1
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Them K, Kuhn J, Pravdivtsev AN, Hövener JB. Nuclear spin polarization of lactic acid via exchange of parahydrogen-polarized protons. Commun Chem 2024; 7:172. [PMID: 39112677 PMCID: PMC11306230 DOI: 10.1038/s42004-024-01254-8] [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: 10/09/2023] [Accepted: 07/24/2024] [Indexed: 08/10/2024] Open
Abstract
Hyperpolarization has become a powerful tool to enhance the sensitivity of magnetic resonance. A universal tool to hyperpolarize small molecules in solution, however, has not yet emerged. Transferring hyperpolarized, labile protons between molecules is a promising approach towards this end. Therefore, hydrogenative parahydrogen-induced polarization (PHIP) was recently proposed as a source to polarize exchanging protons (PHIP-X). Here, we identified four key components that govern PHIP-X: adding the spin order, polarizing the labile proton, proton exchange, and polarization of the target nucleus. We investigated the last two steps experimentally and using simulations. We found optimal exchange rates and field cycling methods to polarize the target molecules. We also investigated the influence of spin relaxation of exchanging protons on the target polarization. It was found experimentally that transferring the polarization from protons directly bound to the target X-nucleus (here 13C) of lactate and methanol using a pulse sequence was more efficient than applying a corresponding sequence to the labile proton. Furthermore, varying the concentrations of the transfer and target molecules yielded a distinct maximum 13C polarization. We believe this work will further help to understand and optimize PHIP-X towards a broadly applicable hyperpolarization method.
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Affiliation(s)
- Kolja Them
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein and Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany.
| | - Jule Kuhn
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein and Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany
| | - Andrey N Pravdivtsev
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein and Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany
| | - Jan-Bernd Hövener
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein and Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany.
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2
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Frijia F, Flori A, Giovannetti G, Barison A, Menichetti L, Santarelli MF, Positano V. MRI Application and Challenges of Hyperpolarized Carbon-13 Pyruvate in Translational and Clinical Cardiovascular Studies: A Literature Review. Diagnostics (Basel) 2024; 14:1035. [PMID: 38786333 PMCID: PMC11120300 DOI: 10.3390/diagnostics14101035] [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: 04/11/2024] [Revised: 05/06/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Cardiovascular disease shows, or may even be caused by, changes in metabolism. Hyperpolarized magnetic resonance spectroscopy and imaging is a technique that could assess the role of different aspects of metabolism in heart disease, allowing real-time metabolic flux assessment in vivo. In this review, we introduce the main hyperpolarization techniques. Then, we summarize the use of dedicated radiofrequency 13C coils, and report a state of the art of 13C data acquisition. Finally, this review provides an overview of the pre-clinical and clinical studies on cardiac metabolism in the healthy and diseased heart. We furthermore show what advances have been made to translate this technique into the clinic in the near future and what technical challenges still remain, such as exploring other metabolic substrates.
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Affiliation(s)
- Francesca Frijia
- Bioengineering Unit, Fondazione Toscana G. Monasterio, 56124 Pisa, Italy; (A.F.); (V.P.)
| | - Alessandra Flori
- Bioengineering Unit, Fondazione Toscana G. Monasterio, 56124 Pisa, Italy; (A.F.); (V.P.)
| | - Giulio Giovannetti
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy; (G.G.); (L.M.); (M.F.S.)
| | - Andrea Barison
- Cardiology and Cardiovascular Medicine Unit, Fondazione Toscana G. Monasterio, 56124 Pisa, Italy;
| | - Luca Menichetti
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy; (G.G.); (L.M.); (M.F.S.)
| | - Maria Filomena Santarelli
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy; (G.G.); (L.M.); (M.F.S.)
| | - Vincenzo Positano
- Bioengineering Unit, Fondazione Toscana G. Monasterio, 56124 Pisa, Italy; (A.F.); (V.P.)
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3
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Nantogma S, Chowdhury MRH, Kabir MSH, Adelabu I, Joshi SM, Samoilenko A, de Maissin H, Schmidt AB, Nikolaou P, Chekmenev YA, Salnikov OG, Chukanov NV, Koptyug IV, Goodson BM, Chekmenev EY. MATRESHCA: Microtesla Apparatus for Transfer of Resonance Enhancement of Spin Hyperpolarization via Chemical Exchange and Addition. Anal Chem 2024; 96:4171-4179. [PMID: 38358916 PMCID: PMC10939749 DOI: 10.1021/acs.analchem.3c05233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
We present an integrated, open-source device for parahydrogen-based hyperpolarization processes in the microtesla field regime with a cost of components of less than $7000. The device is designed to produce a batch of 13C and 15N hyperpolarized (HP) compounds via hydrogenative or non-hydrogenative parahydrogen-induced polarization methods that employ microtesla magnetic fields for efficient polarization transfer of parahydrogen-derived spin order to X-nuclei (e.g., 13C and 15N). The apparatus employs a layered structure (reminiscent of a Russian doll "Matryoshka") that includes a nonmagnetic variable-temperature sample chamber, a microtesla magnetic field coil (operating in the range of 0.02-75 microtesla), a three-layered mu-metal shield (to attenuate the ambient magnetic field), and a magnetic shield degaussing coil placed in the overall device enclosure. The gas-handling manifold allows for parahydrogen-gas flow and pressure control (up to 9.2 bar of total parahydrogen pressure). The sample temperature can be varied either using a water bath or a PID-controlled heat exchanger in the range from -12 to 80 °C. This benchtop device measures 62 cm (length) × 47 cm (width) × 47 cm (height), weighs 30 kg, and requires only connections to a high-pressure parahydrogen gas supply and a single 110/220 VAC power source. The utility of the device has been demonstrated using an example of parahydrogen pairwise addition to form HP ethyl [1-13C]acetate (P13C = 7%, [c] = 1 M). Moreover, the Signal Amplification By Reversible Exchange in SHield Enables Alignment Transfer to Heteronuclei (SABRE-SHEATH) technique was employed to demonstrate efficient hyperpolarization of 13C and 15N spins in a wide range of biologically relevant molecules, including [1-13C]pyruvate (P13C = 14%, [c] = 27 mM), [1-13C]-α-ketoglutarate (P13C = 17%), [1-13C]ketoisocaproate (P13C = 18%), [15N3]metronidazole (P15N = 13%, [c] = 20 mM), and others. While the vast majority of the utility studies have been performed in standard 5 mm NMR tubes, the sample chamber of the device can accommodate a wide range of sample container sizes and geometries of up to 1 L sample volume. The device establishes an integrated, simple, inexpensive, and versatile equipment gateway needed to facilitate parahydrogen-based hyperpolarization experiments ranging from basic science to preclinical applications; indeed, detailed technical drawings and a bill of materials are provided to support the ready translation of this design to other laboratories.
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Affiliation(s)
- Shiraz Nantogma
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
| | - Md Raduanul H. Chowdhury
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
| | - Mohammad S. H. Kabir
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
| | - Isaiah Adelabu
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
| | - Sameer M. Joshi
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
| | - Anna Samoilenko
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
| | - Henri de Maissin
- German Cancer Consortium (DKTK), Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg 69120, Germany
- Division of Medical Physics, Department of Radiology, Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg 79106, Germany
| | - Andreas B. Schmidt
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
- German Cancer Consortium (DKTK), Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg 69120, Germany
- Division of Medical Physics, Department of Radiology, Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg 79106, Germany
| | | | | | - Oleg G. Salnikov
- International Tomography Center SB RAS, Institutskaya Street 3A, Novosibirsk 630090, Russia
| | - Nikita V. Chukanov
- International Tomography Center SB RAS, Institutskaya Street 3A, Novosibirsk 630090, Russia
| | - Igor V. Koptyug
- International Tomography Center SB RAS, Institutskaya Street 3A, Novosibirsk 630090, Russia
| | - Boyd M. Goodson
- Department of Chemistry and Biochemistry, Materials Technology Center, Southern Illinois University, Carbondale, Illinois 62901, United States
| | - Eduard Y. Chekmenev
- Department of Chemistry, Integrative Biosciences (Ibio), Wayne State University, Karmanos Cancer Institute (KCI), Detroit, Michigan 48202, United States
- Russian Academy of Sciences, Leninskiy Prospekt 14, Moscow 119991, Russia
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4
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Batarchuk V, Shepelytskyi Y, Grynko V, Kovacs AH, Hodgson A, Rodriguez K, Aldossary R, Talwar T, Hasselbrink C, Ruset IC, DeBoef B, Albert MS. Hyperpolarized Xenon-129 Chemical Exchange Saturation Transfer (HyperCEST) Molecular Imaging: Achievements and Future Challenges. Int J Mol Sci 2024; 25:1939. [PMID: 38339217 PMCID: PMC10856220 DOI: 10.3390/ijms25031939] [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: 01/01/2024] [Revised: 01/25/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
Molecular magnetic resonance imaging (MRI) is an emerging field that is set to revolutionize our perspective of disease diagnosis, treatment efficacy monitoring, and precision medicine in full concordance with personalized medicine. A wide range of hyperpolarized (HP) 129Xe biosensors have been recently developed, demonstrating their potential applications in molecular settings, and achieving notable success within in vitro studies. The favorable nuclear magnetic resonance properties of 129Xe, coupled with its non-toxic nature, high solubility in biological tissues, and capacity to dissolve in blood and diffuse across membranes, highlight its superior role for applications in molecular MRI settings. The incorporation of reporters that combine signal enhancement from both hyperpolarized 129Xe and chemical exchange saturation transfer holds the potential to address the primary limitation of low sensitivity observed in conventional MRI. This review provides a summary of the various applications of HP 129Xe biosensors developed over the last decade, specifically highlighting their use in MRI. Moreover, this paper addresses the evolution of in vivo applications of HP 129Xe, discussing its potential transition into clinical settings.
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Affiliation(s)
- Viktoriia Batarchuk
- Chemistry Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; (V.B.)
- Thunder Bay Regional Health Research Institute, Thunder Bay, ON P7B 6V4, Canada
| | - Yurii Shepelytskyi
- Chemistry Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; (V.B.)
- Thunder Bay Regional Health Research Institute, Thunder Bay, ON P7B 6V4, Canada
| | - Vira Grynko
- Thunder Bay Regional Health Research Institute, Thunder Bay, ON P7B 6V4, Canada
- Chemistry and Materials Science Program, Lakehead University, Thunder Bay, ON P7B 5E1, Canada
| | - Antal Halen Kovacs
- Applied Life Science Program, Lakehead University, Thunder Bay, ON P7B 5E1, Canada
| | - Aaron Hodgson
- Physics Program, Lakehead University, Thunder Bay, ON P7B 5E1, Canada
| | - Karla Rodriguez
- Chemistry Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; (V.B.)
| | - Ruba Aldossary
- Thunder Bay Regional Health Research Institute, Thunder Bay, ON P7B 6V4, Canada
| | - Tanu Talwar
- Chemistry Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; (V.B.)
| | - Carson Hasselbrink
- Chemistry & Biochemistry Department, California Polytechnic State University, San Luis Obispo, CA 93407-005, USA
| | | | - Brenton DeBoef
- Department of Chemistry, University of Rhode Island, Kingston, RI 02881, USA
| | - Mitchell S. Albert
- Chemistry Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; (V.B.)
- Thunder Bay Regional Health Research Institute, Thunder Bay, ON P7B 6V4, Canada
- Faculty of Medical Sciences, Northern Ontario School of Medicine, Thunder Bay, ON P7B 5E1, Canada
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5
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Wodtke P, Grashei M, Schilling F. Quo Vadis Hyperpolarized 13C MRI? Z Med Phys 2023:S0939-3889(23)00120-4. [PMID: 38160135 DOI: 10.1016/j.zemedi.2023.10.004] [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: 08/29/2023] [Revised: 10/16/2023] [Accepted: 10/20/2023] [Indexed: 01/03/2024]
Abstract
Over the last two decades, hyperpolarized 13C MRI has gained significance in both preclinical and clinical studies, hereby relying on technologies like PHIP-SAH (ParaHydrogen-Induced Polarization-Side Arm Hydrogenation), SABRE (Signal Amplification by Reversible Exchange), and dDNP (dissolution Dynamic Nuclear Polarization), with dDNP being applied in humans. A clinical dDNP polarizer has enabled studies across 24 sites, despite challenges like high cost and slow polarization. Parahydrogen-based techniques like SABRE and PHIP offer faster, more cost-efficient alternatives but require molecule-specific optimization. The focus has been on imaging metabolism of hyperpolarized probes, which requires long T1, high polarization and rapid contrast generation. Efforts to establish novel probes, improve acquisition techniques and enhance data analysis methods including artificial intelligence are ongoing. Potential clinical value of hyperpolarized 13C MRI was demonstrated primarily for treatment response assessment in oncology, but also in cardiology, nephrology, hepatology and CNS characterization. In this review on biomedical hyperpolarized 13C MRI, we summarize important and recent advances in polarization techniques, probe development, acquisition and analysis methods as well as clinical trials. Starting from those we try to sketch a trajectory where the field of biomedical hyperpolarized 13C MRI might go.
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Affiliation(s)
- Pascal Wodtke
- Department of Nuclear Medicine, TUM School of Medicine and Health, Klinikum rechts der Isar of Technical University of Munich, 81675 Munich, Germany; Department of Radiology, University of Cambridge, Cambridge CB2 0QQ, United Kingdom; Cancer Research UK Cambridge Centre, University of Cambridge, Cambridge UK
| | - Martin Grashei
- Department of Nuclear Medicine, TUM School of Medicine and Health, Klinikum rechts der Isar of Technical University of Munich, 81675 Munich, Germany
| | - Franz Schilling
- Department of Nuclear Medicine, TUM School of Medicine and Health, Klinikum rechts der Isar of Technical University of Munich, 81675 Munich, Germany; Munich Institute of Biomedical Engineering, Technical University of Munich, 85748 Garching, Germany; German Cancer Consortium (DKTK), Partner Site Munich and German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg 69120, Germany.
