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Zhang X, Dong Y, Liu X, Wang R, Lu J, Song F. New bisabolane-type sesquiterpenoid from Aspergillus sydowii BTBU20213012. Nat Prod Res 2024; 38:2792-2799. [PMID: 37480345 DOI: 10.1080/14786419.2023.2236764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/22/2023] [Accepted: 07/09/2023] [Indexed: 07/24/2023]
Abstract
A new bisabolane-type sesquiterpenoid, named (+)-8-dehydroxylaustrosene (1), along with ten known compounds, penicibisabolanes E (2) and G (3), (+)-austrosene (4), (S)-(+)-11-dehydrosydonic acid (5), sydonic acid (6), (7S,11S)-(+)-12-hydroxysydonic acid (7), (-)-(R)-hydroxysydonic acid (8), pseudaboydin A (9), (-)-(7 R,10R)-iso-10-hydroxysydowic acid (10), lumichrome (11), were identified from the fungus Aspergillus sydowii BTBU20213012 isolated from a marine sediment sample from the Western Pacific. The structures of the compounds were identified by HRESIMS and NMR data analysis. Compound 11 showed weak antimicrobial activity against Staphylococcus aureus with MIC value of 200 μg/mL.
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Affiliation(s)
- Xinjun Zhang
- Institute of Tibet Plateau Ecology, Key Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education of China, Tibet Agriculture & Animal Husbandry University, Nyingchi, Tibet, P. R. China
| | - Yifei Dong
- Key Laboratory of Geriatric Nutrition and Health, Ministry of Education of China; School of Light Industry, Beijing Technology and Business University, Beijing, P. R. China
| | - Xinyu Liu
- Key Laboratory of Geriatric Nutrition and Health, Ministry of Education of China; School of Light Industry, Beijing Technology and Business University, Beijing, P. R. China
| | - Ruihong Wang
- Institute of Tibet Plateau Ecology, Key Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education of China, Tibet Agriculture & Animal Husbandry University, Nyingchi, Tibet, P. R. China
| | - Jie Lu
- Institute of Tibet Plateau Ecology, Key Laboratory of Forest Ecology in Tibet Plateau, Ministry of Education of China, Tibet Agriculture & Animal Husbandry University, Nyingchi, Tibet, P. R. China
| | - Fuhang Song
- Key Laboratory of Geriatric Nutrition and Health, Ministry of Education of China; School of Light Industry, Beijing Technology and Business University, Beijing, P. R. China
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2
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Li C, Lin X, Wang S, Guan D, Wang X, Yang B, Zhou X, Li J, Xiong B, Liu Y, Sun Y. A New Brominated Isocoumarin from the Marine Starfish-Associated Fungus Aspergillus sp. WXF1904. Chem Biodivers 2024; 21:e202301706. [PMID: 38079052 DOI: 10.1002/cbdv.202301706] [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: 10/30/2023] [Accepted: 12/05/2023] [Indexed: 02/22/2024]
Abstract
Based on the one strain many compounds strategy, a new brominated isocoumarin, 5-bromo-6,8-dihydroxy-3,7-dimethylisocoumarin (1), along with four new natural products, methyl 3-bromo-2,4-dihydroxy-6-methylbenzoate (2), methyl 2-bromo-4,6-dihydroxybenzoate (3), (E)-3-(3-bromo-4-hydroxyphenyl) acrylic acid (4) and 4-hydroxy-3-methyl-6-phenyl-2H-pyran-2-one (5), and four known compounds, methyl orsellinate (6), 4-hydroxy-3-methyl-6-(1-methyl-1-propenyl)-2H-pyran-2-one (7), pilobolusate (8) and cis-ferulic acid (9), were isolated from the ethyl acetate extract of the fungus Aspergillus sp. WXF1904 under the condition of adding bromine salt to the production medium. The structures of the new compounds were established by analysis of NMR and MS data. Compounds (1-9) were evaluated for inhibitory activity of acetylcholinesterase and pancreatic lipase, the new compound 1, known compounds 6 and 7 displayed weak inhibitory activity against acetylcholinesterase, compounds 2, 5, 7 and 8 showed weak inhibitory activity against pancreatic lipase.
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Affiliation(s)
- Chao Li
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, the College of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Xiuping Lin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Shiwei Wang
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, the College of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Da Guan
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Xiaofang Wang
- Marine Environmental Engineering Center, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Bin Yang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Xuefeng Zhou
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Jianfang Li
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, the College of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Bentao Xiong
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, the College of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Yonghong Liu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Yanmei Sun
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology of Shaanxi Province, the College of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
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3
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Gao Y, Wang J, Meesakul P, Zhou J, Liu J, Liu S, Wang C, Cao S. Cytotoxic Compounds from Marine Fungi: Sources, Structures, and Bioactivity. Mar Drugs 2024; 22:70. [PMID: 38393041 PMCID: PMC10890532 DOI: 10.3390/md22020070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/26/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
Marine fungi, such as species from the Penicillium and Aspergillus genera, are prolific producers of a diversity of natural products with cytotoxic properties. These fungi have been successfully isolated and identified from various marine sources, including sponges, coral, algae, mangroves, sediment, and seawater. The cytotoxic compounds derived from marine fungi can be categorized into five distinct classes: polyketides, peptides, terpenoids and sterols, hybrids, and other miscellaneous compounds. Notably, the pre-eminent group among these compounds comprises polyketides, accounting for 307 out of 642 identified compounds. Particularly, within this collection, 23 out of the 642 compounds exhibit remarkable cytotoxic potency, with IC50 values measured at the nanomolar (nM) or nanogram per milliliter (ng/mL) levels. This review elucidates the originating fungal strains, the sources of isolation, chemical structures, and the noteworthy antitumor activity of the 642 novel natural products isolated from marine fungi. The scope of this review encompasses the period from 1991 to 2023.
