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Zhu M, Jhajharia A, Josan S, Park JM, Yen YF, Pfefferbaum A, Hurd RE, Spielman DM, Mayer D. Investigating the origin of the 13 C lactate signal in the anesthetized healthy rat brain in vivo after hyperpolarized [1- 13 C]pyruvate injection. NMR IN BIOMEDICINE 2024; 37:e5073. [PMID: 37990800 PMCID: PMC11184633 DOI: 10.1002/nbm.5073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 11/23/2023]
Abstract
The goal of this study was to investigate the origin of brain lactate (Lac) signal in the healthy anesthetized rat after injection of hyperpolarized (HP) [1-13 C]pyruvate (Pyr). Dynamic two-dimensional spiral chemical shift imaging with flow-sensitizing gradients revealed reduction in both vascular and brain Pyr, while no significant dependence on the level of flow suppression was detected for Lac. These results support the hypothesis that the HP metabolites predominantly reside in different compartments in the brain (i.e., Pyr in the blood and Lac in the parenchyma). Data from high-resolution metabolic imaging of [1-13 C]Pyr further demonstrated that Lac detected in the brain was not from contributions of vascular signal attributable to partial volume effects. Additionally, metabolite distributions and kinetics measured with dynamic imaging after injection of HP [1-13 C]Lac were similar to Pyr data when Pyr was used as the substrate. These data do not support the hypothesis that Lac observed in the brain after Pyr injection was generated in other organs and then transported across the blood-brain barrier (BBB). Together, the presented results provide further evidence that even in healthy anesthetized rats, the transport of HP Pyr across the BBB is sufficiently fast to permit detection of its metabolic conversion to Lac within the brain.
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Affiliation(s)
- Minjie Zhu
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Aditya Jhajharia
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Sonal Josan
- Digital Health, Siemens Healthineers, Erlangen, Germany
| | - Jae Mo Park
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Radiology, The University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Biomedical Engineering, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yi-Fen Yen
- Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, USA
| | - Adolf Pfefferbaum
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Ralph E. Hurd
- Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA
| | - Daniel M. Spielman
- Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA
| | - Dirk Mayer
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
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2
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Sharma G, Enriquez JS, Armijo R, Wang M, Bhattacharya P, Pudakalakatti S. Enhancing Cancer Diagnosis with Real-Time Feedback: Tumor Metabolism through Hyperpolarized 1- 13C Pyruvate MRSI. Metabolites 2023; 13:metabo13050606. [PMID: 37233647 DOI: 10.3390/metabo13050606] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/19/2023] [Accepted: 04/23/2023] [Indexed: 05/27/2023] Open
Abstract
This review article discusses the potential of hyperpolarized (HP) 13C magnetic resonance spectroscopic imaging (MRSI) as a noninvasive technique for identifying altered metabolism in various cancer types. Hyperpolarization significantly improves the signal-to-noise ratio for the identification of 13C-labeled metabolites, enabling dynamic and real-time imaging of the conversion of [1-13C] pyruvate to [1-13C] lactate and/or [1-13C] alanine. The technique has shown promise in identifying upregulated glycolysis in most cancers, as compared to normal cells, and detecting successful treatment responses at an earlier stage than multiparametric MRI in breast and prostate cancer patients. The review provides a concise overview of the applications of HP [1-13C] pyruvate MRSI in various cancer systems, highlighting its potential for use in preclinical and clinical investigations, precision medicine, and long-term studies of therapeutic response. The article also discusses emerging frontiers in the field, such as combining multiple metabolic imaging techniques with HP MRSI for a more comprehensive view of cancer metabolism, and leveraging artificial intelligence to develop real-time, actionable biomarkers for early detection, assessing aggressiveness, and interrogating the early efficacy of therapies.
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Affiliation(s)
- Gaurav Sharma
- Department of Cardiovascular & Thoracic Surgery, UT Southwestern Medical Center, Dallas, TX 75390, USA
- Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - José S Enriquez
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 75390, USA
- Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, TX 75390, USA
| | - Ryan Armijo
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 75390, USA
| | - Muxin Wang
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 75390, USA
| | - Pratip Bhattacharya
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 75390, USA
- Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, TX 75390, USA
| | - Shivanand Pudakalakatti
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 75390, USA
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González V, Frontiñan-Rubio J, Gomez MV, Montini T, Durán-Prado M, Fornasiero P, Prato M, Vázquez E. Easy and Versatile Synthesis of Bulk Quantities of Highly Enriched 13C-Graphene Materials for Biological and Safety Applications. ACS NANO 2023; 17:606-620. [PMID: 36538410 PMCID: PMC9835986 DOI: 10.1021/acsnano.2c09799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
The preparation of bulk quantities of 13C-labeled graphene materials is relevant for basic investigations and for practical applications. In addition, 13C-labeled graphene materials can be very useful in biological and environmental studies, as they may allow the detection of graphene or its derivatives in cells or organs. In this paper, we describe the synthesis of 13C-labeled graphene materials (few-layer graphene, FLG, and graphene oxide, GO) on a tens of mg scale, starting from 13C-labeled methane to afford carbon fibers, followed by liquid-phase exfoliation (FLG) or oxidation (GO). The materials have been characterized by several analytical and microscopic techniques, including Raman and nuclear magnetic resonance spectroscopies, thermogravimetric analysis, X-ray photoelectron spectroscopy, and X-ray powder diffraction. As a proof of concept, the distribution of the title compounds in cells has been investigated. In fact, the analysis of the 13C/12C ratio with isotope ratio mass spectrometry (IRMS) allows the detection and quantification of very small amounts of material in cells or biological compartments with high selectivity, even when the material has been degraded. During the treatment of 13C-labeled FLG with HepG2 cells, 4.1% of the applied dose was found in the mitochondrial fraction, while 4.9% ended up in the nuclear fraction. The rest of the dose did not enter into the cell and remained in the plasma membrane or in the culture media.
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Affiliation(s)
- Viviana González
- Instituto
Regional de Investigación Científica Aplicada (IRICA), Universidad de Castilla-La Mancha, 13071Ciudad Real, Spain
| | - Javier Frontiñan-Rubio
- Instituto
Regional de Investigación Científica Aplicada (IRICA), Universidad de Castilla-La Mancha, 13071Ciudad Real, Spain
- Cell
Biology Area, Department of Medical Sciences, Faculty of Medicine, Universidad de Castilla-La Mancha, 13071Ciudad Real, Spain
| | - M. Victoria Gomez
- Instituto
Regional de Investigación Científica Aplicada (IRICA), Universidad de Castilla-La Mancha, 13071Ciudad Real, Spain
- Faculty
of Chemical Science and Technology, Universidad
de Castilla-La Mancha, 13071Ciudad Real, Spain
| | - Tiziano Montini
- Department
of Chemical and Pharmaceutical Sciences, INSTM UdR Trieste, University of Trieste, Via Giorgeri 1, 34127Trieste, Italy
- ICCOM-CNR, University of Trieste, Via L. Giorgieri 1, 34127Trieste, Italy
| | - Mario Durán-Prado
- Cell
Biology Area, Department of Medical Sciences, Faculty of Medicine, Universidad de Castilla-La Mancha, 13071Ciudad Real, Spain
| | - Paolo Fornasiero
- Department
of Chemical and Pharmaceutical Sciences, INSTM UdR Trieste, University of Trieste, Via Giorgeri 1, 34127Trieste, Italy
- ICCOM-CNR, University of Trieste, Via L. Giorgieri 1, 34127Trieste, Italy
| | - Maurizio Prato
- Department
of Chemical and Pharmaceutical Sciences, INSTM UdR Trieste, University of Trieste, Via Giorgeri 1, 34127Trieste, Italy
- Center
for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramón 194, 20014Donostia San Sebastián, Spain
- Basque
Foundation for Science (IKERBASQUE), Plaza Euskadi 5, 48013Bilbao, Spain
| | - Ester Vázquez
- Instituto
Regional de Investigación Científica Aplicada (IRICA), Universidad de Castilla-La Mancha, 13071Ciudad Real, Spain
- Faculty
of Chemical Science and Technology, Universidad
de Castilla-La Mancha, 13071Ciudad Real, Spain
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Lee PM, Chen HY, Gordon JW, Wang ZJ, Bok R, Hashoian R, Kim Y, Liu X, Nickles T, Cheung K, De Las Alas F, Daniel H, Larson PEZ, von Morze C, Vigneron DB, Ohliger MA. Whole-Abdomen Metabolic Imaging of Healthy Volunteers Using Hyperpolarized [1- 13 C]pyruvate MRI. J Magn Reson Imaging 2022; 56:1792-1806. [PMID: 35420227 PMCID: PMC9562149 DOI: 10.1002/jmri.28196] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Hyperpolarized 13 C MRI quantitatively measures enzyme-catalyzed metabolism in cancer and metabolic diseases. Whole-abdomen imaging will permit dynamic metabolic imaging of several abdominal organs simultaneously in healthy and diseased subjects. PURPOSE Image hyperpolarized [1-13 C]pyruvate and products in the abdomens of healthy volunteers, overcoming challenges of motion, magnetic field variations, and spatial coverage. Compare hyperpolarized [1-13 C]pyruvate metabolism across abdominal organs of healthy volunteers. STUDY TYPE Prospective technical development. SUBJECTS A total of 13 healthy volunteers (8 male), 21-64 years (median 36). FIELD STRENGTH/SEQUENCE A 3 T. Proton: T1 -weighted spoiled gradient echo, T2 -weighted single-shot fast spin echo, multiecho fat/water imaging. Carbon-13: echo-planar spectroscopic imaging, metabolite-specific echo-planar imaging. ASSESSMENT Transmit magnetic field was measured. Variations in main magnetic field (ΔB0 ) determined using multiecho proton acquisitions were compared to carbon-13 acquisitions. Changes in ΔB0 were measured after localized shimming. Improvements in metabolite signal-to-noise ratio were calculated. Whole-organ regions of interests were drawn over the liver, spleen, pancreas, and kidneys by a single investigator. Metabolite signals, time-to-peak, decay times, and mean first-order rate constants for pyruvate-to-lactate (kPL ) and alanine (kPA ) conversion were measured in each organ. STATISTICAL TESTS Linear regression, one-sample Kolmogorov-Smirnov tests, paired t-tests, one-way ANOVA, Tukey's multiple comparisons tests. P ≤ 0.05 considered statistically significant. RESULTS Proton ΔB0 maps correlated with carbon-13 ΔB0 maps (slope = 0.93, y-intercept = -2.88, R2 = 0.73). Localized shimming resulted in mean frequency offset within ±25 Hz for all organs. Metabolite SNR significantly increased after denoising. Mean kPL and kPA were highest in liver, followed by pancreas, spleen, and kidneys (all comparisons with liver were significant). DATA CONCLUSION Whole-abdomen coverage with hyperpolarized carbon-13 MRI was feasible despite technical challenges. Multiecho gradient echo 1 H acquisitions accurately predicted chemical shifts observed using carbon-13 spectroscopy. Carbon-13 acquisitions benefited from local shimming. Metabolite energetics in the abdomen compiled for healthy volunteers can be used to design larger clinical trials in patients with metabolic diseases. EVIDENCE LEVEL 2 TECHNICAL EFFICACY: Stage 1.
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Affiliation(s)
- Philip M Lee
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco; San Francisco, California, USA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Hsin-Yu Chen
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Jeremy W Gordon
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Zhen J Wang
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Robert Bok
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | | | - Yaewon Kim
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Xiaoxi Liu
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Tanner Nickles
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco; San Francisco, California, USA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Kiersten Cheung
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Francesca De Las Alas
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Heather Daniel
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Peder EZ Larson
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco; San Francisco, California, USA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Cornelius von Morze
- Mallinckrodt Institute of Radiology, Washington University in St. Louis; St. Louis, Missouri, USA
| | - Daniel B Vigneron
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco; San Francisco, California, USA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
| | - Michael A Ohliger
- Department of Radiology and Biomedical Imaging, University of California, San Francisco; San Francisco, California, USA
- Department of Radiology, Zuckerberg San Francisco General Hospital and Trauma Center; San Francisco, California, USA
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5
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Multinuclear MRI in Drug Discovery. Molecules 2022; 27:molecules27196493. [PMID: 36235031 PMCID: PMC9572840 DOI: 10.3390/molecules27196493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/17/2022] [Accepted: 09/29/2022] [Indexed: 11/05/2022] Open
Abstract
The continuous development of magnetic resonance imaging broadens the range of applications to newer areas. Using MRI, we can not only visualize, but also track pharmaceutical substances and labeled cells in both in vivo and in vitro tests. 1H is widely used in the MRI method, which is determined by its high content in the human body. The potential of the MRI method makes it an excellent tool for imaging the morphology of the examined objects, and also enables registration of changes at the level of metabolism. There are several reports in the scientific publications on the use of clinical MRI for in vitro tracking. The use of multinuclear MRI has great potential for scientific research and clinical studies. Tuning MRI scanners to the Larmor frequency of a given nucleus, allows imaging without tissue background. Heavy nuclei are components of both drugs and contrast agents and molecular complexes. The implementation of hyperpolarization techniques allows for better MRI sensitivity. The aim of this review is to present the use of multinuclear MRI for investigations in drug delivery.
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6
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Vaidya MV, Zhang B, Hong D, Brown R, Batsios G, Viswanath P, Paska J, Wulf G, Grant AK, Ronen SM, Larson PEZ. A 13C/ 31P surface coil to visualize metabolism and energetics in the rodent brain at 3 Tesla. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2022; 343:107286. [PMID: 36075133 PMCID: PMC9721620 DOI: 10.1016/j.jmr.2022.107286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/04/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
PURPOSE We constructed a 13C/31P surface coil at 3 T for studying cancer metabolism and bioenergetics. In a single scan session, hyperpolarized 13C-pyruvate MRS and 31P MRS was carried out for a healthy rat brain. METHODS All experiments were carried out at 3 Tesla. The multinuclear surface coil was designed as two coplanar loops each tuned to either the 13C or 31P operating frequency with an LCC trap on the 13C loop. A commercial volume proton coil was used for anatomical localization and B0 shimming. Single tuned coils operating at either the 13C or 31P frequency were built to evaluate the relative performance of the multinuclear coil. Coil performance metrics consisted of measuring Q factor ratio, calculating system input power using a single-pulse acquisition, and acquiring SNR and flip angle maps using 2D CSI sequences. To observe in vivo spectra, a bolus of hyperpolarized [1-13C] pyruvate was administered via tail vein. In vivo13C and endogenous 31P spectra were obtained in a single scan session using 1D slice selective acquisitions. RESULTS When compared with single tuned surface coils, the multinuclear coil performance showed a decrease in Q factor ratio, SNR, and transmit efficiency. Flip angle maps showed adequate flip angles within the phantom when the transmit voltage was set using an external phantom. Results show good detection of 13C labeled lactate, alanine, and bicarbonate in addition to ATP from 31P MRS. CONCLUSIONS The coil enables obtaining complementary information within a scan session, thus reducing the number of trials and minimizing biological variability for studies of metabolism and bioenergetics.