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6
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Vaneeckhaute E, Tyburn J, Kempf JG, Martens JA, Breynaert E. Reversible Parahydrogen Induced Hyperpolarization of 15 N in Unmodified Amino Acids Unraveled at High Magnetic Field. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207112. [PMID: 37211713 PMCID: PMC10427394 DOI: 10.1002/advs.202207112] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 05/02/2023] [Indexed: 05/23/2023]
Abstract
Amino acids (AAs) and ammonia are metabolic markers essential for nitrogen metabolism and cell regulation in both plants and humans. NMR provides interesting opportunities to investigate these metabolic pathways, yet lacks sensitivity, especially in case of 15 N. In this study, spin order embedded in p-H2 is used to produce on-demand reversible hyperpolarization in 15 N of pristine alanine and ammonia under ambient protic conditions directly in the NMR spectrometer. This is made possible by designing a mixed-ligand Ir-catalyst, selectively ligating the amino group of AA by exploiting ammonia as a strongly competitive co-ligand and preventing deactivation of Ir by bidentate ligation of AA. The stereoisomerism of the catalyst complexes is determined by hydride fingerprinting using 1 H/D scrambling of the associated N-functional groups on the catalyst (i.e., isotopological fingerprinting), and unravelled by 2D-ZQ-NMR. Monitoring the transfer of spin order from p-H2 to 15 N nuclei of ligated and free alanine and ammonia targets using SABRE-INEPT with variable exchange delays pinpoints the monodentate elucidated catalyst complexes to be most SABRE active. Also RF-spin locking (SABRE-SLIC) enables transfer of hyperpolarization to 15 N. The presented high-field approach can be a valuable alternative to SABRE-SHEATH techniques since the obtained catalytic insights (stereochemistry and kinetics) will remain valid at ultra-low magnetic fields.
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Affiliation(s)
- Ewoud Vaneeckhaute
- COK‐katCentre for Surface Chemistry and Catalysis—Characterization and Application TeamKU LeuvenCelestijnenlaan 200F, box 2461LeuvenB‐3001Belgium
- NMRCoReNMR/X‐Ray Platform for Convergence ResearchKU LeuvenCelestijnenlaan 200F, box 2461LeuvenB‐3001Belgium
- Univ LyonCNRS, ENS LyonUCBLUniversité de LyonCRMN UMR 5280Villeurbanne69100France
| | - Jean‐Max Tyburn
- Bruker Biospin34 Rue de l'Industrie BP 10002Wissembourg Cedex67166France
| | | | - Johan A. Martens
- COK‐katCentre for Surface Chemistry and Catalysis—Characterization and Application TeamKU LeuvenCelestijnenlaan 200F, box 2461LeuvenB‐3001Belgium
- NMRCoReNMR/X‐Ray Platform for Convergence ResearchKU LeuvenCelestijnenlaan 200F, box 2461LeuvenB‐3001Belgium
- Deutsches Elektronen‐Synchrotron DESY – Centre for Molecular Water Science (CMWS)Notkestraße 8522607HamburgGermany
| | - Eric Breynaert
- COK‐katCentre for Surface Chemistry and Catalysis—Characterization and Application TeamKU LeuvenCelestijnenlaan 200F, box 2461LeuvenB‐3001Belgium
- NMRCoReNMR/X‐Ray Platform for Convergence ResearchKU LeuvenCelestijnenlaan 200F, box 2461LeuvenB‐3001Belgium
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7
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Jeong HJ, Min S, Baek J, Kim J, Chung J, Jeong K. Real-Time Reaction Monitoring of Azide-Alkyne Cycloadditions Using Benchtop NMR-Based Signal Amplification by Reversible Exchange (SABRE). ACS MEASUREMENT SCIENCE AU 2023; 3:134-142. [PMID: 37090259 PMCID: PMC10120034 DOI: 10.1021/acsmeasuresciau.2c00065] [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: 11/14/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 05/03/2023]
Abstract
Rufinamide, possessing a triazole ring, is a new antiepileptic drug (AED) relatively well-absorbed in the lower dose range (10 mg/kg per day) and is currently being used in antiepileptic medications. Triazole derivatives can interact with various enzymes and receptors in biological systems via diverse non-covalent interactions, thus inducing versatile biological effects. Strain-promoted azide-alkyne cycloaddition (SPAAC) is a significant method for obtaining triazoles, even under physiological conditions, in the absence of a copper catalyst. To confirm the progress of chemical reactions under biological conditions, research on reaction monitoring at low concentrations is essential. This promising strategy is gaining acceptance for applications in fields such as drug development and nanoscience. We investigated the optimum Ir catalyst and magnetic field for achieving maximum proton hyperpolarization transfer in triazole derivatives. These reactions were analyzed using signal amplification by reversible exchange (SABRE) to overcome the limitations of low sensitivity in nuclear magnetic resonance spectroscopy, when monitoring copper-free click reactions in real time. Finally, a more versatile copper-catalyzed click reaction was monitored in real time, using a 60 MHz benchtop NMR system, in order to analyze the reaction mechanism.
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Affiliation(s)
- Hye Jin Jeong
- Department
of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Sein Min
- Department
of Chemistry, Seoul Women’s University, Seoul 01797, South Korea
| | - Juhee Baek
- Department
of Chemistry, Seoul Women’s University, Seoul 01797, South Korea
| | - Jisu Kim
- Department
of Chemistry, Seoul Women’s University, Seoul 01797, South Korea
| | - Jean Chung
- Department
of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Keunhong Jeong
- Department
of Physics and Chemistry, Korea Military
Academy, Seoul 01805, South Korea
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8
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Eills J, Budker D, Cavagnero S, Chekmenev EY, Elliott SJ, Jannin S, Lesage A, Matysik J, Meersmann T, Prisner T, Reimer JA, Yang H, Koptyug IV. Spin Hyperpolarization in Modern Magnetic Resonance. Chem Rev 2023; 123:1417-1551. [PMID: 36701528 PMCID: PMC9951229 DOI: 10.1021/acs.chemrev.2c00534] [Citation(s) in RCA: 64] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Indexed: 01/27/2023]
Abstract
Magnetic resonance techniques are successfully utilized in a broad range of scientific disciplines and in various practical applications, with medical magnetic resonance imaging being the most widely known example. Currently, both fundamental and applied magnetic resonance are enjoying a major boost owing to the rapidly developing field of spin hyperpolarization. Hyperpolarization techniques are able to enhance signal intensities in magnetic resonance by several orders of magnitude, and thus to largely overcome its major disadvantage of relatively low sensitivity. This provides new impetus for existing applications of magnetic resonance and opens the gates to exciting new possibilities. In this review, we provide a unified picture of the many methods and techniques that fall under the umbrella term "hyperpolarization" but are currently seldom perceived as integral parts of the same field. Specifically, before delving into the individual techniques, we provide a detailed analysis of the underlying principles of spin hyperpolarization. We attempt to uncover and classify the origins of hyperpolarization, to establish its sources and the specific mechanisms that enable the flow of polarization from a source to the target spins. We then give a more detailed analysis of individual hyperpolarization techniques: the mechanisms by which they work, fundamental and technical requirements, characteristic applications, unresolved issues, and possible future directions. We are seeing a continuous growth of activity in the field of spin hyperpolarization, and we expect the field to flourish as new and improved hyperpolarization techniques are implemented. Some key areas for development are in prolonging polarization lifetimes, making hyperpolarization techniques more generally applicable to chemical/biological systems, reducing the technical and equipment requirements, and creating more efficient excitation and detection schemes. We hope this review will facilitate the sharing of knowledge between subfields within the broad topic of hyperpolarization, to help overcome existing challenges in magnetic resonance and enable novel applications.
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Affiliation(s)
- James Eills
- Institute
for Bioengineering of Catalonia, Barcelona
Institute of Science and Technology, 08028Barcelona, Spain
| | - Dmitry Budker
- Johannes
Gutenberg-Universität Mainz, 55128Mainz, Germany
- Helmholtz-Institut,
GSI Helmholtzzentrum für Schwerionenforschung, 55128Mainz, Germany
- Department
of Physics, UC Berkeley, Berkeley, California94720, United States
| | - Silvia Cavagnero
- Department
of Chemistry, University of Wisconsin, Madison, Madison, Wisconsin53706, United States
| | - Eduard Y. Chekmenev
- Department
of Chemistry, Integrative Biosciences (IBio), Karmanos Cancer Institute
(KCI), Wayne State University, Detroit, Michigan48202, United States
- Russian
Academy of Sciences, Moscow119991, Russia
| | - Stuart J. Elliott
- Molecular
Sciences Research Hub, Imperial College
London, LondonW12 0BZ, United Kingdom
| | - Sami Jannin
- Centre
de RMN à Hauts Champs de Lyon, Université
de Lyon, CNRS, ENS Lyon, Université Lyon 1, 69100Villeurbanne, France
| | - Anne Lesage
- Centre
de RMN à Hauts Champs de Lyon, Université
de Lyon, CNRS, ENS Lyon, Université Lyon 1, 69100Villeurbanne, France
| | - Jörg Matysik
- Institut
für Analytische Chemie, Universität
Leipzig, Linnéstr. 3, 04103Leipzig, Germany
| | - Thomas Meersmann
- Sir
Peter Mansfield Imaging Centre, University Park, School of Medicine, University of Nottingham, NottinghamNG7 2RD, United Kingdom
| | - Thomas Prisner
- Institute
of Physical and Theoretical Chemistry and Center of Biomolecular Magnetic
Resonance, Goethe University Frankfurt, , 60438Frankfurt
am Main, Germany
| | - Jeffrey A. Reimer
- Department
of Chemical and Biomolecular Engineering, UC Berkeley, and Materials Science Division, Lawrence Berkeley National
Laboratory, Berkeley, California94720, United States
| | - Hanming Yang
- Department
of Chemistry, University of Wisconsin, Madison, Madison, Wisconsin53706, United States
| | - Igor V. Koptyug
- International Tomography Center, Siberian
Branch of the Russian Academy
of Sciences, 630090Novosibirsk, Russia
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9
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Sun P, Wu Z, Lin L, Hu G, Zhang X, Wang J. MR-Nucleomics: The study of pathological cellular processes with multinuclear magnetic resonance spectroscopy and imaging in vivo. NMR IN BIOMEDICINE 2023; 36:e4845. [PMID: 36259659 DOI: 10.1002/nbm.4845] [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: 04/06/2022] [Revised: 09/28/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Clinical medicine has experienced a rapid development in recent decades, during which therapies targeting specific cellular signaling pathways, or specific cell surface receptors, have been increasingly adopted. While these developments in clinical medicine call for improved precision in diagnosis and treatment monitoring, modern medical imaging methods are restricted mainly to anatomical imaging, lagging behind the requirements of precision medicine. Although positron emission tomography and single photon emission computed tomography have been used clinically for studies of metabolism, their applications have been limited by the exposure risk to ionizing radiation, the subsequent limitation in repeated and longitudinal studies, and the incapability in assessing downstream metabolism. Magnetic resonance spectroscopy (MRS) or spectroscopic imaging (MRSI) are, in theory, capable of assessing molecular activities in vivo, although they are often limited by sensitivity. Here, we review some recent developments in MRS and MRSI of multiple nuclei that have potential as molecular imaging tools in the clinic.
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Affiliation(s)
- Peng Sun
- Clinical & Technical Support, Philips Healthcare, China
| | - Zhigang Wu
- Clinical & Technical Support, Philips Healthcare, China
| | - Liangjie Lin
- Clinical & Technical Support, Philips Healthcare, China
| | - Geli Hu
- Clinical & Technical Support, Philips Healthcare, China
| | | | - Jiazheng Wang
- Clinical & Technical Support, Philips Healthcare, China
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10
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Capozzi A. Design and performance of a small bath cryostat with NMR capability for transport of hyperpolarized samples. Sci Rep 2022; 12:19260. [PMID: 36357496 PMCID: PMC9649762 DOI: 10.1038/s41598-022-23890-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 11/07/2022] [Indexed: 11/12/2022] Open
Abstract
As of today, dissolution Dynamic Nuclear Polarization (dDNP) is the only clinically available hyperpolarization technique for 13C-MRI. Despite the clear path towards personalized medicine that dDNP is paving as an alternative and/or complement to Positron Emission Tomography (PET), the technique struggles to enter everyday clinical practice. Because of the minute-long hyperpolarization lifetime after dissolution, one of the reasons lies in the need and consequent complexities of having the machine that generates the hyperpolarization (i.e. the dDNP polarizer) on site. Since some years, research groups are working to make hyperpolarization transportable. Two different methods have been developed that allow "freezing" of the nuclear spin state prior to samples extraction from the polarizer. Nevertheless, so far, all attempts of transport have been limited to a very small scale and to the level of proof-of-principle experiments. The main reason for that is the lack of adequate hardware, strategy, and control on most of the crucial parameters. To bridge the technical gap with PET and provide MRI facilities with hours long relaxing hyperpolarized compounds at controlled conditions, a new generation of low cost/small footprint liquid He cryostats equipped with a magnetically enforced cryogenic probe is needed. In this paper, we detail the theoretical and practical construction of a hyperpolarized samples transportation device small enough to fit in a car and able to hold a sample at 4.2 K for almost 8 h despite the presence of a cryogenically-demanding purpose-built probe that provides enough magnetic field upon insertion of the sample and NMR quality homogeneity at storage position. Should transportable hyperpolarization via DNP become a reality, we herein provide important details to make it possible.
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Affiliation(s)
- Andrea Capozzi
- SB IPHYS LIFMET, Institute of Physics, EPFL, CH F0 632, Bâtiment CH, Station 6, CH-1015, Lausanne, Switzerland.
- Department of Health Technology, HYPERMAG, Technical University of Denmark, Building 349, 2800, Kgs Lyngby, Denmark.
