1
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Li Y, Ding W, Yin J, Li X, Tian X, Xiao Z, Wang F, Yin H. 2,3-Dimethoxycinnamic Acid from a Marine Actinomycete, a Promising Quorum Sensing Inhibitor in Chromobacterium violaceum. Mar Drugs 2024; 22:177. [PMID: 38667794 PMCID: PMC11051081 DOI: 10.3390/md22040177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/09/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
An ethyl acetate extract of a marine actinomycete strain, Nocardiopsis mentallicus SCSIO 53858, isolated from a deep-sea sediment sample in the South China Sea, exhibited anti-quorum-sensing (QS) activity against Chromobacterium violaceum CV026. Guided by the anti-QS activity, a novel active compound was isolated and purified from the extract and was identified as 2,3-dimethoxycinnamic acid (2,3-DCA) through spectral data analysis. At a concentration of 150 μg/mL, 2,3-DCA exhibited robust inhibitory effects on three QS-regulated traits of C. violaceum CV026: violacein production, swarming motility, and biofilm formation, with inhibition rates of 73.9%, 65.9%, and 37.8%, respectively. The quantitative reverse transcription polymerase chain reaction results indicated that 2,3-DCA can disrupt the QS system in C. violaceum CV026 by effectively suppressing the expression of QS-related genes, including cviR, vioA, vioB, and vioE. Molecular docking analysis revealed that 2,3-DCA hinders the QS system by competitively binding to the same binding pocket on the CviR receptor as the natural signal molecule N-hexanoyl-L-homoserine lactone. Collectively, these findings suggest that 2,3-DCA exhibits promising potential as an inhibitor of QS systems, providing a potential solution to the emerging problem of bacterial resistance.
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Affiliation(s)
- Yanqun Li
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenping Ding
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
| | - Jiajia Yin
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xingyu Li
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
| | - Xinpeng Tian
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
- Sanya Institute of Ocean Eco-Environmental Engineering, Sanya 572025, China
| | - Zhihui Xiao
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
| | - Fazuo Wang
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
| | - Hao Yin
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; (Y.L.); (W.D.); (J.Y.); (X.L.); (X.T.); (Z.X.); (F.W.)
- University of Chinese Academy of Sciences, Beijing 100049, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
- Sanya Institute of Ocean Eco-Environmental Engineering, Sanya 572025, China
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2
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Zhang K, Liang J, Zhang B, Huang L, Yu J, Xiao X, He Z, Tao H, Yuan J. A Marine Natural Product, Harzianopyridone, as an Anti-ZIKV Agent by Targeting RNA-Dependent RNA Polymerase. Molecules 2024; 29:978. [PMID: 38474490 DOI: 10.3390/molecules29050978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/15/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
The Zika virus (ZIKV) is a mosquito-borne virus that already poses a danger to worldwide human health. Patients infected with ZIKV generally have mild symptoms like a low-grade fever and joint pain. However, severe symptoms can also occur, such as Guillain-Barré syndrome, neuropathy, and myelitis. Pregnant women infected with ZIKV may also cause microcephaly in newborns. To date, we still lack conventional antiviral drugs to treat ZIKV infections. Marine natural products have novel structures and diverse biological activities. They have been discovered to have antibacterial, antiviral, anticancer, and other therapeutic effects. Therefore, marine products are important resources for compounds for innovative medicines. In this study, we identified a marine natural product, harzianopyridone (HAR), that could inhibit ZIKV replication with EC50 values from 0.46 to 2.63 µM while not showing obvious cytotoxicity in multiple cellular models (CC50 > 45 µM). Further, it also reduced the expression of viral proteins and protected cells from viral infection. More importantly, we found that HAR directly bound to the ZIKV RNA-dependent RNA polymerase (RdRp) and suppressed its polymerase activity. Collectively, our findings provide HAR as an option for the development of anti-ZIKV drugs.
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Affiliation(s)
- Kexin Zhang
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou 510080, China
| | - Jingyao Liang
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou 510080, China
| | - Bingzhi Zhang
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou 510080, China
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Lishan Huang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Jianchen Yu
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou 510080, China
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Xuhan Xiao
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou 510080, China
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Zhenjian He
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou 510080, China
| | - Huaming Tao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Jie Yuan
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou 510080, China
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
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3
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Parthasarathy R, Chandrika M, Sruthi D, Yashavantha Rao HC, Jayabaskaran C. Clonostachys rosea, a marine algal endophyte, as an alternative source of chrysin and its anticancer effect. Arch Microbiol 2023; 205:275. [PMID: 37410212 DOI: 10.1007/s00203-023-03615-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 04/20/2023] [Accepted: 06/23/2023] [Indexed: 07/07/2023]
Abstract
Endophytic fungi were isolated from the marine green alga Chaetomorpha antennina and identified as Clonostachys rosea through molecular analysis. C. rosea was grown in a tryptophan medium for 21 days and after that, the metabolites were extracted by ethyl acetate. The ethyl acetate extract showed a high cytotoxic effect on MCF-7 cells. GC-MS analysis of the ethyl acetate extract revealed the presence of many compounds, and chrysin was one of the major compounds among them. Hence, further studies were concentrated on chrysin, as it was assumed to be the major attributor to the potent cytotoxicity, based on its high anticancer efficacies reported earlier. The fungal ethyl acetate extract had been analysed for chrysin using HPTLC and compared its Rf value with authentic chrysin and it was matched. Further, the purified fungal chrysin was structurally elucidated using techniques like LC-MS and NMR analyses. Quantification revealed that C. rosea produced 1050 mg/L of chrysin. This surplus production of chrysin was the major significance of the study. The purified fungal chrysin was found to be highly cytotoxic to MCF-7 cells with a low IC50 value 35.5 ± 0.6 µM. Furthermore, DNA fragmentation and apoptosis analysis indicated the selective inhibition of MCF-7 by DNA damage. Thus, the present study implies that C. rosea is an alternative source and new method for surplus production of chrysin in the tryptophan medium. All results indicate that the marine algae endophytic C. rosa produces chrysin, and for the first time, an excess amount of production was revealed by the study.
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Grants
- Ref. no. PDF/2017/001184 Department of Science and Technology and Science and Engineering Research Board (DST-SERB), New Delhi for the National Post-Doctoral fellowship
- Ref.no.45/1/2020-DDI-BMS Indian Council Medical Research-Research Associate (ICMR-RA) New Delhi,
- File no.45/36-2018-PHA/BMS Dated 23/6/2018 Indian Council Medical Research-Research Associate (ICMR-RA), New Delhi
- YSS/2019/000035/ PRCYSS Department of Health Research (DHR),Government of India, New Delhi, Young scientist -HRD Scheme
- YSS/2020/0000054/PRCYSS Department of Health Research (DHR),Government of India, New Delhi, Young scientist -HRD Scheme
- No.F.4-2/2006 (BSR)/BL/17-18/0234 University Grants Commission - DSKPDF, Government of India, New Delhi.
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Affiliation(s)
| | - Manjegowda Chandrika
- Department of Biochemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Damodaran Sruthi
- Department of Biochemistry, Indian Institute of Science, Bangalore, 560012, India
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4
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Sarkar PK, Pawar SS, Rath SK, Kandasubramanian B. Anti-barnacle biofouling coatings for the protection of marine vessels: synthesis and progress. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:26078-26112. [PMID: 35076840 DOI: 10.1007/s11356-021-18404-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 12/26/2021] [Indexed: 06/14/2023]
Abstract
Marine biofouling has gnawed both mobile and non-mobile marine structures since time immemorial, leading to the deterioration of designed operational capabilities as well as a loss of valuable economic revenues. Mitigation of biofouling has been the primary focus of researchers and scientists from across the globe to save billions of dollars wasted due to the biological fouling of marine structures. The availability of an appropriate environment along with favorable substrata initiates biofilm formation within a few minutes. The crucial element in establishing a gelatinous biofilm is the excreted metabolites of destructive nature and exopolymeric substances (EPSs). These help in securing as well as signaling numerous foulants to establish themselves on this substrate. The larvae of various benthic invertebrates adhere to these suitable surfaces and transform from juveniles to adult barnacles depending upon the environment. Despite biofouling being characteristically witnessed for a month or lengthier timeframe, the preliminary phases of the fouling process typically transpire on a much lesser timescale. A few natural and synthetic additives had demonstrated excellent non-toxic anti barnacle establishment capability; however, further development into commercial products is still far-fetched. This review collates the specific anti-barnacle coatings, emphasizing natural additives, their sources of extraction, general life cycle analysis, and concluding future perspectives of this niche product.
