1
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Boyce GR, Musolino SF, Yang J, Smith AD, Taylor JE. Arylboronic Acid-Catalyzed Racemization of Secondary and Tertiary Alcohols. J Org Chem 2022; 87:13367-13374. [PMID: 36075004 PMCID: PMC9552221 DOI: 10.1021/acs.joc.2c01602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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The use of 2-carboxyphenylboronic acid (5 mol %) and
oxalic acid
(10 mol %) with 2-butanone as a solvent for the racemization of a
range of enantiomerically pure secondary and tertiary alcohols is
demonstrated. The process is postulated to proceed via reversible
Brønsted acid-catalyzed C–O bond cleavage through an achiral
carbocation intermediate.
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Affiliation(s)
- Gregory R Boyce
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K.,Department of Chemistry and Physics, Florida Gulf Coast University, Fort Myers, Florida 33965, United States
| | - Stefania F Musolino
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K
| | - Jianing Yang
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K
| | - Andrew D Smith
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K
| | - James E Taylor
- Department of Chemistry, University of Bath, Claverton Down, Bath, Somerset BA2 7AY, U.K
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2
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Tremblay T, St-Gelais J, Houde M, Giguère D. Polyfluoroglycoside Synthesis via Simple Alkylation of an Anomeric Hydroxyl Group: Access to Fluoroetoposide Analogues. J Org Chem 2021; 86:4812-4824. [DOI: 10.1021/acs.joc.0c02841] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Thomas Tremblay
- Département de Chimie, Université Laval, PROTEO, 1045 av. De la Médecine, Québec City, QC, Canada G1 V 0A6
| | - Jacob St-Gelais
- Département de Chimie, Université Laval, PROTEO, 1045 av. De la Médecine, Québec City, QC, Canada G1 V 0A6
| | - Maxime Houde
- Département de Chimie, Université Laval, PROTEO, 1045 av. De la Médecine, Québec City, QC, Canada G1 V 0A6
| | - Denis Giguère
- Département de Chimie, Université Laval, PROTEO, 1045 av. De la Médecine, Québec City, QC, Canada G1 V 0A6
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3
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Nourbakhsh M, Farzaneh S, Taghikhani A, Zarghi A, Noori S. The Effect of a Newly Synthesized Ferrocene Derivative against MCF-7 Breast Cancer Cells and Spheroid Stem Cells through ROS Production and Inhibition of JAK2/STAT3 Signaling Pathway. Anticancer Agents Med Chem 2020; 20:875-886. [DOI: 10.2174/1871520620666200101151743] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 10/11/2019] [Accepted: 11/20/2019] [Indexed: 12/31/2022]
Abstract
Background:
Breast Cancer Stem Cells (BCSCs) possess the ability of self-renewal and cellular
heterogeneity, and therefore, play a key role in the initiation, propagation and clinical outcome of breast cancer.
It has been shown that ferrocene complexes have remarkable potential as anticancer drugs.
Objective:
The present study was conducted to investigate the effects of a novel ferrocene complex, 1-
ferrocenyl-3-(4-methylsulfonylphenyl)propen-1-one (FMSP) on MCF-7 breast cancer cell line and its derived
mammospheres with cancer stem cell properties.
Methods:
Mammospheres were developed from MCF-7 cells and validated by the evaluation of CD44 and
CD24 cell surface markers by flow cytometry as well as of the expression of genes that are associated with stem
cell properties by real-time PCR. Cells viability was assessed by a soluble tetrazolium salt (MTS) after the
treatment of cells with various concentrations of FMSP. Apoptosis was evaluated by flow cytometry analysis of
annexin V and PI labeling of cells. Reactive Oxygen Species (ROS) production was measured using a cellpermeable,
oxidant-sensitive fluorescence probe (carboxy-H2DCFDA). The involvement of the JAK2/STAT3
pathway was also investigated by western blotting.
Results:
FMSP could successfully prevent mammosphere formation from differentiated MCF-7 cells and significantly
down-regulated the expression of genes involved in the production of the stem cell properties including
Wnt1, Notch1, β -catenin, SOX2, CXCR4 and ALDH1A1. FMSP decreased cell viability in both MCF-7
cells and spheroid cells, although MCF-10A cells were unaffected by this compound. Apoptosis was also dramatically
induced by FMSP, via ROS production but independent of CD95 activation. Phosphorylation levels of
JAK2 and STAT3 were also found to be significantly attenuated even in the presence of IL-6, the putative activator
of the JAK/STAT pathway.
Conclusion:
FMSP can effectively target BCSCs via ROS production and modulation of major signaling pathways
that contribute to the stemness of breast cancer cells, and therefore, might be considered a promising anticancer
agent after in vivo studies.
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Affiliation(s)
- Mitra Nourbakhsh
- Department of Biochemistry, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Shabnam Farzaneh
- Department of Pharmaceutical Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Adeleh Taghikhani
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Afshin Zarghi
- Department of Pharmaceutical Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shokoofe Noori
- Department of Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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4
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Che ZP, Tian YE, Liu SM, Jiang J, Hu M, Chen GQ. Stereoselective synthesis of 4β-acyloxypodophyllotoxin derivatives as insecticidal agents. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2019; 21:1028-1041. [PMID: 29974799 DOI: 10.1080/10286020.2018.1490275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 06/14/2018] [Indexed: 06/08/2023]
Abstract
As our ongoing work on research of natural-product-based insecticidal agents, some 4α/β-acyloxypodophyllotoxin derivatives were synthesized, and were evaluated against the pre-third-instar larvae of B. mori, A. dissimilis and M. separate in vivo at the concentration of 1 mg ml-1, respectively. Among all derivatives, compounds 2 g, h and 4c, d showed more promising insecticidal activities than their precursors - podophyllotoxin and epipodophyllotoxin. Furthermore, derivatives 2 g, h and 4c, d exhibited more relative amicable activities than their precursors - podophyllotoxin and epipodophyllotoxin. This results indicated that 4β-acyloxy moiety in the podophyllotoxin derivatives was significant for obtaining the more potent compounds.
