1
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Li X, Zhang Y, Zhang T, Zhao L, Lin CG, Hu H, Zheng H. Tafazzin mediates tamoxifen resistance by regulating cellular phospholipid composition in ER-positive breast cancer. Cancer Gene Ther 2024; 31:69-81. [PMID: 37935981 DOI: 10.1038/s41417-023-00683-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 09/29/2023] [Accepted: 10/25/2023] [Indexed: 11/09/2023]
Abstract
Tamoxifen is the frontline therapeutic agent for the estrogen receptor-positive (ER + ) subtype of breast cancer patients, which accounts for 70-80% of total breast cancer incidents. However, clinical resistance to tamoxifen has become increasingly common, highlighting the need to identify the underlying cellular mechanisms. In our study, we employed a genome-scale CRISPR-Cas9 loss-of-function screen and validation experiments to discover that Tafazzin (TAZ), a mitochondrial transacylase, is crucial for maintaining the cellular sensitivity of ER+ breast cancer cells to tamoxifen and other chemotherapies. Mechanistically, we found that cardiolipin, whose synthesis and maturation rely on TAZ, is required to maintain cellular sensitivity to tamoxifen. Loss of metabolic enzymatic activity of TAZ causes ERα downregulation and therapy resistance. Interestingly, we observed that TAZ deficiency also led to the upregulation of lysophosphatidylcholine (LPC), which in turn suppressed ERα expression and nuclear localization, thereby contributing to tamoxifen resistance. LPC is further metabolized to lysophosphatidic acid (LPA), a bioactive molecule that supports cell survival. Thus, our findings suggest that the depletion of TAZ promotes tamoxifen resistance through an LPC-LPA phospholipid synthesis axis, and targeting this lipid metabolic pathway could restore cell susceptibility to tamoxifen treatment.
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Affiliation(s)
- Xuan Li
- State Key Laboratory of Molecular Oncology and Department of Basic Medical Sciences, School of Medicine, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Yuan Zhang
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, 100084, Beijing, China
| | - Tengjiang Zhang
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, 100084, Beijing, China
| | - Luyang Zhao
- State Key Laboratory of Molecular Oncology and Department of Basic Medical Sciences, School of Medicine, Tsinghua University, 100084, Beijing, China
| | - Christopher G Lin
- State Key Laboratory of Molecular Oncology and Department of Basic Medical Sciences, School of Medicine, Tsinghua University, 100084, Beijing, China
| | - Haitian Hu
- State Key Laboratory of Molecular Oncology and Department of Basic Medical Sciences, School of Medicine, Tsinghua University, 100084, Beijing, China
| | - Hanqiu Zheng
- State Key Laboratory of Molecular Oncology and Department of Basic Medical Sciences, School of Medicine, Tsinghua University, 100084, Beijing, China.
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2
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Chatterjee I, Ali K, Panda G. A Synthetic Overview of Benzoxazines and Benzoxazepines as Anticancer Agents. ChemMedChem 2023; 18:e202200617. [PMID: 36598081 DOI: 10.1002/cmdc.202200617] [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: 11/15/2022] [Revised: 12/27/2022] [Accepted: 12/30/2022] [Indexed: 01/05/2023]
Abstract
Benzoxazines and benzoxazepines are nitrogen and oxygen-containing six and seven-membered benzo-fused heterocyclic scaffolds, respectively. Benzoxazepines and benzoxazines are well-known pharmacophores in pharmaceutical chemistry, which are of significant interest and have been extensively studied because of their promising activity against various diseases including their wide range of anticancer activity. Several reports are known for synthesizing benzoxazine and benzoxazepine-based compounds in the literature. Herein this review provides a critical analysis of synthetic strategies towards benzoxazines and benzoxazepines along with various ranges of anticancer activities based on these molecules that have been reported from 2010 onwards. This review also focuses on the structure-activity relationship of the benzoxazine and benzoxazepine scaffolds containing bioactive compounds and describes how the structural modification affects their anticancer activity.