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Affiliation(s)
- Yukang Gao
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Universities in Guangxi for Excavation and Development of Ancient Ethnomedicinal Recipes, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi Minzu University, Nanning 530006, China; (Y.G.); (J.W.); (J.Z.); (J.L.); (S.L.)
| | - Jianjian Wang
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Universities in Guangxi for Excavation and Development of Ancient Ethnomedicinal Recipes, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi Minzu University, Nanning 530006, China; (Y.G.); (J.W.); (J.Z.); (J.L.); (S.L.)
| | - Pornphimon Meesakul
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai’i at Hilo, Hilo, HI 96720, USA;
| | - Jiamin Zhou
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Universities in Guangxi for Excavation and Development of Ancient Ethnomedicinal Recipes, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi Minzu University, Nanning 530006, China; (Y.G.); (J.W.); (J.Z.); (J.L.); (S.L.)
| | - Jinyan Liu
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Universities in Guangxi for Excavation and Development of Ancient Ethnomedicinal Recipes, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi Minzu University, Nanning 530006, China; (Y.G.); (J.W.); (J.Z.); (J.L.); (S.L.)
| | - Shuo Liu
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Universities in Guangxi for Excavation and Development of Ancient Ethnomedicinal Recipes, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi Minzu University, Nanning 530006, China; (Y.G.); (J.W.); (J.Z.); (J.L.); (S.L.)
| | - Cong Wang
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Universities in Guangxi for Excavation and Development of Ancient Ethnomedicinal Recipes, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi Minzu University, Nanning 530006, China; (Y.G.); (J.W.); (J.Z.); (J.L.); (S.L.)
| | - Shugeng Cao
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai’i at Hilo, Hilo, HI 96720, USA;
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Sadıkoğulları BC, Şenel P, Çini N, Faysal AA, Odabaşoğlu M, Özdemir AD, Gölcü A. An Overview of Natural and Synthetic Phthalides Involved in Cancer Studies: Past, Present, and Future. ChemistrySelect 2022. [DOI: 10.1002/slct.202202004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Bleda Can Sadıkoğulları
- Istanbul Technical University Faculty of Sciences and Letters Department of Chemistry Istanbul 34469 Turkey
| | - Pelin Şenel
- Istanbul Technical University Faculty of Sciences and Letters Department of Chemistry Istanbul 34469 Turkey
| | - Nejla Çini
- Istanbul Technical University Faculty of Sciences and Letters Department of Chemistry Istanbul 34469 Turkey
| | - Abdullah Al Faysal
- Istanbul Technical University Faculty of Sciences and Letters Department of Chemistry Istanbul 34469 Turkey
| | - Mustafa Odabaşoğlu
- Karadeniz Technical University Faculty of Sciences and Letters Department of Chemistry Trabzon 61080 Turkey
| | - Ayşe Daut Özdemir
- Istanbul Technical University Faculty of Sciences and Letters Department of Chemistry Istanbul 34469 Turkey
| | - Ayşegül Gölcü
- Istanbul Technical University Faculty of Sciences and Letters Department of Chemistry Istanbul 34469 Turkey
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Weng HZ, Zhu JY, Yuan FY, Tang ZY, Tian XQ, Chen Y, Fan CQ, Tang GH, Yin S. Homo/Hetero-Dimers of Aromatic Bisabolane Sesquiterpenoids with Neuroprotective Activity from the Fungus Aspergillus versicolor A18 from South China Sea. Mar Drugs 2022; 20:md20050322. [PMID: 35621973 PMCID: PMC9146609 DOI: 10.3390/md20050322] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/09/2022] [Accepted: 05/11/2022] [Indexed: 02/01/2023] Open
Abstract
Chromatographic fractionation of the EtOH extracts of the marine-derived fungus Aspergillus versicolor A18 has led to the isolation of 11 homo/hetero-dimers of aromatic bisabolane sesquiterpenoids including eight diphenyl ether-coupled aromatic bisabolanes (1a/1b and 5−10) and three homodimers (2−4), together with their monomers including three aromatic bisabolanes (11−13) and two diphenyl ethers (14 and 15). Their structures and absolute configurations were elucidated by extensive spectroscopic analysis including HRESIMS, 1D/2D NMR, calculated ECD, and the optical rotatory data. Among the four new compounds, (+/−)-asperbisabol A (1a/1b), asperbisabol B (2), and asperbisabol C (3), the enantiomers 1a and 1b represent an unprecedented skeleton of diphenyl ether-coupled aromatic bisabolane sesquiterpenoids with a spiroketal core moiety. The neuroprotective effects of selected compounds against sodium nitroprusside (SNP)-induced injury were evaluated in PC12 cells by the MTT assay. Five compounds (1a, 6, and 8−10) showed remarkable neuroprotective activities at 10 μM, being more active than the positive control edaravone.
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Affiliation(s)
- Han-Zhuang Weng
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (H.-Z.W.); (J.-Y.Z.); (F.-Y.Y.); (Z.-Y.T.); (Y.C.); (S.Y.)
| | - Jun-Yu Zhu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (H.-Z.W.); (J.-Y.Z.); (F.-Y.Y.); (Z.-Y.T.); (Y.C.); (S.Y.)
| | - Fang-Yu Yuan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (H.-Z.W.); (J.-Y.Z.); (F.-Y.Y.); (Z.-Y.T.); (Y.C.); (S.Y.)
| | - Zhuo-Ya Tang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (H.-Z.W.); (J.-Y.Z.); (F.-Y.Y.); (Z.-Y.T.); (Y.C.); (S.Y.)
| | - Xiao-Qing Tian
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China;
| | - Ye Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (H.-Z.W.); (J.-Y.Z.); (F.-Y.Y.); (Z.-Y.T.); (Y.C.); (S.Y.)
| | - Cheng-Qi Fan
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China;
- Correspondence: (C.-Q.F.); (G.-H.T.)
| | - Gui-Hua Tang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (H.-Z.W.); (J.-Y.Z.); (F.-Y.Y.); (Z.-Y.T.); (Y.C.); (S.Y.)
- Correspondence: (C.-Q.F.); (G.-H.T.)
| | - Sheng Yin
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; (H.-Z.W.); (J.-Y.Z.); (F.-Y.Y.); (Z.-Y.T.); (Y.C.); (S.Y.)