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Affiliation(s)
- Manushka V Vaidya
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA.
| | - Bei Zhang
- Advanced Imaging Research Center, UT Southwestern Medical Center, Dallas, TX, USA
| | - DongHyun Hong
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
| | - Ryan Brown
- Center for Advanced Imaging Innovation and Research, and Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, NY, USA
| | - Georgios Batsios
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
| | - Pavithra Viswanath
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
| | - Jan Paska
- Center for Advanced Imaging Innovation and Research, and Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, NY, USA
| | - Gerburg Wulf
- Department of Hematology-Oncology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Aaron K Grant
- Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Sabrina M Ronen
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
| | - Peder E Z Larson
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
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7
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Zaccagna F, McLean MA, Grist JT, Kaggie J, Mair R, Riemer F, Woitek R, Gill AB, Deen S, Daniels CJ, Ursprung S, Schulte RF, Allinson K, Chhabra A, Laurent MC, Locke M, Frary A, Hilborne S, Patterson I, Carmo BD, Slough R, Wilkinson I, Basu B, Wason J, Gillard JH, Matys T, Watts C, Price SJ, Santarius T, Graves MJ, Jefferies S, Brindle KM, Gallagher FA. Imaging Glioblastoma Metabolism by Using Hyperpolarized [1- 13C]Pyruvate Demonstrates Heterogeneity in Lactate Labeling: A Proof of Principle Study. Radiol Imaging Cancer 2022; 4:e210076. [PMID: 35838532 PMCID: PMC9360994 DOI: 10.1148/rycan.210076] [Citation(s) in RCA: 16] [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: 07/19/2021] [Revised: 04/27/2022] [Accepted: 05/19/2022] [Indexed: 01/20/2023]
Abstract
Purpose To evaluate glioblastoma (GBM) metabolism by using hyperpolarized carbon 13 (13C) MRI to monitor the exchange of the hyperpolarized 13C label between injected [1-13C]pyruvate and tumor lactate and bicarbonate. Materials and Methods In this prospective study, seven treatment-naive patients (age [mean ± SD], 60 years ± 11; five men) with GBM were imaged at 3 T by using a dual-tuned 13C-hydrogen 1 head coil. Hyperpolarized [1-13C]pyruvate was injected, and signal was acquired by using a dynamic MRI spiral sequence. Metabolism was assessed within the tumor, in the normal-appearing brain parenchyma (NABP), and in healthy volunteers by using paired or unpaired t tests and a Wilcoxon signed rank test. The Spearman ρ correlation coefficient was used to correlate metabolite labeling with lactate dehydrogenase A (LDH-A) expression and some immunohistochemical markers. The Benjamini-Hochberg procedure was used to correct for multiple comparisons. Results The bicarbonate-to-pyruvate (BP) ratio was lower in the tumor than in the contralateral NABP (P < .01). The tumor lactate-to-pyruvate (LP) ratio was not different from that in the NABP (P = .38). The LP and BP ratios in the NABP were higher than those observed previously in healthy volunteers (P < .05). Tumor lactate and bicarbonate signal intensities were strongly correlated with the pyruvate signal intensity (ρ = 0.92, P < .001, and ρ = 0.66, P < .001, respectively), and the LP ratio was weakly correlated with LDH-A expression in biopsy samples (ρ = 0.43, P = .04). Conclusion Hyperpolarized 13C MRI demonstrated variation in lactate labeling in GBM, both within and between tumors. In contrast, bicarbonate labeling was consistently lower in tumors than in the surrounding NABP. Keywords: Hyperpolarized 13C MRI, Glioblastoma, Metabolism, Cancer, MRI, Neuro-oncology Supplemental material is available for this article. Published under a CC BY 4.0 license.
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Affiliation(s)
- Fulvio Zaccagna
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Mary A. McLean
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - James T. Grist
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Joshua Kaggie
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Richard Mair
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Frank Riemer
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Ramona Woitek
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Andrew B. Gill
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Surrin Deen
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Charlie J. Daniels
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Stephan Ursprung
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Rolf F. Schulte
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Kieren Allinson
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Anita Chhabra
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Marie-Christine Laurent
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Matthew Locke
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Amy Frary
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Sarah Hilborne
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Ilse Patterson
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Bruno D. Carmo
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Rhys Slough
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Ian Wilkinson
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Bristi Basu
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - James Wason
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Jonathan H. Gillard
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Tomasz Matys
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Colin Watts
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Stephen J. Price
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Thomas Santarius
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Martin J. Graves
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Sarah Jefferies
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Kevin M. Brindle
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
| | - Ferdia A. Gallagher
- From the Departments of Radiology (F.Z., J.T.G., J.K., F.R., R.W.,
A.B.G., S.D., C.J.D., S.U., M.C.L., M.L., A.F., S.H., J.H.G., T.M., M.J.G.,
F.A.G.), Clinical Neurosciences (R.M., C.W., S.J.P., T.S.), and Medicine (I.W.),
University of Cambridge School of Clinical Medicine, Cambridge, England; Cancer
Research UK Cambridge Institute (M.A.M., S.U., K.M.B.), Medical Research Council
Biostatistics Unit (J.W.), and Department of Biochemistry (K.M.B.), University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge, CB2 0RE, England;
Department of Biomedical Imaging and Image-guided Therapy, Medical University of
Vienna, Vienna, Austria (R.W.); GE Healthcare, Munich, Germany (R.F.S.);
Department of Pathology (K.A.), Cambridge Cancer Trials Centre (A.C.),
Department of Radiology (I.P., B.D.C., R.S.), and Department of Oncology (B.B.,
S.J.), Cambridge University Hospitals National Health Service Foundation Trust,
Cambridge, England; and Population Health Sciences Institute, Newcastle
University, Newcastle upon Tyne, England (J.W.)
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8
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Read GH, Bailleul J, Vlashi E, Kesarwala AH. Metabolic response to radiation therapy in cancer. Mol Carcinog 2022; 61:200-224. [PMID: 34961986 PMCID: PMC10187995 DOI: 10.1002/mc.23379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 12/01/2021] [Accepted: 12/01/2021] [Indexed: 11/11/2022]
Abstract
Tumor metabolism has emerged as a hallmark of cancer and is involved in carcinogenesis and tumor growth. Reprogramming of tumor metabolism is necessary for cancer cells to sustain high proliferation rates and enhanced demands for nutrients. Recent studies suggest that metabolic plasticity in cancer cells can decrease the efficacy of anticancer therapies by enhancing antioxidant defenses and DNA repair mechanisms. Studying radiation-induced metabolic changes will lead to a better understanding of radiation response mechanisms as well as the identification of new therapeutic targets, but there are few robust studies characterizing the metabolic changes induced by radiation therapy in cancer. In this review, we will highlight studies that provide information on the metabolic changes induced by radiation and oxidative stress in cancer cells and the associated underlying mechanisms.
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Affiliation(s)
- Graham H. Read
- Department of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
| | - Justine Bailleul
- Department of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
| | - Erina Vlashi
- Department of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, California
| | - Aparna H. Kesarwala
- Department of Radiation Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia
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9
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Kim H, Huang Y, Zhao N, Wang YH, Sakhamuri S, Chopra S, Hooshdaran N, Sriram R, Aggarwal R, Evans MJ. In Vivo Profiling with 18F-YJH08 Reveals Diverse Tissue Patterns of Antagonist/Glucocorticoid Receptor Interactions. Mol Pharm 2022; 19:704-709. [PMID: 35049307 DOI: 10.1021/acs.molpharmaceut.1c00833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Demonstrating target engagement in vivo is an important milestone in drug development, both to establish on target, on tissue interactions but also to identify potentially undesirable off tissue binding. The glucocorticoid receptor (GR) is a long-studied yet vexing drug target that has recently re-emerged as a potential druggable driver of many solid tumor types including breast and prostate cancer, and several antagonists are currently in early phase clinical trials. Since GR is also ubiquitously expressed in normal tissues, understanding antagonist/GR interactions in normal tissues and tumor is crucial to defining a therapeutic index. Herein, we demonstrate that the GR radioligand 18F-YJH08 can map drug/GR engagement in vivo. Profiling target engagement in vivo showed that the GR antagonists RU486 (mifepristone) and CORT125281 engaged GR in fewer normal tissues compared to ORIC-101 or the agonist dexamethasone. Furthermore, 18F-YJH08 detected GR in human prostate cancer tumor models and measured receptor binding by RU486. In summary, these data show for the first time that antagonist/GR interactions can be measured in vivo with 18F-YJH08, a finding with clinical relevance as GR antagonists and 11C-YJH08 are currently in clinical trials.
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Affiliation(s)
- Hyunjung Kim
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States
| | - Yangjie Huang
- Fujian Engineering Research Center of New Chinese lacquer Material, Ocean College, Minjiang University, Fuzhou 350108, People's Republic of China
| | - Ning Zhao
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States
| | - Yung-Hua Wang
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States
| | - Sasank Sakhamuri
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States
| | - Shalini Chopra
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States
| | - Nima Hooshdaran
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States
| | - Renuka Sriram
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States
| | - Rahul Aggarwal
- Department of Medicine, University of California, San Francisco, San Francisco, California 94158, United States.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, California 94158, United States
| | - Michael J Evans
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94158, United States.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, California 94158, United States.,Department of Pharmaceutical Chemistry, University of California, San Francisco San Francisco, California 94158, United States
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10
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Elbanna M, Chowdhury NN, Rhome R, Fishel ML. Clinical and Preclinical Outcomes of Combining Targeted Therapy With Radiotherapy. Front Oncol 2021; 11:749496. [PMID: 34733787 PMCID: PMC8558533 DOI: 10.3389/fonc.2021.749496] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/30/2021] [Indexed: 12/12/2022] Open
Abstract
In the era of precision medicine, radiation medicine is currently focused on the precise delivery of highly conformal radiation treatments. However, the tremendous developments in targeted therapy are yet to fulfill their full promise and arguably have the potential to dramatically enhance the radiation therapeutic ratio. The increased ability to molecularly profile tumors both at diagnosis and at relapse and the co-incident progress in the field of radiogenomics could potentially pave the way for a more personalized approach to radiation treatment in contrast to the current ‘‘one size fits all’’ paradigm. Few clinical trials to date have shown an improved clinical outcome when combining targeted agents with radiation therapy, however, most have failed to show benefit, which is arguably due to limited preclinical data. Several key molecular pathways could theoretically enhance therapeutic effect of radiation when rationally targeted either by directly enhancing tumor cell kill or indirectly through the abscopal effect of radiation when combined with novel immunotherapies. The timing of combining molecular targeted therapy with radiation is also important to determine and could greatly affect the outcome depending on which pathway is being inhibited.
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Affiliation(s)
- May Elbanna
- Department of Radiation Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Indiana University Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Nayela N Chowdhury
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Ryan Rhome
- Department of Radiation Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Indiana University Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Melissa L Fishel
- Indiana University Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Pediatrics and Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
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11
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Zaccagna F, Grist JT, Quartuccio N, Riemer F, Fraioli F, Caracò C, Halsey R, Aldalilah Y, Cunningham CH, Massoud TF, Aloj L, Gallagher FA. Imaging and treatment of brain tumors through molecular targeting: Recent clinical advances. Eur J Radiol 2021; 142:109842. [PMID: 34274843 DOI: 10.1016/j.ejrad.2021.109842] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 06/24/2021] [Indexed: 02/07/2023]
Abstract
Molecular imaging techniques have rapidly progressed over recent decades providing unprecedented in vivo characterization of metabolic pathways and molecular biomarkers. Many of these new techniques have been successfully applied in the field of neuro-oncological imaging to probe tumor biology. Targeting specific signaling or metabolic pathways could help to address several unmet clinical needs that hamper the management of patients with brain tumors. This review aims to provide an overview of the recent advances in brain tumor imaging using molecular targeting with positron emission tomography and magnetic resonance imaging, as well as the role in patient management and possible therapeutic implications.
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Affiliation(s)
- Fulvio Zaccagna
- Division of Neuroimaging, Department of Medical Imaging, University of Toronto, Toronto, Canada.
| | - James T Grist
- Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom; Oxford Centre for Clinical Magnetic Resonance Research, University of Oxford, Oxford, United Kingdom; Department of Radiology, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom; Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Natale Quartuccio
- Nuclear Medicine Unit, A.R.N.A.S. Ospedali Civico Di Cristina Benfratelli, Palermo, Italy
| | - Frank Riemer
- Mohn Medical Imaging and Visualization Centre, University of Bergen, Bergen, Norway; Department of Radiology, Haukeland University Hospital, Bergen, Norway
| | - Francesco Fraioli
- Institute of Nuclear Medicine, University College London, London, United Kingdom; NIHR University College London Hospitals Biomedical Research Centre, London, United Kingdom
| | - Corradina Caracò
- Department of Radiology, University of Cambridge, Cambridge, United Kingdom
| | - Richard Halsey
- Institute of Nuclear Medicine, University College London, London, United Kingdom; NIHR University College London Hospitals Biomedical Research Centre, London, United Kingdom
| | - Yazeed Aldalilah
- Institute of Nuclear Medicine, University College London, London, United Kingdom; NIHR University College London Hospitals Biomedical Research Centre, London, United Kingdom; Department of Radiology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Charles H Cunningham
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada; Physical Sciences, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Tarik F Massoud
- Division of Neuroimaging and Neurointervention, Department of Radiology, Stanford University School of Medicine, Stanford, USA
| | - Luigi Aloj
- Department of Radiology, University of Cambridge, Cambridge, United Kingdom; Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Ferdia A Gallagher
- Department of Radiology, University of Cambridge, Cambridge, United Kingdom; Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
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12
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Li Y, Vigneron DB, Xu D. Current human brain applications and challenges of dynamic hyperpolarized carbon-13 labeled pyruvate MR metabolic imaging. Eur J Nucl Med Mol Imaging 2021; 48:4225-4235. [PMID: 34432118 PMCID: PMC8566394 DOI: 10.1007/s00259-021-05508-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 07/27/2021] [Indexed: 12/17/2022]
Abstract
The ability of hyperpolarized carbon-13 MR metabolic imaging to acquire dynamic metabolic information in real time is crucial to gain mechanistic insights into metabolic pathways, which are complementary to anatomic and other functional imaging methods. This review presents the advantages of this emerging functional imaging technology, describes considerations in clinical translations, and summarizes current human brain applications. Despite rapid development in methodologies, significant technological and physiological related challenges continue to impede broader clinical translation.