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Affiliation(s)
- Indranil Chatterjee
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute Sector-10, Jankipuram Extension, Lucknow, 226031, India
| | - Kasim Ali
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute Sector-10, Jankipuram Extension, Lucknow, 226031, India.,AcSIR-Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Gautam Panda
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute Sector-10, Jankipuram Extension, Lucknow, 226031, India.,AcSIR-Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
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3
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Jana AK, Singh J, Ganesher A, Kumar A, Banerjee A, Kumar D, Verma SK, Sharma AK, Bhatta RS, Konwar R, Panda G. Tyrosine-Derived Novel Benzoxazine Active in a Rat Syngenic Mammary Tumor Model of Breast Cancer. J Med Chem 2021; 64:16293-16316. [PMID: 34726897 DOI: 10.1021/acs.jmedchem.1c01624] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In continuing efforts of improving benzoxazepine derivatives as an anti-breast cancer agent, a new chemical entity, benzoxazine, was designed from scaffold morphing. Structure-activity relationship studies revealed that H, -OMe, -CF3, and -F were well tolerated on R1 and R2 positions of ring A, and R2 as -CH2CH2N(CH2)4 (N-ethyl pyrrolidine) and -CH2CH2N(CH2)5 (N-ethyl piperidine) chains on ring D increased activities (Series B, Figure 3). 13d selected as a lead compound (IC50: 0.20 to 0.65 μM) induces apoptosis, cell cycle arrest, and loss of mitochondrial membrane potential in breast cancer cells. Compound 13d was formulated into 13d-f using cyclodextrin to improve its solubility for a pharmacokinetic, in vivo efficacy study. Both 13d and 13d-f regressed tumor growth at concentrations of 5 and 20 mg/kg better than tamoxifen without any mortality in a rat syngenic mammary tumor model. Collectively, our data suggest that tyrosine-derived novel benzoxazine 13d could be a potential lead for the treatment of breast cancer and hence deserve further in-depth studies.
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Affiliation(s)
- Amit Kumar Jana
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh 226031, India
| | - Jyotsana Singh
- Endocrinology Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, Uttar Pradesh, India.,AcSIR-Academy of Scientific & Innovative Research, Ghaziabad 201002, Uttar Pradesh, India
| | - Asha Ganesher
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh 226031, India
| | - Amit Kumar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh 226031, India
| | - Arpita Banerjee
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh 226031, India
| | - Deepak Kumar
- Endocrinology Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, Uttar Pradesh, India
| | - Sarvesh Kumar Verma
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, Uttar Pradesh, India
| | - Ashok Kumar Sharma
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh 226031, India
| | - Rabi Sankar Bhatta
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, Uttar Pradesh, India
| | - Rituraj Konwar
- Endocrinology Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, Uttar Pradesh, India.,AcSIR-Academy of Scientific & Innovative Research, Ghaziabad 201002, Uttar Pradesh, India
| | - Gautam Panda
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, 10 Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh 226031, India.,AcSIR-Academy of Scientific & Innovative Research, Ghaziabad 201002, Uttar Pradesh, India
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4
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Agarwal S, Sau S, Iyer AK, Dixit A, Kashaw SK. Multiple strategies for the treatment of invasive breast carcinoma: A comprehensive prospective. Drug Discov Today 2021; 27:585-611. [PMID: 34715356 DOI: 10.1016/j.drudis.2021.10.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 08/10/2021] [Accepted: 10/19/2021] [Indexed: 01/22/2023]
Abstract
In this review, we emphasize on evolving therapeutic strategies and advances in the treatment of breast cancer (BC). This includes small-molecule inhibitors under preclinical and clinical investigation, phytoconstituents with antiproliferative potential, targeted therapies as antibodies and antibody-drug conjugates (ADCs), vaccines as immunotherapeutic agents and peptides as a novel approach inhibiting the interaction of oncogenic proteins. We provide an update of molecules under different phases of clinical investigation which aid in the identification of loopholes or shortcomings that can be overcomed with future breast cancer research.
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Affiliation(s)
- Shivangi Agarwal
- Department of Pharmaceutical Sciences, Dr Harisingh Gour University, Sagar, MP, India
| | - Samaresh Sau
- Use-inspired Biomaterials & Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI, USA
| | - Arun K Iyer
- Use-inspired Biomaterials & Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI, USA; Molecular Imaging Program, Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA
| | | | - Sushil K Kashaw
- Department of Pharmaceutical Sciences, Dr Harisingh Gour University, Sagar, MP, India.
