1
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Sengupta P, Dutta A, Suseela YV, Roychowdhury T, Banerjee N, Dutta A, Halder S, Jana K, Mukherjee G, Chattopadhyay S, Govindaraju T, Chatterjee S. G-quadruplex structural dynamics at MAPK12 promoter dictates transcriptional switch to determine stemness in breast cancer. Cell Mol Life Sci 2024; 81:33. [PMID: 38214819 PMCID: PMC11073236 DOI: 10.1007/s00018-023-05046-6] [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: 05/11/2023] [Revised: 10/26/2023] [Accepted: 11/09/2023] [Indexed: 01/13/2024]
Abstract
P38γ (MAPK12) is predominantly expressed in triple negative breast cancer cells (TNBC) and induces stem cell (CSC) expansion resulting in decreased survival of the patients due to metastasis. Abundance of G-rich sequences at MAPK12 promoter implied the functional probability to reverse tumorigenesis, though the formation of G-Quadruplex (G4) structures at MAPK12 promoter is elusive. Here, we identified two evolutionary consensus adjacent G4 motifs upstream of the MAPK12 promoter, forming parallel G4 structures. They exist in an equilibria between G4 and duplex, regulated by the binding turnover of Sp1 and Nucleolin that bind to these G4 motifs and regulate MAPK12 transcriptional homeostasis. To underscore the gene-regulatory functions of G4 motifs, we employed CRISPR-Cas9 system to eliminate G4s from TNBC cells and synthesized a naphthalene diimide (NDI) derivative (TGS24) which shows high-affinity binding to MAPK12-G4 and inhibits MAPK12 transcription. Deletion of G4 motifs and NDI compound interfere with the recruitment of the transcription factors, inhibiting MAPK12 expression in cancer cells. The molecular basis of NDI-induced G4 transcriptional regulation was analysed by RNA-seq analyses, which revealed that MAPK12-G4 inhibits oncogenic RAS transformation and trans-activation of NANOG. MAPK12-G4 also reduces CD44High/CD24Low population in TNBC cells and downregulates internal stem cell markers, arresting the stemness properties of cancer cells.
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Affiliation(s)
- Pallabi Sengupta
- Department of Biological Sciences, Unified Academic Campus, Bose Institute, EN-80, Sector V, Salt Lake, Bidhan Nagar, Kolkata, West Bengal, 700091, India
| | - Anindya Dutta
- Department of Biological Sciences, Unified Academic Campus, Bose Institute, EN-80, Sector V, Salt Lake, Bidhan Nagar, Kolkata, West Bengal, 700091, India
| | - Y V Suseela
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bengaluru, Karnataka, 560064, India
| | - Tanaya Roychowdhury
- Department of Cancer Biology and Inflammatory Disorder, IICB, Kolkata, West Bengal, India
| | - Nilanjan Banerjee
- Department of Biological Sciences, Unified Academic Campus, Bose Institute, EN-80, Sector V, Salt Lake, Bidhan Nagar, Kolkata, West Bengal, 700091, India
| | - Ananya Dutta
- Department of Biological Sciences, Unified Academic Campus, Bose Institute, EN-80, Sector V, Salt Lake, Bidhan Nagar, Kolkata, West Bengal, 700091, India
| | - Satyajit Halder
- Department of Biological Sciences, Unified Academic Campus, Bose Institute, EN-80, Sector V, Salt Lake, Bidhan Nagar, Kolkata, West Bengal, 700091, India
| | - Kuladip Jana
- Department of Biological Sciences, Unified Academic Campus, Bose Institute, EN-80, Sector V, Salt Lake, Bidhan Nagar, Kolkata, West Bengal, 700091, India
| | - Gopeswar Mukherjee
- Barasat Cancer Research and Welfare Centre, Barasat, Kolkata, West Bengal, India
| | - Samit Chattopadhyay
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS) Pilani, K. K. Birla Goa Campus, Goa, 403726, India
| | - Thimmaiah Govindaraju
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bengaluru, Karnataka, 560064, India.
| | - Subhrangsu Chatterjee
- Department of Biological Sciences, Unified Academic Campus, Bose Institute, EN-80, Sector V, Salt Lake, Bidhan Nagar, Kolkata, West Bengal, 700091, India.
