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Ghosal S, Bag S, Chinnadurai RK, Mukherjee M, Pramanik G, Bhowmik S. Investigating the preferential interaction between imatinib mesylate and VEGF G-quadruplex DNA as therapeutic strategies for cancer treatment: Biophysical and molecular modelling approaches. Comput Biol Med 2024; 177:108683. [PMID: 38838555 DOI: 10.1016/j.compbiomed.2024.108683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/07/2024]
Abstract
G-Quadruplex DNA (GQ-DNA) is one of the most important non-canonical nucleic acid structures. GQ-DNA forming sequences are present in different crucial genomic regions and are abundant in promoter regions of several oncogenes. Therefore, GQ-DNA is an important target for anticancer drugs and hence binding interactions between GQ-DNA and small molecule ligands are of great importance. Since GQ-DNA is a highly polymorphic structure, it is important to identify ligand molecules which preferentially target a particular quadruplex sequence. In this present study, we have used a FDA approved drug called imatinib mesylate (ligand) which is a selective tyrosine kinase inhibitor, successfully used for the treatment of chronic myelogenous leukaemia, gastrointestinal stromal tumours. Different spectroscopic techniques as well as molecular docking investigations and molecular simulations have been used to explore the interaction between imatinib mesylate with VEGF GQ DNA structures along with duplex DNA, C-Myc, H-Telo GQ DNA. We found that imatinib mesylate shows preferential interaction towards VEGF GQ DNA compared to C-Myc, H-Telo GQ and duplex DNA. Imatinib mesylate seems to be an efficient ligand for VEGF GQ DNA, suggesting that it might be used to regulate the expression of genes in cancerous cells.
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Affiliation(s)
- Souvik Ghosal
- Mahatma Gandhi Medical Advanced Research Institute (MGMARI), Sri Balaji Vidyapeeth (Deemed to be University), Pondy-Cuddalore Main Road, Pillaiyarkuppam, Pondicherry, 607402, India
| | - Sagar Bag
- Department of Biophysics, Molecular Biology and Bioinformatics, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India
| | - Raj Kumar Chinnadurai
- Mahatma Gandhi Medical Advanced Research Institute (MGMARI), Sri Balaji Vidyapeeth (Deemed to be University), Pondy-Cuddalore Main Road, Pillaiyarkuppam, Pondicherry, 607402, India
| | - Moupriya Mukherjee
- UGC-DAE Consortium for Scientific Research, Kolkata Centre, Sector III, LB-8, Bidhan Nagar, Kolkata, 700 106, India
| | - Goutam Pramanik
- UGC-DAE Consortium for Scientific Research, Kolkata Centre, Sector III, LB-8, Bidhan Nagar, Kolkata, 700 106, India
| | - Sudipta Bhowmik
- Mahatma Gandhi Medical Advanced Research Institute (MGMARI), Sri Balaji Vidyapeeth (Deemed to be University), Pondy-Cuddalore Main Road, Pillaiyarkuppam, Pondicherry, 607402, India; Department of Biophysics, Molecular Biology and Bioinformatics, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India.
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2
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Choudhury SD, Kumar P, Choudhury D. Bioactive nutraceuticals as G4 stabilizers: potential cancer prevention and therapy-a critical review. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:3585-3616. [PMID: 38019298 DOI: 10.1007/s00210-023-02857-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 11/13/2023] [Indexed: 11/30/2023]
Abstract
G-quadruplexes (G4) are non-canonical, four-stranded, nucleic acid secondary structures formed in the guanine-rich sequences, where guanine nucleotides associate with each other via Hoogsteen hydrogen bonding. These structures are widely found near the functional regions of the mammalian genome, such as telomeres, oncogenic promoters, and replication origins, and play crucial regulatory roles in replication and transcription. Destabilization of G4 by various carcinogenic agents allows oncogene overexpression and extension of telomeric ends resulting in dysregulation of cellular growth-promoting oncogenesis. Therefore, targeting and stabilizing these G4 structures with potential ligands could aid cancer prevention and therapy. The field of G-quadruplex targeting is relatively nascent, although many articles have demonstrated the effect of G4 stabilization on oncogenic expressions; however, no previous study has provided a comprehensive analysis about the potency of a wide variety of nutraceuticals and some of their derivatives in targeting G4 and the lattice of oncogenic cell signaling cascade affected by them. In this review, we have discussed bioactive G4-stabilizing nutraceuticals, their sources, mode of action, and their influence on cellular signaling, and we believe our insight would bring new light to the current status of the field and motivate researchers to explore this relatively poorly studied arena.
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Affiliation(s)
- Satabdi Datta Choudhury
- Department of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, Punjab, 147004, India
| | - Prateek Kumar
- School of Basic Sciences, Indian Institute of Technology (IIT), Mandi, Himachal Pradesh, 175005, India
| | - Diptiman Choudhury
- Department of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, Punjab, 147004, India.
- Centre for Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala, Punjab, 147004, India.
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3
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Stężycka O, Kasperkowiak M, Frańska M, Nowak D, Hoffmann M. Oxygen Atom from Carbonyl Group as an Important Binding Agent to the G-Quadruplex - Study Case of Flavonoids. Chempluschem 2024:e202400186. [PMID: 38713672 DOI: 10.1002/cplu.202400186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 05/02/2024] [Accepted: 05/02/2024] [Indexed: 05/09/2024]
Abstract
In the field of anticancer therapy study it is of great interest to find effective G-quadruplex ligands which may be of potential use in medical treatment or cancer prevention. Since among the compounds of natural origin, flavonoids have attracted notable attention because of their unique properties and promising therapeutic applications, an interesting question was to identify the flavonoid structural features that could provide effective binding properties toward G-quadruplex. By using electrospray ionization mass spectrometry, followed by the survival yield method, it has been shown that the flavonoid molecules which contain an available C4=O carbonyl group form more stable adducts with G-tetrads than the other ones. Molecular docking has shown that C4=O carbonyl group can be a source of hydrogen bonds and/or π-stacking interactions. Therefore, the flavonoid molecules which contain an available C4=O carbonyl group can be regarded as good binders of G-quadruplexes.