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5
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Odame F, Schoeman R, Krause J, Hosten EC, Tshentu ZR, Frost C. Synthesis, characterization, crystal structures, and anticancer activity of some new 2,3-dihydro-1,5-benzoxazepines. Med Chem Res 2021. [DOI: 10.1007/s00044-021-02706-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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6
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Karadeniz E, Kelgokmen Y, Zora M. A new approach for the synthesis of spiro and
gem
‐dimethyl‐substituted 1,4‐oxazepines from
N
‐propargylic β‐enaminones. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4183] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Eda Karadeniz
- Department of Chemistry Middle East Technical University Ankara Turkey
| | - Yilmaz Kelgokmen
- Department of Chemistry Middle East Technical University Ankara Turkey
| | - Metin Zora
- Department of Chemistry Middle East Technical University Ankara Turkey
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7
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Ibis O, Zora M. A facile synthesis of 6-chloro-2-methylene-2,3-dihydro-1,4-oxazepines from N-propargylic β-enaminones. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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8
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Kelgokmen Y, Korkmaz E, Zora M. A facile synthesis of 6-[(4-nitrophenyl)thio]-substituted 2-methylene-2,3-dihydro-1,4-oxazepines from N-propargylic β-enaminones. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1837171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yilmaz Kelgokmen
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Esra Korkmaz
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
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9
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Palchykov VA, Gaponov AA. 1,3-Amino alcohols and their phenol analogs in heterocyclization reactions. ADVANCES IN HETEROCYCLIC CHEMISTRY 2020. [DOI: 10.1016/bs.aihch.2019.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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10
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Şendil K, Keskin S, Balci M. Concise design and synthesis of pyridine-fused heterocycles via 6π-Azaelectrocyclization process of iminoalkyne derivatives. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.130660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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11
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Mahfoudh N, Marín-Ramos NI, Gil AM, Jiménez AI, Choquesillo-Lazarte D, Kawano DF, Campos JM, Cativiela C. Cysteine-based 3-substituted 1,5-benzoxathiepin derivatives: Two new classes of anti-proliferative agents. ARAB J CHEM 2018. [DOI: 10.1016/j.arabjc.2017.01.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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12
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13
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Kelgokmen Y, Cayan Y, Zora M. Zinc Chloride Mediated Synthesis of 1,4-Oxazepines fromN-Propargylic β-Enaminones. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701433] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yilmaz Kelgokmen
- Department of Chemistry; Middle East Technical University; 06800 Ankara Turkey
| | - Yasemin Cayan
- Department of Chemistry; Middle East Technical University; 06800 Ankara Turkey
| | - Metin Zora
- Department of Chemistry; Middle East Technical University; 06800 Ankara Turkey
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14
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Quest for steroidomimetics: Amino acids derived steroidal and nonsteroidal architectures. Eur J Med Chem 2017; 133:139-151. [DOI: 10.1016/j.ejmech.2017.03.054] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Revised: 03/21/2017] [Accepted: 03/24/2017] [Indexed: 11/18/2022]
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15
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Ismail NS, Ali GM, Ibrahim DA, Elmetwali AM. Medicinal attributes of pyrazolo[1,5-a]pyrimidine based scaffold derivatives targeting kinases as anticancer agents. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2016. [DOI: 10.1016/j.fjps.2016.08.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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16
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Popp TA, Tallant C, Rogers C, Fedorov O, Brennan PE, Müller S, Knapp S, Bracher F. Development of Selective CBP/P300 Benzoxazepine Bromodomain Inhibitors. J Med Chem 2016; 59:8889-8912. [PMID: 27673482 DOI: 10.1021/acs.jmedchem.6b00774] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
CBP (CREB (cAMP responsive element binding protein) binding protein (CREBBP)) and P300 (adenovirus E1A-associated 300 kDa protein) are two closely related histone acetyltransferases (HATs) that play a key role in the regulation of gene transcription. Both proteins contain a bromodomain flanking the HAT catalytic domain that is important for the targeting of CBP/P300 to chromatin and which offeres an opportunity for the development of protein-protein interaction inhibitors. Here we present the development of CBP/P300 bromodomain inhibitors with 2,3,4,5-tetrahydro-1,4-benzoxazepine backbone, an N-acetyl-lysine mimetic scaffold that led to the recent development of the chemical probe I-CBP112. We present comprehensive SAR of this inhibitor class as well as demonstration of cellular on target activity of the most potent and selective inhibitor TPOP146, which showed 134 nM affinity for CBP with excellent selectivity over other bromodomains.
