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Dai H, Zhang S, Zheng X, Luo Z, Chen H, Yao X. Advances in β-Diketocyclisation of Curcumin Derivatives and their Antitumor Activity. Chem Biodivers 2024; 21:e202301556. [PMID: 38095134 DOI: 10.1002/cbdv.202301556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 12/10/2023] [Indexed: 01/16/2024]
Abstract
Curcumin, derived from the popular spice turmeric, is a pharmacologically active polyphenol. Curcumin's therapeutic activity has been extensively studied in recent decades, with reports implicating curcumin in many biological activities, particularly, its significant anticancer activity. However, its potential as an oral administration product is hampered by poor bioavailability, which is associated with a variety of factors, including low water solubility, poor intestinal permeability, instability, and degradation at alkaline pH. To improve its bioavailability, modifying β-diketone curcumin with heterocycles, such as pyrazole, isoxazole and triazole is a powerful strategy. Derivatives are synthesized while maintaining the basic skeleton of curcumin. The β-diketone cyclized curcumin derivatives are regulators of multiple molecular targets, which play vital roles in a variety of cellular pathways. In some literatures, structurally modified curcumin derivatives have been compared with curcumin, and the former has enhanced biological activity, improved water solubility and stability. Therefore, the scope of this review is to report the most recently synthesized heterocyclic derivatives and to classify them according to their chemical structures. Several of the most important and effective compounds are reviewed by introducing different active groups into the β-diketone position to achieve better therapeutic efficacy and bioavailability.
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Affiliation(s)
- Hailong Dai
- Institute of Pharmacy and Pharmacology, Hengyang Medicinal School, University of South China, Hengyang, Hunan, 421001, China
| | - Si Zhang
- Department of Pharmacy, Hunan Vocational College of Science and Technology, Third ZhongyiShan Road, Changsha, Hunan, 410004, China
| | - Xing Zheng
- Institute of Pharmacy and Pharmacology, Hengyang Medicinal School, University of South China, Hengyang, Hunan, 421001, China
- Department of Pharmacy, Hunan Vocational College of Science and Technology, Third ZhongyiShan Road, Changsha, Hunan, 410004, China
| | - Zhongqin Luo
- Shaoyang Hospital of TCM, No. 631, Dongda Road, Shaoyang, Hunan, 422000, China
| | - Hongfei Chen
- Institute of Pharmacy and Pharmacology, Hengyang Medicinal School, University of South China, Hengyang, Hunan, 421001, China
| | - Xu Yao
- Institute of Pharmacy and Pharmacology, Hengyang Medicinal School, University of South China, Hengyang, Hunan, 421001, China
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Feriotto G, Rondanin R, Marchetti P, Tagliati F, Beninati S, Tabolacci C, Grusi E, Aguzzi S, Mischiati C. Characterization of Stable Pyrazole Derivatives of Curcumin with Improved Cytotoxicity on Osteosarcoma Cell Lines. Life (Basel) 2023; 13:life13020431. [PMID: 36836788 PMCID: PMC9961829 DOI: 10.3390/life13020431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/16/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Curcumin (CUR) is a natural molecule that is unstable due to the presence of a bis-ketone. To obtain more stable derivatives in biological fluids, the bis-ketone was replaced with pyrazole or O-substituted oximes. Their stability in solution was studied by UV-visible spectrophotometry. The effects on proliferation were studied by MTT assay and/or clonogenicity assay. Induction of apoptosis was evaluated by annexin V staining and Western blot analysis. The bioavailability was obtained from the analysis of the molecular chemical-physical characteristics. The replacement of the bis-ketone with a pyrazole ring or O-substituted oximes improved the stability of all the CUR-derivative molecules. These derivatives were more stable than CUR in solution and were generally cytotoxic on a panel of cancer cell lines tested, and they promoted caspase-dependent apoptosis. Derivative 1 was the most potent in the osteosarcoma (OS) lines. With respect to CUR, this derivative showed cytotoxicity at least three times higher in the MTT assay. In addition, in the clonogenic assay, 1 maintained the activity in conditions of long treatment presumably by virtue of its improved stability in biological fluids. Notably, 1 should have improved chemical-physical characteristics of bioavailability with respect to CUR, which should allow for reaching higher blood levels than those observed in the CUR trials. In conclusion, 1 should be considered in future clinical studies on the treatment of OS, either alone or in combination with other medications currently in use.
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Affiliation(s)
- Giordana Feriotto
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Riccardo Rondanin
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Paolo Marchetti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Federico Tagliati
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
| | - Simone Beninati
- Department of Biology, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Claudio Tabolacci
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Elisa Grusi
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
| | - Serena Aguzzi
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
| | - Carlo Mischiati
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy
- Correspondence: ; Tel.: +39-532-974444
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Cytotoxicity of Isoxazole Curcumin Analogs on Chronic Myeloid Leukemia-Derived K562 Cell Lines Sensitive and Resistant to Imatinib. Int J Mol Sci 2023; 24:ijms24032356. [PMID: 36768681 PMCID: PMC9916957 DOI: 10.3390/ijms24032356] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023] Open
Abstract
Despite curcumin (CUR) inhibiting cell proliferation in vitro by activating apoptotic cell death, its use in pharmacological therapy is hampered by poor solubility, low stability in biological fluids, and rapid removal from the body. Therefore, CUR-derivatives with better biological and chemical-physical characteristics are needed. The bis-ketone moiety of CUR strongly influences its stability in slightly alkaline solutions such as plasma. Here, we considered its replacement with isoxazole, beta-enamine, or oxime groups to obtain more stable derivatives. The evaluation of the chemical-physical characteristics showed that only of the isoxazole derivatives 2 and 22 had better potential than CUR in terms of bioavailability. The UV-visible spectrum analysis showed that derivatives 2 and 22 had better stability than CUR in solutions mimicking the biological fluids. When tested on a panel of cell lines, derivatives 2 and 22 had marked cytotoxicity (IC50 = 0.5 µM) compared with CUR only (IC50 = 17 µM) in the chronic myeloid leukemia (CML)-derived K562 cell line. The derivative 22 was the more selective for CML cells. When administered at the average concentration found for CUR in the blood of patients, derivatives 2 and 22 had potent effects on cell cycle progression and apoptosis initiation, while CUR was ineffective. The apoptotic effect of derivatives 2 and 22 was associated with low necrosis. In addition, derivative 22 was able to reverse drug resistance in K562 cells resistant to imatinib (IM), the reference drug used in CML therapy. The cytotoxicity of derivative 22 on IM-sensitive and resistant cells was associated with upregulation of FOXN3 and CDKN1A expression, G2/M arrest, and triggering of apoptosis. In conclusion, derivative 22 has chemical-physical characteristics and biological effects superior to CUR, which allow us to hypothesize its future use in the therapy of CML and CML forms resistant to IM, either alone or in combination with this drug.