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2
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Neupane A, Chariker JH, Rouchka EC. Structural and Functional Classification of G-Quadruplex Families within the Human Genome. Genes (Basel) 2023; 14:genes14030645. [PMID: 36980918 PMCID: PMC10048163 DOI: 10.3390/genes14030645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 02/22/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
G-quadruplexes (G4s) are short secondary DNA structures located throughout genomic DNA and transcribed RNA. Although G4 structures have been shown to form in vivo, no current search tools that examine these structures based on previously identified G-quadruplexes and filter them based on similar sequence, structure, and thermodynamic properties are known to exist. We present a framework for clustering G-quadruplex sequences into families using the CD-HIT, MeShClust, and DNACLUST methods along with a combination of Starcode and BLAST. Utilizing this framework to filter and annotate clusters, 95 families of G-quadruplex sequences were identified within the human genome. Profiles for each family were created using hidden Markov models to allow for the identification of additional family members and generate homology probability scores. The thermodynamic folding energy properties, functional annotation of genes associated with the sequences, scores from different prediction algorithms, and transcription factor binding motifs within a family were used to annotate and compare the diversity within and across clusters. The resulting set of G-quadruplex families can be used to further understand how different regions of the genome are regulated by factors targeting specific structures common to members of a specific cluster.
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Affiliation(s)
- Aryan Neupane
- School of Graduate and Interdisciplinary Studies, University of Louisville, Louisville, KY 40292, USA
| | - Julia H. Chariker
- Department of Neuroscience Training, University of Louisville, Louisville, KY 40292, USA
- Kentucky IDeA Network of Biomedical Research Excellence (KY INBRE) Bioinformatics Core, University of Louisville, Louisville, KY 40292, USA
| | - Eric C. Rouchka
- Kentucky IDeA Network of Biomedical Research Excellence (KY INBRE) Bioinformatics Core, University of Louisville, Louisville, KY 40292, USA
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY 40292, USA
- Correspondence: ; Tel.: +1-(502)-852-3060
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3
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Song T, Wang X, Yao D, Liang H, Lu Y. Identifying and Differentiating Topological G-Quadruplex Structures with DNA-Encoded Plasmonic Gold Nanoparticles. Angew Chem Int Ed Engl 2022; 61:e202204201. [PMID: 35894268 PMCID: PMC9489634 DOI: 10.1002/anie.202204201] [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: 03/21/2022] [Indexed: 11/10/2022]
Abstract
DNA G-quadruplexes (G4s) have been identified as critical elements in modulating genomic functions and many other biological processes. Their functions are highly dependent on the primary nucleotides and secondary folding structures. Therefore, to understand their functions, methods to identify and differentiate structures of G4 with speed and accuracy are required but limited. In this report, we have applied a synthetic G4 DNA-encoded nanoparticle approach to identify and differentiate G4 DNA molecules with different topologies and nucleotide residues. We found that the resulting plasmonic properties of the gold nanoparticles, monitored by UV/Vis spectroscopy, are quite sensitive to different G4 structures, including stacking layers, loop sequences, capping bases on G4s, and topological structures. Through these systematic investigations, we demonstrate that this G4-encoded gold nanoparticle approach can be used to profile the G4 structures and distinguish G4s from human telomeres. Such a method may have wide applications in G4 research.
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Affiliation(s)
- Tingjie Song
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Xiaojing Wang
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Dongbao Yao
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Haojun Liang
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712, USA
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4
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Song T, Wang X, Yao D, Liang H, Lu Y. Identifying and Differentiating Topological G‐Quadruplex Structures with DNA‐encoded Plasmonic Gold Nanoparticles. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204201] [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)
- Tingjie Song
- University of Illinois at Urbana-Champaign Chemistry A429 CLSL,600 South Mathews Avenue 61801 Urbana UNITED STATES
| | - Xiaojing Wang
- University of Illinois at Urbana-Champaign Chemistry 600 South Mathews Avenue 61801 Urbana UNITED STATES
| | - Dongbao Yao
- University of Science and Technology of China Polymer Science and Engineering jinzhai Road, NO.96 230026 hefei CHINA
| | - Haojun Liang
- University of Science and Technology of China Polymer Science and Engineering jinzhai Road, NO.96 230026 hefei CHINA
| | - Yi Lu
- University of Illinois Chemistry 600 South Mathews Ave. 61801 Urbana UNITED STATES
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Takahashi S, Sugimoto N. Stability prediction of canonical and non-canonical structures of nucleic acids in various molecular environments and cells. Chem Soc Rev 2020; 49:8439-8468. [DOI: 10.1039/d0cs00594k] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review provides the biophysicochemical background and recent advances in stability prediction of canonical and non-canonical structures of nucleic acids in various molecular environments and cells.