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Affiliation(s)
- Tobias A Popp
- Department für Pharmazie-Zentrum für Pharmaforschung, Ludwig-Maximilians-Universität München , Butenandtstrasse 5-13, D-81377 München, Germany
| | - Cynthia Tallant
- Nuffield Department of Clinical Medicine, University of Oxford, Structural Genomics Consortium , Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, U.K.,Nuffield Department of Clinical Medicine, University of Oxford, Target Discovery Institute (TDI) , Roosevelt Drive, Oxford OX3 7BN, U.K
| | - Catherine Rogers
- Nuffield Department of Clinical Medicine, University of Oxford, Structural Genomics Consortium , Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, U.K.,Nuffield Department of Clinical Medicine, University of Oxford, Target Discovery Institute (TDI) , Roosevelt Drive, Oxford OX3 7BN, U.K
| | - Oleg Fedorov
- Nuffield Department of Clinical Medicine, University of Oxford, Structural Genomics Consortium , Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, U.K.,Nuffield Department of Clinical Medicine, University of Oxford, Target Discovery Institute (TDI) , Roosevelt Drive, Oxford OX3 7BN, U.K
| | - Paul E Brennan
- Nuffield Department of Clinical Medicine, University of Oxford, Structural Genomics Consortium , Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, U.K.,Nuffield Department of Clinical Medicine, University of Oxford, Target Discovery Institute (TDI) , Roosevelt Drive, Oxford OX3 7BN, U.K
| | - Susanne Müller
- Nuffield Department of Clinical Medicine, University of Oxford, Structural Genomics Consortium , Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, U.K.,Nuffield Department of Clinical Medicine, University of Oxford, Target Discovery Institute (TDI) , Roosevelt Drive, Oxford OX3 7BN, U.K
| | - Stefan Knapp
- Nuffield Department of Clinical Medicine, University of Oxford, Structural Genomics Consortium , Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, U.K.,Institute for Pharmaceutical Chemistry and Buchmann Institute for Life Sciences, Johann Wolfgang Goethe-University , Max-von-Laue-Strasse 9, D-60438 Frankfurt am Main, Germany
| | - Franz Bracher
- Department für Pharmazie-Zentrum für Pharmaforschung, Ludwig-Maximilians-Universität München , Butenandtstrasse 5-13, D-81377 München, Germany
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17
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Ramanivas T, Sushma B, Nayak VL, Chandra Shekar K, Srivastava AK. Design, synthesis and biological evaluations of chirally pure 1,2,3,4-tertrahydroisoquinoline analogs as anti-cancer agents. Eur J Med Chem 2015; 92:608-18. [DOI: 10.1016/j.ejmech.2015.01.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 01/13/2015] [Accepted: 01/14/2015] [Indexed: 12/27/2022]
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18
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Jangir S, Bala V, Lal N, Kumar L, Sarswat A, Kumar A, Hamidullah, Saini KS, Sharma V, Verma V, Maikhuri JP, Konwar R, Gupta G, Sharma VL. Novel alkylphospholipid-DTC hybrids as promising agents against endocrine related cancers acting via modulation of Akt-pathway. Eur J Med Chem 2014; 85:638-47. [PMID: 25128666 DOI: 10.1016/j.ejmech.2014.08.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Revised: 08/07/2014] [Accepted: 08/07/2014] [Indexed: 10/24/2022]
Abstract
A new series of 2-(alkoxy(hydroxy)phosphoryloxy)ethyl dialkylcarbodithioate derivatives was synthesized and evaluated against endocrine related cancers, acting via modulation of Akt-pathway. Eighteen compounds were active at 7.24-100 μM against MDA-MB-231 or MCF-7 cell lines of breast cancer. Three compounds (14, 18 and 22) were active against MCF-7 cells at IC50 significantly better than miltefosine and most of the compounds were less toxic towards non-cancer cell lines, HEK-293. On the other hand, twelve compounds exhibited cell growth inhibiting activity against prostate cancer cell lines, either PC-3 or DU-145 at 14.69-95.20 μM. While nine of these were active against both cell lines. The most promising compounds 14 and 18 were about two and five fold more active than miltefosine against DU-145 and MCF-7 cell lines respectively and significantly down regulated phospho-Akt. Possibly anti-cancer and pro-apoptotic activity was mostly due to blockade of Akt-pathway.
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Affiliation(s)
- Santosh Jangir
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Veenu Bala
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific & Innovative Research, New Delhi 110001, India
| | - Nand Lal
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Lalit Kumar
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Amit Sarswat
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Amit Kumar
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Hamidullah
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Karan S Saini
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Vikas Sharma
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Vikas Verma
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Jagdamba P Maikhuri
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Rituraj Konwar
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Gopal Gupta
- Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Vishnu L Sharma
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific & Innovative Research, New Delhi 110001, India.
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19
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Bera S, Panda G. A rapid entry to amino acid derived diverse 3,4-dihydropyrazines and dihydro[1,2,3]triazolo[1,5-a]pyrazines through 1,3-dipolar cycloaddition. Org Biomol Chem 2014; 12:3976-85. [DOI: 10.1039/c4ob00639a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Practical synthesis of diverse 3,4-dihydropyrazines, 6,7-dihydro-[1,2,3]triazolopyrazines and 7,8-dihydro-[1,2,3]triazolodiazepines through intramolecular 1,3-dipolar cycloaddition from amino acid derived intermediates is described.