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11
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Theillet FX, Luchinat E. In-cell NMR: Why and how? PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2022; 132-133:1-112. [PMID: 36496255 DOI: 10.1016/j.pnmrs.2022.04.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 04/19/2022] [Accepted: 04/27/2022] [Indexed: 06/17/2023]
Abstract
NMR spectroscopy has been applied to cells and tissues analysis since its beginnings, as early as 1950. We have attempted to gather here in a didactic fashion the broad diversity of data and ideas that emerged from NMR investigations on living cells. Covering a large proportion of the periodic table, NMR spectroscopy permits scrutiny of a great variety of atomic nuclei in all living organisms non-invasively. It has thus provided quantitative information on cellular atoms and their chemical environment, dynamics, or interactions. We will show that NMR studies have generated valuable knowledge on a vast array of cellular molecules and events, from water, salts, metabolites, cell walls, proteins, nucleic acids, drugs and drug targets, to pH, redox equilibria and chemical reactions. The characterization of such a multitude of objects at the atomic scale has thus shaped our mental representation of cellular life at multiple levels, together with major techniques like mass-spectrometry or microscopies. NMR studies on cells has accompanied the developments of MRI and metabolomics, and various subfields have flourished, coined with appealing names: fluxomics, foodomics, MRI and MRS (i.e. imaging and localized spectroscopy of living tissues, respectively), whole-cell NMR, on-cell ligand-based NMR, systems NMR, cellular structural biology, in-cell NMR… All these have not grown separately, but rather by reinforcing each other like a braided trunk. Hence, we try here to provide an analytical account of a large ensemble of intricately linked approaches, whose integration has been and will be key to their success. We present extensive overviews, firstly on the various types of information provided by NMR in a cellular environment (the "why", oriented towards a broad readership), and secondly on the employed NMR techniques and setups (the "how", where we discuss the past, current and future methods). Each subsection is constructed as a historical anthology, showing how the intrinsic properties of NMR spectroscopy and its developments structured the accessible knowledge on cellular phenomena. Using this systematic approach, we sought i) to make this review accessible to the broadest audience and ii) to highlight some early techniques that may find renewed interest. Finally, we present a brief discussion on what may be potential and desirable developments in the context of integrative studies in biology.
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Affiliation(s)
- Francois-Xavier Theillet
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198 Gif-sur-Yvette, France.
| | - Enrico Luchinat
- Dipartimento di Scienze e Tecnologie Agro-Alimentari, Alma Mater Studiorum - Università di Bologna, Piazza Goidanich 60, 47521 Cesena, Italy; CERM - Magnetic Resonance Center, and Neurofarba Department, Università degli Studi di Firenze, 50019 Sesto Fiorentino, Italy
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12
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Ferrari A, Peters J, Anikeeva M, Pravdivtsev A, Ellermann F, Them K, Will O, Peschke E, Yoshihara H, Jansen O, Hövener JB. Performance and reproducibility of 13C and 15N hyperpolarization using a cryogen-free DNP polarizer. Sci Rep 2022; 12:11694. [PMID: 35803961 PMCID: PMC9270333 DOI: 10.1038/s41598-022-15380-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 06/23/2022] [Indexed: 12/02/2022] Open
Abstract
The setup, operational procedures and performance of a cryogen-free device for producing hyperpolarized contrast agents using dissolution dynamic nuclear polarization (dDNP) in a preclinical imaging center is described. The polarization was optimized using the solid-state, DNP-enhanced NMR signal to calibrate the sample position, microwave and NMR frequency and power and flip angle. The polarization of a standard formulation to yield ~ 4 mL, 60 mM 1-13C-pyruvic acid in an aqueous solution was quantified in five experiments to P(13C) = (38 ± 6) % (19 ± 1) s after dissolution. The mono-exponential time constant of the build-up of the solid-state polarization was quantified to (1032 ± 22) s. We achieved a duty cycle of 1.5 h that includes sample loading, monitoring the polarization build-up, dissolution and preparation for the next run. After injection of the contrast agent in vivo, pyruvate, pyruvate hydrate, lactate, and alanine were observed, by measuring metabolite maps. Based on this work sequence, hyperpolarized 15N urea was obtained (P(15N) = (5.6 ± 0.8) % (30 ± 3) s after dissolution).
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Affiliation(s)
- Arianna Ferrari
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany.
| | - Josh Peters
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Mariia Anikeeva
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Andrey Pravdivtsev
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Frowin Ellermann
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Kolja Them
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Olga Will
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Eva Peschke
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Hikari Yoshihara
- Laboratory for Functional and Metabolic Imaging, Institute of Physics, EPFL (École polytechnique fédérale de Lausanne), Lausanne, Switzerland
| | - Olav Jansen
- Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany
| | - Jan-Bernd Hövener
- Section Biomedical Imaging, MOIN CC, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Kiel University, Kiel, Germany.
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13
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Pham P, Mandal R, Qi C, Hilty C. Interfacing Liquid State Hyperpolarization Methods with NMR Instrumentation. JOURNAL OF MAGNETIC RESONANCE OPEN 2022; 10-11:100052. [PMID: 35530721 PMCID: PMC9070690 DOI: 10.1016/j.jmro.2022.100052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Advances in liquid state hyperpolarization methods have enabled new applications of high-resolution NMR spectroscopy. Utilizing strong signal enhancements from hyperpolarization allows performing NMR spectroscopy at low concentration, or with high time resolution. Making use of the high, but rapidly decaying hyperpolarization in the liquid state requires new techniques to interface hyperpolarization equipment with liquid state NMR spectrometers. This article highlights rapid injection, high resolution NMR spectroscopy with hyperpolarization produced by the techniques of dissolution dynamic nuclear polarization (D-DNP) and para-hydrogen induced polarization (PHIP). These are popular, albeit not the only methods to produce high polarization levels for liquid samples. Gas and liquid driven sample injection techniques are compatible with both of these hyperpolarization methods. The rapid sample injection techniques are combined with adapted NMR experiments working in a single, or small number of scans. They expand the application of liquid state hyperpolarization to spins with comparably short relaxation times, provide enhanced control over sample conditions, and allow for mixing experiments to study reactions in real time.
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14
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Biedenbänder T, Aladin V, Saeidpour S, Corzilius B. Dynamic Nuclear Polarization for Sensitivity Enhancement in Biomolecular Solid-State NMR. Chem Rev 2022; 122:9738-9794. [PMID: 35099939 DOI: 10.1021/acs.chemrev.1c00776] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Solid-state NMR with magic-angle spinning (MAS) is an important method in structural biology. While NMR can provide invaluable information about local geometry on an atomic scale even for large biomolecular assemblies lacking long-range order, it is often limited by low sensitivity due to small nuclear spin polarization in thermal equilibrium. Dynamic nuclear polarization (DNP) has evolved during the last decades to become a powerful method capable of increasing this sensitivity by two to three orders of magnitude, thereby reducing the valuable experimental time from weeks or months to just hours or days; in many cases, this allows experiments that would be otherwise completely unfeasible. In this review, we give an overview of the developments that have opened the field for DNP-enhanced biomolecular solid-state NMR including state-of-the-art applications at fast MAS and high magnetic field. We present DNP mechanisms, polarizing agents, and sample constitution methods suitable for biomolecules. A wide field of biomolecular NMR applications is covered including membrane proteins, amyloid fibrils, large biomolecular assemblies, and biomaterials. Finally, we present perspectives and recent developments that may shape the field of biomolecular DNP in the future.
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Affiliation(s)
- Thomas Biedenbänder
- Institute of Chemistry, University of Rostock, Albert-Einstein-Straße 3a, 18059 Rostock, Germany.,Department Life, Light & Matter, University of Rostock, Albert-Einstein-Straße 25, 18059 Rostock, Germany
| | - Victoria Aladin
- Institute of Chemistry, University of Rostock, Albert-Einstein-Straße 3a, 18059 Rostock, Germany.,Department Life, Light & Matter, University of Rostock, Albert-Einstein-Straße 25, 18059 Rostock, Germany
| | - Siavash Saeidpour
- Institute of Chemistry, University of Rostock, Albert-Einstein-Straße 3a, 18059 Rostock, Germany.,Department Life, Light & Matter, University of Rostock, Albert-Einstein-Straße 25, 18059 Rostock, Germany
| | - Björn Corzilius
- Institute of Chemistry, University of Rostock, Albert-Einstein-Straße 3a, 18059 Rostock, Germany.,Department Life, Light & Matter, University of Rostock, Albert-Einstein-Straße 25, 18059 Rostock, Germany
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15
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Norcott PL. Selective NMR detection of individual reaction components hyperpolarised by reversible exchange with para-hydrogen. Phys Chem Chem Phys 2022; 24:13527-13533. [DOI: 10.1039/d2cp01657e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NMR spectroscopy can sometimes be hampered by two inherent weaknesses: low sensitivity and overlap of signals in complex mixtures. Hyperpolarisation techniques using para-hydrogen (including the method known as SABRE) can...
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16
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Pudakalakatti S, Raj P, Salzillo TC, Enriquez JS, Bourgeois D, Dutta P, Titus M, Shams S, Bhosale P, Kim M, McAllister F, Bhattacharya PK. Metabolic Imaging Using Hyperpolarization for Assessment of Premalignancy. Methods Mol Biol 2022; 2435:169-180. [PMID: 34993946 PMCID: PMC9352438 DOI: 10.1007/978-1-0716-2014-4_12] [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] [Indexed: 06/14/2023]
Abstract
There is an unmet need for noninvasive surrogate markers that can help identify premalignant lesions across different tumor types. Here we describe the methodology and technical details of protocols employed for in vivo 13C pyruvate metabolic imaging experiments. The goal of the method described is to identify and understand metabolic changes, to enable detection of pancreatic premalignant lesions, as a proof of concept of the high sensitivity of this imaging modality.
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Affiliation(s)
- Shivanand Pudakalakatti
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Priyank Raj
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Travis C Salzillo
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA
| | - José S Enriquez
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Dontrey Bourgeois
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Statistics, Rice University, Houston, TX, USA
| | - Prasanta Dutta
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mark Titus
- Department of Genitourinary Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shayan Shams
- Department of Biomedical Informatics, University of Texas Health Science Center, Houston, TX, USA
| | - Priya Bhosale
- MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA
- Department of Abdominal Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael Kim
- MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA
- Department of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Florencia McAllister
- MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA
- Department of Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Pratip K Bhattacharya
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX, USA.
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17
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Pravdivtsev AN, Buntkowsky G, Duckett SB, Koptyug IV, Hövener J. Parahydrogen-Induced Polarization of Amino Acids. Angew Chem Int Ed Engl 2021; 60:23496-23507. [PMID: 33635601 PMCID: PMC8596608 DOI: 10.1002/anie.202100109] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/24/2021] [Indexed: 12/13/2022]
Abstract
Nuclear magnetic resonance (NMR) has become a universal method for biochemical and biomedical studies, including metabolomics, proteomics, and magnetic resonance imaging (MRI). By increasing the signal of selected molecules, the hyperpolarization of nuclear spin has expanded the reach of NMR and MRI even further (e.g. hyperpolarized solid-state NMR and metabolic imaging in vivo). Parahydrogen (pH2 ) offers a fast and cost-efficient way to achieve hyperpolarization, and the last decade has seen extensive advances, including the synthesis of new tracers, catalysts, and transfer methods. The portfolio of hyperpolarized molecules now includes amino acids, which are of great interest for many applications. Here, we provide an overview of the current literature and developments in the hyperpolarization of amino acids and peptides.
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Affiliation(s)
- Andrey N. Pravdivtsev
- Section Biomedical ImagingMolecular Imaging North Competence Center (MOIN CC)Department of Radiology and NeuroradiologyUniversity Medical Center Schleswig-Holstein (UKSH)Kiel UniversityAm Botanischen Garten 1424118KielGermany
| | - Gerd Buntkowsky
- Technical University DarmstadtEduard-Zintl-Institute for Inorganic and Physical ChemistryAlarich-Weiss-Strasse 864287DarmstadtGermany
| | - Simon B. Duckett
- Department Center for Hyperpolarization in Magnetic Resonance (CHyM)Department of ChemistryUniversity of York, HeslingtonYorkYO10 5NYUK
| | - Igor V. Koptyug
- International Tomography CenterSB RAS3A Institutskaya st.630090NovosibirskRussia
- Novosibirsk State University2 Pirogova st.630090NovosibirskRussia
| | - Jan‐Bernd Hövener
- Section Biomedical ImagingMolecular Imaging North Competence Center (MOIN CC)Department of Radiology and NeuroradiologyUniversity Medical Center Schleswig-Holstein (UKSH)Kiel UniversityAm Botanischen Garten 1424118KielGermany
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18
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Pravdivtsev AN, Buntkowsky G, Duckett SB, Koptyug IV, Hövener J. Parawasserstoff‐induzierte Polarisation von Aminosäuren. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Andrey N. Pravdivtsev
- Section Biomedical Imaging Molecular Imaging North Competence Center (MOIN CC) Department of Radiology and Neuroradiology University Medical Center Schleswig-Holstein (UKSH) Kiel University Am Botanischen Garten 14 24118 Kiel Deutschland
| | - Gerd Buntkowsky
- Technical University Darmstadt Eduard-Zintl-Institute for Inorganic and Physical Chemistry Alarich-Weiss-Straße 8 64287 Darmstadt Deutschland
| | - Simon B. Duckett
- Department Center for Hyperpolarization in Magnetic Resonance (CHyM) Department of Chemistry University of York, Heslington York YO10 5NY Vereinigtes Königreich
| | - Igor V. Koptyug
- International Tomography Center SB RAS 3A Institutskaya st. 630090 Novosibirsk Russland
- Novosibirsk State University 2 Pirogova st. 630090 Novosibirsk Russland
| | - Jan‐Bernd Hövener
- Section Biomedical Imaging Molecular Imaging North Competence Center (MOIN CC) Department of Radiology and Neuroradiology University Medical Center Schleswig-Holstein (UKSH) Kiel University Am Botanischen Garten 14 24118 Kiel Deutschland
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19
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Fiedorowicz M, Wieteska M, Rylewicz K, Kossowski B, Piątkowska-Janko E, Czarnecka AM, Toczylowska B, Bogorodzki P. Hyperpolarized 13C tracers: Technical advancements and perspectives for clinical applications. Biocybern Biomed Eng 2021. [DOI: 10.1016/j.bbe.2021.03.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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20
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Elliott SJ, Stern Q, Ceillier M, El Daraï T, Cousin SF, Cala O, Jannin S. Practical dissolution dynamic nuclear polarization. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2021; 126-127:59-100. [PMID: 34852925 DOI: 10.1016/j.pnmrs.2021.04.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 04/09/2021] [Indexed: 06/13/2023]
Abstract
This review article intends to provide insightful advice for dissolution-dynamic nuclear polarization in the form of a practical handbook. The goal is to aid research groups to effectively perform such experiments in their own laboratories. Previous review articles on this subject have covered a large number of useful topics including instrumentation, experimentation, theory, etc. The topics to be addressed here will include tips for sample preparation and for checking sample health; a checklist to correctly diagnose system faults and perform general maintenance; the necessary mechanical requirements regarding sample dissolution; and aids for accurate, fast and reliable polarization quantification. Herein, the challenges and limitations of each stage of a typical dissolution-dynamic nuclear polarization experiment are presented, with the focus being on how to quickly and simply overcome some of the limitations often encountered in the laboratory.