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Affiliation(s)
- Pramit Kumar Sarkar
- Nano Surface Texturing Laboratory, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced, Technology (DU), Ministry of Defence, Girinagar, Pune, 411025, India
- Mazagon Dock Shipbuilders Ltd, Ministry of Defence, Dockyard Road, Mumbai, 400010, Maharashtra, India
| | - Sushil S Pawar
- Protective Coatings Department, Naval Materials Research Laboratory, Ministry of Defence, DRDO, Ambernath, 421506, Maharashtra, India
| | - Sangram K Rath
- Protective Coatings Department, Naval Materials Research Laboratory, Ministry of Defence, DRDO, Ambernath, 421506, Maharashtra, India
| | - Balasubramanian Kandasubramanian
- Nano Surface Texturing Laboratory, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced, Technology (DU), Ministry of Defence, Girinagar, Pune, 411025, India.
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5
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Yu X, Li L, Sun S, Chang A, Dai X, Li H, Wang Y, Zhu H. A Cyclic Dipeptide from Marine Fungus Penicillium chrysogenum DXY-1 Exhibits Anti-quorum Sensing Activity. ACS OMEGA 2021; 6:7693-7700. [PMID: 33778279 PMCID: PMC7992161 DOI: 10.1021/acsomega.1c00020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 03/03/2021] [Indexed: 06/12/2023]
Abstract
Bacterial quorum sensing (QS) is anticipated as a new potential target for the development of antimicrobial drugs. An anti-QS substance against Chromobacterium violaceum CV026 and Pseudomonas aeruginosa PA01 has been isolated and purified from the crude extracts of the marine fungus Penicillium chrysogenum DXY-1, and the accurate structure was identified as cyclo(l-Tyr-l-Pro). This cyclic dipeptide at sub-minimum inhibitory concentration can decrease the QS-regulated violacein production of C. violaceum CV026 by 79% and QS-mediated pyocyanin production, proteases, and elastase activity of P. aeruginosa PA01 by 41%, 20%, and 32%, respectively. In addition, it can also destroy the biofilm formation and decrease QS gene expression of P. aeruginosa PA01. Molecular docking was further performed, and the obtained data indicated that this dipeptide blocks the effect of QS autoinducers through competitive binding to the same pocket of the receptor proteins. We expect this anti-QS cyclic dipeptide to be a potential pro-drug treating drug-resistant P. aeruginosa infections, and these findings could relieve the alarming problem of microbial resistance to antimicrobial drugs.
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Affiliation(s)
- Xiaodan Yu
- Engineering
Research Center of Industrial Biocatalysis, Fujian Province University,
Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical
Engineering, Fujian Provincial Key Laboratory of Polymer Materials,
Key Laboratory of OptoElectronic Science and Technology for Medicine
of Ministry of Education, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People’s Republic
of China
| | - Li Li
- Engineering
Research Center of Industrial Biocatalysis, Fujian Province University,
Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical
Engineering, Fujian Provincial Key Laboratory of Polymer Materials,
Key Laboratory of OptoElectronic Science and Technology for Medicine
of Ministry of Education, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People’s Republic
of China
| | - Shiwei Sun
- Department
of Natural Medicine and Pharmacognosy, School of Pharmacy, Qingdao University, 308 Ningxia Road, Qingdao 266071, People’s Republic of China
| | - Aiping Chang
- Engineering
Research Center of Industrial Biocatalysis, Fujian Province University,
Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical
Engineering, Fujian Provincial Key Laboratory of Polymer Materials,
Key Laboratory of OptoElectronic Science and Technology for Medicine
of Ministry of Education, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People’s Republic
of China
| | - Xiaoyun Dai
- Centre
for Bioengineering and Biotechnology, China
University of Petroleum (East China), 66 Changjiang West Road, Qingdao 266580, People’s
Republic of China
| | - Hui Li
- Centre
for Bioengineering and Biotechnology, China
University of Petroleum (East China), 66 Changjiang West Road, Qingdao 266580, People’s
Republic of China
| | - Yinglu Wang
- Engineering
Research Center of Industrial Biocatalysis, Fujian Province University,
Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical
Engineering, Fujian Provincial Key Laboratory of Polymer Materials,
Key Laboratory of OptoElectronic Science and Technology for Medicine
of Ministry of Education, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People’s Republic
of China
| | - Hu Zhu
- Engineering
Research Center of Industrial Biocatalysis, Fujian Province University,
Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical
Engineering, Fujian Provincial Key Laboratory of Polymer Materials,
Key Laboratory of OptoElectronic Science and Technology for Medicine
of Ministry of Education, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People’s Republic
of China
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6
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Oppong-Danquah E, Budnicka P, Blümel M, Tasdemir D. Design of Fungal Co-Cultivation Based on Comparative Metabolomics and Bioactivity for Discovery of Marine Fungal Agrochemicals. Mar Drugs 2020; 18:md18020073. [PMID: 31979232 PMCID: PMC7073616 DOI: 10.3390/md18020073] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/05/2020] [Accepted: 01/21/2020] [Indexed: 01/03/2023] Open
Abstract
Microbial co-cultivation is employed for awakening silent biosynthetic gene clusters (BGCs) to enhance chemical diversity. However, the selection of appropriate partners for co-cultivation remains a challenge. Furthermore, competitive interactions involving the suppression of BGCs or upregulation of known, functional metabolite(s) during co-cultivation efforts is also common. Herein, we performed an alternative approach for targeted selection of the best co-cultivation pair. Eight marine sediment-derived fungi were classified as strong or weak, based on their anti-phytopathogenic potency. The fungi were co-cultured systematically and analyzed for their chemical profiles and anti-phytopathogenic activity. Based on enhanced bioactivity and a significantly different metabolite profile including the appearance of a co-culture specific cluster, the co-culture of Plenodomus influorescens (strong) and Pyrenochaeta nobilis (weak) was prioritized for chemical investigation. Large-scale co-cultivation resulted in isolation of five polyketide type compounds: two 12-membered macrolides, dendrodolide E (1) and its new analog dendrodolide N (2), as well as two rare azaphilones spiciferinone (3) and its new analog 8a-hydroxy-spiciferinone (4). A well-known bis-naphtho-γ-pyrone type mycotoxin, cephalochromin (5), whose production was specifically enhanced in the co-culture, was also isolated. Chemical structures of compounds 1-5 were elucidated by NMR, HRMS and [] analyses. Compound 5 showed the strongest anti-phytopathogenic activity against Xanthomonas campestris and Phytophthora infestans with IC50 values of 0.9 and 1.7 µg/mL, respectively.
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Affiliation(s)
- Ernest Oppong-Danquah
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Products Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany; (E.O.-D.); (P.B.); (M.B.)
| | - Paulina Budnicka
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Products Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany; (E.O.-D.); (P.B.); (M.B.)
| | - Martina Blümel
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Products Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany; (E.O.-D.); (P.B.); (M.B.)
| | - Deniz Tasdemir
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Products Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany; (E.O.-D.); (P.B.); (M.B.)
- Faculty of Mathematics and Natural Science, Kiel University, Christian-Albrechts-Platz 4, 24118 Kiel, Germany
- Correspondence: ; Tel.: +49-431-6004430
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7
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Tyrosol from marine Fungi, a novel Quorum sensing inhibitor against Chromobacterium violaceum and Pseudomonas aeruginosa. Bioorg Chem 2019; 91:103140. [DOI: 10.1016/j.bioorg.2019.103140] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/12/2019] [Accepted: 07/19/2019] [Indexed: 11/30/2022]
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8
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Sang VT, Dat TTH, Vinh LB, Cuong LCV, Oanh PTT, Ha H, Kim YH, Anh HLT, Yang SY. Coral and Coral-Associated Microorganisms: A Prolific Source of Potential Bioactive Natural Products. Mar Drugs 2019; 17. [PMID: 31405226 DOI: 10.3390/md1708046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 05/20/2023] Open
Abstract
Marine invertebrates and their associated microorganisms are rich sources of bioactive compounds. Among them, coral and its associated microorganisms are promising providers of marine bioactive compounds. The present review provides an overview of bioactive compounds that are produced by corals and coral-associated microorganisms, covering the literature from 2010 to March 2019. Accordingly, 245 natural products that possess a wide range of potent bioactivities, such as anti-inflammatory, cytotoxic, antimicrobial, antivirus, and antifouling activities, among others, are described in this review.
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Affiliation(s)
- Vo Thanh Sang
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 5, Ho Chi Minh City 748000, Vietnam
| | - Ton That Huu Dat
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam
| | - Le Ba Vinh
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi 100000, Vietnam
| | - Le Canh Viet Cuong
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam
| | - Phung Thi Thuy Oanh
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam
| | - Hoang Ha
- Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi 122300, Vietnam
| | - Young Ho Kim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea.
| | - Hoang Le Tuan Anh
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam.
- Graduated University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Ha Noi 122300, Vietnam.
| | - Seo Young Yang
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea.
