1
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Shen S, Tong Y, Luo Y, Huang L, Gao W. Biosynthesis, total synthesis, and pharmacological activities of aryltetralin-type lignan podophyllotoxin and its derivatives. Nat Prod Rep 2022; 39:1856-1875. [PMID: 35913409 DOI: 10.1039/d2np00028h] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Covering: up to 2022Podophyllotoxin (PTOX, 1), a kind of aryltetralin-type lignan, was first discovered in the plant Podophyllum peltatum and its structure was clarified by W. Borsche and J. Niemann in 1932. Due to its potent anti-cancer and anti-viral activities, it is considered one of the molecules most likely to be developed into modern drugs. With the increasing market demand and insufficient storage of natural resources, it is crucial to expand the sources of PTOXs. The original extraction method from plants has gradually failed to meet the requirements, and the biosynthesis and total synthesis have become the forward-looking alternatives. As key enzymes in the biosynthetic pathway of PTOXs and their catalytic mechanisms being constantly revealed, it is possible to realize the heterogeneous biosynthesis of PTOXs in the future. Chemical and chemoenzymatic synthesis also provide schemes for strictly controlling the asymmetric configuration of the tetracyclic core. Currently, the pharmacological activities of some PTOX derivatives have been extensively studied, laying the foundation for clinical candidate drugs. This review focuses primarily on the latest research progress in the biosynthesis, total synthesis, and pharmacological activities of PTOX and its derivatives, providing a more comprehensive understanding of these widely used compounds and supporting the future search for clinical applications.
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Affiliation(s)
- Siyu Shen
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China. .,Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Yuru Tong
- School of Pharmaceutical Sciences, Capital Medical University, Beijing, 100069, China
| | - Yunfeng Luo
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
| | - Luqi Huang
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Wei Gao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China. .,Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
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2
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Zi CT, Wang ZH, Shi J, Shi BY, Zhang N, Wu YL, Xie YR, Zhou L, Xiao C, Wang XJ, Sheng J. Synthesis, cytotoxicity, and molecular docking of methylated (–)-epigallocatechin-3-gallate-4β-triazolopodophyllotoxin derivatives as novel antitumor agents. JOURNAL OF CHEMICAL RESEARCH 2021. [DOI: 10.1177/17475198211027328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A series of novel methylated (–)-epigallocatechin-3-gallate-4β-triazolopodophyllotoxin derivatives is synthesized by utilizing the click reaction. Evaluation of their cytotoxicity against a panel of five human cancer cell lines (HL-60, SMMC-7721, A-549, MCF-7, and SW480) using the MTT assay shows that most of these compounds exhibit weak cytotoxicity. It is observed that compound 12 shows the highest activity against A-549 cells with an IC50 value of 10.27 ± 0.90 μM. Molecular docking results suggested that this compound 12 has a higher binding affinity for epidermal growth factor receptor than for tubulin. Our findings support the utility of compound 12 as a novel compound for the further development of anticancer agents.
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Affiliation(s)
- Cheng-Ting Zi
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
| | - Ze-Hao Wang
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, P.R. China
| | - Jing Shi
- Key Laboratory of the Ministry of Education for Agro-Biodiversity and Pest Management, Yunnan Agricultural University, Kunming, P.R. China
| | - Bo-Ya Shi
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, P.R. China
| | - Ning Zhang
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, P.R. China
| | - Yi-Long Wu
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, P.R. China
| | - Yin-Rong Xie
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, P.R. China
| | - Lu Zhou
- Yunnan Plateatu Characteristic Agricultural Industry Research Institute, Yunnan Agricultural University, Kunming, P.R. China
| | - Chun Xiao
- Key Laboratory of the Ministry of Education for Agro-Biodiversity and Pest Management, Yunnan Agricultural University, Kunming, P.R. China
| | - Xuan-Jun Wang
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
| | - Jun Sheng
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, P.R. China
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3
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Duan M, Mahal A, Mohammed B, Zhu Y, Tao H, Mai S, Al-Haideri M, Zhu Q. Synthesis and antitumor activity of new tetrahydrocurcumin derivatives via click reaction. Nat Prod Res 2021; 36:5268-5276. [PMID: 34030539 DOI: 10.1080/14786419.2021.1931181] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Three new derivatives of tetrahydrocurcumin 6, 7 and 9 have been prepared as potent antitumor agents using copper(II)-catalyzed 'click chemistry'. Their structures were identified using 1H-NMR, 13C-NMR and HRMS techniques. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay has been carried out to investigate the in vitro cytotoxicity against human cervical carcinoma (HeLa), human lung adenocarcinoma (A549), human hepatoma carcinoma (HepG2) and human colon carcinoma (HCT-116). Compound 6 has showed significant inhibitory activity against HCT-116 cell line with an IC50 value of 17.86 μM compared to tetrahydrocurcumin (50.96 μM) and positive control etoposide (19.48 μM) while showed no inhibitory activity against NCM460 cell line. Compounds 7 showed moderate inhibitory activity compared to tetrahydrocurcumin and etoposide while compound 9 showed no obvious inhibitory activity. The results suggested further structure modifications of tetrahydrocurcumin to improve its anticancer activity.
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Affiliation(s)
- Meitao Duan
- College of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Guangzhou, People's Republic of China
| | - Ahmed Mahal
- Department of Medical Biochemical Analysis, College of Health Technology, Cihan University-Erbil, Erbil, Iraq.,Key Laboratory of Plant Resources Conservation and Sustainable Utilization and Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, People's Republic of China.,Guangzhou HC Pharmaceutical Co., Ltd, Guangzhou, People's Republic of China
| | - Ban Mohammed
- Department of Medical Biochemical Analysis, College of Health Technology, Cihan University-Erbil, Erbil, Iraq.,Environmental Health and Science Department, College of Science, University of Salahaddin, Erbil, Iraq
| | - Yongyan Zhu
- College of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Guangzhou, People's Republic of China
| | - Huaming Tao
- College of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Guangzhou, People's Republic of China
| | - Shaoyu Mai
- College of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Guangzhou, People's Republic of China
| | - Maysoon Al-Haideri
- Department of Medical Biochemical Analysis, College of Health Technology, Cihan University-Erbil, Erbil, Iraq
| | - Quanhong Zhu
- College of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Guangzhou, People's Republic of China
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4
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Kim E, Kim HJ, Cho S, Shim J, Yoon G. Isolation, Semisynthesis, and Molecular Modeling of Deoxypodophyllotoxin Analogs for an Anti‐oral Cancer Agent. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.11979] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Eunae Kim
- College of PharmacyChosun University Kwangju 61452 Republic of Korea
| | - Hyun Jung Kim
- College of PharmacyMokpo National University Muan 58554 South Korea
| | - Seung‐Sik Cho
- College of PharmacyMokpo National University Muan 58554 South Korea
| | - Jung‐Hyun Shim
- College of PharmacyMokpo National University Muan 58554 South Korea
| | - Goo Yoon
- College of PharmacyMokpo National University Muan 58554 South Korea
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5
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Zi CT, Gao YS, Yang L, Feng SY, Huang Y, Sun L, Jin Y, Xu FQ, Dong FW, Li Y, Ding ZT, Zhou J, Jiang ZH, Yuan ST, Hu JM. Design, Synthesis, and Biological Evaluation of Novel Biotinylated Podophyllotoxin Derivatives as Potential Antitumor Agents. Front Chem 2019; 7:434. [PMID: 31281809 PMCID: PMC6596340 DOI: 10.3389/fchem.2019.00434] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 05/28/2019] [Indexed: 11/24/2022] Open
Abstract
Podophyllotoxin has long been used as an active substance for cytotoxic activity. Fourteen novel biotinylated podophyllotoxin derivatives were designed, synthesized, and evaluated for cytotoxic activity for this study. The synthesized compounds were evaluated for cytotoxic activity in the following human cancer cell lines, SW480, MCF-7, A-549, SMMC-7721, and HL-60 by MTT assay. Most of them exhibited potent cytotoxic effects and compound 15 showed the highest cytotoxic activity among the five cancer cell lines tested, having its IC50 values in the range of 0.13 to 0.84 μM. Apoptosis analysis revealed that compound 15 caused obvious induction of cell apoptosis. Compound 15 significantly down-regulated the expression level of the marker proteins (caspase-3 and PARP) in H1299 and H1975 cells, activated the transcription of IRE1α, increased the expression of GRP78 and XBP-1s, and finally induced apoptosis of H1299 cells. In vivo studies showed that 15 at a dose of 20 mg/kg suppressed tumor growth of S180 cell xenografts in icr mice significantly. Further molecular docking studies suggested that compound 15 could bind well with the ATPase domain of Topoisomerase-II. These data suggest that compound 15 is a promising agent for cancer therapy deserving further research.
