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Singh H, Satish N, Babu TR, Singh A, Yadav B, Singh SK, Wahajuddin M, Siddiqui MI, Jagavelu K, Sudhakar G. Functionalized azirine based scaffolds as endothelin inhibitors for the selective anti-angiogenic activity. Eur J Med Chem 2024; 274:116510. [PMID: 38843585 DOI: 10.1016/j.ejmech.2024.116510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 05/06/2024] [Accepted: 05/16/2024] [Indexed: 06/17/2024]
Abstract
Anti-angiogenic therapy has long been used as an adjunct therapy for the resolution of tumor burden. The current findings describe the synthesis of novel marine-based azirine-containing compounds that exhibit anti-angiogenic mediated anti-tumor activity. Azirine-2-carboxylate inhibited HUVEC-mediated tubulogenesis without causing cell death in a dose-dependent manner. Ex-vivo CAM, in-vivo Matrigel implantation, and ear angiogenesis experiments have all shown that azirine-2-carboxylate effectively inhibits angiogenesis. Furthermore, azirine-2-carboxylate inhibits the migration of ECs without disrupting the preformed tubule network. Azirine-2-carboxylate had adequate intramuscular systemic exposure and inhibited tumor growth in a xenograft mouse model. DARTS analysis, competitive binding assay, and gene expression investigations revealed that azirine-2-carboxylate inhibits endothelin-1-mediated angiogenesis. Overall, the discovery of azirine-2-carboxylate demonstrated a potent inhibition of angiogenesis targeting ET1 and a possible application in anti-angiogenic therapy.
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Affiliation(s)
- Himalaya Singh
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Nagam Satish
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, Telangana, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Tella Ramesh Babu
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, Telangana, India
| | - Abhinav Singh
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Babita Yadav
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sandeep Kumar Singh
- Pharmaceutics and Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Mohammad Wahajuddin
- Pharmaceutics and Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Mohammad Imran Siddiqui
- Molecular and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Kumaravelu Jagavelu
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Gangarajula Sudhakar
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, Telangana, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Leng J, Zhao Y, Sheng P, Xia Y, Chen T, Zhao S, Xie S, Yan X, Wang X, Yin Y, Kong L. Discovery of Novel N-Heterocyclic-Fused Deoxypodophyllotoxin Analogues as Tubulin Polymerization Inhibitors Targeting the Colchicine-Binding Site for Cancer Treatment. J Med Chem 2022; 65:16774-16800. [PMID: 36471625 DOI: 10.1021/acs.jmedchem.2c01595] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Natural products are a major source of anticancer agents and play critical roles in anticancer drug development. Inspired by the complexity-to-diversity strategy, novel deoxypodophyllotoxin (DPT) analogues were designed and synthesized. Among them, compound C3 exhibited the potent antiproliferative activity against four human cancer cell lines with IC50 values in the low nanomolar range. Additionally, it showed marked activity against paclitaxel-resistant MCF-7 cells and A549 cells. Moreover, compound C3 can inhibit tubulin polymerization by targeting the colchicine-binding site of tubulin. Further study revealed that compound C3 could arrest cancer cells in the G2/M phase and disrupt the angiogenesis in human umbilical vein endothelial cells. Meanwhile, C3 remarkably inhibited cancer cell motility and migration, as well as considerably inhibited tumor growth in MCF-7 and MCF-7/TxR xenograft model without obvious toxicity. Collectively, these results indicated that compound C3 may be a promising tubulin polymerization inhibitor development for cancer treatment.