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Development and validation of an LC-MS/MS method for the assessment of Isoxazole, a bioactive analogue of curcumin in rat plasma: Application to a pharmacokinetic study. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1212:123488. [DOI: 10.1016/j.jchromb.2022.123488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/16/2022] [Accepted: 09/29/2022] [Indexed: 11/07/2022]
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5
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Labbozzetta M, Barreca M, Spanò V, Raimondi MV, Poma P, Notarbartolo M, Barraja P, Montalbano A. Novel insights on [1,2]oxazolo[5,4-e]isoindoles on multidrug resistant acute myeloid leukemia cell line. Drug Dev Res 2022; 83:1331-1341. [PMID: 35749723 PMCID: PMC9540667 DOI: 10.1002/ddr.21962] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/01/2022] [Accepted: 04/22/2022] [Indexed: 01/22/2023]
Abstract
A series of [1,2]oxazolo[5,4-e]isoindole derivatives was evaluated against HL-60 cell line and its multidrug resistance (MDR) variant, HL-60R, resistant to doxorubicin and to other P-gp substrates by overexpressing the efflux pump. They displayed antiproliferative activities, with IC50 values ranging from 0.02 to 5.5 µM. In particular, the newly synthesized compound 4k produced synergistic effects in terms of cell growth inhibition and cell death induction either in combination with a Vinca alkaloid, Vinblastine, and a Taxane, Paclitaxel in HL-60R cells. The study of the mechanism of action indicated that all compounds showed antimitotic activity through inhibition of tubulin polymerization. Thus, [1,2]oxazoles could represent a valuable tool to overcome MDR mechanism, confirming the potential use of this class of compounds.
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Affiliation(s)
- Manuela Labbozzetta
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
| | - Marilia Barreca
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
| | - Virginia Spanò
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
| | - Maria Valeria Raimondi
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
| | - Paola Poma
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
| | - Monica Notarbartolo
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
| | - Paola Barraja
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
| | - Alessandra Montalbano
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies (STEBICEF)University of PalermoPalermoItaly
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Marandi F, Moeini K, Küsel S, Krautscheid H. Mononuclear and polymeric zinc(II) β-diketonate complexes with aromatic N-donor ligands: structural, spectral, thermal, theoretical and docking studies. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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7
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Sharma M, Rani S, Mozumdar S. Perturbations in the photophysical properties of isoxazole derivative of curcumin up on interaction with different anionic, cationic and non-ionic surfactants. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116981] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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8
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Rodrigues FC, Kumar NVA, Hari G, Pai KSR, Thakur G. The inhibitory potency of isoxazole-curcumin analogue for the management of breast cancer: A comparative in vitro and molecular modeling investigation. CHEMICAL PAPERS 2021; 75:5995-6008. [DOI: 10.1007/s11696-021-01775-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 07/04/2021] [Indexed: 12/22/2022]
Abstract
AbstractCurcumin, a potent phytochemical derived from the spice element turmeric, has been identified as a herbal remedy decades ago and has displayed promise in the field of medicinal chemistry. However, multiple traits associated with curcumin, such as poor bioavailability and instability, limit its effectiveness to be accepted as a lead drug-like entity. Different reactive sites in its chemical structure have been identified to incorporate modifications as attempts to improving its efficacy. The diketo group present in the center of the structural scaffold has been touted as the group responsible for the instability of curcumin, and substituting it with a heterocyclic ring contributes to improved stability. In this study, four heterocyclic curcumin analogues, representing some broad groups of heterocyclic curcuminoids (isoxazole-, pyrazole-, N-phenyl pyrazole- and N-amido-pyrazole-based), have been synthesized by a simple one-pot synthesis and have been characterized by FTIR, 1H-NMR, 13C-NMR, DSC and LC–MS. To predict its potential anticancer efficacy, the compounds have been analyzed by computational studies via molecular docking for their regulatory role against three key proteins, namely GSK-3β—of which abnormal regulation and expression is associated with cancer; Bcl-2—an apoptosis regulator; and PR which is a key nuclear receptor involved in breast cancer development. One of the compounds, isoxazole-curcumin, has consistently indicated a better docking score than the other tested compounds as well as curcumin. Apart from docking, the compounds have also been profiled for their ADME properties as well as free energy binding calculations. Further, the in vitro cytotoxic evaluation of the analogues was carried out by SRB assay in breast cancer cell line (MCF7), out of which isoxazole-curcumin (IC50–3.97 µM) has displayed a sevenfold superior activity than curcumin (IC50–21.89 µM). In the collation of results, it can be suggested that isoxazole-curcumin behaves as a potential lead owing to its ability to be involved in a regulatory role with multiple significant cancer proteins and hence deserves further investigations in the development of small molecule-based anti-breast cancer agents.
Graphic abstract
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Khwaza V, Mlala S, Oyedeji OO, Aderibigbe BA. Pentacyclic Triterpenoids with Nitrogen-Containing Heterocyclic Moiety, Privileged Hybrids in Anticancer Drug Discovery. Molecules 2021; 26:molecules26092401. [PMID: 33918996 PMCID: PMC8122576 DOI: 10.3390/molecules26092401] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 11/28/2020] [Accepted: 11/29/2020] [Indexed: 12/12/2022] Open
Abstract
Pentacyclic triterpenoids are well-known phytochemicals with various biological activities commonly found in plants as secondary metabolites. The wide range of biological activities exhibited by triterpenoids has made them the most valuable sources of pharmacological agents. A number of novel triterpenoid derivatives with many skeletal modifications have been developed. The most important modifications are the formation of analogues or derivatives with nitrogen-containing heterocyclic scaffolds. The derivatives with nitrogen-containing heterocyclic compounds are among the most promising candidate for the development of novel therapeutic drugs. About 75% of FDA-approved drugs are nitrogen-containing heterocyclic moieties. The unique properties of heterocyclic compounds have encouraged many researchers to develop new triterpenoid analogous with pharmacological activities. In this review, we discuss recent advances of nitrogen-containing heterocyclic triterpenoids as potential therapeutic agents. This comprehensive review will assist medicinal chemists to understand new strategies that can result in the development of compounds with potential therapeutic efficacy.
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Sharma M, Pal U, Kumari M, Bagchi D, Rani S, Mukherjee D, Bera A, Pal SK, Saha Dasgupta T, Mozumdar S. Effect of solvent on the photophysical properties of isoxazole derivative of curcumin: A combined spectroscopic and theoretical study. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113164] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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11
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Rodrigues FC, Kumar NA, Thakur G. The potency of heterocyclic curcumin analogues: An evidence-based review. Pharmacol Res 2021; 166:105489. [PMID: 33588007 DOI: 10.1016/j.phrs.2021.105489] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/07/2021] [Accepted: 02/09/2021] [Indexed: 12/29/2022]
Abstract
Curcumin, a potent phytochemical, has been a significant lead compound and has been extensively investigated for its multiple bioactivities. Owing to its natural origin, non-toxic, safe, and pleiotropic behavior, it has been extensively explored. However, several limitations such as its poor stability, bioavailability, and fast metabolism prove to be a constraint to achieve its full therapeutic potential. Many approaches have been adopted to improve its profile, amongst which, structural modifications have indicated promising results. Its symmetric structure and simple chemistry have prompted organic and medicinal chemists to manipulate its arrangement and study its implications on the corresponding activity. One such recurring and favorable modification is at the diketo moiety with the aim to achieve isoxazole and pyrazole analogues of curcumin. A modification at this site is not only simple to achieve, but also has indicated a superior activity consistently. This review is a comprehensive and wide-ranged report of the different methods adopted to achieve several cyclized curcumin analogues along with the improvement in the efficacy of the corresponding activities observed.