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Affiliation(s)
- Cheng-Ting Zi
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Key Laboratory of Pu-er Tea Science, College of Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Chemistry for Nature Resource, School of Chemical Science and Technology, Ministry of Education, Yunnan University, Kunming, China
| | - Ying-Sheng Gao
- Jiangsu Key Laboratory of Drug Screening and Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Liu Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Shu-Yun Feng
- Jiangsu Key Laboratory of Drug Screening and Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Yue Huang
- Jiangsu Key Laboratory of Drug Screening and Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Li Sun
- Jiangsu Key Laboratory of Drug Screening and Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Yi Jin
- Key Laboratory of Medicinal Chemistry for Nature Resource, School of Chemical Science and Technology, Ministry of Education, Yunnan University, Kunming, China
| | - Feng-Qing Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Fa-Wu Dong
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Yan Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Zhong-Tao Ding
- Key Laboratory of Medicinal Chemistry for Nature Resource, School of Chemical Science and Technology, Ministry of Education, Yunnan University, Kunming, China
| | - Jun Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Zi-Hua Jiang
- Department of Chemistry, Lakehead University, Thunder Bay, ON, Canada
| | - Sheng-Tao Yuan
- Jiangsu Key Laboratory of Drug Screening and Jiangsu Center for Pharmacodynamics Research and Evaluation, China Pharmaceutical University, Nanjing, China
| | - Jiang-Miao Hu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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6
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Zi CT, Yang L, Dong FW, Kong QH, Ding ZT, Zhou J, Jiang ZH, Hu JM. Synthesis and antitumor activity of camptothecin- 4β-triazolopodophyllotoxin conjugates. Nat Prod Res 2019; 34:2301-2309. [PMID: 30636439 DOI: 10.1080/14786419.2018.1538223] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Cheng-Ting Zi
- Key Laboratory of Pu-er Tea Science, Ministry of Education, College of Science, Yunnan Agricultural University, Kunming, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, China
| | - Liu Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Fa-Wu Dong
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Qing-Hua Kong
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Zhong-Tao Ding
- Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, China
| | - Jun Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Zi-Hua Jiang
- Department of Chemistry, Lakehead University, Thunder Bay, ON, Canada
| | - Jiang-Miao Hu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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7
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Vishnuvardhan MVPS, V SR, Chandrasekhar K, Lakshma Nayak V, Sayeed IB, Alarifi A, Kamal A. Click chemistry-assisted synthesis of triazolo linked podophyllotoxin conjugates as tubulin polymerization inhibitors. MEDCHEMCOMM 2017; 8:1817-1823. [PMID: 30108892 PMCID: PMC6084182 DOI: 10.1039/c7md00273d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 07/14/2017] [Indexed: 12/17/2022]
Abstract
A series of new triazolo linked 4β-amidopodophyllotoxin conjugates (9a-l) were synthesized using click chemistry and evaluated for their antitumor activity against four human cancer cell lines. Among them, two compounds (9c and 9j) showed significant anticancer activity with IC50 values of 0.9 and 0.07 μM, respectively. Biological studies are conducted into the cell-cycle distribution of these conjugates inducing G2/M-phase arrest, apart from an increase in the levels of caspase-3 proteins, followed by apoptotic cell death. A tubulin polymerization assay analysis showed that these compounds effectively inhibit microtubule assembly in HeLa cells and, moreover, Hoechst 33258 and Immunohistochemistry staining suggest that these compounds induce cell death by apoptosis. The docking studies showed that compounds 9c and 9j interact and bind efficiently with the tubulin protein at the colchicine site.
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Affiliation(s)
- M V P S Vishnuvardhan
- Medicinal Chemistry and Pharmacology , CSIR-Indian Institute of Chemical Technology , Tarnaka , Hyderabad 500007 , India .
| | - Saidi Reddy V
- Medicinal Chemistry and Pharmacology , CSIR-Indian Institute of Chemical Technology , Tarnaka , Hyderabad 500007 , India .
| | - Kunta Chandrasekhar
- Medicinal Chemistry and Pharmacology , CSIR-Indian Institute of Chemical Technology , Tarnaka , Hyderabad 500007 , India .
| | - V Lakshma Nayak
- Medicinal Chemistry and Pharmacology , CSIR-Indian Institute of Chemical Technology , Tarnaka , Hyderabad 500007 , India .
| | - Ibrahim Bin Sayeed
- Medicinal Chemistry and Pharmacology , CSIR-Indian Institute of Chemical Technology , Tarnaka , Hyderabad 500007 , India .
| | - Abdullah Alarifi
- Catalytic Chemistry Research Chair , Chemistry Department , College of Science , King Saud University , Riyadh 11451 , Saudi Arabia
| | - Ahmed Kamal
- Medicinal Chemistry and Pharmacology , CSIR-Indian Institute of Chemical Technology , Tarnaka , Hyderabad 500007 , India .