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Affiliation(s)
- Jiafu Leng
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yongjun Zhao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Ping Sheng
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yuanzheng Xia
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Tingting Chen
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Shifang Zhao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Shanshan Xie
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Xiangyu Yan
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Xiaobing Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yong Yin
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
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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: 16] [Impact Index Per Article: 8.0] [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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Ai Y, Zhao Z, Wang H, Zhang X, Qin W, Guo Y, Zhao M, Tang J, Ma X, Zeng J. Pull the plug: Anti‐angiogenesis potential of natural products in gastrointestinal cancer therapy. Phytother Res 2022; 36:3371-3393. [PMID: 35871532 DOI: 10.1002/ptr.7492] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/13/2022] [Accepted: 04/28/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Yanling Ai
- Department of Oncology Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
| | - Ziyi Zhao
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
| | - Hengyi Wang
- Department of Oncology Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
| | - Xiaomei Zhang
- Institute of Medicinal Chemistry of Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing China
| | - Weihan Qin
- Institute of Medicinal Chemistry of Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing China
| | - Yanlei Guo
- Institute of Medicinal Chemistry of Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing China
| | - Maoyuan Zhao
- Department of Oncology Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
| | - Jianyuan Tang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
| | - Xiao Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy Chengdu University of Traditional Chinese Medicine Chengdu China
| | - Jinhao Zeng
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
- Department of Geriatrics Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
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A comprehensive insight into the antineoplastic activities and molecular mechanisms of deoxypodophyllotoxin: Recent trends, challenges, and future outlook. Eur J Pharmacol 2022; 928:175089. [PMID: 35688183 DOI: 10.1016/j.ejphar.2022.175089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 05/31/2022] [Accepted: 06/03/2022] [Indexed: 11/20/2022]
Abstract
Lignans constitute an important group of polyphenols, which have been demonstrated to potently suppress cancer cell proliferation. Numerous in vitro and in vivo studies indicate that deoxypodophyllotoxin as a natural lignan possesses potent anticancer activities against various types of human cancer. The purpose of current review is to provide the reader with the latest findings in understanding the anticancer effects and molecular mechanisms of deoxypodophyllotoxin. This review comprehensively describes the influence of deoxypodophyllotoxin on signaling cascades and molecular targets implicated in cancer cell proliferation and invasion. A number of various signaling molecules and pathways, including apoptosis, necroptosis, cell cycle, angiogenesis, vascular disruption, ROS, MMPs, glycolysis, and microtubules as well as NF-κB, PI3K/Akt/mTOR, and MAPK cascades have been reported to be responsible for the anticancer activities of deoxypodophyllotoxin. The results of present review suggest that the cyclolignan deoxypodophyllotoxin can be developed as a novel and potent anticancer agent, especially as an alternative option for treatment of resistant tumors to chemotherapy.
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Shi RJ, Fan HY, Yu XH, Tang YL, Jiang J, Liang XH. Advances of podophyllotoxin and its derivatives: patterns and mechanisms. Biochem Pharmacol 2022; 200:115039. [DOI: 10.1016/j.bcp.2022.115039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/07/2022] [Accepted: 04/08/2022] [Indexed: 11/28/2022]
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Mottaghi S, Abbaszadeh H. Natural Lignans Honokiol and Magnolol as Potential Anticarcinogenic and Anticancer Agents. A Comprehensive Mechanistic Review. Nutr Cancer 2021; 74:761-778. [PMID: 34047218 DOI: 10.1080/01635581.2021.1931364] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Plant lignans constitute an important group of polyphenols, which have been demonstrated to significantly induce cancer cell death and suppress cancer cell proliferation with minimal toxicity against non-transformed cells. Numerous epidemiological studies have shown that the intake of lignans is associated with lower risk of several cancers. These natural compounds have the potential to inhibit carcinogenesis, tumor growth, and metastasis by targeting various signaling molecules and pathways. Growing evidence indicates that honokiol and magnolol as natural lignans possess potent anticancer activities against various types of human cancer. The aim of present review is to provide the reader with the newest findings in understanding the cellular and molecular mechanisms mediating anticancer effects of honokiol and magnolol. This review comprehensively elucidates the effects of honokiol and magnolol on the molecular targets and signal transduction pathways implicated in cancer cell proliferation and metastasis. The findings of current review indicate that honokiol and magnolol can be considered as promising carcinopreventive and anticancer agents.
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Affiliation(s)
- Sayeh Mottaghi
- Department of Pediatrics, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hassan Abbaszadeh
- Department of Pharmacology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Utilisation of Chick Embryo Chorioallantoic Membrane as a Model Platform for Imaging-Navigated Biomedical Research. Cells 2021; 10:cells10020463. [PMID: 33671534 PMCID: PMC7926796 DOI: 10.3390/cells10020463] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/15/2021] [Accepted: 02/19/2021] [Indexed: 02/07/2023] Open
Abstract
The fertilised chick egg and particularly its chorioallantoic membrane (CAM) have drawn continuing interest in biomedicine and bioengineering fields, especially for research on vascular study, cancer, drug screening and development, cell factors, stem cells, etc. This literature review systemically introduces the CAM's structural evolution, functions, vascular features and the circulation system, and cell regulatory factors. It also presents the major and updated applications of the CAM in assays for pharmacokinetics and biodistribution, drug efficacy and toxicology testing/screening in preclinical pharmacological research. The time course of CAM applications for different assays and their advantages and limitations are summarised. Among these applications, two aspects are emphasised: (1) potential utility of the CAM for preclinical studies on vascular-disrupting agents (VDAs), promising for anti-cancer vascular-targeted therapy, and (2) modern imaging technologies, including modalities and their applications for real-time visualisation, monitoring and evaluation of the changes in CAM vasculature as well as the interactions occurring after introducing the tested medical, pharmaceutical and biological agents into the system. The aim of this article is to help those working in the biomedical field to familiarise themselves with the chick embryo CAM as an alternative platform and to utilise it to design and optimise experimental settings for their specific research topics.