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9
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Sang VT, Dat TTH, Vinh LB, Cuong LCV, Oanh PTT, Ha H, Kim YH, Anh HLT, Yang SY. Coral and Coral-Associated Microorganisms: A Prolific Source of Potential Bioactive Natural Products. Mar Drugs 2019; 17:E468. [PMID: 31405226 PMCID: PMC6723858 DOI: 10.3390/md17080468] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 02/06/2023] Open
Abstract
Marine invertebrates and their associated microorganisms are rich sources of bioactive compounds. Among them, coral and its associated microorganisms are promising providers of marine bioactive compounds. The present review provides an overview of bioactive compounds that are produced by corals and coral-associated microorganisms, covering the literature from 2010 to March 2019. Accordingly, 245 natural products that possess a wide range of potent bioactivities, such as anti-inflammatory, cytotoxic, antimicrobial, antivirus, and antifouling activities, among others, are described in this review.
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Affiliation(s)
- Vo Thanh Sang
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 5, Ho Chi Minh City 748000, Vietnam
| | - Ton That Huu Dat
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam
| | - Le Ba Vinh
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi 100000, Vietnam
| | - Le Canh Viet Cuong
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam
| | - Phung Thi Thuy Oanh
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam
| | - Hoang Ha
- Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi 122300, Vietnam
| | - Young Ho Kim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea.
| | - Hoang Le Tuan Anh
- Mientrung Institute for Scientific Research, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City, Thua Thien Hue 531600, Vietnam.
- Graduated University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Ha Noi 122300, Vietnam.
| | - Seo Young Yang
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea.
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10
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Gezici S, Şekeroğlu N. Current Perspectives in the Application of Medicinal Plants Against Cancer: Novel Therapeutic Agents. Anticancer Agents Med Chem 2019; 19:101-111. [DOI: 10.2174/1871520619666181224121004] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Revised: 09/15/2018] [Accepted: 12/10/2018] [Indexed: 01/11/2023]
Abstract
Background:
Cancer is a disease characterized by uncontrolled cell growth and proliferation. It
has become a major health problem in the past decades and is now the second leading cause of death globally.
Although, there are different types of treatment such as chemotherapy, immune therapy, radiation, hormone
therapy and targeted therapy used against cancer, they have possible side effects and significant deficiencies.
Methods:
This review aims to outline the benefits of medicinal plants and plant-derived products and highlight
why they should be used as novel anti-cancer therapeutics. Electronic databases, including PubMed, Scopus,
ScienceDirect, Cochrane library, and MedlinePlus were searched to summarize in vitro, in vivo and clinical
studies on anticancer effects of medicinal plants and their bioactive compounds up-to-date.
Results:
In recent years, a number of medicinal plants have been administered to cancer patients in order to
prevent and treat cancer as an alternative therapy. These plants were used because of their rich anticarcinogenic
and chemoprotective potentials. In addition to these remarkable properties, these plants have less toxic anticancer,
anti-tumor and anti-proliferation agents than traditional therapeutics. Nevertheless, only a small number
of natural anti-tumor products including vinblastine, vincristine, podophyllotoxin, paclitaxel (Taxol) and camptothecin
have been tested clinically, while vinflunine ditartrate, anhydrovinblastine, NK-611, tafluposide, paclitaxel
poliglumex, combretastatins, salvicine, curcumin, indirubin, triptolide, homoharringtonine are still on trial.
Conclusion:
Consequently, more effective anticancer compounds are identified during the clinical trials; these
natural products could be a key source of antitumor agents in modern anticancer therapy. It is expected that
novel anticancer phytopharmaceuticals produced from medicinal plants could be effectively used in prevention
and therapy for the cancers.
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Affiliation(s)
- Sevgi Gezici
- Department of Molecular Biology and Genetics, Faculty of Science and Literature; Advanced Technology Application and Research Center, Kilis 7 Aralik University, 79000 Kilis, Turkey
| | - Nazım Şekeroğlu
- Department of Food Engineering, Faculty of Engineering and Architecture; Advanced Technology Application and Research Center, Kilis 7 Aralik University, 79000 Kilis, Turkey
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11
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Tanod WA, Yanuhar U, Maftuch, Putra MY, Risjani Y. Screening of NO Inhibitor Release Activity from Soft Coral Extracts Origin Palu Bay, Central Sulawesi, Indonesia. Antiinflamm Antiallergy Agents Med Chem 2019; 18:126-141. [PMID: 30799798 PMCID: PMC6700601 DOI: 10.2174/1871523018666190222115034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/22/2019] [Accepted: 02/01/2019] [Indexed: 01/13/2023]
Abstract
BACKGROUND As a marine organism, soft corals can be utilized to be various bioactive substances, especially terpenoids and steroids. The soft corals family which produces bioactive generally come from clavulariidae, alcyoniidae, nephtheidae and xeniidae family. OBJECTIVE To investigate the bioactivity of Nitric Oxide (NO) inhibitor release from soft coral crude extracts of Sinularia sp. (SCA), Nephthea sp. (SCB), Sarcophyton sp. (SCC), Sarcophyton sp. (SCD), Sinularia sp. (SCE) and Sinularia sp. (SCF). MATERIALS AND METHODS Soft coral is collected from Palu Bay (Central Sulawesi). NO inhibitory release activity measured according to the Griess reaction. Soft corals sample macerated with 1:2 (w/v). Then, Soft coral extracts with the best NO Inhibitor activity partitioned with Dichloromethane, Ethyl acetate, and n-butanol. The bioactive of all crude extracts were identified by GC-MS to find compounds with anti-inflammatory potential. RESULTS Sarcophyton sp. (SCC) and Sinularia sp. (SCF) are able to inhibit NO concentrations of 0.22 ± 0.04 and 0.20 ± 0.04 µM at 20 mg/mL, respectively. The chemical constituents determined and showed the potential as anti-inflammatory in the crude of Sinularia sp. (SCA) were Octacosane (3.25%). In Nephthea sp., (SCB) were Cyclohexene, 6-ethenyl-6- methyl-1-(1-methylethyl)-3-(1-methylethylidene)-,(S)- (0.55%); Azulene, 1,2,3,4,5,6,7,8- octahydro-1,4-dimethyl-7-(1-methylethylidene)-, (1S-cis)- (0.53%); and 1,7,7-Trimethyl- 2-vinylbicyclo[2.2.1]hept-2-ene (4.72%). In Sarcophyton sp, (SCC) were Eicosane (0.12%); Nonacosane (10.7%); 14(β)-Pregnane (0.87%); Octacosane 6.39%); and Tricosane (1.53%). In Sarcophyton sp. (SCD) were 14(β)-Pregnane (2.69%); and Octadecane (27.43%). In crude of Sinularia sp. (SCE) were Oleic Acid (0.63%); 7,10-Hexadecadienoic acid, methyl ester (0.54%); 14(β)-Pregnane (1.07%); 5,8,11,14-Eicosatetraenoic acid, ethyl ester, (all-Z)- (4.60%); Octacosane (7.75%); and 1,2-Benzisothiazole, 3-(hexahydro-1Hazepin- 1-yl)-, 1,1-dioxide (1.23%). In the crude of Sinularia sp., (SCF) were Oxirane, decyl- (1.38%); Nonacosane (0.57%); Cyclohexanol, 5-methyl-2-(1-methylethenyl)- (0.61%); 14B-Pregnane (0.76%); and Tetratriacontane (1.02%). CONCLUSION The extract of Sarcophyton sp. (SCC) and Sinularia sp. (SCF) showed the best NO inhibitory release activity. This study is making soft corals from Central Sulawesi, Indonesia can become a potential organism in the discovery and development of bioactive substances anti-inflammatory.
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Affiliation(s)
- Wendy Alexander Tanod
- Faculty of Fisheries and Marine Science, Postgraduate Program, Brawijaya University, Malang, East Java, 65145, Indonesia.,Institute of Fisheries and Marine (Sekolah Tinggi Perikanan dan Kelautan), Palu, Central Sulawesi, 94118, Indonesia
| | - Uun Yanuhar
- Faculty of Fisheries and Marine Science, Postgraduate Program, Brawijaya University, Malang, East Java, 65145, Indonesia
| | - Maftuch
- Faculty of Fisheries and Marine Science, Postgraduate Program, Brawijaya University, Malang, East Java, 65145, Indonesia
| | | | - Yenny Risjani
- Faculty of Fisheries and Marine Science, Postgraduate Program, Brawijaya University, Malang, East Java, 65145, Indonesia.,Central Laboratory of Life Science (LSIH), Brawijaya University, Malang, East Java, 65145, Indonesia
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12
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Arockianathan PM, Mishra M, Niranjan R. Recent Status and Advancements in the Development of Antifungal Agents: Highlights on Plant and Marine Based Antifungals. Curr Top Med Chem 2019; 19:812-830. [PMID: 30977454 DOI: 10.2174/1568026619666190412102037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/13/2019] [Accepted: 03/13/2019] [Indexed: 11/22/2022]
Abstract
The developing resistance in fungi has become a key challenge, which is being faced nowadays with the available antifungal agents in the market. Further search for novel compounds from different sources has been explored to meet this problem. The current review describes and highlights recent advancement in the antifungal drug aspects from plant and marine based sources. The current available antifungal agents act on specific targets on the fungal cell wall, like ergosterol synthesis, chitin biosynthesis, sphingolipid synthesis, glucan synthesis etc. We discuss some of the important anti-fungal agents like azole, polyene and allylamine classes that inhibit the ergosterol biosynthesis. Echinocandins inhibit β-1, 3 glucan synthesis in the fungal cell wall. The antifungals poloxins and nikkomycins inhibit fungal cell wall component chitin. Apart from these classes of drugs, several combinatorial therapies have been carried out to treat diseases due to fungal resistance. Recently, many antifungal agents derived from plant and marine sources showed potent activity. The renewed interest in plant and marine derived compounds for the fungal diseases created a new way to treat these resistant strains which are evident from the numerous literature publications in the recent years. Moreover, the compounds derived from both plant and marine sources showed promising results against fungal diseases. Altogether, this review article discusses the current antifungal agents and highlights the plant and marine based compounds as a potential promising antifungal agents.