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Affiliation(s)
- Fiona C Rodrigues
- Department of Biomedical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Nv Anil Kumar
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Goutam Thakur
- Department of Biomedical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576 104, India.
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Ahmed MF, Santali EY, Mohi El-Deen EM, Naguib IA, El-Haggar R. Development of pyridazine derivatives as potential EGFR inhibitors and apoptosis inducers: Design, synthesis, anticancer evaluation, and molecular modeling studies. Bioorg Chem 2020; 106:104473. [PMID: 33243490 DOI: 10.1016/j.bioorg.2020.104473] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 12/29/2022]
Abstract
Novel hybrids of pyridazine-pyrazoline were synthesized aiming to develop new antiproliferative candidates. All compounds were submitted to the National Cancer Institute (NCI), USA, and many were proved to have significant antiproliferative activity. In addition, in vitro studies of the epidermal growth factor receptor (EGFR) inhibition showed that compounds IXn, IXg, IXb and IXl exhibited excellent inhibitory effect (IC50 = 0.65, 0.75, 0.82 and 0.84 μM, respectively) compared to Erlotinib (IC50 = 0.95 μM). The mechanistic effectiveness in cell cycle progression, apoptotic induction and gene regulation were assessed for the promising compounds IXg and IXn due to their significant EGFR inhibition. Flow cytometeric analysis indicated that compounds IXg and IXn result in increased cell numbers in phase G2/M, suggesting cell cycle arrest in phase G2/M in UO-31cells. Furthermore, real time PCR assay illustrated that compounds IXg and IXn elevated Bax/Bcl2 ratio which confirmed the mechanistic pathway of them. Moreover, the apoptotic induction of UO-31 renal cancer cells was enhanced effectively through activation of caspase-3 by compounds IXg and IXn. On the other hand, molecular docking study was performed to investigate binding mode of interaction of compounds with EGFR-PK in the active site with the aim of rationalizing its promising inhibitory activity. Finally, based on the aforementioned findings, compounds IXg and IXn could be considered as effective apoptosis modulators and promising leads for future development of new anti-renal cancer agents.
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Affiliation(s)
- Marwa F Ahmed
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt.
| | - Eman Y Santali
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Eman M Mohi El-Deen
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Ibrahim A Naguib
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St., 62514 Beni-Suef, Egypt
| | - Radwan El-Haggar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt.
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Pogaku V, Krishnan R, Basavoju S. Synthesis and biological evaluation of new benzo[d][1,2,3]triazol-1-yl-pyrazole-based dihydro-[1,2,4]triazolo[4,3-a]pyrimidines as potent antidiabetic, anticancer and antioxidant agents. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04285-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Pham VTB, Nguyen TV, Nguyen HV, Nguyen TT, Hoang HM. Curcuminoids versus Pyrazole‐Modified Analogues: Synthesis and Cytotoxicity against HepG2 Cancer Cell Line. ChemistrySelect 2020. [DOI: 10.1002/slct.202003003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Van Thi Bich Pham
- Department of Chemistry Nong Lam University Linh Trung Ward, Thu Duc district, Ho Chi Minh City 700000 Vietnam
| | - Tien Vinh Nguyen
- Department of Chemical Technology Ho Chi Minh City University of Technology and Education Vo Van Ngan 01, Linh Chieu Ward, Thu Duc District Ho Chi Minh City 700000 Vietnam
| | - Hien Van Nguyen
- Department of Chemistry Nong Lam University Linh Trung Ward, Thu Duc district, Ho Chi Minh City 700000 Vietnam
| | - Triet Thanh Nguyen
- Department of Traditional Pharmacy University of Medicine and Pharmacy at Ho Chi Minh City 217 Hong Bang, Ward 11 District 5, Ho Chi Minh City 70000 Vietnam
| | - Hao Minh Hoang
- Department of Chemical Technology Ho Chi Minh City University of Technology and Education Vo Van Ngan 01, Linh Chieu Ward, Thu Duc District Ho Chi Minh City 700000 Vietnam
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Xu T, Guo P, He Y, Pi C, Wang Y, Feng X, Hou Y, Jiang Q, Zhao L, Wei Y. Application of curcumin and its derivatives in tumor multidrug resistance. Phytother Res 2020; 34:2438-2458. [PMID: 32255545 DOI: 10.1002/ptr.6694] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 02/27/2020] [Accepted: 03/22/2020] [Indexed: 12/16/2022]
Abstract
Malignant tumor endangers seriously the health of all mankind. Multidrug resistance (MDR) is one of the main causes of clinical tumor chemotherapy failure. Curcumin (CUR) has not only antitumor activity but also reversing tumor MDR effect. CUR reverses tumor MDR via regulating related signal pathways or corresponding expressed proteins or gene. When combined with chemotherapeutic agents, CUR can be a chemotherapeutic sensitive agent to enhance chemotherapy efficacy and weaken tumor MDR. On the other hand, to improve the MDR reversal effect of CUR, its derivatives have been extensively studied. Therefore, this article mainly focuses on reviewing the application of CUR and its derivatives in MDR and its mechanism of reversing MDR.
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Affiliation(s)
- Ting Xu
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Pu Guo
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Yingmeng He
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Chao Pi
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Yuanyuan Wang
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Xianhu Feng
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Yi Hou
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Qingsheng Jiang
- School of International Education, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Ling Zhao
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Yumeng Wei
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
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Mass spectrometric investigation of concentration-dependent effect of curcumin and oxidative stress on intracellular glutathione levels. Anal Bioanal Chem 2020; 412:2873-2880. [PMID: 32112130 DOI: 10.1007/s00216-020-02524-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 02/05/2020] [Accepted: 02/14/2020] [Indexed: 10/24/2022]
Abstract
Herein, we investigated the correlation between curcumin and glutathione (GSH) levels in mammalian cells using gold nanoparticles (AuNPs) and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). GSH exists in high concentration in the cytosol and acts as a major antioxidant and reducing agent in organisms. Previous studies showed that curcumin, a well-known antioxidant with anti-inflammatory, anti-proliferative, and anti-carcinogenic activities, affects GSH levels in mammalian cells. However, the correlation between their levels remains controversial and has not yet been completely elucidated. This study used our recent strategy of GSH quantification, where GSH in cell lysate is captured on maleimide groups of AuNPs and analyzed using MALDI-TOF MS with isotopomer GSH (GSH*)-conjugated AuNPs as an internal standard. The comparison between GSH and GSH* relative intensities allows the quantitation of GSH in cells. In this way, GSH levels in mammalian cells were investigated after incubation with curcumin at various concentrations with or without oxidative stress. We observed that intracellular GSH levels were affected by curcumin in a concentration-dependent manner with oxidative stress; GSH levels decrease at a lower curcumin concentration, which can be recovered at increased curcumin concentrations. We also found that the GSH level increased at all curcumin concentrations after a certain incubation time. We believe our strategy can be commonly used to determine GSH levels in cells that are treated differently with various exogenous stimulants like reactive oxygen species, biofunctional natural products, and drug candidates. Graphical abstract.
