1
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Gora N, Weselinski LJ, Begoyan VV, Cooper A, Choe JY, Tanasova M. Discrimination of GLUTs by Fructose Isomers Enables Simultaneous Screening of GLUT5 and GLUT2 Activity in Live Cells. ACS Chem Biol 2023; 18:1089-1100. [PMID: 37116192 PMCID: PMC10566446 DOI: 10.1021/acschembio.2c00682] [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] [Indexed: 04/30/2023]
Abstract
Facilitative carbohydrate transporters (GLUTs, SLC2 gene family) are transmembrane proteins transporting hexoses and other sugars based on cellular metabolic demands. While a direct link between GLUTs and metabolic disorders has framed them as important biological and medicinal targets, targeting disease-relevant GLUTs remains challenging. In this study, we aimed to identify substrate-GLUT interactions that would discriminate between major fructose transporters. We examined the uptake distribution for conformational and configurational isomers of fructose using the corresponding conformationally locked fluorescently labeled mimetics as probes for assessing GLUT preferences in real time. Through comparative analysis of the uptake of the probes in the yeast-based single GLUT expression systems and the multi-GLUT mammalian cell environment, we established the ability of fructose transporters to discriminate between fructose conformers and epimers. We demonstrated that recreating the conformational and configurational mixture of fructose with molecular probes allows for the specific probe distribution, with fructofuranose mimetic being taken up preferentially through GLUT5 and β-d-fructopyranose mimetic passing through GLUT2. The uptake of α-d-fructopyranose mimetic was found to be independent of GLUT5 or GLUT2. The results of this study provide a new approach to analyzing GLUT5 and GLUT2 activity in live cells, and the findings can be used as a proof-of-concept for multi-GLUT activity screening in live cells. The research also provides new knowledge on substrate-GLUT interactions and new tools for monitoring alterations in GLUT activities.
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Affiliation(s)
- Nazar Gora
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
- Health Research Institute, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Lukasz J Weselinski
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Vagarshak V Begoyan
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Andrew Cooper
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - Jun-Yong Choe
- Department of Chemistry, East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina 27834, United States
- Department of Biochemistry and Molecular Biology, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois 60064, United States
| | - Marina Tanasova
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
- Health Research Institute, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
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2
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Rana N, Aziz MA, Serya RAT, Lasheen DS, Samir N, Wuest F, Abouzid KAM, West FG. A Fluorescence-Based Assay to Probe Inhibitory Effect of Fructose Mimics on GLUT5 Transport in Breast Cancer Cells. ACS BIO & MED CHEM AU 2023; 3:51-61. [PMID: 37101605 PMCID: PMC10125380 DOI: 10.1021/acsbiomedchemau.2c00056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/20/2022] [Accepted: 10/20/2022] [Indexed: 04/28/2023]
Abstract
Rapid cell division and reprogramming of energy metabolism are two crucial hallmarks of cancer cells. In humans, hexose trafficking into cancer cells is mainly mediated through a family of glucose transporters (GLUTs), which are facilitative transmembrane hexose transporter proteins. In several breast cancers, fructose can functionally substitute glucose as an alternative energy supply supporting rapid proliferation. GLUT5, the principal fructose transporter, is overexpressed in human breast cancer cells, providing valuable targets for breast cancer detection as well as selective targeting of anticancer drugs using structurally modified fructose mimics. Herein, a novel fluorescence assay was designed aiming to screen a series of C-3 modified 2,5-anhydromannitol (2,5-AM) compounds as d-fructose analogues to explore GLUT5 binding site requirements. The synthesized probes were evaluated for their ability to inhibit the uptake of the fluorescently labeled d-fructose derivative 6-NBDF into EMT6 murine breast cancer cells. A few of the compounds screened demonstrated highly potent single-digit micromolar inhibition of 6-NBDF cellular uptake, which was substantially more potent than the natural substrate d-fructose, at a level of 100-fold or more. The results of this assay are consistent with those obtained from a previous study conducted for some selected compounds against 18F-labeled d-fructose-based probe 6-[18F]FDF, indicating the reproducibility of the current non-radiolabeled assay. These highly potent compounds assessed against 6-NBDF open avenues for the development of more potent probes targeting GLUT5-expressing cancerous cells.