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Affiliation(s)
- Yan Li
- Department of Radiology and Biomedical Imaging, UCSF Radiology, University of California, 185 Berry Street, Ste 350, Box 0946, San Francisco, CA, 94107, USA.
| | - Daniel B Vigneron
- Department of Radiology and Biomedical Imaging, UCSF Radiology, University of California, 185 Berry Street, Ste 350, Box 0946, San Francisco, CA, 94107, USA
| | - Duan Xu
- Department of Radiology and Biomedical Imaging, UCSF Radiology, University of California, 185 Berry Street, Ste 350, Box 0946, San Francisco, CA, 94107, USA
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13
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Lee PM, Chen HY, Gordon JW, Zhu Z, Larson PEZ, Dwork N, Van Criekinge M, Carvajal L, Ohliger MA, Wang ZJ, Xu D, Kurhanewicz J, Bok RA, Aggarwal R, Munster PN, Vigneron DB. Specialized computational methods for denoising, B 1 correction, and kinetic modeling in hyperpolarized 13 C MR EPSI studies of liver tumors. Magn Reson Med 2021; 86:2402-2411. [PMID: 34216051 DOI: 10.1002/mrm.28901] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/14/2021] [Accepted: 06/03/2021] [Indexed: 01/10/2023]
Abstract
PURPOSE To develop a novel post-processing pipeline for hyperpolarized (HP) 13 C MRSI that integrates tensor denoising and B 1 + correction to measure pyruvate-to-lactate conversion rates (kPL ) in patients with liver tumors. METHODS Seven HP 13 C MR scans of progressing liver tumors were acquired using a custom 13 C surface transmit/receive coil and the echo-planar spectroscopic imaging (EPSI) data analysis included B0 correction, tensor rank truncation, and zero- and first-order phase corrections to recover metabolite signals that would otherwise be obscured by spectral noise as well as a correction for inhomogeneous transmit ( B 1 + ) using a B 1 + map aligned to the coil position for each patient scan. Processed HP data and corrected flip angles were analyzed with an inputless two-site exchange model to calculate kPL . RESULTS Denoising averages SNR increases of pyruvate, lactate, and alanine were 37.4-, 34.0-, and 20.1-fold, respectively, with lactate and alanine dynamics most noticeably recovered and better defined. In agreement with Monte Carlo simulations, over-flipped regions underestimated kPL and under-flipped regions overestimated kPL . B 1 + correction addressed this issue. CONCLUSION The new HP 13 C EPSI post-processing pipeline integrated tensor denoising and B 1 + correction to measure kPL in patients with liver tumors. These technical developments not only recovered metabolite signals in voxels that did not receive the prescribed flip angle, but also increased the extent and accuracy of kPL estimations throughout the tumor and adjacent regions including normal-appearing tissue and additional lesions.
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Affiliation(s)
- Philip M Lee
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, California, USA.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Hsin-Yu Chen
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Jeremy W Gordon
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Zihan Zhu
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, California, USA.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Peder E Z Larson
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, California, USA.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Nicholas Dwork
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Mark Van Criekinge
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Lucas Carvajal
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Michael A Ohliger
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Zhen J Wang
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Duan Xu
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, California, USA.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - John Kurhanewicz
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, California, USA.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Robert A Bok
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Rahul Aggarwal
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Pamela N Munster
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Daniel B Vigneron
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco and University of California, Berkeley, California, USA.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
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14
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Kawai T, Brender JR, Lee JA, Kramp T, Kishimoto S, Krishna MC, Tofilon P, Camphausen KA. Detection of metabolic change in glioblastoma cells after radiotherapy using hyperpolarized 13 C-MRI. NMR IN BIOMEDICINE 2021; 34:e4514. [PMID: 33939204 PMCID: PMC8243917 DOI: 10.1002/nbm.4514] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Dynamic nuclear polarization (DNP) of 13 C-labeled substrates enables the use of magnetic resonance imaging (MRI) to monitor specific enzymatic reactions in tumors and offers an opportunity to investigate these differences. In this study, DNP-MRI chemical shift imaging with hyperpolarized [1-13 C] pyruvate was conducted to evaluate the metabolic change in glycolytic profiles after radiation of two glioma stem-like cell-derived gliomas (GBMJ1 and NSC11) and an adherent human glioblastoma cell line (U251) in an orthotopic xenograft mouse model. The DNP-MRI showed an increase in Lac/Pyr at 6 and 16 h after irradiation (18% ± 4% and 14% ± 3%, respectively; mean ± SEM) compared with unirradiated controls in GBMJ1 tumors, whereas no significant change was observed in U251 and NSC11 tumors. Metabolomic analysis likewise showed a significant increase in lactate in GBMJ1 tumors at 16 h. An immunoblot assay showed upregulation of lactate dehydrogenase-A expression in GBMJ1 following radiation exposure, consistent with DNP-MRI and metabolomic analysis. In conclusion, our preclinical study demonstrates that the DNP-MRI technique has the potential to be a powerful diagnostic method with which to evaluate GBM tumor metabolism before and after radiation in the clinical setting.
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Affiliation(s)
- Tatsuya Kawai
- Radiation Oncology BranchNational Cancer InstituteBethesdaMarylandUSA
- Department of RadiologyNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | | | - Jennifer A. Lee
- Radiation Oncology BranchNational Cancer InstituteBethesdaMarylandUSA
| | - Tamalee Kramp
- Radiation Oncology BranchNational Cancer InstituteBethesdaMarylandUSA
| | - Shun Kishimoto
- Radiation Biology BranchNational Cancer InstituteBethesdaMarylandUSA
| | - Murali C. Krishna
- Radiation Biology BranchNational Cancer InstituteBethesdaMarylandUSA
| | - Philip Tofilon
- Radiation Oncology BranchNational Cancer InstituteBethesdaMarylandUSA
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15
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Chen J, Patel TR, Pinho MC, Choi C, Harrison CE, Baxter JD, Derner K, Pena S, Liticker J, Raza J, Hall RG, Reed GD, Cai C, Hatanpaa KJ, Bankson JA, Bachoo RM, Malloy CR, Mickey BE, Park JM. Preoperative imaging of glioblastoma patients using hyperpolarized 13C pyruvate: Potential role in clinical decision making. Neurooncol Adv 2021; 3:vdab092. [PMID: 34355174 PMCID: PMC8331053 DOI: 10.1093/noajnl/vdab092] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Background Glioblastoma remains incurable despite treatment with surgery, radiation therapy, and cytotoxic chemotherapy, prompting the search for a metabolic pathway unique to glioblastoma cells.13C MR spectroscopic imaging with hyperpolarized pyruvate can demonstrate alterations in pyruvate metabolism in these tumors. Methods Three patients with diagnostic MRI suggestive of a glioblastoma were scanned at 3 T 1–2 days prior to tumor resection using a 13C/1H dual-frequency RF coil and a 13C/1H-integrated MR protocol, which consists of a series of 1H MR sequences (T2 FLAIR, arterial spin labeling and contrast-enhanced [CE] T1) and 13C spectroscopic imaging with hyperpolarized [1-13C]pyruvate. Dynamic spiral chemical shift imaging was used for 13C data acquisition. Surgical navigation was used to correlate the locations of tissue samples submitted for histology with the changes seen on the diagnostic MR scans and the 13C spectroscopic images. Results Each tumor was histologically confirmed to be a WHO grade IV glioblastoma with isocitrate dehydrogenase wild type. Total hyperpolarized 13C signals detected near the tumor mass reflected altered tissue perfusion near the tumor. For each tumor, a hyperintense [1-13C]lactate signal was detected both within CE and T2-FLAIR regions on the 1H diagnostic images (P = .008). [13C]bicarbonate signal was maintained or decreased in the lesion but the observation was not significant (P = .3). Conclusions Prior to surgical resection, 13C MR spectroscopic imaging with hyperpolarized pyruvate reveals increased lactate production in regions of histologically confirmed glioblastoma.
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Affiliation(s)
- Jun Chen
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Toral R Patel
- Department of Neurosurgery, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Marco C Pinho
- Department of Radiology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Changho Choi
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA.,Department of Radiology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA.,Department of Pathology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Crystal E Harrison
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Jeannie D Baxter
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kelley Derner
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Salvador Pena
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Jeff Liticker
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Jaffar Raza
- Department of Pharmacy Practice, Texas Tech University Health Sciences Center, Dallas, Texas, USA
| | - Ronald G Hall
- Department of Pharmacy Practice, Texas Tech University Health Sciences Center, Dallas, Texas, USA
| | | | - Chunyu Cai
- Department of Pathology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kimmo J Hatanpaa
- Department of Pathology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - James A Bankson
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Robert M Bachoo
- Department of Neurosurgery and Neurotherapeutics, The University of Texas Southwestern Medical Center, Dallas, Texas, USA.,Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Craig R Malloy
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA.,Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Bruce E Mickey
- Department of Neurosurgery, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Jae Mo Park
- Advanced Imaging Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA.,Department of Radiology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA.,Department of Electrical and Computer Engineering, The University of Texas at Dallas, Richardson, Texas, USA
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16
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Goodwin JS, Tsai LL, Mwin D, Coutinho de Souza P, Dialani S, Moon JT, Zhang Z, Grant AK, Ahmed M. In vivo detection of distal tumor glycolytic flux stimulated by hepatic ablation in a breast cancer model using hyperpolarized 13C MRI. Magn Reson Imaging 2021; 80:90-97. [PMID: 33901585 DOI: 10.1016/j.mri.2021.04.004] [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: 12/04/2020] [Revised: 04/11/2021] [Accepted: 04/21/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE Hepatic thermal ablation therapy can result in c-Met-mediated off-target stimulation of distal tumor growth. The purpose of this study was to determine if a similar effect on tumor metabolism could be detected in vivo with hyperpolarized 13C MRI. MATERIALS AND METHODS In this prospective study, female Fisher rats (n = 28, 120-150 g) were implanted with R3230 rat breast adenocarcinoma cells and assigned to either: sham surgery, hepatic radiofrequency ablation (RFA), or hepatic RFA + adjuvant c-Met inhibition with PHA-665752 (RFA + PHA). PHA-665752 was administered at 0.83 mg/kg at 24 h post-RFA. Tumor growth was measured daily. MRI was performed 24 h before and 72 h after treatment on 14 rats, and the conversion of 13C-pyruvate into 13C-lactate within each tumor was quantified as lactate:pyruvate ratio (LPR). Comparisons of tumor growth and LPR were performed using paired and unpaired t-tests. RESULTS Hepatic RFA alone resulted in increased growth of the distant tumor compared to sham treatment (0.50 ± 0.13 mm/day versus 0.11 ± 0.07 mm/day; p < 0.001), whereas RFA + PHA (0.06 ± 0.13 mm/day) resulted in no significant change from sham treatment (p = 0.28). A significant increase in LPR was seen following hepatic RFA (+0.016 ± 0.010, p = 0.02), while LPR was unchanged for sham treatment (-0.048 ± 0.051, p = 0.10) or RFA + PHA (0.003 ± 0.041, p = 0.90). CONCLUSION In vivo hyperpolarized 13C MRI can detect hepatic RFA-induced increase in lactate flux within a distant R3230 tumor, which correlates with increased tumor growth. Adjuvant inhibition of c-Met suppresses these off-target effects, supporting a role for the HGF/c-Met signaling axis in these tumorigenic responses.
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Affiliation(s)
- J Scott Goodwin
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA; UT Austin Dell Medical School Transitional Program, 1400 IH-35, CEC 2.404, Austin, TX 78701, USA
| | - Leo L Tsai
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA.
| | - David Mwin
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA
| | - Patricia Coutinho de Souza
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA; Genmab, 777 Scudders Mill Rd, Plainsboro, NJ 08536, USA
| | - Svayam Dialani
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA; Northwestern University, 2145 Ridge Ave, Evanston, IL 60201, USA
| | - John T Moon
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA; Division of Interventional Radiology, Emory University School of Medicine, Emory University Hospital, 1364 Clifton Road NE, Atlanta, GA 30322, USA
| | - Zheng Zhang
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA
| | - Aaron K Grant
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA
| | - Muneeb Ahmed
- Beth Israel Deaconess Medical Center, Department of Radiology, 330 Brookline Avenue, Boston, MA 02215, USA
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17
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Mishkovsky M, Gusyatiner O, Lanz B, Cudalbu C, Vassallo I, Hamou MF, Bloch J, Comment A, Gruetter R, Hegi ME. Hyperpolarized 13C-glucose magnetic resonance highlights reduced aerobic glycolysis in vivo in infiltrative glioblastoma. Sci Rep 2021; 11:5771. [PMID: 33707647 PMCID: PMC7952603 DOI: 10.1038/s41598-021-85339-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 02/28/2021] [Indexed: 12/15/2022] Open
Abstract
Glioblastoma (GBM) is the most aggressive brain tumor type in adults. GBM is heterogeneous, with a compact core lesion surrounded by an invasive tumor front. This front is highly relevant for tumor recurrence but is generally non-detectable using standard imaging techniques. Recent studies demonstrated distinct metabolic profiles of the invasive phenotype in GBM. Magnetic resonance (MR) of hyperpolarized 13C-labeled probes is a rapidly advancing field that provides real-time metabolic information. Here, we applied hyperpolarized 13C-glucose MR to mouse GBM models. Compared to controls, the amount of lactate produced from hyperpolarized glucose was higher in the compact GBM model, consistent with the accepted "Warburg effect". However, the opposite response was observed in models reflecting the invasive zone, with less lactate produced than in controls, implying a reduction in aerobic glycolysis. These striking differences could be used to map the metabolic heterogeneity in GBM and to visualize the infiltrative front of GBM.
