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Ricca M, Rizzacasa MA. Chemistry and biology of spiroacetals from myxobacteria. Org Biomol Chem 2021; 19:2871-2890. [PMID: 33683270 DOI: 10.1039/d1ob00026h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review details the isolation, biosynthesis, biological activity and synthesis of spiroacetals from the myxobacterium Sorangium cellulosum. The strategies utilised to access the challenging structures and stereochemistry of these natural products are highlighted.
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Affiliation(s)
- Michael Ricca
- School of Chemistry, The Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Victoria 3010, Australia.
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Hou X, Du H, Yang R, Qi J, Huang Y, Feng S, Wu Y, Lin S, Liu Z, Jia AQ, Yuan S, Sun L. The antitumor activity screening of chemical constituents from Camellia nitidissima Chi. Int J Mol Med 2018; 41:2793-2801. [PMID: 29484370 PMCID: PMC5846669 DOI: 10.3892/ijmm.2018.3502] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 02/07/2018] [Indexed: 12/29/2022] Open
Abstract
Chemotherapy is the preferred and most common treatment for cancer in clinical practice. An increasing number of researchers all over the world are focusing on natural medicines to find new antitumor drugs, and several reports have shown that Camellia nitidissima (C. nitidissima) Chi could reduce blood-lipid, decrease blood pressure, resist oxidation, prevent carcinogenesis and inhibit tumors. Therefore, the pharmacodynamics of the chemical constituents in C. nitidissima need to be investigated further. In the present study, 16 chemical constituents were isolated from the leaves of C. nitidissima, of which 6 compounds are reported to be found in this plant for the first time. Furthermore, all these phytochemicals were screened for antitumor activity on 4 common cancer cell lines, while compound 3, one oleanane-type triterpene, exhibited the most potential antitumor effects. Interestingly, to our knowledge, this was the first report that compound 3 inhibits cancer cells. Compound 3 inhibited EGFR-mutant lung cancer cell line, NCI-H1975 via apoptosis effect, with an IC50 of 13.37±2.05 µM at 48 h. Based on the data, compound 3 showed potential for antitumor drug development, suggesting the scientific basis for the antitumor activity of C. nitidissima.
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Affiliation(s)
- Xiaoying Hou
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, Jiangsu 210009
| | - Hongzhi Du
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, Jiangsu 210009
| | - Rui Yang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094
| | - Jing Qi
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094
| | - Yue Huang
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, Jiangsu 210009
| | - Shuyun Feng
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, Jiangsu 210009
| | - Yao Wu
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, Jiangsu 210009
| | - Sensen Lin
- Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, Jiangsu 210009
| | - Zhixin Liu
- Guangxi Gui RenTang Co., Ltd., Fangchenggang 538021, P.R. China
| | - Ai-Qun Jia
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094
| | - Shengtao Yuan
- Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, Jiangsu 210009
| | - Li Sun
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, Jiangsu 210009
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Zhang FM, Zhang SY, Tu YQ. Recent progress in the isolation, bioactivity, biosynthesis, and total synthesis of natural spiroketals. Nat Prod Rep 2018; 35:75-104. [DOI: 10.1039/c7np00043j] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The isolation, bioactivity, biosynthesis, and total synthesis of natural spiroketals from 2011 to July 2017 have been summarized in this review.
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Affiliation(s)
- Fu-Min Zhang
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Shu-Yu Zhang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Yong-Qiang Tu
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
- School of Chemistry and Chemical Engineering
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Nong XH, Wei XY, Qi SH. Pteridic acids C–G spirocyclic polyketides from the marine-derived Streptomyces sp. SCSGAA 0027. J Antibiot (Tokyo) 2017; 70:1047-1052. [DOI: 10.1038/ja.2017.105] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 08/02/2017] [Accepted: 08/06/2017] [Indexed: 11/09/2022]
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