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6
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Chen R, Li Z, Qin C, Lu P, Lin J, Zheng W, Xiong Y, Li C. A novel antibacterial tyroscherin derivative with a natural unprecedented morpholine-2, 3-dione structural unit from the fungus Pseudallescheria boydii. Nat Prod Res 2022; 36:5977-5983. [DOI: 10.1080/14786419.2022.2050228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ruolan Chen
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Ziyang Li
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Chan Qin
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Peijun Lu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Jiaru Lin
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Wenxu Zheng
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Yahong Xiong
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Chunyuan Li
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
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Pinedo-Rivilla C, Aleu J, Durán-Patrón R. Cryptic Metabolites from Marine-Derived Microorganisms Using OSMAC and Epigenetic Approaches. Mar Drugs 2022; 20:84. [PMID: 35200614 PMCID: PMC8879561 DOI: 10.3390/md20020084] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/12/2022] [Accepted: 01/16/2022] [Indexed: 02/04/2023] Open
Abstract
Marine microorganisms have proven to be a source of new natural products with a wide spectrum of biological activities relevant in different industrial sectors. The ever-increasing number of sequenced microbial genomes has highlighted a discrepancy between the number of gene clusters potentially encoding the production of natural products and the actual number of chemically characterized metabolites for a given microorganism. Homologous and heterologous expression of these biosynthetic genes, which are often silent under experimental laboratory culture conditions, may lead to the discovery of new cryptic natural products of medical and biotechnological interest. Several new genetic and cultivation-based strategies have been developed to meet this challenge. The OSMAC approach (one strain-many compounds), based on modification of growth conditions, has proven to be a powerful strategy for the discovery of new cryptic natural products. As a direct extension of this approach, the addition of chemical elicitors or epigenetic modifiers have also been used to activate silent genes. This review looks at the structures and biological activities of new cryptic metabolites from marine-derived microorganisms obtained using the OSMAC approach, the addition of chemical elicitors, and enzymatic inhibitors and epigenetic modifiers. It covers works published up to June 2021.
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Affiliation(s)
- Cristina Pinedo-Rivilla
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain;
- Instituto de Investigación en Biomoléculas (INBIO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Josefina Aleu
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain;
- Instituto de Investigación Vitivinícola y Agroalimentaria (IVAGRO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Rosa Durán-Patrón
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain;
- Instituto de Investigación Vitivinícola y Agroalimentaria (IVAGRO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
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Hasan M, Mia MM, Munna SU, Talha MMH, Das K. Seawater fungi-derived compound screening to identify novel small molecules against dengue virus NS5 methyltransferase and NS2B/NS3 protease. INFORMATICS IN MEDICINE UNLOCKED 2022; 30:100932. [PMID: 35372666 PMCID: PMC8957362 DOI: 10.1016/j.imu.2022.100932] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 12/24/2022] Open
Abstract
Dengue fever is a virus spread by mosquitoes that has no effective treatment or vaccination. Several dengue cases combined with the current COVID-19 pandemic, exacerbates this problem. Two proteins, NS5 methyltransferase and NS2B/NS3 primary protease complexes, are crucial for dengue viral replication and are the target sites for antiviral development. Thus, this study screened published literature and identified 162 marine fungus-derived compounds with active bioavailability. Following Lipinski's rules and antiviral property prediction, 41 compounds were selected for docking with NS5 methyltransferase and NS2B/NS3 protease (PDB ID: 6IZZ and 2FOM) to evaluate compounds that could stop the action of dengue viral protein complexes. To find the best candidates, computational ADME, toxicity, and drug target prediction were performed to estimate the potential of the multi-targeting fungal-derived natural compounds. Analyzing the result from 41 compounds, Chevalone E (−13.5 kcal/mol), Sterolic acid (−10.3 kcal/mol) showed higher binding energy against dengue NS2B/NS3 protease; meanwhile, Chevalone E (−12.0 kcal/mol), Brevione K (−7.4 kcal/mol), had greater binding affinity against NS5 methyltransferase. Consequently, this study suggests that Chevalone E is an effective inhibitor of NS5 methyltransferase and NS2B/NS3 protease. Ligand-based virtual screening from DrugBank was utilized to predict biologically active small compounds against dengue virus NS2B/NS3 major protease and NS5 methyltransferase. Both licensed medications, estramustine (DB01196) and quinestrol (DB04575), were found to be similar to Chevalone E, with prediction scores of 0.818 and 0.856, respectively. In addition, cholic acid (DB02659), acitretin (DB00459), and mupirocin (DB00410) are similar to Sterolic acid, zidovudine (DB00495), imipenem (DB01598), and nadolol (DB01203) are similar to Brocazine A, and budesonide (DB01222) and colchicine (DB01394) are related to Brevione K. These findings suggest that these could be feasible dengue virus treatment options, meaning that more research is needed.
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Affiliation(s)
- Mahamudul Hasan
- Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Md Mukthar Mia
- Department of Poultry Science, Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
- Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Shahab Uddin Munna
- Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Md Mowdudul Hasan Talha
- Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
- Department of Pharmacology and Toxicology, Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Kanon Das
- Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
- Department of Pharmacology and Toxicology, Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
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Gong T, Chen Z, Liu M, Cheng J. Recent Progress in the Synthesis of 2-Benzofuran-1(3 H)-one. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202109006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Pimjuk P, Mongkolthanaruk W, Suwannasai N, Senawong T, Tontapha S, Amornkitbumrung V, McCloskey S. A new α-pyrone derivative from Annulohypoxylon stygium SWUF09-030. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2021; 23:1182-1188. [PMID: 33334175 DOI: 10.1080/10286020.2020.1856095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 11/22/2020] [Indexed: 06/12/2023]
Abstract
A new α-pyrone derivative, namely annulopyronoate (1), together with the known isobenzofuranone, diphenyl ether, sesquiterpene, phenolic and diketopiperazine derivatives (2-12) were isolated from a filamentous fungus Annulohypoxylon stygium SWUF09-030. The structures were determined by analysis of spectroscopic and MS data. The absolute configuration of 1 was determined by comparison of experimental and calculated Electronic Circular Dichroism (ECD) spectra. Compounds 3-5 and 7 exhibited both anti-proliferative effects against HeLa, HT29, HCT116, MCF-7 and Vero cell lines and inhibition of nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophage cells.