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Hsu SK, Chang WT, Lin IL, Chen YF, Padalwar NB, Cheng KC, Teng YN, Wang CH, Chiu CC. The Role of Necroptosis in ROS-Mediated Cancer Therapies and Its Promising Applications. Cancers (Basel) 2020; 12:E2185. [PMID: 32764483 PMCID: PMC7465132 DOI: 10.3390/cancers12082185] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 07/30/2020] [Indexed: 02/07/2023] Open
Abstract
Over the past decades, promising therapies targeting different signaling pathways have emerged. Among these pathways, apoptosis has been well investigated and targeted to design diverse chemotherapies. However, some patients are chemoresistant to these therapies due to compromised apoptotic cell death. Hence, exploring alternative treatments aimed at different mechanisms of cell death seems to be a potential strategy for bypassing impaired apoptotic cell death. Emerging evidence has shown that necroptosis, a caspase-independent form of cell death with features between apoptosis and necrosis, can overcome the predicament of drug resistance. Furthermore, previous studies have also indicated that there is a close correlation between necroptosis and reactive oxygen species (ROS); both necroptosis and ROS play significant roles both under human physiological conditions such as the regulation of inflammation and in cancer biology. Several small molecules used in experiments and clinical practice eliminate cancer cells via the modulation of ROS and necroptosis. The molecular mechanisms of these promising therapies are discussed in detail in this review.
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Affiliation(s)
- Sheng-Kai Hsu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
| | - Wen-Tsan Chang
- Department of Surgery, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Division of General and Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - I-Ling Lin
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Yih-Fung Chen
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
| | - Nitin Balkrushna Padalwar
- Department of Chemistry, National Institute of Technology Tiruchirappalli, Tiruchirappalli 620015, Tamilnadu, India;
| | - Kai-Chun Cheng
- Department of Ophthalmology, Kaohsiung Municipal Hsiaokang Hospital, Kaohsiung 812, Taiwan;
- Department of Ophthalmology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Yen-Ni Teng
- Department of Biological Sciences and Technology, National University of Tainan, Tainan 700, Taiwan;
| | - Chi-Huei Wang
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- The Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Fakhri S, Abbaszadeh F, Jorjani M, Pourgholami MH. The effects of anticancer medicinal herbs on vascular endothelial growth factor based on pharmacological aspects: a review study. Nutr Cancer 2019; 73:1-15. [DOI: 10.1080/01635581.2019.1673451] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Abbaszadeh
- Department of Neuroscience, Faculty of Advanced Technologies in Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoumeh Jorjani
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Structural Characterization and Anti-Proliferation Activities Against Tumor Cells of an Arabinogalactan from Juniperus convallium. Molecules 2019; 24:molecules24101850. [PMID: 31091760 PMCID: PMC6571648 DOI: 10.3390/molecules24101850] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 05/10/2019] [Accepted: 05/14/2019] [Indexed: 11/16/2022] Open
Abstract
As a hyperproliferative disorder, cancer has continued to be a major public health challenge. In the present study, a polysaccharide JC-PS1 was isolated and purified from Juniperus convallium. JC-PS1 is a heteropolysaccharide composed of Ara, Gal, GalA and Rha with the average molecular weight of 280 kDa. Based on the methylation and 2D NMR analysis, JC-PS1 was elucidated as a backbone of →5)-α-Araf-(1→ and →3,5)-α-Araf-(1→, and three kinds of branches attached to the O-3 position of →3,5)-α-Araf-(1→, including β-GalpA-(1→3)-β-Galp-(1→, α-Araf-(1→3)-α-Rhap-(1→ and α-Araf-(1→3)-β-Galp-(1→. Accordingly, the atomic force microscopy of JC-PS1 showed a linear filamentous structure with small proportion of branches. Furthermore, JC-PS1 exhibited significant anti-proliferation activities against PANC-1, A431, MDA-MB-231, U118MG and H1975 cells with the IC50 values of 296.8, 477.9, 657.4, 686.7 and 862.1 μg/mL, respectively. This indicated that JC-PS1 could be a potential therapeutic agent for the treatment of cancer.