- Catalytic Chemistry Research Chair , Chemistry Department , College of Science , King Saud University , Riyadh 11451 , Saudi Arabia
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8
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Zi CT, Yang L, Gao W, Li Y, Zhou J, Ding ZT, Hu JM, Jiang ZH. Click Glycosylation for the Synthesis of 1,2,3-Triazole-Linked Picropodophyllotoxin Glycoconjugates and Their Anticancer Activity. ChemistrySelect 2017. [DOI: 10.1002/slct.201700347] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Cheng-Ting Zi
- Key Laboratory of Pu-er Tea Science, Ministry of Education; Yunnan Agricultural University; Kunming 650201 China
| | - Liu Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201 China
| | - Wei Gao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201 China
| | - Yan Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201 China
| | - Jun Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201 China
| | - Zhong-Tao Ding
- Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, School of Chemical Science and Technology; Yunnan University; Kunming 650091 China
| | - Jiang-Miao Hu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201 China
| | - Zi-Hua Jiang
- Department of Chemistry; Lakehead University; 955 Oliver Road Thunder Bay ON P7B 5E1 Canada
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9
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Yu X, Che Z, Xu H. Recent Advances in the Chemistry and Biology of Podophyllotoxins. Chemistry 2017; 23:4467-4526. [PMID: 27726183 DOI: 10.1002/chem.201602472] [Citation(s) in RCA: 127] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Indexed: 01/17/2023]
Abstract
Podophyllotoxin and its related aryltetralin cyclolignans belong to a family of important products that exhibit various biological properties (e.g., cytotoxic, insecticidal, antifungal, antiviral, anti-inflammatory, neurotoxic, immunosuppressive, antirheumatic, antioxidative, antispasmogenic, and hypolipidemic activities). This Review provides a survey of podophyllotoxin and its analogues isolated from plants. In particular, recent developments in the elegant total chemical synthesis, structural modifications, biosynthesis, and biotransformation of podophyllotoxin and its analogues are summarized. Moreover, a deoxypodophyllotoxin-based chemosensor for selective detection of mercury ion is described. In addition to the most active podophyllotoxin derivatives in each series against human cancer cell lines and insect pests listed in the tables, the structure-activity relationships of podophyllotoxin derivatives as cytotoxic and insecticidal agents are also outlined. Future prospects and further developments in this area are covered at the end of the Review. We believe that this Review will provide necessary information for synthetic, medicinal, and pesticidal chemistry researchers who are interested in the chemistry and biology of podophyllotoxins.
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Affiliation(s)
- Xiang Yu
- Research Institute of Pesticidal Design and Synthesis, College of Plant Protection/Sciences, Northwest A&F University, Yangling, 712100, Shaanxi Province, P.R. China
| | - Zhiping Che
- Research Institute of Pesticidal Design and Synthesis, College of Plant Protection/Sciences, Northwest A&F University, Yangling, 712100, Shaanxi Province, P.R. China
- College of Forestry, Henan University of Science and Technology, Luoyang, 471003, Henan Province, P. R. China
| | - Hui Xu
- Research Institute of Pesticidal Design and Synthesis, College of Plant Protection/Sciences, Northwest A&F University, Yangling, 712100, Shaanxi Province, P.R. China
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10
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Investigation of the mechanism and apoptotic pathway induced by 4β cinnamido linked podophyllotoxins against human lung cancer cells A549. Apoptosis 2016; 20:1518-29. [PMID: 26386574 DOI: 10.1007/s10495-015-1173-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Apoptosis is essential for normal development and the maintenance of homeostasis. It plays a necessary role to protect against carcinogenesis by eliminating damaged cells. Many studies have demonstrated that the dysregulation of apoptosis results in cancer and this provides an approach to develop therapeutic agents via inducing apoptosis. In our previous studies 4β-cinnamido linked podophyllotoxin conjugates were synthesized and evaluated for their cytotoxic activity in a panel of five human cancer cell lines and the new molecules like 17a and 17f were considered as potential leads. The cytotoxic activity was comparable to etoposide. These observations prompted us to investigate the mechanism underplaying the cytotoxic activity and apoptotic pathway induced by these compounds in human lung cancer cells A459. The results of the present study revealed that these compounds exhibited DNA topoisomerase IIα inhibition and induced mitochondrial mediated apoptosis. It was further confirmed by Mitochondrial membrane potential, Cytochrome c release, cleavage of poly (ADP-ribose) polymerase (PARP), Reactive oxygen species (ROS) generation, regulation of antiapoptotic protein Bcl-2 and pro apoptotic protein Bax studied by Western blot analysis. Annexin V-FITC assay also suggested that these compounds induced cell death by apoptosis. Pretreatment with N-acetyl-L-cysteine (NAC) prevented the generation of ROS. Further, pretreatment with NAC significantly inhibited 17a and 17f induced apoptosis, suggesting that ROS are the key mediators for 17a and 17f induced apoptosis. These data indicate that these compounds might induce apoptosis in A549 cells through a ROS mediated mitochondrial dysfunction pathway. Moreover, these compounds did not significantly inhibit the noncancerous human embryonic kidney cells, HEK-293. Docking studies also elucidate the potential of these molecules to bind to the DNA topoisomerase II. Podophyllotoxin analogs were investigated for their mechanism and apoptotic pathway against lung cancer cell line, A549. These podophyllotoxin analogs inhibited DNA topoisomerase IIα and induced mitochondrial mediated apoptosis in lung cancer cell line, A549. Western blot analysis suggested that these compounds inhibited the DNA topoisomerase IIα. Studies like, Measurement of mitochondrial membrane potential (∆Ψm), Generation of intracellular reactive oxygen species (ROS) and Annexin V-FITC assay suggested that these compounds induced mitochondrial mediated apoptosis. Pretreatment with N-acetyl-L-cysteine (NAC) suggested that ROS plays a role in 17a and 17f induced apoptosis. Further the apoptotic effect of these compounds was confirmed by western blot analysis of pro apoptotic protein Bax and antiapoptotic protein Bcl-2, Cytochrome c release and cleavage of poly (ADP-ribose) polymerase (PARP). Moreover, these compounds did not significantly inhibit the noncancerous human embryonic kidney cells, HEK-293.
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11
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Lau W, Sattely ES. Six enzymes from mayapple that complete the biosynthetic pathway to the etoposide aglycone. Science 2015; 349:1224-8. [PMID: 26359402 PMCID: PMC6861171 DOI: 10.1126/science.aac7202] [Citation(s) in RCA: 262] [Impact Index Per Article: 29.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Podophyllotoxin is the natural product precursor of the chemotherapeutic etoposide, yet only part of its biosynthetic pathway is known. We used transcriptome mining in Podophyllum hexandrum (mayapple) to identify biosynthetic genes in the podophyllotoxin pathway. We selected 29 candidate genes to combinatorially express in Nicotiana benthamiana (tobacco) and identified six pathway enzymes, including an oxoglutarate-dependent dioxygenase that closes the core cyclohexane ring of the aryltetralin scaffold. By coexpressing 10 genes in tobacco-these 6 plus 4 previously discovered-we reconstitute the pathway to (-)-4'-desmethylepipodophyllotoxin (the etoposide aglycone), a naturally occurring lignan that is the immediate precursor of etoposide and, unlike podophyllotoxin, a potent topoisomerase inhibitor. Our results enable production of the etoposide aglycone in tobacco and circumvent the need for cultivation of mayapple and semisynthetic epimerization and demethylation of podophyllotoxin.