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Affiliation(s)
- Preeyanuch Pimjuk
- Natural Products Research Unit, Centre of Excellence for Innovation in Chemistry (PERCH-CIC), Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Wiyada Mongkolthanaruk
- Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nuttika Suwannasai
- Department of Biology, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand
| | - Thanaset Senawong
- Department of Biochemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sarawut Tontapha
- Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Vittaya Amornkitbumrung
- Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
- Institute of Nanomaterials Research and Innovation for Energy, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sirirath McCloskey
- Natural Products Research Unit, Centre of Excellence for Innovation in Chemistry (PERCH-CIC), Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
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Ebrahim W, Ebada SS. Antimicrobial Metabolites from Extremophilic Fungus Botryotrichum piluliferum Strain WESH19. Chem Nat Compd 2021. [DOI: 10.1007/s10600-021-03443-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Gao S, Tian WJ, Liao ZJ, Wang GH, Zeng DQ, Liu XZ, Wang XY, Zhou H, Chen HF, Lin T. Chemical Constituents from Endophytic Fungus Annulohypoxylon cf. stygium in Leaves of Anoectochilus roxburghii. Chem Biodivers 2020; 17:e2000424. [PMID: 32672903 DOI: 10.1002/cbdv.202000424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 07/15/2020] [Indexed: 11/09/2022]
Abstract
The chemical investigation on endophytic fungus Annulohypoxylon cf. stygium in leaves of Anoectochilus roxburghii (Wall.) Lindl. has been performed. Sixteen compounds were isolated and their structures were identified as (-)-notoamide A, (-)-notoamide B, (+)-versicolamide B, notoamide C, notoamide D, stephacidin A, sterigmatocystin, dihydrosterigmatocystin, secosterigmatocystin, versiconol, averufanin, kipukasin D, kipukasin E, diorcinal, palmarumycin CP2 and (-)-(3R)-mellein methyl ether, respectively, by spectroscopic analysis and comparison with literature data. All the compounds were isolated from Annulohypoxylon genus for the first time. Sterigmatocystin and palmarumycin CP2 showed selective cytotoxic activities against HepG2, HeLa, MCF-7 and HT-29.
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Affiliation(s)
- Shuo Gao
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Wen-Jing Tian
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Zu-Jian Liao
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Guang-Hui Wang
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - De-Quan Zeng
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Xiang-Zhong Liu
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Xiao-Yao Wang
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Hu Zhou
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Hai-Feng Chen
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
| | - Ting Lin
- Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361005, P. R. China
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Méndez-Gálvez C, Böhme M, Leino R, Savela R. Synthesis of Isobenzofuranones by Cobalt Catalyzed [2+2+2] Cycloaddition. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Carolina Méndez-Gálvez
- Laboratory of Molecular Science and Technology; Åbo Akademi University; Biskopsgatan 8 20500 Åbo Finland
| | - Matthias Böhme
- Laboratory of Molecular Science and Technology; Åbo Akademi University; Biskopsgatan 8 20500 Åbo Finland
| | - Reko Leino
- Laboratory of Molecular Science and Technology; Åbo Akademi University; Biskopsgatan 8 20500 Åbo Finland
| | - Risto Savela
- Laboratory of Molecular Science and Technology; Åbo Akademi University; Biskopsgatan 8 20500 Åbo Finland
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14
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Monarubins A-C from the Marine Shellfish-Associated Fungus Monascus ruber BB5. Mar Drugs 2020; 18:md18020100. [PMID: 32028626 PMCID: PMC7073648 DOI: 10.3390/md18020100] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/02/2020] [Accepted: 02/03/2020] [Indexed: 02/07/2023] Open
Abstract
Three new compounds, monarubins A-C (1, 6 and 13), together with ten known compounds, including four alkaloids (2-5), two isocoumarins (7 and 8) and four polyketides (9-12), were isolated from marine shellfish-associated fungus Monascus ruber BB5. The structures were determined on the basis of the 1D and 2D NMR, MS, UV and IR data. The absolute configurations of compounds 3, 6 and 13 were determined by ECD calculations. The NMR data of compounds deoxyhydroxyaspergillic acid (3) and 2-hydroxy-6-(1-hydroxy-1-methylpropyl)-3-sec-buthylpyrazine (4) were first reported. All of the isolated compounds were evaluated for their cytotoxic activities against human nasopharyngeal carcinoma cell lines CNE1, CNE2, SUNE1 and HONE1 and hepatocellular carcinoma cell lines QGY7701 and HepG2. Monarubin B (6) displayed potent cytotoxicities against the cancer cell lines HepG2 and QGY7701 with IC50 values of 1.72 and 0.71 μΜ, respectively; lunatinin (7) showed moderate cytotoxic activities against the cancer cell lines HepG2, QGY7701 and SUNE1 with the IC50 values of 9.60, 7.12 and 28.12 μΜ, respectively.
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Liu Z, Frank M, Yu X, Yu H, Tran-Cong NM, Gao Y, Proksch P. Secondary Metabolites from Marine-Derived Fungi from China. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2020; 111:81-153. [PMID: 32114663 DOI: 10.1007/978-3-030-37865-3_2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Marine-derived fungi play an important role in the search for structurally unique secondary metabolites, some of which show promising pharmacological activities that make them useful leads for drug discovery. Marine natural product research in China in general has made enormous progress in the last two decades as described in this chapter on fungal metabolites. This contribution covers 613 new natural products reported from 2001 to 2017 from marine-derived fungi obtained from algae, sponges, corals, and other marine organisms from Chinese waters. The genera Aspergillus (170 new natural products, 28%) and Penicillium (70 new natural products, 11%) were the main fungal producers of new natural products during the time period covered, whereas sponges (184 new natural products, 30%) were the most abundant source of new natural products, followed by corals (154 new natural products, 25%) and algae (130 new natural products, 21%). Close to 40% of all natural products covered in this contribution displayed various bioactivities. The major bioactivities reported were cytotoxicity against different cancer cell lines, antimicrobial (mainly antibacterial) activity, and antiviral activity, which accounted for 13%, 9%, and 3% of all natural products reported. In terms of structural classes, polyketides (188 new natural products, 31%) play a dominant role, and if prenylated polyketides and nitrogen-containing polyketides (included in meroterpenes and alkaloids in this contribution) are taken into account, their total number even exceeds 50%. Nitrogen-containing compounds including peptides (65 new natural products, 10%) and alkaloids (103 new natural products, 17%) are the second largest group.
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Affiliation(s)
- Zhen Liu
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Marian Frank
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Xiaoqin Yu
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Haiqian Yu
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Nam M Tran-Cong
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Ying Gao
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Peter Proksch
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany.