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Tavares WR, Seca AML. The Current Status of the Pharmaceutical Potential of Juniperus L. Metabolites. MEDICINES 2018; 5:medicines5030081. [PMID: 30065158 PMCID: PMC6165314 DOI: 10.3390/medicines5030081] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 07/16/2018] [Accepted: 07/20/2018] [Indexed: 12/27/2022]
Abstract
Background: Plants and their derived natural compounds possess various biological and therapeutic properties, which turns them into an increasing topic of interest and research. Juniperus genus is diverse in species, with several traditional medicines reported, and rich in natural compounds with potential for development of new drugs. Methods: The research for this review were based in the Scopus and Web of Science databases using terms combining Juniperus, secondary metabolites names, and biological activities. This is not an exhaustive review of Juniperus compounds with biological activities, but rather a critical selection taking into account the following criteria: (i) studies involving the most recent methodologies for quantitative evaluation of biological activities; and (ii) the compounds with the highest number of studies published in the last four years. Results: From Juniperus species, several diterpenes, flavonoids, and one lignan were emphasized taking into account their level of activity against several targets. Antitumor activity is by far the most studied, being followed by antibacterial and antiviral activities. Deoxypodophyllotoxin and one dehydroabietic acid derivative appears to be the most promising lead compounds. Conclusions: This review demonstrates the Juniperus species value as a source of secondary metabolites with relevant pharmaceutical potential.
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Affiliation(s)
- Wilson R Tavares
- Faculty of Sciences and Technology, University of Azores, 9501-801 Ponta Delgada, Portugal.
| | - Ana M L Seca
- Department of Chemistry & QOPNA-Organic Chemistry, Natural Products and Food Stuffs, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal.
- cE3c-Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group & Faculty of Sciences and Technology, University of Azores, Rua Mãe de Deus, 9501-321 Ponta Delgada, Portugal.
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Chen Y, Zhao K, Liu F, Li Y, Zhong Z, Hong S, Liu X, Liu L. Predicting Antitumor Effect of Deoxypodophyllotoxin in NCI-H460 Tumor-Bearing Mice on the Basis of In Vitro Pharmacodynamics and a Physiologically Based Pharmacokinetic-Pharmacodynamic Model. Drug Metab Dispos 2018; 46:897-907. [DOI: 10.1124/dmd.117.079830] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 04/02/2018] [Indexed: 11/22/2022] Open
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Markelc B, Bellard E, Sersa G, Jesenko T, Pelofy S, Teissié J, Frangez R, Rols MP, Cemazar M, Golzio M. Increased permeability of blood vessels after reversible electroporation is facilitated by alterations in endothelial cell-to-cell junctions. J Control Release 2018; 276:30-41. [PMID: 29476881 DOI: 10.1016/j.jconrel.2018.02.032] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/24/2018] [Accepted: 02/19/2018] [Indexed: 12/18/2022]
Abstract
Delivery of electric field pulses, i.e. electroporation (EP), to tissues has been shown to have a blood flow modifying effect. Indeed, the diameter of blood vessels exposed to EP is immediately reduced resulting in blood flow abrogation, followed by an increase in vascular permeability. The main cause of the increased permeability remains unknown. The aim of this study was to determine whether the in vivo effects of EP on permeability of blood vessels are linked to the permeabilization of endothelial cells' membrane (EC) and/or disruption of cell-to-cell junctions. We used a dorsal window chamber model in C57Bl/6 mice coupled with multiphoton microscopy and fluorescently labelled antibodies against PECAM-1 (CD31) to visualize endothelial cell-to-cell junctions. Clinically validated EP parameters were used and behavior of cell-to-cell junctions, in combination with leakage of 70 kDa fluorescein isothiocyanate labelled dextran (FD), was followed in time. After EP, a constriction of blood vessels was observed and correlated with the change in the shape of ECs. This was followed by an increase in permeability of blood vessels for 70 kDa FD and a decrease in the volume of labelled cell-to-cell junctions. Both parameters returned to pre-treatment values in 50% of mice. For the remaining 50%, we hypothesize that disruption of cell-to-cell junctions after EP may trigger the platelet activation cascade. Our findings show for the first time in vivo that alterations in cell-to-cell junctions play an important role in the response of blood vessels to EP and explain their efficient permeabilization.
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Affiliation(s)
- Bostjan Markelc
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, BP 64182, 205 Route de Narbonne, F-31077, France; Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI-1000 Ljubljana, Slovenia
| | - Elisabeth Bellard
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, BP 64182, 205 Route de Narbonne, F-31077, France
| | - Gregor Sersa
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI-1000 Ljubljana, Slovenia
| | - Tanja Jesenko
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI-1000 Ljubljana, Slovenia
| | - Sandrine Pelofy
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, BP 64182, 205 Route de Narbonne, F-31077, France
| | - Justin Teissié
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, BP 64182, 205 Route de Narbonne, F-31077, France
| | - Robert Frangez
- Institute of Preclinical Sciences, Veterinary Faculty, University of Ljubljana, Gerbiceva 60, SI-1000 Ljubljana, Slovenia
| | - Marie-Pierre Rols
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, BP 64182, 205 Route de Narbonne, F-31077, France
| | - Maja Cemazar
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI-1000 Ljubljana, Slovenia; University of Primorska, Faculty of Health Sciences, Polje 42, SI-6310 Izola, Slovenia.
| | - Muriel Golzio
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, BP 64182, 205 Route de Narbonne, F-31077, France.
