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Progress in the Chemistry of Cytochalasans. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2021; 114:1-134. [PMID: 33792860 DOI: 10.1007/978-3-030-59444-2_1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cytochalasans are a group of fungal-derived natural products characterized by a perhydro-isoindolone core fused with a macrocyclic ring, and they exhibit a high structural diversity and a broad spectrum of bioactivities. Cytochalasans have attracted significant attention from the chemical and pharmacological communities and have been reviewed previously from various perspectives in recent years. However, continued interest in the cytochalasans and the number of laboratory investigations on these compounds are both growing rapidly. This contribution provides a general overview of the isolation, structural determination, biological activities, biosynthesis, and total synthesis of cytochalasans. In total, 477 cytochalasans are covered, including "merocytochalasans" that arise by the dimerization or polymerization of one or more cytochalasan molecules with one or more other natural product units. This contribution provides a comprehensive treatment of the cytochalasans, and it is hoped that it may stimulate further work on these interesting natural products.
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Kang HH, Zhong MJ, Ma LY, Rong XG, Liu DS, Liu WZ. Iizukines C−E from a saline soil fungus Aspergillus iizukae. Bioorg Chem 2019; 91:103167. [DOI: 10.1016/j.bioorg.2019.103167] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/11/2019] [Accepted: 07/29/2019] [Indexed: 12/31/2022]
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Munakata C, Fuchigami Y, Makizoe T, Miura Y, Yamaoka M, Sasahara S, Hata K, Tachiki H, Sasaki H, Hagimori M, Kawakami S. [Effect of pH and Additives on the Compatibility between Vancomycin and Furosemide Injections]. YAKUGAKU ZASSHI 2018; 138:853-860. [PMID: 29863057 DOI: 10.1248/yakushi.18-00004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The physicochemical compatibility between injections of different agents is very important. An injection of the antibiotic vancomycin (VCM) is acidic and its standard pH range is 2.5-4.5. In clinical treatments, VCM injections are often used with Lasix® (furosemide) injections. The Lasix® injection is alkaline and its standard pH range is 8.6-9.6. Therefore, mixing VCM injections with Lasix® injections may cause compatibility problems. We evaluated the effect of pH on the compatibility between VCM (original and two generic) and Lasix® injections. Compatibility was not observed in non-pH-adjusted VCM with Lasix® injections, but white crystals appeared when VCM injections adjusted to pH 2.5 experimentally were mixed with a Lasix® injection, suggesting that the acidic condition of VCM injections cause compatibility. However, the residual rates of VCM did not change after 24 h in all mixtures. We analyzed the crystals by mass spectrometry and 1H-NMR, and identified them to comprise furosemide.
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Affiliation(s)
- Chie Munakata
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences, Nagasaki University.,Department of Hospital Pharmacy, Nagasaki University Hospital
| | - Yuki Fuchigami
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences, Nagasaki University
| | - Takayuki Makizoe
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences, Nagasaki University
| | - Yusuke Miura
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences, Nagasaki University
| | - Mariko Yamaoka
- Scientific Research and Business Development Department, Towa Pharmaceutical Co., Ltd
| | - Satomi Sasahara
- Scientific Research and Business Development Department, Towa Pharmaceutical Co., Ltd
| | - Katsutomo Hata
- Research & Development Division, Towa Pharmaceutical Co., Ltd
| | - Hidehisa Tachiki
- Scientific Research and Business Development Department, Towa Pharmaceutical Co., Ltd
| | - Hitoshi Sasaki
- Department of Hospital Pharmacy, Nagasaki University Hospital
| | - Masayori Hagimori
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences, Nagasaki University
| | - Shigeru Kawakami
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences, Nagasaki University
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Investigation of the Anti-Prostate Cancer Properties of Marine-Derived Compounds. Mar Drugs 2018; 16:md16050160. [PMID: 29757237 PMCID: PMC5983291 DOI: 10.3390/md16050160] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 04/30/2018] [Accepted: 05/09/2018] [Indexed: 12/14/2022] Open
Abstract
This review focuses on marine compounds with anti-prostate cancer properties. Marine species are unique and have great potential for the discovery of anticancer drugs. Marine sources are taxonomically diverse and include bacteria, cyanobacteria, fungi, algae, and mangroves. Marine-derived compounds, including nucleotides, amides, quinones, polyethers, and peptides are biologically active compounds isolated from marine organisms such as sponges, ascidians, gorgonians, soft corals, and bryozoans, including those mentioned above. Several compound classes such as macrolides and alkaloids include drugs with anti-cancer mechanisms, such as antioxidants, anti-angiogenics, antiproliferatives, and apoptosis-inducing drugs. Despite the diversity of marine species, most marine-derived bioactive compounds have not yet been evaluated. Our objective is to explore marine compounds to identify new treatment strategies for prostate cancer. This review discusses chemically and pharmacologically diverse marine natural compounds and their sources in the context of prostate cancer drug treatment.