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Affiliation(s)
- Stuart J Elliott
- Centre de Résonance Magnétique Nucléaire à Très Hauts Champs - UMR 5082 Université de Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Quentin Stern
- Centre de Résonance Magnétique Nucléaire à Très Hauts Champs - UMR 5082 Université de Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Morgan Ceillier
- Centre de Résonance Magnétique Nucléaire à Très Hauts Champs - UMR 5082 Université de Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Théo El Daraï
- Centre de Résonance Magnétique Nucléaire à Très Hauts Champs - UMR 5082 Université de Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Samuel F Cousin
- Centre de Résonance Magnétique Nucléaire à Très Hauts Champs - UMR 5082 Université de Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Olivier Cala
- Centre de Résonance Magnétique Nucléaire à Très Hauts Champs - UMR 5082 Université de Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Sami Jannin
- Centre de Résonance Magnétique Nucléaire à Très Hauts Champs - UMR 5082 Université de Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne, France.
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21
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Elliott S, Stern Q, Jannin S. Solid-state 1H spin polarimetry by 13CH 3 nuclear magnetic resonance. MAGNETIC RESONANCE (GOTTINGEN, GERMANY) 2021; 2:643-652. [PMID: 37905218 PMCID: PMC10539844 DOI: 10.5194/mr-2-643-2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 08/02/2021] [Indexed: 11/01/2023]
Abstract
Dissolution dynamic nuclear polarization is used to prepare nuclear spin polarizations approaching unity. At present, 1 H polarization quantification in the solid state remains fastidious due to the requirement of measuring thermal equilibrium signals. Line shape polarimetry of solid-state nuclear magnetic resonance spectra is used to determine several useful properties regarding the spin system under investigation. In the case of highly polarized nuclear spins, such as those prepared under the conditions of dissolution dynamic nuclear polarization experiments, the absolute polarization of a particular isotopic species within the sample may be directly inferred from the characteristics of the corresponding resonance line shape. In situations where direct measurements of polarization are complicated by deleterious phenomena, indirect estimates of polarization using coupled heteronuclear spins prove informative. We present a simple analysis of the 13 C spectral line shape of [2-13 C]sodium acetate based on the normalized deviation of the centre of gravity of the 13 C peaks, which can be used to indirectly evaluate the proton polarization of the methyl group moiety and very likely the entire sample in the case of rapid and homogeneous 1 H-1 H spin diffusion. For the case of positive microwave irradiation, 1 H polarization was found to increase with an increasing normalized centre of gravity deviation. These results suggest that, as a dopant, [2-13 C]sodium acetate could be used to indirectly gauge 1 H polarizations in standard sample formulations, which is potentially advantageous for (i) samples polarized in commercial dissolution dynamic nuclear polarization devices that lack 1 H radiofrequency hardware, (ii) measurements that are deleteriously influenced by radiation damping or complicated by the presence of large background signals and (iii) situations where the acquisition of a thermal equilibrium spectrum is not feasible.
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Affiliation(s)
- Stuart J. Elliott
- Centre de Résonance Magnétique Nucléaire à Très
Hauts Champs – FRE 2034 Université de Lyon/CNRS/Université
Claude Bernard Lyon 1/ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne,
France
- current address: Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, United Kingdom
| | - Quentin Stern
- Centre de Résonance Magnétique Nucléaire à Très
Hauts Champs – FRE 2034 Université de Lyon/CNRS/Université
Claude Bernard Lyon 1/ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne,
France
| | - Sami Jannin
- Centre de Résonance Magnétique Nucléaire à Très
Hauts Champs – FRE 2034 Université de Lyon/CNRS/Université
Claude Bernard Lyon 1/ENS de Lyon, 5 Rue de la Doua, 69100 Villeurbanne,
France
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22
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Pokochueva EV, Burueva DB, Salnikov OG, Koptyug IV. Heterogeneous Catalysis and Parahydrogen-Induced Polarization. Chemphyschem 2021; 22:1421-1440. [PMID: 33969590 DOI: 10.1002/cphc.202100153] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/05/2021] [Indexed: 01/11/2023]
Abstract
Parahydrogen-induced polarization with heterogeneous catalysts (HET-PHIP) has been a subject of extensive research in the last decade since its first observation in 2007. While NMR signal enhancements obtained with such catalysts are currently below those achieved with transition metal complexes in homogeneous hydrogenations in solution, this relatively new field demonstrates major prospects for a broad range of advanced fundamental and practical applications, from providing catalyst-free hyperpolarized fluids for biomedical magnetic resonance imaging (MRI) to exploring mechanisms of industrially important heterogeneous catalytic processes. This review covers the evolution of the heterogeneous catalysts used for PHIP observation, from metal complexes immobilized on solid supports to bulk metals and single-atom catalysts and discusses the general visions for maximizing the obtained NMR signal enhancements using HET-PHIP. Various practical applications of HET-PHIP, both for catalytic studies and for potential production of hyperpolarized contrast agents for MRI, are described.
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Affiliation(s)
- Ekaterina V Pokochueva
- Laboratory of Magnetic Resonance Microimaging, International Tomography Center SB RAS, 3 A Institutskaya St., 630090, Novosibirsk, Russia.,Novosibirsk State University, 2 Pirogova St., 630090, Novosibirsk, Russia
| | - Dudari B Burueva
- Laboratory of Magnetic Resonance Microimaging, International Tomography Center SB RAS, 3 A Institutskaya St., 630090, Novosibirsk, Russia.,Novosibirsk State University, 2 Pirogova St., 630090, Novosibirsk, Russia
| | - Oleg G Salnikov
- Laboratory of Magnetic Resonance Microimaging, International Tomography Center SB RAS, 3 A Institutskaya St., 630090, Novosibirsk, Russia.,Novosibirsk State University, 2 Pirogova St., 630090, Novosibirsk, Russia.,Boreskov Institute of Catalysis SB RAS, 5 Acad. Lavrentiev Ave., 630090, Novosibirsk, Russia
| | - Igor V Koptyug
- Laboratory of Magnetic Resonance Microimaging, International Tomography Center SB RAS, 3 A Institutskaya St., 630090, Novosibirsk, Russia.,Boreskov Institute of Catalysis SB RAS, 5 Acad. Lavrentiev Ave., 630090, Novosibirsk, Russia
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23
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Capozzi A, Kilund J, Karlsson M, Patel S, Pinon AC, Vibert F, Ouari O, Lerche MH, Ardenkjær-Larsen JH. Metabolic contrast agents produced from transported solid 13C-glucose hyperpolarized via dynamic nuclear polarization. Commun Chem 2021; 4:95. [PMID: 36697707 PMCID: PMC9814755 DOI: 10.1038/s42004-021-00536-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/08/2021] [Indexed: 01/28/2023] Open
Abstract
Magnetic Resonance Imaging combined with hyperpolarized 13C-labelled metabolic contrast agents produced via dissolution Dynamic Nuclear Polarization can, non-invasively and in real-time, report on tissue specific aberrant metabolism. However, hyperpolarization equipment is expensive, technically demanding and needs to be installed on-site for the end-user. In this work, we provide a robust methodology that allows remote production of the hyperpolarized 13C-labelled metabolic contrast agents. The methodology, built on photo-induced thermally labile radicals, allows solid sample extraction from the hyperpolarization equipment and several hours' lifetime of the 13C-labelled metabolic contrast agents at appropriate storage/transport conditions. Exemplified with [U-13C, d7]-D-glucose, we remotely produce hyperpolarized 13C-labelled metabolic contrast agents and generate above 10,000-fold liquid-state Magnetic Resonance signal enhancement at 9.4 T, keeping on-site only a simple dissolution device.
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Affiliation(s)
- Andrea Capozzi
- LIFMET, Department of Physics, EPFL, Station 6 (Batiment CH), Lausanne, Switzerland.
- HYPERMAG, Department of Health Technology, Technical University of Denmark, Lyngby, Denmark.
| | - Jan Kilund
- HYPERMAG, Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Magnus Karlsson
- HYPERMAG, Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Saket Patel
- HYPERMAG, Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Arthur Cesar Pinon
- HYPERMAG, Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - François Vibert
- Institut de Chimie Radicalire Aix-Marseille Université, CNRS, ICR UMR 7273, Marseille, Cedex 20, France
| | - Olivier Ouari
- Institut de Chimie Radicalire Aix-Marseille Université, CNRS, ICR UMR 7273, Marseille, Cedex 20, France
| | - Mathilde H Lerche
- HYPERMAG, Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
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24
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Enriquez JS, Chu Y, Pudakalakatti S, Hsieh KL, Salmon D, Dutta P, Millward NZ, Lurie E, Millward S, McAllister F, Maitra A, Sen S, Killary A, Zhang J, Jiang X, Bhattacharya PK, Shams S. Hyperpolarized Magnetic Resonance and Artificial Intelligence: Frontiers of Imaging in Pancreatic Cancer. JMIR Med Inform 2021; 9:e26601. [PMID: 34137725 PMCID: PMC8277399 DOI: 10.2196/26601] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/24/2021] [Accepted: 04/03/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND There is an unmet need for noninvasive imaging markers that can help identify the aggressive subtype(s) of pancreatic ductal adenocarcinoma (PDAC) at diagnosis and at an earlier time point, and evaluate the efficacy of therapy prior to tumor reduction. In the past few years, there have been two major developments with potential for a significant impact in establishing imaging biomarkers for PDAC and pancreatic cancer premalignancy: (1) hyperpolarized metabolic (HP)-magnetic resonance (MR), which increases the sensitivity of conventional MR by over 10,000-fold, enabling real-time metabolic measurements; and (2) applications of artificial intelligence (AI). OBJECTIVE Our objective of this review was to discuss these two exciting but independent developments (HP-MR and AI) in the realm of PDAC imaging and detection from the available literature to date. METHODS A systematic review following the PRISMA extension for Scoping Reviews (PRISMA-ScR) guidelines was performed. Studies addressing the utilization of HP-MR and/or AI for early detection, assessment of aggressiveness, and interrogating the early efficacy of therapy in patients with PDAC cited in recent clinical guidelines were extracted from the PubMed and Google Scholar databases. The studies were reviewed following predefined exclusion and inclusion criteria, and grouped based on the utilization of HP-MR and/or AI in PDAC diagnosis. RESULTS Part of the goal of this review was to highlight the knowledge gap of early detection in pancreatic cancer by any imaging modality, and to emphasize how AI and HP-MR can address this critical gap. We reviewed every paper published on HP-MR applications in PDAC, including six preclinical studies and one clinical trial. We also reviewed several HP-MR-related articles describing new probes with many functional applications in PDAC. On the AI side, we reviewed all existing papers that met our inclusion criteria on AI applications for evaluating computed tomography (CT) and MR images in PDAC. With the emergence of AI and its unique capability to learn across multimodal data, along with sensitive metabolic imaging using HP-MR, this knowledge gap in PDAC can be adequately addressed. CT is an accessible and widespread imaging modality worldwide as it is affordable; because of this reason alone, most of the data discussed are based on CT imaging datasets. Although there were relatively few MR-related papers included in this review, we believe that with rapid adoption of MR imaging and HP-MR, more clinical data on pancreatic cancer imaging will be available in the near future. CONCLUSIONS Integration of AI, HP-MR, and multimodal imaging information in pancreatic cancer may lead to the development of real-time biomarkers of early detection, assessing aggressiveness, and interrogating early efficacy of therapy in PDAC.