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Affiliation(s)
- Mor Mishkovsky
- Laboratory of Functional and Metabolic Imaging, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
| | - Olga Gusyatiner
- Neuroscience Research Center, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
- Service of Neurosurgery Lausanne, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Bernard Lanz
- Laboratory of Functional and Metabolic Imaging, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Cristina Cudalbu
- Center for Biomedical Imaging (CIBM), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Irene Vassallo
- Neuroscience Research Center, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
- Service of Neurosurgery Lausanne, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Marie-France Hamou
- Neuroscience Research Center, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
- Service of Neurosurgery Lausanne, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Jocelyne Bloch
- Neuroscience Research Center, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
- Service of Neurosurgery Lausanne, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Arnaud Comment
- General Electric Healthcare, Chalfont St Giles, Buckinghamshire, HP8 4SP, UK
| | - Rolf Gruetter
- Laboratory of Functional and Metabolic Imaging, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Center for Biomedical Imaging (CIBM), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Department of Radiology, University of Geneva (UNIGE), Geneva, Switzerland
- Department of Radiology, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Monika E Hegi
- Neuroscience Research Center, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland.
- Service of Neurosurgery Lausanne, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland.
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18
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Datta K, Spielman D. MRI of [2- 13 C]Lactate without J-coupling artifacts. Magn Reson Med 2020; 85:1522-1539. [PMID: 33058240 DOI: 10.1002/mrm.28532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/19/2020] [Accepted: 09/03/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE Imaging of [2-13 C]lactate, a metabolic product of [2-13 C]pyruvate, is over considerable interest in hyperpolarized 13 C studies. However, artifact-free imaging of a J-coupled nuclear spin species can be challenging due to the peak-splitting induced by the spin-spin interactions. In this work, two new techniques resolving these J-modulated artifacts are presented. THEORY AND METHODS The Product Operator Formalism (POF) of density matrix theory is used to both numerically and analytically derive the coherences arising during radiofrequency excitation and readout of a J-coupled spin system. A combination of computer simulations and experiments with [2-13 C]lactate and 13 C-formate phantoms are then used to verify the performance of two imaging methods. In the first approach, a quadrature imaging technique is used to eliminate scalar coupling artifacts via the combination of in-phase and quadrature images acquired at echo times differing by 1/2J with an echoplanar readout. The second approach employs a highly narrowband RF excitation pulse to image a single peak from the J-coupled doublet. RESULTS Simulations using a numerical Shepp-Logan phantom, in vitro experiments using thermally polarized [2-13 C]lactate, thermally and hyperpolarized 13 C-formate phantoms, and in vivo imaging of [2-13 C]lactate produced in rat brain following injection of hyperpolarized [2-13 C]pyruvate show artifact-free images and demonstrate potential utility of these methods. CONCLUSION The quadrature imaging and the narrowband excitation techniques resolve the J-coupling induced ghosting and blurring artifacts present with conventional MRI of J-coupled signals such as [2-13 C]lactate.
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Affiliation(s)
- Keshav Datta
- Department of Radiology, Stanford University, Stanford, California, USA
| | - Daniel Spielman
- Department of Radiology, Stanford University, Stanford, California, USA
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19
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Lim H, Martínez-Santiesteban F, Jensen MD, Chen A, Wong E, Scholl TJ. Monitoring Early Changes in Tumor Metabolism in Response to Therapy Using Hyperpolarized 13C MRSI in a Preclinical Model of Glioma. ACTA ACUST UNITED AC 2020; 6:290-300. [PMID: 32879899 PMCID: PMC7442089 DOI: 10.18383/j.tom.2020.00024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This study shows the use of hyperpolarized 13C magnetic resonance spectroscopic imaging (MRSI) to assess therapeutic efficacy in a preclinical tumor model. 13C-labeled pyruvate was used to monitor early changes in tumor metabolism based on the Warburg effect. High-grade malignant tumors exhibit increased glycolytic activity and lactate production to promote proliferation. A rodent glioma model was used to explore altered lactate production after therapy as an early imaging biomarker for therapeutic response. Rodents were surgically implanted with C6 glioma cells and separated into 4 groups, namely, no therapy, radiotherapy, chemotherapy and combined therapy. Animals were imaged serially at 6 different time points with magnetic resonance imaging at 3 T using hyperpolarized [1-13C]pyruvate MRSI and conventional 1H imaging. Using hyperpolarized [1-13C]pyruvate MRSI, alterations in tumor metabolism were detected as changes in the conversion of lactate to pyruvate (measured as Lac/Pyr ratio) and compared with the conventional method of detecting therapeutic response using the Response Evaluation Criteria in Solid Tumors. Moreover, each therapy group expressed different characteristic changes in tumor metabolism. The group that received no therapy showed a gradual increase of Lac/Pyr ratio within the tumor. The radiotherapy group showed large variations in tumor Lac/Pyr ratio. The chemo- and combined-therapy groups showed a statistically significant reduction in tumor Lac/Pyr ratio; however, only combined therapy was capable of suppressing tumor growth, which resulted in low endpoint mortality rate. Hyperpolarized 13C MRSI detected a prompt reduction in Lac/Pyr ratio as early as 2 days post combined chemo- and radiotherapies.
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Affiliation(s)
- Heeseung Lim
- Department of Medical Biophysics, Western University, London, ON, Canada
| | | | - Michael D Jensen
- Department of Medical Biophysics, Western University, London, ON, Canada
| | - Albert Chen
- General Electric Healthcare, Toronto, ON, Canada
| | - Eugene Wong
- Department of Medical Biophysics, Western University, London, ON, Canada.,Departments of Physics and Astronomy; Oncology; and Robarts Research Institute, Western University, London, ON, Canada, and.,Departments of Physics and Astronomy; Oncology; and Robarts Research Institute, Western University, London, ON, Canada, and
| | - Timothy J Scholl
- Department of Medical Biophysics, Western University, London, ON, Canada.,Departments of Physics and Astronomy; Oncology; and Robarts Research Institute, Western University, London, ON, Canada, and.,Ontario Institute for Cancer Research, Toronto, ON, Canada
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20
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Stender S, Zaha VG, Malloy CR, Sudderth J, DeBerardinis RJ, Park JM. Assessment of Rapid Hepatic Glycogen Synthesis in Humans Using Dynamic 13C Magnetic Resonance Spectroscopy. Hepatol Commun 2020; 4:425-433. [PMID: 32140658 PMCID: PMC7049683 DOI: 10.1002/hep4.1458] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 11/19/2019] [Indexed: 01/04/2023] Open
Abstract
Carbon-13 magnetic resonance spectroscopy (MRS) following oral intake of 13C-labeled glucose is the gold standard for imaging glycogen metabolism in humans. However, the temporal resolution of previous studies has been >13 minutes. Here, we describe a high-sensitivity 13C MRS method for imaging hepatic glycogen synthesis with a temporal resolution of 1 minute or less. Nuclear magnetic resonance spectra were acquired from the liver of 3 healthy volunteers, using a 13C clamshell radiofrequency transmit and paddle-shaped array receive coils in a 3 Tesla magnetic resonance imaging system. Following a 15-minute baseline 13C MRS scan of the liver, [1-13C]-glucose was ingested and 13C MRS data were acquired for an additional 1-3 hours. Dynamic change of the hepatic glycogen synthesis level was analyzed by reconstructing the acquired MRS data with temporal resolutions of 30 seconds to 15 minutes. Plasma levels of 13C-labeled glucose and lactate were measured using gas chromatography-mass spectrometry. While not detected at baseline 13C MRS, [1-13C]-labeled α-glucose and β-glucose and glycogen peaks accumulated rapidly, beginning as early as ~2 minutes after oral administration of [1-13C]-glucose. The [1-13C]-glucose signals peaked at ~5 minutes, whereas [1-13C]-glycogen peaked at ~25 minutes after [1-13C]-glucose ingestion; both signals declined toward baseline levels over the next 1-3 hours. Plasma levels of 13C-glucose and 13C-lactate rose gradually, and approximately 20% of all plasma glucose and 5% of plasma lactate were 13C-labeled by 2 hours after ingestion. Conclusion: We observed rapid accumulation of hepatic [1-13C]-glycogen following orally administered [1-13C]-glucose, using a dynamic 13C MRS method with a temporal resolution of 1 minute or less. Commercially available technology allows high temporal resolution studies of glycogen metabolism in the human liver.
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Affiliation(s)
- Stefan Stender
- Department of Molecular Genetics University of Texas Southwestern Medical Center Dallas TX.,Department of Clinical Biochemistry Rigshospitalet Copenhagen Denmark
| | - Vlad G Zaha
- Advanced Imaging Research Center University of Texas Southwestern Medical Center Dallas TX.,Department of Internal Medicine University of Texas Southwestern Medical Center Dallas TX
| | - Craig R Malloy
- Advanced Imaging Research Center University of Texas Southwestern Medical Center Dallas TX.,Department of Internal Medicine University of Texas Southwestern Medical Center Dallas TX
| | - Jessica Sudderth
- Howard Hughes Medical Institute and Children's Medical Center Research Institute University of Texas Southwestern Medical Center Dallas TX
| | - Ralph J DeBerardinis
- Howard Hughes Medical Institute and Children's Medical Center Research Institute University of Texas Southwestern Medical Center Dallas TX
| | - Jae Mo Park
- Advanced Imaging Research Center University of Texas Southwestern Medical Center Dallas TX.,Department of Radiology University of Texas Southwestern Medical Center Dallas TX.,Department of Electrical and Computer Engineering University of Texas at Dallas Richardson TX
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21
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Datta K, Lauritzen MH, Merchant M, Jang T, Liu SC, Hurd R, Recht L, Spielman DM. Reversed metabolic reprogramming as a measure of cancer treatment efficacy in rat C6 glioma model. PLoS One 2019; 14:e0225313. [PMID: 31830049 PMCID: PMC6907781 DOI: 10.1371/journal.pone.0225313] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 11/01/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Metabolism in tumor shifts from oxidative phosphorylation to inefficient glycolysis resulting in overproduction of lactate (Warburg effect), and cancers may be effectively treated if this imbalance were corrected. The aim of this longitudinal study of glioblastoma in a rat model was to determine whether the ratio of lactate (surrogate marker for glycolysis) to bicarbonate (for oxidative phosphorylation), as measured via in vivo magnetic resonance imaging of hyperpolarized 13C-labeled pyruvate accurately predicts survival. METHODS C6 Glioma implanted male Wistar rats (N = 26) were treated with an anti-vascular endothelial growth factor antibody B20.4.1.1 in a preliminary study to assess the efficacy of the drug. In a subsequent longitudinal survival study, magnetic resonance spectroscopic imaging (MRSI) was used to estimate [1-13C]Lactate and [1-13C]Bicarbonate in tumor and contralateral normal appearing brain of glioma implanted rats (N = 13) after injection of hyperpolarized [1-13C]Pyruvate at baseline and 48 hours post-treatment with B20.4.1.1. RESULTS A survival of ~25% of B20.4.1.1 treated rats was noted in the preliminary study. In the longitudinal imaging experiment, changes in 13C Lactate, 13C Bicarbonate and tumor size measured at baseline and 48 hours post-treatment did not correlate with survival. 13C Lactate to 13C Bicarbonate ratio increased in all the 6 animals that succumbed to the tumor whereas the ratio decreased in 6 of the 7 animals that survived past the 70-day observation period. CONCLUSIONS 13C Lactate to 13C Bicarbonate ratio (Lac/Bic) at 48 hours post-treatment is highly predictive of survival (p = 0.003). These results suggest a potential role for the 13C Lac/Bic ratio serving as a valuable measure of tumor metabolism and predicting therapeutic response.
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Affiliation(s)
- Keshav Datta
- Department of Electrical Engineering, Stanford University, Stanford, California, United States of America
- Department of Radiology, Stanford University, Stanford, California, United States of America
- * E-mail:
| | - Mette H. Lauritzen
- Department of Radiology, Stanford University, Stanford, California, United States of America
| | - Milton Merchant
- Department of Neurology, Stanford University, Stanford, California, United States of America
| | - Taichang Jang
- Department of Neurology, Stanford University, Stanford, California, United States of America
| | - Shie-Chau Liu
- Department of Radiology, Stanford University, Stanford, California, United States of America
| | - Ralph Hurd
- Department of Radiology, Stanford University, Stanford, California, United States of America
| | - Lawrence Recht
- Department of Neurology, Stanford University, Stanford, California, United States of America
| | - Daniel M. Spielman
- Department of Electrical Engineering, Stanford University, Stanford, California, United States of America
- Department of Radiology, Stanford University, Stanford, California, United States of America
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22
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Le Page LM, Guglielmetti C, Najac CF, Tiret B, Chaumeil MM. Hyperpolarized 13 C magnetic resonance spectroscopy detects toxin-induced neuroinflammation in mice. NMR IN BIOMEDICINE 2019; 32:e4164. [PMID: 31437326 PMCID: PMC6817388 DOI: 10.1002/nbm.4164] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 06/27/2019] [Accepted: 07/15/2019] [Indexed: 05/04/2023]
Abstract
Lipopolysaccharide (LPS) is a commonly used agent for induction of neuroinflammation in preclinical studies. Upon injection, LPS causes activation of microglia and astrocytes, whose metabolism alters to favor glycolysis. Assessing in vivo neuroinflammation and its modulation following therapy remains challenging, and new noninvasive methods allowing for longitudinal monitoring would be highly valuable. Hyperpolarized (HP) 13 C magnetic resonance spectroscopy (MRS) is a promising technique for assessing in vivo metabolism. In addition to applications in oncology, the most commonly used probe of [1-13 C] pyruvate has shown potential in assessing neuroinflammation-linked metabolism in mouse models of multiple sclerosis and traumatic brain injury. Here, we aimed to investigate LPS-induced neuroinflammatory changes using HP [1-13 C] pyruvate and HP 13 C urea. 2D chemical shift imaging following simultaneous intravenous injection of HP [1-13 C] pyruvate and HP 13 C urea was performed at baseline (day 0) and at days 3 and 7 post-intracranial injection of LPS (n = 6) or saline (n = 5). Immunofluorescence (IF) analyses were performed for Iba1 (resting and activated microglia/macrophages), GFAP (resting and reactive astrocytes) and CD68 (activated microglia/macrophages). A significant increase in HP [1-13 C] lactate production was observed at days 3 and 7 following injection, in the injected (ipsilateral) side of the LPS-treated mouse brain, but not in either the contralateral side or saline-injected animals. HP 13 C lactate/pyruvate ratio, without and with normalization to urea, was also significantly increased in the ipsilateral LPS-injected brain at 7 days compared with baseline. IF analyses showed a significant increase in CD68 and GFAP staining at 3 days, followed by increased numbers of Iba1 and GFAP positive cells at 7 days post-LPS injection. In conclusion, we can detect LPS-induced changes in the mouse brain using HP 13 C MRS, in alignment with increased numbers of microglia/macrophages and astrocytes. This study demonstrates that HP 13 C spectroscopy has substantial potential for providing noninvasive information on neuroinflammation.