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Bonaccorsi PM, Labbozzetta M, Barattucci A, Salerno TMG, Poma P, Notarbartolo M. Synthesis of Curcumin Derivatives and Analysis of Their Antitumor Effects in Triple Negative Breast Cancer (TNBC) Cell Lines. Pharmaceuticals (Basel) 2019; 12:E161. [PMID: 31717764 PMCID: PMC6958375 DOI: 10.3390/ph12040161] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 10/21/2019] [Accepted: 10/23/2019] [Indexed: 12/12/2022] Open
Abstract
We analyzed antitumor effects of a series of curcumin analogues. Some of them were obtained by reaction of substitution involving the two phenolic OH groups of curcumin while the analogues with a substituent at C-4 was prepared following an original procedure that regards the condensation of benzenesulfenic acid onto the nucleophilic central carbon of the curcumin skeleton. We analyzed cytotoxic effects of such derivatives on two TNBC (triple negative breast cancer) cell lines, SUM 149 and MDA-MB-231, but only three of them showed an IC50 in a lower micromolar range with respect to curcumin. We also focused on these three derivatives that in both cell lines exhibited a higher or at least equivalent pro-apoptotic effect than curcumin. The analysis of molecular mechanisms of action of the curcumin derivatives under study has highlighted that they decreased NF-κB transcriptional factor activity, and consequently the expression of some NF-κB targets. Our data confirmed once again that curcumin may represent a very good lead compound to design analogues with higher antitumor capacities and able to overcome drug resistance with respect to conventional ones, even in tumors difficult to treat as TNBC.
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Affiliation(s)
- Paola Maria Bonaccorsi
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98122 Messina, Italy; (P.M.B.); (A.B.); (T.M.G.S.)
| | - Manuela Labbozzetta
- Department of Biological, Chemical and Pharmaceutical Science and Technology (STEBICEF), University of Palermo, 90133 Palermo, Italy; (M.L.); (M.N.)
| | - Anna Barattucci
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98122 Messina, Italy; (P.M.B.); (A.B.); (T.M.G.S.)
| | - Tania Maria Grazia Salerno
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98122 Messina, Italy; (P.M.B.); (A.B.); (T.M.G.S.)
| | - Paola Poma
- Department of Biological, Chemical and Pharmaceutical Science and Technology (STEBICEF), University of Palermo, 90133 Palermo, Italy; (M.L.); (M.N.)
| | - Monica Notarbartolo
- Department of Biological, Chemical and Pharmaceutical Science and Technology (STEBICEF), University of Palermo, 90133 Palermo, Italy; (M.L.); (M.N.)
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18
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El-Kady DS, Ali NA, Sayed AH, Abdelhaliem MM, Elmegeed GA, Ahmed HH. Assessment of the Antitumor Potentiality of Newly Designed Steroid Derivatives: Pre-Clinical Study. Asian Pac J Cancer Prev 2019; 20:3057-3070. [PMID: 31653155 PMCID: PMC6982653 DOI: 10.31557/apjcp.2019.20.10.3057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Indexed: 12/03/2022] Open
Abstract
Cancer is recognized as one of the most prevalent contributors to mortality in several nations and it remains one of the common health issues globally. In particular, hepatocellular carcinoma (HCC) has become a public health problem along with the increase of hepatitis B (HBV) and hepatitis C (HCV) virus infections. Based on this fact, our study goaled to synthesize newly hybrid drugs containing heterocyclic rings incorporated to steroid moiety and to examine the potential antitumor activity of the newly designed heterosteroid derivatives against HCC induced in animal model. Several heterocyclic steroids were synthesized 2-7 and confirmed via the analytical and spectral data (IR, 1H NMR13C NMR and Mass spectroscopy). Compounds 3, 4, and 5 were chosen to be investigated as anticancer agents in HCC rat model by means of validated biomarkers (alfa –fetoprotein, endoglin, lipocali-2 and heat shock protein-70). Following administration of compounds 3, 4 or 5, availability of the active tumor marker molecules was significantly dropped and a substantial decrease of the angiogenic and inflammatory mediators was also evident. These findings were supported by the histological examination of liver tissue. Taken together, this study indicates the potential anticancer activity of the newly synthesized heterosteroid derivatives against HCC in vivo. The antitumor activity of these compounds was likely attributable to modulating some signal transduction pathways involved in tumorigenesis, angiogenesis and inflammation.
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Affiliation(s)
- Dina S El-Kady
- Department of Hormones, Medical Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Naglaa A Ali
- Department of Hormones, Medical Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Alaa H Sayed
- Department of Hormones, Medical Research Division, National Research Centre, Dokki, Giza, Egypt.,Department of Applied Medical Sciences, Community College in Al-Qurayyat, Al-Jouf University, KSA
| | - Mervat M Abdelhaliem
- Department of Hormones, Medical Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Gamal A Elmegeed
- Department of Hormones, Medical Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Hanaa H Ahmed
- Department of Hormones, Medical Research Division, National Research Centre, Dokki, Giza, Egypt
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19
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Shaikh SAM, Singh BG, Barik A, Balaji NV, Subbaraju GV, Naik DB, Priyadarsini KI. Unravelling the effect of β-diketo group modification on the antioxidant mechanism of curcumin derivatives: A combined experimental and DFT approach. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.05.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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20
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Theppawong A, Van de Walle T, Van Hecke K, Grootaert C, Van Camp J, D'hooghe M. Synthesis of 1,4-Thiazepane-Based Curcuminoids with Promising Anticancer Activity. Chemistry 2019; 25:12583-12600. [PMID: 31283064 DOI: 10.1002/chem.201902549] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/04/2019] [Indexed: 12/24/2022]
Abstract
Curcumin, the main component of turmeric (Curcuma longa) is known to display an interesting bioactivity profile, including pronounced anticancer properties. However, its low bioavailability, metabolic instability and nonspecific activity are concerns that have to be addressed before curcuminoids can be considered for therapeutic applications. Within that framework, intensive research has been carried out in the last decades to develop new curcumin derivatives, generally centered on standard modifications of the sp2 curcumin framework, with the aim to augment its bioavailability while maintaining or improving its anticancer properties. To find potential hit molecules by moving away from the classical flat curcumin framework, we investigated an unexplored modification to produce novel, out-of-plane 1,4-thiazepane-based curcuminoids and assessed the impact of this modification on the biological activity. In this way, 21 new, structurally diverse thiazepane scaffolds (4-aryl-1-(7-aryl-1,4-thiazepan-5-ylidene)but-3-en-2-ones) were synthesized, as well as some biologically interesting unexpected reaction products (such as 5-aryl-6-arylmethylene-3-ethoxycyclohex-2-en-1-ones and 4-acetyl-5-aryl-2-(3-arylacryloyl)-3-methylcyclohex-2-en-1-ones). All these analogues were subsequently tested on their antioxidant capacity, their cytotoxicity properties and their ROS (reactive oxygen species) production. Many compounds demonstrated interesting activities, with ten curcuminoids, whereof eight 1,4-thiazepane-based, showing better antiproliferative properties compared to their mother compounds, as well as an increased ROS production. This unprecedented 3D curcumin modification has thus delivered promising new hit compounds with good activity profiles eligible for further exploration.