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Affiliation(s)
- Warren Lau
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Elizabeth S Sattely
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA.
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12
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Cheng WH, Shang H, Niu C, Zhang ZH, Zhang LM, Chen H, Zou ZM. Synthesis and Evaluation of New Podophyllotoxin Derivatives with in Vitro Anticancer Activity. Molecules 2015; 20:12266-79. [PMID: 26154885 PMCID: PMC6332074 DOI: 10.3390/molecules200712266] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 06/28/2015] [Accepted: 06/29/2015] [Indexed: 11/16/2022] Open
Abstract
A series of novel podophyllotoxin derivatives were designed and synthesized. The cytotoxic activities of these compounds were tested against three tumor cell lines (HeLa, K562, and K562/A02). Most of the derivatives (IC50 = 1-20 μM) were found to have stronger cell growth inhibitory activity than positive control etoposide. Among them, 4β-N-[(E)-(5-((4-(4-nitrophenyl)-piperazin-1-yl)methyl)furan-2-yl)prop-2-en-1-amine]-4-desoxy-podophyllotoxin (9l) demonstrated significant inhibitory activity against HeLa, K562, and K562/A02 cell lines with IC50 values of 7.93, 6.42, 6.89 μM, respectively.
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Affiliation(s)
- Wei-Hua Cheng
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China.
| | - Hai Shang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China.
| | - Cong Niu
- Pharmacognosy Division, Medical College of Chinese People's Armed Police Force, Tianjin 300162, China.
| | - Zhong-Heng Zhang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China.
| | - Li-Ming Zhang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China.
| | - Hong Chen
- Pharmacognosy Division, Medical College of Chinese People's Armed Police Force, Tianjin 300162, China.
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, China.
| | - Zhong-Mei Zou
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China.
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13
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Hyder I, Yedlapudi D, Kalivendi SV, Khazir J, Ismail T, Nalla N, Miryala S, Sampath Kumar HM. Synthesis and Biological evaluation of novel 4β-[(5-substituted)-1,2,3,4-tetrazolyl] podophyllotoxins as anticancer compounds. Bioorg Med Chem Lett 2015; 25:2860-3. [DOI: 10.1016/j.bmcl.2015.04.053] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 04/05/2015] [Accepted: 04/15/2015] [Indexed: 10/23/2022]
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14
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Mariani A, Bartoli A, Atwal M, Lee KC, Austin CA, Rodriguez R. Differential Targeting of Human Topoisomerase II Isoforms with Small Molecules. J Med Chem 2015; 58:4851-6. [PMID: 25945730 DOI: 10.1021/acs.jmedchem.5b00473] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The TOP2 poison etoposide has been implicated in the generation of secondary malignancies during cancer treatment. Structural similarities between TOP2 isoforms challenge the rational design of isoform-specific poisons to further delineate these processes. Herein, we describe the synthesis and biological evaluation of a focused library of etoposide analogues, with the identification of two novel small molecules exhibiting TOP2B-dependent toxicity. Our findings pave the way toward studying isoform-specific cellular processes by means of small molecule intervention.
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Affiliation(s)
- Angelica Mariani
- †Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles du CNRS, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Alexandra Bartoli
- †Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles du CNRS, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Mandeep Atwal
- ‡Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Ka C Lee
- ‡Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Caroline A Austin
- ‡Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Raphaël Rodriguez
- †Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles du CNRS, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France.,§Organic Synthesis and Cell Biology Group, Institut Curie Research Center, 26 rue d'Ulm, 75248 Paris Cedex 05, France
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15
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Zi CT, Li GT, Li Y, Zhou J, Ding ZT, Jiang ZH, Hu JM. Synthesis and Anticancer Activity of 4β-Triazole-podophyllotoxin Glycosides. NATURAL PRODUCTS AND BIOPROSPECTING 2015; 5:83-90. [PMID: 25869591 PMCID: PMC4402586 DOI: 10.1007/s13659-015-0057-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 03/22/2015] [Indexed: 05/04/2023]
Abstract
A series of novel 4β-triazole-podophyllotoxin glycosides were synthesized by utilizing the Click reaction. Evaluation of cytotoxicity against a panel of five human cancer cell lines (HL-60, SMMC-7721, A-549, MCF-7, SW480) using MTT assay shows that most of these compounds show weak cytotoxicity. It was observed that compound 16 shows the highest activity with IC50 values ranging from 2.85 to 7.28 μM, which is more potent than the control drugs etoposide and cisplatin against four of five cancer cell lines tested. Compound 16 is characterized with an α-D-galactosyl residue directly linked to the triazole ring and a 4'-OH group on the E ring of the podophyllotoxin scaffold. HPLC investigation of representative compound indicates that incorporation of a sugar moiety seems to improve the chemical stability of the podophyllotoxin scaffold.
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Affiliation(s)
- Cheng-Ting Zi
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
- />Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091 China
| | - Gen-Tao Li
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
| | - Yan Li
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
| | - Jun Zhou
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
| | - Zhong-Tao Ding
- />Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091 China
| | - Zi-Hua Jiang
- />Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1 Canada
| | - Jiang-Miao Hu
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201 China
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16
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Synthesis and antitumor activity of novel per-butyrylated glycosides of podophyllotoxin and its derivatives. Bioorg Med Chem 2015; 23:1437-46. [PMID: 25744190 DOI: 10.1016/j.bmc.2015.02.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 01/31/2015] [Accepted: 02/11/2015] [Indexed: 11/22/2022]
Abstract
A series of perbutyrylated glycosides of podophyllotoxin and its derivatives were synthesized and evaluated for their antitumor activity in vitro. Most of them exhibit cytotoxic activity against a panel of five human cancer cell lines (HL-60, SMMC-7721, A-549, MCF-7, SW480) using MTT assays. Among the synthesized compounds, epipodophyllotoxin α-d-galactopyranoside 8b, epipodophyllotoxin α-d-arabinopyranoside 8e, and podophyllotoxin β-d-glucopyranoside 11a show the highest potency of anticancer activity with their IC50 values ranging from 0.14 to 1.69μM. Structure activity relationship analysis indicates that the type of glycosidic linkage, the configuration at C-4 of the podophyllotoxin scaffold, and the substitution at 4'-position (OH vs OCH3) can all have significant effect on the potency of their anticancer activity. Several compounds are more active than the control drugs Etoposide and Cisplatin, suggesting their potential as anticancer agents for further development.
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17
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Paidakula S, Kankala S, Kankala RK, Juluru B, Jonnalagadda SB, Lee CH, Vadde R, Vasam CS. Synthesis and biological evaluation of 4β-benzoxazolepodophyllotoxin hybrids as DNA topoisomerase-II targeting anticancer agents. RSC Adv 2015. [DOI: 10.1039/c5ra15366b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A series of new 4β-benzoxazolepodophyllotoxin compounds (9a–j) were prepared and screened for molecular modelling and cytotoxicity against various human tumour cell lines. Cell apoptosis evaluation was performed using Hoechst staining.