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Affiliation(s)
- P Marie Arockianathan
- PG & Research Department of Biochemistry, St. Joseph's College of Arts & Science (Autonomous), Cuddalore-607001, Tamil Nadu, India
| | - Monika Mishra
- Neurobiology laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Rituraj Niranjan
- Unit of Microbiology and Molecular Biology, ICMR-Vector Control Research Center, Puducherry 605006, India
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13
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Shang J, Hu B, Wang J, Zhu F, Kang Y, Li D, Sun H, Kong DX, Hou T. Cheminformatic Insight into the Differences between Terrestrial and Marine Originated Natural Products. J Chem Inf Model 2018; 58:1182-1193. [PMID: 29792805 DOI: 10.1021/acs.jcim.8b00125] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This is a new golden age for drug discovery based on natural products derived from both marine and terrestrial sources. Herein, a straightforward but important question is "what are the major structural differences between marine natural products (MNPs) and terrestrial natural products (TNPs)?" To answer this question, we analyzed the important physicochemical properties, structural features, and drug-likeness of the two types of natural products and discussed their differences from the perspective of evolution. In general, MNPs have lower solubility and are often larger than TNPs. On average, particularly from the perspective of unique fragments and scaffolds, MNPs usually possess more long chains and large rings, especially 8- to 10-membered rings. MNPs also have more nitrogen atoms and halogens, notably bromines, and fewer oxygen atoms, suggesting that MNPs may be synthesized by more diverse biosynthetic pathways than TNPs. Analysis of the frequently occurring Murcko frameworks in MNPs and TNPS also reveals a striking difference between MNPs and TNPs. The scaffolds of the former tend to be longer and often contain ester bonds connected to 10-membered rings, while the scaffolds of the latter tend to be shorter and often bear more stable ring systems and bond types. Besides, the prediction from the naïve Bayesian drug-likeness classification model suggests that most compounds in MNPs and TNPs are drug-like, although MNPs are slightly more drug-like than TNPs. We believe that MNPs and TNPs with novel drug-like scaffolds have great potential to be drug leads or drug candidates in drug discovery campaigns.
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Affiliation(s)
- Jun Shang
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China.,State Key Laboratory of Agricultural Microbiology and Agricultural Bioinformatics, Key Laboratory of Hubei Province, College of Informatics , Huazhong Agricultural University , Wuhan 430070 , China.,State Key Lab of CAD&CG , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Ben Hu
- State Key Laboratory of Agricultural Microbiology and Agricultural Bioinformatics, Key Laboratory of Hubei Province, College of Informatics , Huazhong Agricultural University , Wuhan 430070 , China
| | - Junmei Wang
- Department of Pharmaceutical Sciences , University of Pittsburgh , Pittsburgh , Pennsylvania 15261 , United States
| | - Feng Zhu
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Yu Kang
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Dan Li
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - Huiyong Sun
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China
| | - De-Xin Kong
- State Key Laboratory of Agricultural Microbiology and Agricultural Bioinformatics, Key Laboratory of Hubei Province, College of Informatics , Huazhong Agricultural University , Wuhan 430070 , China
| | - Tingjun Hou
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , Zhejiang 310058 , China.,State Key Lab of CAD&CG , Zhejiang University , Hangzhou , Zhejiang 310058 , China
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14
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Li G, Lou HX. Strategies to diversify natural products for drug discovery. Med Res Rev 2017; 38:1255-1294. [PMID: 29064108 DOI: 10.1002/med.21474] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 09/18/2017] [Accepted: 09/28/2017] [Indexed: 12/11/2022]
Abstract
Natural product libraries contain specialized metabolites derived from plants, animals, and microorganisms that play a pivotal role in drug discovery due to their immense structural diversity and wide variety of biological activities. The strategies to greatly extend natural product scaffolds through available biological and chemical approaches offer unique opportunities to access a new series of natural product analogues, enabling the construction of diverse natural product-like libraries. The affordability of these structurally diverse molecules has been a crucial step in accelerating drug discovery. This review provides an overview of various approaches to exploit the diversity of compounds for natural product-based drug development, drawing upon a series of examples to illustrate each strategy.
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Affiliation(s)
- Gang Li
- Department of Natural Medicine and Pharmacognosy, School of Pharmacy, Qingdao University, Qingdao, China
| | - Hong-Xiang Lou
- Department of Natural Medicine and Pharmacognosy, School of Pharmacy, Qingdao University, Qingdao, China.,Department of Natural Products Chemistry, Key Lab of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Shandong University, Jinan, China
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15
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El-Hossary EM, Cheng C, Hamed MM, El-Sayed Hamed AN, Ohlsen K, Hentschel U, Abdelmohsen UR. Antifungal potential of marine natural products. Eur J Med Chem 2016; 126:631-651. [PMID: 27936443 DOI: 10.1016/j.ejmech.2016.11.022] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 11/07/2016] [Accepted: 11/10/2016] [Indexed: 12/29/2022]
Abstract
Fungal diseases represent an increasing threat to human health worldwide which in some cases might be associated with substantial morbidity and mortality. However, only few antifungal drugs are currently available for the treatment of life-threatening fungal infections. Furthermore, plant diseases caused by fungal pathogens represent a worldwide economic problem for the agriculture industry. The marine environment continues to provide structurally diverse and biologically active secondary metabolites, several of which have inspired the development of new classes of therapeutic agents. Among these secondary metabolites, several compounds with noteworthy antifungal activities have been isolated from marine microorganisms, invertebrates, and algae. During the last fifteen years, around 65% of marine natural products possessing antifungal activities have been isolated from sponges and bacteria. This review gives an overview of natural products from diverse marine organisms that have shown in vitro and/or in vivo potential as antifungal agents, with their mechanism of action whenever applicable. The natural products literature is covered from January 2000 until June 2015, and we are reporting the chemical structures together with their biological activities, as well as the isolation source.
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Affiliation(s)
- Ebaa M El-Hossary
- National Centre for Radiation Research & Technology, Egyptian Atomic Energy Authority, Ahmed El-Zomor St. 3, El-Zohoor Dist., Nasr City, Cairo, Egypt
| | - Cheng Cheng
- Department of Botany II, Julius-von-Sachs Institute for Biological Sciences, University of Würzburg, Julius-von-Sachs-Platz 3, 97082 Würzburg, Germany
| | - Mostafa M Hamed
- Drug Design and Optimization Department, Helmholtz Institute for Pharmaceutical Research Saarland, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany
| | | | - Knut Ohlsen
- Institute for Molecular Infection Biology, University of Würzburg, Josef-Schneider-Straße 2/D15, 97080 Würzburg, Germany
| | - Ute Hentschel
- GEOMAR Helmholtz Centre for Ocean Research, RD3 Marine Microbiology, and Christian-Albrechts University of Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
| | - Usama Ramadan Abdelmohsen
- Department of Botany II, Julius-von-Sachs Institute for Biological Sciences, University of Würzburg, Julius-von-Sachs-Platz 3, 97082 Würzburg, Germany; Department of Pharmacognosy, Faculty of Pharmacy, Minia University, 61519 Minia, Egypt.