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Affiliation(s)
- Atiruj Theppawong
- SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Tim Van de Walle
- SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Kristof Van Hecke
- XStruct, Department of Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281, S3, 9000, Ghent, Belgium
| | - Charlotte Grootaert
- nutriFOODchem, Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - John Van Camp
- nutriFOODchem, Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Matthias D'hooghe
- SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
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21
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Fontana G, Bruno M, Notarbartolo M, Labbozzetta M, Poma P, Spinella A, Rosselli S. Cytotoxicity of oleanolic and ursolic acid derivatives toward hepatocellular carcinoma and evaluation of NF-κB involvement. Bioorg Chem 2019; 90:103054. [PMID: 31212180 DOI: 10.1016/j.bioorg.2019.103054] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/29/2019] [Accepted: 06/06/2019] [Indexed: 02/07/2023]
Abstract
Oleanolic and ursolic acids are two ubiquitous isomeric triterpene phytochemicals known for their anticancer activity. A set of derivatives of the two compounds with a modified oxidation state and lipophylicity at C-3 and C-28 positions, were prepared and tested as anticancer agents versus the lines HepG2, Hep3B and HA22T/VGH of hepatocarcinoma, a strongly aggressive tumor that is not responsive toward the standard therapies. New derivatives containing a three carbons side chain on the C-3 position were synthetized in both stereoisomeric forms by the Barbier-Grignard procedure and three of them were found to be active toward all of the three targets. The implication of the transcriptional nuclear factor NF-κB in the mechanism of action was assessed for the more active compounds in the set, as hepatocellular carcinoma (HCC) cyto-types are known to overexpress NF-κB.
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Affiliation(s)
- Gianfranco Fontana
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, ed. 17, I-90128 Palermo, Italy.
| | - Maurizio Bruno
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, ed. 17, I-90128 Palermo, Italy.
| | - Monica Notarbartolo
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, ed. 17, I-90128 Palermo, Italy.
| | - Manuela Labbozzetta
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, ed. 17, I-90128 Palermo, Italy.
| | - Paola Poma
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, ed. 17, I-90128 Palermo, Italy.
| | - Alberto Spinella
- Centro Grandi Apparecchiature (CGA) - ATeN Center, University of Palermo, via F. Marini 14, 90128 Palermo, Italy.
| | - Sergio Rosselli
- Dipartimento di Scienze Agrarie, Alimentari e Forestali (SAAF), Università degli Studi di Palermo, Viale delle Scienze, ed. 4, I-90128 Palermo, Italy.
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22
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Zhao S, Pi C, Ye Y, Zhao L, Wei Y. Recent advances of analogues of curcumin for treatment of cancer. Eur J Med Chem 2019; 180:524-535. [PMID: 31336310 DOI: 10.1016/j.ejmech.2019.07.034] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 06/26/2019] [Accepted: 07/09/2019] [Indexed: 01/01/2023]
Abstract
Curcumin (CU), an edible natural pigment from Curcuma Longa, has demonstrated extensive anti-tumor effect in vivo and in vitro. With the property of reversing drug resistance and low toxicity, CU has been considered to develop a new adjuvant chemotherapy protocol of cancer. However, the poor stability, solubility, in vivo bioavailability and weak activity of CU greatly limit its clinical application. Therefore, CU analogues have been extensively studied. Starting from the study of natural CU analogues, multiple approaches are being sought to obtain more stable, soluble and effective analogues of CU. This review focuses on the progress of these approaches to more potent CU analogues.
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Affiliation(s)
- Shijie Zhao
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, No. 319, Zhongshan Rd Sanduan, Luzhou, Sichuan, 646000, PR China
| | - Chao Pi
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, No. 319, Zhongshan Rd Sanduan, Luzhou, Sichuan, 646000, PR China
| | - Yun Ye
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, No. 319, Zhongshan Rd Sanduan, Luzhou, Sichuan, 646000, PR China; Department of Pharmacy, The Affiliated Hospital, Southwest Medical University, No.25, Taiping Street, Luzhou, Sichuan, 646000, China
| | - Ling Zhao
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, No. 319, Zhongshan Rd Sanduan, Luzhou, Sichuan, 646000, PR China.
| | - Yumeng Wei
- Department of Pharmaceutics, School of Pharmacy, Southwest Medical University, No. 319, Zhongshan Rd Sanduan, Luzhou, Sichuan, 646000, PR China.
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23
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Mishra S, Patel S, Halpani CG. Recent Updates in Curcumin Pyrazole and Isoxazole Derivatives: Synthesis and Biological Application. Chem Biodivers 2019; 16:e1800366. [PMID: 30460748 DOI: 10.1002/cbdv.201800366] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 11/20/2018] [Indexed: 12/15/2022]
Abstract
Curcumin is an admired, plant-derived compound that has been extensively investigated for diverse range of biological activities, but the use of this polyphenol is limited due to its instability. Chemical modifications in curcumin are reported to seize this limitation; such efforts are intensively performed to discover molecules with similar but improved stability and better properties. Focal points of these reviews are synthesis of stable pyrazole and isoxazole analogs of curcumin and application in various biological systems. This review aims to emphasize the latest evidence of curcumin pyrazole analogs as a privileged scaffold in medicinal chemistry. Manifold features of curcumin pyrazole analogs will be summarized herein, including the synthesis of novel curcumin pyrazole analogs and the evaluation of their biological properties. This review is expected to be a complete, trustworthy and critical review of the curcumin pyrazole analogs template to the medicinal chemistry community.
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Affiliation(s)
- Satyendra Mishra
- Medicinal Chemistry Laboratory, Center for Engineering and Enterprise, University and Institute of Advanced Research, Koba Institutional, Area Gandhinagar, Gujarat, 382426, India
| | - Sejal Patel
- Medicinal Chemistry Laboratory, Center for Engineering and Enterprise, University and Institute of Advanced Research, Koba Institutional, Area Gandhinagar, Gujarat, 382426, India
| | - Chandni G Halpani
- Medicinal Chemistry Laboratory, Center for Engineering and Enterprise, University and Institute of Advanced Research, Koba Institutional, Area Gandhinagar, Gujarat, 382426, India
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24
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Laali KK, Greves WJ, Correa-Smits SJ, Zwarycz AT, Bunge SD, Borosky GL, Manna A, Paulus A, Chanan-Khan A. Novel fluorinated curcuminoids and their pyrazole and isoxazole derivatives: Synthesis, structural studies, Computational/Docking and in-vitro bioassay. J Fluor Chem 2018. [DOI: 10.1016/j.jfluchem.2017.11.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Laali KK, Rathman BM, Bunge SD, Qi X, Borosky GL. Fluoro-curcuminoids and curcuminoid-BF2 adducts: Synthesis, X-ray structures, bioassay, and computational/docking study. J Fluor Chem 2016. [DOI: 10.1016/j.jfluchem.2016.09.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Fahmy HH, Khalifa NM, Ismail MMF, El-Sahrawy HM, Nossier ES. Biological Validation of Novel Polysubstituted Pyrazole Candidates with in Vitro Anticancer Activities. Molecules 2016; 21:271. [PMID: 26927048 PMCID: PMC6274324 DOI: 10.3390/molecules21030271] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 02/16/2016] [Accepted: 02/19/2016] [Indexed: 01/01/2023] Open
Abstract
With the aim of developing novel antitumor scaffolds, a novel series of polysubstituted pyrazole derivatives linked to different nitrogenous heterocyclic ring systems at the C-4 position were synthesized through different chemical reactions and characterized by means of spectral and elemental analyses and their antiproliferative activity against 60 different human tumor cell lines was validated by the U.S. National Cancer Institute using a two stage process. The in vitro anticancer evaluation revealed that compound 9 showed increased potency toward most human tumor cell lines with GI50MG-MID = 3.59 µM, as compared to the standard drug sorafenib (GI50 MG-MID = 1.90 µM). At the same time, compounds 6a and 7 were selective against the HOP-92 cell line of non-small cell lung cancer with GI50 1.65 and 1.61 µM, respectively.