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Affiliation(s)
| | - Shravankumar Kankala
- Department of Chemistry
- Kakatiya University
- Warangal
- India
- School of Physics and Chemistry
| | - Ranjith kumar Kankala
- Department of Life Science and Institute of Biotechnology
- National Dong Hwa University
- Hualien
- Taiwan
| | | | | | - Chia-Hung Lee
- Department of Life Science and Institute of Biotechnology
- National Dong Hwa University
- Hualien
- Taiwan
| | | | - Chandra Sekhar Vasam
- Department of Chemistry
- Satavahana University
- India
- Department of Pharmaceutical Chemistry
- Telangana University
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18
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Banday AH, Kulkarni VV, Hruby VJ. Design, synthesis, and biological and docking studies of novel epipodophyllotoxin–chalcone hybrids as potential anticancer agents. MEDCHEMCOMM 2015. [DOI: 10.1039/c4md00325j] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Click-chemistry based design and efficient synthesis of podophyllotoxin–chalcone conjugates as potential topoisomerase-II inhibitors towards the development of better anticancer leads.
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Affiliation(s)
- Abid Hussain Banday
- Department of Chemistry
- Islamia College of Science and Commerce
- Srinagar
- India-190009
- Department of Chemistry and Biochemistry
| | - Vinod V. Kulkarni
- Department of Chemistry and Biochemistry
- University of Arizona
- Tucson
- USA-85721
| | - Victor J. Hruby
- Department of Chemistry and Biochemistry
- University of Arizona
- Tucson
- USA-85721
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19
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Synthesis and evaluation of novel podophyllotoxin derivatives as potential antitumor agents. Eur J Med Chem 2014; 85:498-507. [DOI: 10.1016/j.ejmech.2014.08.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 07/24/2014] [Accepted: 08/04/2014] [Indexed: 11/23/2022]
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20
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Synthesis of a terphenyl substituted 4-aza-2,3-didehydropodophyllotoxin analogues as inhibitors of tubulin polymerization and apoptosis inducers. Bioorg Med Chem 2014; 22:2714-23. [DOI: 10.1016/j.bmc.2014.03.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2014] [Revised: 03/08/2014] [Accepted: 03/11/2014] [Indexed: 11/23/2022]
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21
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Zi CT, Xu FQ, Li GT, Li Y, Ding ZT, Zhou J, Jiang ZH, Hu JM. Synthesis and anticancer activity of glucosylated podophyllotoxin derivatives linked via 4β-triazole rings. Molecules 2013; 18:13992-4012. [PMID: 24232736 PMCID: PMC6270044 DOI: 10.3390/molecules181113992] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Revised: 11/04/2013] [Accepted: 11/05/2013] [Indexed: 02/06/2023] Open
Abstract
A series of 4β-triazole-linked glucose podophyllotoxin conjugates have been designed and synthesized by employing a click chemistry approach. All the compounds were evaluated for their anticancer activity against a panel of five human cancer cell lines (HL-60, SMMC-7721, A-549, MCF-7, SW480) using MTT assays. Most of these triazole derivatives have good anticancer activity. Among them, compound 35 showed the highest potency against all five cancer cell lines tested, with IC₅₀ values ranging from 0.59 to 2.90 μM, which is significantly more active than the drug etoposide currently in clinical use. Structure-activity relationship analysis reveals that the acyl substitution on the glucose residue, the length of oligoethylene glycol linker, and the 4'-demethylation of podophyllotoxin scaffold can significantly affect the potency of the anticancer activity. Most notably, derivatives with a perbutyrylated glucose residue show much higher activity than their counterparts with either a free glucose or a peracetylated glucose residue.
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Affiliation(s)
- Cheng-Ting Zi
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; E-Mails: (C.-T.Z.); (F.-Q.X.); (G.-T.L.); (Y.L.); (J.Z.)
- Key Laboratory of Medicinal Chemistry for Natural Resource, Yunnan University, Kunming 650091, China; E-Mail:
| | - Feng-Qing Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; E-Mails: (C.-T.Z.); (F.-Q.X.); (G.-T.L.); (Y.L.); (J.Z.)
| | - Gen-Tao Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; E-Mails: (C.-T.Z.); (F.-Q.X.); (G.-T.L.); (Y.L.); (J.Z.)
| | - Yan Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; E-Mails: (C.-T.Z.); (F.-Q.X.); (G.-T.L.); (Y.L.); (J.Z.)
| | - Zhong-Tao Ding
- Key Laboratory of Medicinal Chemistry for Natural Resource, Yunnan University, Kunming 650091, China; E-Mail:
| | - Jun Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; E-Mails: (C.-T.Z.); (F.-Q.X.); (G.-T.L.); (Y.L.); (J.Z.)
| | - Zi-Hua Jiang
- Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada
- Authors to whom correspondence should be addressed; E-Mails: (Z.-H.J.); (J.-M.H.); Tel.: +1-807-766-7171 (Z.-H.J.); Fax: +1-807-346-7775 (Z.-H.J.); Tel.: +86-871-6522-3264 (J.-M.H.); Fax: +86-871-6522-3261 (J.-M.H.)
| | - Jiang-Miao Hu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; E-Mails: (C.-T.Z.); (F.-Q.X.); (G.-T.L.); (Y.L.); (J.Z.)
- Authors to whom correspondence should be addressed; E-Mails: (Z.-H.J.); (J.-M.H.); Tel.: +1-807-766-7171 (Z.-H.J.); Fax: +1-807-346-7775 (Z.-H.J.); Tel.: +86-871-6522-3264 (J.-M.H.); Fax: +86-871-6522-3261 (J.-M.H.)
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22
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Liu JF, Sang CY, Qin WW, Zhao J, Hui L, Ding YL, Chen SW. Synthesis and evaluation of the cell cycle arrest and CT DNA interaction properties of 4β-amino-4′-O-demethyl-4-deoxypodophyllotoxins. Bioorg Med Chem 2013; 21:6948-55. [DOI: 10.1016/j.bmc.2013.09.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Revised: 09/07/2013] [Accepted: 09/10/2013] [Indexed: 11/28/2022]
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23
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Kamal A, Tamboli JR, Ramaiah MJ, Adil SF, Pushpavalli SNCVL, Ganesh R, Sarma P, Bhadra U, Pal-Bhadra M. Quinazolino linked 4β-amidopodophyllotoxin conjugates regulate angiogenic pathway and control breast cancer cell proliferation. Bioorg Med Chem 2013; 21:6414-26. [PMID: 24055291 DOI: 10.1016/j.bmc.2013.08.051] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 08/21/2013] [Accepted: 08/23/2013] [Indexed: 10/26/2022]
Abstract
A series of new conjugates of quinazolino linked 4β-amidopodophyllotoxins 10aa-af and 10ba-bf were synthesized and evaluated for their anticancer activity against human pancreatic carcinoma (Panc-1) as well as breast cancer cell lines such as MCF-7 and MDA-MB-231 by employing MTT assay. Among these conjugates, some of them like 10bc, 10bd, 10be and 10bf exhibited high potency of cytotoxicity. Flow cytometric analysis showed that these conjugates arrested the cell cycle in the G2/M phase and caused the increase in expression of p53 and cyclin B1 protein with concomitant decrease in Cdk1 thereby suggesting the inhibitory action of these conjugates on mitosis. Interestingly, we observed a decrease in expression of proteins that control the tumor micro environment such as VEGF-A, STAT-3, ERK1/2, ERK-p, AKT-1 ser 473 phosphorylation in compounds treated breast cancer cells. Further, these effective conjugates have exhibited inhibitory action on integrin (αVβIII). Furthermore, the MCF-7 cells that were arrested and lost the proliferative capacity undergo mitochondrial mediated apoptosis by activation of caspases-9. Thus these conjugates have the potential to control breast cancer cell growth by effecting tumor angiogenesis and invasion.