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16
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Li HJ, Jiang CW, Xu MY, Yan DF, Xu J, Lan WJ. Pseudapenes A–C, sesquiterpenoids from the marine-derived fungus Pseudallescheria apiosperma F52-1. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.150953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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17
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Liu DH, Sun YZ, Kurtán T, Mándi A, Tang H, Li J, Su L, Zhuang CL, Liu ZY, Zhang W. Osteoclastogenesis Regulation Metabolites from the Coral-Associated Fungus Pseudallescheria boydii TW-1024-3. JOURNAL OF NATURAL PRODUCTS 2019; 82:1274-1282. [PMID: 30978020 DOI: 10.1021/acs.jnatprod.8b01053] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Three new compounds (9-11) were isolated together with eight known analogues from the fungus Pseudallescheria boydii associated with the South China Sea soft coral Sinularia sandensis. The structures of the new compounds were elucidated on the basis of the spectroscopic analysis, and the absolute configurations including the sulfur stereogenic center of a sulfoxide moiety were determined by comparison of experimental ECD spectra to TDDFT/ECD calculations. Epimeric chiral sulfoxides differing in the absolute configuration of the sulfur chirality center could be efficiently distinguished and assigned by comparing the experimental ECD to those of calculations for the sulfur epimers. In the in vitro biotests for osteoclastogenesis effects, compounds 1, 5, 7, and 10 exhibited a stimulatory activity, while compound 3 displayed an inhibitory activity.
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Affiliation(s)
- Da-Hua Liu
- School of Pharmacy , Second Military Medical University , 325 Guo-He Road , Shanghai 200433 , People's Republic of China
| | - Yi-Zhe Sun
- School of Pharmacy , Second Military Medical University , 325 Guo-He Road , Shanghai 200433 , People's Republic of China
| | - Tibor Kurtán
- Department of Organic Chemistry , University of Debrecen , POB 400, H-4002 Debrecen , Hungary
| | - Attila Mándi
- Department of Organic Chemistry , University of Debrecen , POB 400, H-4002 Debrecen , Hungary
| | - Hua Tang
- School of Pharmacy , Second Military Medical University , 325 Guo-He Road , Shanghai 200433 , People's Republic of China
| | - Jiao Li
- School of Pharmacy , Second Military Medical University , 325 Guo-He Road , Shanghai 200433 , People's Republic of China
- School of Pharmacy , Zhejiang Chinese Medical University , 548 Bin-Wen Road , Hangzhou 310053 , People's Republic of China
| | - Li Su
- School of Pharmacy , Second Military Medical University , 325 Guo-He Road , Shanghai 200433 , People's Republic of China
| | - Chun-Lin Zhuang
- School of Pharmacy , Second Military Medical University , 325 Guo-He Road , Shanghai 200433 , People's Republic of China
| | - Zhi-Yong Liu
- Department of Urology, Changhai Hospital , Second Military Medical University , 168 Chang-Hai Road , Shanghai 200433 , People's Republic of China
| | - Wen Zhang
- School of Pharmacy , Second Military Medical University , 325 Guo-He Road , Shanghai 200433 , People's Republic of China
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18
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Yuan MX, Qiu Y, Ran YQ, Feng GK, Deng R, Zhu XF, Lan WJ, Li HJ. Exploration of Indole Alkaloids from Marine Fungus Pseudallescheria boydii F44-1 Using an Amino Acid-Directed Strategy. Mar Drugs 2019; 17:md17020077. [PMID: 30678113 PMCID: PMC6410255 DOI: 10.3390/md17020077] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/17/2019] [Accepted: 01/21/2019] [Indexed: 11/16/2022] Open
Abstract
The composition of the culture medium has great influence on the metabolite production of the marine fungus Pseudallescheria boydii F44-1. By adding amino acids to GPY culture medium, two new bisindole alkaloids, pseudboindoles A and B (1 and 2), together with 11 known indole alkaloids were isolated from the culture broth. Their structures were elucidated by comprehensive analysis of the NMR, MS, IR, and UV spectra. The 3,3'-cyclohexylidenebis(1H-indole) (3) showed cytotoxic activity against various cancer cell lines.
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Affiliation(s)
- Mei-Xiang Yuan
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China.
| | - Yi Qiu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China.
| | - Yan-Qin Ran
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Gong-Kan Feng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Cancer Center, Sun Yat-sen University, Guangzhou 510060, China.
| | - Rong Deng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Cancer Center, Sun Yat-sen University, Guangzhou 510060, China.
| | - Xiao-Feng Zhu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Cancer Center, Sun Yat-sen University, Guangzhou 510060, China.
| | - Wen-Jian Lan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Hou-Jin Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China.
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19
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Hu QF, Wang WG, Liao LM, Li MY, Sun QY, Zhou M, Ye YQ, Chen YJ. Isobenzofuranone Derivatives from the Roots of Phlomis betonicoides and Their Bioactivity. HETEROCYCLES 2019. [DOI: 10.3987/com-19-14073] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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20
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Saetang P, Rukachaisirikul V, Phongpaichit S, Preedanon S, Sakayaroj J, Borwornpinyo S, Seemakhan S, Muanprasat C. Depsidones and an α-pyrone derivative from Simplicillium sp. PSU-H41, an endophytic fungus from Hevea brasiliensis leaf [corrected]. PHYTOCHEMISTRY 2017; 143:115-123. [PMID: 28803995 DOI: 10.1016/j.phytochem.2017.08.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 07/29/2017] [Accepted: 08/01/2017] [Indexed: 06/07/2023]
Abstract
Nine previously undescribed depsidones (simplicildones A-I) and one previously undescribed α-pyrone (simplicilopyrone) were isolated from the endophytic fungus Simplicillium sp. PSU-H41 along with 11 known compounds. Their structures were established by extensive spectroscopic analysis. Simplicildone A and known botryorhodine C displayed weak antibacterial against Staphylococcus aureus with equal MIC values of 32 μg/mL. Additionally, botryorhodine C was active against methicillin-resistant S. aureus with the same MIC value. Simplicildone C exhibited weak antifungal activity against Cryptococcus neoformans with an MIC value of 32 μg/mL. In addition, simplicildones A and C and botryorhodine C were noncytotoxic against noncancerous Vero cells.