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Affiliation(s)
- Hoda H Fahmy
- Department of Therapeutical Chemistry, Pharmaceutical and Drug Industries Division, National Research Centre, Giza 12622, Egypt.
| | - Nagy M Khalifa
- Department of Therapeutical Chemistry, Pharmaceutical and Drug Industries Division, National Research Centre, Giza 12622, Egypt.
- Pharmaceutical Chemistry Department, Drug Exploration & Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Magda M F Ismail
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11754, Egypt.
| | - Hend M El-Sahrawy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11754, Egypt.
| | - Eman S Nossier
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11754, Egypt.
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27
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Kamatchi TS, Kalaivani P, Fronczek FR, Natarajan K, Prabhakaran R. Impact of chelation on anticancer activities of organometallic ruthenium(ii) complexes containing 2,5-di(1H-pyrazol-1-yl)-1,4-benzoquinone: synthesis, structure, DNA/protein binding, antioxidant activity and cytotoxicity. RSC Adv 2016. [DOI: 10.1039/c6ra05867a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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28
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Mabe PJC, Knick SL, Shuler WG, Carlisle SS, Smith EA, Puciaty AJ, McFadden TMC, Potter C, Metz CR, Beam CF, Pennington WT, VanDerveer DG, McMillan CD. Preparation of a Select Tautomer of Various Unsymmetrical 1,3,5-Pentanetriones, (1 Z,4 Z)-1-(Aryl)-1,5-dihydroxy-5-phenylpenta-1,4-dien-3-ones, a 4 H-1-benzothiopyran-4-one, and a 2-(2-oxoyl)quinolin-4(1 H)-one. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b00975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Phillip J. Chase Mabe
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Shabree L. Knick
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - William G. Shuler
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Sarah S. Carlisle
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Ellyn A. Smith
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Andrew J. Puciaty
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Thomas M. C. McFadden
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Chandra Potter
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Clyde R. Metz
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - Charles F. Beam
- Department
of Chemistry and Biochemistry, College of Charleston, Charleston, South Carolina 29424, United States
| | - William T. Pennington
- Department
of Chemistry, Clemson University, Clemson, South Carolina 29636, United States
| | - Donald G. VanDerveer
- Department
of Chemistry, Clemson University, Clemson, South Carolina 29636, United States
| | - Colin D. McMillan
- Department
of Chemistry, Clemson University, Clemson, South Carolina 29636, United States
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29
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Khan KA, Faidallah HM. 1-Substituted carbamoyl and thiocarbamoyl-4,5-dihydro-1H-pyrazoles as possible cytotoxic and antimicrobial agents. J Enzyme Inhib Med Chem 2015; 31:619-27. [DOI: 10.3109/14756366.2015.1057717] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Khalid A. Khan
- Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hassan M. Faidallah
- Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
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30
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Sharma A, Jain A, Saxena S. The structure-activity relationship of some hexacoordinated dimethyltin(IV) complexes of fluorinated β-diketone/β-diketones and sterically congested heterocyclic β-diketones. Appl Organomet Chem 2015. [DOI: 10.1002/aoc.3321] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Arti Sharma
- Department of Chemistry; University of Rajasthan; Jaipur India
| | - Asha Jain
- Department of Chemistry; University of Rajasthan; Jaipur India
| | - Sanjiv Saxena
- Department of Chemistry; University of Rajasthan; Jaipur India
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31
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Synthesis of Asymmetric Curcumin Analogues from CullilawanOil using Conventional and Microwave Method. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.proche.2015.12.082] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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32
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Li PZ, Liu ZQ. Asymmetrical mono-carbonyl ferrocenylidene curcumin and their dihydropyrazole derivatives: Which possesses the highest activity to protect DNA or scavenge radical? Med Chem Res 2014. [DOI: 10.1007/s00044-014-0924-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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33
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Zhang WM, Xing M, Zhao TT, Ren YJ, Yang XH, Yang YS, Lv PC, Zhu HL. Synthesis, molecular modeling and biological evaluation of cinnamic acid derivatives with pyrazole moieties as novel anticancer agents. RSC Adv 2014. [DOI: 10.1039/c4ra05257a] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Compound 30e with potent EGFR and HER-2 inhibitory activity may be a potential anticancer agent.
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Affiliation(s)
- Wei-Ming Zhang
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
| | - Man Xing
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
| | - Ting-Ting Zhao
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
| | - Yu-Jia Ren
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
| | - Xian-Hui Yang
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
| | - Yu-Shun Yang
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
| | - Peng-Cheng Lv
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
| | - Hai-Liang Zhu
- Nanjing Institute for the Comprehensive Utilization of Wild Plant
- Nanjing 210042, People's Republic of China
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210093, People's Republic of China
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34
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Synthesis, anticancer activity and DNA-binding properties of novel 4-pyrazolyl-1,8-naphthalimide derivatives. Bioorg Med Chem Lett 2014; 24:586-90. [DOI: 10.1016/j.bmcl.2013.12.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 11/01/2013] [Accepted: 12/03/2013] [Indexed: 11/24/2022]
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35
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El-Gamel NEA, Farghaly TA. Design and synthesis of novel complexes containing N-phenyl-1H-pyrazole moiety: Ni complex as potential antifungal and antiproliferative compound. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 115:469-475. [PMID: 23871973 DOI: 10.1016/j.saa.2013.06.067] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Revised: 06/07/2013] [Accepted: 06/19/2013] [Indexed: 06/02/2023]
Abstract
Cu(II) (1), Ni(II) (2), Cr(III) (3) and Fe(III) (4) complexes with 3-acetyl-4-benzoyl-1-phenyl-1H-pyrazole (L1) were prepared and structurally characterized. Usual coordination of L1 was achieved through nitrogen of pyrazole moiety and carbonyl acetyl group. Electronic spectra of the complexes indicate that the geometry of the metal center was six coordinate octahedral. In vitro antimicrobial activity of the ligand and complex compounds was screened in terms of antibacterial effect on Staphylococcus aureus (Gram-positive), Escherichia coli (Gram-negative) and antifungal effect on the fungi Aspergillus flavus and candida albicans using the modified Kirby-Bauer disc diffusion and minimum inhibitory concentrations (MIC) methods. Ni(II) complex (2) exhibited remarkable antifungal inhibition against Candida albicans equal to the standard antifungal agent. To continue our study some structural modifications are formed by adding 4-fluoro-benzoyl moiety to L1 in different forms to produce different ligands, 3-acetyl-4-(4-flourobenzoyl)-1-phenyl-1H-pyrazole (L2) and 3-[(3-acetyl-1-phenyl-1H-4-pyrazolyl)carbonyl]-1-phenyl-4-(4-flourobenzoyl)-1H-pyrazole (L3), Ni complexes (5 and 6) are prepared and comparable in vitro antimicrobial study is evaluated. In vitro cytotoxicity of the Ni(II) complex (2) is studied using MTT assay. The analysis of the cell test showed that (2) displayed quite small cytotoxic response at the higher concentration level which indeed would further enable us for more opportunities in therapeutic and biomedical challenges. Both of the capability as a potent in vitro antifungal agent and the cell test analysis show Ni(II) complex (2) as a promising material in the translation of observed in vitro biological phenomenon into clinical therapies settings.