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Affiliation(s)
- Saurav Bera
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow 226031, India
| | - Gautam Panda
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow 226031, India
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20
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Lee SK, Tan KW, Ng SW. Zinc, copper and nickel derivatives of 2-[2-bromoethyliminomethyl]phenol as topoisomerase inhibitors exhibiting anti-proliferative and anti-metastatic properties. RSC Adv 2014. [DOI: 10.1039/c4ra09256b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Transition metal (Zn, Cu and Ni) derivatives of (2-[2-bromoethyliminomethyl]phenol), were found to inhibit topoisomerase I activity, induce DNA cleavage and bind to calf thymus DNA. The compounds are also cytotoxic and anti-invasive against PC3.
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Affiliation(s)
- Sze Koon Lee
- Department of Chemistry
- University of Malaya
- Kuala Lumpur, Malaysia
| | - Kong Wai Tan
- Department of Chemistry
- University of Malaya
- Kuala Lumpur, Malaysia
| | - Seik Weng Ng
- Department of Chemistry
- University of Malaya
- Kuala Lumpur, Malaysia
- Chemistry Department
- Faculty of Science
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21
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Martínez WR, Militão GCG, da Silva TG, Silva RO, Menezes PH. Synthesis of novel [3,1]-benzothiazepine and [3,1]-benzoxazepine derivatives with antitumoral activity. RSC Adv 2014. [DOI: https:/doi.org/10.1039/c3ra44937h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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22
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Martínez WR, Militão GCG, da Silva TG, Silva RO, Menezes PH. Synthesis of novel [3,1]-benzothiazepine and [3,1]-benzoxazepine derivatives with antitumoral activity. RSC Adv 2014. [DOI: https://doi.org/10.1039/c3ra44937h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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23
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Martínez WR, Militão GCG, da Silva TG, Silva RO, Menezes PH. Synthesis of novel [3,1]-benzothiazepine and [3,1]-benzoxazepine derivatives with antitumoral activity. RSC Adv 2014. [DOI: 10.1039/c3ra44937h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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24
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Dwivedi SKD, Samanta K, Yadav M, Jana AK, Singh AK, Chakravarti B, Mondal S, Konwar R, Trivedi AK, Chattopadhyay N, Sanyal S, Panda G. Amino acids derived benzoxazepines: Design, synthesis and antitumor activity. Bioorg Med Chem Lett 2013; 23:6816-21. [DOI: 10.1016/j.bmcl.2013.10.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 09/23/2013] [Accepted: 10/05/2013] [Indexed: 11/29/2022]
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25
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Stereoselective Synthesis of (3R)-3-Alkyl-4,1-Benzoxazepine-2,5-Diones. Chirality 2013; 25:865-70. [DOI: 10.1002/chir.22227] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 07/05/2013] [Indexed: 11/07/2022]
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26
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Banerji B, Pramanik SK, Sanphui P, Nikhar S, Biswas SC. Synthesis and cytotoxicity studies of novel triazolo-benzoxazepine as new anticancer agents. Chem Biol Drug Des 2013; 82:401-9. [PMID: 23672315 DOI: 10.1111/cbdd.12164] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Revised: 04/25/2013] [Accepted: 05/03/2013] [Indexed: 12/16/2022]
Abstract
Cancer continues to be one of the biggest threats to the human civilization because there is no cure of it. Small heterocyclic molecule with low molecular weight and novel structural feature is therapeutically highly demanding. These molecules have the capability to disrupt signaling pathways leading to anticancer activities. Therefore, the search for new anticancer agents continues to draw attention to the research community. In this study, a small triazolo-benzoxazepine scaffolds was synthesized using a one-pot four-step synthetic methodology involving click reaction. Small libraries of 12 compounds were successfully synthesized and screened them against different cancer cell lines. Low micromolar anticancer activity was recorded using MTT assay, and further confirmation of cell death was obtained by phase contrast, fluorescent, and confocal images.
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Affiliation(s)
- Biswadip Banerji
- Department of Chemistry, CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Kolkata, 700032, India
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27
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Synthesis of pyrazolo[1,5-a]pyrimidine linked aminobenzothiazole conjugates as potential anticancer agents. Bioorg Med Chem Lett 2013; 23:3208-15. [PMID: 23623491 DOI: 10.1016/j.bmcl.2013.03.129] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2012] [Revised: 03/14/2013] [Accepted: 03/30/2013] [Indexed: 12/29/2022]
Abstract
A series of pyrazolo[1,5-a]pyrimidine linked 2-aminobenzothizole conjugates (6a-t) were synthesized and evaluated for their anticancer activity against five human cancer cell lines. Among them two compounds 6p and 6m showed significant anticancer activity with IC50 values ranging from 2.01 to 7.07 and 1.94-3.46 μM, respectively. Moreover, cell cycle arrest in G2/M and reduction in Cdk1 expression level were observed upon treatment of these compounds and they also induced caspase-3 dependent apoptosis. This was further confirmed by staining as well as DNA fragmentation analysis.
