed marine pharmacology literature in 2007-8 is covered in this review, which follows a similar format to the previous 1998-2006 reviews of this series. The preclinical pharmacology of structurally characterized marine compounds isolated from marine animals, algae, fungi and bacteria is discussed in a comprehensive manner. Antibacterial, anticoagulant, antifungal, antimalarial, antiprotozoal, antituberculosis and antiviral activities were reported for 74 marine natural products. Additionally, 59 marine compounds were reported to affect the cardiovascular, immune and nervous systems as well as to possess anti-inflammatory effects. Finally, 65 marine metabolites were shown to bind to a variety of receptors and miscellaneous molecular targets, and thus upon further completion of mechanism of action studies, will contribute to several pharmacological classes. Marine pharmacology research during 2007-8 remained a global enterprise, with researchers from 26 countries, and the United States, contributing to the preclinical pharmacology of 197 marine compounds which are part of the preclinical marine pharmaceuticals pipeline. Sustained preclinical research with marine natural products demonstrating novel pharmacological activities, will probably result in the expansion of the current marine pharmaceutical clinical pipeline, which currently consists of 13 marine natural products, analogs or derivatives targeting a limited number of disease categories.
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Affiliation(s)
- Alejandro M S Mayer
- Department of Pharmacology, Chicago College of Osteopathic Medicine, Midwestern University, 555 31st Street, Downers Grove, IL 60515, USA.
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31
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Lin YS, Fazary AE, Chen CH, Kuo YH, Shen YC. Asterolaurins G - J, New Xenicane Diterpenoids from the Taiwanese Soft Coral Asterospicularia laurae. Helv Chim Acta 2011. [DOI: 10.1002/hlca.201000192] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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32
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Elkin GJ, Rojas JJ, Martínez A. Pharmacological Developments Obtained from Marine Natural Products and Current Pipeline Perspective. Nat Prod Commun 2011. [DOI: 10.1177/1934578x1100600233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Marine organisms represent a new extensive source for bioactive molecules. They have the potential to provide new therapeutic alternatives to treat human diseases. In this paper, we describe and discuss a variety of isolated and semisynthetic molecules obtained from marine sources. These compounds are in phase II, phase III and at the commercialization stage of new drug development. A description of the mechanism of action, dosage used and side effects are also reported. The positive results obtained from these studies have triggered the development of new studies to evaluate the prospects for utilization of marine organisms.
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Affiliation(s)
- Galeano J. Elkin
- Marine Natural Products Research Group, School of Pharmaceutical Chemistry, The University of Antioquia Medellin, Colombia
| | - Jhon J. Rojas
- School of Pharmaceutical Chemistry, University of Antioquia, Medellin, Colombia
| | - Alejandro Martínez
- Marine Natural Products Research Group, School of Pharmaceutical Chemistry, The University of Antioquia Medellin, Colombia
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33
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Lan HQ, Ruan YP, Huang PQ. The first enantioselective synthesis of cytotoxic marine natural product palau’imide and assignment of its C-20 stereochemistry. Chem Commun (Camb) 2010; 46:5319-21. [DOI: 10.1039/c0cc00452a] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Allepuz AC, Badorrey R, DÃaz-de-Villegas MD, Gálvez JA. Asymmetric Synthesis of ES-285, an Anticancer Agent Isolated from Marine Sources. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900828] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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35
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Zubia M, Fabre MS, Kerjean V, Lann KL, Stiger-Pouvreau V, Fauchon M, Deslandes E. Antioxidant and antitumoural activities of some Phaeophyta from Brittany coasts. Food Chem 2009. [DOI: 10.1016/j.foodchem.2009.03.025] [Citation(s) in RCA: 165] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Sun X, Zhou X, Cai M, Tao K, Zhang Y. Identified biosynthetic pathway of aspergiolide A and a novel strategy to increase its production in a marine-derived fungus Aspergillus glaucus by feeding of biosynthetic precursors and inhibitors simultaneously. BIORESOURCE TECHNOLOGY 2009; 100:4244-4251. [PMID: 19386490 DOI: 10.1016/j.biortech.2009.03.061] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2008] [Revised: 03/21/2009] [Accepted: 03/23/2009] [Indexed: 05/27/2023]
Abstract
Aspergiolide A is a novel anti-tumor anthraquinone derivant produced by marine-derived fungus Aspergillus glaucus. To identify its biosynthetic pathway and further improve the production, the effects of biosynthetic pathway specific inhibitors and precursors were investigated. Cerulenin and iodoacetamide, the specific inhibitors of polyketide pathway, could completely inhibit the aspergiolide A accumulation. Putative precursors of polyketide pathway could increase aspergiolide A production greatly, such as 6 mM acetate increased production by 135%. Simvastatin and citrate, the inhibitors of mevalonate pathway, stimulated the production by 63% and 179%, respectively. Considering that acetyl-CoA is the common starter unit in both polyketide and mevalonate pathway, a novel strategy was designed to stimulate the aspergiolide A accumulation. Combinations of 12 mM acetate with 0.3 mM simvastatin could increase the production by 151%, while the supplementation with 12 mM acetate and 12 mM citrate brought a 262% increase of aspergiolide A production. The strategy might be very useful to enhance the production of other secondary metabolites derived from polyketide pathway.