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Affiliation(s)
- Natasha Rana
- Department
of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Department
of Oncology, University of Alberta—Cross
Cancer Institute, Edmonton, AB T6G IZ2, Canada
- Cancer
Research Institute of Northern Alberta, University of Alberta, 2-132 Li Ka Shing, Edmonton, AB T6G 2E1, Canada
| | - Marwa A. Aziz
- Department
of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, P.O. Box 11566, Cairo 11566, Egypt
| | - Rabah A. T. Serya
- Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, P.O. Box 11566, Cairo 11566, Egypt
| | - Deena S. Lasheen
- Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, P.O. Box 11566, Cairo 11566, Egypt
| | - Nermin Samir
- Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, P.O. Box 11566, Cairo 11566, Egypt
| | - Frank Wuest
- Department
of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Department
of Oncology, University of Alberta—Cross
Cancer Institute, Edmonton, AB T6G IZ2, Canada
| | - Khaled A. M. Abouzid
- Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, P.O. Box 11566, Cairo 11566, Egypt
| | - F. G. West
- Department
of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Department
of Oncology, University of Alberta—Cross
Cancer Institute, Edmonton, AB T6G IZ2, Canada
- Cancer
Research Institute of Northern Alberta, University of Alberta, 2-132 Li Ka Shing, Edmonton, AB T6G 2E1, Canada
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3
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Rana N, Aziz MA, Oraby AK, Wuest M, Dufour J, Abouzid KAM, Wuest F, West FG. Towards Selective Binding to the GLUT5 Transporter: Synthesis, Molecular Dynamics and In Vitro Evaluation of Novel C-3-Modified 2,5-Anhydro-D-mannitol Analogs. Pharmaceutics 2022; 14:pharmaceutics14040828. [PMID: 35456662 PMCID: PMC9032776 DOI: 10.3390/pharmaceutics14040828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/27/2022] [Accepted: 04/07/2022] [Indexed: 02/03/2023] Open
Abstract
Deregulation and changes in energy metabolism are emergent and important biomarkers of cancer cells. The uptake of hexoses in cancer cells is mediated by a family of facilitative hexose membrane-transporter proteins known as Glucose Transporters (GLUTs). In the clinic, numerous breast cancers do not show elevated glucose metabolism (which is mediated mainly through the GLUT1 transporter) and may use fructose as an alternative energy source. The principal fructose transporter in most cancer cells is GLUT5, and its mRNA was shown to be elevated in human breast cancer. This offers an alternative strategy for early detection using fructose analogs. In order to selectively scout GLUT5 binding-pocket requirements, we designed, synthesized and screened a new class of fructose mimics based upon the 2,5-anhydromannitol scaffold. Several of these compounds display low millimolar IC50 values against the known high-affinity 18F-labeled fructose-based probe 6-deoxy-6-fluoro-D-fructose (6-FDF) in murine EMT6 breast cancer cells. In addition, this work used molecular docking and molecular dynamics simulations (MD) with previously reported GLUT5 structures to gain better insight into hexose–GLUT interactions with selected ligands governing their preference for GLUT5 compared to other GLUTs. The improved inhibition of these compounds, and the refined model for their binding, set the stage for the development of high-affinity molecular imaging probes targeting cancers that express the GLUT5 biomarker.
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Affiliation(s)
- Natasha Rana
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada; (N.R.); (M.A.A.); (A.K.O.)
- Department of Oncology, University of Alberta—Cross Cancer Institute, Edmonton, AB T6G IZ2, Canada; (M.W.); (J.D.)
- Cancer Research Institute of Northern Alberta, University of Alberta, 2-132 Li Ka Shing, Edmonton, AB T6G 2E1, Canada
| | - Marwa A. Aziz
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada; (N.R.); (M.A.A.); (A.K.O.)
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo P.O. Box 11566, Egypt;
| | - Ahmed K. Oraby
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada; (N.R.); (M.A.A.); (A.K.O.)
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Misr University of Science & Technology, Al-Motamayez District, 6th of October City P.O. Box 77, Egypt
| | - Melinda Wuest
- Department of Oncology, University of Alberta—Cross Cancer Institute, Edmonton, AB T6G IZ2, Canada; (M.W.); (J.D.)