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15
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Xiang R, Guan XW, Hui L, Jin YX, Chen SW. Investigation of the anti-angiogenesis effects induced by deoxypodophyllotoxin-5-FU conjugate C069 against HUVE cells. Bioorg Med Chem Lett 2017; 27:713-717. [PMID: 28129979 DOI: 10.1016/j.bmcl.2017.01.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 12/27/2016] [Accepted: 01/14/2017] [Indexed: 12/14/2022]
Abstract
We have found that the deoxypodophyllotoxin-5-fluorouracil conjugate, 4'-O-demethyl-4-deoxyppodophyllotoxin-4'-yl 4-((6-(2-(5-fluorouracil-yl)acetamido) hexyl)amino)-4-oxobutanoate (C069), possessed superior cytotoxicities and less toxicity compared with etoposide. In this paper, the anti-angiogenic and vascular disrupting activities of C069 were examined with several in vitro and in vivo models. First, we demonstrated that C069 significantly inhibited the proliferation, migration, tube formation and disrupted the formed tube-like structures of HUVE cells, and inhibited angiogenesis in chicken chorioallantoic membrane assay. Furthermore, we found that C069 inhibited tube formation of HUVE cells by down-regulating the MMP-2, MMP-9, and phosphorylation of Akt and β-catenin. These results provided the initial evidence that C069 exerts potent anti-angiogenic and vascular disrupting effects.
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Affiliation(s)
- Rong Xiang
- Department of Medicinal, Second Clinical Hospital of Northwest University for Nationalities & Second Provincial People's Hospital, Lanzhou 730000, PR China.
| | - Xiao-Wen Guan
- School of Pharmacy, Lanzhou University, Lanzhou 730000, PR China
| | - Ling Hui
- Experimental Center of Medicine, General Hospital of Lanzhou Military Command, Lanzhou 730050, PR China
| | - Yong-Xin Jin
- Department of Medicinal, Second Clinical Hospital of Northwest University for Nationalities & Second Provincial People's Hospital, Lanzhou 730000, PR China
| | - Shi-Wu Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, PR China.
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16
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Deoxypodophyllotoxin suppresses tumor vasculature in HUVECs by promoting cytoskeleton remodeling through LKB1-AMPK dependent Rho A activatio. Oncotarget 2016; 6:29497-512. [PMID: 26470595 PMCID: PMC4745742 DOI: 10.18632/oncotarget.4985] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 07/16/2015] [Indexed: 02/06/2023] Open
Abstract
Angiogenesis plays a critical role in the growth and metastasis of tumors, which makes it an attractive target for anti-tumor drug development. Deoxypodophyllotoxin (DPT), a natural product isolated from Anthriscus sylvestris, inhibits cell proliferation and migration in various cancer cell types. Our previous studies indicate that DPT possesses both anti-angiogenic and vascular-disrupting activities. Although the RhoA/ RhoA kinase (ROCK) signaling pathway is implicated in DPT-stimulated cytoskeleton remodeling and tumor vasculature suppressing, the detailed mechanisms by which DPT mediates these effects are poorly understood. In the current study, we found that DPT promotes cytoskeleton remodeling in human umbilical vein endothelial cells (HUVECs) via stimulation of AMP-activated protein kinase (AMPK) and that this effect is abolished by either treatment with a selective AMPK inhibitor or knockdown. Moreover, the cellular levels of LKB1, a kinase upstream of AMPK, were enhanced following DPT exposure. DPT-induced activation of AMPK in tumor vasculature effect was also verified by transgenic zebrafish (VEGFR2:GFP), Matrigel plug assay, and xenograft model in nude mice. The present findings may lay the groundwork for a novel therapeutic approach in treating cancer.