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Affiliation(s)
- Xueqian Sun
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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37
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38
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Salma Y, Lafont E, Therville N, Carpentier S, Bonnafé MJ, Levade T, Génisson Y, Andrieu-Abadie N. The natural marine anhydrophytosphingosine, Jaspine B, induces apoptosis in melanoma cells by interfering with ceramide metabolism. Biochem Pharmacol 2009; 78:477-85. [PMID: 19433071 DOI: 10.1016/j.bcp.2009.05.002] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2009] [Revised: 04/30/2009] [Accepted: 05/04/2009] [Indexed: 12/26/2022]
Abstract
Marine environment has frequently afforded a variety of biologically active compounds with strong anticancer and cytotoxic properties. In the present study, the mechanism of action of Jaspine B, an anhydrophytosphingosine derivative isolated from the marine sponge Jaspis sp., was investigated. Jaspine B was able to dose- and time-dependently decrease the viability of murine B16 and human SK-Mel28 melanoma cells. On these cells, Jaspine B treatment triggered cell death by typical apoptosis as illustrated by phosphatidylserine externalization, the release of cytochrome c and caspase processing. These effects were associated with increased intracellular ceramide levels owing to perturbed ceramide metabolism. Indeed, Jaspine B exposure strongly inhibited the activity of sphingomyelin synthase (SMS), an enzyme that converts de novo ceramide into the membrane lipid sphingomyelin. Moreover, whereas Jaspine B-induced cell death was enhanced in SMS1-depleted cells, it was strongly inhibited in cells that stably overexpress human SMS1. Finally, the cytotoxic effects of Jaspine B truncated analogs were also shown to be dependent on SMS activity. Altogether, Jaspine B is able to kill melanoma cells by acting on SMS activity and consequently on ceramide formation, and may represent a new class of cytotoxic compounds with potential applications in anticancer melanoma therapy.
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Affiliation(s)
- Yahya Salma
- Institut National de la Santé et de la Recherche Médicale, Inserm U858, Toulouse, France
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39
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Glaser KB, Mayer AMS. A renaissance in marine pharmacology: from preclinical curiosity to clinical reality. Biochem Pharmacol 2009; 78:440-8. [PMID: 19393227 DOI: 10.1016/j.bcp.2009.04.015] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2009] [Revised: 04/07/2009] [Accepted: 04/15/2009] [Indexed: 10/20/2022]
Abstract
Marine pharmacology, the pharmacology of marine natural products, has been for some time more associated with marine natural products chemistry rather than mainstay pharmacology. However, in recent years a renaissance has occurred in this area of research, and has seen the US Food & Drug Administration (FDA) approval in 2004 of Prialt (ziconotide, omega-conotoxin MVIIA) the synthetic equivalent of a conopeptide found in marine snails, used for the management of severe chronic pain. Furthermore Yondelis) (trabectedin, ET-743) an antitumor agent scovered in a marine colonial tunicate, and now produced synthetically, receiving Orphan Drug designation from the European Commission (EC) and FDA for soft tissue sarcomas and ovarian cancer and its registration in 2007 in the EU for the treatment of soft tissue sarcoma. The approval/marketing of so few marine natural products has come after many years of research primarily by the academic community and the sporadic involvement of major pharmaceutical companies. This commentary, through the opinions provided by several leaders in the marine natural products field, will examine the potential reasons and perceptions from both the academic and pharmaceutical communities regarding the development of marine natural products as viable therapeutic entities.
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Affiliation(s)
- Keith B Glaser
- Cancer Research R47J-AP9, Abbott Laboratories, Abbott Park, IL 60064-6121, USA.