- Cancer Research Institute of Northern Alberta, University of Alberta, 2-132 Li Ka Shing, Edmonton, AB T6G 2E1, Canada
| | - Jennifer Dufour
- Department of Oncology, University of Alberta—Cross Cancer Institute, Edmonton, AB T6G IZ2, Canada; (M.W.); (J.D.)
| | - Khaled A. M. Abouzid
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo P.O. Box 11566, Egypt;
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City P.O. Box 32897, Egypt
| | - Frank Wuest
- Department of Oncology, University of Alberta—Cross Cancer Institute, Edmonton, AB T6G IZ2, Canada; (M.W.); (J.D.)
- Cancer Research Institute of Northern Alberta, University of Alberta, 2-132 Li Ka Shing, Edmonton, AB T6G 2E1, Canada
- Correspondence: (F.W.); (F.G.W.)
| | - F. G. West
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada; (N.R.); (M.A.A.); (A.K.O.)
- Cancer Research Institute of Northern Alberta, University of Alberta, 2-132 Li Ka Shing, Edmonton, AB T6G 2E1, Canada
- Correspondence: (F.W.); (F.G.W.)
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4
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Kaur J, Bhardwaj A, Wuest F. Development of Fluorescence Imaging Probes for Labeling COX-1 in Live Ovarian Cancer Cells. ACS Med Chem Lett 2021; 12:798-804. [PMID: 34055228 DOI: 10.1021/acsmedchemlett.1c00065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 04/07/2021] [Indexed: 12/15/2022] Open
Abstract
Recent experimental evidence demonstrated an aberrant overexpression of cyclooxygenase-1 (COX-1) in various cancers, which has stimulated the development of COX-1-selective inhibitors as promising anticancer drugs and cancer imaging agents. Herein we describe the synthesis and validation of 3-(furan-2-yl)-N-aryl 5-amino-pyrazoles as a novel class of COX-1 inhibitors, including molecular docking studies. Among all tested compounds, 4-(5-azido-3-(furan-2-yl)-1H-pyrazol-1-yl)benzoic 17 displayed a favorable COX-1 inhibition and selectivity profile (COX-1 IC50 = 0.1 μM, SI >1000 over COX-2). Compound 17 was selected as a lead structure for developing the novel COX-1-selective fluorescent probe 22. Fluorescent probe 22 was prepared via click chemistry by installing a nitro-benzoxadiazole motif as a fluorophore into the 3-(furan-2-yl)-N-aryl 5-amino-pyrazole scaffold. Fluorescence probe 22 was tested in ovarian cancer cell line OVCAR-3, confirming its usefulness for targeting and visualizing COX-1 in living cells with confocal microscopy.
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Affiliation(s)
- Jatinder Kaur
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2, Canada
- Faculty of Pharmacy and Pharmaceutical Sciences University of Alberta, 8613 - 114 St., Edmonton, Alberta T6G 2H7, Canada
| | - Atul Bhardwaj
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2, Canada
- Faculty of Pharmacy and Pharmaceutical Sciences University of Alberta, 8613 - 114 St., Edmonton, Alberta T6G 2H7, Canada
| | - Frank Wuest
- Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton, Alberta T6G 1Z2, Canada
- Faculty of Pharmacy and Pharmaceutical Sciences University of Alberta, 8613 - 114 St., Edmonton, Alberta T6G 2H7, Canada
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta T6G 2G2, Canada
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5
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Yuen R, Wagner M, Richter S, Dufour J, Wuest M, West FG, Wuest F. Design, synthesis, and evaluation of positron emission tomography/fluorescence dual imaging probes for targeting facilitated glucose transporter 1 (GLUT1). Org Biomol Chem 2021; 19:3241-3254. [PMID: 33885579 DOI: 10.1039/d1ob00199j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Increased energy metabolism followed by enhanced glucose consumption is a hallmark of cancer. Most cancer cells show overexpression of facilitated hexose transporter GLUT1, including breast cancer. GLUT1 is the main transporter for 2-deoxy-2-[18F]fluoro-d-glucose (2-[18F]FDG), the gold standard of positron emission tomography (PET) imaging in oncology. The present study's goal was to develop novel glucose-based dual imaging probes for their use in tandem PET and fluorescence (Fl) imaging. A glucosamine scaffold tagged with a fluorophore and an 18F-label should confer selectivity to GLUT1. Out of five different compounds, 2-deoxy-2-((7-sulfonylfluoro-2,1,3-benzoxadiazol-4-yl)amino)-d-glucose (2-FBDG) possessed favorable fluorescent properties and a similar potency as 2-deoxy-2-((7-nitro-2,1,3-benzoxadiazol-4-yl)amino)-d-glucose (2-NBDG) in competing for GLUT1 transport against 2-[18F]FDG in breast cancer cells. Radiolabeling with 18F was achieved through the synthesis of prosthetic group 7-fluoro-2,1,3-benzoxadiazole-4-sulfonyl [18F]fluoride ([18F]FBDF) followed by the reaction with glucosamine. The radiotracer was finally analyzed in vivo in a breast cancer xenograft model and compared to 2-[18F]FDG. Despite favourable in vitro fluorescence imaging properties, 2-[18F]FBDG was found to lack metabolic stability in vivo, resulting in radiodefluorination. Glucose-based 2-[18F]FBDG represents a novel dual-probe for GLUT1 imaging using FI and PET with the potential for further structural optimization for improved metabolic stability in vivo.