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Affiliation(s)
- Praphatsorn Saetang
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Vatcharin Rukachaisirikul
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand.
| | - Souwalak Phongpaichit
- Natural Products Research Center of Excellence and Department of Microbiology, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Sita Preedanon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Klong Luang, Pathumthani 12120, Thailand
| | - Jariya Sakayaroj
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Klong Luang, Pathumthani 12120, Thailand
| | - Suparerk Borwornpinyo
- Department of Biotechnology, Faculty of Science, Mahidol University, Rajathevi, Bangkok 10400, Thailand
| | - Sawinee Seemakhan
- Excellent Center of Drug Discovery and Department of Physiology, Faculty of Science, Mahidol University, Rajathevi, Bangkok 10400, Thailand
| | - Chatchai Muanprasat
- Excellent Center of Drug Discovery and Department of Physiology, Faculty of Science, Mahidol University, Rajathevi, Bangkok 10400, Thailand
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21
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Two New Pyripyropenes from the Marine FungusFusarium lateritium2016F18-1. Chem Biodivers 2017; 14. [DOI: 10.1002/cbdv.201600298] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 10/28/2016] [Indexed: 01/11/2023]
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22
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Liu S, Wang H, Su M, Hwang GJ, Hong J, Jung JH. New metabolites from the sponge-derived fungus Aspergillus sydowii J05B-7F-4. Nat Prod Res 2017; 31:1682-1686. [PMID: 28278674 DOI: 10.1080/14786419.2017.1289205] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Two new metabolites, diorcinolic acid (1) and β-d-glucopyranosyl aspergillusene A (8), together with six diphenylethers (2-7), a diketopiperazine (9), a chromone (10) and a xanthone (11) were isolated from the fungus Aspergillus sydowii derived from the marine sponge Stelletta sp. The planar structures and their relative configurations were elucidated by analysing 1D, 2D NMR and HRESIMS data. Compound 8 is the first glycoside of phenolic bisabolane sesquiterpenes. Compounds 1 and 8 exhibited mild cytotoxicity against KB (human nasopharyngeal carcinoma cells), HepG2 (human liver cancer cells) and HCT 116 (human colon cancer cells). All compounds were evaluated for antibacterial activity and their abilities to suppress LPS-induced nitric oxide (NO) production. Compounds 2 and 4-7 showed mild antibacterial activity against human pathogen Staphylococcus aureus and fish pathogens Streptococcus iniae and Vibrio ichthyoenteri, and compounds 4 and 7 weakly suppressed NO production.
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Affiliation(s)
- Sen Liu
- a College of Pharmacy , Pusan National University , Busan , Republic of Korea
| | - Haibo Wang
- a College of Pharmacy , Pusan National University , Busan , Republic of Korea
| | - Mingzhi Su
- a College of Pharmacy , Pusan National University , Busan , Republic of Korea
| | - Gwi Ja Hwang
- a College of Pharmacy , Pusan National University , Busan , Republic of Korea
| | - Jongki Hong
- b College of Pharmacy , Kyung Hee University , Seoul , Republic of Korea
| | - Jee H Jung
- a College of Pharmacy , Pusan National University , Busan , Republic of Korea
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23
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NMR screening approach for discovery of new 6-methylpyridinone derivatives from the marine-derived fungus Leptosphaerulina sp. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2015.06.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Elnaggar MS, Ebrahim W, Mándi A, Kurtán T, Müller WEG, Kalscheuer R, Singab A, Lin W, Liu Z, Proksch P. Hydroquinone derivatives from the marine-derived fungus Gliomastix sp. RSC Adv 2017. [DOI: 10.1039/c7ra04941b] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel cytotoxic quinone/hydroquinone dimer from the marine-derived fungus Gliomastix sp.
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Affiliation(s)
- Mohamed S. Elnaggar
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich-Heine-Universität Düsseldorf
- 40225 Düsseldorf
- Germany
- Department of Pharmacognosy
| | - Weaam Ebrahim
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich-Heine-Universität Düsseldorf
- 40225 Düsseldorf
- Germany
- Department of Pharmacognosy
| | - Attila Mándi
- Department of Organic Chemistry
- University of Debrecen
- Debrecen 4032
- Hungary
| | - Tibor Kurtán
- Department of Organic Chemistry
- University of Debrecen
- Debrecen 4032
- Hungary
| | - Werner E. G. Müller
- Institute of Physiological Chemistry
- Universitätsmedizin der Johannes Gutenberg-Universität Mainz
- 55128 Mainz
- Germany
| | - Rainer Kalscheuer
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich-Heine-Universität Düsseldorf
- 40225 Düsseldorf
- Germany
| | - Abdelnasser Singab
- Department of Pharmacognosy
- Faculty of Pharmacy
- Ain-Shams University
- Cairo 11566
- Egypt
| | - Wenhan Lin
- State Key Laboratory of Natural and Biomimetic Drugs
- Peking University
- Beijing 100191
- P. R. China
| | - Zhen Liu
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich-Heine-Universität Düsseldorf
- 40225 Düsseldorf
- Germany
| | - Peter Proksch
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich-Heine-Universität Düsseldorf
- 40225 Düsseldorf
- Germany
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Phthalides: Distribution in Nature, Chemical Reactivity, Synthesis, and Biological Activity. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 104 2017; 104:127-246. [DOI: 10.1007/978-3-319-45618-8_2] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Klaiklay S, Rukachaisirikul V, Aungphao W, Phongpaichit S, Sakayaroj J. Depsidone and phthalide derivatives from the soil-derived fungus Aspergillus unguis PSU-RSPG199. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.08.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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27
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Potential Pharmacological Resources: Natural Bioactive Compounds from Marine-Derived Fungi. Mar Drugs 2016; 14:md14040076. [PMID: 27110799 PMCID: PMC4849080 DOI: 10.3390/md14040076] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 03/11/2016] [Accepted: 03/29/2016] [Indexed: 11/16/2022] Open
Abstract
In recent years, a considerable number of structurally unique metabolites with biological and pharmacological activities have been isolated from the marine-derived fungi, such as polyketides, alkaloids, peptides, lactones, terpenoids and steroids. Some of these compounds have anticancer, antibacterial, antifungal, antiviral, anti-inflammatory, antioxidant, antibiotic and cytotoxic properties. This review partially summarizes the new bioactive compounds from marine-derived fungi with classification according to the sources of fungi and their biological activities. Those fungi found from 2014 to the present are discussed.