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Affiliation(s)
- Olga Stężycka
- Institute of Chemistry and Technical Electrochemistry, Poznań University of Technology, Berdychowo 4, 60-965, Poznań, Poland
| | - Małgorzata Kasperkowiak
- Centre for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, 61-614, Poznań, Poland
| | - Magdalena Frańska
- Institute of Chemistry and Technical Electrochemistry, Poznań University of Technology, Berdychowo 4, 60-965, Poznań, Poland
| | - Damian Nowak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Marcin Hoffmann
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
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4
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Nagasawa R, Onizuka K, Komatsu KR, Miyashita E, Murase H, Ojima K, Ishikawa S, Ozawa M, Saito H, Nagatsugi F. Large-scale analysis of small molecule-RNA interactions using multiplexed RNA structure libraries. Commun Chem 2024; 7:98. [PMID: 38693284 DOI: 10.1038/s42004-024-01181-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 04/17/2024] [Indexed: 05/03/2024] Open
Abstract
The large-scale analysis of small-molecule binding to diverse RNA structures is key to understanding the required interaction properties and selectivity for developing RNA-binding molecules toward RNA-targeted therapies. Here, we report a new system for performing the large-scale analysis of small molecule-RNA interactions using a multiplexed pull-down assay with RNA structure libraries. The system profiled the RNA-binding landscapes of G-clamp and thiazole orange derivatives, which recognizes an unpaired guanine base and are good probes for fluorescent indicator displacement (FID) assays, respectively. We discuss the binding preferences of these molecules based on their large-scale affinity profiles. In addition, we selected combinations of fluorescent indicators and different ranks of RNA based on the information and screened for RNA-binding molecules using FID. RNAs with high- and intermediate-rank RNA provided reliable results. Our system provides fundamental information about small molecule-RNA interactions and facilitates the discovery of novel RNA-binding molecules.
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Affiliation(s)
- Ryosuke Nagasawa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, 980-8577, Japan
- Department of Chemistry, Graduate School of Science, Tohoku University, Miyagi, 980-8578, Japan
| | - Kazumitsu Onizuka
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, 980-8577, Japan.
- Department of Chemistry, Graduate School of Science, Tohoku University, Miyagi, 980-8578, Japan.
- Division for the Establishment of Frontier Sciences of Organization for Advanced Studies, Tohoku University, Miyagi, 980-8577, Japan.
| | - Kaoru R Komatsu
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan
| | - Emi Miyashita
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan
| | - Hirotaka Murase
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, 980-8577, Japan
| | - Kanna Ojima
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, 980-8577, Japan
- Department of Chemistry, Graduate School of Science, Tohoku University, Miyagi, 980-8578, Japan
| | - Shunya Ishikawa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, 980-8577, Japan
- Department of Chemistry, Graduate School of Science, Tohoku University, Miyagi, 980-8578, Japan
| | - Mamiko Ozawa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, 980-8577, Japan
| | - Hirohide Saito
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan.
| | - Fumi Nagatsugi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, 980-8577, Japan.
- Department of Chemistry, Graduate School of Science, Tohoku University, Miyagi, 980-8578, Japan.
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5
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Ye H, Zhang H, Xiang J, Shen G, Yang F, Wang F, Wang J, Tang Y. Advances and prospects of natural dietary polyphenols as G-quadruplex stabilizers in biomedical applications. Int J Biol Macromol 2024; 254:127825. [PMID: 37926317 DOI: 10.1016/j.ijbiomac.2023.127825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/09/2023] [Accepted: 10/16/2023] [Indexed: 11/07/2023]
Abstract
G-quadruplexes (G4s) have arrested continuous interest in cancer research, and targeting G4s with small molecules has become an ideal approach for drug development. Plant-based dietary polyphenols have attracted much attention for their remarkable anti-cancer effects. Studies have suggested that polyphenols exhibit interesting scaffolds to bind G4s, which can effectively downregulate the proto-oncogenes by stabilizing those G4 structures. Therefore, this review not only summarizes studies on natural dietary polyphenols (including analogs) as G4 stabilizers, but also reveals their anti-cancer activities. Furthermore, the structural and antioxidant insights of polyphenols with G4s are discussed, and future development is proposed. These insights may pave the way for the development of the next generation of anti-cancer drugs targeting nucleic acids.
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Affiliation(s)
- Huanfeng Ye
- National Laboratory for Molecular Sciences, Center for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Hong Zhang
- National Laboratory for Molecular Sciences, Center for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, PR China; Beijing National Laboratory for Molecular Sciences (BNLMS), PR China.
| | - Junfeng Xiang
- National Laboratory for Molecular Sciences, Center for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Gang Shen
- National Laboratory for Molecular Sciences, Center for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, PR China; Beijing National Laboratory for Molecular Sciences (BNLMS), PR China
| | - Fengmin Yang
- National Laboratory for Molecular Sciences, Center for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, PR China; Beijing National Laboratory for Molecular Sciences (BNLMS), PR China
| | - Fangfang Wang
- National Laboratory for Molecular Sciences, Center for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Jie Wang
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, PR China.
| | - Yalin Tang
- National Laboratory for Molecular Sciences, Center for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; Beijing National Laboratory for Molecular Sciences (BNLMS), PR China.
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6
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Kumar S, Swamy N, Tuli HS, Rani S, Garg A, Mishra D, Abdulabbas HS, Sandhu SS. Myricetin: a potential plant-derived anticancer bioactive compound-an updated overview. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:2179-2196. [PMID: 37083713 DOI: 10.1007/s00210-023-02479-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/28/2023] [Indexed: 04/22/2023]
Abstract
The globe is currently confronting a global fight against the deadliest cancer sickness. Chemotherapy, hormonal therapy, surgery, and radiation therapy are among cancer treatment options. Still, these treatments can induce patient side effects, including recurrence, multidrug resistance, fever, and weakness. As a result, the scientific community is always working on natural phytochemical substances. Numerous phytochemical compounds, including taxol analogues, vinca alkaloids such as vincristine and vinblastine, and podophyllotoxin analogues, are currently undergoing testing and have shown promising results against a number of the deadliest diseases, as well as considerable advantages due to their safety and low cost. According to research, secondary plant metabolites such as myricetin, a flavonoid in berries, herbs, and walnuts, have emerged as valuable bio-agents for cancer prevention. Myricetin and its derivatives have antiinflammatory, anticancer, apoptosis-inducing, and anticarcinogenic properties and can prevent cancer cell proliferation. Multiple studies have found that myricetin has anticancer characteristics in various malignancies, including colon, breast, prostate, bladder, and pancreatic cancers. Current knowledge of the anticancer effects of myricetin reveals its promise as a potentially bioactive chemical produced from plants for the prevention and treatment of cancer. This review aimed to study the numerous bioactivities, mode of action, and modification of several cellular processes that myricetin possesses to impede the spread of cancer cells. This review also addresses the challenges and future prospects of using myricetin as a anticancer drug.
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Affiliation(s)
- Suneel Kumar
- Department of Botany, Government Girls College Khargone, 451001, Khargone, Madhya Pradesh, India
| | - Nitin Swamy
- Fungal Biotechnology and Invertebrate Pathology Laboratory, Department of Biological Sciences, Rani Durgavati University, Jabalpur, 482001, Madhya Pradesh, India
| | - Hardeep Singh Tuli
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to Be University), Mullana, Ambala, 133207, Haryana, India
| | - Seema Rani
- Department of Chemistry, Government M. H. College of Home Science & Science for Women, Autonomous, Jabalpur, 482002, Madhya Pradesh, India
| | - Abhijeet Garg
- Fungal Biotechnology and Invertebrate Pathology Laboratory, Department of Biological Sciences, Rani Durgavati University, Jabalpur, 482001, Madhya Pradesh, India
| | - Deepa Mishra
- Department of Biotechnology, Mata Gujri Mahila Mahavidyalaya Jabalpur, 482001, Jabalpur, Madhya Pradesh, India
| | - Hadi Sajid Abdulabbas
- Continuous Education Department, Faculty of Dentistry, University of Al-Ameed, Karbala, 56001, Iraq
| | - Sardul Singh Sandhu
- Bio-Design Innovation Centre, Rani Durgavati University, Jabalpur, 482001, Madhya Pradesh, India.