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40
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Mayer AMS, Rodríguez AD, Berlinck RGS, Hamann MT. Marine pharmacology in 2005-6: Marine compounds with anthelmintic, antibacterial, anticoagulant, antifungal, anti-inflammatory, antimalarial, antiprotozoal, antituberculosis, and antiviral activities; affecting the cardiovascular, immune and nervous systems, and other miscellaneous mechanisms of action. Biochim Biophys Acta Gen Subj 2009; 1790:283-308. [PMID: 19303911 DOI: 10.1016/j.bbagen.2009.03.011] [Citation(s) in RCA: 135] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2008] [Revised: 03/09/2009] [Accepted: 03/12/2009] [Indexed: 01/03/2023]
Abstract
BACKGROUND The review presents the 2005-2006 peer-reviewed marine pharmacology literature, and follows a similar format to the authors' 1998-2004 reviews. The preclinical pharmacology of chemically characterized marine compounds isolated from marine animals, algae, fungi and bacteria is systematically presented. RESULTS Anthelmintic, antibacterial, anticoagulant, antifungal, antimalarial, antiprotozoal, antituberculosis and antiviral activities were reported for 78 marine chemicals. Additionally 47 marine compounds were reported to affect the cardiovascular, immune and nervous system as well as possess anti-inflammatory effects. Finally, 58 marine compounds were shown to bind to a variety of molecular targets, and thus could potentially contribute to several pharmacological classes. CONCLUSIONS Marine pharmacology research during 2005-2006 was truly global in nature, involving investigators from 32 countries, and the United States, and contributed 183 marine chemical leads to the research pipeline aimed at the discovery of novel therapeutic agents. GENERAL SIGNIFICANCE Continued preclinical and clinical research with marine natural products demonstrating a broad spectrum of pharmacological activity will probably result in novel therapeutic agents for the treatment of multiple disease categories.
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Affiliation(s)
- Alejandro M S Mayer
- Department of Pharmacology, Chicago College of Osteopathic Medicine, Midwestern University, Downers Grove, IL 60515, USA.
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41
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Vintonyak VV, Kunze B, Sasse F, Maier ME. Total synthesis and biological activity of neopeltolide and analogues. Chemistry 2009; 14:11132-40. [PMID: 18979467 DOI: 10.1002/chem.200801398] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Combining the core structure of neopeltolide, lactone 16 a, with the oxazole-containing side chain 23 via a Mitsunobu reaction provided the cytotoxic natural product neopeltolide (2). The side chain 23 was prepared from oxazolone 24 via the corresponding triflate. Key steps in the preparation of 23 were a Sonogashira coupling, an enamine alkylation, and a Still-Gennari Horner-Emmons reaction. By changing the Leighton reagent in the allylation step, the 11-epimer of lactone 16 a, compound 50 was prepared. This led to 11-epi-neopeltolide 51. The 5-epimer of neopeltolide, compound 52, could be obtained from the minor isomer of the Prins cyclization. Furthermore, a range of analogues with modifications in the side chain were prepared. All derivatives were checked for toxicity effects on mammalian cell cultures and inhibitory effects on NADH oxidation in submitochondrial particles of bovine heart. Modifications in the lactone part are tolerated to some degree. On the other hand, shortening the distance between the oxazole and the lactone causes a significant drop in activity. Analogue 65 with an additional double bond is equally or even more active than neopeltolide itself.
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Affiliation(s)
- Viktor V Vintonyak
- Institut für Organische Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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42
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Wang WLW, McHenry P, Jeffrey R, Schweitzer D, Helquist P, Tenniswood M. Effects of Iejimalide B, a marine macrolide, on growth and apoptosis in prostate cancer cell lines. J Cell Biochem 2009; 105:998-1007. [PMID: 18773415 DOI: 10.1002/jcb.21898] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Iejimalide B, a marine macrolide, causes growth inhibition in a variety of cancer cell lines at nanomolar concentrations. We have investigated the effects of Iejimalide B on cell cycle kinetics and apoptosis in the p53+/AR+ LNCaP and p53-/AR- PC-3 prostate cancer cell lines. Iejimalide B, has a dose and time dependent effect on cell number (as measured by crystal violet assay) in both cell lines. In LNCaP cells Iejimalide B induces a dose dependent G0/G1 arrest and apoptosis at 48 h (as measured by Apo-BrdU staining). In contrast, Iejimalide B initially induces G0/G1 arrest followed by S phase arrest but does not induce apoptosis in PC-3 cells. qPCR and Western analysis suggests that Iejimalide B modulates the steady state level of many gene products associated with cell cycle (including cyclins D, E, and B and p21(waf1/cip1)) and cell death (including survivin, p21B and BNIP3L) in LNCaP cells. In PC-3 cells Iejimalide B induces the expression of p21(waf1/cip1), down regulates the expression of cyclin A, and does not modulate the expression of the genes associated with cell death. Comparison of the effects of Iejimalide B on the two cell lines suggests that Iejimalide B induces cell cycle arrest by two different mechanisms and that the induction of apoptosis in LNCaP cells is p53-dependent.