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28
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Jana AK, Panda G. Stereoselective synthesis of Jaspine B and its C2 epimer from Garner aldehyde. RSC Adv 2013. [DOI: 10.1039/c3ra41778f] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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29
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Das SK, Panda G. Stereoselective approach to aminocyclopentitols from Garner aldehydes. RSC Adv 2013. [DOI: 10.1039/c3ra40648b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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30
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Manna SK, Panda G. An efficient synthetic approach for N–C bond formation from (S)-amino acids: an easy access to cis-2,5-disubstituted chiral piperazines. RSC Adv 2013. [DOI: 10.1039/c3ra42309c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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31
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Singh R, Panda G. l-Proline derived nitrogenous steroidal systems: an asymmetric approach to 14-azasteroids. RSC Adv 2013. [DOI: 10.1039/c3ra42272k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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32
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An efficient entry to highly substituted chiral 2-oxopiperazines from α-amino acids via iodocyclization. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.09.109] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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33
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Bera S, Panda G. I2-mediated diversity oriented diastereoselective synthesis of amino acid derived trans-2,5-disubstituted morpholines, piperazines, and thiomorpholines. ACS COMBINATORIAL SCIENCE 2012; 14:1-4. [PMID: 22126227 DOI: 10.1021/co200129t] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Diastereoselective trans-2,5-disubstituted amino acids derived diverse morpholines, piperazines and thiomorpholines were prepared in 30 min-1 h with high yields through iodine-mediated 6-exotrig type cyclization from a single common synthetic intermediate. The displacement of iodine with hydride ion gave a methyl substituent at the 2-position of morpholines which provides an additional opportunity for diversity oriented nucleophilic substitution on the rings as well as incorporation of substituents at the 5-position from amino acids constituents.
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Affiliation(s)
- Saurav Bera
- Medicinal and Process Chemistry Division, CSIR, Central Drug Research Institute, Lucknow-226001, UP,
India
| | - Gautam Panda
- Medicinal and Process Chemistry Division, CSIR, Central Drug Research Institute, Lucknow-226001, UP,
India
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34
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Kamal A, Ramakrishna G, Lakshma Nayak V, Raju P, Subba Rao A, Viswanath A, Vishnuvardhan M, Ramakrishna S, Srinivas G. Design and synthesis of benzo[c,d]indolone-pyrrolobenzodiazepine conjugates as potential anticancer agents. Bioorg Med Chem 2012; 20:789-800. [DOI: 10.1016/j.bmc.2011.12.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2011] [Revised: 11/30/2011] [Accepted: 12/01/2011] [Indexed: 10/14/2022]
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35
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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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36
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Samanta K, Srivastava N, Saha S, Panda G. Inter- and intramolecular Mitsunobu reaction and metal complexation study: synthesis of S-amino acids derived chiral 1,2,3,4-tetrahydroquinoxaline, benzo-annulated [9]-N3 peraza, [12]-N4 peraza-macrocycles. Org Biomol Chem 2012; 10:1553-64. [DOI: 10.1039/c1ob06304a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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37
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Maity PK, Kainz QM, Faisal S, Rolfe A, Samarakoon TB, Basha FZ, Reiser O, Hanson PR. Intramolecular monomer-on-monomer (MoM) Mitsunobu cyclization for the synthesis of benzofused thiadiazepine-dioxides. Chem Commun (Camb) 2011; 47:12524-6. [PMID: 22027744 PMCID: PMC3271939 DOI: 10.1039/c1cc14807a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The utilization of a monomer-on-monomer (MoM) intramolecular Mitsunobu cyclization reaction employing norbornenyl-tagged (Nb-tagged) reagents is reported for the synthesis of benzofused thiadiazepine-dioxides. Facile purification was achieved via ring-opening metathesis (ROM) polymerization initiated by one of three metathesis catalyst methods: (i) free metathesis catalyst, (ii) surface-initiated catalyst-armed silica, or (iii) surface-initiated catalyst-armed Co/C magnetic nanoparticles.