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Affiliation(s)
- Richard Yuen
- Department of Chemistry, 11227 Saskatchewan Drive University of Alberta, Edmonton, AB, Canada T6G 2G2.
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6
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Elferink H, Bruekers JPJ, Veeneman GH, Boltje TJ. A comprehensive overview of substrate specificity of glycoside hydrolases and transporters in the small intestine : "A gut feeling". Cell Mol Life Sci 2020; 77:4799-4826. [PMID: 32506169 PMCID: PMC7658089 DOI: 10.1007/s00018-020-03564-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/21/2020] [Accepted: 05/25/2020] [Indexed: 02/07/2023]
Abstract
The human body is able to process and transport a complex variety of carbohydrates, unlocking their nutritional value as energy source or as important building block. The endogenous glycosyl hydrolases (glycosidases) and glycosyl transporter proteins located in the enterocytes of the small intestine play a crucial role in this process and digest and/or transport nutritional sugars based on their structural features. It is for these reasons that glycosidases and glycosyl transporters are interesting therapeutic targets to combat sugar related diseases (such as diabetes) or to improve drug delivery. In this review we provide a detailed overview focused on the molecular structure of the substrates involved as a solid base to start from and to fuel research in the area of therapeutics and diagnostics.
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Affiliation(s)
- Hidde Elferink
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525, Nijmegen, The Netherlands
| | - Jeroen P J Bruekers
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525, Nijmegen, The Netherlands
| | | | - Thomas J Boltje
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525, Nijmegen, The Netherlands.
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7
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Ferreira R, Pons JL, Labesse G. Insights into Substrate and Inhibitor Selectivity among Human GLUT Transporters through Comparative Modeling and Molecular Docking. ACS OMEGA 2019; 4:4748-4760. [PMID: 32462103 PMCID: PMC7244221 DOI: 10.1021/acsomega.8b03447] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 02/08/2019] [Indexed: 05/09/2023]
Abstract
The solute carrier 2 family is composed of 14 transporters, which are members of the major facilitator superfamily. Despite their high physiological importance, there are still many open questions concerning their function and specificity, and in some cases, their physiological substrate is still unknown. To understand the determinants of the substrate and inhibitor specificity, we modeled all human glucose transport carriers (GLUTs) and simulated their interaction with known ligands. Comparative modeling was performed with the @TOME-2 pipeline, employing multiple templates and providing an ensemble of models for each GLUT. We analyzed models in both outward-occluded and inward-open conformations, to compare exofacial and endofacial binding sites throughout the family and understand differences in susceptibility of GLUTs to the inhibitor cytochalasin B. Finally, we employed molecular docking and bioinformatics to identify residues likely critical for recognition of myo-inositol by GLUT13 and urate by GLUT9. These results provide insights into the molecular basis for the specificity for these substrates. In addition, we suggested a potential recognition site of glucosamine by GLUT11 to be evaluated in future experiments.