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Abstract
This review covers the literature published in 2014 for marine natural products (MNPs), with 1116 citations (753 for the period January to December 2014) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1378 in 456 papers for 2014), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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29
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Five New Cytotoxic Metabolites from the Marine Fungus Neosartorya pseudofischeri. Mar Drugs 2016; 14:18. [PMID: 26771621 PMCID: PMC4728515 DOI: 10.3390/md14010018] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 12/21/2015] [Accepted: 12/30/2015] [Indexed: 11/24/2022] Open
Abstract
The marine fungus Neosartorya pseudofischeri was isolated from Acanthaster planci from the South China Sea. In a preliminary bioactivity screening, the crude methanol extract of the fungal mycelia showed significant inhibitory activity against the Sf9 cell line from the fall armyworm Spodoptera frugiperda. Five novel compounds, including 5-olefin phenylpyropene A (1), 13-dehydroxylpyripyropene A (4), deacetylsesquiterpene (7), 5-formyl-6-hydroxy-8-isopropyl-2- naphthoic acid (9) and 6,8-dihydroxy-3-((1E,3E)-penta-1,3-dien-1-yl)isochroman-1-one (10), together with eleven known compounds, phenylpyropene A (2) and C (3), pyripyropene A (5), 7-deacetylpyripyropene A (6), (1S,2R,4aR,5R,8R,8aR)-1,8a-dihydroxy-2-acetoxy-3,8-dimethyl-5- (prop-1-en-2-yl)-1,2,4a, 5,6,7,8,8a-octahydronaphthalene (8), isochaetominine C (11), trichodermamide A (12), indolyl-3-acetic acid methyl ester (13), 1-acetyl-β-carboline (14), 1,2,3,4-tetrahydro-6-hydroxyl-2-methyl-l,3,4-trioxopyrazino[l,2-a]-indole (15) and fumiquinazoline F (16), were obtained. The structures of these compounds were determined mainly by MS and NMR data. The absolute configuration of 9 was assigned by the single-crystal X-ray diffraction studies. Compounds 1–11 and 15 showed significant cytotoxicity against the Sf9 cells from S. frugiperda.
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30
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Song QY, Nan ZB, Gao K, Song H, Tian P, Zhang XX, Li CJ, Xu WB, Li XZ. Antifungal, Phytotoxic, and Cytotoxic Activities of Metabolites from Epichloë bromicola, a Fungus Obtained from Elymus tangutorum Grass. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:8787-8792. [PMID: 26395226 DOI: 10.1021/acs.jafc.5b04260] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The development of high-quality herbage is an important aspect of animal husbandry. Inoculating beneficial fungi onto inferior grass is a feasible strategy for producing new varieties of high-quality herbage. Epichloë bromicola is a candidate fungus that is isolated from Elymus tangutorum. A total of 17 metabolites, 1-17, were obtained from E. bromicola, and their biological activities were assayed. Metabolite 1 exhibited antifungal activities against Alternaria alternata, Fusarium avenaceum, Bipolaris sorokiniana, and Curvularia lunata. EC50 values ranged from 0.7 to 5.3 μM, which were better than the positive control, chlorothalonil. Metabolite 8 displayed obvious phytotoxic effects toward Lolium perenne and Poa crymophila seedlings, and it was as active as glyphosate. None of these isolated metabolites displayed cytotoxicity against Madin-Darby bovine kidney cells. The IC50 values were greater than 100 μM, and the metabolites increased the growth of the cells at a concentration of 12.5 μM. The bioassay indicated that E. bromicola may be a beneficial fungus for producing new varieties of herbage with various resistances. Additionally, metabolite 7, 3-(2'-(4″-hydroxyphenyl)acetoxy)-2S-methylpropanoic acid, is a new natural product, and its stereochemistry was determined by means of optical rotation computation and chemical reactions.
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Affiliation(s)
- Qiu-Yan Song
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
| | - Zhi-Biao Nan
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
| | - Kun Gao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou, Gansu 730000, People's Republic of China
| | - Hui Song
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
| | - Pei Tian
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
| | - Xing-Xu Zhang
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
| | - Chun-Jie Li
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
| | - Wen-Bo Xu
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
| | - Xiu-Zhang Li
- State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University , Lanzhou, Gansu 730020, People's Republic of China
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Chen J, Wang C, Lan W, Huang C, Lin M, Wang Z, Liang W, Iwamoto A, Yang X, Liu H. Gliotoxin Inhibits Proliferation and Induces Apoptosis in Colorectal Cancer Cells. Mar Drugs 2015; 13:6259-73. [PMID: 26445050 PMCID: PMC4626688 DOI: 10.3390/md13106259] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Revised: 08/27/2015] [Accepted: 09/24/2015] [Indexed: 12/29/2022] Open
Abstract
The discovery of new bioactive compounds from marine natural sources is very important in pharmacological research. Here we developed a Wnt responsive luciferase reporter assay to screen small molecule inhibitors of cancer associated constitutive Wnt signaling pathway. We identified that gliotoxin (GTX) and some of its analogues, the secondary metabolites from marine fungus Neosartorya pseufofischeri, acted as inhibitors of the Wnt signaling pathway. In addition, we found that GTX downregulated the β-catenin levels in colorectal cancer cells with inactivating mutations of adenomatous polyposis coli (APC) or activating mutations of β-catenin. Furthermore, we demonstrated that GTX induced growth inhibition and apoptosis in multiple colorectal cancer cell lines with mutations of the Wnt signaling pathway. Together, we illustrated a practical approach to identify small-molecule inhibitors of the Wnt signaling pathway and our study indicated that GTX has therapeutic potential for the prevention or treatment of Wnt dependent cancers and other Wnt related diseases.
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Affiliation(s)
- Junxiong Chen
- Guangdong Institute of Gastroenterology and the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
| | - Chenliang Wang
- Guangdong Institute of Gastroenterology and the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Institute of Human Virology and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, Guangdong, China.
| | - Wenjian Lan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, Guangdong, China.
| | - Chunying Huang
- Guangdong Institute of Gastroenterology and the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
| | - Mengmeng Lin
- Guangdong Institute of Gastroenterology and the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
| | - Zhongyang Wang
- Guangdong Institute of Gastroenterology and the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
| | - Wanling Liang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, Guangdong, China.
| | - Aikichi Iwamoto
- Advanced Clinical Research Center, Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan.
| | - Xiangling Yang
- Guangdong Institute of Gastroenterology and the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
| | - Huanliang Liu
- Guangdong Institute of Gastroenterology and the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Sun Yat-sen University, Guangzhou 510655, Guangdong, China.