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Affiliation(s)
- Shuntaro Takahashi
- Frontier Institute for Biomolecular Engineering Research (FIBER)
- Konan University
- Kobe
- Japan
| | - Naoki Sugimoto
- Frontier Institute for Biomolecular Engineering Research (FIBER)
- Konan University
- Kobe
- Japan
- Graduate School of Frontiers of Innovative Research in Science and Technology (FIRST)
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6
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Lightfoot HL, Hagen T, Tatum NJ, Hall J. The diverse structural landscape of quadruplexes. FEBS Lett 2019; 593:2083-2102. [PMID: 31325371 DOI: 10.1002/1873-3468.13547] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 07/09/2019] [Accepted: 07/15/2019] [Indexed: 12/15/2022]
Abstract
G-quadruplexes are secondary structures formed in G-rich sequences in DNA and RNA. Considerable research over the past three decades has led to in-depth insight into these unusual structures in DNA. Since the more recent exploration into RNA G-quadruplexes, such structures have demonstrated their in cellulo existence, function and roles in pathology. In comparison to Watson-Crick-based secondary structures, most G-quadruplexes display highly redundant structural characteristics. However, numerous reports of G-quadruplex motifs/structures with unique features (e.g. bulges, long loops, vacancy) have recently surfaced, expanding the repertoire of G-quadruplex scaffolds. This review addresses G-quadruplex formation and structure, including recent reports of non-canonical G-quadruplex structures. Improved methods of detection will likely further expand this collection of novel structures and ultimately change the face of quadruplex-RNA targeting as a therapeutic strategy.
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Affiliation(s)
- Helen L Lightfoot
- Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, ETH Zurich, Switzerland
| | - Timo Hagen
- Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, ETH Zurich, Switzerland
| | - Natalie J Tatum
- Newcastle Cancer Centre, Northern Institute for Cancer Research, Medical School, Newcastle University, Newcastle upon Tyne, UK
| | - Jonathan Hall
- Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, ETH Zurich, Switzerland
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7
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Cheng M, Cheng Y, Hao J, Jia G, Zhou J, Mergny JL, Li C. Loop permutation affects the topology and stability of G-quadruplexes. Nucleic Acids Res 2019; 46:9264-9275. [PMID: 30184167 PMCID: PMC6182180 DOI: 10.1093/nar/gky757] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 08/21/2018] [Indexed: 12/14/2022] Open
Abstract
G-quadruplexes are unusual DNA and RNA secondary structures ubiquitous in a variety of organisms including vertebrates, plants, viruses and bacteria. The folding topology and stability of intramolecular G-quadruplexes are determined to a large extent by their loops. Loop permutation is defined as swapping two or three of these regions so that intramolecular G-quadruplexes only differ in the sequential order of their loops. Over the past two decades, both length and base composition of loops have been studied extensively, but a systematic study on the effect of loop permutation has been missing. In the present work, 99 sequences from 21 groups with different loop permutations were tested. To our surprise, both conformation and thermal stability are greatly dependent on loop permutation. Loop permutation actually matters as much as loop length and base composition on G-quadruplex folding, with effects on Tm as high as 17°C. Sequences containing a longer central loop have a high propensity to adopt a stable non-parallel topology. Conversely, sequences containing a short central loop tend to form a parallel topology of lower stability. In addition, over half of interrogated sequences were found in the genomes of diverse organisms, implicating their potential regulatory roles in the genome or as therapeutic targets. This study illustrates the structural roles of loops in G-quadruplex folding and should help to establish rules to predict the folding pattern and stability of G-quadruplexes.