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Affiliation(s)
- José S Enriquez
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Yan Chu
- School of Biomedical Informatics, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Shivanand Pudakalakatti
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Kang Lin Hsieh
- School of Biomedical Informatics, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Duncan Salmon
- Department of Electrical and Computer Engineering, Rice University, Houston, TX, United States
| | - Prasanta Dutta
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Niki Zacharias Millward
- Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Department of Urology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Eugene Lurie
- Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Steven Millward
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Florencia McAllister
- Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Department of Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Anirban Maitra
- Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Subrata Sen
- Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Ann Killary
- Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jian Zhang
- Division of Computer Science and Engineering, Louisiana State University, Baton Rouge, LA, United States
| | - Xiaoqian Jiang
- School of Biomedical Informatics, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Pratip K Bhattacharya
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,Graduate School of Biomedical Sciences, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Shayan Shams
- School of Biomedical Informatics, University of Texas Health Science Center at Houston, Houston, TX, United States
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25
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Vaeggemose M, F. Schulte R, Laustsen C. Comprehensive Literature Review of Hyperpolarized Carbon-13 MRI: The Road to Clinical Application. Metabolites 2021; 11:metabo11040219. [PMID: 33916803 PMCID: PMC8067176 DOI: 10.3390/metabo11040219] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 01/02/2023] Open
Abstract
This review provides a comprehensive assessment of the development of hyperpolarized (HP) carbon-13 metabolic MRI from the early days to the present with a focus on clinical applications. The status and upcoming challenges of translating HP carbon-13 into clinical application are reviewed, along with the complexity, technical advancements, and future directions. The road to clinical application is discussed regarding clinical needs and technological advancements, highlighting the most recent successes of metabolic imaging with hyperpolarized carbon-13 MRI. Given the current state of hyperpolarized carbon-13 MRI, the conclusion of this review is that the workflow for hyperpolarized carbon-13 MRI is the limiting factor.
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Affiliation(s)
- Michael Vaeggemose
- GE Healthcare, 2605 Brondby, Denmark;
- MR Research Centre, Department of Clinical Medicine, Aarhus University, 8000 Aarhus, Denmark
| | | | - Christoffer Laustsen
- MR Research Centre, Department of Clinical Medicine, Aarhus University, 8000 Aarhus, Denmark
- Correspondence:
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26
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Stewart NJ, Matsumoto S. Biomedical Applications of the Dynamic Nuclear Polarization and Parahydrogen Induced Polarization Techniques for Hyperpolarized 13C MR Imaging. Magn Reson Med Sci 2021; 20:1-17. [PMID: 31902907 PMCID: PMC7952198 DOI: 10.2463/mrms.rev.2019-0094] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 11/04/2019] [Indexed: 12/17/2022] Open
Abstract
Since the first pioneering report of hyperpolarized [1-13C]pyruvate magnetic resonance imaging (MRI) of the Warburg effect in prostate cancer patients, clinical dissemination of the technique has been rapid; close to 10 sites worldwide now possess a polarizer fit for the clinic, and more than 30 clinical trials, predominantly for oncological applications, are already registered on the US and European clinical trials databases. Hyperpolarized 13C probes to study pathophysiological processes beyond the Warburg effect, including tricarboxylic acid cycle metabolism, intra-cellular pH and cellular necrosis have also been demonstrated in the preclinical arena and are pending clinical translation, and the simultaneous injection of multiple co-polarized agents is opening the door to high-sensitivity, multi-functional molecular MRI with a single dose. Here, we review the biomedical applications to date of the two polarization methods that have been used for in vivo hyperpolarized 13C molecular MRI; namely, dissolution dynamic nuclear polarization and parahydrogen-induced polarization. The basic concept of hyperpolarization and the fundamental theory underpinning these two key 13C hyperpolarization methods, along with recent technological advances that have facilitated biomedical realization, are also covered.
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Affiliation(s)
- Neil J. Stewart
- Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University, Hokkaido, Japan
| | - Shingo Matsumoto
- Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University, Hokkaido, Japan
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27
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Hyperpolarization via dissolution dynamic nuclear polarization: new technological and methodological advances. MAGNETIC RESONANCE MATERIALS IN PHYSICS BIOLOGY AND MEDICINE 2020; 34:5-23. [PMID: 33185800 DOI: 10.1007/s10334-020-00894-w] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/04/2020] [Accepted: 10/23/2020] [Indexed: 12/20/2022]
Abstract
Dissolution-DNP is a method to boost liquid-state NMR sensitivity by several orders of magnitude. The technique consists in hyperpolarizing samples by solid-state dynamic nuclear polarization at low temperature and moderate magnetic field, followed by an instantaneous melting and dilution of the sample happening inside the polarizer. Although the technique is well established and the outstanding signal enhancement paved the way towards many applications precluded to conventional NMR, the race to develop new methods allowing higher throughput, faster and higher polarization, and longer exploitation of the signal is still vivid. In this work, we review the most recent advances on dissolution-DNP methods trying to overcome the original technique's shortcomings. The review describes some of the new approaches in the field, first, in terms of sample formulation and properties, and second, in terms of instrumentation.
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28
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Jeong HJ, Min S, Jeong K. Analysis of 1-aminoisoquinoline using the signal amplification by reversible exchange hyperpolarization technique. Analyst 2020; 145:6478-6484. [PMID: 32744263 DOI: 10.1039/d0an00967a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Signal amplification by reversible exchange (SABRE), a parahydrogen-based hyperpolarization technique, is valuable in detecting low concentrations of chemical compounds, which facilitates the understanding of their functions at the molecular level as well as their applicability in nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI). SABRE of 1-aminoisoquinoline (1-AIQ) is significant because isoquinoline derivatives are the fundamental structures in compounds with notable biological activity and are basic organic building blocks. Through this study, we explain how SABRE is applied to hyperpolarize 1-AIQ for diverse solvent systems such as deuterated and non-deuterated solvents. We observed the amplification of individual protons of 1-AIQ at various magnetic fields. Further, we describe the polarization transfer mechanism of 1-AIQ compared to pyridine using density functional theory (DFT) calculations. This hyperpolarization technique, including the polarization transfer mechanism investigation on 1-AIQ, will provide a firm basis for the future application of the hyperpolarization study on various bio-friendly materials.
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Affiliation(s)
- Hye Jin Jeong
- Department of Chemistry, Korea Military Academy, Seoul 01805, South Korea.
| | - Sein Min
- Department of Chemistry, Seoul Women's University, Seoul 01797, South Korea
| | - Keunhong Jeong
- Department of Chemistry, Korea Military Academy, Seoul 01805, South Korea.
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29
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Jayapaul J, Schröder L. Molecular Sensing with Host Systems for Hyperpolarized 129Xe. Molecules 2020; 25:E4627. [PMID: 33050669 PMCID: PMC7587211 DOI: 10.3390/molecules25204627] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/27/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Hyperpolarized noble gases have been used early on in applications for sensitivity enhanced NMR. 129Xe has been explored for various applications because it can be used beyond the gas-driven examination of void spaces. Its solubility in aqueous solutions and its affinity for hydrophobic binding pockets allows "functionalization" through combination with host structures that bind one or multiple gas atoms. Moreover, the transient nature of gas binding in such hosts allows the combination with another signal enhancement technique, namely chemical exchange saturation transfer (CEST). Different systems have been investigated for implementing various types of so-called Xe biosensors where the gas binds to a targeted host to address molecular markers or to sense biophysical parameters. This review summarizes developments in biosensor design and synthesis for achieving molecular sensing with NMR at unprecedented sensitivity. Aspects regarding Xe exchange kinetics and chemical engineering of various classes of hosts for an efficient build-up of the CEST effect will also be discussed as well as the cavity design of host molecules to identify a pool of bound Xe. The concept is presented in the broader context of reporter design with insights from other modalities that are helpful for advancing the field of Xe biosensors.
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Affiliation(s)
| | - Leif Schröder
- Molecular Imaging, Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany;
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30
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Hassan MM, Olaoye OO. Recent Advances in Chemical Biology Using Benzophenones and Diazirines as Radical Precursors. Molecules 2020; 25:E2285. [PMID: 32414020 PMCID: PMC7288102 DOI: 10.3390/molecules25102285] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/06/2020] [Accepted: 05/09/2020] [Indexed: 12/19/2022] Open
Abstract
The use of light-activated chemical probes to study biological interactions was first discovered in the 1960s, and has since found many applications in studying diseases and gaining deeper insight into various cellular mechanisms involving protein-protein, protein-nucleic acid, protein-ligand (drug, probe), and protein-co-factor interactions, among others. This technique, often referred to as photoaffinity labelling, uses radical precursors that react almost instantaneously to yield spatial and temporal information about the nature of the interaction and the interacting partner(s). This review focuses on the recent advances in chemical biology in the use of benzophenones and diazirines, two of the most commonly known light-activatable radical precursors, with a focus on the last three years, and is intended to provide a solid understanding of their chemical and biological principles and their applications.
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Affiliation(s)
- Muhammad Murtaza Hassan
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road North, Mississauga, ON L5L 1C6, Canada;
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
| | - Olasunkanmi O. Olaoye
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road North, Mississauga, ON L5L 1C6, Canada;
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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31
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Topping GJ, Hundshammer C, Nagel L, Grashei M, Aigner M, Skinner JG, Schulte RF, Schilling F. Acquisition strategies for spatially resolved magnetic resonance detection of hyperpolarized nuclei. MAGMA (NEW YORK, N.Y.) 2020; 33:221-256. [PMID: 31811491 PMCID: PMC7109201 DOI: 10.1007/s10334-019-00807-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 10/08/2019] [Accepted: 11/21/2019] [Indexed: 12/13/2022]
Abstract
Hyperpolarization is an emerging method in magnetic resonance imaging that allows nuclear spin polarization of gases or liquids to be temporarily enhanced by up to five or six orders of magnitude at clinically relevant field strengths and administered at high concentration to a subject at the time of measurement. This transient gain in signal has enabled the non-invasive detection and imaging of gas ventilation and diffusion in the lungs, perfusion in blood vessels and tissues, and metabolic conversion in cells, animals, and patients. The rapid development of this method is based on advances in polarizer technology, the availability of suitable probe isotopes and molecules, improved MRI hardware and pulse sequence development. Acquisition strategies for hyperpolarized nuclei are not yet standardized and are set up individually at most sites depending on the specific requirements of the probe, the object of interest, and the MRI hardware. This review provides a detailed introduction to spatially resolved detection of hyperpolarized nuclei and summarizes novel and previously established acquisition strategies for different key areas of application.
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Affiliation(s)
- Geoffrey J Topping
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Christian Hundshammer
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Luca Nagel
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Martin Grashei
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Maximilian Aigner
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Jason G Skinner
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | | | - Franz Schilling
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.
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32
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Kagawa A, Miyanishi K, Ichijo N, Negoro M, Nakamura Y, Enozawa H, Murata T, Morita Y, Kitagawa M. High-field NMR with dissolution triplet-DNP. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2019; 309:106623. [PMID: 31669795 DOI: 10.1016/j.jmr.2019.106623] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/11/2019] [Accepted: 10/17/2019] [Indexed: 06/10/2023]
Abstract
Dissolution dynamic nuclear polarization (DNP) has wide variety of important applications such as real-time monitoring of chemical reactions and metabolic imaging. We construct DNP using photoexcited triplet electron spins (Triplet-DNP) apparatus combined with dissolution apparatus for solution NMR in a high magnetic field. Triplet-DNP enables us to obtain high nuclear polarization at room temperature. Solid-state samples polarized by Triplet-DNP are transferred to a superconducting magnet and dissolved by injecting aqueous solvents. The 13C polarization of 0.22% has been obtained for [caryboxy-13C]benzoic acid-d in the liquid state. Our results show that Triplet-DNP can be applied to real-time monitoring with solution NMR.
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Affiliation(s)
- Akinori Kagawa
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan; Quantum Information and Quantum Biology Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Japan; PRESTO, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan.
| | - Koichiro Miyanishi
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Naoki Ichijo
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Makoto Negoro
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan; Quantum Information and Quantum Biology Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Japan; PRESTO, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan
| | - Yushi Nakamura
- Faculty of Engineering, Aichi Institute of Technology, Toyota, Aichi 470-0392, Japan
| | - Hideo Enozawa
- Faculty of Engineering, Aichi Institute of Technology, Toyota, Aichi 470-0392, Japan
| | - Tsuyoshi Murata
- Faculty of Engineering, Aichi Institute of Technology, Toyota, Aichi 470-0392, Japan
| | - Yasushi Morita
- Faculty of Engineering, Aichi Institute of Technology, Toyota, Aichi 470-0392, Japan
| | - Masahiro Kitagawa
- Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan; Quantum Information and Quantum Biology Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Japan
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33
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Buckenmaier K, Scheffler K, Plaumann M, Fehling P, Bernarding J, Rudolph M, Back C, Koelle D, Kleiner R, Hövener J, Pravdivtsev AN. Multiple Quantum Coherences Hyperpolarized at Ultra-Low Fields. Chemphyschem 2019; 20:2823-2829. [PMID: 31536665 PMCID: PMC6900040 DOI: 10.1002/cphc.201900757] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 09/17/2019] [Indexed: 11/26/2022]
Abstract
The development of hyperpolarization technologies enabled several yet exotic NMR applications at low and ultra-low fields (ULF), where without hyperpolarization even the detection of a signal from analytes is a challenge. Herein, we present a method for the simultaneous excitation and observation of homo- and heteronuclear multiple quantum coherences (from zero up to the third-order), which give an additional degree of freedom for ULF NMR experiments, where the chemical shift variation is negligible. The approach is based on heteronuclear correlated spectroscopy (COSY); its combination with a phase-cycling scheme allows the selective observation of multiple quantum coherences of different orders. The nonequilibrium spin state and multiple spin orders are generated by signal amplification by reversible exchange (SABRE) and detected at ULF with a superconducting quantum interference device (SQUID)-based NMR system.