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Affiliation(s)
- Nadia E A El-Gamel
- Chemistry Department, Faculty of Science, Cairo University, 12613 Giza, Egypt.
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Vyas A, Dandawate P, Padhye S, Ahmad A, Sarkar F. Perspectives on new synthetic curcumin analogs and their potential anticancer properties. Curr Pharm Des 2013. [PMID: 23116312 DOI: 10.2174/138161213805289309] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Curcumin is the active component of dried rhizome of Curcuma longa, a perennial herb belonging to ginger family, cultivated extensively in south and southeastern tropical Asia. It is widely consumed in the Indian subcontinent, south Asia and Japan in traditional food recipes. Extensive research over last few decades has shown that curcumin is a potent anti-inflammatory agent with powerful therapeutic potential against a variety of cancers. It suppresses proliferation and metastasis of human tumors through regulation of various transcription factors, growth factors, inflammatory cytokines, protein kinases and other enzymes. It induces apoptotic cell death and also inhibits proliferation of cancer cells by cell cycle arrest. Pharmacokinetic data has shown that curcumin undergoes rapid metabolism leading to glucuronidation and sulfation in the liver and excretion in the feces, which accounts for its poor systemic bioavailability. The compound has, therefore, been formulated and administered using different drug delivery systems such as liposomes, micelles, polysaccharides, phospholipid complexes and nanoparticles that can overcome the limitation of bioavailability to some extent. Attempts to avoid rapid metabolism of curcumin until now have been met with limited success. This has prompted researchers to look for new synthetic curcumin analogs in order to overcome the drawbacks of limited bioavailability and rapid metabolism, and gain efficacy with reduced toxicity. In this review we provide a summarized account of novel synthetic curcumin formulations and analogs, and the recent progress in the field of cancer prevention and treatment.
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Affiliation(s)
- Alok Vyas
- ISTRA, Department of Chemistry, Abeda Inamdar College, University of Pune, Pune 411001, India
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Vyas A, Dandawate P, Padhye S, Ahmad A, Sarkar F. Perspectives on new synthetic curcumin analogs and their potential anticancer properties. Curr Pharm Des 2013. [PMID: 23116312 DOI: 10.2174/1381612811319110007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Curcumin is the active component of dried rhizome of Curcuma longa, a perennial herb belonging to ginger family, cultivated extensively in south and southeastern tropical Asia. It is widely consumed in the Indian subcontinent, south Asia and Japan in traditional food recipes. Extensive research over last few decades has shown that curcumin is a potent anti-inflammatory agent with powerful therapeutic potential against a variety of cancers. It suppresses proliferation and metastasis of human tumors through regulation of various transcription factors, growth factors, inflammatory cytokines, protein kinases and other enzymes. It induces apoptotic cell death and also inhibits proliferation of cancer cells by cell cycle arrest. Pharmacokinetic data has shown that curcumin undergoes rapid metabolism leading to glucuronidation and sulfation in the liver and excretion in the feces, which accounts for its poor systemic bioavailability. The compound has, therefore, been formulated and administered using different drug delivery systems such as liposomes, micelles, polysaccharides, phospholipid complexes and nanoparticles that can overcome the limitation of bioavailability to some extent. Attempts to avoid rapid metabolism of curcumin until now have been met with limited success. This has prompted researchers to look for new synthetic curcumin analogs in order to overcome the drawbacks of limited bioavailability and rapid metabolism, and gain efficacy with reduced toxicity. In this review we provide a summarized account of novel synthetic curcumin formulations and analogs, and the recent progress in the field of cancer prevention and treatment.
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Affiliation(s)
- Alok Vyas
- ISTRA, Department of Chemistry, Abeda Inamdar College, University of Pune, Pune 411001, India
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Mohareb RM, Abdallah AEM, Abdelaziz MA. New approaches for the synthesis of pyrazole, thiophene, thieno[2,3-b]pyridine, and thiazole derivatives together with their anti-tumor evaluations. Med Chem Res 2013. [DOI: 10.1007/s00044-013-0664-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Viale M, Anzaldi M, Aiello C, Fenoglio C, Albicini F, Emionite L, Gangemi R, Balbi A. Evaluation of the anti-proliferative activity of three new pyrazole compounds in sensitive and resistant tumor cell lines. Pharmacol Rep 2013; 65:717-23. [DOI: 10.1016/s1734-1140(13)71050-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 01/08/2013] [Indexed: 10/25/2022]
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Chen WJ, Zhou CX, Yao PF, Wang XX, Tan JH, Li D, Ou TM, Gu LQ, Huang ZS. Disubstituted 1,8-dipyrazolcarbazole derivatives as a new type of c-myc G-quadruplex binding ligands. Bioorg Med Chem 2012; 20:2829-36. [PMID: 22484007 DOI: 10.1016/j.bmc.2012.03.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2012] [Revised: 03/13/2012] [Accepted: 03/14/2012] [Indexed: 11/19/2022]
Abstract
A series of 1,8-dipyrazolcarbazole (DPC) derivatives (6a-6d, 7a-7d) designed as G-quadruplex ligands have been synthesized and characterized. The FRET-melting and SPR results showed that the DPC derivatives could well recognize G-quadruplex with strong discrimination against the duplex DNA. In addition, the DPC derivatives showed much stronger stabilization activities and binding affinities for c-myc G-quadruplex rather than telomeric G-quadruplex. Therefore, their interactions with c-myc G-quadruplex were further explored by means of CD spectroscopy, PCR-stop assay, and molecular modeling. In cellular studies, all compounds showed strong cytotoxicity against cancer cells, while weak cytotoxicity towards normal cells. RT-PCR assay showed that compound 7b could down-regulate c-myc gene expression in Ramos cell line, while had no effect on c-myc expression in CA46 cell line with NHE III(1) element removed, indicating its effective binding with G-quadruplex on c-myc oncogene in vivo.