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Affiliation(s)
- Rafaela
Salgado Ferreira
- Centre
de Biochimie Structurale, CNRS-5048, INSERM-U1054, Université de Montpellier, 29 Rue de Navacelles, 34090 Montpellier, France
- Laboratório
de Modelagem Molecular e Planejamento de Fármacos, Departamento
de Bioquímica e Imunologia, Universidade
Federal de Minas Gerais, Av. Antônio Carlos 6627, 31270-901 Belo Horizonte, Brazil
| | - Jean-Luc Pons
- Centre
de Biochimie Structurale, CNRS-5048, INSERM-U1054, Université de Montpellier, 29 Rue de Navacelles, 34090 Montpellier, France
| | - Gilles Labesse
- Centre
de Biochimie Structurale, CNRS-5048, INSERM-U1054, Université de Montpellier, 29 Rue de Navacelles, 34090 Montpellier, France
- E-mail:
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8
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Lu M, Chen F, Cao C, Garvey CJ, Fletcher NL, Houston ZH, Lu H, Lord MS, Thurecht KJ, Stenzel MH. Importance of Polymer Length in Fructose-Based Polymeric Micelles for an Enhanced Biological Activity. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b02381] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Mingxia Lu
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Fan Chen
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Cheng Cao
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
- Australia Nuclear
Science and Technology Organisation, Lucas Heights, NSW 2234, Australia
| | - Christopher J. Garvey
- Australia Nuclear
Science and Technology Organisation, Lucas Heights, NSW 2234, Australia
| | - Nicholas L. Fletcher
- Centre for Advanced Imaging (CAI) and Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Zachary H. Houston
- Centre for Advanced Imaging (CAI) and Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Hongxu Lu
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Megan S. Lord
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Kristofer J. Thurecht
- Centre for Advanced Imaging (CAI) and Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Martina H. Stenzel
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
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Begoyan VV, Weseliński ŁJ, Xia S, Fedie J, Kannan S, Ferrier A, Rao S, Tanasova M. Multicolor GLUT5-permeable fluorescent probes for fructose transport analysis. Chem Commun (Camb) 2018; 54:3855-3858. [PMID: 29594264 DOI: 10.1039/c7cc09809j] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The specificity of carbohydrate transporters towards their substrates poses a significant challenge for the development of molecular probes to monitor sugar uptake in cells for biochemical and biomedical applications. Herein we report a new set of coumarin-based fluorescent sugar conjugates applicable for the analysis of fructose uptake due to their free passage through the fructose-specific transporter GLUT5. The reported probes cover a broad range of the fluorescence spectrum providing essential tools for the evaluation of fructose transport capacity in live cells.
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Affiliation(s)
- V V Begoyan
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49331, USA.
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10
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Kannan S, Begoyan VV, Fedie JR, Xia S, Weseliński ŁJ, Tanasova M, Rao S. Metabolism-Driven High-Throughput Cancer Identification with GLUT5-Specific Molecular Probes. BIOSENSORS-BASEL 2018; 8:bios8020039. [PMID: 29642606 PMCID: PMC6022918 DOI: 10.3390/bios8020039] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 03/19/2018] [Accepted: 04/04/2018] [Indexed: 12/17/2022]
Abstract
Point-of-care applications rely on biomedical sensors to enable rapid detection with high sensitivity and selectivity. Despite advances in sensor development, there are challenges in cancer diagnostics. Detection of biomarkers, cell receptors, circulating tumor cells, gene identification, and fluorescent tagging are time-consuming due to the sample preparation and response time involved. Here, we present a novel approach to target the enhanced metabolism in breast cancers for rapid detection using fluorescent imaging. Fluorescent analogs of fructose target the fructose-specific transporter GLUT5 in breast cancers and have limited to no response from normal cells. These analogs demonstrate a marked difference in adenocarcinoma and premalignant cells leading to a novel detection approach. The vastly different uptake kinetics of the analogs yields two unique signatures for each cell type. We used normal breast cells MCF10A, adenocarcinoma cells MCF7, and premalignant cells MCF10AneoT, with hepatocellular carcinoma cells HepG2 as the negative control. Our data indicated that MCF10AneoT and MCF7 cells had an observable difference in response to only one of the analogs. The response, observed as fluorescence intensity, leads to a two-point assessment of the cells in any sample. Since the treatment time is 10 min, there is potential for use in rapid on-site high-throughput diagnostics.