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Affiliation(s)
- Kai Buckenmaier
- High-Field Magnetic Resonance CenterMax Planck Institute for Biological CyberneticsMax-Planck-Ring 1172076TübingenGermany
| | - Klaus Scheffler
- High-Field Magnetic Resonance CenterMax Planck Institute for Biological CyberneticsMax-Planck-Ring 1172076TübingenGermany
- Department for Biomedical Magnetic ResonanceUniversity of TübingenHoppe-Seyler-Str. 372076TübingenGermany
| | - Markus Plaumann
- Institute for Biometrics and Medical InformaticsOtto-von-Guericke University Building 02Leipziger Str. 4439120MagdeburgGermany
| | - Paul Fehling
- High-Field Magnetic Resonance CenterMax Planck Institute for Biological CyberneticsMax-Planck-Ring 1172076TübingenGermany
| | - Johannes Bernarding
- Institute for Biometrics and Medical InformaticsOtto-von-Guericke University Building 02Leipziger Str. 4439120MagdeburgGermany
| | - Matthias Rudolph
- High-Field Magnetic Resonance CenterMax Planck Institute for Biological CyberneticsMax-Planck-Ring 1172076TübingenGermany
- Physikalisches Institut and Center for Quantum Science (CQ) in LISAUniversity of TübingenAuf der Morgenstelle 1472076TübingenGermany
| | - Christoph Back
- Physikalisches Institut and Center for Quantum Science (CQ) in LISAUniversity of TübingenAuf der Morgenstelle 1472076TübingenGermany
| | - Dieter Koelle
- Physikalisches Institut and Center for Quantum Science (CQ) in LISAUniversity of TübingenAuf der Morgenstelle 1472076TübingenGermany
| | - Reinhold Kleiner
- Physikalisches Institut and Center for Quantum Science (CQ) in LISAUniversity of TübingenAuf der Morgenstelle 1472076TübingenGermany
| | - Jan‐Bernd Hövener
- Section Biomedical Imaging Molecular Imaging North Competence Center (MOIN CC) Department of Radiology and Neuroradiology University Medical Center KielKiel UniversityAm Botanischen Garten 1424114KielGermany
| | - Andrey N. Pravdivtsev
- Section Biomedical Imaging Molecular Imaging North Competence Center (MOIN CC) Department of Radiology and Neuroradiology University Medical Center KielKiel UniversityAm Botanischen Garten 1424114KielGermany
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34
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Singh J, Suh EH, Sharma G, Khemtong C, Sherry AD, Kovacs Z. Probing carbohydrate metabolism using hyperpolarized 13 C-labeled molecules. NMR IN BIOMEDICINE 2019; 32:e4018. [PMID: 30474153 PMCID: PMC6579721 DOI: 10.1002/nbm.4018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 08/03/2018] [Accepted: 08/11/2018] [Indexed: 05/05/2023]
Abstract
Glycolysis is a fundamental metabolic process in all organisms. Anomalies in glucose metabolism are linked to various pathological conditions. In particular, elevated aerobic glycolysis is a characteristic feature of rapidly growing cells. Glycolysis and the closely related pentose phosphate pathway can be monitored in real time by hyperpolarized 13 C-labeled metabolic substrates such as 13 C-enriched, deuterated D-glucose derivatives, [2-13 C]-D-fructose, [2-13 C] dihydroxyacetone, [1-13 C]-D-glycerate, [1-13 C]-D-glucono-δ-lactone and [1-13 C] pyruvate in healthy and diseased tissues. Elevated glycolysis in tumors (the Warburg effect) was also successfully imaged using hyperpolarized [U-13 C6 , U-2 H7 ]-D-glucose, while the size of the preexisting lactate pool can be measured by 13 C MRS and/or MRI with hyperpolarized [1-13 C]pyruvate. This review summarizes the application of various hyperpolarized 13 C-labeled metabolites to the real-time monitoring of glycolysis and related metabolic processes in normal and diseased tissues.
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Affiliation(s)
- Jaspal Singh
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Eul Hyun Suh
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Gaurav Sharma
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Chalermchai Khemtong
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - A. Dean Sherry
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, TX, USA
| | - Zoltan Kovacs
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, TX, USA
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Barskiy DA, Knecht S, Yurkovskaya AV, Ivanov KL. SABRE: Chemical kinetics and spin dynamics of the formation of hyperpolarization. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2019; 114-115:33-70. [PMID: 31779885 DOI: 10.1016/j.pnmrs.2019.05.005] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 05/16/2019] [Indexed: 05/22/2023]
Abstract
In this review, we present the physical principles of the SABRE (Signal Amplification By Reversible Exchange) method. SABRE is a promising hyperpolarization technique that enhances NMR signals by transferring spin order from parahydrogen (an isomer of the H2 molecule that is in a singlet nuclear spin state) to a substrate that is to be polarized. Spin order transfer takes place in a transient organometallic complex which binds both parahydrogen and substrate molecules; after dissociation of the SABRE complex, free hyperpolarized substrate molecules are accumulated in solution. An advantage of this method is that the substrate is not modified chemically, and its polarization can be regenerated multiple times by bubbling fresh parahydrogen through the solution. Thus, SABRE requires two key ingredients: (i) polarization transfer and (ii) chemical exchange of both parahydrogen and substrate. While there are several excellent reviews on applications of SABRE, the background of the method is discussed less frequently. In this review we aim to explain in detail how SABRE hyperpolarization is formed, focusing on key aspects of both spin dynamics and chemical kinetics, as well as on the interplay between them. Hence, we first cover the known spin order transfer methods applicable to SABRE - cross-relaxation, coherent spin mixing at avoided level crossings, and coherence transfer - and discuss their practical implementation for obtaining SABRE polarization in the most efficient way. Second, we introduce and explain the principle of SABRE hyperpolarization techniques that operate at ultralow (<1 μT), at low (1μT to 0.1 T) and at high (>0.1 T) magnetic fields. Finally, chemical aspects of SABRE are discussed in detail, including chemical systems that are amenable to SABRE and the exchange processes that are required for polarization formation. A theoretical treatment of the spin dynamics and their interplay with chemical kinetics is also presented. This review outlines known aspects of SABRE and provides guidelines for the design of new SABRE experiments, with the goal of solving practical problems of enhancing weak NMR signals.
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Affiliation(s)
- Danila A Barskiy
- Department of Chemistry, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Stephan Knecht
- Eduard-Zintl Institute for Inorganic and Physical Chemistry, TU Darmstadt, Darmstadt 64287, Germany; Department of Radiology, Medical Physics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Alexandra V Yurkovskaya
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Novosibirsk 630090, Russia; Novosibirsk State University, Novosibirsk 630090, Russia
| | - Konstantin L Ivanov
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Novosibirsk 630090, Russia; Novosibirsk State University, Novosibirsk 630090, Russia.
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36
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Richardson PM, Iali W, Roy SS, Rayner PJ, Halse ME, Duckett SB. Rapid 13C NMR hyperpolarization delivered from para-hydrogen enables the low concentration detection and quantification of sugars. Chem Sci 2019; 10:10607-10619. [PMID: 32110347 PMCID: PMC7020793 DOI: 10.1039/c9sc03450a] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 09/23/2019] [Indexed: 12/16/2022] Open
Abstract
The monosaccharides glucose and fructose are rapidly detected and quantified by 13C NMR in conjunction with the hyperpolarisation method signal amplification by reversible exchange-relay.
Monosaccharides, such as glucose and fructose, are important to life. In this work we highlight how the rapid delivery of improved 13C detectability for sugars by nuclear magnetic resonance (NMR) can be achieved using the para-hydrogen based NMR hyperpolarization method SABRE-Relay (Signal Amplification by Reversible Exchange-Relay). The significant 13C signal enhancements of 250 at a high field of 9.4 T, and 3100 at a low field of 1 T, enable the detection of trace amounts of these materials as well as the quantification of their tautomeric makeup. Using studies on 13C and 2H isotopically labelled agents we demonstrate how hyperpolarization lifetime (T1) values can be extended, and how singlet states with long lifetimes can be created. The precise quantification of d-glucose-13C6-d7 at the millimolar concentration level is shown to be possible within minutes in conjunction with a linear hyperpolarized response as a function of concentration. In addition to the measurements using labelled materials, low concentration detection is also illustrated for millimolar samples with natural abundance 13C where isomeric form quantification can be achieved with a single transient.
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Affiliation(s)
- Peter M Richardson
- The Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , UK .
| | - Wissam Iali
- The Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , UK .
| | - Soumya S Roy
- The Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , UK .
| | - Peter J Rayner
- The Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , UK .
| | - Meghan E Halse
- The Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , UK .
| | - Simon B Duckett
- The Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , UK .
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Stanbury EV, Richardson PM, Duckett SB. Understanding substrate substituent effects to improve catalytic efficiency in the SABRE hyperpolarisation process. Catal Sci Technol 2019; 9:3914-3922. [PMID: 31814960 PMCID: PMC6836623 DOI: 10.1039/c9cy00396g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 06/04/2019] [Indexed: 01/19/2023]
Abstract
The use of parahydrogen based hyperpolarisation in NMR is becoming more widespread due to the rapidly expanding range of suitable target molecules and low-cost of parahydrogen production. Hyperpolarisation via SABRE catalysis employs a metal complex to transfer polarisation from parahydrogen into a substrate whilst they are bound. In this paper we present a quantitative study of substrate-iridium ligation effects by reference to the substrates 4-chloropyridine (A), 4-pyridinecarboxaldehyde methyl hemiacetal (B), 4-methylpyridine (C) and 4-methoxypyridine (D), and evaluate the role they play in the SABRE catalysis. Substrates whose substituents enable stronger associations yield slower substrate dissociation rates (k d). A series of variable temperature studies link these exchange rates to optimal SABRE performance and reveal the critical impact of NMR relaxation times (T 1). Longer catalyst residence times are shown to result in shorter substrate T 1 values in solution as binding to iridium promotes relaxation thereby not only reducing SABRE efficiency but decreasing the overall level of achieved hyperpolarisation. Based on these data, a route to achieve more optimal SABRE performance is defined.
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Affiliation(s)
- Emma V Stanbury
- Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , York , YO10 5NY UK .
| | - Peter M Richardson
- Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , York , YO10 5NY UK .
| | - Simon B Duckett
- Centre for Hyperpolarisation in Magnetic Resonance , Department of Chemistry , University of York , York , YO10 5NY UK .
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38
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Semenova O, Richardson PM, Parrott AJ, Nordon A, Halse ME, Duckett SB. Reaction Monitoring Using SABRE-Hyperpolarized Benchtop (1 T) NMR Spectroscopy. Anal Chem 2019; 91:6695-6701. [PMID: 30985110 PMCID: PMC6892580 DOI: 10.1021/acs.analchem.9b00729] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
![]()
The
conversion of [IrCl(COD)(IMes)] (COD = cis,cis-1,5-cyclooctadiene, IMes = 1,3-bis(2,4,6-trimethyl-phenyl)imidazole-2-ylidene)
in the presence of an excess of para-hydrogen (p-H2) and a substrate (4-aminopyridine (4-AP) or 4-methylpyridine (4-MP)) into [Ir(H)2(IMes)(substrate)3]Cl is monitored by 1H NMR spectroscopy using a benchtop (1 T) spectrometer in conjunction
with the p-H2-based hyperpolarization
technique signal amplification by reversible exchange (SABRE). A series
of single-shot 1H NMR measurements are used to monitor
the chemical changes that take place in solution through the lifetime
of the hyperpolarized response. Non-hyperpolarized high-field 1H NMR control measurements were also undertaken to confirm
that the observed time-dependent changes relate directly to the underlying
chemical evolution. The formation of [Ir(H)2(IMes)(substrate)3]Cl is further linked to the hydrogen isotope exchange (HIE)
reaction, which leads to the incorporation of deuterium into the ortho positions of 4-AP, where the source of
deuterium is the solvent, methanol-d4.
Comparable reaction monitoring results are achieved at both high-field
(9.4 T) and low-field (1 T). It is notable that the low sensitivity
of the benchtop (1 T) NMR enables the use of protio solvents, which when used here allows the effects of catalyst formation
and substrate deuteration to be separated. Collectively, these methods illustrate how low-cost low-field NMR
measurements provide unique insight into a complex catalytic process
through a combination of hyperpolarization and relaxation data.
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Affiliation(s)
- Olga Semenova
- Centre for Hyperpolarisation in Magnetic Resonance, Chemistry , The University of York , York YO10 5NY , U.K
| | - Peter M Richardson
- Centre for Hyperpolarisation in Magnetic Resonance, Chemistry , The University of York , York YO10 5NY , U.K
| | - Andrew J Parrott
- WestCHEM, Department of Pure and Applied Chemistry and CPACT , University of Strathclyde , Glasgow G11XQ , U.K
| | - Alison Nordon
- WestCHEM, Department of Pure and Applied Chemistry and CPACT , University of Strathclyde , Glasgow G11XQ , U.K
| | - Meghan E Halse
- Centre for Hyperpolarisation in Magnetic Resonance, Chemistry , The University of York , York YO10 5NY , U.K
| | - Simon B Duckett
- Centre for Hyperpolarisation in Magnetic Resonance, Chemistry , The University of York , York YO10 5NY , U.K
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39
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Harmel RK, Puschmann R, Nguyen Trung M, Saiardi A, Schmieder P, Fiedler D. Harnessing 13C-labeled myo-inositol to interrogate inositol phosphate messengers by NMR. Chem Sci 2019; 10:5267-5274. [PMID: 31191882 PMCID: PMC6540952 DOI: 10.1039/c9sc00151d] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 04/17/2019] [Indexed: 12/12/2022] Open
Abstract
The analysis of inositol poly- and pyrophosphates, an important group of eukaryotic messengers, is enabled by applying 13C-labeled inositol.
Inositol poly- and pyrophosphates (InsPs and PP-InsPs) are an important group of metabolites and mediate a wide range of processes in eukaryotic cells. To elucidate the functions of these molecules, robust techniques for the characterization of inositol phosphate metabolism are required, both at the biochemical and the cellular level. Here, a new tool-set is reported, which employs uniformly 13C-labeled compounds ([13C6]myo-inositol, [13C6]InsP5, [13C6]InsP6, and [13C6]5PP-InsP5), in combination with commonly accessible NMR technology. This approach permitted the detection and quantification of InsPs and PP-InsPs within complex mixtures and at physiological concentrations. Specifically, the enzymatic activity of IP6K1 could be monitored in vitro in real time. Metabolic labeling of mammalian cells with [13C6]myo-inositol enabled the analysis of cellular pools of InsPs and PP-InsPs, and uncovered high concentrations of 5PP-InsP5 in HCT116 cells, especially in response to genetic and pharmacological perturbation. The reported method greatly facilitates the analysis of this otherwise spectroscopically silent group of molecules, and holds great promise to comprehensively analyze inositol-based signaling molecules under normal and pathological conditions.