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Qi S, Wang Y, Zheng Z, Xu Q, Deng X. Cytochalasans and Sesquiterpenes from Eutypella scoparia 1–15. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501001203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Three new compounds, an open-chain cytochalasan scoparasin C (1), a pyrichalasan scoparasin D (2), and a β-eudesmol type sesquiterpene scopararane C (5), along with three known compounds (3, 4 and 6), were isolated from the marine fungus Eutypella scoparia 1–15. Their structures were determined on the basis of comprehensive NMR and MS analysis. Compound 2 exhibited potent cytotoxicities with very low IC50 values against several cancer cell lines, including A375, A549, HepG2 and MCF-7.
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Affiliation(s)
- Shuang Qi
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Yue Wang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Zhonghui Zheng
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Qingyan Xu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
| | - Xianming Deng
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
- State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, Fujian, 361102, China
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Kajihara T, Nakamura S, Iwanaga N, Oshima K, Takazono T, Miyazaki T, Izumikawa K, Yanagihara K, Kohno N, Kohno S. Clinical characteristics and risk factors of enterococcal infections in Nagasaki, Japan: a retrospective study. BMC Infect Dis 2015; 15:426. [PMID: 26471715 PMCID: PMC4608130 DOI: 10.1186/s12879-015-1175-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Accepted: 10/05/2015] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Enterococcus spp. are particularly important etiological agents of nosocomial infections. However, the clinical characteristics of and risk factors for enterococcal infections in clinical settings are poorly understood. METHODS The sample included patients with Enterococcus spp. infections detected from clinical samples at Nagasaki University Hospital between 2010 and 2011 and patients with enterococcal colonization (control patients). In this retrospective study, the risk factors for enterococcal infections were analyzed by comparing infected and control patients via multivariate logistic regression. RESULTS A total of 182 infected (mean age, 64.6 ± 18.2 years; 114 men) and 358 control patients (patients with enterococcal colonization) (mean age, 61.6 ± 22.4 years; 183 men) were included. Enterococcal infections were classified as intraperitoneal (n = 87), urinary tract (n = 28), or bloodstream (n = 20) infections. Cancer and hematological malignancies were the most common comorbidities in enterococcal infections. Carbapenem and vancomycin were administered to 43.8 % and 57.9 % of patients infected with Enterococcus faecalis and Enterococcus faecium, respectively. No vancomycin-resistant enterococci were isolated. Multivariate analysis identified abdominal surgery (odds ratio [OR], 2.233; 95 % confidence interval [CI], 1.529-3.261; p ≤ 0.001), structural abnormalities of the urinary tract (OR, 2.086; 95 % CI, 1.088-4.000; p = 0.027), male sex (OR, 1.504; 95 % CI, 1.032-2.190; p = 0.033), and hypoalbuminemia (OR, 0.731; 95 % CI, 0.555-0.963; p = 0.026) as independent risk factors for enterococcal infections. Multivariate analysis showed abdominal surgery (OR, 2.263; 95 % CI, 1.464-3.498; p ≤ 0.001), structural abnormalities of the urinary tract (OR, 2.634; 95 % CI, 1.194-5.362; p = 0.008), and hypoalbuminemia (OR, 0.668; 95 % CI, 0.490-0.911; p = 0.011) were independent risk factors for E. faecalis infection. Finally, immunosuppressive agent use (OR, 3.837; 95 % CI, 1.397-10.541; p = 0.009) and in situ device use (OR, 3.807; 95 % CI, 1.180-12.276; p = 0.025) were independent risk factors for E. faecium infection. CONCLUSIONS These findings might inform early initiation of antimicrobial agents to improve clinical success.