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Affiliation(s)
- Pradip K. Maity
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045 and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, KS 66047
| | - Quirin M. Kainz
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045 and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, KS 66047
- Institute for Organic Chemistry, University of Regensburg, Universitätsstr. 31, D-93053 Regensburg, Germany
| | - Saqib Faisal
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045 and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, KS 66047
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Science, University of Karachi, Karachi, Pakistan
| | - Alan Rolfe
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045 and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, KS 66047
| | - Thiwanka. B. Samarakoon
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045 and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, KS 66047
| | - Fatima Z. Basha
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Science, University of Karachi, Karachi, Pakistan
| | - Oliver Reiser
- Institute for Organic Chemistry, University of Regensburg, Universitätsstr. 31, D-93053 Regensburg, Germany
| | - Paul R. Hanson
- Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, KS, 66045 and The University of Kansas Center for Chemical Methodologies and Library Development (KU-CMLD), 2034 Becker Drive, Delbert M. Shankel Structural Biology Center, Lawrence, KS 66047
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38
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Bera S, Samanta K, Panda G. Unprecedented formation of benzo[d][1,2,3,6]oxatriazocine derivatives via diazo-oxygen bond formation and synthesis of enantiomerically pure 1-alkyl benzotriazole derivatives. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.04.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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39
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Chakravarti B, Siddiqui JA, Dwivedi SKD, Deshpande S, Samanta K, Bhatta RS, Panda G, Prabhakar YS, Konwar R, Sanyal S, Chattopadhyay N. Specific targeting of insulin-like growth factor 1 receptor signaling in human estrogen dependent breast cancer cell by a novel tyrosine-based benzoxazepine derivative. Mol Cell Endocrinol 2011; 338:68-78. [PMID: 21457754 DOI: 10.1016/j.mce.2011.03.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2010] [Revised: 02/01/2011] [Accepted: 03/01/2011] [Indexed: 11/30/2022]
Abstract
The present study sought to investigate the in vitro and in vivo effects of a tyrosine-based benzoxazepine, 4-[4-(toluene-4-sulfonyl)-2,3,4,5-tetrahydro-benzo[f][1,4]oxazepin-3-ylmethyl]-phenol) [THBP] in human breast cancer cells, with a focus on determining its molecular target. THBP had growth inhibitory effect on MCF-7 and MDA-MD-231 cells. At IC(50) value (∼20 μM), THBP resulted in G1 arrest, decrease in cyclin D1 levels and induction of apoptosis of MCF-7 cells. Mechanistically, activation of caspase 8 contributes critically to the induction of apoptotic cell death as copresence of selective inhibition of caspase 8 effectively abrogates the cytotoxic effect of THBP in MCF-7 cells. Further, THBP increased pro-apoptotic protein, Bax; decreased anti-apoptotic protein, Bcl-2; and decreased mitochondrial membrane potential in MCF-7 cells, indicating involvement of an intrinsic pathway of apoptosis following caspase 8 activation. Out of the various growth factors/hormones, THBP selectively abrogated increased viability of MCF-7 cells by insulin-like growth factor 1 (IGF-1). Molecular docking studies revealed that THBP occupied the ATP binding pocket of IGF-1 receptor (IGF-1R). Accordingly THBP was found to inhibit IGF-1-induced phosphorylation of IGF-1R and insulin receptor substrate-1 (IRS-1) without inhibiting insulin signaling in MCF-7 cells. In athymic nude mice, compared with vehicle, THBP treatment significantly reduced the growth of MCF-7 xenograft tumors through inhibition of cancer cell proliferation as well as promotion of cell death that correlated with reduced phospho-IGF-1R levels. We suggest that interfering with the IGF-1R signaling by the benzoxazepine THBP offers a novel and selective therapeutic strategy for estrogen receptor-positive, postmenopausal breast cancer patients.
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Affiliation(s)
- Bandana Chakravarti
- Division of Endocrinology, Central Drug Research Institute (Council of Scientific and Industrial Research), Lucknow, India
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40
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Samanta K, Panda G. Regioselective ring-opening of amino acid-derived chiral aziridines: an easy access to cis-2,5-disubstituted chiral piperazines. Chem Asian J 2011; 6:189-97. [PMID: 21077094 DOI: 10.1002/asia.201000554] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
An efficient four-step synthetic strategy for cis-2,5-disubstituted chiral piperazines derived from amino-acid-based aziridines is described. The key steps in this strategy are the highly regioselective boron trifluoride diethyl etherate (BF(3)·OEt(2))-mediated ring-opening of less-reactive N-Ts chiral aziridines by α-amino acid methyl ester hydrochloride followed by Mitsunobu cyclization. This protocol has been used in an attempt to construct the piperazine core framework of natural product (+)-piperazinomycin.