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16
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Ou YX, Huang JF, Li XM, Kang QJ, Pan YT. Three new 2,5-diketopiperazines from the fish intestinal Streptomyces sp. MNU FJ-36. Nat Prod Res 2016; 30:1771-5. [DOI: 10.1080/14786419.2015.1137570] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yi-xin Ou
- Engineering Technological Center of Mushroom Industry, Minnan Normal University, Zhangzhou, P.R. China
- College of Life Sciences and Technology, Minnan Normal University, Zhangzhou, P.R. China
| | - Jia-fu Huang
- Engineering Technological Center of Mushroom Industry, Minnan Normal University, Zhangzhou, P.R. China
- College of Life Sciences and Technology, Minnan Normal University, Zhangzhou, P.R. China
| | - Xiu-min Li
- Engineering Technological Center of Mushroom Industry, Minnan Normal University, Zhangzhou, P.R. China
- College of Life Sciences and Technology, Minnan Normal University, Zhangzhou, P.R. China
| | - Qian-jin Kang
- State Key Laboratory of Microbial Metabolism, and School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai, P.R. China
- Joint International Research Laboratory of Metabolic & Developmental Sciences, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Yu-tian Pan
- Engineering Technological Center of Mushroom Industry, Minnan Normal University, Zhangzhou, P.R. China
- College of Life Sciences and Technology, Minnan Normal University, Zhangzhou, P.R. China
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17
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Conformerism, enantiomorphism and double catemer motifs in para-substituted nostoclide analogues. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2015.10.101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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18
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Su SW, Lee TM, Mok HK, Chio EH. Insecticidal Activity and Insect Repellency of Four Species of Sea Lily (Comatulida: Comatulidae) From Taiwan. JOURNAL OF INSECT SCIENCE (ONLINE) 2016; 16:iev152. [PMID: 26798137 PMCID: PMC4725255 DOI: 10.1093/jisesa/iev152] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 12/10/2015] [Indexed: 06/05/2023]
Abstract
The methanol and ethyl acetate (EA) extracts of four species of sea lily (Himerometra magnipinna, Comaster multifidus, Comanthina sp., and Comatella maculata) were evaluated for their insecticidal activity against Yellow-fever mosquito larvae (Aedes aegypti) and their repellency against adult Asian Tiger mosquitoes (Aedes albopictus). The 24-hr minimum inhibition concentration (MIC) data revealed that the extracts from H. magnipinna and the C. maculata were the most active, killing mosquito larvae at 12.5 ppm. The toxicity of the extracts from these four sea lilies in descending order was H. magnipinna (12.5 ppm), C. maculata (12.5 ppm), C. multifidus (100 ppm), and Comanthina sp. (200 ppm). Furthermore, no significant difference in toxicity was found using either EA or methanol as the extraction solvent. The MIC at 12.5 ppm is promising as an insecticide lead. The repellency study results show that EA is a better solvent for one species (H. magnipinna), but the methanol is a better solvent overall. The repellency of these sea lily extracts in descending order was Comanthina sp. MeOH (ED50 at 0.32%), followed by H. magnipinna EA (ED50 at 0.38%), C. multifidus MeOH (ED50 at 0.57%), C. maculata MeOH (ED50 at 0.76%), C. multifidus EA (ED50 at 1.25%), and H. magnipinna MeOH (ED50 at 1.67%). A compound with ED50 <0.5% is considered to be a promising repellant. Among the studied sea lilies, both Comanthina sp. and H. magnipinna have potential to be further developed as mosquito control agents due to their favorable toxicity and repellency.
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Affiliation(s)
- Shih-Wei Su
- Department of Marine Biotechnology and Resources, National Sun Yat Sen University, Kaohsiung 804, Taiwan The Asia-Pacific Ocean Research Center, National Sun Yat Sen University, Kaohsiung 804, Taiwan Advanced Technology Center, Chunghwa Picture Tubes, Ltd., Taoyuan 334, Taiwan
| | - Tse-Min Lee
- Department of Marine Biotechnology and Resources, National Sun Yat Sen University, Kaohsiung 804, Taiwan The Asia-Pacific Ocean Research Center, National Sun Yat Sen University, Kaohsiung 804, Taiwan Doctoral Degree Program in Marine Biotechnology, National Sun Yat Sen University, Kaohsiung 804, Taiwan
| | - Hin-Kiu Mok
- The Asia-Pacific Ocean Research Center, National Sun Yat Sen University, Kaohsiung 804, Taiwan Institute of Marine Biology, National Sun Yen Sen University, Kaohsiung 804, Taiwan
| | - Eddie Hang Chio
- The Asia-Pacific Ocean Research Center, National Sun Yat Sen University, Kaohsiung 804, Taiwan Department of Entomology, National Taiwan University, Taipei 104, Taiwan
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19
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Contemporary molecular tools in microbial ecology and their application to advancing biotechnology. Biotechnol Adv 2015; 33:1755-73. [DOI: 10.1016/j.biotechadv.2015.09.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 09/19/2015] [Accepted: 09/20/2015] [Indexed: 12/30/2022]
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20
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Polyhydroxyalkanoate-based 3-hydroxyoctanoic acid and its derivatives as a platform of bioactive compounds. Appl Microbiol Biotechnol 2015; 100:161-72. [PMID: 26399414 DOI: 10.1007/s00253-015-6984-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 08/24/2015] [Accepted: 09/02/2015] [Indexed: 01/28/2023]
Abstract
A library of 18 different compounds was synthesized starting from (R)-3-hydroxyoctanoic acid which is derived from the bacterial polymer polyhydroxyalkanoate (PHA). Ten derivatives, including halo and unsaturated methyl and benzyl esters, were synthesized and characterized for the first time. Given that (R)-3-hydroxyalkanoic acids are known to have biological activity, the new compounds were evaluated for antimicrobial activity and in vitro antiproliferative effect with mammalian cell lines. The presence of the carboxylic group was essential for the antimicrobial activity, with minimal inhibitory concentrations against a panel of bacteria (Gram-positive and Gram-negative) and fungi (Candida albicans and Microsporum gypseum) in the range 2.8-7.0 mM and 0.1-6.3 mM, respectively. 3-Halogenated octanoic acids exhibited the ability to inhibit C. albicans hyphae formation. In addition, (R)-3-hydroxyoctanoic and (E)-oct-2-enoic acids inhibited quorum sensing-regulated pyocyanin production in the opportunistic pathogen Pseudomonas aeruginosa PAO1. Generally, derivatives did not inhibit mammalian cell proliferation even at 3-mM concentrations, while only (E)-oct-2-enoic and 3-oxooctanoic acid had IC50 values of 1.7 and 1.6 mM with the human lung fibroblast cell line.
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21
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Evolving marine biomimetics for regenerative dentistry. Mar Drugs 2014; 12:2877-912. [PMID: 24828293 PMCID: PMC4052322 DOI: 10.3390/md12052877] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 04/14/2014] [Accepted: 04/16/2014] [Indexed: 12/16/2022] Open
Abstract
New products that help make human tissue and organ regeneration more effective are in high demand and include materials, structures and substrates that drive cell-to-tissue transformations, orchestrate anatomical assembly and tissue integration with biology. Marine organisms are exemplary bioresources that have extensive possibilities in supporting and facilitating development of human tissue substitutes. Such organisms represent a deep and diverse reserve of materials, substrates and structures that can facilitate tissue reconstruction within lab-based cultures. The reason is that they possess sophisticated structures, architectures and biomaterial designs that are still difficult to replicate using synthetic processes, so far. These products offer tantalizing pre-made options that are versatile, adaptable and have many functions for current tissue engineers seeking fresh solutions to the deficiencies in existing dental biomaterials, which lack the intrinsic elements of biofunctioning, structural and mechanical design to regenerate anatomically correct dental tissues both in the culture dish and in vivo.
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22
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Wei WC, Sung PJ, Duh CY, Chen BW, Sheu JH, Yang NS. Anti-inflammatory activities of natural products isolated from soft corals of Taiwan between 2008 and 2012. Mar Drugs 2013; 11:4083-126. [PMID: 24152566 PMCID: PMC3826151 DOI: 10.3390/md11104083] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 09/12/2013] [Accepted: 09/13/2013] [Indexed: 11/26/2022] Open
Abstract
This review reports details on the natural products isolated from Taiwan soft corals during the period 2008–2012 focusing on their in vitro and/or in vivo anti-inflammatory activities. Chemical structures, names, and literature references are also reported. This review provides useful and specific information on potent anti-inflammatory marine metabolites for future development of immune-modulatory therapeutics.
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Affiliation(s)
- Wen-Chi Wei
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 128, Taiwan; E-Mail:
| | - Ping-Jyun Sung
- National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan; E-Mail:
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung 944, Taiwan
| | - Chang-Yih Duh
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan; E-Mails: (C.-Y.D.); (B.-W.C.)
| | - Bo-Wei Chen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan; E-Mails: (C.-Y.D.); (B.-W.C.)
| | - Jyh-Horng Sheu
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan; E-Mails: (C.-Y.D.); (B.-W.C.)
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Authors to whom correspondence should be addressed; E-Mails: (J.-H.S.); (N.-S.Y.); Tel./Fax: +886-7525-2000 (ext. 5030) (J.-H.S.), +886-2-2787-2067 (N.-S.Y.)
| | - Ning-Sun Yang
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 128, Taiwan; E-Mail:
- Institute of Biotechnology, National Taiwan University, Taipei 106, Taiwan
- Department of Life Science, National Central University, Taoyuan 320, Taiwan
- Authors to whom correspondence should be addressed; E-Mails: (J.-H.S.); (N.-S.Y.); Tel./Fax: +886-7525-2000 (ext. 5030) (J.-H.S.), +886-2-2787-2067 (N.-S.Y.)