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Affiliation(s)
- Robert K Harmel
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie , Robert-Rössle-Straße 10 , 13125 Berlin , Germany . .,Institute of Chemistry , Humboldt-Universität zu Berlin , Brook-Taylor-Straße 2 , 12489 Berlin , Germany
| | - Robert Puschmann
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie , Robert-Rössle-Straße 10 , 13125 Berlin , Germany . .,Institute of Chemistry , Humboldt-Universität zu Berlin , Brook-Taylor-Straße 2 , 12489 Berlin , Germany
| | - Minh Nguyen Trung
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie , Robert-Rössle-Straße 10 , 13125 Berlin , Germany . .,Institute of Chemistry , Humboldt-Universität zu Berlin , Brook-Taylor-Straße 2 , 12489 Berlin , Germany
| | - Adolfo Saiardi
- Medical Research Council Laboratory for Molecular Cell Biology , University College London , London , UK
| | - Peter Schmieder
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie , Robert-Rössle-Straße 10 , 13125 Berlin , Germany .
| | - Dorothea Fiedler
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie , Robert-Rössle-Straße 10 , 13125 Berlin , Germany . .,Institute of Chemistry , Humboldt-Universität zu Berlin , Brook-Taylor-Straße 2 , 12489 Berlin , Germany
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40
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Kouřil K, Kouřilová H, Bartram S, Levitt MH, Meier B. Scalable dissolution-dynamic nuclear polarization with rapid transfer of a polarized solid. Nat Commun 2019; 10:1733. [PMID: 30988293 PMCID: PMC6465283 DOI: 10.1038/s41467-019-09726-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 03/27/2019] [Indexed: 12/02/2022] Open
Abstract
In dissolution-dynamic nuclear polarization, nuclear spins are hyperpolarized at cryogenic temperatures using radicals and microwave irradiation. The hyperpolarized solid is dissolved with hot solvent and the solution is transferred to a secondary magnet where strongly enhanced magnetic resonance signals are observed. Here we present a method for transferring the hyperpolarized solid. A bullet containing the frozen, hyperpolarized sample is ejected using pressurized helium gas, and shot into a receiving structure in the secondary magnet, where the bullet is retained and the polarized solid is dissolved rapidly. The transfer takes approximately 70 ms. A solenoid, wound along the entire transfer path ensures adiabatic transfer and limits radical-induced low-field relaxation. The method is fast and scalable towards small volumes suitable for high-resolution nuclear magnetic resonance spectroscopy while maintaining high concentrations of the target molecule. Polarization levels of approximately 30% have been observed for 1-13C-labelled pyruvic acid in solution.
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Affiliation(s)
- Karel Kouřil
- School of Chemistry, University of Southampton, Southampton, SO17 1BJ, United Kingdom.
| | - Hana Kouřilová
- School of Chemistry, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Samuel Bartram
- School of Chemistry, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Malcolm H Levitt
- School of Chemistry, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Benno Meier
- School of Chemistry, University of Southampton, Southampton, SO17 1BJ, United Kingdom.
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41
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Zacharias NM, Ornelas A, Lee J, Hu J, Davis JS, Uddin N, Pudakalakatti S, Menter DG, Karam JA, Wood CG, Hawk ET, Kopetz S, Vilar E, Bhattacharya PK, Millward SW. Real‐Time Interrogation of Aspirin Reactivity, Biochemistry, and Biodistribution by Hyperpolarized Magnetic Resonance Spectroscopy. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Niki M. Zacharias
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
- Department of Urology The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Argentina Ornelas
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Jaehyuk Lee
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Jingzhe Hu
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Jennifer S. Davis
- Department of Epidemiology The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Nasir Uddin
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Shivanand Pudakalakatti
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - David G. Menter
- Department of Gastrointestinal Medical Oncology The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Jose A. Karam
- Department of Urology The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Christopher G. Wood
- Department of Urology The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Ernest T. Hawk
- Department of Clinical Cancer Prevention The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Scott Kopetz
- Department of Gastrointestinal Medical Oncology The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Eduardo Vilar
- Department of Gastrointestinal Medical Oncology The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
- Department of Clinical Cancer Prevention The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Pratip K. Bhattacharya
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
| | - Steven W. Millward
- Department of Cancer Systems Imaging The University of Texas MD Anderson Cancer Center 1515 Holcombe Blvd. Houston TX 77030 USA
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42
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Zacharias NM, Ornelas A, Lee J, Hu J, Davis JS, Uddin N, Pudakalakatti S, Menter DG, Karam JA, Wood CG, Hawk ET, Kopetz S, Vilar E, Bhattacharya PK, Millward SW. Real-Time Interrogation of Aspirin Reactivity, Biochemistry, and Biodistribution by Hyperpolarized Magnetic Resonance Spectroscopy. Angew Chem Int Ed Engl 2019; 58:4179-4183. [PMID: 30680862 PMCID: PMC6467058 DOI: 10.1002/anie.201812759] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/21/2019] [Indexed: 12/21/2022]
Abstract
Hyperpolarized magnetic resonance spectroscopy enables quantitative, non-radioactive, real-time measurement of imaging probe biodistribution and metabolism in vivo. Here, we investigate and report on the development and characterization of hyperpolarized acetylsalicylic acid (aspirin) and its use as a nuclear magnetic resonance (NMR) probe. Aspirin derivatives were synthesized with single- and double-13 C labels and hyperpolarized by dynamic nuclear polarization with 4.7 % and 3 % polarization, respectively. The longitudinal relaxation constants (T1 ) for the labeled acetyl and carboxyl carbonyls were approximately 30 seconds, supporting in vivo imaging and spectroscopy applications. In vitro hydrolysis, transacetylation, and albumin binding of hyperpolarized aspirin were readily monitored in real time by 13 C-NMR spectroscopy. Hyperpolarized, double-labeled aspirin was well tolerated in mice and could be observed by both 13 C-MR imaging and 13 C-NMR spectroscopy in vivo.
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Affiliation(s)
- Niki M. Zacharias
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Argentina Ornelas
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Jaehyuk Lee
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Jingzhe Hu
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Jennifer S. Davis
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Nasir Uddin
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Shivanand Pudakalakatti
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - David G. Menter
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Jose A. Karam
- Department of Urology, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Christopher G. Wood
- Department of Urology, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Ernest T. Hawk
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Scott Kopetz
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Eduardo Vilar
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA);Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Pratip K. Bhattacharya
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
| | - Steven W. Millward
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 (USA)
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Ntziachristos V, Pleitez MA, Aime S, Brindle KM. Emerging Technologies to Image Tissue Metabolism. Cell Metab 2019; 29:518-538. [PMID: 30269982 DOI: 10.1016/j.cmet.2018.09.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 07/24/2018] [Accepted: 09/02/2018] [Indexed: 12/19/2022]
Abstract
Due to the implication of altered metabolism in a large spectrum of tissue function and disease, assessment of metabolic processes becomes essential in managing health. In this regard, imaging can play a critical role in allowing observation of biochemical and physiological processes. Nuclear imaging methods, in particular positron emission tomography, have been widely employed for imaging metabolism but are mainly limited by the use of ionizing radiation and the sensing of only one parameter at each scanning session. Observations in healthy individuals or longitudinal studies of disease could markedly benefit from non-ionizing, multi-parameter imaging methods. We therefore focus this review on progress with the non-ionizing radiation methods of MRI, hyperpolarized magnetic resonance and magnetic resonance spectroscopy, chemical exchange saturation transfer, and emerging optoacoustic (photoacoustic) imaging. We also briefly discuss the role of nuclear and optical imaging methods for research and clinical protocols.
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Affiliation(s)
- Vasilis Ntziachristos
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg 85764, Germany; Chair of Biological Imaging, TranslaTUM, Technical University of Munich, Ismaningerstr. 22, Munich 81675, Germany.
| | - Miguel A Pleitez
- Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Neuherberg 85764, Germany; Chair of Biological Imaging, TranslaTUM, Technical University of Munich, Ismaningerstr. 22, Munich 81675, Germany
| | - Silvio Aime
- Molecular Imaging Center, Department of Molecular Biotechnologies and Health Sciences, University of Turin, Turin 10126, Italy
| | - Kevin M Brindle
- Department of Biochemistry, University of Cambridge, Old Addenbrooke's Site, Cambridge CB2 1GA, UK; Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
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44
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Brender JR, Kishimoto S, Merkle H, Reed G, Hurd RE, Chen AP, Ardenkjaer-Larsen JH, Munasinghe J, Saito K, Seki T, Oshima N, Yamamoto K, Choyke PL, Mitchell J, Krishna MC. Dynamic Imaging of Glucose and Lactate Metabolism by 13C-MRS without Hyperpolarization. Sci Rep 2019; 9:3410. [PMID: 30833588 PMCID: PMC6399318 DOI: 10.1038/s41598-019-38981-1] [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: 08/21/2018] [Accepted: 12/11/2018] [Indexed: 02/01/2023] Open
Abstract
Metabolic reprogramming is one of the defining features of cancer and abnormal metabolism is associated with many other pathologies. Molecular imaging techniques capable of detecting such changes have become essential for cancer diagnosis, treatment planning, and surveillance. In particular, 18F-FDG (fluorodeoxyglucose) PET has emerged as an essential imaging modality for cancer because of its unique ability to detect a disturbed molecular pathway through measurements of glucose uptake. However, FDG-PET has limitations that restrict its usefulness in certain situations and the information gained is limited to glucose uptake only.13C magnetic resonance spectroscopy theoretically has certain advantages over FDG-PET, but its inherent low sensitivity has restricted its use mostly to single voxel measurements unless dissolution dynamic nuclear polarization (dDNP) is used to increase the signal, which brings additional complications for clinical use. We show here a new method of imaging glucose metabolism in vivo by MRI chemical shift imaging (CSI) experiments that relies on a simple, but robust and efficient, post-processing procedure by the higher dimensional analog of singular value decomposition, tensor decomposition. Using this procedure, we achieve an order of magnitude increase in signal to noise in both dDNP and non-hyperpolarized non-localized experiments without sacrificing accuracy. In CSI experiments an approximately 30-fold increase was observed, enough that the glucose to lactate conversion indicative of the Warburg effect can be imaged without hyper-polarization with a time resolution of 12s and an overall spatial resolution that compares favorably to 18F-FDG PET.
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Affiliation(s)
- Jeffrey R Brender
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Shun Kishimoto
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Hellmut Merkle
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA
| | - Galen Reed
- General Electric Healthcare, Toronto, Canada
| | | | | | - Jan Henrik Ardenkjaer-Larsen
- General Electric Healthcare, Toronto, Canada.,Department of Electrical Engineering, Technical University of Denmark, Lyngby, Denmark
| | - Jeeva Munasinghe
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA
| | - Keita Saito
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Tomohiro Seki
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Nobu Oshima
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Kazutoshi Yamamoto
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Peter L Choyke
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - James Mitchell
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Murali C Krishna
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA.
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45
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Grootveld M, Percival B, Gibson M, Osman Y, Edgar M, Molinari M, Mather ML, Casanova F, Wilson PB. Progress in low-field benchtop NMR spectroscopy in chemical and biochemical analysis. Anal Chim Acta 2019; 1067:11-30. [PMID: 31047142 DOI: 10.1016/j.aca.2019.02.026] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 02/18/2019] [Accepted: 02/19/2019] [Indexed: 02/07/2023]
Abstract
The employment of spectroscopically-resolved NMR techniques as analytical probes have previously been both prohibitively expensive and logistically challenging in view of the large sizes of high-field facilities. However, with recent advances in the miniaturisation of magnetic resonance technology, low-field, cryogen-free "benchtop" NMR instruments are seeing wider use. Indeed, these miniaturised spectrometers are utilised in areas ranging from food and agricultural analyses, through to human biofluid assays and disease monitoring. Therefore, it is both intrinsically timely and important to highlight current applications of this analytical strategy, and also provide an outlook for the future, where this approach may be applied to a wider range of analytical problems, both qualitatively and quantitatively.
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Affiliation(s)
- Martin Grootveld
- Chemistry for Health/Bioanalytical Sciences Research Group, Leicester School of Pharmacy, De Montfort University, Leicester, LE1 9BH, UK
| | - Benita Percival
- Chemistry for Health/Bioanalytical Sciences Research Group, Leicester School of Pharmacy, De Montfort University, Leicester, LE1 9BH, UK
| | - Miles Gibson
- Chemistry for Health/Bioanalytical Sciences Research Group, Leicester School of Pharmacy, De Montfort University, Leicester, LE1 9BH, UK
| | - Yasan Osman
- Chemistry for Health/Bioanalytical Sciences Research Group, Leicester School of Pharmacy, De Montfort University, Leicester, LE1 9BH, UK
| | - Mark Edgar
- Department of Chemistry, University of Loughborough, Epinal Way, Loughborough, LE11 3TU, UK
| | - Marco Molinari
- School of Applied Sciences, University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, UK
| | - Melissa L Mather
- Department of Electronic and Electrical Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | | | - Philippe B Wilson
- Chemistry for Health/Bioanalytical Sciences Research Group, Leicester School of Pharmacy, De Montfort University, Leicester, LE1 9BH, UK.