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Affiliation(s)
- Lydia M Le Page
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Caroline Guglielmetti
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Chloé F Najac
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Brice Tiret
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Myriam M Chaumeil
- Department of Physical Therapy and Rehabilitation Science, University of California San Francisco, San Francisco, California
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
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23
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Michel KA, Zieliński R, Walker CM, Le Roux L, Priebe W, Bankson JA, Schellingerhout D. Hyperpolarized Pyruvate MR Spectroscopy Depicts Glycolytic Inhibition in a Mouse Model of Glioma. Radiology 2019; 293:168-173. [PMID: 31385757 DOI: 10.1148/radiol.2019182919] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BackgroundA generation of therapies targeting tumor metabolism is becoming available for treating glioma. Hyperpolarized MRI is uniquely suited to directly measure the metabolic effects of these emerging treatments.PurposeTo explore the feasibility of the use of hyperpolarized [1-carbon 13 {13C}]-pyruvate for real-time measurement of metabolism and response to treatment with a glycolytic inhibitor in an orthotopic mouse model of glioma.Materials and MethodsIn this animal study, anatomic MRI and dynamic 13C MR spectroscopy were performed at 7 T during intravenous injection of hyperpolarized [1-13C]-pyruvate on mice with orthotopic U87MG glioma and healthy control mice. Anatomic MRI and dynamic 13C MR spectroscopy were repeated after administration of the glycolytic inhibitor WP1122, a prodrug of 2-deoxy-d-glucose. All experiments were conducted in athymic nude mice between October 2016 and March 2017. Hyperpolarized lactate production was quantified as an apparent reaction rate, or kPL, and normalized lactate ratio (nLac). The Wilcoxon signed-rank test was used to assess changes in paired measures of lactate production before and after treatment.ResultsThirteen 12-16-week-old female mice and five healthy female mice underwent anatomic MRI and hyperpolarized [1-13C]-pyruvate spectroscopy. Large contrast agent-enhanced tumors were shown in mice with glioma at T2-weighted and T1-weighted postcontrast MRI by postimplantation day 40. After treatment with WP1122, a decrease in lactate was observed in mice with glioma (baseline and treatment mean kPL, 0.027 and 0.018 sec-1, respectively, P = .01; baseline and posttreatment mean nLac, 0.28 and 0.22, respectively, P = .01) whereas no significant decrease was observed in healthy control mice (baseline and posttreatment mean kPL, 0.011 and 0.017 sec-1, respectively, P = .91; baseline and posttreatment mean nLac, 0.16 and 0.21, respectively, P = .84).ConclusionHyperpolarized carbon 13 measurements of pyruvate metabolism can provide rapid feedback for monitoring treatment response in glioma.© RSNA, 2019.
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Affiliation(s)
- Keith A Michel
- From the Departments of Imaging Physics (K.A.M., C.M.W., J.A.B.), Experimental Therapeutics (R.Z., W.P.), Cancer Systems Imaging (L.L.R., D.S.), and Diagnostic Radiology (D.S.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX, 77030-4009
| | - Rafal Zieliński
- From the Departments of Imaging Physics (K.A.M., C.M.W., J.A.B.), Experimental Therapeutics (R.Z., W.P.), Cancer Systems Imaging (L.L.R., D.S.), and Diagnostic Radiology (D.S.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX, 77030-4009
| | - Christopher M Walker
- From the Departments of Imaging Physics (K.A.M., C.M.W., J.A.B.), Experimental Therapeutics (R.Z., W.P.), Cancer Systems Imaging (L.L.R., D.S.), and Diagnostic Radiology (D.S.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX, 77030-4009
| | - Lucia Le Roux
- From the Departments of Imaging Physics (K.A.M., C.M.W., J.A.B.), Experimental Therapeutics (R.Z., W.P.), Cancer Systems Imaging (L.L.R., D.S.), and Diagnostic Radiology (D.S.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX, 77030-4009
| | - Waldemar Priebe
- From the Departments of Imaging Physics (K.A.M., C.M.W., J.A.B.), Experimental Therapeutics (R.Z., W.P.), Cancer Systems Imaging (L.L.R., D.S.), and Diagnostic Radiology (D.S.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX, 77030-4009
| | - James A Bankson
- From the Departments of Imaging Physics (K.A.M., C.M.W., J.A.B.), Experimental Therapeutics (R.Z., W.P.), Cancer Systems Imaging (L.L.R., D.S.), and Diagnostic Radiology (D.S.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX, 77030-4009
| | - Dawid Schellingerhout
- From the Departments of Imaging Physics (K.A.M., C.M.W., J.A.B.), Experimental Therapeutics (R.Z., W.P.), Cancer Systems Imaging (L.L.R., D.S.), and Diagnostic Radiology (D.S.), The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX, 77030-4009
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24
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The Continuing Evolution of Molecular Functional Imaging in Clinical Oncology: The Road to Precision Medicine and Radiogenomics (Part II). Mol Diagn Ther 2019; 23:27-51. [PMID: 30387041 DOI: 10.1007/s40291-018-0367-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The present era of precision medicine sees "cancer" as a consequence of molecular derangements occurring at the commencement of the disease process, with morphological changes happening much later in the process of tumourigenesis. Conventional imaging techniques, such as computed tomography (CT), ultrasound (US) and magnetic resonance imaging (MRI) play an integral role in the detection of disease at the macroscopic level. However, molecular functional imaging (MFI) techniques entail the visualisation and quantification of biochemical and physiological processes occurring during tumourigenesis. MFI has the potential to play a key role in heralding the transition from the concept of "one-size-fits-all" treatment to "precision medicine". Integration of MFI with other fields of tumour biology such as genomics has spawned a novel concept called "radiogenomics", which could serve as an indispensable tool in translational cancer research. With recent advances in medical image processing, such as texture analysis, deep learning and artificial intelligence, the future seems promising; however, their clinical utility remains unproven at present. Despite the emergence of novel imaging biomarkers, the majority of these require validation before clinical translation is possible. In this two part review, we discuss the systematic collaboration across structural, anatomical and molecular imaging techniques that constitute MFI. Part I reviews positron emission tomography, radiogenomics, AI, and optical imaging, while part II reviews MRI, CT and ultrasound, their current status, and recent advances in the field of precision oncology.
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25
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Dutta P, Salzillo TC, Pudakalakatti S, Gammon ST, Kaipparettu BA, McAllister F, Wagner S, Frigo DE, Logothetis CJ, Zacharias NM, Bhattacharya PK. Assessing Therapeutic Efficacy in Real-time by Hyperpolarized Magnetic Resonance Metabolic Imaging. Cells 2019; 8:E340. [PMID: 30978984 PMCID: PMC6523855 DOI: 10.3390/cells8040340] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 03/30/2019] [Accepted: 04/06/2019] [Indexed: 01/22/2023] Open
Abstract
Precisely measuring tumor-associated alterations in metabolism clinically will enable the efficient assessment of therapeutic responses. Advances in imaging technologies can exploit the differences in cancer-associated cell metabolism as compared to normal tissue metabolism, linking changes in target metabolism to therapeutic efficacy. Metabolic imaging by Positron Emission Tomography (PET) employing 2-fluoro-deoxy-glucose ([18F]FDG) has been used as a routine diagnostic tool in the clinic. Recently developed hyperpolarized Magnetic Resonance (HP-MR), which radically increases the sensitivity of conventional MRI, has created a renewed interest in functional and metabolic imaging. The successful translation of this technique to the clinic was achieved recently with measurements of 13C-pyruvate metabolism. Here, we review the potential clinical roles for metabolic imaging with hyperpolarized MRI as applied in assessing therapeutic intervention in different cancer systems.
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Affiliation(s)
- Prasanta Dutta
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Travis C Salzillo
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
- The University of Texas MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences, Houston, TX 77030, USA.
| | - Shivanand Pudakalakatti
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Seth T Gammon
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Benny A Kaipparettu
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA.
| | - Florencia McAllister
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Shawn Wagner
- Biomedical Imaging Research Institute Cedars Sinai Medical Center, Los Angeles, CA 90048, USA.
| | - Daniel E Frigo
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Christopher J Logothetis
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
- Department of Clinical Therapeutics, University of Athens, 11527 Athens, Greece.
| | - Niki M Zacharias
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
- Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Pratip K Bhattacharya
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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26
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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: 33] [Impact Index Per Article: 6.6] [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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27
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Wang ZJ, Ohliger MA, Larson PEZ, Gordon JW, Bok RA, Slater J, Villanueva-Meyer JE, Hess CP, Kurhanewicz J, Vigneron DB. Hyperpolarized 13C MRI: State of the Art and Future Directions. Radiology 2019; 291:273-284. [PMID: 30835184 DOI: 10.1148/radiol.2019182391] [Citation(s) in RCA: 179] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hyperpolarized (HP) carbon 13 (13C) MRI is an emerging molecular imaging method that allows rapid, noninvasive, and pathway-specific investigation of dynamic metabolic and physiologic processes that were previously inaccessible to imaging. This technique has enabled real-time in vivo investigations of metabolism that are central to a variety of diseases, including cancer, cardiovascular disease, and metabolic diseases of the liver and kidney. This review provides an overview of the methods of hyperpolarization and 13C probes investigated to date in preclinical models of disease. The article then discusses the progress that has been made in translating this technology for clinical investigation. In particular, the potential roles and emerging clinical applications of HP [1-13C]pyruvate MRI will be highlighted. The future directions to enable the adoption of this technology to advance the basic understanding of metabolism, to improve disease diagnosis, and to accelerate treatment assessment are also detailed.
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Affiliation(s)
- Zhen J Wang
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - Michael A Ohliger
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - Peder E Z Larson
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - Jeremy W Gordon
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - Robert A Bok
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - James Slater
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - Javier E Villanueva-Meyer
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - Christopher P Hess
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - John Kurhanewicz
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
| | - Daniel B Vigneron
- From the Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143
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28
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Radoul M, Najac C, Viswanath P, Mukherjee J, Kelly M, Gillespie AM, Chaumeil MM, Eriksson P, Santos RD, Pieper RO, Ronen SM. HDAC inhibition in glioblastoma monitored by hyperpolarized 13 C MRSI. NMR IN BIOMEDICINE 2019; 32:e4044. [PMID: 30561869 PMCID: PMC6545173 DOI: 10.1002/nbm.4044] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 10/11/2018] [Accepted: 10/31/2018] [Indexed: 05/20/2023]
Abstract
Vorinostat is a histone deacetylase (HDAC) inhibitor that inhibits cell proliferation and induces apoptosis in solid tumors, and is in clinical trials for the treatment of glioblastoma (GBM). The goal of this study was to assess whether hyperpolarized 13 C MRS and magnetic resonance spectroscopic imaging (MRSI) can detect HDAC inhibition in GBM models. First, we confirmed HDAC inhibition in U87 GBM cells and evaluated real-time dynamic metabolic changes using a bioreactor system with live vorinostat-treated or control cells. We found a significant 40% decrease in the 13 C MRS-detectable ratio of hyperpolarized [1-13 C]lactate to hyperpolarized [1-13 C]pyruvate, [1-13 C]Lac/Pyr, and a 37% decrease in the pseudo-rate constant, kPL , for hyperpolarized [1-13 C]lactate production, in vorinostat-treated cells compared with controls. To understand the underlying mechanism for this finding, we assessed the expression and activity of lactate dehydrogenase (LDH) (which catalyzes the pyruvate to lactate conversion), its associated cofactor nicotinamide adenine dinucleotide, the expression of monocarboxylate transporters (MCTs) MCT1 and MCT4 (which shuttle pyruvate and lactate in and out of the cell) and intracellular lactate levels. We found that the most likely explanation for our finding that hyperpolarized lactate is reduced in treated cells is a 30% reduction in intracellular lactate levels that occurs as a result of increased expression of both MCT1 and MCT4 in vorinostat-treated cells. In vivo 13 C MRSI studies of orthotopic tumors in mice also showed a significant 52% decrease in hyperpolarized [1-13 C]Lac/Pyr when comparing vorinostat-treated U87 GBM tumors with controls, and, as in the cell studies, this metabolic finding was associated with increased MCT1 and MCT4 expression in HDAC-inhibited tumors. Thus, the 13 C MRSI-detectable decrease in hyperpolarized [1-13 C]lactate production could serve as a biomarker of response to HDAC inhibitors.
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Affiliation(s)
- Marina Radoul
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
| | - Chloé Najac
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
| | - Pavithra Viswanath
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
| | - Joydeep Mukherjee
- Department of Neurological Surgery, Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94158, USA
| | - Mark Kelly
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, California 94158, USA
| | - Anne Marie Gillespie
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
| | - Myriam M. Chaumeil
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
- Department of Physical Therapy and Rehabilitation Science and Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
| | - Pia Eriksson
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
| | - Romelyn Delos Santos
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
| | - Russell O. Pieper
- Department of Neurological Surgery, Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94158, USA
| | - Sabrina M. Ronen
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
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29
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Kurhanewicz J, Vigneron DB, Ardenkjaer-Larsen JH, Bankson JA, Brindle K, Cunningham CH, Gallagher FA, Keshari KR, Kjaer A, Laustsen C, Mankoff DA, Merritt ME, Nelson SJ, Pauly JM, Lee P, Ronen S, Tyler DJ, Rajan SS, Spielman DM, Wald L, Zhang X, Malloy CR, Rizi R. Hyperpolarized 13C MRI: Path to Clinical Translation in Oncology. Neoplasia 2019; 21:1-16. [PMID: 30472500 PMCID: PMC6260457 DOI: 10.1016/j.neo.2018.09.006] [Citation(s) in RCA: 280] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 09/27/2018] [Accepted: 09/27/2018] [Indexed: 12/22/2022]
Abstract
This white paper discusses prospects for advancing hyperpolarization technology to better understand cancer metabolism, identify current obstacles to HP (hyperpolarized) 13C magnetic resonance imaging's (MRI's) widespread clinical use, and provide recommendations for overcoming them. Since the publication of the first NIH white paper on hyperpolarized 13C MRI in 2011, preclinical studies involving [1-13C]pyruvate as well a number of other 13C labeled metabolic substrates have demonstrated this technology's capacity to provide unique metabolic information. A dose-ranging study of HP [1-13C]pyruvate in patients with prostate cancer established safety and feasibility of this technique. Additional studies are ongoing in prostate, brain, breast, liver, cervical, and ovarian cancer. Technology for generating and delivering hyperpolarized agents has evolved, and new MR data acquisition sequences and improved MRI hardware have been developed. It will be important to continue investigation and development of existing and new probes in animal models. Improved polarization technology, efficient radiofrequency coils, and reliable pulse sequences are all important objectives to enable exploration of the technology in healthy control subjects and patient populations. It will be critical to determine how HP 13C MRI might fill existing needs in current clinical research and practice, and complement existing metabolic imaging modalities. Financial sponsorship and integration of academia, industry, and government efforts will be important factors in translating the technology for clinical research in oncology. This white paper is intended to provide recommendations with this goal in mind.