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Affiliation(s)
- Wei-Lin Winnie Wang
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana 46556, USA
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43
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Foillard S, Sancey L, Coll JL, Boturyn D, Dumy P. Targeted delivery of activatable fluorescent pro-apoptotic peptide into live cells. Org Biomol Chem 2009; 7:221-4. [DOI: 10.1039/b817251j] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Shaari K, Ling KC, Rashid ZM, Jean TP, Abas F, Raof SM, Zainal Z, Lajis NH, Mohamad H, Ali AM. Cytotoxic aaptamines from Malaysian Aaptos aaptos. Mar Drugs 2008; 7:1-8. [PMID: 19370166 PMCID: PMC2666884 DOI: 10.3390/md7010001] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2008] [Revised: 12/12/2008] [Accepted: 12/12/2008] [Indexed: 11/16/2022] Open
Abstract
In a preliminary screen, Aaptos aaptos showed significant cytotoxic activity towards a panel of cell lines and was thus subjected to bioassay-guided isolation of the bioactive constituents. In addition to the known aaptamine, two new derivatives of the alkaloid were isolated from the bioactive chloroform fraction of the crude methanolic extract. Detailed analysis by NMR and mass spectroscopy enabled their identification to be 3-(phenethylamino)demethyl(oxy)aaptamine and 3-(isopentylamino)demethyl(oxy) aaptamine. The cytotoxic activities of the three alkaloids were further evaluated against CEM-SS cells.
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Affiliation(s)
- Khozirah Shaari
- Laboratory of Natural Products, Institute of Bioscience, University Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
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45
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Canals D, Mormeneo D, Fabriàs G, Llebaria A, Casas J, Delgado A. Synthesis and biological properties of Pachastrissamine (jaspine B) and diastereoisomeric jaspines. Bioorg Med Chem 2008; 17:235-41. [PMID: 19056278 DOI: 10.1016/j.bmc.2008.11.026] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2008] [Revised: 10/30/2008] [Accepted: 11/03/2008] [Indexed: 12/27/2022]
Abstract
The synthesis of isomeric jaspines (anhydro phytosphingosines), arising from intramolecular cyclization of the corresponding phytosphingosines with different configurations at C3 and C4 positions of the sphingoid backbone, is reported. Natural jaspine B is the most cytotoxic isomer on A549 cells and it induces cell death in a dose-dependent manner. The cytotoxicity of jaspine B has been correlated with a significant increase of intracellular dihydroceramides, which seem to play an active role in autophagy.
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Affiliation(s)
- Daniel Canals
- Research Unit on BioActive Molecules (RUBAM), Departament de Química Biomèdica, Institut de Química Avançada de Catalunya (IQAC-C.S.I.C), Jordi Girona 18-26, 08034 Barcelona, Spain
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46
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Kim SN, Choi HY, Lee W, Park GM, Shin WS, Kim YK. Sargaquinoic acid and sargahydroquinoic acid from Sargassum yezoense stimulate adipocyte differentiation through PPARalpha/gamma activation in 3T3-L1 cells. FEBS Lett 2008; 582:3465-72. [PMID: 18804110 DOI: 10.1016/j.febslet.2008.09.011] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2008] [Revised: 09/02/2008] [Accepted: 09/09/2008] [Indexed: 01/01/2023]
Abstract
We screened active compounds from natural marine products able to increase PPARalpha/gamma transcriptional activity. Sargaquinoic acid (SQA) and sargahydroquinoic acid (SHQA) from Sargassum yezoense were identified as novel PPARalpha/gamma dual agonists. The binding affinity of SQA with PPARgamma was higher than that of the specific PPARgamma agonist troglitazone, leading to an activation of PPARgamma transcriptional activity. In parallel, treatment of 3T3-L1 cells with SQA and SHQA led to an increase in adipocyte differentiation and increased expression of adipogenic marker genes such as aP2, PPARgamma, resistin, adiponectin, C/EBPalpha and Glut4. Collectively, our data suggest that SQA and SHQA are novel PPARalpha/gamma dual agonists and may be beneficial for reducing insulin resistance through regulation of adipogenesis.