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7
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Gaur P, Tyagi C. Unraveling the Mechanism of Action of Myricetin in the Inhibition of hUba1∼Ubiquitin Thioester Bond Formation via In Silico Molecular Modeling Techniques. ACS OMEGA 2023; 8:30432-30441. [PMID: 37636942 PMCID: PMC10448642 DOI: 10.1021/acsomega.3c03605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 07/19/2023] [Indexed: 08/29/2023]
Abstract
Ubiquitination is a crucial type of protein modification which helps to control substrate degradation and maintain cell homeostasis. Recent studies suggest that ubiquitination and deubiquitination are involved in regulating metabolic reprogramming in cancer cells and maintaining cancer stem cells. Uba1, a crucial protein in the ubiquitination cascade, can be targeted to develop effective inhibitors for cancer treatment. In previous work, we showed that myricetin (Myr) acts as a potential human Uba1 (hUba1) inhibitor. In this study, we have utilized computational modeling techniques to attempt to illustrate the mechanism of action of Myr. Through extra-precision docking, we confirmed that Myr binds to the adenosine triphosphate (ATP)-binding site of hUba1 (referred to as hotspot 1) with the highest binding affinity. The dynamics of this interaction revealed that hUba1 undergoes a conformational shift from open to closed upon binding of Myr. Myr also migrates outward to interact with the crossover loop simultaneously as the rotational shift of the ubiquitin fold domain (UFD) takes place, thereby blocking access to the ubiquitin binding interface of hUba1 and the crossover loop. The outward migration also explains the reversible nature of Myr binding to hUba1 in previous experiments. We hypothesize that Myr acts as an inhibitor of Uba1∼Ub thioester bond formation by causing a large domain shift toward a closed conformation. Few other analogues of Myr containing the same flavone skeleton showed promising docking scores against hUba1 and could be considered for further validation. We propose that Myr and some of its analogues reported in this study may be promising candidates for developing effective Uba1 inhibitors for cancer treatment.
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Affiliation(s)
- Paras Gaur
- Institute
of Genetics, Biological Research Centre, Temesvári krt. 62, 6726 Szeged, Hungary
| | - Chetna Tyagi
- Department
of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary
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8
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Roy S, Maiti B, Banerjee N, Kaulage MH, Muniyappa K, Chatterjee S, Bhattacharya S. New Xanthone Derivatives as Potent G-Quadruplex Binders for Developing Anti-Cancer Therapeutics. ACS Pharmacol Transl Sci 2023; 6:546-566. [PMID: 37082748 PMCID: PMC10111628 DOI: 10.1021/acsptsci.2c00205] [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: 10/23/2022] [Indexed: 04/22/2023]
Abstract
Xanthone is an important scaffold for various medicinally relevant compounds. However, it has received scant attention in the design of agents that are cytotoxic to cancer cells via targeting the stabilization of G-quadruplex (G4) nucleic acids. Specific G4 DNA recognition against double-stranded (ds) DNA is receiving epoch-making interest for the development of G4-mediated anticancer agents. Toward this goal, we have synthesized xanthone-based derivatives with various functionalized side-arm substituents that exhibited significant selectivity for G4 DNA as compared to dsDNA. The specific interaction has been demonstrated by performing various biophysical experiments. Based on the computational study as well as the competitive ligand binding assay, it is inferred that the potent compounds exhibit an end-stacking mode of binding with G4 DNA. Additionally, compound-induced conformational changes in the flanking nucleotides form the binding pocket for effective interaction. Selective action of the compounds on cancer cells suggests their effectiveness as potent anti-cancer agents. This study promotes the importance of structure-based screening approaches to get molecular insights for new scaffolds toward desired specific recognition of non-canonical G4 DNA structures.
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Affiliation(s)
- Soma Roy
- Department
of Organic Chemistry, Indian Institute of
Science, Bangalore 560012, India
- School
of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Bappa Maiti
- School
of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Nilanjan Banerjee
- Department
of Biophysics, Bose Institute, P-1/12 CIT Scheme VII (M), Kolkata 700054, India
| | - Mangesh H. Kaulage
- Department
of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Kalappa Muniyappa
- Department
of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Subhrangsu Chatterjee
- Department
of Biophysics, Bose Institute, P-1/12 CIT Scheme VII (M), Kolkata 700054, India
| | - Santanu Bhattacharya
- Department
of Organic Chemistry, Indian Institute of
Science, Bangalore 560012, India
- School
of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
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9
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Mohammed HA, Emwas AH, Khan RA. Salt-Tolerant Plants, Halophytes, as Renewable Natural Resources for Cancer Prevention and Treatment: Roles of Phenolics and Flavonoids in Immunomodulation and Suppression of Oxidative Stress towards Cancer Management. Int J Mol Sci 2023; 24:ijms24065171. [PMID: 36982245 PMCID: PMC10048981 DOI: 10.3390/ijms24065171] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/26/2023] [Accepted: 03/03/2023] [Indexed: 03/30/2023] Open
Abstract
Halophytes and xerophytes, plants with adequate tolerance to high salinity with strong ability to survive in drought ecosystem, have been recognized for their nutritional and medicinal values owing to their comparatively higher productions of secondary metabolites, primarily the phenolics, and the flavonoids, as compared to the normal vegetation in other climatic regions. Given the consistent increases in desertification around the world, which are associated with increasing salinity, high temperature, and water scarcity, the survival of halophytes due to their secondary metabolic contents has prioritized these plant species, which have now become increasingly important for environmental protection, land reclamation, and food and animal-feed security, with their primary utility in traditional societies as sources of drugs. On the medicinal herbs front, because the fight against cancer is still ongoing, there is an urgent need for development of more efficient, safe, and novel chemotherapeutic agents, than those currently available. The current review describes these plants and their secondary-metabolite-based chemical products as promising candidates for developing newer cancer therapeutics. It further discusses the prophylactic roles of these plants, and their constituents in prevention and management of cancers, through an exploration of their phytochemical and pharmacological properties, with a view on immunomodulation. The important roles of various phenolics and structurally diverse flavonoids as major constituents of the halophytes in suppressing oxidative stress, immunomodulation, and anti-cancer effects are the subject matter of this review and these aspects are outlined in details.