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Affiliation(s)
- Srinivas Kannan
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA;
| | - Vagarshak V. Begoyan
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA; (V.V.B.); (J.R.F.); (S.X.); (Ł.J.W.)
| | - Joseph R. Fedie
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA; (V.V.B.); (J.R.F.); (S.X.); (Ł.J.W.)
| | - Shuai Xia
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA; (V.V.B.); (J.R.F.); (S.X.); (Ł.J.W.)
| | - Łukasz J. Weseliński
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA; (V.V.B.); (J.R.F.); (S.X.); (Ł.J.W.)
| | - Marina Tanasova
- Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA; (V.V.B.); (J.R.F.); (S.X.); (Ł.J.W.)
- Correspondence: (M.T.); (S.R.); Tel.: +1-906-487-1163 (M.T.); +1-906-487-3230 (S.R.)
| | - Smitha Rao
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA;
- Correspondence: (M.T.); (S.R.); Tel.: +1-906-487-1163 (M.T.); +1-906-487-3230 (S.R.)
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11
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Ainsley J, Chaturvedi SS, Karabencheva-Christova TG, Tanasova M, Christov CZ. Integrating molecular probes and molecular dynamics to reveal binding modes of GLUT5 activatory and inhibitory ligands. Chem Commun (Camb) 2018; 54:9917-9920. [DOI: 10.1039/c8cc04843f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Fructose transporter GLUT5 is characterized by unusual substrate specificity and is linked to a variety of metabolic disorders.
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Affiliation(s)
- Jon Ainsley
- Department of Applied Sciences
- Northumbria University
- Newcastle upon Tyne
- UK
| | | | | | - Marina Tanasova
- Department of Chemistry
- Michigan Technological University
- Houghton
- USA
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12
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Wuest M, Hamann I, Bouvet V, Glubrecht D, Marshall A, Trayner B, Soueidan OM, Krys D, Wagner M, Cheeseman C, West F, Wuest F. Molecular Imaging of GLUT1 and GLUT5 in Breast Cancer: A Multitracer Positron Emission Tomography Imaging Study in Mice. Mol Pharmacol 2017; 93:79-89. [DOI: 10.1124/mol.117.110007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 11/13/2017] [Indexed: 01/08/2023] Open
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13
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Abstract
Facilitative carbohydrate transporters-Gluts-have received wide attention over decades due to their essential role in nutrient uptake and links with various metabolic disorders, including diabetes, obesity, and cancer. Endeavors directed towards understanding the mechanisms of Glut-mediated nutrient uptake have resulted in a multidisciplinary research field spanning protein chemistry, chemical biology, organic synthesis, crystallography, and biomolecular modeling. Gluts became attractive targets for cancer research and medicinal chemistry, leading to the development of new approaches to cancer diagnostics and providing avenues for cancer-targeting therapeutics. In this review, the current state of knowledge of the molecular interactions behind Glut-mediated sugar uptake, Glut-targeting probes, therapeutics, and inhibitors are discussed.
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Affiliation(s)
- Marina Tanasova
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Joseph R Fedie
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
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14
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Kumar Kondapi VP, Soueidan OM, Cheeseman CI, West FG. Tunable GLUT-Hexose Binding and Transport via Modulation of Hexose C-3 Hydrogen-Bonding Capabilities. Chemistry 2017; 23:8073-8081. [DOI: 10.1002/chem.201701329] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Indexed: 01/21/2023]
Affiliation(s)
- Venkata Pavan Kumar Kondapi
- Department of Chemistry; University of Alberta; 11227 Saskatchewan Dr. Edmonton AB, CA T6G 2G2 Canada
- Department of Physiology; University of Alberta; Medical Sciences Building Edmonton AB, CA T6G 2H7 Canada
| | - Olivier-Mohamad Soueidan
- Department of Chemistry; University of Alberta; 11227 Saskatchewan Dr. Edmonton AB, CA T6G 2G2 Canada
- Department of Physiology; University of Alberta; Medical Sciences Building Edmonton AB, CA T6G 2H7 Canada
| | - Christopher I. Cheeseman
- Department of Physiology; University of Alberta; Medical Sciences Building Edmonton AB, CA T6G 2H7 Canada
| | - Frederick G. West
- Department of Chemistry; University of Alberta; 11227 Saskatchewan Dr. Edmonton AB, CA T6G 2G2 Canada
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