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17
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Antiangiogenic and antihepatocellular carcinoma activities of the Juniperus chinensis extract. Altern Ther Health Med 2016; 16:277. [PMID: 27502492 PMCID: PMC4977662 DOI: 10.1186/s12906-016-1250-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 07/26/2016] [Indexed: 12/12/2022]
Abstract
Background To identify a novel therapeutic agent for hepatocellular carcinoma (HCC), for which no promising therapeutic agent exists, we screened a panel of plants and found that Juniperus chinensis exhibited potential antiangiogenic and anti-HCC activities. We further investigated the antiangiogenic and anti-HCC effects of the active ingredient of J. chinensis extract, CBT-143-S-F6F7, both in vitro and in vivo. Methods A tube formation assay conducted using human umbilical vein endothelial cells (HUVECs) was first performed to identify the active ingredient of CBT-143-S-F6F7. A series of angiogenesis studies, including HUVEC migration, Matrigel plug, and chorioallantoic membrane (CAM) assays, were then performed to confirm the effects of CBT-143-S-F6F7 on angiogenesis. The effects of CBT-143-S-F6F7 on tumor growth were investigated using a subcutaneous and orthotopic mouse model of HCC. In vitro studies were performed to investigate the effects of CBT-143-S-F6F7 on the cell cycle and apoptosis in HCC cells. Moreover, protein arrays for angiogenesis and apoptosis were used to discover biomarkers that may be influenced by CBT-143-S-F6F7. Finally, nuclear magnetic resonance analysis was conducted to identify the compounds of CBT-143-S-F6F7. Results CBT-143-S-F6F7 showed significantly antiangiogenic activity in various assays, including HUVEC tube formation and migration, CAM, and Matrigel plug assays. In in vivo studies, gavage with CBT-143-S-F6F7 significantly repressed subcutaneous Huh7 tumor growth in severe combined immunodeficient (SCID) mice, and prolonged the survival of orthotopic Huh7 tumor-bearing SCID mice (a 40 % increase in median survival duration compared with the vehicle-treated mice). Immunohistochemical staining of subcutaneous Huh7 tumors in CBT-143-S-F6F7-treated mice showed a significantly decrease in the cell cycle regulatory protein cyclin D1, cellular proliferation marker Ki-67, and endothelial marker CD31. CBT-143-S-F6F7 caused arrest of the G2/M phase and induced Huh7 cell apoptosis, possibly contributing to the inhibition of HCC tumors. Protein array analysis revealed that several angiogenic and antiapoptotic factors were suppressed in CBT-143-S-F6F7-treated Huh7 cells. Finally, five compounds from CBT-143-S-F6F7 were identified. Conclusions According to these results, we report for the first time the antiangiogenic and anti-HCC activities of CBT-143-S-F6F7, the active fractional extract of J. chinensis. We believe that CBT-143-S-F6F7 warrants further evaluation as a new anti-HCC drug. Electronic supplementary material The online version of this article (doi:10.1186/s12906-016-1250-6) contains supplementary material, which is available to authorized users.
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18
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Pérez-Pérez MJ, Priego EM, Bueno O, Martins MS, Canela MD, Liekens S. Blocking Blood Flow to Solid Tumors by Destabilizing Tubulin: An Approach to Targeting Tumor Growth. J Med Chem 2016; 59:8685-8711. [DOI: 10.1021/acs.jmedchem.6b00463] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
| | - Eva-María Priego
- Instituto de Química Médica (IQM-CSIC), Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Oskía Bueno
- Instituto de Química Médica (IQM-CSIC), Juan de la Cierva 3, E-28006 Madrid, Spain
| | | | - María-Dolores Canela
- Instituto de Química Médica (IQM-CSIC), Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Sandra Liekens
- Rega
Institute for Medical Research, KU Leuven, B-3000 Leuven, Belgium
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19
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The anti-angiogenic effect and novel mechanisms of action of Combretastatin A-4. Sci Rep 2016; 6:28139. [PMID: 27338725 PMCID: PMC4919637 DOI: 10.1038/srep28139] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Accepted: 05/24/2016] [Indexed: 12/16/2022] Open
Abstract
Combretastatin A-4 (CA4) is the lead compound of a relatively new class of vascular disrupting agents that target existing tumor blood vessels. Recent studies showed the CA4 might inhibit angiogenesis. However, the underlying molecular mechanisms by which CA4 exerts its anti-angiogenic effects are not fully understood. In this study, we revealed that CA4 inhibited vascular endothelial growth factor (VEGF)-induced proliferation, migration and capillary-like tube formation of human umbilical vascular endothelial cells (HUVECs). In in vivo assay, CA4 suppressed neovascularization in chicken chorioallantoic membrane (CAM) model and decreased the microvessel density in tumor tissues of a breast cancer MCF-7 xenograft mouse model. In addition, CA4 decreased the expression level and secretion of VEGF both in MCF-7 cells and HUVECs under hypoxia, as well as the activation of VEGFR-2 and its downstream signaling mediators following VEGF stimulation in HUVECs. Moreover, VEGF and VEGFR-2 expression in tumor tissues of the mouse xenograft model were down-regulated following CA4 treatment. Taken together, results from the current work provide clear evidence that CA4 functions in endothelial cell system to inhibit angiogenesis, at least in part, by attenuating VEGF/VEGFR-2 signaling pathway.