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Affiliation(s)
- Hamdoon A Mohammed
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraydah 51452, Saudi Arabia
- Department of Pharmacognosy and Medicinal Plants, Faculty of Pharmacy, Al-Azhar University, Cairo 11371, Egypt
| | - Abdul-Hamid Emwas
- Core Labs, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
| | - Riaz A Khan
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraydah 51452, Saudi Arabia
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10
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Structural insights and shedding light on preferential interactions of dietary flavonoids with G-quadruplex DNA structures: A new horizon. Heliyon 2023; 9:e13959. [PMID: 36879969 PMCID: PMC9984854 DOI: 10.1016/j.heliyon.2023.e13959] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 02/16/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
G-quadruplex, a structurally unique structure in nucleic acids present all throughout the human genome, has sparked great attention in therapeutic investigations. Targeting G-quadruplex structure is a new strategy for the drug development. Flavonoids are found in almost all dietary plant-based beverages and food products; therefore, they are ingested in significant proportions through the human diet. Although synthetically developed drug molecules are used vigorously but they have various adverse effects. While on the other hand, nature supplies chemically unique scaffolds in the form of distinct dietary flavonoids that are easily accessible, less poisonous, and have higher bioavailability. Because of their great pharmacological effectiveness and minimal cytotoxicity, such low molecular weight compounds are feasible alternatives to synthetic therapeutic medicines. Therefore, from a drug-development point of view, investigation on screening the binding capabilities of quadruplex-interactive small natural compounds like dietary flavonoids are expected to be highly effective, with a particular emphasis on the selectivity towards polymorphic G-quadruplex structures. In this respect, quadruplexes have scintillated research into their potential interaction with these dietary flavonoids. The purpose of this review is to offer an up-to-date close-up look at the research on their interaction with structurally varied dietary flavonoids with the goal of providing newer perspectives to construct novel therapeutic agents for next-generation disease managements.
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11
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Duan N, Hu X, Zhou R, Li Y, Wu W, Liu N. A Review on Dietary Flavonoids as Modulators of the Tumor Microenvironment. Mol Nutr Food Res 2023; 67:e2200435. [PMID: 36698331 DOI: 10.1002/mnfr.202200435] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The tumor microenvironment (TME) is the local environment where malignant cells strive and survive, composed of cancer cells and their surroundings, regulating essential tumor survival, and promotion functions. Dietary flavonoids are abundantly present in common vegetables and fruits and exhibit good anti-cancer activities, which significantly inhibit tumorigenesis by targeting TME constituents and their interaction with cancer cells. This review aims to synthesize information concerning the modulation of TME by dietary flavonoids, as well as to provide insights into the molecular basis of its potential anti-tumor activities, with an emphasis on its ability to control intracellular signaling cascades that regulate the TME processes, involving cell proliferation, invasion and migration, continuous angiogenesis, and immune inflammation. This study will provide a theoretical basis for the development of the leading compound targeting TME for anti-cancer therapies from these dietary flavonoids.
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Affiliation(s)
- Namin Duan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Xiaohui Hu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Rui Zhou
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Yuru Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Wenhui Wu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Ning Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China.,National R&D Branch Center for Freshwater Aquatic Products Processing Technology, Shanghai, 201306, China.,National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, 201306, China.,Marine Biomedical Science and Technology Innovation Platform of Lin-gang Special Area, Shanghai, 201306, China
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12
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Crosstalk between xanthine oxidase (XO) inhibiting and cancer chemotherapeutic properties of comestible flavonoids- a comprehensive update. J Nutr Biochem 2022; 110:109147. [PMID: 36049673 DOI: 10.1016/j.jnutbio.2022.109147] [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: 06/03/2021] [Revised: 12/17/2021] [Accepted: 08/10/2022] [Indexed: 01/13/2023]
Abstract
Gout is an inflammatory disease caused by metabolic disorder or genetic inheritance. People throughout the world are strongly dependent on ethnomedicine for the treatment of gout and some receive satisfactory curative treatment. The natural remedies as well as established drugs derived from natural sources or synthetically made exert their action by mechanisms that are closely associated with anticancer treatment mechanisms regarding inhibition of xanthine oxidase, feedback inhibition of de novo purine synthesis, depolymerization and disappearance of microtubule, inhibition of NF-ĸB activation, induction of TRAIL, promotion of apoptosis, and caspase activation and proteasome inhibition. Some anti-gout and anticancer novel compounds interact with same receptors for their action, e.g., colchicine and colchicine analogues. Dietary flavonoids, i.e., chrysin, kaempferol, quercetin, fisetin, pelargonidin, apigenin, luteolin, myricetin, isorhamnetin, phloretinetc etc. have comparable IC50 values with established anti-gout drug and effective against both cancer and gout. Moreover, a noticeable number of newer anticancer compounds have already been isolated from plants that have been using by local traditional healers and herbal practitioners to treat gout. Therefore, the anti-gout plants might have greater potentiality to become selective candidates for screening of newer anticancer leads.
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13
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Effects of G-Quadruplex-Binding Plant Secondary Metabolites on c-MYC Expression. Int J Mol Sci 2022; 23:ijms23169209. [PMID: 36012470 PMCID: PMC9409388 DOI: 10.3390/ijms23169209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/12/2022] [Accepted: 08/14/2022] [Indexed: 11/25/2022] Open
Abstract
Guanine-rich DNA sequences tending to adopt noncanonical G-quadruplex (G4) structures are over-represented in promoter regions of oncogenes. Ligands recognizing G4 were shown to stabilize these DNA structures and drive their formation regulating expression of corresponding genes. We studied the interaction of several plant secondary metabolites (PSMs) with G4s and their effects on gene expression in a cellular context. The binding of PSMs with G4s formed by the sequences of well-studied oncogene promoters and telomeric repeats was evaluated using a fluorescent indicator displacement assay. c-MYC G4 folding topology and thermal stability, as well as the PMS influence on these parameters, were demonstrated by UV-spectroscopy and circular dichroism. The effects of promising PSMs on c-MYC expression were assessed using luciferase reporter assay and qPR-PCR in cancer and immortalized cultured cells. The ability of PMS to multi-targeting cell signaling pathways was analyzed by the pathway-focused gene expression profiling with qRT-PCR. The multi-target activity of a number of PSMs was demonstrated by their interaction with a set of G4s mimicking those formed in the human genome. We have shown a direct G4-mediated down regulation of c-MYC expression by sanguinarine, quercetin, kaempferol, and thymoquinone; these effects being modulated by PSM’s indirect influence via cell signaling pathways.