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Affiliation(s)
- Ahmed Kamal
- Medicinal Chemistry and Pharmacology, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500 007, India.
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24
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4β-[4′-(1-(Aryl)ureido)benzamide]podophyllotoxins as DNA topoisomerase I and IIα inhibitors and apoptosis inducing agents. Bioorg Med Chem 2013; 21:5198-208. [DOI: 10.1016/j.bmc.2013.06.033] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 06/12/2013] [Accepted: 06/13/2013] [Indexed: 01/09/2023]
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25
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Kamal A, Tamboli JR, Vishnuvardhan MVPS, Adil SF, Nayak VL, Ramakrishna S. Synthesis and anticancer activity of heteroaromatic linked 4β-amido podophyllotoxins as apoptotic inducing agents. Bioorg Med Chem Lett 2012. [PMID: 23182091 DOI: 10.1016/j.bmcl.2012.10.099] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A series of different heteroaromatic linked 4β-amidopodophyllotoxin conjugates (16a-i, 17a-i and 18a-d) were synthesized and evaluated for anticancer activity against five human cancer cell lines. Among the series, one of the compound 17g showed significant antiproliferative activity in A549 (lung cancer) cell line. Flow cytometric analysis showed that 17g arrested the cell cycle in the G2/M phase leading to caspase-3 dependent apoptotic cell death. Further, Hoechst 33258 staining and DNA fragmentation assay also suggests that 17g induces cell death by apoptosis.
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Affiliation(s)
- Ahmed Kamal
- Division of Organic Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India.
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26
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Guminski Y, Grousseaud M, Cugnasse S, Imbert T. Practical Demethylation of Podophyllotoxin and Efficient Preparation of 4-Amino-4-deoxy-4′-demethylepipodophyllotoxin. SYNTHETIC COMMUN 2012. [DOI: 10.1080/00397911.2011.567436] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Yves Guminski
- a Centre de Recherche Pierre Fabre, Division de Chimie Médicinale , Castres , France
| | - Martial Grousseaud
- a Centre de Recherche Pierre Fabre, Division de Chimie Médicinale , Castres , France
| | - Sandrine Cugnasse
- a Centre de Recherche Pierre Fabre, Division de Chimie Médicinale , Castres , France
| | - Thierry Imbert
- a Centre de Recherche Pierre Fabre, Division de Chimie Médicinale , Castres , France
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27
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Kamal A, Suresh P, Ramaiah MJ, Mallareddy A, Imthiajali S, Pushpavalli SNCVL, Lavanya A, Pal-Bhadra M. Synthesis and biological evaluation of 4β-sulphonamido and 4β-[(4'-sulphonamido)benzamide]podophyllotoxins as DNA topoisomerase-IIα and apoptosis inducing agents. Bioorg Med Chem 2012; 20:2054-66. [PMID: 22364746 DOI: 10.1016/j.bmc.2012.01.039] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Revised: 01/23/2012] [Accepted: 01/24/2012] [Indexed: 10/14/2022]
Abstract
A series of new 4β-sulphonamido and 4β-[(4'-sulphonamido)benzamide] conjugates of podophyllotoxin (11a-j and 15a-g) were synthesized and evaluated for anticancer activity against six human cancer cell lines and found to be more potent than etoposide. Some of the compounds 11b, 11d and 11e that showed significant antiproliferative activity in Colo-205 cells, were superior to etoposide. The flow cytometric analysis indicates that these compounds (11b, 11d and 11e) showed G2/M cell cycle arrest and among them 11e is the most effective. It is observed that this compound (11e) caused both single-strand DNA breaks as observed by comet assay as well as double-strand DNA breaks as indicated by γ-H2AX. Further 11e showed inhibition of topo-IIα as observed from Western blot analysis and related studies. Compounds caused activation of ATM as well as Chk1 protein indicating that the compound caused effective DNA damage. Moreover activation of caspase-3, p21, p16, NF-kB and down regulation of Bcl-2 protein suggests that this compound (11e) has apoptotic cell death inducing ability, apart from acting as a topo-IIα inhibitor.
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Affiliation(s)
- Ahmed Kamal
- Division of Organic Chemistry, Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500 607, India.