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20
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Tanaka M, Kuriyama S, Itoh G, Kohyama A, Iwabuchi Y, Shibata H, Yashiro M, Aiba N. Identification of anti-cancer chemical compounds using Xenopus embryos. Cancer Sci 2016; 107:803-11. [PMID: 27019404 PMCID: PMC4968590 DOI: 10.1111/cas.12940] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 03/22/2016] [Accepted: 03/28/2016] [Indexed: 01/23/2023] Open
Abstract
Cancer tissues have biological characteristics similar to those observed in embryos during development. Many types of cancer cells acquire pro-invasive ability through epithelial-mesenchymal transition (EMT). Similar processes (gastrulation and migration of cranial neural crest cells [CNCC]) are observed in the early stages of embryonic development in Xenopus during which cells that originate from epithelial sheets through EMT migrate to their final destinations. The present study examined Xenopus embryonic tissues to identify anti-cancer compounds that prevent cancer invasion. From the initial test of known anti-cancer drugs, AMD3100 (an inhibitor of CXCR4) and paclitaxel (a cytoskeletal drug targeting microtubules) effectively prevented migration during gastrulation or CNCC development. Blind-screening of 100 synthesized chemical compounds was performed, and nine candidates that inhibited migration of these embryonic tissues without embryonic lethality were selected. Of these, C-157 (an analog of podophyllotoxin) and D-572 (which is an indole alkaroid) prevented cancer cell invasion through disruption of interphase microtubules. In addition, these compounds affected progression of mitotic phase and induced apoptosis of SAS oral cancer cells. SAS tumors were reduced in size after intratumoral injection of C-157, and peritoneal dissemination of melanoma cells and intracranial invasion of glioma cells were inhibited by C-157 and D-572. When the other analogues of these chemicals were compared, those with subtle effect on embryos were not tumor suppressive. These results suggest that a novel chemical-screening approach based on Xenopus embryos is an effective method for isolating anti-cancer drugs and, in particular, targeting cancer cell invasion and proliferation.
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Affiliation(s)
- Masamitsu Tanaka
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
| | - Sei Kuriyama
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
| | - Go Itoh
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
| | - Aki Kohyama
- Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Yoshiharu Iwabuchi
- Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Hiroyuki Shibata
- Department of Clinical Oncology, Akita University Graduate School of Medicine, Akita, Japan
| | - Masakazu Yashiro
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Namiko Aiba
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, Akita, Japan
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21
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Guan XW, Xu XH, Feng SL, Tang ZB, Chen SW, Hui L. Synthesis of hybrid 4-deoxypodophyllotoxin-5-fluorouracil compounds that inhibit cellular migration and induce cell cycle arrest. Bioorg Med Chem Lett 2016; 26:1561-1566. [PMID: 26873416 DOI: 10.1016/j.bmcl.2016.02.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 01/26/2016] [Accepted: 02/05/2016] [Indexed: 01/12/2023]
Abstract
A series of deoxypodophyllotoxin-5-fluorouracil hybrid compounds were synthesized, and their cytotoxic activity was evaluated using four human cancer cell lines (HeLa, A549, HCT-8, and HepG2) and the human normal cell line WI-38. The synthesized compounds exhibited greater cytotoxic activity in tumor cells and reduced toxicity in the normal cell line compared with the anticancer drug VP-16 and 5-FU. Additionally, the most potent of these compounds-4'-O-demethyl-4-deoxypodophyllotoxin-4'-yl 4-((6-(2-(5-fluorouracil-yl) acetamido) hexyl) amino)-4-oxobutanoate (compound 22)-induced cell-cycle arrest in the G2/M phase by regulating levels of cdc2, cyclinB1, and p-cdc2 in A549 cells. Furthermore, compound 22 may inhibited the migration of A549 cells via down-regulation of MMP-9 and up-regulation of TIMP-1.
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Affiliation(s)
- Xiao-Wen Guan
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Xiao-Hui Xu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Shi-Liang Feng
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Zhen-Bo Tang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Shi-Wu Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China.