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14
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Li Q, Tan Q, Ma Y, Gu Z, Chen S. Myricetin Suppresses Ovarian Cancer In Vitro by Activating the p38/Sapla Signaling Pathway and Suppressing Intracellular Oxidative Stress. Front Oncol 2022; 12:903394. [PMID: 35646711 PMCID: PMC9130763 DOI: 10.3389/fonc.2022.903394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/13/2022] [Indexed: 11/13/2022] Open
Abstract
Ovarian cancer is a common malignancy with a mortality and effective, efficient treatments are urgently needed. Myricetin (Myr) is a flavonoid with antioxidant and anticancer properties. Here, we assessed Myr's toxicity on the non-tumor cell line, IOSE-80 and the mechanism by which it suppresses proliferation, migration, and invasion of ovarian cancer SKOV3 cells. The effects of Myr on SKOV3 cells were assessed using CCK-8, oxidative stress, wound healing, Transwell, Hoechst 33258 staining, and western blot assays. Our data show that although Myr was not toxic against IOSE-80 cells for a range of concentrations 0-40μM, it suppressed SKOV3 cell proliferation, migration, and invasion and enhanced apoptosis. Mechanistically, it activated the p38/Sapla signaling pathway, thereby inhibiting oxidative stress and reducing the level of ROS in tumor cells. Our data show that Myr suppresses ovarian cancer cells in vitro and suggests Myr as a candidate agent against ovarian cancer.
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Affiliation(s)
- Qi Li
- Department of Pathology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Qi Tan
- Department of Pathology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Yangfei Ma
- Department of Pathology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Zehui Gu
- Department of Pathology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Suxian Chen
- Department of Pathology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
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15
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Molecular Pathways Involved in the Anti-Cancer Activity of Flavonols: A Focus on Myricetin and Kaempferol. Int J Mol Sci 2022; 23:ijms23084411. [PMID: 35457229 PMCID: PMC9026553 DOI: 10.3390/ijms23084411] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/04/2022] [Accepted: 04/14/2022] [Indexed: 12/22/2022] Open
Abstract
Natural compounds have always represented valuable allies in the battle against several illnesses, particularly cancer. In this field, flavonoids are known to modulate a wide panel of mechanisms involved in tumorigenesis, thus rendering them worthy candidates for both cancer prevention and treatment. In particular, it was reported that flavonoids regulate apoptosis, as well as hamper migration and proliferation, crucial events for the progression of cancer. In this review, we collect recent evidence concerning the anti-cancer properties of the flavonols myricetin and kaempferol, discussing their mechanisms of action to give a thorough overview of their noteworthy capabilities, which are comparable to those of their most famous analogue, namely quercetin. On the whole, these flavonols possess great potential, and hence further study is highly advised to allow a proper definition of their pharmaco-toxicological profile and assess their potential use in protocols of chemoprevention and adjuvant therapies.
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Imran M, Saeed F, Hussain G, Imran A, Mehmood Z, Gondal TA, El‐Ghorab A, Ahmad I, Pezzani R, Arshad MU, Bacha U, Shariarti MA, Rauf A, Muhammad N, Shah ZA, Zengin G, Islam S. Myricetin: A comprehensive review on its biological potentials. Food Sci Nutr 2021; 9:5854-5868. [PMID: 34646551 PMCID: PMC8498061 DOI: 10.1002/fsn3.2513] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/27/2021] [Accepted: 07/07/2021] [Indexed: 12/13/2022] Open
Abstract
Myricetin is a critical nutritive component of diet providing immunological protection and beneficial for maintaining good health. It is found in fruits, vegetables, tea, and wine. The families Myricaceae, Polygonaceae, Primulaceae, Pinaceae, and Anacardiaceae are the richest sources of myricetin. Different researchers explored the therapeutic potential of this valuable constituent such as anticancer, antidiabetic, antiobesity, cardiovascular protection, osteoporosis protection, anti-inflammatory, and hepatoprotective. In addition to these, the compound has been tested for cancer and diabetic mellitus during clinical trials. Health benefits of myricetin are related to its impact on different cell processes, such as apoptosis, glycolysis, cell cycle, energy balance, lipid level, serum protein concentrations, and osteoclastogenesis. This review explored the potential health benefits of myricetin with a specific emphasis on its mechanism of action, considering the most updated and novel findings in the field.
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Affiliation(s)
- Muhammad Imran
- Faculty of Allied Health SciencesUniversity Institute of Diet and Nutritional SciencesThe University of LahoreLahorePakistan
| | - Farhan Saeed
- Department of Food ScienceInstitute of Home and Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Ghulam Hussain
- Neurochemicalbiology and Genetics Laboratory (NGL)Department of PhysiologyFaculty of Life SciencesGovernment College UniversityFaisalabadPakistan
| | - Ali Imran
- Department of Food ScienceInstitute of Home and Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Zaffar Mehmood
- School of Life SciencesForman Christian College (A Chartered University)LahorePakistan
| | - Tanweer Aslam Gondal
- School of Exercise and NutritionFaculty of HealthDeakin UniversityBurwoodVictoriaAustralia
| | - Ahmed El‐Ghorab
- College of Science, Chemistry DepartmentJouf UniversitySakakaSaudi Arabia
| | - Ishtiaque Ahmad
- Department of Dairy TechnologyUniversity of Veterinary and Animal SciencesLahorePakistan
| | - Raffaele Pezzani
- Endocrinology UnitDepartment of Medicine (DIMED)University of PadovaPadovaItaly
- AIROBAssociazione Italiana per la Ricerca Oncologica di BasePadovaItaly
| | - Muhammad Umair Arshad
- Department of Food ScienceInstitute of Home and Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Umar Bacha
- School of Health Sciences (SHS)University of Management and TechnologyJohar Town, LahorePakistan
| | - Mohammad Ali Shariarti
- Department of Technology of Food ProductionsK.G. RazumovskyMoscow State University of Technologies and Management (the First Cossack University)MoscowRussian Federation
| | - Abdur Rauf
- Department of ChemistryUniversity of SwabiSwabiKhyber Pakhtunkhwa (KP)Pakistan
| | - Naveed Muhammad
- Department of PharmacyAbdul Wali Khan UniversityMardanPakistan
| | - Zafar Ali Shah
- Department of ChemistryUniversity of SwabiSwabiKhyber Pakhtunkhwa (KP)Pakistan
| | - Gokhan Zengin
- Department of BiologyScience FacultySelcuk UniversityKonyaTurkey
| | - Saiful Islam
- Institute of Nutrition and Food ScienceUniversity of DhakaDhakaBangladesh
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17
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Preferential interaction with c-MYC quadruplex DNA mediates the cytotoxic activity of a nitro-flavone derivative in A375 cells. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2021. [DOI: 10.1016/j.jpap.2021.100033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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18
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Falconer RJ, Schuur B, Mittermaier AK. Applications of isothermal titration calorimetry in pure and applied research from 2016 to 2020. J Mol Recognit 2021; 34:e2901. [PMID: 33975380 DOI: 10.1002/jmr.2901] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/02/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023]
Abstract
The last 5 years have seen a series of advances in the application of isothermal titration microcalorimetry (ITC) and interpretation of ITC data. ITC has played an invaluable role in understanding multiprotein complex formation including proteolysis-targeting chimeras (PROTACS), and mitochondrial autophagy receptor Nix interaction with LC3 and GABARAP. It has also helped elucidate complex allosteric communication in protein complexes like trp RNA-binding attenuation protein (TRAP) complex. Advances in kinetics analysis have enabled the calculation of kinetic rate constants from pre-existing ITC data sets. Diverse strategies have also been developed to study enzyme kinetics and enzyme-inhibitor interactions. ITC has also been applied to study small molecule solvent and solute interactions involved in extraction, separation, and purification applications including liquid-liquid separation and extractive distillation. Diverse applications of ITC have been developed from the analysis of protein instability at different temperatures, determination of enzyme kinetics in suspensions of living cells to the adsorption of uremic toxins from aqueous streams.