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28
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Kamal A, Mallareddy A, Suresh P, Lakshma Nayak V, Shetti RV, Sankara Rao N, Tamboli JR, Shaik TB, Vishnuvardhan M, Ramakrishna S. Synthesis and anticancer activity of 4β-alkylamidochalcone and 4β-cinnamido linked podophyllotoxins as apoptotic inducing agents. Eur J Med Chem 2012; 47:530-45. [DOI: 10.1016/j.ejmech.2011.11.024] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Revised: 11/10/2011] [Accepted: 11/10/2011] [Indexed: 01/28/2023]
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29
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Kamal A, Suresh P, Janaki Ramaiah M, Mallareddy A, Kumar BA, Raju P, Vinay Gopal J, Pushpavalli S, Lavanya A, Sarma P, Pal-Bhadra M. Synthesis and biological evaluation of 4β-acrylamidopodophyllotoxin congeners as DNA damaging agents. Bioorg Med Chem 2011; 19:4589-600. [DOI: 10.1016/j.bmc.2011.06.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 06/02/2011] [Accepted: 06/03/2011] [Indexed: 11/26/2022]
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30
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Reddy DM, Srinivas J, Chashoo G, Saxena AK, Sampath Kumar H. 4β-[(4-Alkyl)-1,2,3-triazol-1-yl] podophyllotoxins as anticancer compounds: Design, synthesis and biological evaluation. Eur J Med Chem 2011; 46:1983-91. [DOI: 10.1016/j.ejmech.2011.02.016] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2010] [Revised: 02/11/2011] [Accepted: 02/11/2011] [Indexed: 11/17/2022]
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31
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Kamal A, Ashwini Kumar B, Suresh P, Juvekar A, Zingde S. Synthesis of 4β-carbamoyl epipodophyllotoxins as potential antitumour agents. Bioorg Med Chem 2011; 19:2975-9. [DOI: 10.1016/j.bmc.2011.03.030] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2011] [Revised: 03/11/2011] [Accepted: 03/12/2011] [Indexed: 10/18/2022]
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32
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Kamal A, Suresh P, Mallareddy A, Kumar BA, Reddy PV, Raju P, Tamboli JR, Shaik TB, Jain N, Kalivendi SV. Synthesis of a new 4-aza-2,3-didehydropodophyllotoxin analogues as potent cytotoxic and antimitotic agents. Bioorg Med Chem 2011; 19:2349-58. [DOI: 10.1016/j.bmc.2011.02.020] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Revised: 02/10/2011] [Accepted: 02/11/2011] [Indexed: 11/24/2022]
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33
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An efficient one-pot synthesis of benzothiazolo-4β-anilino-podophyllotoxin congeners: DNA topoisomerase-II inhibition and anticancer activity. Bioorg Med Chem Lett 2011; 21:350-3. [DOI: 10.1016/j.bmcl.2010.11.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2010] [Revised: 10/29/2010] [Accepted: 11/01/2010] [Indexed: 11/18/2022]
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34
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Shimada N, Hanari T, Kurosaki Y, Anada M, Nambu H, Hashimoto S. Catalytic asymmetric synthesis of descurainin via 1,3-dipolar cycloaddition of a carbonyl ylide using Rh2(R-TCPTTL)4. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.10.036] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Kamal A, Kumar BA, Suresh P, Agrawal SK, Chashoo G, Singh SK, Saxena A. Synthesis of 4β-N-polyaromatic substituted podophyllotoxins: DNA topoisomerase inhibition, anticancer and apoptosis-inducing activities. Bioorg Med Chem 2010; 18:8493-500. [DOI: 10.1016/j.bmc.2010.10.042] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2010] [Revised: 10/14/2010] [Accepted: 10/15/2010] [Indexed: 11/28/2022]
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36
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37
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Xu H, He XQ. Natural products-based insecticidal agents 6. Design, semisynthesis, and insecticidal activity of novel monomethyl phthalate derivatives of podophyllotoxin against Mythimna separata Walker in vivo. Bioorg Med Chem Lett 2010; 20:4503-6. [PMID: 20584606 DOI: 10.1016/j.bmcl.2010.06.032] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 06/03/2010] [Accepted: 06/07/2010] [Indexed: 01/05/2023]
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38
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Synthesis and biological evaluation of novel conjugates of podophyllotoxin and 5-FU as antineoplastic agents. Bioorg Med Chem 2009; 17:3111-7. [DOI: 10.1016/j.bmc.2009.03.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2009] [Revised: 02/28/2009] [Accepted: 03/03/2009] [Indexed: 11/17/2022]
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39
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Bhat BA, Reddy PB, Agrawal SK, Saxena A, Kumar HS, Qazi G. Studies on novel 4β-[(4-substituted)-1,2,3-triazol-1-yl] podophyllotoxins as potential anticancer agents. Eur J Med Chem 2008; 43:2067-72. [DOI: 10.1016/j.ejmech.2007.09.015] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2007] [Revised: 09/14/2007] [Accepted: 09/18/2007] [Indexed: 10/22/2022]
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40
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Reddy P, Agrawal S, Singh S, Bhat B, Saxena A, Kumar H, Qazi G. Synthesis and Biological Evaluation of 4β-[(4-Substituted)-1,2,3-triazol-1-yl]podophyllotoxins as Potential Anticancer Agents. Chem Biodivers 2008; 5:1792-802. [DOI: 10.1002/cbdv.200890168] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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41
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Bender RP, Jablonksy MJ, Shadid M, Romaine I, Dunlap N, Anklin C, Graves DE, Osheroff N. Substituents on etoposide that interact with human topoisomerase IIalpha in the binary enzyme-drug complex: contributions to etoposide binding and activity. Biochemistry 2008; 47:4501-9. [PMID: 18355043 DOI: 10.1021/bi702019z] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Etoposide is a widely prescribed anticancer agent that stabilizes topoisomerase II-mediated DNA strand breaks. The drug contains a polycyclic ring system (rings A-D), a glycosidic moiety at C4, and a pendant ring (E-ring) at C1. A recent study that focused on yeast topoisomerase II demonstrated that the H15 geminal protons of the etoposide A-ring, the H5 and H8 protons of the B-ring, and the H2', H6', 3'-methoxyl, and 5'-methoxyl protons of the E-ring contact topoisomerase II in the binary enzyme-drug complex [ Wilstermann et al. (2007) Biochemistry 46, 8217-8225 ]. No interactions with the C4 sugar were observed. The present study used DNA cleavage assays, saturation transfer difference [ (1)H] NMR spectroscopy, and enzyme-drug binding studies to further define interactions between etoposide and human topoisomerase IIalpha. Etoposide and three derivatives that lacked the C4 sugar were analyzed. Except for the sugar, 4'-demethyl epipodophyllotoxin is identical to etoposide, epipodophyllotoxin contains a 4'-methoxyl group on the E-ring, and 6,7- O, O-demethylenepipodophyllotoxin replaces the A-ring with a diol. Results suggest that etoposide-topoisomerase IIalpha binding is driven by interactions with the A- and B-rings and potentially by stacking interactions with the E-ring. We propose that the E-ring pocket on the enzyme is confined, because the addition of bulk to this ring adversely affects drug function. The A- and E-rings do not appear to contact DNA in the enzyme-drug-DNA complex. Conversely, the sugar moiety subtly alters DNA interactions. The identification of etoposide substituents that contact topoisomerase IIalpha in the binary complex has predictive value for drug behavior in the enzyme-etoposide-DNA complex.
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Affiliation(s)
- Ryan P Bender
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-0146, USA
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42
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Reddy PB, Paul DV, Agrawal SK, Saxena AK, Kumar HMS, Qazi GN. Design, Synthesis, and Biological Testing of 4β-[(4-Substituted)-1,2,3-triazol-1-yl]podophyllotoxin Analogues as Antitumor Agents. Arch Pharm (Weinheim) 2008; 341:126-31. [DOI: 10.1002/ardp.200700116] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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43
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Jin Y, Chen SW, Tian X. Synthesis and biological evaluation of new spin-labeled derivatives of podophyllotoxin. Bioorg Med Chem 2006; 14:3062-8. [PMID: 16406792 DOI: 10.1016/j.bmc.2005.12.025] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2005] [Revised: 12/12/2005] [Accepted: 12/13/2005] [Indexed: 11/20/2022]
Abstract
In order to find compounds with superior bioactivity and less toxicity, a series of spin-labeled podophyllotoxin derivatives were synthesized and tested for the partition coefficients and cytotoxicity against P-388 and A-549. Furthermore, we also determined antioxidant activities of target molecular in tissues of SD rats by the TBA method. Results revealed that most synthesized compounds showed more significant cytotoxicity against P-388 and A-549 in vitro than VP-16. Among them, 9d exhibited most potent cytotoxicity against P-388 and A-549 cells (IC50 is <0.01 and 0.13 microM, respectively). Also, the antioxidative activities showed that the modified compounds of 4'-demethylepipodophyllotoxin (9a-d and 10a-c) are higher than those of podophyllotoxin series (8a-d). The relationship between the cytotoxicity and antioxidative activity discussed.