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46
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Capozzi A, Patel S, Gunnarsson CP, Marco-Rius I, Comment A, Karlsson M, Lerche MH, Ouari O, Ardenkjær-Larsen JH. Efficient Hyperpolarization of U- 13 C-Glucose Using Narrow-Line UV-Generated Labile Free Radicals. Angew Chem Int Ed Engl 2019; 58:1334-1339. [PMID: 30515929 PMCID: PMC6531289 DOI: 10.1002/anie.201810522] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 11/21/2018] [Indexed: 11/06/2022]
Abstract
Free radicals generated by UV-light irradiation of a frozen solution containing a fraction of pyruvic acid (PA) have demonstrated their dissolution dynamic nuclear polarization (dDNP) potential, providing up to 30 % [1-13 C]PA liquid-state polarization. Moreover, their labile nature has proven to pave a way to nuclear polarization storage and transport. Herein, differently from the case of PA, the issue of providing dDNP UV-radical precursors (trimethylpyruvic acid and its methyl-deuterated form) not involved in any metabolic pathway was investigated. The 13 C dDNP performance was evaluated for hyperpolarization of [U-13 C6 ,1,2,3,4,5,6,6-d7 ]-d-glucose. The generated UV-radicals proved to be versatile and highly efficient polarizing agents, providing, after dissolution and transfer (10 s), a 13 C liquid-state polarization of up to 32 %.
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Affiliation(s)
- Andrea Capozzi
- Center for Hyperpolarization in Magnetic Resonance, Department of Electrical Engineering, Technical University of Denmark, Building 349, 2800 Kgs Lyngby (Denmark)
| | - Saket Patel
- Institut de Chimie Radicalire, Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20 (France)
| | - Christine Pepke Gunnarsson
- Center for Hyperpolarization in Magnetic Resonance, Department of Electrical Engineering, Technical University of Denmark, Building 349, 2800 Kgs Lyngby (Denmark)
| | - Irene Marco-Rius
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge (United Kingdom)
| | - Arnaud Comment
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge (United Kingdom)
- General Electric Healthcare, Chalfont St Giles, Buckinghamshire HP8 4SP (United Kingdom)
| | - Magnus Karlsson
- Center for Hyperpolarization in Magnetic Resonance, Department of Electrical Engineering, Technical University of Denmark, Building 349, 2800 Kgs Lyngby (Denmark)
| | - Mathilde H. Lerche
- Center for Hyperpolarization in Magnetic Resonance, Department of Electrical Engineering, Technical University of Denmark, Building 349, 2800 Kgs Lyngby (Denmark)
| | - Olivier Ouari
- Institut de Chimie Radicalire, Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille Cedex 20 (France)
| | - Jan Henrik Ardenkjær-Larsen
- Center for Hyperpolarization in Magnetic Resonance, Department of Electrical Engineering, Technical University of Denmark, Building 349, 2800 Kgs Lyngby (Denmark)
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47
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Capozzi A, Patel S, Gunnarsson CP, Marco-Rius I, Comment A, Karlsson M, Lerche MH, Ouari O, Ardenkjaer-Larsen JH. Efficient Hyperpolarization of U-13
C-Glucose Using Narrow-Line UV-Generated Labile Free Radicals. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201810522] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Andrea Capozzi
- Center for Hyperpolarization in Magnetic Resonance; Department of Electrical Engineering; Technical University of Denmark; Building 349 2800 Kgs Lyngby Denmark
| | - Saket Patel
- Institut de Chimie Radicalaire; Aix-Marseille Université; CNRS, ICR UMR 7273; 13397 Marseille Cedex 20 France
| | - Christine Pepke Gunnarsson
- Center for Hyperpolarization in Magnetic Resonance; Department of Electrical Engineering; Technical University of Denmark; Building 349 2800 Kgs Lyngby Denmark
| | - Irene Marco-Rius
- Cancer Research (UK) Cambridge Institute; University of Cambridge; Li Ka Shing Centre Cambridge United Kingdom
| | - Arnaud Comment
- Cancer Research (UK) Cambridge Institute; University of Cambridge; Li Ka Shing Centre Cambridge United Kingdom
- General Electric Healthcare; Chalfont St Giles Buckinghamshire HP8 4SP UK
| | - Magnus Karlsson
- Center for Hyperpolarization in Magnetic Resonance; Department of Electrical Engineering; Technical University of Denmark; Building 349 2800 Kgs Lyngby Denmark
| | - Mathilde H. Lerche
- Center for Hyperpolarization in Magnetic Resonance; Department of Electrical Engineering; Technical University of Denmark; Building 349 2800 Kgs Lyngby Denmark
| | - Olivier Ouari
- Institut de Chimie Radicalaire; Aix-Marseille Université; CNRS, ICR UMR 7273; 13397 Marseille Cedex 20 France
| | - Jan Henrik Ardenkjaer-Larsen
- Center for Hyperpolarization in Magnetic Resonance; Department of Electrical Engineering; Technical University of Denmark; Building 349 2800 Kgs Lyngby Denmark
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48
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Skinner JG, Menichetti L, Flori A, Dost A, Schmidt AB, Plaumann M, Gallagher FA, Hövener JB. Metabolic and Molecular Imaging with Hyperpolarised Tracers. Mol Imaging Biol 2018; 20:902-918. [PMID: 30120644 DOI: 10.1007/s11307-018-1265-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Since reaching the clinic, magnetic resonance imaging (MRI) has become an irreplaceable radiological tool because of the macroscopic information it provides across almost all organs and soft tissues within the human body, all without the need for ionising radiation. The sensitivity of MR, however, is too low to take full advantage of the rich chemical information contained in the MR signal. Hyperpolarisation techniques have recently emerged as methods to overcome the sensitivity limitations by enhancing the MR signal by many orders of magnitude compared to the thermal equilibrium, enabling a new class of metabolic and molecular X-nuclei based MR tracers capable of reporting on metabolic processes at the cellular level. These hyperpolarised (HP) tracers have the potential to elucidate the complex metabolic processes of many organs and pathologies, with studies so far focusing on the fields of oncology and cardiology. This review presents an overview of hyperpolarisation techniques that appear most promising for clinical use today, such as dissolution dynamic nuclear polarisation (d-DNP), parahydrogen-induced hyperpolarisation (PHIP), Brute force hyperpolarisation and spin-exchange optical pumping (SEOP), before discussing methods for tracer detection, emerging metabolic tracers and applications and progress in preclinical and clinical application.
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Affiliation(s)
- Jason Graham Skinner
- Department of Radiology, Medical Physics, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
| | - Luca Menichetti
- Institute of Clinical Physiology, National Research Council (CNR), Pisa, Italy
- Fondazione CNR/Regione Toscana G. Monasterio, Pisa, Italy
| | - Alessandra Flori
- Fondazione CNR/Regione Toscana G. Monasterio, Pisa, Italy
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Anna Dost
- Department of Radiology, Medical Physics, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Andreas Benjamin Schmidt
- Department of Radiology, Medical Physics, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Section Biomedical Imaging and MOIN CC, University Medical Center Schleswig Holstein, Kiel University, Kiel, Germany
| | - Markus Plaumann
- Institute of Biometrics and Medical Informatics, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | | | - Jan-Bernd Hövener
- Section Biomedical Imaging and MOIN CC, University Medical Center Schleswig Holstein, Kiel University, Kiel, Germany.
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49
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Pravdivtsev AN, Skovpin IV, Svyatova AI, Chukanov NV, Kovtunova LM, Bukhtiyarov VI, Chekmenev EY, Kovtunov KV, Koptyug IV, Hövener JB. Chemical Exchange Reaction Effect on Polarization Transfer Efficiency in SLIC-SABRE. J Phys Chem A 2018; 122:9107-9114. [PMID: 30295488 DOI: 10.1021/acs.jpca.8b07163] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Signal Amplification By Reversible Exchange (SABRE) is a new and rapidly developing hyperpolarization technique. The recent discovery of Spin-Lock Induced Crossing SABRE (SLIC-SABRE) showed that high field hyperpolarization transfer techniques developed so far were optimized for singlet spin order that does not coincide with the experimentally produced spin state. Here, we investigated the SLIC-SABRE approach and the most advanced quantitative theoretical SABRE model to date. Our goal is to achieve the highest possible polarization with SLIC-SABRE at high field using the standard SABRE system, IrIMes catalyst with pyridine. We demonstrated the accuracy of the SABRE model describing the effects of various physical parameters such as the amplitude and frequency of the radio frequency field, and the effects of chemical parameters such as the exchange rate constants. By fitting the model to the experimental data, the effective life time of the SABRE complex was estimated, as well as the entropy and enthalpy of the complex-dissociation reaction. We show, for the first time, that this SLIC-SABRE model can be useful for the evaluation of the chemical exchange parameters that are very important for the production of highly polarized contrast agents via SABRE.
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Affiliation(s)
- Andrey N Pravdivtsev
- Section for Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology , University Medical Center Schleswig-Holstein (UKSH), Kiel University , Am Botanischen Garten 14 , 24118 Kiel , Germany
| | - Ivan V Skovpin
- International Tomography Center , Siberian Branch of the Russian Academy of the Sciences , Institutskaya st. 3 A , 630090 Novosibirsk , Russia.,Novosibirsk State University , Pirogova st. 2 , 630090 Novosibirsk , Russia
| | - Alexandra I Svyatova
- International Tomography Center , Siberian Branch of the Russian Academy of the Sciences , Institutskaya st. 3 A , 630090 Novosibirsk , Russia.,Novosibirsk State University , Pirogova st. 2 , 630090 Novosibirsk , Russia
| | - Nikita V Chukanov
- International Tomography Center , Siberian Branch of the Russian Academy of the Sciences , Institutskaya st. 3 A , 630090 Novosibirsk , Russia.,Novosibirsk State University , Pirogova st. 2 , 630090 Novosibirsk , Russia
| | - Larisa M Kovtunova
- Novosibirsk State University , Pirogova st. 2 , 630090 Novosibirsk , Russia.,Boreskov Institute of Catalysis , Siberian Branch of the Russian Academy of the Sciences , 5 Acad. Lavrentiev Ave. , 630090 Novosibirsk , Russia
| | - Valerii I Bukhtiyarov
- Boreskov Institute of Catalysis , Siberian Branch of the Russian Academy of the Sciences , 5 Acad. Lavrentiev Ave. , 630090 Novosibirsk , Russia
| | - Eduard Y Chekmenev
- Department of Chemistry , Wayne State University, Karmanos Cancer Institute (KCI), Integrative Biosciences (Ibio) , Detroit , Michigan 48202 , United States.,Russian Academy of Sciences , Leninskiy Prospekt 14 , 119991 Moscow , Russia
| | - Kirill V Kovtunov
- International Tomography Center , Siberian Branch of the Russian Academy of the Sciences , Institutskaya st. 3 A , 630090 Novosibirsk , Russia.,Novosibirsk State University , Pirogova st. 2 , 630090 Novosibirsk , Russia
| | - Igor V Koptyug
- International Tomography Center , Siberian Branch of the Russian Academy of the Sciences , Institutskaya st. 3 A , 630090 Novosibirsk , Russia.,Novosibirsk State University , Pirogova st. 2 , 630090 Novosibirsk , Russia
| | - Jan-Bernd Hövener
- Section for Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology , University Medical Center Schleswig-Holstein (UKSH), Kiel University , Am Botanischen Garten 14 , 24118 Kiel , Germany
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50
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Richardson PM, John RO, Parrott AJ, Rayner PJ, Iali W, Nordon A, Halse ME, Duckett SB. Quantification of hyperpolarisation efficiency in SABRE and SABRE-Relay enhanced NMR spectroscopy. Phys Chem Chem Phys 2018; 20:26362-26371. [PMID: 30303501 PMCID: PMC6202922 DOI: 10.1039/c8cp05473h] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 09/25/2018] [Indexed: 11/21/2022]
Abstract
para-Hydrogen (p-H2) induced polarisation (PHIP) is an increasingly popular method for sensitivity enhancement in NMR spectroscopy. Its growing popularity is due in part to the introduction of the signal amplification by reversible exchange (SABRE) method that generates renewable hyperpolarisation in target analytes in seconds. A key benefit of PHIP and SABRE is that p-H2 can be relatively easily and cheaply produced, with costs increasing with the desired level of p-H2 purity. In this work, the efficiency of the SABRE polarisation transfer is explored by measuring the level of analyte hyperpolarisation as a function of the level of p-H2 enrichment. A linear relationship was found between p-H2 enrichment and analyte 1H hyperpolarisation for a range of molecules, polarisation transfer catalysts, NMR detection fields and for both the SABRE and SABRE-Relay transfer mechanisms over the range 29-99% p-H2 purity. The gradient of these linear relationships were related to a simple theoretical model to define an overall efficiency parameter, E, that quantifies the net fraction of the available p-H2 polarisation that is transferred to the target analyte. We find that the efficiency of SABRE is independent of the NMR detection field and exceeds E = 20% for methyl-4,6-d2-nicotinate when using a previously optimised catalyst system. For the SABRE-Relay transfer mechanism, efficiencies of up to E = 1% were found for 1H polarisation of 1-propanol, when ammonia was used as the polarisation carrier.
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Affiliation(s)
- Peter M Richardson
- Centre for Hyperpolarisation in Magnetic Resonance, Department of Chemistry, University of York, UK.
| | - Richard O John
- Centre for Hyperpolarisation in Magnetic Resonance, Department of Chemistry, University of York, UK.
| | - Andrew J Parrott
- WestCHEM, Department of Pure and Applied Chemistry and CPACT, University of Strathclyde, Glasgow, UK
| | - Peter J Rayner
- Centre for Hyperpolarisation in Magnetic Resonance, Department of Chemistry, University of York, UK.
| | - Wissam Iali
- Centre for Hyperpolarisation in Magnetic Resonance, Department of Chemistry, University of York, UK.
| | - Alison Nordon
- WestCHEM, Department of Pure and Applied Chemistry and CPACT, University of Strathclyde, Glasgow, UK
| | - Meghan E Halse
- Centre for Hyperpolarisation in Magnetic Resonance, Department of Chemistry, University of York, UK.
| | - Simon B Duckett
- Centre for Hyperpolarisation in Magnetic Resonance, Department of Chemistry, University of York, UK.
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