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Affiliation(s)
- John Kurhanewicz
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA.
| | - Daniel B Vigneron
- Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, CA, USA
| | | | - James A Bankson
- Department of Imaging Physics, MD Anderson Medical Center, Houston, TX, USA
| | - Kevin Brindle
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | | | | | - Kayvan R Keshari
- Department of Radiology, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Andreas Kjaer
- Department of Clinical Physiology, Nuclear Medicine & PET and Cluster for Molecular Imaging, Rigshospitalet and University of Copenhagen, Denmark
| | | | - David A Mankoff
- Department of Radiology, University of Pennsylvania, PA, USA
| | - Matthew E Merritt
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL, USA
| | - Sarah J Nelson
- Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, CA, USA
| | - John M Pauly
- Department of Electric Engineering, Stanford University, USA
| | - Philips Lee
- Functional Metabolism Group, Singapore Biomedical Consortium, Agency for Science, Technology and Research, Singapore
| | - Sabrina Ronen
- Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, CA, USA
| | - Damian J Tyler
- Department of Biomedical Science, University of Oxford, Oxford, UK
| | - Sunder S Rajan
- Center for Devices and Radiological Health (CDRH), FDA, White Oak, MD, USA
| | - Daniel M Spielman
- Departments of Radiology and Electric Engineering, Stanford University, USA
| | - Lawrence Wald
- Department of Radiology, Harvard Medical School, Boston, MA, USA
| | - Xiaoliang Zhang
- Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, CA, USA
| | - Craig R Malloy
- Advanced Imaging Research Center, UT Southwestern Medical Center, Dallas, TX, USA
| | - Rahim Rizi
- Department of Radiology, University of Pennsylvania, PA, USA
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30
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Dong Y, Eskandari R, Ray C, Granlund KL, Santos-Cunha LD, Miloushev VZ, Tee SS, Jeong S, Aras O, Chen YB, Cheng EH, Hsieh JJ, Keshari KR. Hyperpolarized MRI Visualizes Warburg Effects and Predicts Treatment Response to mTOR Inhibitors in Patient-Derived ccRCC Xenograft Models. Cancer Res 2018; 79:242-250. [PMID: 30459151 DOI: 10.1158/0008-5472.can-18-2231] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 09/20/2018] [Accepted: 11/05/2018] [Indexed: 11/16/2022]
Abstract
The ever-changing tumor microenvironment constantly challenges individual cancer cells to balance supply and demand, presenting tumor vulnerabilities and therapeutic opportunities. Everolimus and temsirolimus are inhibitors of mTOR (mTORi) approved for treating metastatic renal cell carcinoma (mRCC). However, treatment outcome varies greatly among patients. Accordingly, administration of mTORi in mRCC is diminishing, which could potentially result in missing timely delivery of effective treatment for select patients. Here, we implemented a clinically applicable, integrated platform encompassing a single dose of [1-13C] pyruvate to visualize the in vivo effect of mTORi on the conversion of pyruvate to lactate using hyperpolarized MRI. A striking difference that predicts treatment benefit was demonstrated using two preclinical models derived from patients with clear cell RCC (ccRCC) who exhibited primary resistance to VEGFRi and quickly succumbed to their diseases within 6 months after the diagnosis of metastasis without receiving mTORi. Our findings suggest that hyperpolarized MRI could be further developed to personalize kidney cancer treatment. SIGNIFICANCE: These findings demonstrate hyperpolarized [1-13C]pyruvate MRI as a tool for accurately assessing the clinical success of mTOR inhibition in patients with ccRCC.
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Affiliation(s)
- Yiyu Dong
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Roozbeh Eskandari
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Chelsea Ray
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kristin L Granlund
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Lidia Dos Santos-Cunha
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Vesselin Z Miloushev
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sui Seng Tee
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sangmoo Jeong
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Omer Aras
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ying-Bei Chen
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Emily H Cheng
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - James J Hsieh
- Molecular Oncology, Department of Medicine, Siteman Cancer Center, Washington University, St. Louis, Missouri.
| | - Kayvan R Keshari
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York.
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
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31
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Al-Saffar NMS, Troy H, Wong Te Fong AC, Paravati R, Jackson LE, Gowan S, Boult JKR, Robinson SP, Eccles SA, Yap TA, Leach MO, Chung YL. Metabolic biomarkers of response to the AKT inhibitor MK-2206 in pre-clinical models of human colorectal and prostate carcinoma. Br J Cancer 2018; 119:1118-1128. [PMID: 30377337 PMCID: PMC6219501 DOI: 10.1038/s41416-018-0242-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 07/20/2018] [Accepted: 08/01/2018] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND AKT is commonly overexpressed in tumours and plays an important role in the metabolic reprogramming of cancer. We have used magnetic resonance spectroscopy (MRS) to assess whether inhibition of AKT signalling would result in metabolic changes that could potentially be used as biomarkers to monitor response to AKT inhibition. METHODS Cellular and metabolic effects of the allosteric AKT inhibitor MK-2206 were investigated in HT29 colon and PC3 prostate cancer cells and xenografts using flow cytometry, immunoblotting, immunohistology and MRS. RESULTS In vitro treatment with MK-2206 inhibited AKT signalling and resulted in time-dependent alterations in glucose, glutamine and phospholipid metabolism. In vivo, MK-2206 resulted in inhibition of AKT signalling and tumour growth compared with vehicle-treated controls. In vivo MRS analysis of HT29 subcutaneous xenografts showed similar metabolic changes to those seen in vitro including decreases in the tCho/water ratio, tumour bioenergetic metabolites and changes in glutamine and glutathione metabolism. Similar phosphocholine changes compared to in vitro were confirmed in the clinically relevant orthotopic PC3 model. CONCLUSION This MRS study suggests that choline metabolites detected in response to AKT inhibition are time and microenvironment-dependent, and may have potential as non-invasive biomarkers for monitoring response to AKT inhibitors in selected cancer types.
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Affiliation(s)
- Nada M S Al-Saffar
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom.
| | - Helen Troy
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom
- Abbott Ireland Diagnostics Division, Pregnancy and Fertility Team, Lisnamuck, Longford, Ireland
| | - Anne-Christine Wong Te Fong
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom
| | - Roberta Paravati
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom
| | - L Elizabeth Jackson
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom
| | - Sharon Gowan
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, London, SW7 3RP, United Kingdom
| | - Jessica K R Boult
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom
| | - Simon P Robinson
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom
| | - Suzanne A Eccles
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, London, SW7 3RP, United Kingdom
| | - Timothy A Yap
- Drug Development Unit, The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom
- Division of Clinical Studies, The Institute of Cancer Research, London, SW7 3RP, United Kingdom
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Martin O Leach
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom.
| | - Yuen-Li Chung
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, SW7 3RP, United Kingdom.
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32
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Le TNT, Lim H, Hamilton AM, Parkins KM, Chen Y, Scholl TJ, Ronald JA. Characterization of an Orthotopic Rat Model of Glioblastoma Using Multiparametric Magnetic Resonance Imaging and Bioluminescence Imaging. ACTA ACUST UNITED AC 2018; 4:55-65. [PMID: 30206545 PMCID: PMC6127346 DOI: 10.18383/j.tom.2018.00012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Glioblastoma multiforme (GBM) is the most common primary brain tumor, with most patients dying within 15–18 months of diagnosis despite aggressive therapy. Preclinical GBM models are valuable for exploring GBM progression and for evaluating new therapeutics or imaging approaches. The rat C6 glioma model shares similarities with human GBM, and application of noninvasive imaging enables better study of disease progression. Here, multiparametric magnetic resonance imaging (mpMRI) and bioluminescence imaging (BLI) were applied to characterize longitudinal development of orthotopic luciferase-expressing C6 tumors. Across all rats (n = 11), a large variability was seen for BLI signal, a relative measure of C6 cell viability, but in most individuals, BLI signal peaked at day 11 and decreased thereafter. T2 and contrast-enhanced T1 tumor volumes significantly increased over time (P < .05), and volume measures did not correlate with BLI signal. After day 11, tumor regions of noncontrast enhancement appeared in postcontrast T1-weighted magnetic resonance imaging, and had significantly higher apparent diffusion coefficient values compared with contrast-enhanced regions (P < .05). This suggests formation of ill-perfused, necrotic regions beyond day 11, which were apparent at end-point–matched tissue sections. Our study represents the first combined use of BLI and mpMRI to characterize the progression of disease in the orthotopic C6 rat model, and it highlights the variability in tumor growth, the complementary information from BLI and mpMRI, and the value of multimodality imaging to better characterize tumor development. Future application of these imaging tools will be useful for evaluation of treatment response, and should be pertinent for other preclinical models.
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Affiliation(s)
- Trung N T Le
- Department of Medical Biophysics, Western University, London, ON, Canada.,Robarts Research Institute, Western University, London, ON, Canada
| | - Heeseung Lim
- Department of Medical Biophysics, Western University, London, ON, Canada.,Robarts Research Institute, Western University, London, ON, Canada
| | | | - Katie M Parkins
- Department of Medical Biophysics, Western University, London, ON, Canada.,Robarts Research Institute, Western University, London, ON, Canada
| | - Yuanxin Chen
- Robarts Research Institute, Western University, London, ON, Canada
| | - Timothy J Scholl
- Department of Medical Biophysics, Western University, London, ON, Canada.,Robarts Research Institute, Western University, London, ON, Canada.,Ontario Institute for Cancer Research, Toronto, ON, Canada; and
| | - John A Ronald
- Department of Medical Biophysics, Western University, London, ON, Canada.,Robarts Research Institute, Western University, London, ON, Canada.,Lawson Health Research Institute, London, ON, Canada
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33
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Miloushev VZ, Granlund KL, Boltyanskiy R, Lyashchenko SK, DeAngelis LM, Mellinghoff IK, Brennan CW, Tabar V, Yang TJ, Holodny AI, Sosa RE, Guo YW, Chen AP, Tropp J, Robb F, Keshari KR. Metabolic Imaging of the Human Brain with Hyperpolarized 13C Pyruvate Demonstrates 13C Lactate Production in Brain Tumor Patients. Cancer Res 2018; 78:3755-3760. [PMID: 29769199 DOI: 10.1158/0008-5472.can-18-0221] [Citation(s) in RCA: 159] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/10/2018] [Accepted: 05/10/2018] [Indexed: 12/21/2022]
Abstract
Hyperpolarized (HP) MRI using [1-13C] pyruvate is a novel method that can characterize energy metabolism in the human brain and brain tumors. Here, we present the first dynamically acquired human brain HP 13C metabolic spectra and spatial metabolite maps in cases of both untreated and recurrent tumors. In vivo production of HP lactate from HP pyruvate by tumors was indicative of altered cancer metabolism, whereas production of HP lactate in the entire brain was likely due to baseline metabolism. We correlated our results with standard clinical brain MRI, MRI DCE perfusion, and in one case FDG PET/CT. Our results suggest that HP 13C pyruvate-to-lactate conversion may be a viable metabolic biomarker for assessing tumor response.Significance: Hyperpolarized pyruvate MRI enables metabolic imaging in the brain and can be a quantitative biomarker for active tumors.Graphical Abstract: http://cancerres.aacrjournals.org/content/canres/78/14/3755/F1.large.jpg Cancer Res; 78(14); 3755-60. ©2018 AACR.
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Affiliation(s)
- Vesselin Z Miloushev
- Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kristin L Granlund
- Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Rostislav Boltyanskiy
- Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Serge K Lyashchenko
- Radiochemistry and Molecular Imaging Probes (RIMP) Core, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Lisa M DeAngelis
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
| | - Ingo K Mellinghoff
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
| | - Cameron W Brennan
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
- Department of Neurosurgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Vivian Tabar
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
- Department of Neurosurgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - T Jonathan Yang
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Andrei I Holodny
- Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
| | - Ramon E Sosa
- Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - YanWei W Guo
- Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | | | | | | | - Kayvan R Keshari
- Radiology, Memorial Sloan Kettering Cancer Center, New York, New York.
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Brain Tumor Center, Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
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34
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Chiang GC, Kovanlikaya I, Choi C, Ramakrishna R, Magge R, Shungu DC. Magnetic Resonance Spectroscopy, Positron Emission Tomography and Radiogenomics-Relevance to Glioma. Front Neurol 2018; 9:33. [PMID: 29459844 PMCID: PMC5807339 DOI: 10.3389/fneur.2018.00033] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 01/15/2018] [Indexed: 12/22/2022] Open
Abstract
Advances in metabolic imaging techniques have allowed for more precise characterization of gliomas, particularly as it relates to tumor recurrence or pseudoprogression. Furthermore, the emerging field of radiogenomics where radiographic features are systemically correlated with molecular markers has the potential to achieve the holy grail of neuro-oncologic neuro-radiology, namely molecular diagnosis without requiring tissue specimens. In this section, we will review the utility of metabolic imaging and discuss the current state of the art related to the radiogenomics of glioblastoma.