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23
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Pelay-Gimeno M, Tulla-Puche J, Albericio F. "Head-to-side-chain" cyclodepsipeptides of marine origin. Mar Drugs 2013; 11:1693-717. [PMID: 23697952 PMCID: PMC3707169 DOI: 10.3390/md11051693] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 04/07/2013] [Accepted: 04/23/2013] [Indexed: 12/25/2022] Open
Abstract
Since the late 1980s, a large number of depsipeptides that contain a new topography, referred to as "head-to-side-chain" cyclodepsipeptides, have been isolated and characterized. These peptides present a unique structural arrangement that comprises a macrocyclic region closed through an ester bond between the C-terminus and a β-hydroxyl group, and terminated with a polyketide moiety or a more simple branched aliphatic acid. This structural pattern, the presence of unique and complex residues, and relevant bioactivity are the main features shared by all the members of this new class of depsipeptides, which are reviewed herein.
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Affiliation(s)
- Marta Pelay-Gimeno
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, Barcelona 08028, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Baldiri Reixac 10, Barcelona 08028, Spain
| | - Judit Tulla-Puche
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, Barcelona 08028, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Baldiri Reixac 10, Barcelona 08028, Spain
| | - Fernando Albericio
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, Barcelona 08028, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Baldiri Reixac 10, Barcelona 08028, Spain
- Department of Organic Chemistry, University of Barcelona, Martí i Franqués 1-11, Barcelona 08028, Spain
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
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Ahmed S, Ibrahim A, Arafa AS. Anti-H5N1 virus metabolites from the Red Sea soft coral, Sinularia candidula. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.02.088] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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25
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Jeso V, Yang C, Cameron MD, Cleveland JL, Micalizio GC. Synthesis and SAR of Lehualide B: a marine-derived natural product with potent anti-multiple myeloma activity. ACS Chem Biol 2013; 8:1241-52. [PMID: 23547759 PMCID: PMC3758376 DOI: 10.1021/cb300582s] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We report a concise and convergent laboratory synthesis of the rare marine natural product lehualide B that has led to the discovery that (1) this compound has low nanomolar activity against human multiple myeloma cells and (2) the anticancer effects of lehualide B and its analogues are selective (i.e., they are approximately 2-3 orders of magnitude less toxic to human breast cancer cells). Synthetic lehualide B is shown to be an effective inhibitor of complex I of the mitochondrial electron transport chain, with potency similar to that observed for the terrestrial natural products piericidin A1 and rotenone, an observation that led to the discovery that piericidin A1 is also selectively cytotoxic toward human multiple myeloma cells. Interestingly, synthetic derivatives of lehualide B that resemble verticipyrone (an established complex I inhibitor composed of a γ-pyrone and a simple monounsaturated hydrophobic chain) lack the potent antimyeloma activity of the natural product. Finally, the synthesis and evaluation of a collection of lehualide-inspired analogues led to the elucidation of structure-activity relationships for this rare natural product that established important roles for the substituted γ-pyrone headgroup and the skipped polyene side chain.
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Affiliation(s)
- Valer Jeso
- Departments of Chemistry, The Scripps Research Institute, Scripps Florida, Jupiter, Florida 33458
| | - Chunying Yang
- Cancer Biology, The Scripps Research Institute, Scripps Florida, Jupiter, Florida 33458
| | - Michael D. Cameron
- Molecular Therapeutics, The Scripps Research Institute, Scripps Florida, Jupiter, Florida 33458
| | - John L. Cleveland
- Cancer Biology, The Scripps Research Institute, Scripps Florida, Jupiter, Florida 33458
| | - Glenn C. Micalizio
- Departments of Chemistry, The Scripps Research Institute, Scripps Florida, Jupiter, Florida 33458
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Dias DA, Urban S, Roessner U. A historical overview of natural products in drug discovery. Metabolites 2012; 2:303-36. [PMID: 24957513 PMCID: PMC3901206 DOI: 10.3390/metabo2020303] [Citation(s) in RCA: 877] [Impact Index Per Article: 73.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Revised: 03/31/2012] [Accepted: 03/31/2012] [Indexed: 12/25/2022] Open
Abstract
Historically, natural products have been used since ancient times and in folklore for the treatment of many diseases and illnesses. Classical natural product chemistry methodologies enabled a vast array of bioactive secondary metabolites from terrestrial and marine sources to be discovered. Many of these natural products have gone on to become current drug candidates. This brief review aims to highlight historically significant bioactive marine and terrestrial natural products, their use in folklore and dereplication techniques to rapidly facilitate their discovery. Furthermore a discussion of how natural product chemistry has resulted in the identification of many drug candidates; the application of advanced hyphenated spectroscopic techniques to aid in their discovery, the future of natural product chemistry and finally adopting metabolomic profiling and dereplication approaches for the comprehensive study of natural product extracts will be discussed.
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Affiliation(s)
- Daniel A Dias
- Metabolomics Australia, School of Botany, The University of Melbourne, Parkville, Victoria 3010, Australia.
| | - Sylvia Urban
- School of Applied Sciences (Discipline of Applied Chemistry), Health Innovations Research Institute (HIRi) RMIT University, G.P.O. Box 2476V, Melbourne, Victoria 3001, Australia
| | - Ute Roessner
- Metabolomics Australia, School of Botany, The University of Melbourne, Parkville, Victoria 3010, Australia
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Trends in the discovery of new marine natural products from invertebrates over the last two decades--where and what are we bioprospecting? PLoS One 2012; 7:e30580. [PMID: 22276216 PMCID: PMC3262841 DOI: 10.1371/journal.pone.0030580] [Citation(s) in RCA: 120] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Accepted: 12/22/2011] [Indexed: 12/17/2022] Open
Abstract
It is acknowledged that marine invertebrates produce bioactive natural products that may be useful for developing new drugs. By exploring untapped geographical sources and/or novel groups of organisms one can maximize the search for new marine drugs to treat human diseases. The goal of this paper is to analyse the trends associated with the discovery of new marine natural products from invertebrates (NMNPI) over the last two decades. The analysis considers different taxonomical levels and geographical approaches of bioprospected species. Additionally, this research is also directed to provide new insights into less bioprospected taxa and world regions. In order to gather the information available on NMNPI, the yearly-published reviews of Marine Natural Products covering 1990-2009 were surveyed. Information on source organisms, specifically taxonomical information and collection sites, was assembled together with additional geographical information collected from the articles originally describing the new natural product. Almost 10000 NMNPI were discovered since 1990, with a pronounced increase between decades. Porifera and Cnidaria were the two dominant sources of NMNPI worldwide. The exception was polar regions where Echinodermata dominated. The majority of species that yielded the new natural products belong to only one class of each Porifera and Cnidaria phyla (Demospongiae and Anthozoa, respectively). Increased bioprospecting efforts were observed in the Pacific Ocean, particularly in Asian countries that are associated with the Japan Biodiversity Hotspot and the Kuroshio Current. Although results show comparably less NMNPI from polar regions, the number of new natural products per species is similar to that recorded for other regions. The present study provides information to future bioprospecting efforts addressing previously unexplored taxonomic groups and/or regions. We also highlight how marine invertebrates, which in some cases have no commercial value, may become highly valuable in the ongoing search for new drugs from the sea.
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Kumar R, Subramani R, Feussner KD, Aalbersberg W. Aurantoside K, a new antifungal tetramic acid glycoside from a Fijian marine sponge of the genus Melophlus. Mar Drugs 2012; 10:200-208. [PMID: 22363230 PMCID: PMC3280539 DOI: 10.3390/md10010200] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 01/11/2012] [Accepted: 01/13/2012] [Indexed: 11/16/2022] Open
Abstract
A new tetramic acid glycoside, aurantoside K, was isolated from a marine sponge belonging to the genus Melophlus. The structure of the compound was elucidated on the basis of spectroscopic analysis (¹H NMR, ¹H-¹H COSY, HSQC, and HMBC, as well as high-resolution ESILCMS). Aurantoside K did not show any significant activity in antimalarial, antibacterial, or HCT-116 cytotoxicity assays, but exhibited a wide spectrum of antifungal activity against wild type Candida albicans, amphotericin-resistant C. albicans, Cryptococcus neoformans, Aspergillus niger, Penicillium sp., Rhizopus sporangia and Sordaria sp.