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Affiliation(s)
- Robert J Falconer
- School of Chemical Engineering & Advanced Materials, University of Adelaide, Adelaide, South Australia, Australia
| | - Boelo Schuur
- Faculty of Science and Technology, University of Twente, Enschede, Netherlands
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19
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Myricetin: A review of the most recent research. Biomed Pharmacother 2020; 134:111017. [PMID: 33338751 DOI: 10.1016/j.biopha.2020.111017] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/09/2020] [Accepted: 11/11/2020] [Indexed: 12/13/2022] Open
Abstract
Myricetin(MYR) is a flavonoid compound widely found in many natural plants including bayberry. So far, MYR has been proven to have multiple biological functions and it is a natural compound with promising research and development prospects. This review comprehensively retrieved and collected the latest pharmacological abstracts on MYR, and discussed the potential molecular mechanisms of its effects. The results of our review indicated that MYR has a therapeutic effect on many diseases, including tumors of different types, inflammatory diseases, atherosclerosis, thrombosis, cerebral ischemia, diabetes, Alzheimer's disease and pathogenic microbial infections. Furthermore, it regulates the expression of Hippo, MAPK, GSK-3β, PI3K/AKT/mTOR, STAT3, TLR, IκB/NF-κB, Nrf2/HO-1, ACE, eNOS / NO, AChE and BrdU/NeuN. MYR also enhances the immunomodulatory functions, suppresses cytokine storms, improves cardiac dysfunction, possesses an antiviral potential, can be used as an adjuvant treatment against cancer, cardiovascular injury and nervous system diseases, and it may be a potential drug against COVID-19 and other viral infections. Generally, this article provides a theoretical basis for the clinical application of MYR and a reference for its further use.
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20
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Xie Y, Wang Y, Xiang W, Wang Q, Cao Y. Molecular Mechanisms of the Action of Myricetin in Cancer. Mini Rev Med Chem 2020; 20:123-133. [PMID: 31648635 DOI: 10.2174/1389557519666191018112756] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/31/2019] [Accepted: 09/26/2019] [Indexed: 02/07/2023]
Abstract
Natural compounds, such as paclitaxel and camptothecin, have great effects on the treatment of tumors. Such natural chemicals often achieve anti-tumor effects through a variety of mechanisms. Therefore, it is of great significance to conduct further studies on the anticancer mechanism of natural anticancer agents to lay a solid foundation for the development of new drugs. Myricetin, originally isolated from Myrica nagi, is a natural pigment of flavonoids that can inhibit the growth of cancer cells (such as liver cancer, rectal cancer, skin cancer and lung cancer, etc.). It can regulate many intracellular activities (such as anti-inflammatory and blood lipids regulation) and can even be bacteriostatic. The purpose of this paper is to outline the molecular pathways of the anticancer effects of myricetin, including the effect on cancer cell death, proliferation, angiogenesis, metastasis and cell signaling pathway.
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Affiliation(s)
- Yutao Xie
- Department of Pharmacy, Nanchong Center Hospital, The Second Clinical Medical College, North Sichuan Medical College (University), Nanchong, 637000, Sichuan, China
| | - Yunlong Wang
- Department of Pharmacy, Nanchong Center Hospital, The Second Clinical Medical College, North Sichuan Medical College (University), Nanchong, 637000, Sichuan, China
| | - Wei Xiang
- Department of Pharmacy, Nanchong Center Hospital, The Second Clinical Medical College, North Sichuan Medical College (University), Nanchong, 637000, Sichuan, China
| | - Qiaoying Wang
- Department of Cardiothoracic Surgery, Nanchong Center Hospital, The Second Clinical Medical College, North Sichuan Medical College (University), Nanchong, 637000, Sichuan, China
| | - Yajun Cao
- Department of Pharmacy, Nanchong Center Hospital, The Second Clinical Medical College, North Sichuan Medical College (University), Nanchong, 637000, Sichuan, China
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21
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Roy S, Ali A, Kamra M, Muniyappa K, Bhattacharya S. Specific stabilization of promoter G-Quadruplex DNA by 2,6-disubstituted amidoanthracene-9,10-dione based dimeric distamycin analogues and their selective cancer cell cytotoxicity. Eur J Med Chem 2020; 195:112202. [PMID: 32302880 DOI: 10.1016/j.ejmech.2020.112202] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/19/2020] [Accepted: 03/01/2020] [Indexed: 10/24/2022]
Abstract
We have designed and synthesized anthraquinone containing compounds which have oligopyrrole side chains of varying lengths. These compounds stabilized the G-quadruplex DNA formed in the promoter regions of c-MYC oncogenes selectively over the duplex DNA. These observations were recorded using UV-vis spectroscopic titrations, fluorescence measurements and circular dichroism (CD) spectral titrations. The potency of the compounds to stabilize the G4 DNA has been shown from the thermal denaturation experiments. The compound interacts with c-MYC G-quadruplex DNA through stacking mode as obtained from ethidium bromide displacement assay, cyclic voltammetric titration, and docking experiments. Molecular modeling studies suggested that the stacking of the anthraquinone moiety over the G-tetrad of the G4 structures are responsible for the stability of such quadruplex secondary structure. Furthermore, polymerase stop assay also supported the formation of stable G4 structures in the presence of the above-mentioned compounds. The compounds have shown selective cancer cell (HeLa and HEK293T) cytotoxicity over normal cells (NIH3T3 and HDFa) under in vitro conditions as determined from MTT based cell viability assay. Apoptosis was found to be the mechanistic pathway underlying the cancer cell cytotoxicity as obtained from Annexin V-FITC and PI dual staining assay which was further substantiated by nuclear morphological changes as observed by AO/EB dual staining assay. Cellular morphological changes, as well as nuclear condensation and fragmentation upon treatment with these compounds, were observed under bright field and confocal microscopy.
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Affiliation(s)
- Soma Roy
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Asfa Ali
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Mohini Kamra
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Kalappa Muniyappa
- Department of Biochemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Santanu Bhattacharya
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India; School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata, 700032, India.