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Affiliation(s)
- Gloria C Chiang
- Department of Neuroradiology, Weill Cornell Medical College, New York, NY, United States
| | - Ilhami Kovanlikaya
- Department of Neuroradiology, Weill Cornell Medical College, New York, NY, United States
| | - Changho Choi
- Radiology, Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Rohan Ramakrishna
- Department of Neurological Surgery, Weill Cornell Medical College, New York, NY, United States
| | - Rajiv Magge
- Department of Neurology, Weill Cornell Medical College, New York, NY, United States
| | - Dikoma C Shungu
- Department of Neuroradiology, Weill Cornell Medical College, New York, NY, United States
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35
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Guo H, Zhong Y, Jackson AL, Clark LH, Kilgore J, Zhang L, Han J, Sheng X, Gilliam TP, Gehrig PA, Zhou C, Bae-Jump VL. Everolimus exhibits anti-tumorigenic activity in obesity-induced ovarian cancer. Oncotarget 2018; 7:20338-56. [PMID: 26959121 PMCID: PMC4991459 DOI: 10.18632/oncotarget.7934] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Accepted: 01/24/2016] [Indexed: 01/21/2023] Open
Abstract
Everolimus inhibits mTOR kinase activity and its downstream targets by acting on mTORC1 and has anti-tumorigenic activity in ovarian cancer. Clinical and epidemiologic data find that obesity is associated with worse outcomes in ovarian cancer. In addition, obesity leads to hyperactivation of the mTOR pathway in epithelial tissues, suggesting that mTOR inhibitors may be a logical choice for treatment in obesity-driven cancers. However, it remains unclear if obesity impacts the effect of everolimus on tumor growth in ovarian cancer. The present study was aimed at evaluating the effects of everolimus on cytotoxicity, cell metabolism, apoptosis, cell cycle, cell stress and invasion in human ovarian cancer cells. A genetically engineered mouse model of serous ovarian cancer fed a high fat diet or low fat diet allowed further investigation into the inter-relationship between everolimus and obesity in vivo. Everolimus significantly inhibited cellular proliferation, induced cell cycle G1 arrest and apoptosis, reduced invasion and caused cellular stress via inhibition of mTOR pathways in vitro. Hypoglycemic conditions enhanced the sensitivity of cells to everolimus through the disruption of glycolysis. Moreover, everolimus was found to inhibit ovarian tumor growth in both obese and lean mice. This reduction coincided with a decrease in expression of Ki-67 and phosphorylated-S6, as well as an increase in cleaved caspase 3 and phosphorylated-AKT. Metabolite profiling revealed that everolimus was able to alter tumor metabolism through different metabolic pathways in the obese and lean mice. Our findings support that everolimus may be a promising therapeutic agent for obesity-driven ovarian cancers.
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Affiliation(s)
- Hui Guo
- Department of Gynecologic Oncology, Shandong Cancer Hospital and Institute, Jinan University, Jinan, P.R. China.,Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA.,School of Medicine and Life Sciences, University of Jinan, Shandong Academy of Medical Sciences, Shandong, P.R. China
| | - Yan Zhong
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA.,Department of Gynecologic Oncology, Linyi Cancer Hospital, Linyi, P.R. China
| | - Amanda L Jackson
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA
| | - Leslie H Clark
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA
| | - Josh Kilgore
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA
| | - Lu Zhang
- Department of Gynecologic Oncology, Shandong Cancer Hospital and Institute, Jinan University, Jinan, P.R. China.,Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA.,School of Medicine and Life Sciences, University of Jinan, Shandong Academy of Medical Sciences, Shandong, P.R. China
| | - Jianjun Han
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA.,Department of Surgical Oncology, Shandong Cancer Hospital and Institute, Jinan, P.R. China
| | - Xiugui Sheng
- Department of Gynecologic Oncology, Shandong Cancer Hospital and Institute, Jinan University, Jinan, P.R. China
| | - Timothy P Gilliam
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA
| | - Paola A Gehrig
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA.,Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
| | - Chunxiao Zhou
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA.,Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
| | - Victoria L Bae-Jump
- Division of Gynecologic Oncology, University of North Carolina, Chapel Hill, NC, USA.,Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
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36
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Abstract
Molecular imaging (mainly PET and MR imaging) has played important roles in gynecologic oncology. Emerging MR-based technologies, including DWI, CEST, DCE-MR imaging, MRS, and DNP, as well as FDG-PET and many novel PET radiotracers, will continuously improve practices. In combination with radiomics analysis, a new era of decision making in personalized medicine and precisely guided radiation treatment planning or real-time surgical interventions is being entered into, which will directly impact on patient survival. Prospective trials with well-defined endpoints are encouraged to evaluate the multiple facets of these emerging imaging tools in the management of gynecologic malignancies.
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Affiliation(s)
- Gigin Lin
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, 5 Fu-Shin Street, Kueishan, Taoyuan 333, Taiwan
| | - Chyong-Huey Lai
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, 5 Fu-Shin Street, Kueishan, Taoyuan 333, Taiwan.
| | - Tzu-Chen Yen
- Department of Nuclear Medicine, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, 5 Fu-Shin Street, Kueishan, Taoyuan 333, Taiwan
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37
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Momcilovic M, Shackelford DB. Imaging Cancer Metabolism. Biomol Ther (Seoul) 2018; 26:81-92. [PMID: 29212309 PMCID: PMC5746040 DOI: 10.4062/biomolther.2017.220] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/11/2017] [Accepted: 11/13/2017] [Indexed: 12/23/2022] Open
Abstract
It is widely accepted that altered metabolism contributes to cancer growth and has been described as a hallmark of cancer. Our view and understanding of cancer metabolism has expanded at a rapid pace, however, there remains a need to study metabolic dependencies of human cancer in vivo. Recent studies have sought to utilize multi-modality imaging (MMI) techniques in order to build a more detailed and comprehensive understanding of cancer metabolism. MMI combines several in vivo techniques that can provide complementary information related to cancer metabolism. We describe several non-invasive imaging techniques that provide both anatomical and functional information related to tumor metabolism. These imaging modalities include: positron emission tomography (PET), computed tomography (CT), magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS) that uses hyperpolarized probes and optical imaging utilizing bioluminescence and quantification of light emitted. We describe how these imaging modalities can be combined with mass spectrometry and quantitative immunochemistry to obtain more complete picture of cancer metabolism. In vivo studies of tumor metabolism are emerging in the field and represent an important component to our understanding of how metabolism shapes and defines cancer initiation, progression and response to treatment. In this review we describe in vivo based studies of cancer metabolism that have taken advantage of MMI in both pre-clinical and clinical studies. MMI promises to advance our understanding of cancer metabolism in both basic research and clinical settings with the ultimate goal of improving detection, diagnosis and treatment of cancer patients.
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Affiliation(s)
- Milica Momcilovic
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - David B Shackelford
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, Los Angeles, CA, 90095, USA
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38
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Corbin Z, Spielman D, Recht L. A Metabolic Therapy for Malignant Glioma Requires a Clinical Measure. Curr Oncol Rep 2017; 19:84. [PMID: 29098465 DOI: 10.1007/s11912-017-0637-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Cancers are "reprogrammed" to use a much higher rate of glycolysis (GLY) relative to oxidative phosphorylation (OXPHOS), even in the presence of adequate amounts of oxygenation. Originally identified by Nobel Laureate Otto Warburg, this hallmark of cancer has recently been termed metabolic reprogramming and represents a way for the cancer tissue to divert carbon skeletons to produce biomass. Understanding the mechanisms that underlie this metabolic shift should lead to better strategies for cancer treatments. Malignant gliomas, cancers that are very resistant to conventional treatments, are highly glycolytic and seem particularly suited to approaches that can subvert this phenotype.
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Affiliation(s)
- Zachary Corbin
- Department of Neurology (ZC), Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Daniel Spielman
- Department of Radiology (DS), Stanford University School of Medicine, Palo Alto, CA, 94305, USA
| | - Lawrence Recht
- Department of Neurology & Neurological Sciences (LR), Stanford University School of Medicine, Palo Alto, CA, 94305, USA.
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39
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Sun CY, Walker CM, Michel KA, Venkatesan AM, Lai SY, Bankson JA. Influence of parameter accuracy on pharmacokinetic analysis of hyperpolarized pyruvate. Magn Reson Med 2017; 79:3239-3248. [PMID: 29090487 DOI: 10.1002/mrm.26992] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 09/22/2017] [Accepted: 10/10/2017] [Indexed: 01/15/2023]
Abstract
PURPOSE To explore the effects of noise and error on kinetic analyses of tumor metabolism using hyperpolarized [1-13 C] pyruvate. METHODS Numerical simulations were performed to systematically investigate the effects of noise, the number of unknowns, and error in kinetic parameter estimates on kinetic analysis of the apparent rate of chemical conversion from hyperpolarized pyruvate to lactate (kPL ). A pharmacokinetic model with two physical and two chemical pools of hyperpolarized spins was used to generate and analyze the synthetic data. RESULTS The reproducibility of kPL estimates worsened quickly when peak signal-to-noise ratio for hyperpolarized pyruvate was below approximately 20. The accuracy of kPL estimates was most sensitive to errors in high excitation angles, the vascular blood volume fraction (vb ), and the rate of pyruvate extravasation (kve ), and was least sensitive to errors in the T1 of pyruvate. When vb and/or kve were fit as additional unknowns, the accuracy of kPL estimates suffered, and when the vascular input function of pyruvate was also fit, the reproducibility of kPL estimates worsened. CONCLUSIONS The accuracy and precision of kPL estimates improve substantially for peak signal-to-noise ratio above approximately 20. Accurate estimates of perfusion parameters (combinations of vb , kve , and the pyruvate vascular input function) and transmit calibration at high excitation angles have the greatest effect on the accuracy of kinetic analyses. Magn Reson Med 79:3239-3248, 2018. © 2017 International Society for Magnetic Resonance in Medicine.
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Affiliation(s)
- Chang-Yu Sun
- Department of Imaging Physics, the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Christopher M Walker
- Department of Imaging Physics, the University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,The University of Texas MD Anderson Cancer Center, UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
| | - Keith A Michel
- Department of Imaging Physics, the University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,The University of Texas MD Anderson Cancer Center, UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
| | - Aradhana M Venkatesan
- Department of Diagnostic Radiology, the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Stephen Y Lai
- Department of Head & Neck Surgery, the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - James A Bankson
- Department of Imaging Physics, the University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,The University of Texas MD Anderson Cancer Center, UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
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40
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Cancer Metabolism and Tumor Heterogeneity: Imaging Perspectives Using MR Imaging and Spectroscopy. CONTRAST MEDIA & MOLECULAR IMAGING 2017; 2017:6053879. [PMID: 29114178 PMCID: PMC5654284 DOI: 10.1155/2017/6053879] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 07/31/2017] [Accepted: 08/27/2017] [Indexed: 12/26/2022]
Abstract
Cancer cells reprogram their metabolism to maintain viability via genetic mutations and epigenetic alterations, expressing overall dynamic heterogeneity. The complex relaxation mechanisms of nuclear spins provide unique and convertible tissue contrasts, making magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS) pertinent imaging tools in both clinics and research. In this review, we summarized MR methods that visualize tumor characteristics and its metabolic phenotypes on an anatomical, microvascular, microstructural, microenvironmental, and metabolomics scale. The review will progress from the utilities of basic spin-relaxation contrasts in cancer imaging to more advanced imaging methods that measure tumor-distinctive parameters such as perfusion, water diffusion, magnetic susceptibility, oxygenation, acidosis, redox state, and cell death. Analytical methods to assess tumor heterogeneity are also reviewed in brief. Although the clinical utility of tumor heterogeneity from imaging is debatable, the quantification of tumor heterogeneity using functional and metabolic MR images with development of robust analytical methods and improved MR methods may offer more critical roles of tumor heterogeneity data in clinics. MRI/MRS can also provide insightful information on pharmacometabolomics, biomarker discovery, disease diagnosis and prognosis, and treatment response. With these future directions in mind, we anticipate the widespread utilization of these MR-based techniques in studying in vivo cancer biology to better address significant clinical needs.
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41
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Hyperpolarized 13C MR metabolic imaging can detect neuroinflammation in vivo in a multiple sclerosis murine model. Proc Natl Acad Sci U S A 2017; 114:E6982-E6991. [PMID: 28760957 DOI: 10.1073/pnas.1613345114] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Proinflammatory mononuclear phagocytes (MPs) play a crucial role in the progression of multiple sclerosis (MS) and other neurodegenerative diseases. Despite advances in neuroimaging, there are currently limited available methods enabling noninvasive detection of MPs in vivo. Interestingly, upon activation and subsequent differentiation toward a proinflammatory phenotype MPs undergo metabolic reprogramming that results in increased glycolysis and production of lactate. Hyperpolarized (HP) 13C magnetic resonance spectroscopic imaging (MRSI) is a clinically translatable imaging method that allows noninvasive monitoring of metabolic pathways in real time. This method has proven highly useful to monitor the Warburg effect in cancer, through MR detection of increased HP [1-13C]pyruvate-to-lactate conversion. However, to date, this method has never been applied to the study of neuroinflammation. Here, we questioned the potential of 13C MRSI of HP [1-13C]pyruvate to monitor the presence of neuroinflammatory lesions in vivo in the cuprizone mouse model of MS. First, we demonstrated that 13C MRSI could detect a significant increase in HP [1-13C]pyruvate-to-lactate conversion, which was associated with a high density of proinflammatory MPs. We further demonstrated that the increase in HP [1-13C]lactate was likely mediated by pyruvate dehydrogenase kinase 1 up-regulation in activated MPs, resulting in regional pyruvate dehydrogenase inhibition. Altogether, our results demonstrate a potential for 13C MRSI of HP [1-13C]pyruvate as a neuroimaging method for assessment of inflammatory lesions. This approach could prove useful not only in MS but also in other neurological diseases presenting inflammatory components.
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42
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Abstract
Modern imaging techniques, particularly functional imaging techniques that interrogate some specific aspect of underlying tumor biology, have enormous potential in neuro-oncology for disease detection, grading, and tumor delineation to guide biopsy and resection; monitoring treatment response; and targeting radiotherapy. This brief review considers the role of magnetic resonance imaging and spectroscopy, and positron emission tomography in these areas and discusses the factors that limit translation of new techniques to the clinic, in particular, the cost and difficulties associated with validation in multicenter clinical trials.