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Affiliation(s)
- Krishnananda Samanta
- Division of Medicinal and Process Chemistry, Central Drug Research Institute, Lucknow-226001, UP, India
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41
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Kamal A, Ramakrishna G, Raju P, Rao AVS, Viswanath A, Nayak VL, Ramakrishna S. Synthesis and anticancer activity of oxindole derived imidazo[1,5-a]pyrazines. Eur J Med Chem 2011; 46:2427-35. [PMID: 21481986 DOI: 10.1016/j.ejmech.2011.03.027] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 03/08/2011] [Accepted: 03/14/2011] [Indexed: 11/25/2022]
Abstract
A series of oxindole derivatives of imidazo[1,5-a]pyrazines were prepared and confirmed by 1H NMR, mass and HRMS data. These compounds were evaluated for their anticancer activity against a panel of 52 human tumor cell lines derived from nine different cancer types: leukemia, lung, colon, CNS, melanoma, ovarian, renal, prostate and breast. Among them compound 7l showed significant anticancer activity with GI50 values ranging from 1.54 to 13.0 μM. Cell cycle arrest was observed in G0/G1 phase upon treatment of A549 cells with 6.5 μM (IC50) concentration of compound 7l and induced apoptosis. This was confirmed by Annexin V-FITC as well as DNA fragmentation analysis and interestingly this compound (7l) did not affect the normal cells.
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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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42
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Samanta K, Panda G. One pot synthesis of amino acid derived chiral disubstituted morpholines and 1,4-oxazepanes via tandem aziridine/epoxide ring opening sequences. Org Biomol Chem 2011; 9:7365-71. [DOI: 10.1039/c1ob05462g] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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43
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Raza AR, Nisar B, Tahir MN. 2-Hydroxy- N-(3-nitrophenyl)benzamide. Acta Crystallogr Sect E Struct Rep Online 2010; 66:o2435. [PMID: 21588758 PMCID: PMC3007834 DOI: 10.1107/s1600536810031910] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2010] [Accepted: 08/09/2010] [Indexed: 11/23/2022]
Abstract
In the crystal structure of title compound, C13H10N2O4, as expected, the nitro- and hydroxy-substituted benzene rings are planar with r. m. s. deviations of 0.0037 and 0.0014 Å, respectively, but are twisted slightly relative to each other, making a dihedral angle of 12.23 (7)°. The nitro group is only slightly twisted [by 2.71 (16)°] with respect to its parent ring. An intramolecular N—H⋯O hydrogen bond forms an S(6) ring motif. Intermolecular N—H⋯O and O—H⋯O hydrogen bonds build up sheets parallel to the ab plane. Futhermore, weak π–π interactions [centroid–centroid distances = 3.7150 (8) 3.7342 (6) and 3.9421 (8) Å] between the rings yield a three-dimensional network.
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44
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Sharma A, Chakravarti B, Gupt MP, Siddiqui JA, Konwar R, Tripathi RP. Synthesis and anti breast cancer activity of biphenyl based chalcones. Bioorg Med Chem 2010; 18:4711-20. [PMID: 20605470 DOI: 10.1016/j.bmc.2010.05.015] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 05/04/2010] [Accepted: 05/05/2010] [Indexed: 02/02/2023]
Abstract
A series of (2E,2'E)-1,1'-(3-hydroxy-5-methylbiphenyl-2,6-diyl)-bis(3-pheylprop-2-ene-1-ones (5-33) were prepared by the reaction of 1,3-diacetyl biphenyls (1-4) with different aldehydes in presence of catalytic amount of solid KOH in ethanol in excellent yields. The compounds were evaluated for anticancer activity against human breast cancer MCF-7 (estrogen responsive proliferative breast cancer model) and MDA-MB-231 (estrogen independent aggressive breast cancer model) cell lines, HeLa (cervical cancer) cell line, and human embryonic kidney (HEK-293) cells. Most of the compounds preferentially inhibited the growth of the aggressive human breast cancer cell lines, MDA-MB-231 in the range of 4.4-30 μM. The two compounds 9 and 29 proved to be better anticancer agents than the standard drug tamoxifen against the MDA-MB-231 cell lines. Mode of action of these compounds was established to be apoptosis, cell cycle arrest and loss of mitochondrial membrane potential.
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Affiliation(s)
- Anindra Sharma
- Medicinal and Process Chemistry Division, Central Drug Research Institute (CSIR), Lucknow 226001, India
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45
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Das SK, Srivastava AK, Panda G. A new route to 1,4-oxazepanes and 1,4-diazepanes from Garner aldehyde. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.01.035] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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