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22
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Deng X, Peng Y, Zhao J, Lei X, Zheng X, Xie Z, Tang G. Anticancer Activity of Natural Flavonoids: Inhibition of HIF-1α Signaling Pathway. CURR ORG CHEM 2020. [DOI: 10.2174/1385272823666191203122030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Rapid tumor growth is dependent on the capability of tumor blood vessels and
glycolysis to provide oxygen and nutrients. Tumor hypoxia is a common characteristic of
many solid tumors, and it essentially happens when the growth of the tumor exceeds the
concomitant angiogenesis. Hypoxia-inducible factor 1 (HIF-1) as the critical transcription
factor in hypoxia regulation is activated to adapt to this hypoxia situation. Flavonoids,
widely distributed in plants, comprise many polyphenolic secondary metabolites, possessing
broadspectrum pharmacological activities, including their potentiality as anticancer
agents. Due to their low toxicity, intense efforts have been made for investigating natural
flavonoids and their derivatives that can be used as HIF-1α inhibitors for cancer therapy
during the past few decades. In this review, we sum up the findings concerning the inhibition
of HIF-1α by natural flavonoids in the last few years and propose the idea of designing tumor vascular and
glycolytic multi-target inhibitors with HIF-1α as one of the targets.
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Affiliation(s)
- Xiangping Deng
- Institute of Pharmacy and Pharmacology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Yijiao Peng
- Institute of Pharmacy and Pharmacology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Jingduo Zhao
- Institute of Pharmacy and Pharmacology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Xiaoyong Lei
- Institute of Pharmacy and Pharmacology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Xing Zheng
- Institute of Pharmacy and Pharmacology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Zhizhong Xie
- Institute of Pharmacy and Pharmacology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Guotao Tang
- Institute of Pharmacy and Pharmacology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
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23
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Anti-tumor effects and associated molecular mechanisms of myricetin. Biomed Pharmacother 2019; 120:109506. [PMID: 31586904 DOI: 10.1016/j.biopha.2019.109506] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/18/2019] [Accepted: 09/26/2019] [Indexed: 12/14/2022] Open
Abstract
Myricetin (3, 5, 7, 3', 4', 5'-hexahydroxyflavone) is a natural flavonol compound found in a large variety of plants, including berries, oranges, grapes, herbs, teas, and wine. In the last decade, a convergence of evidence has demonstrated that myricetin has good biological activity as an anti-tumor, anti-inflammatory, and anti-oxidation agent. In studies involving various types of cancer cells, myricetin has been shown to suppress cancer cell invasion and metastasis, to induce cell cycle arrest and apoptosis of cancer cells, and to inhibit their proliferation. These findings have raised interest in myricetin as a potential tumor inhibitor in human patients. In this review, evidence of myricetin's anti-tumor activity and its underlying molecular mechanisms published in the last decade are summarized.
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Mukherjee A, Mazumder M, Jana J, Srivastava AK, Mondal B, De A, Ghosh S, Saha U, Bose R, Chatterjee S, Dey N, Basu D. Enhancement of ABA Sensitivity Through Conditional Expression of the ARF10 Gene in Brassica juncea Reveals Fertile Plants with Tolerance Against Alternaria brassicicola. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2019; 32:1429-1447. [PMID: 31184524 DOI: 10.1094/mpmi-05-19-0132-r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Concomitant increase of auxin-responsive factors ARF16 and ARF17, along with enhanced expression of ARF10 in resistant Sinapis alba compared with that in susceptible Brassica juncea upon challenge with Alternaria brassicicola, revealed that abscisic acid (ABA)-auxin crosstalk is a critical factor for resistance response. Here, we induced the ABA response through conditional expression of ARF10 in B. juncea using the A. brassicicola-inducible GH3.3 promoter. Induced ABA sensitivity caused by conditional expression of ARF10 in transgenic B. juncea resulted in tolerance against A. brassicicola and led to enhanced expression of several ABA-responsive genes without affecting the auxin biosynthetic gene expression. Compared with ABI3 and ABI4, ABI5 showed maximum upregulation in the most tolerant transgenic lines upon pathogen challenge. Moreover, elevated expression of ARF10 by different means revealed a direct correlation between ARF10 expression and the induction of ABI5 protein in B. juncea. Through in vitro DNA-protein experiments and chromosome immunoprecipitation using the ARF10 antibody, we demonstrated that ARF10 interacts with the auxin-responsive elements of the ABI5 promoter. This suggests that ARF10 may function as a modulator of ABI5 to induce ABA sensitivity and mediate the resistance response against A. brassicicola.
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Affiliation(s)
- Amrita Mukherjee
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
| | - Mrinmoy Mazumder
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
| | - Jagannath Jana
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
- Institut Curie, CNRS UMR 3348, Orsay, France
| | - Archana Kumari Srivastava
- Plant and Microbial biotechnology, Institute of Life Sciences (ILS), NALCO Square, Bhubaneswar, 751023, Odisha, India
| | - Banani Mondal
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
| | - Aishee De
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
| | - Swagata Ghosh
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
| | - Upala Saha
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
- Department of Botany, Sister Nivedita Government General Degree College for Girls, 20B Judge's Court Road, Hastings House, Alipore, Kolkata, 700027, West Bengal, India
| | - Rahul Bose
- Department of Genetics, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Subhrangsu Chatterjee
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
| | - Nrisingha Dey
- Plant and Microbial biotechnology, Institute of Life Sciences (ILS), NALCO Square, Bhubaneswar, 751023, Odisha, India
| | - Debabrata Basu
- Division of Plant Biology, Bose Institute, Centenary Campus P-1/12 C.I.T., Scheme-VIIM Kolkata, 700054, West Bengal, India
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Quan Wang J, Di Yang M, Chen X, Wang Y, Zeng Chen L, Cheng X, Hua Liu X. Discovery of new chromen-4-one derivatives as telomerase inhibitors through regulating expression of dyskerin. J Enzyme Inhib Med Chem 2018; 33:1199-1211. [PMID: 30132373 PMCID: PMC6104605 DOI: 10.1080/14756366.2018.1466881] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
A series of new trimethoxyphenyl-4H-chromen derivatives as telomerase inhibitors through regulation dyskerin were designed and synthesised. The anticancer activity assay in vitro showed that compound 5i 3-(4-(4-isonicotinoylpiperazin-1-yl)butoxy)-5,7-dimethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one exhibited high activity against Hela, SMMC-7721, SGC-7901, U87 and HepG2 cell lines. Compound 5i also showed potent inhibitory activity against telomerase. The further results confirmed this title compound could significantly improve pathological changes induced rat hepatic tumor in vivo. Preliminary mechanisms showed that compound 5i inhibited telomerase activity through decrease expression of dyskerin.