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Affiliation(s)
- Yan Jin
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, PR China
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44
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Zhang Y, Zhuo RX. Synthesis and in vitro drug release behavior of amphiphilic triblock copolymer nanoparticles based on poly (ethylene glycol) and polycaprolactone. Biomaterials 2005; 26:6736-42. [PMID: 15935469 DOI: 10.1016/j.biomaterials.2005.03.045] [Citation(s) in RCA: 151] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2004] [Accepted: 03/31/2005] [Indexed: 11/25/2022]
Abstract
Novel BAB type amphiphilic triblock copolymers consisting of poly (ethylene glycol) (PEG) (B) as hydrophilic segment and poly (epsilon-caprolactone) (PCL) (A) as hydrophobic block were prepared by coupling reaction using L-lysine methyl ester diisocyanate (LDI) as the chain extender. The triblock copolymers obtained were characterized by FT-IR, 1H NMR, GPC, and DSC. Core-shell type nanoparticles were prepared by nanoprecipitation method and below 100 nm nanoparticles were obtained due to their specific structure. Transmission electron microscopy image demonstrated that these nanoparticles were spherical in shape. Stability of the nanoparticles in biological media was evaluated. Poorly water-soluble anticancer drug 4'-demethyl-epipodophyllotoxin (DMEP) was chosen for controlled drug release because it was easily encapsulated into polymeric nanoparticles via hydrophobic interaction. In vitro release behavior of DMEP from polymeric nanoparticles was investigated, the results showed that the drug release rate can be modulated by the variation of the copolymer composition.
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Affiliation(s)
- Ying Zhang
- Key Laboratory of Biomedical Polymers of the Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, PR China
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45
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Kamal A, Gayatri NL, Reddy DR, Mohan Reddy PSM, Arifuddin M, Dastidar SG, Kondapi AK, Rajkumar M. Synthesis and biological evaluation of new 4beta-anilino- and 4beta-imido-substituted podophyllotoxin congeners. Bioorg Med Chem 2005; 13:6218-25. [PMID: 16061385 DOI: 10.1016/j.bmc.2005.06.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2005] [Revised: 06/17/2005] [Accepted: 06/21/2005] [Indexed: 10/25/2022]
Abstract
A series of C-4-anilino- and C-4-imido-substituted new podophyllotoxin congeners have been designed, synthesized, and evaluated for their cytotoxicity and DNA topoisomerase-II (topo-II) inhibition potential. Some of these compounds have exhibited promising in vitro anticancer and topo-II inhibition activity.
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Affiliation(s)
- Ahmed Kamal
- Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad 500007, Andhra Pradesh, India.
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46
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Xiao Z, Bastow KF, Vance JR, Lee KH. Antitumor agents. Part 227: Studies on novel 4'-O-demethyl-epipodophyllotoxins as antitumor agents targeting topoisomerase II. Bioorg Med Chem 2005; 12:3339-44. [PMID: 15158802 DOI: 10.1016/j.bmc.2004.03.067] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2003] [Accepted: 03/23/2004] [Indexed: 11/18/2022]
Abstract
Eight novel epipodophyllotoxin derivatives (6-13), which were designed to overcome drug resistance and enhance topoisomerase II inhibition, were synthesized and evaluated. Two of these compounds (7 and 8) showed better preclinical activity profiles, including cell growth inhibition, cell killing, and in vitro topoisomerase II inhibition, as compared to the prototype molecule etoposide (1). They also retained the superior drug-resistance profile of GL-331 (4), an epipodophyllotoxin derivative currently in clinical evaluation.
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Affiliation(s)
- Zhiyan Xiao
- Natural Products Laboratory, School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7360, USA
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47
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Gordaliza M, García PA, del Corral JMM, Castro MA, Gómez-Zurita MA. Podophyllotoxin: distribution, sources, applications and new cytotoxic derivatives. Toxicon 2004; 44:441-59. [PMID: 15302526 DOI: 10.1016/j.toxicon.2004.05.008] [Citation(s) in RCA: 360] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Several podophyllotoxin derivatives modified in the A, B, C, D and E rings were prepared from podophyllotoxin and methyl isoxazopodophyllic acid and evaluated for their cytotoxicity on several neoplastic cell lines. Chemical transformations performed on these compounds have yielded derivatives more potent and more selective that the parent compound. Most of the compounds maintained their cytotoxicity at the microM level. Distribution, biosynthesis, production, biotechnology, applications and synthesis have also been reviewed.
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Affiliation(s)
- M Gordaliza
- Departamento de Química Farmacéutica, Facultad de Farmacia, Universidad de Salamanca, 37007 Salamanca, Spain.
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48
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Xiao Z, Han S, Bastow KF, Lee KH. Antitumor agents. Part 232: Synthesis of cyclosulfite podophyllotoxin analogues as novel prototype antitumor agents. Bioorg Med Chem Lett 2004; 14:1581-4. [PMID: 15006408 DOI: 10.1016/j.bmcl.2003.12.096] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2003] [Accepted: 12/16/2003] [Indexed: 11/27/2022]
Abstract
An 11,13-O,O'-cyclosulfite GL-331 analogue (7) was synthesized in six steps from podophyllotoxin and evaluated as a potential antitumor agent. Compound 7 was significantly cytotoxic against human tumor cell lines, but showed no inhibition against human DNA topoisomerase II in vitro. This compound represents a novel prototype of antitumor podophyllotoxin analogues.
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Affiliation(s)
- Zhiyan Xiao
- Natural Products Laboratory, School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7360, USA
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49
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Kamal A, Kumar B, Arifuddin M. A one-pot, efficient and facile synthesis of 4β-arylaminopodophyllotoxins: synthesis of NPF and GL-331 as DNA topoisomerase II inhibitors. Tetrahedron Lett 2003. [DOI: 10.1016/j.tetlet.2003.09.110] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Kamal A, Ashwini Kumar B, Arifuddin M, Dastidar SG. Synthesis of 4β-amido and 4β-sulphonamido analogues of podophyllotoxin as potential antitumour agents. Bioorg Med Chem 2003; 11:5135-42. [PMID: 14604676 DOI: 10.1016/j.bmc.2003.08.019] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The new 4beta-amido analogues of podophyllotoxin or 4'-O-demethylepipodophyllotoxin have been prepared either by the coupling of 4beta-amino podophyllotoxin or 4beta-amino-4'-O-demethyl epipodophyllotoxin with the corresponding acids in presence of DCC in dichloromethane or by treating the appropriate acid chloride or sulphonyl chloride in presence of Et(3)N. These 4beta-amido and 4beta-sulphonamido derivatives of podophyllotoxin have been evaluated for their cytotoxicity against six human cancer cell lines. Some of these analogues have shown promising anticancer activity.
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Affiliation(s)
- Ahmed Kamal
- Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad-500007, India.
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