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Affiliation(s)
- Toshiki Kajihara
- Department of Respiratory Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan. .,Department of Molecular and Internal Medicine, Hiroshima University, Graduate School of Biomedical Sciences, Hiroshima, Japan.
| | - Shigeki Nakamura
- Department of Respiratory Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan. .,Department of Chemotherapy and Mycoses, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo, 162-8640, Japan.
| | - Naoki Iwanaga
- Department of Respiratory Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
| | - Kazuhiro Oshima
- Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
| | - Takahiro Takazono
- Department of Respiratory Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
| | - Taiga Miyazaki
- Department of Respiratory Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
| | - Koichi Izumikawa
- Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
| | - Katsunori Yanagihara
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki, Japan.
| | - Nobuoki Kohno
- Department of Molecular and Internal Medicine, Hiroshima University, Graduate School of Biomedical Sciences, Hiroshima, Japan.
| | - Shigeru Kohno
- Department of Respiratory Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
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Liu Y, Zhao S, Ding W, Wang P, Yang X, Xu J. Methylthio-Aspochalasins from a Marine-Derived Fungus Aspergillus sp. Mar Drugs 2014; 12:5124-31. [PMID: 25272329 PMCID: PMC4210888 DOI: 10.3390/md12105124] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 09/20/2014] [Accepted: 09/22/2014] [Indexed: 11/26/2022] Open
Abstract
Two novel aspochalasins, 20-β-methylthio-aspochalsin Q (named as aspochalasin V), (1) and aspochalasin W (2), were isolated from culture broth of Aspergillus sp., which was found in the gut of a marine isopod Ligia oceanica. The structures were determined on the basis of NMR and mass spectral data analysis. This is the first report about methylthio-substituted aspochalasin derivatives. Cytotoxicity against the prostate cancer PC3 cell line and HCT116 cell line was assayed using the MTT method. Apochalasin V showed moderate activity at IC50 values of 30.4 and 39.2 μM, respectively.
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Affiliation(s)
- Ying Liu
- Institute of Marine Biology, Ocean College, Zhejiang University, Hangzhou 310058, China.
| | - Shizhe Zhao
- Institute of Marine Biology, Ocean College, Zhejiang University, Hangzhou 310058, China.
| | - Wanjing Ding
- Institute of Marine Biology, Ocean College, Zhejiang University, Hangzhou 310058, China.
| | - Pinmei Wang
- Institute of Marine Biology, Ocean College, Zhejiang University, Hangzhou 310058, China.
| | - Xianwen Yang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.
| | - Jinzhong Xu
- Institute of Marine Biology, Ocean College, Zhejiang University, Hangzhou 310058, China.
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Isolation, structural analyses and biological activity assays against chronic lymphocytic leukemia of two novel cytochalasins - sclerotionigrin A and B. Molecules 2014; 19:9786-97. [PMID: 25006786 PMCID: PMC6271702 DOI: 10.3390/molecules19079786] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 06/24/2014] [Accepted: 07/02/2014] [Indexed: 12/23/2022] Open
Abstract
Two new cytochalasins, sclerotionigrin A (1) and B (2) were isolated together with the known proxiphomin (3) from the filamentous fungus Aspergillus sclerotioniger. The structures and relative stereochemistry of 1 and 2 were determined based on comparison with 3, and from extensive 1D and 2D NMR spectroscopic analysis, supported by high resolution mass spectrometry (HRMS). Compounds 2 and 3 displayed cytotoxic activity towards chronic lymphocytic leukemia cells in vitro, with 3 being the most active.
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