| | - Ling Hui
- Experimental Center of Medicine, General Hospital of Lanzhou Military Command, Lanzhou 730050, China; Key Laboratory of Stem Cells and Gene Drug of Gansu Province, General Hospital of Lanzhou Military Command, Lanzhou 730050, China
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22
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Hui L, Sang C, Wang D, Wang X, Wang M, Jia Q, Ma M, Chen S. Newly synthesized podophyllotoxin derivative, LJ12, induces apoptosis and mitotic catastrophe in non-small cell lung cancer cells in vitro. Mol Med Rep 2015; 13:339-46. [PMID: 26573436 DOI: 10.3892/mmr.2015.4561] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 10/14/2015] [Indexed: 11/05/2022] Open
Abstract
Deoxypodophyllotoxin (DPT), an active compound isolated from a number of herbs and used in traditional medicine, has been reported to exhibit promising anti‑tumor activity. A newly synthesized derivative, N-(1-oxyl‑4'-demethyl-4-deoxyp odophyllic)-L‑methine-4'-piperazine carbamate (LJ12) may have improved antitumor activity and fewer side effects. The present study assessed the effect of LJ12 on cell viability, apoptosis, cell cycle distribution and mitotic catastrophe in A549 human lung cancer cells in vitro. The molecular mechanisms underlying the antitumor activity of LJ12 were also examined. The results demonstrated that LJ12 reduced A549 cell viability in a time‑ and dose‑dependent manner, with a lower half maximal inhibitory concentration of ~0.1 µM, compared with another known DPT derivative, etoposide (10 µM). Flow cytometric analysis showed that LJ12 induced tumor cell arrest at the G2/M phase of the cell cycle. The present study also observed an expected concomitant decrease in the numbers of cells cells in the G0/G1 and S phases. LJ12 was found to upregulate the protein expression levels of Cdc2 and Cyclin B1. Furthermore, LJ12 induced tumor cell apoptosis and the protein expression of B cell lymphoma‑2‑associated X protein, caspase‑3 and p53. The present study also observed the formation of giant, multinucleated cells, indicating that LJ12 induced mitotic catastrophe in the tumor cells. These results indicated that LJ12 has anti‑non‑small cell lung cancer activity in vitro. Further investigations aim to develop LJ12 as a therapeutic agent for the treatment of lung cancer.
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Affiliation(s)
- Ling Hui
- Experimental Center of Medicine, General Hospital of Lanzhou Military Area Command, Lanzhou, Gansu 730050, P.R. China
| | - Chunyan Sang
- Experimental Center of Medicine, General Hospital of Lanzhou Military Area Command, Lanzhou, Gansu 730050, P.R. China
| | - Donghong Wang
- Experimental Center of Medicine, General Hospital of Lanzhou Military Area Command, Lanzhou, Gansu 730050, P.R. China
| | - Xiaohui Wang
- Experimental Center of Medicine, General Hospital of Lanzhou Military Area Command, Lanzhou, Gansu 730050, P.R. China
| | - Meiliang Wang
- Experimental Center of Medicine, General Hospital of Lanzhou Military Area Command, Lanzhou, Gansu 730050, P.R. China
| | - Qinghua Jia
- Experimental Center of Medicine, General Hospital of Lanzhou Military Area Command, Lanzhou, Gansu 730050, P.R. China
| | - Mingren Ma
- Experimental Center of Medicine, General Hospital of Lanzhou Military Area Command, Lanzhou, Gansu 730050, P.R. China
| | - Shiwu Chen
- School of Pharmacy, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
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23
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Ethnomedicinal, Phytochemical and Pharmacological Profile of Anthriscus sylvestris as an Alternative Source for Anticancer Lignans. Molecules 2015; 20:15003-22. [PMID: 26287153 PMCID: PMC6331990 DOI: 10.3390/molecules200815003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 08/06/2015] [Accepted: 08/11/2015] [Indexed: 11/17/2022] Open
Abstract
Anthriscus sylvestris (L.) Hoffm. is a wild herbaceous plant common in most temperate regions. It has been used traditionally to treat headaches, as a tonic, as antitussive, antipyretic, analgesic and diuretic. The plant contains deoxypodophyllotoxin, which is proven to have antitumor and anti-proliferative effects, anti-platelet aggregation, antiviral, anti-inflammatory and insecticidal activity. Deoxypodophyllotoxin is considered to be the plant’s most important constituent, because of its pharmacological properties and because it can be converted into epipodophyllotoxin, the main raw material for the semisynthesis of the cytostatic agents etoposide and teniposide. This work summarizes for the first time the results related to the botanical description, distribution and habitat, phytochemical and pharmacological properties and emphasizes the aspects for future biotechnological research to establish its utility in the therapeutic arsenal.
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24
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The chicken chorioallantoic membrane model in biology, medicine and bioengineering. Angiogenesis 2014; 17:779-804. [PMID: 25138280 DOI: 10.1007/s10456-014-9440-7] [Citation(s) in RCA: 289] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Accepted: 08/13/2014] [Indexed: 01/16/2023]
Abstract
The chicken chorioallantoic membrane (CAM) is a simple, highly vascularized extraembryonic membrane, which performs multiple functions during embryonic development, including but not restricted to gas exchange. Over the last two decades, interest in the CAM as a robust experimental platform to study blood vessels has been shared by specialists working in bioengineering, development, morphology, biochemistry, transplant biology, cancer research and drug development. The tissue composition and accessibility of the CAM for experimental manipulation, makes it an attractive preclinical in vivo model for drug screening and/or for studies of vascular growth. In this article we provide a detailed review of the use of the CAM to study vascular biology and response of blood vessels to a variety of agonists. We also present distinct cultivation protocols discussing their advantages and limitations and provide a summarized update on the use of the CAM in vascular imaging, drug delivery, pharmacokinetics and toxicology.
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