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Affiliation(s)
| | - Ramesh Subramani
- Author to whom correspondence should be addressed; ; Tel.: +679-323-2941; Fax: +679-323-1534
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29
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Wei WC, Lin SY, Chen YJ, Wen CC, Huang CY, Palanisamy A, Yang NS, Sheu JH. Topical application of marine briarane-type diterpenes effectively inhibits 12-O-tetradecanoylphorbol-13-acetate-induced inflammation and dermatitis in murine skin. J Biomed Sci 2011; 18:94. [PMID: 22189182 PMCID: PMC3262025 DOI: 10.1186/1423-0127-18-94] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Accepted: 12/21/2011] [Indexed: 12/17/2022] Open
Abstract
Background Skin is the largest organ in the body, and is directly exposed to extrinsic assaults. As such, the skin plays a central role in host defense and the cutaneous immune system is able to elicit specific local inflammatory and systemic immune responses against harmful stimuli. 12-O-tetradecanoylphorbol-13-acetate (TPA) can stimulate acute and chronic inflammation and tumor promotion in skin. TPA-induced dermatitis is thus a useful in vivo pharmacological platform for drug discovery. In this study, the inhibitory effect of briarane-type diterpenes (BrDs) from marine coral Briareum excavatum on TPA-induced dermatitis and dendritic cell (DC) function was explored. Methods Evans blue dye exudation was used to determine vascular permeability. H&E-stained skin section was used to determine the formation of edema in mouse abdominal skin. We also used immunohistochemistry staining and western blot assays to evaluate the activation of specific inflammation makers and key mediators of signaling pathway in the mouse skin. Furthermore, mouse bone marrow DCs were used to determine the relationship between the chemical structure of BrDs and their regulation of DC function. Results BrD1 remarkably suppressed TPA-induced vascular permeability and edema in skin. At the biochemical level, BrD1 inhibited TPA-induced expression of cyclooxygenase-2, inducible nitric oxide synthase and matrix metalloproteinase-9, the key indicators of cutaneous inflammation. This inhibition was apparently mediated by interference with the Akt/NF-κB-mediated signaling network. BrD1 also inhibited TNF-α and IL-6 expression in LPS-stimulated BMDCs. The 8, 17-epoxide of BrDs played a crucial role in the inhibition of IL-6 expression, and replacement of the C-12 hydroxyl group with longer esters in BrDs gradually decreased this inhibitory activity. Conclusions Our results suggest that BrDs warrant further investigation as natural immunomodulatory agents for control of inflammatory skin diseases.
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Affiliation(s)
- Wen-Chi Wei
- Agricultural Biotechnology Research Center, Academia Sinica, Taiwan
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Zhu F, Qin C, Tao L, Liu X, Shi Z, Ma X, Jia J, Tan Y, Cui C, Lin J, Tan C, Jiang Y, Chen Y. Clustered patterns of species origins of nature-derived drugs and clues for future bioprospecting. Proc Natl Acad Sci U S A 2011; 108:12943-8. [PMID: 21768386 PMCID: PMC3150889 DOI: 10.1073/pnas.1107336108] [Citation(s) in RCA: 172] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Many drugs are nature derived. Low drug productivity has renewed interest in natural products as drug-discovery sources. Nature-derived drugs are composed of dozens of molecular scaffolds generated by specific secondary-metabolite gene clusters in selected species. It can be hypothesized that drug-like structures probably are distributed in selective groups of species. We compared the species origins of 939 approved and 369 clinical-trial drugs with those of 119 preclinical drugs and 19,721 bioactive natural products. In contrast to the scattered distribution of bioactive natural products, these drugs are clustered into 144 of the 6,763 known species families in nature, with 80% of the approved drugs and 67% of the clinical-trial drugs concentrated in 17 and 30 drug-prolific families, respectively. Four lines of evidence from historical drug data, 13,548 marine natural products, 767 medicinal plants, and 19,721 bioactive natural products suggest that drugs are derived mostly from preexisting drug-productive families. Drug-productive clusters expand slowly by conventional technologies. The lack of drugs outside drug-productive families is not necessarily the result of under-exploration or late exploration by conventional technologies. New technologies that explore cryptic gene clusters, pathways, interspecies crosstalk, and high-throughput fermentation enable the discovery of novel natural products. The potential impact of these technologies on drug productivity and on the distribution patterns of drug-productive families is yet to be revealed.
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Affiliation(s)
- Feng Zhu
- Key Laboratory of Chemical Biology, Guangdong Province Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People's Republic of China
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
| | - Chu Qin
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
- Department of Pharmacy, National University of Singapore Graduate School for Integrative Sciences and Engineering, Singapore 117456; and
| | - Lin Tao
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
- Department of Pharmacy, National University of Singapore Graduate School for Integrative Sciences and Engineering, Singapore 117456; and
| | - Xin Liu
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
| | - Zhe Shi
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
| | - Xiaohua Ma
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
| | - Jia Jia
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
| | - Ying Tan
- Key Laboratory of Chemical Biology, Guangdong Province Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People's Republic of China
| | - Cheng Cui
- Key Laboratory of Chemical Biology, Guangdong Province Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People's Republic of China
| | - Jinshun Lin
- Key Laboratory of Chemical Biology, Guangdong Province Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People's Republic of China
| | - Chunyan Tan
- Key Laboratory of Chemical Biology, Guangdong Province Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People's Republic of China
| | - Yuyang Jiang
- Key Laboratory of Chemical Biology, Guangdong Province Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People's Republic of China
- School of Medicine and Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
| | - Yuzong Chen
- Key Laboratory of Chemical Biology, Guangdong Province Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People's Republic of China
- Bioinformatics and Drug Design Group, Department of Pharmacy, and
- Center for Computational Science and Engineering, National University of Singapore, Singapore 117543
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Affiliation(s)
- Jiangtao Gao
- Department of Pharmacognosy, School of Pharmacy, The University of Mississippi, University, Mississippi 38677, USA
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Berrue F, Withers ST, Haltli B, Withers J, Kerr RG. Chemical screening method for the rapid identification of microbial sources of marine invertebrate-associated metabolites. Mar Drugs 2011; 9:369-81. [PMID: 21556166 PMCID: PMC3083657 DOI: 10.3390/md9030369] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2011] [Revised: 03/06/2011] [Accepted: 03/18/2011] [Indexed: 12/17/2022] Open
Abstract
Marine invertebrates have proven to be a rich source of secondary metabolites. The growing recognition that marine microorganisms associated with invertebrate hosts are involved in the biosynthesis of secondary metabolites offers new alternatives for the discovery and development of marine natural products. However, the discovery of microorganisms producing secondary metabolites previously attributed to an invertebrate host poses a significant challenge. This study describes an efficient chemical screening method utilizing a 96-well plate-based bacterial cultivation strategy to identify and isolate microbial producers of marine invertebrate-associated metabolites.
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Affiliation(s)
- Fabrice Berrue
- Department of Chemistry & Department of Biomedical Sciences, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, Canada.
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33
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Pinkerton D, Banwell M, Garson M, Kumar N, de Moraes M, Cavalcanti B, Barros F, Pessoa C. Antimicrobial and Cytotoxic Activities of Synthetically Derived Tambjamines C and E - J, BE-18591, and a Related Alkaloid from the Marine Bacterium Pseudoalteromonas tunicata. Chem Biodivers 2010; 7:1311-24. [DOI: 10.1002/cbdv.201000030] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Abstract
We report a concise, enantioselective, and highly efficient synthesis of the marine actinomycete-derived natural product saliniketal B. Our approach was motivated with an eye toward future structure-function studies of this inhibitor of phorbol ester-mediated ornithine decarboxylase induction via an unknown mechanism. Our strategy highlights the utility of Pt(II)-mediated cycloisomerization of alkynediols developed in our laboratory to construct the dioxabicyclo[3.2.1]octane ring system, a highly selective aldol fragment coupling whose stereochemical outcome is influenced by a gamma-stereogenic methyl group, and an interesting one-pot desilylation/dihydropyranone fragmentation/amidation sequence. As such, saliniketal B was obtained in 11 steps and 23% overall yield from commercially available starting material via a convergent coupling of two equally complex fragments assembled in seven and eight steps (39 and 45%), respectively.
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Affiliation(s)
- Jun Liu
- Department of Biochemistry and Harold C. Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9038, USA
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Maréchal JP, Hellio C. Challenges for the development of new non-toxic antifouling solutions. Int J Mol Sci 2009; 10:4623-4637. [PMID: 20087457 PMCID: PMC2808003 DOI: 10.3390/ijms10114623] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2009] [Accepted: 10/26/2009] [Indexed: 11/30/2022] Open
Abstract
Marine biofouling is of major economic concern to all marine industries. The shipping trade is particularly alert to the development of new antifouling (AF) strategies, especially green AF paint as international regulations regarding the environmental impact of the compounds actually incorporated into the formulations are becoming more and more strict. It is also recognised that vessels play an extensive role in invasive species propagation as ballast waters transport potentially threatening larvae. It is then crucial to develop new AF solutions combining advances in marine chemistry and topography, in addition to a knowledge of marine biofoulers, with respect to the marine environment. This review presents the recent research progress made in the field of new non-toxic AF solutions (new microtexturing of surfaces, foul-release coatings, and with a special emphasis on marine natural antifoulants) as well as the perspectives for future research directions.