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Affiliation(s)
- Mingpan Cheng
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Yu Cheng
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Jingya Hao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Guoqing Jia
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jun Zhou
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jean-Louis Mergny
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.,ARNA Laboratory, Inserm U1212, CNRS UMR5320, IECB, Université de Bordeaux, Pessac 33607, France.,Institute of Biophysics of the CAS, v.v.i., Královopolská 135, 612 65 Brno, Czech Republic
| | - Can Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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8
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Viryasova GM, Dolinnaya NG, Golenkina EA, Gaponova TV, Viryasov MB, Romanova YM, Sud'ina GF. G-quadruplex-forming oligodeoxyribonucleotides activate leukotriene synthesis in human neutrophils. J Biomol Struct Dyn 2019; 37:3649-3659. [PMID: 30238827 DOI: 10.1080/07391102.2018.1523748] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Human polymorphonuclear leukocytes (PMNLs, neutrophils) play a major role in the immune response to bacterial and fungal infections and eliminate pathogens through phagocytosis. During phagocytosis of microorganisms, the 5-lipoxygenase (5-LOX) pathway is activated resulting in generation of leukotrienes, which mediate host defense. In this study, a library of oligodeoxyribonucleotides (ODNs) with varying numbers of human telomeric repeats (d(TTAGGG)n) and their analogues with phosphorothioate internucleotide linkages and single-nucleotide substitutions was designed. These ODNs with the potential to fold into G-quadruplex structures were studied from structural and functional perspectives. We showed that exogenous G-quadruplex-forming ODNs significantly enhanced 5-LOX metabolite formation in human neutrophils exposed to Salmonella Typhimurium bacteria. However, the activation of leukotriene synthesis was completely lost when G-quadruplex formation was prevented by substitution of guanosine with 7-deazaguanosine or adenosine residues at several positions. To our knowledge, this study is the first to demonstrate that G-quadruplex structures are potent regulators of 5-LOX product synthesis in human neutrophils in the presence of targets of phagocytosis. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Galina M Viryasova
- a Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Moscow , Russia
| | - Nina G Dolinnaya
- b Department of Chemistry , Lomonosov Moscow State University , Moscow , Russia
| | - Ekaterina A Golenkina
- a Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Moscow , Russia
| | - Tatjana V Gaponova
- c FGBU Hematology Research Centre , Russia Federation Ministry of Public Health , Moscow , Russia
| | - Mikhail B Viryasov
- b Department of Chemistry , Lomonosov Moscow State University , Moscow , Russia
| | - Yulia M Romanova
- d Gamaleya National Research Centre of Epidemiology and Microbiology , Moscow , Russia.,e Department of Unfectology and Virology, Sechenov First Moscow State Medical University , Moscow , Russia
| | - Galina F Sud'ina
- a Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Moscow , Russia
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9
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Stadlbauer P, Mazzanti L, Cragnolini T, Wales DJ, Derreumaux P, Pasquali S, Šponer J. Coarse-Grained Simulations Complemented by Atomistic Molecular Dynamics Provide New Insights into Folding and Unfolding of Human Telomeric G-Quadruplexes. J Chem Theory Comput 2016; 12:6077-6097. [DOI: 10.1021/acs.jctc.6b00667] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Petr Stadlbauer
- Institute
of Biophysics, Academy of Sciences of the Czech Republic, Královopolská
135, 612 65 Brno, Czech Republic
- Regional
Centre of Advanced Technologies and Materials, Departments of Physical
Chemistry, Faculty of Science, Palacký University, 17. listopadu
1192/12, 771 46 Olomouc, Czech Republic
| | - Liuba Mazzanti
- Laboratoire
de Biochimie Théorique, IBPC, CNRS UPR9080, Université Sorbonne Paris Cite, Paris Diderot, 13 rue Pierre et Marie Curie, 75005 Paris, France
| | - Tristan Cragnolini
- Department
of Chemistry, Cambridge University, Lensfield Road, Cambridge CB2 1EW, U.K
| | - David J. Wales
- Department
of Chemistry, Cambridge University, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Philippe Derreumaux
- Laboratoire
de Biochimie Théorique, IBPC, CNRS UPR9080, Université Sorbonne Paris Cite, Paris Diderot, 13 rue Pierre et Marie Curie, 75005 Paris, France
| | - Samuela Pasquali
- Laboratoire
de Biochimie Théorique, IBPC, CNRS UPR9080, Université Sorbonne Paris Cite, Paris Diderot, 13 rue Pierre et Marie Curie, 75005 Paris, France
| | - Jiří Šponer
- Institute
of Biophysics, Academy of Sciences of the Czech Republic, Královopolská
135, 612 65 Brno, Czech Republic
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