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Affiliation(s)
- Kevin M Brindle
- Kevin M. Brindle, Richard J. Mair, and Alan J. Wright, Cancer Research UK Cambridge Institute, Cambridge; David Y. Lewis, Cancer Research UK Beatson Institute, Glasgow, United Kingdom; José L. Izquierdo-García, Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III and Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Madrid, Spain
| | - José L Izquierdo-García
- Kevin M. Brindle, Richard J. Mair, and Alan J. Wright, Cancer Research UK Cambridge Institute, Cambridge; David Y. Lewis, Cancer Research UK Beatson Institute, Glasgow, United Kingdom; José L. Izquierdo-García, Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III and Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Madrid, Spain
| | - David Y Lewis
- Kevin M. Brindle, Richard J. Mair, and Alan J. Wright, Cancer Research UK Cambridge Institute, Cambridge; David Y. Lewis, Cancer Research UK Beatson Institute, Glasgow, United Kingdom; José L. Izquierdo-García, Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III and Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Madrid, Spain
| | - Richard J Mair
- Kevin M. Brindle, Richard J. Mair, and Alan J. Wright, Cancer Research UK Cambridge Institute, Cambridge; David Y. Lewis, Cancer Research UK Beatson Institute, Glasgow, United Kingdom; José L. Izquierdo-García, Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III and Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Madrid, Spain
| | - Alan J Wright
- Kevin M. Brindle, Richard J. Mair, and Alan J. Wright, Cancer Research UK Cambridge Institute, Cambridge; David Y. Lewis, Cancer Research UK Beatson Institute, Glasgow, United Kingdom; José L. Izquierdo-García, Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III and Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Madrid, Spain
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43
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Al-Saffar NMS, Agliano A, Marshall LV, Jackson LE, Balarajah G, Sidhu J, Clarke PA, Jones C, Workman P, Pearson ADJ, Leach MO. In vitro nuclear magnetic resonance spectroscopy metabolic biomarkers for the combination of temozolomide with PI3K inhibition in paediatric glioblastoma cells. PLoS One 2017; 12:e0180263. [PMID: 28704425 PMCID: PMC5509135 DOI: 10.1371/journal.pone.0180263] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 06/13/2017] [Indexed: 11/18/2022] Open
Abstract
Recent experimental data showed that the PI3K pathway contributes to resistance to temozolomide (TMZ) in paediatric glioblastoma and that this effect is reversed by combination treatment of TMZ with a PI3K inhibitor. Our aim is to assess whether this combination results in metabolic changes that are detectable by nuclear magnetic resonance (NMR) spectroscopy, potentially providing metabolic biomarkers for PI3K inhibition and TMZ combination treatment. Using two genetically distinct paediatric glioblastoma cell lines, SF188 and KNS42, in vitro 1H-NMR analysis following treatment with the dual pan-Class I PI3K/mTOR inhibitor PI-103 resulted in a decrease in lactate and phosphocholine (PC) levels (P<0.02) relative to control. In contrast, treatment with TMZ caused an increase in glycerolphosphocholine (GPC) levels (P≤0.05). Combination of PI-103 with TMZ showed metabolic effects of both agents including a decrease in the levels of lactate and PC (P<0.02) while an increase in GPC (P<0.05). We also report a decrease in the protein expression levels of HK2, LDHA and CHKA providing likely mechanisms for the depletion of lactate and PC, respectively. Our results show that our in vitro NMR-detected changes in lactate and choline metabolites may have potential as non-invasive biomarkers for monitoring response to combination of PI3K/mTOR inhibitors with TMZ during clinical trials in children with glioblastoma, subject to further in vivo validation.
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Affiliation(s)
- Nada M. S. Al-Saffar
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Alice Agliano
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Lynley V. Marshall
- Divisions of Cancer Therapeutics and Molecular Pathology, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
- Divisions of Clinical Studies and Cancer Therapeutics, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - L. Elizabeth Jackson
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Geetha Balarajah
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Jasmin Sidhu
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Paul A. Clarke
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, London, United Kingdom
| | - Chris Jones
- Divisions of Cancer Therapeutics and Molecular Pathology, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Paul Workman
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, London, United Kingdom
| | - Andrew D. J. Pearson
- Divisions of Clinical Studies and Cancer Therapeutics, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Martin O. Leach
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom
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44
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Ravoori MK, Singh SP, Lee J, Bankson JA, Kundra V. In Vivo Assessment of Ovarian Tumor Response to Tyrosine Kinase Inhibitor Pazopanib by Using Hyperpolarized 13C-Pyruvate MR Spectroscopy and 18F-FDG PET/CT Imaging in a Mouse Model. Radiology 2017; 285:830-838. [PMID: 28707963 DOI: 10.1148/radiol.2017161772] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Purpose To assess in a mouse model whether early or late components of glucose metabolism, exemplified by fluorine 18 (18F) fluorodeoxyglucose (FDG) positron emission tomography (PET) and hyperpolarized carbon 13 (13C)-pyruvate magnetic resonance (MR) spectroscopy, can serve as indicators of response in ovarian cancer to multityrosine kinase inhibitor pazopanib. Materials and Methods In this Animal Care and Use Committee approved study, 17 days after the injection of 2 × 106 human ovarian SKOV3 tumors cells into 14 female nude mice, treatment with vehicle or pazopanib (2.5 mg per mouse peroral every other day) was initiated. Longitudinal T2-weighted MR imaging, dynamic MR spectroscopy of hyperpolarized pyruvate, and 18F-FDG PET/computed tomographic (CT) imaging were performed before treatment, 2 days after treatment, and 2 weeks after treatment. Results Pazopanib inhibited ovarian tumor growth compared with control (0.054 g ± 0.041 vs 0.223 g ± 0.112, respectively; six mice were treated with pazopanib and seven were control mice; P < .05). Significantly higher pyruvate-to-lactate conversion (lactate/pyruvate + lactate ratio) was found 2 days after treatment with pazopanib than before treatment (0.46 ± 0.07 vs 0.31 ± 0.14, respectively; P < .05; six tumors after treatment, seven tumors before treatment). This was not observed with the control group or with 18F-FDG PET/CT imaging. Conclusion The findings suggest that hyperpolarized 13C-pyruvate MR spectroscopy may serve as an early indicator of response to tyrosine kinase (angiogenesis) inhibitors such as pazopanib in ovarian cancer even when 18F-FDG PET/CT does not indicate a response. © RSNA, 2017 Online supplemental material is available for this article.
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Affiliation(s)
- Murali K Ravoori
- From the Departments of Cancer Systems Imaging (M.K.R., S.P.S., V.K.), Imaging Physics (J.L., J.A.B.), and Diagnostic Radiology (V.K.), University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030
| | - Sheela P Singh
- From the Departments of Cancer Systems Imaging (M.K.R., S.P.S., V.K.), Imaging Physics (J.L., J.A.B.), and Diagnostic Radiology (V.K.), University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030
| | - Jaehyuk Lee
- From the Departments of Cancer Systems Imaging (M.K.R., S.P.S., V.K.), Imaging Physics (J.L., J.A.B.), and Diagnostic Radiology (V.K.), University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030
| | - James A Bankson
- From the Departments of Cancer Systems Imaging (M.K.R., S.P.S., V.K.), Imaging Physics (J.L., J.A.B.), and Diagnostic Radiology (V.K.), University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030
| | - Vikas Kundra
- From the Departments of Cancer Systems Imaging (M.K.R., S.P.S., V.K.), Imaging Physics (J.L., J.A.B.), and Diagnostic Radiology (V.K.), University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030
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Salzillo TC, Hu J, Nguyen L, Whiting N, Lee J, Weygand J, Dutta P, Pudakalakatti S, Millward NZ, Gammon ST, Lang FF, Heimberger AB, Bhattacharya PK. Interrogating Metabolism in Brain Cancer. Magn Reson Imaging Clin N Am 2017; 24:687-703. [PMID: 27742110 DOI: 10.1016/j.mric.2016.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This article reviews existing and emerging techniques of interrogating metabolism in brain cancer from well-established proton magnetic resonance spectroscopy to the promising hyperpolarized metabolic imaging and chemical exchange saturation transfer and emerging techniques of imaging inflammation. Some of these techniques are at an early stage of development and clinical trials are in progress in patients to establish the clinical efficacy. It is likely that in vivo metabolomics and metabolic imaging is the next frontier in brain cancer diagnosis and assessing therapeutic efficacy; with the combined knowledge of genomics and proteomics a complete understanding of tumorigenesis in brain might be achieved.
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Affiliation(s)
- Travis C Salzillo
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA; The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Jingzhe Hu
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA; Department of Bioengineering, Rice University, Houston, TX, USA
| | - Linda Nguyen
- The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Nicholas Whiting
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Jaehyuk Lee
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Joseph Weygand
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA; The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Prasanta Dutta
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Shivanand Pudakalakatti
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Niki Zacharias Millward
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Seth T Gammon
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Frederick F Lang
- Department of Neurosurgery, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Amy B Heimberger
- Department of Neurosurgery, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA
| | - Pratip K Bhattacharya
- Department of Cancer Systems Imaging, MD Anderson Cancer Center, The University of Texas, Houston, TX, USA; The University of Texas Health Science Center at Houston, Houston, TX, USA.
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MR Molecular Imaging of Brain Cancer Metabolism Using Hyperpolarized 13C Magnetic Resonance Spectroscopy. Top Magn Reson Imaging 2017; 25:187-196. [PMID: 27748711 DOI: 10.1097/rmr.0000000000000104] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Metabolic reprogramming is an important hallmark of cancer. Alterations in many metabolic pathways support the requirement for cellular building blocks that are essential for cancer cell proliferation. This metabolic reprogramming can be imaged using magnetic resonance spectroscopy (MRS). H MRS can inform on alterations in the steady-state levels of cellular metabolites, but the emergence of hyperpolarized C MRS has now also enabled imaging of metabolic fluxes in real-time, providing a new method for tumor detection and monitoring of therapeutic response. In the case of glioma, preclinical cell and animal studies have shown that the hyperpolarized C MRS metabolic imaging signature is specific to tumor type and can distinguish between mutant IDH1 glioma and primary glioblastoma. Here, we review these findings, first describing the main metabolic pathways that are altered in the different glioma subtypes, and then reporting on the use of hyperpolarized C MRS and MR spectroscopic imaging (MRSI) to probe these pathways. We show that the future translation of this hyperpolarized C MRS molecular metabolic imaging method to the clinic promises to improve the noninvasive detection, characterization, and response-monitoring of brain tumors resulting in improved patient diagnosis and clinical management.
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Siddiqui S, Kadlecek S, Pourfathi M, Xin Y, Mannherz W, Hamedani H, Drachman N, Ruppert K, Clapp J, Rizi R. The use of hyperpolarized carbon-13 magnetic resonance for molecular imaging. Adv Drug Deliv Rev 2017; 113:3-23. [PMID: 27599979 PMCID: PMC5783573 DOI: 10.1016/j.addr.2016.08.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 08/25/2016] [Accepted: 08/27/2016] [Indexed: 02/06/2023]
Abstract
Until recently, molecular imaging using magnetic resonance (MR) has been limited by the modality's low sensitivity, especially with non-proton nuclei. The advent of hyperpolarized (HP) MR overcomes this limitation by substantially enhancing the signal of certain biologically important probes through a process known as external nuclear polarization, enabling real-time assessment of tissue function and metabolism. The metabolic information obtained by HP MR imaging holds significant promise in the clinic, where it could play a critical role in disease diagnosis and therapeutic monitoring. This review will provide a comprehensive overview of the developments made in the field of hyperpolarized MR, including advancements in polarization techniques and delivery, probe development, pulse sequence optimization, characterization of healthy and diseased tissues, and the steps made towards clinical translation.
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Affiliation(s)
- Sarmad Siddiqui
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Stephen Kadlecek
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Mehrdad Pourfathi
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yi Xin
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - William Mannherz
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Hooman Hamedani
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Nicholas Drachman
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kai Ruppert
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Justin Clapp
- Department of Anesthesiology and Critical Care, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rahim Rizi
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Abstract
OPINION STATEMENT With advances in treatments and survival of patients with glioblastoma (GBM), it has become apparent that conventional imaging sequences have significant limitations both in terms of assessing response to treatment and monitoring disease progression. Both 'pseudoprogression' after chemoradiation for newly diagnosed GBM and 'pseudoresponse' after anti-angiogenesis treatment for relapsed GBM are well-recognised radiological entities. This in turn has led to revision of response criteria away from the standard MacDonald criteria, which depend on the two-dimensional measurement of contrast-enhancing tumour, and which have been the primary measure of radiological response for over three decades. A working party of experts published RANO (Response Assessment in Neuro-oncology Working Group) criteria in 2010 which take into account signal change on T2/FLAIR sequences as well as the contrast-enhancing component of the tumour. These have recently been modified for immune therapies, which are associated with specific issues related to the timing of radiological response. There has been increasing interest in quantification and validation of physiological and metabolic parameters in GBM over the last 10 years utilising the wide range of advanced imaging techniques available on standard MRI platforms. Previously, MRI would provide structural information only on the anatomical location of the tumour and the presence or absence of a disrupted blood-brain barrier. Advanced MRI sequences include proton magnetic resonance spectroscopy (MRS), vascular imaging (perfusion/permeability) and diffusion imaging (diffusion weighted imaging/diffusion tensor imaging) and are now routinely available. They provide biologically relevant functional, haemodynamic, cellular, metabolic and cytoarchitectural information and are being evaluated in clinical trials to determine whether they offer superior biomarkers of early treatment response than conventional imaging, when correlated with hard survival endpoints. Multiparametric imaging, incorporating different combinations of these modalities, improves accuracy over single imaging modalities but has not been widely adopted due to the amount of post-processing analysis required, lack of clinical trial data, lack of radiology training and wide variations in threshold values. New techniques including diffusion kurtosis and radiomics will offer a higher level of quantification but will require validation in clinical trial settings. Given all these considerations, it is clear that there is an urgent need to incorporate advanced techniques into clinical trial design to avoid the problems of under or over assessment of treatment response.
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Hyperpolarization MRI: Preclinical Models and Potential Applications in Neuroradiology. Top Magn Reson Imaging 2016; 25:31-7. [PMID: 26848559 DOI: 10.1097/rmr.0000000000000076] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Hyperpolarization is a novel technology that can dramatically increase signal to noise in magnetic resonance. The method is being applied to small injectable endogenous molecules, which can be used to monitor transient in vivo metabolic events, in real time. The emergence of hyperpolarized C-labeled probes, specifically C pyruvate, has enabled monitoring of core cellular metabolic events. Neuro-oncological applications have been demonstrated in preclinical models. Many more applications of this technology are envisioned, with transformative potential in magnetic resonance imaging.
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Hyperpolarized MRS: New tool to study real-time brain function and metabolism. Anal Biochem 2016; 529:270-277. [PMID: 27665679 DOI: 10.1016/j.ab.2016.09.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 08/31/2016] [Accepted: 09/21/2016] [Indexed: 11/23/2022]
Abstract
The advent of dissolution dynamic nuclear polarization (DNP) led to the emergence of a new kind of magnetic resonance (MR) measurements providing the opportunity to probe metabolism in vivo in real time. It has been shown that, following the injection of hyperpolarized substrates prepared using dissolution DNP, specific metabolic bioprobes that can be used to differentiate between healthy and pathological tissue in preclinical and clinical studies can be readily detected by MR thanks to the tremendous signal enhancement. The present article aims at reviewing the studies of cerebral function and metabolism based on the use of hyperpolarized MR. The constraints and future opportunities that this technology could offer are discussed.
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