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Affiliation(s)
- Jean-Philippe Maréchal
- Observatoire du Milieu Marin Martiniquais, 3 avenue Condorcet, 97 200 Fort de France, Martinique, FWI, France; E-Mail:
| | - Claire Hellio
- School of Biological Sciences, King Henry Building, Portsmouth University, Portsmouth PO1 2DY, UK
- Author to whom correspondence should be addressed; E-Mail:
; Tel.: + 44-239-284-2073; Fax: +44-239-284-2070
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Mehta G, Likhite NS, Ananda Kumar C. A concise synthesis of the bioactive meroterpenoid natural product (±)-liphagal, a potent PI3K inhibitor. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.07.019] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Corminboeuf O, Overman LE, Pennington LD. A unified strategy for enantioselective total synthesis of cladiellin and briarellin diterpenes: total synthesis of briarellins E and F and the putative structure of alcyonin and revision of its structure assignment. J Org Chem 2009; 74:5458-70. [PMID: 19534538 PMCID: PMC2744073 DOI: 10.1021/jo9010156] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Enantioselective total syntheses of briarellin E (12) and briarellin F (13), as well as the structure originally proposed for the cladiellin diterpene alcyonin (10), have been realized. Comparison of the spectral data for synthetic 10, natural alcyonin, cladiellisin (33), and cladiellaperoxide (34), as well as chemical transformations of 10 and natural alcyonin, suggest that the structure of this coral metabolite is allylic peroxide 11. The unified approach detailed herein can be used to access both C4-deoxygenated and C4-oxygenated cladiellins and briarellins. The central step in these syntheses is acid-promoted condensation of (Z)-alpha,beta-unsaturated aldehydes 17 with cyclohexadienyl diols 18 to form intermediates 16 incorporating the hexahydroisobenzofuran core and five stereocenters of these marine diterpenes (Scheme 1 ).
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Affiliation(s)
| | - Larry E. Overman
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, California 92697-2025
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Nadkarni DH, Wang F, Wang W, Rayburn ER, Ezell SJ, Murugesan S, Velu SE, Zhang R. Synthesis and in vitro anti-lung cancer activity of novel 1, 3, 4, 8-tetrahydropyrrolo [4, 3, 2-de]quinolin-8(1H)-one alkaloid analogs. Med Chem 2009; 5:227-36. [PMID: 19442212 DOI: 10.2174/157340609788185873] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The high mortality rate and lack of effective therapies make lung cancer an ideal target for novel therapeutic agents. The present study was designed to implement a novel chemical synthesis pathway and to determine the biological activities of synthetic makaluvamine analogs in human lung cancer. Seventeen compounds were synthesized and purified, and their chemical structures were elucidated on the basis of physicochemical constants and NMR spectra. Their in vitro activity was determined in human lung cancer cell lines. Based on initial screens, compound Ic was found to be the most potent, and was therefore used as a model for further studies in lung cancer cells. Ic induced both apoptosis and S-phase cell cycle arrest. Furthermore, it activated p53 and induced cleavage of PARP and caspases 8 and 9. Our preclinical data indicate that the makaluvamine analogs are potential therapeutic agents against lung cancer, providing a basis for further development of Ic (and perhaps other analogs) as a novel anti-cancer agent.
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Affiliation(s)
- Dwayaja H Nadkarni
- 1Department of Chemistry, Division of Clinical Pharmacology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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Zhang Y, Mu J, Feng Y, Kang Y, Zhang J, Gu PJ, Wang Y, Ma LF, Zhu YH. Broad-spectrum antimicrobial epiphytic and endophytic fungi from marine organisms: isolation, bioassay and taxonomy. Mar Drugs 2009; 7:97-112. [PMID: 19597575 PMCID: PMC2707037 DOI: 10.3390/md7020097] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2009] [Revised: 04/12/2009] [Accepted: 04/16/2009] [Indexed: 11/16/2022] Open
Abstract
In the search for new marine derived antibiotics, 43 epi- and endophytic fungal strains were isolated from the surface or the inner tissue of different marine plants and invertebrates. Through preliminary and secondary screening, 10 of them were found to be able to produce broad-spectrum antimicrobial metabolites. By morphological and molecular biological methods, three active strains were characterized to be Penicillium glabrum, Fusarium oxysporum, and Alternaria alternata.
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Affiliation(s)
- Yi Zhang
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Jun Mu
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Yan Feng
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Yue Kang
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Jia Zhang
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Peng-Juan Gu
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Yu Wang
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Li-Fang Ma
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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| | - Yan-Hua Zhu
- Department of Biotechnology, School of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian 116028, P.R. China; E-Mails:
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FBA-TPQ, a novel marine-derived compound as experimental therapy for prostate cancer. Invest New Drugs 2009; 28:234-41. [PMID: 19274441 DOI: 10.1007/s10637-009-9232-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2008] [Accepted: 02/10/2009] [Indexed: 12/31/2022]
Abstract
We recently synthesized a series of novel makaluvamine compounds, and found that the most potent was FBA-TPQ. The effects of FBA-TPQ on human (LNCaP and PC3) and murine (TRAMP C1) prostate cancer cells were evaluated. Potential mechanisms of action of the compound were also determined. FBA-TPQ exhibited dose-dependent cytotoxicity in the low micromolar range, inhibited proliferation, caused cell cycle arrest, and induced apoptosis in prostate cancer cell lines. The compound also decreased the expression of the androgen receptor and PSA. The results presented herein support the further development of FBA-TPQ as a novel agent for prostate cancer.
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Abstract
Throughout history, natural products have afforded a rich source of compounds that have found many applications in the fields of medicine, pharmacy and biology. Within the sphere of cancer, a number of important new commercialised drugs have been obtained from natural sources, by structural modification of natural compounds, or by the synthesis of new compounds, designed following a natural compound as model. The search for improved cytotoxic agents continues to be an important line in the discovery of modern anticancer drugs. The huge structural diversity of natural compounds and their bioactivity potential have meant that several products isolated from plants, marine flora and microorganisms can serve as "lead" compounds for improvement of their therapeutic potential by molecular modification. Additionally, semisynthesis processes of new compounds, obtained by molecular modification of the functional groups of lead compounds, are able to generate structural analogues with greater pharmacological activity and with fewer side effects. These processes, complemented with high-throughput screening protocols, combinatorial chemistry, computational chemistry and bioinformatics are able to afford compounds that are far more efficient than those currently used in clinical practice. Combinatorial biosynthesis is also applied for the modification of natural microbial products. Likewise, advances in genomics and the advent of biotechnology have improved both the discovery and production of new natural compounds.
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Skindersoe ME, Ettinger-Epstein P, Rasmussen TB, Bjarnsholt T, de Nys R, Givskov M. Quorum sensing antagonism from marine organisms. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2008; 10:56-63. [PMID: 17952508 DOI: 10.1007/s10126-007-9036-y] [Citation(s) in RCA: 105] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2007] [Revised: 05/30/2007] [Accepted: 06/20/2007] [Indexed: 05/25/2023]
Abstract
With the global emergence of multiresistant bacteria there is an increasing demand for development of new treatments to combat pathogens. Bacterial cell-cell communication [quorum sensing (QS)] regulates expression of virulence factors in a number of bacterial pathogens and is a new promising target for the control of infectious bacteria. We present the results of screening of 284 extracts of marine organisms from the Great Barrier Reef, Australia, for their inhibition of QS. Of the 284 extracts, 64 (23%) were active in a general, LuxR-derived QS screen, and of these 36 (56%) were also active in a specific Pseudomonas aeruginosa QS screen. Extracts of the marine sponge Luffariella variabilis proved active in both systems. The secondary metabolites manoalide, manoalide monoacetate, and secomanoalide isolated from the sponge showed strong QS inhibition of a lasB::gfp(ASV) fusion, demonstrating the potential for further identification of specific QS antagonists from marine organisms.
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Affiliation(s)
- Mette Elena Skindersoe
- Department of BioScience and Technology, Technical University of Denmark, Lyngby, Denmark
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Baker DD, Chu M, Oza U, Rajgarhia V. The value of natural products to future pharmaceutical discovery. Nat Prod Rep 2007; 24:1225-44. [PMID: 18033577 DOI: 10.1039/b602241n] [Citation(s) in RCA: 207] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Natural products have provided considerable value to the pharmaceutical industry over the past half century. In particular, the therapeutic areas of infectious diseases and oncology have benefited from numerous drug classes derived from natural product sources. Unfortunately, pharmaceutical companies have significantly decreased activities in natural product discovery during the past several years. Biotechnology companies working in the fields of combinatorial biosynthesis, genetic engineering and metagenomic approaches to identify novel natural product lead molecules have had limited success. Despite what appears to be a slow death of natural product discovery research, many new and interesting molecules with biological activity have been published in the past few years. If natural product materials continue to be tested for desirable therapeutic activities, we believe that significant progress in identifying new antibiotics, oncology therapeutics and other useful medicines will be made.
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Affiliation(s)
- Dwight D Baker
- Cubist Pharmaceuticals, Inc., 65 Hayden Avenue, Lexington, Massachusetts 02421, USA.
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