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Affiliation(s)
- Wei-Jia Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, People's Republic of China
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Shaw J, Chen B, Bourgault JP, Jiang H, Kumar N, Mishra J, Valeriote FA, Media J, Bobbitt K, Pietraszkiewicz H, Edelstein M, Andreana PR. Synthesis and Biological Evaluation of Novel N-phenyl-5-carboxamidyl Isoxazoles as Potential Chemotherapeutic Agents for Colon Cancer. ACTA ACUST UNITED AC 2012; 4:14-25. [PMID: 25285182 DOI: 10.5099/aj120100014] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A new series of isoxazole derivatives, N-phenyl-5-carboxamidyl isoxazoles, was investigated for their anticancer activity with solid tumor selectivity. Six N-phenyl-5-carboxamidylisoxazoles were chemically synthesized and evaluated by the in vitro disk-diffusion assay and IC50 cytotoxicity determination. The results showed that one of the derivatives, compound 3,N-(4-chlorophenyl)-5-carboxamidyl isoxazole, was the most active against colon 38 and CT-26 mouse colon tumor cells with an IC50 of 2.5 μg/mL for both cell lines. Western blot analysis showed that compound 3 significantly down-regulated the expression of phosphorylated STAT3 in both human and mouse colon cancer cells indicating that the mechanism of action for compound 3 may involve the inhibition of JAK3/STAT3 signaling pathways. Flow cytometric analysis with Annexin V staining showed that the death induced by compound 3 is mediated through cell necrosis and not apoptotic pathway. In summary, our results show that compound 3 is a new N-phenyl-5-carboxamidyl isoxazole with potential anticancer activity. Compound 3 inhibits the phosphorylation of STAT3, a novel target for chemotherapeutic drugs, and is worthy of further investigation as a potential chemotherapeutic agent for treating colon cancer.
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Affiliation(s)
- Jiajiu Shaw
- 21 Century Therapeutics, Inc., Ferndale, MI 48220, USA
| | - Ben Chen
- Department of Internal Medicine, Wayne State University, Detroit, Michigan 48201, USA
| | - Jean P Bourgault
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA
| | - Hao Jiang
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan 48202, USA
| | - Narendra Kumar
- Department of Pharmaceutical Sciences, ILR College of Pharmacy, Texas A&M University System Health Science Center, Kingsville, Texas 78363, USA
| | - Jayshree Mishra
- Department of Pharmaceutical Sciences, ILR College of Pharmacy, Texas A&M University System Health Science Center, Kingsville, Texas 78363, USA
| | | | - Joe Media
- Department of Internal Medicine, Henry Ford Hospital, Detroit, Michigan 48202, USA
| | - Kevin Bobbitt
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, Michigan 48202, USA
| | | | - Matthew Edelstein
- Department of Internal Medicine, Henry Ford Hospital, Detroit, Michigan 48202, USA
| | - Peter R Andreana
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA
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Balbi A, Anzaldi M, Macciò C, Aiello C, Mazzei M, Gangemi R, Castagnola P, Miele M, Rosano C, Viale M. Synthesis and biological evaluation of novel pyrazole derivatives with anticancer activity. Eur J Med Chem 2011; 46:5293-309. [PMID: 21920636 DOI: 10.1016/j.ejmech.2011.08.014] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 07/19/2011] [Accepted: 08/09/2011] [Indexed: 11/24/2022]
Abstract
We synthesized thirty-six novel pyrazole derivatives and studied their antiproliferative activity in human ovarian adenocarcinoma A2780 cells, human lung carcinoma A549 cells, and murine P388 leukemia cells. Four of these substances were selected because of their higher antiproliferative activity and further analyses showed that they were all able to induce apoptosis, although to a different extent. The expression of p53 and p21(waf1), which induce apoptosis and cell cycle arrest, was evaluated by western blot analysis in cells treated with compound 12d. The analysis of the cell cycle showed that all the selected compounds cause a partial G2/M block and the formation of polyploid cells. Furthermore, the four selected compounds were tested for their interaction with the microtubular cytoskeletal system by docking analysis, tubulin polymerization assay and immunofluorescence staining, demonstrating that the compound 12d, unlike the other active derivatives, was able to significantly bind dimers of α- and β-tubulin, probably causing a molecular distortion resulting in the disassembly of microtubules.
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Affiliation(s)
- Alessandro Balbi
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Genova, V.le Benedetto XV 3, 16132 Genova, Italy.
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Kanwar SS, Yu Y, Nautiyal J, Patel BB, Padhye S, Sarkar FH, Majumdar APN. Difluorinated-curcumin (CDF): a novel curcumin analog is a potent inhibitor of colon cancer stem-like cells. Pharm Res 2010; 28:827-38. [PMID: 21161336 DOI: 10.1007/s11095-010-0336-y] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2010] [Accepted: 11/23/2010] [Indexed: 02/06/2023]
Abstract
PURPOSE Recurrence of colon cancer, which affects nearly 50% of patients treated by conventional therapeutics, is thought to be due to re-emergence of chemotherapy-resistant cancer stem/stem-like cells (CSCs). Therefore, development of therapeutic strategies for targeted elimination of CSCs would be a novel strategy. The current study examines whether difluorinated-curcumin (CDF), a novel analog of the dietary ingredient of curcumin, in combination with 5-fluorouracil and oxaliplatin (5-FU + Ox), the mainstay of colon cancer chemotherapeutic, would be effective in eliminating colon CSCs. METHODS Multiple methodologies that include real-time RT-PCR, Western blot, MTT assay, caspase-3 activity, colonosphere formation, Hoechst-33342 dye exclusion and NF-κB-ELISA were used. RESULTS We observed that CDF together with 5-FU + Ox were more potent than curcumin in reducing CD44 and CD166 in chemo-resistant colon cancer cells, accompanied by inhibition of growth, induction of apoptosis and disintegration of colonospheres. These changes were associated with down-regulation of the membrane transporter ABCG2 and attenuation of EGFR, IGF-1R, and NF-κB signaling consistent with inactivation of β-catenin, COX-2, c-Myc and Bcl-xL and activation of the pro-apoptotic Bax. CONCLUSIONS Our results suggest that CDF together with the conventional chemotherapeutics could be an effective treatment strategy for preventing the emergence of chemo-resistant colon cancer cells by eliminating CSCs.
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Changtam C, Hongmanee P, Suksamrarn A. Isoxazole analogs of curcuminoids with highly potent multidrug-resistant antimycobacterial activity. Eur J Med Chem 2010; 45:4446-57. [PMID: 20691508 DOI: 10.1016/j.ejmech.2010.07.003] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Revised: 06/20/2010] [Accepted: 07/03/2010] [Indexed: 10/19/2022]
Abstract
Curcumin (1), demethoxycurcumin (2) and bisdemethoxycurcumin (3), the curcuminoid constituents of the medicinal plant Curcuma longa L., have been structurally modified to 55 analogs and antimycobacterial activity against Mycobacterium tuberculosis has been evaluated. Among the highly active curcuminoids, the isoxazole analogs are the most active group, with mono-O-methylcurcumin isoxazole (53) being the most active compound (MIC 0.09 microg/mL). It was 1131-fold more active than curcumin (1), the parent compound, and was approximately 18 and 2-fold more active than the standard drugs kanamycin and isoniazid, respectively. Compound 53 also exhibited high activity against the multidrug-resistant M. tuberculosis clinical isolates, with the MICs of 0.195-3.125 microg/mL. The structural requirements for a curcuminoid analog to exhibit antimycobacterial activity are the presence of an isoxazole ring and two unsaturated bonds on the heptyl chain. The presence of a suitable para-alkoxyl group on the aromatic ring which is attached in close proximity to the nitrogen function of the isoxazole ring and a free para-hydroxyl group on another aromatic ring enhances the biological activity.
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Affiliation(s)
- Chatchawan Changtam
- Department of Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok 10240, Thailand
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