- Institute of Human Virology and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, Guangdong, China.
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Egami H, Asada J, Sato K, Hashizume D, Kawato Y, Hamashima Y. Asymmetric Fluorolactonization with a Bifunctional Hydroxyl Carboxylate Catalyst. J Am Chem Soc 2015; 137:10132-5. [DOI: 10.1021/jacs.5b06546] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hiromichi Egami
- School
of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Junshi Asada
- School
of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Kentaro Sato
- School
of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Daisuke Hashizume
- Materials
Characterization Support Unit, RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yuji Kawato
- School
of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yoshitaka Hamashima
- School
of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
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Farooqi AA, Attar R, Gasparri ML. Drugs from marine sources: modulation of TRAIL induced apoptosis in cancer cells. Asian Pac J Cancer Prev 2015; 15:9045-7. [PMID: 25374250 DOI: 10.7314/apjcp.2014.15.20.9045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
There have been overwhelming advances in molecular oncology and data obtained through high-throughput technologies have started to shed light on wide ranging molecular mechanisms that underpin cancer progression. Increasingly it is being realized that marine micro-organisms and the biodiversity of plankton are rich sources of various anticancer compounds. Marine derived compounds play major roles in inducing apoptosis in cancer cells. More importantly, various agents have been noted to enhance TRAIL induced apoptosis in cancer cells by functionalizing intrinsic and extrinsic pathways. In this commentary, a list of marine derived compounds reported to induce apoptosis is discussed.
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Affiliation(s)
- Ammad Ahmad Farooqi
- Laboratory for Translational Oncology and Personalized Medicine, Rashid Latif Medical College, Lahore, Pakistan E-mail :
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Yan DF, Lan WJ, Wang KT, Huang L, Jiang CW, Li HJ. Two Chlorinated Benzofuran Derivatives from the Marine Fungus Pseudallescheria boydii. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501000421] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The marine fungus Pseudallescheria boydii was isolated from the inner tissue of the starfish Acanthaster planci. This fungus was cultured in a high salinity glucose-peptone-yeast extract (GPY) medium. Two new chlorinated benzofuran derivatives, 6-chloro-2-(2-hydroxypropan-2-yl)–2,3-dihydro-5-hydroxybenzofuran (1) and 7-chloro-2-(2-hydroxypropan-2-yl)–2,3-dihydro-5-hydroxybenzofuran (2), were obtained from the extract of the culture broth. Their structures were determined by analysis of the NMR and MS data.
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Affiliation(s)
- Dan-Feng Yan
- Institute of Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning 530200, P.R. China
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Wen-Jian Lan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
- Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou 510006, P. R. China
| | - Kun-Teng Wang
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Lei Huang
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Cai-Wu Jiang
- Institute of Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning 530200, P.R. China
| | - Hou-Jin Li
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
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35
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Liang WL, Le X, Li HJ, Yang XL, Chen JX, Xu J, Liu HL, Wang LY, Wang KT, Hu KC, Yang DP, Lan WJ. Exploring the chemodiversity and biological activities of the secondary metabolites from the marine fungus Neosartorya pseudofischeri. Mar Drugs 2014; 12:5657-76. [PMID: 25421322 PMCID: PMC4245550 DOI: 10.3390/md12115657] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Revised: 11/12/2014] [Accepted: 11/17/2014] [Indexed: 12/18/2022] Open
Abstract
The production of fungal metabolites can be remarkably influenced by various cultivation parameters. To explore the biosynthetic potentials of the marine fungus, Neosartorya pseudofischeri, which was isolated from the inner tissue of starfish Acanthaster planci, glycerol-peptone-yeast extract (GlyPY) and glucose-peptone-yeast extract (GluPY) media were used to culture this fungus. When cultured in GlyPY medium, this fungus produced two novel diketopiperazines, neosartins A and B (1 and 2), together with six biogenetically-related known diketopiperazines,1,2,3,4-tetrahydro-2,3-dimethyl-1,4-dioxopyrazino[1,2-a]indole (3), 1,2,3,4-tetrahydro-2-methyl-3-methylene-1,4-dioxopyrazino[1,2-a]indole (4), 1,2,3,4-tetrahydro-2-methyl-1,3,4-trioxopyrazino[1,2-a] indole (5), 6-acetylbis(methylthio)gliotoxin (10), bisdethiobis(methylthio)gliotoxin (11), didehydrobisdethiobis(methylthio)gliotoxin (12) and N-methyl-1H-indole-2-carboxamide (6). However, a novel tetracyclic-fused alkaloid, neosartin C (14), a meroterpenoid, pyripyropene A (15), gliotoxin (7) and five known gliotoxin analogues, acetylgliotoxin (8), reduced gliotoxin (9), 6-acetylbis(methylthio)gliotoxin (10), bisdethiobis(methylthio) gliotoxin (11) and bis-N-norgliovictin (13), were obtained when grown in glucose-containing medium (GluPY medium). This is the first report of compounds 3, 4, 6, 9, 10 and 12 as naturally occurring. Their structures were determined mainly by MS, 1D and 2D NMR data. The possible biosynthetic pathways of gliotoxin-related analogues and neosartin C were proposed. The antibacterial activity of compounds 2–14 and the cytotoxic activity of compounds 4, 5 and 7–13 were evaluated. Their structure-activity relationships are also preliminarily discussed.
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Affiliation(s)
- Wan-Ling Liang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Xiu Le
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Hou-Jin Li
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China.
| | - Xiang-Ling Yang
- Guangdong Institute of Gastroenterology, Guangzhou 510655, China.
| | - Jun-Xiong Chen
- Guangdong Institute of Gastroenterology, Guangzhou 510655, China.
| | - Jun Xu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Huan-Liang Liu
- Guangdong Institute of Gastroenterology, Guangzhou 510655, China.
| | - Lai-You Wang
- Institute of Chinese Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Kun-Teng Wang
- Institute of Chinese Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Kun-Chao Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - De-Po Yang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Wen-Jian Lan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
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