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Affiliation(s)
- Jie Quan Wang
- a School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases , Anhui Institute of Innovative Drugs, Anhui Medical University , Hefei , P. R. China
| | - Meng Di Yang
- a School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases , Anhui Institute of Innovative Drugs, Anhui Medical University , Hefei , P. R. China
| | - Xing Chen
- a School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases , Anhui Institute of Innovative Drugs, Anhui Medical University , Hefei , P. R. China
| | - Yang Wang
- a School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases , Anhui Institute of Innovative Drugs, Anhui Medical University , Hefei , P. R. China
| | - Liu Zeng Chen
- a School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases , Anhui Institute of Innovative Drugs, Anhui Medical University , Hefei , P. R. China
| | - Xiu Cheng
- a School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases , Anhui Institute of Innovative Drugs, Anhui Medical University , Hefei , P. R. China
| | - Xin Hua Liu
- a School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases , Anhui Institute of Innovative Drugs, Anhui Medical University , Hefei , P. R. China.,b School of Material Science Chemical Engineering , ChuZhou University , ChuZhou , P. R. China
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Mukherjee M, Jana J, Chatterjee S. A Small Molecule Impedes Insulin Fibrillation: Another New Role of Phenothiazine Derivatives. ChemistryOpen 2018; 7:68-79. [PMID: 29318099 PMCID: PMC5754551 DOI: 10.1002/open.201700131] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 08/24/2017] [Indexed: 11/16/2022] Open
Abstract
Protein misfolding is interrelated to several diseases, including neurodegenerative diseases and type II diabetes. Misfolded/unfolded proteins produce soluble oligomers that accumulate into "amyloid plaques". Inhibition of amyloid-plaque formation by those misfolded/unfolded proteins will lead to the invention of new therapeutic approaches for amyloid-related diseases. Herein, methylene blue (MB), a well-defined drug against multiple diseases and disorders, is used to impede insulin fibrillation. In this study, we perform an array of in vitro experiments to monitor the effects of MB on the fibrillation of bovine insulin. Our results confirm that MB distresses the kinetics of insulin fibrillation by interacting with insulin in its monomeric form. A thioflavin T assay indicates that insulin fibrillation is interrupted upon the addition of MB. The same results are confirmed by circular dichroism, dynamic light scattering (DLS), and size-exclusion chromatography (SEC). According to the DLS data, the insulin fibrils are 800 nm in diameter, and the addition of MB reduces the size of the fibrils, which remain 23 nm in size, and this indicates that no fibrillation of insulin occurs in the presence of MB. This data is also supported by SEC. Saturation transfer difference NMR spectroscopy and molecular dynamics simulations demonstrate the interactions between insulin and MB at the atomic level.
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Affiliation(s)
- Meghomukta Mukherjee
- Department of BiophysicsBose Institute, P 1/12 CIT, Scheme VII MKankurgachiKolkata700054India
| | - Jagannath Jana
- Department of BiophysicsBose Institute, P 1/12 CIT, Scheme VII MKankurgachiKolkata700054India
| | - Subhrangsu Chatterjee
- Department of BiophysicsBose Institute, P 1/12 CIT, Scheme VII MKankurgachiKolkata700054India
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Raffa D, Maggio B, Raimondi MV, Plescia F, Daidone G. Recent discoveries of anticancer flavonoids. Eur J Med Chem 2017; 142:213-228. [DOI: 10.1016/j.ejmech.2017.07.034] [Citation(s) in RCA: 206] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/18/2017] [Accepted: 07/19/2017] [Indexed: 12/28/2022]
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Bhat J, Mondal S, Sengupta P, Chatterjee S. In Silico Screening and Binding Characterization of Small Molecules toward a G-Quadruplex Structure Formed in the Promoter Region of c-MYC Oncogene. ACS OMEGA 2017; 2:4382-4397. [PMID: 30023722 PMCID: PMC6044917 DOI: 10.1021/acsomega.6b00531] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 03/20/2017] [Indexed: 06/08/2023]
Abstract
Overexpression of c-MYC oncogene is associated with cancer pathology. Expression of c-MYC is regulated by the G-quadruplex structure formed in the G-rich segment of nuclease hypersensitive element (NHE III1), that is, "Pu27", which is localized in the promoter region. Ligand-induced stabilization of the Pu27 structure has been identified as a novel target for cancer therapeutics. Here, we have explored the library of synthetic compounds against the predefined binding site of Pu27. Three compounds were selected based on the docking analyses; they were further scrutinized using all atom molecular dynamics simulations in an explicit water model. Simulated trajectories were scrutinized for conformational stability and ligand binding free energy estimation; essential dynamic behavior was determined using principal component analysis. One of the molecules, "TPP (1-(3-(4-(1,2,3-thiadiazol-4-yl)phenoxy)-2-hydroxypropyl)-4-carbamoylpiperidinium)", with the best results was considered for further evaluation. The theoretical observations are supported well by biophysical analysis using circular dichroism, isothermal titration calorimetry, and high-resolution NMR spectroscopy indicating association of TPP with Pu27. The in vitro studies were then translated into c-MYC overexpression in the T47D breast cancer cell line. Biological evaluation through the MTT assay, flow cytometric assay, RT-PCR, and reporter luciferase assay suggests that TPP downregulates the expression of c-MYC oncogene by arresting its promoter region. In silico and in vitro observations cumulatively suggest that the novel skeleton of TPP could be a potential anticancer agent by stabilizing the G-quadruplex formed in the Pu27 and consequently downregulating the expression of c-MYC oncogene. Derivation of new molecules on its skeleton may confer anticancer therapeutics for the next generation.
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Bhattacharjee S, Sengupta PK, Bhowmik S. Exploring the preferential interaction of quercetin with VEGF promoter G-quadruplex DNA and construction of a pH-dependent DNA-based logic gate. RSC Adv 2017. [DOI: 10.1039/c7ra05930b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The plant flavonoid quercetin (Que) binds more efficiently to VEGF G-quadruplex DNA (G4–DNA) compared to double stranded DNA as well as other G4–DNAs.
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Affiliation(s)
- Snehasish Bhattacharjee
- Department of Biophysics, Molecular Biology and Bioinformatics
- University of Calcutta
- Kolkata-700009
- India
| | - Pradeep K. Sengupta
- Department of Biophysics, Molecular Biology and Bioinformatics
- University of Calcutta
- Kolkata-700009
- India
| | - Sudipta Bhowmik
- Department of Biophysics, Molecular Biology and Bioinformatics
- University of Calcutta
- Kolkata-700009
- India
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Jana J, Sengupta P, Mondal S, Chatterjee S. Restriction of telomerase capping by short non-toxic peptides via arresting telomeric G-quadruplex. RSC Adv 2017. [DOI: 10.1039/c6ra28149d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The stabilization of a G-quadruplex structure in human telomeric DNA has become a promising strategy in the development of cancer therapeutics.
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Affiliation(s)
| | | | - Soma Mondal
- Bose Institute
- Department of Biophysics
- Kolkata
- India
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