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Affiliation(s)
- Su-Nam Kim
- KIST Gangneung Institute, Gangneung 210-340, Republic of Korea
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47
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Angeles AR, Waters SP, Danishefsky SJ. Total syntheses of (+)- and (-)-peribysin E. J Am Chem Soc 2008; 130:13765-70. [PMID: 18783227 PMCID: PMC2646880 DOI: 10.1021/ja8048207] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2008] [Indexed: 11/28/2022]
Abstract
A convergent, stereocontrolled route to either antipode of the cell adhesion inhibitor, peribysin E, has been achieved from carvone. Highlights of the synthesis include a Diels-Alder reaction to generate a cis-decalin framework, followed by semipinacol-type ring contraction to secure the stereochemistry of the C7 quaternary center. Potential mechanistic pathways for the critical ring contraction were studied through deuterium incorporation studies. In addition, an optimized olefin isomerization/Saegusa oxidation protocol is described for the conversion of [4+2] cycloadducts of 2-(trialkylsilyloxy)-1,3-dienes to 1,6(2H,7H)-naphthalenediones, having stereochemical arrangements not accessible via conventional Robinson annulation protocols. Finally, the ability to independently prepare either enantiomer of peribysin E from the corresponding antipode of carvone led to a reassignment of the absolute configuration of peribysin E.
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Affiliation(s)
- Angie R Angeles
- Laboratory for Bioorganic Chemistry, Sloan-Kettering Institute for Cancer Research, 1275 York Avenue, New York, New York 10065, USA
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48
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49
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Mayer AMS, Gustafson KR. Marine pharmacology in 2005-2006: antitumour and cytotoxic compounds. Eur J Cancer 2008; 44:2357-87. [PMID: 18701274 DOI: 10.1016/j.ejca.2008.07.001] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2008] [Revised: 06/23/2008] [Accepted: 07/01/2008] [Indexed: 01/06/2023]
Abstract
During 2005 and 2006, marine pharmacology research directed towards the discovery and development of novel antitumour agents was reported in 171 peer-reviewed articles. The purpose of this article is to present a structured review of the antitumour and cytotoxic properties of 136 marine natural products, many of which are novel compounds that belong to diverse structural classes, including polyketides, terpenes, steroids and peptides. The organisms yielding these bioactive marine compounds included invertebrate animals, algae, fungi and bacteria. Antitumour pharmacological studies were conducted with 42 structurally defined marine natural products in a number of experimental and clinical models which further defined their mechanisms of action. Particularly potent in vitro cytotoxicity data generated with murine and human tumour cell lines were reported for 94 novel marine chemicals with as yet undetermined mechanisms of action. Noteworthy is the fact that marine anticancer research was sustained by a global collaborative effort, involving researchers from Australia, Belgium, Benin, Brazil, Canada, China, Egypt, France, Germany, India, Indonesia, Italy, Japan, Mexico, the Netherlands, New Zealand, Panama, the Philippines, Slovenia, South Korea, Spain, Sweden, Taiwan, Thailand, United Kingdom (UK) and the United States of America (USA). Finally, this 2005-2006 overview of the marine pharmacology literature highlights the fact that the discovery of novel marine antitumour agents continued at the same active pace as during 1998-2004.
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Affiliation(s)
- Alejandro M S Mayer
- Department of Pharmacology, Chicago College of Osteopathic Medicine, Midwestern University, Downers Grove, IL 60515, USA.
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50
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Purification, characterization and in vitro anti-tumor activity of proteins from Arca subcrenata Lischke. Mar Drugs 2008; 6:418-30. [PMID: 19005577 PMCID: PMC2579734 DOI: 10.3390/md20080020] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2008] [Revised: 01/01/2008] [Accepted: 06/26/2008] [Indexed: 11/30/2022] Open
Abstract
Two purified proteins G-6 and G-4-2 were obtained from Arca subcrenata Lischke using the homogenization, salting-out with ammonium sulfate, ion-exchange chromatography and gel filtration chromatography techniques. The purity of G-6 and G-4-2 was over 96%, as measured by RP-HPLC. G-6 and G-4-2 were measured by SDS-PAGE and IEF-PAGE to have molecular weights of 8.2 kDa and 16.0 kDa, and isoelectric points of 6.6 and 6.1, respectively. The amino acid constituents of G-6 and G-4-2 were also determined. The existence of saccharides in G-6 was demonstrated by the phenol-sulfuric acid method. G-6 and G-4-2 inhibited the proliferation of human tumor cells in vitro. By MTT assay, the IC50 values of G-4-2 were 22.9 μg/mL, 46.1 μg/mL and 57.7 μg/mL against Hela, HL-60 and KB cell lines, respectively, and the IC50 value of G-6 against HL-60 cell line was measured to be 123.2 μg/mL.
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