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Affiliation(s)
- Zhi-Ping Che
- Laboratory of Pharmaceutical Design & Synthesis, Department of Plant Protection, College of Forestry, Henan University of Science and Technology , Luoyang 471003 , China
| | - Yue-E Tian
- Laboratory of Pharmaceutical Design & Synthesis, Department of Plant Protection, College of Forestry, Henan University of Science and Technology , Luoyang 471003 , China
| | - Sheng-Ming Liu
- Laboratory of Pharmaceutical Design & Synthesis, Department of Plant Protection, College of Forestry, Henan University of Science and Technology , Luoyang 471003 , China
| | - Jia Jiang
- Laboratory of Pharmaceutical Design & Synthesis, Department of Plant Protection, College of Forestry, Henan University of Science and Technology , Luoyang 471003 , China
| | - Mei Hu
- Laboratory of Pharmaceutical Design & Synthesis, Department of Plant Protection, College of Forestry, Henan University of Science and Technology , Luoyang 471003 , China
| | - Gen-Qiang Chen
- Laboratory of Pharmaceutical Design & Synthesis, Department of Plant Protection, College of Forestry, Henan University of Science and Technology , Luoyang 471003 , China
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5
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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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6
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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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7
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Podophyllum derivatives containing fluorine atom in the 3-position of 2-aminopyridine improved the antitumor activity by inducing P53-dependent apoptosis. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1841-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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8
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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: 137] [Impact Index Per Article: 19.6] [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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9
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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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10
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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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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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12
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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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13
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SAR analysis and biological studies of synthesized podophyllum derivates obtained by N linkage modification at C-4 position. Bioorg Med Chem 2014; 22:6183-92. [DOI: 10.1016/j.bmc.2014.08.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 08/21/2014] [Accepted: 08/22/2014] [Indexed: 11/21/2022]
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14
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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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15
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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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16
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He S, Shao Y, Fan L, Che Z, Xu H, Zhi X, Wang J, Yao X, Qu H. Synthesis and quantitative structure-activity relationship (QSAR) study of novel 4-acyloxypodophyllotoxin derivatives modified in the A and C rings as insecticidal agents. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:618-625. [PMID: 23278333 DOI: 10.1021/jf305011n] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
In continuation of our program aimed at the discovery and development of natural-product-based insecticidal agents, we have synthesized three series of novel 4-acyloxy compounds derived from podophyllotoxin modified in the A and C rings, which is isolated as the main secondary metabolite from the roots and rhizomes of Podophyllum hexandrum . Their insecticidal activity was preliminarily evaluated against the pre-third-instar larvae of Mythimna separata in vivo. Compound 9g displayed the best promising insecticidal activity. It revealed that cleavage of the 6,7-methylenedioxy group of podophyllotoxin will lead to a less active compound and that the C-4 position of podophyllotoxin was the important modification location. A quantitative structure-activity relationship (QSAR) model was developed by genetic algorithm combined with multiple linear regression (GA-MLR). For this model, the squared correlation coefficient (R(2)) is 0.914, the leave-one-out cross-validation correlation coefficient (Q(2)(LOO)) is 0.881, and the root-mean-square error (RMSE) is 0.024. Five descriptors, BEHm2, Mor14v, Wap, G1v, and RDF020e, are likely to influence the biological activity of these compounds. Among them, two important ones are BEHm2 and Mor14v. This study will pave the way for further design, structural modification, and development of podophyllotoxin derivatives as insecticidal agents.
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Affiliation(s)
- Shuzhen He
- Laboratory of Pharmaceutical Design and Synthesis, College of Sciences, Northwest A&F University, Yangling, Shannxi Province, People's Republic of China
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17
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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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18
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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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19
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Chengniu W, Zhonghua W, Yu Z, Chunyan N, Xiaodong Z, Li Z. Synthesis and Cytotoxicity Evaluation of Novel Podophyllotoxin Derivatives. Arch Pharm (Weinheim) 2011; 344:735-40. [DOI: 10.1002/ardp.201100095] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2011] [Revised: 04/16/2011] [Accepted: 04/20/2011] [Indexed: 11/10/2022]
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20
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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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21
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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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22
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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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23
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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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24
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Synthesis and biological evaluation of new 4β-anilino-4′-O-demethyl-4-desoxypodophyllotoxin derivatives as potential antitumor agents. Eur J Med Chem 2011; 46:285-96. [DOI: 10.1016/j.ejmech.2010.11.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Revised: 11/05/2010] [Accepted: 11/11/2010] [Indexed: 11/17/2022]
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25
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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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26
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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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27
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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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28
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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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29
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Synthesis of succinic acid 12α-deoxoartemisinyl ester 4′-O-demethyl-4β-(4″-nitroanilino)-4-desoxypodophyllotoxin. Chem Nat Compd 2007. [DOI: 10.1007/s10600-007-0185-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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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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31
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Synthesis of advanced intermediates for the preparation of aza-analogues of podophyllotoxin. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.01.040] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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