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Chen C, Naveed H, Chen K. Research progress on branched-chain amino acid aminotransferases. Front Genet 2023; 14:1233669. [PMID: 38028625 PMCID: PMC10658711 DOI: 10.3389/fgene.2023.1233669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Branched-chain amino acid aminotransferases, widely present in natural organisms, catalyze bidirectional amino transfer between branched-chain amino acids and branched-chain α-ketoacids in cells. Branched-chain amino acid aminotransferases play an important role in the metabolism of branched-chain amino acids. In this paper, the interspecific evolution and biological characteristics of branched-chain amino acid aminotransferases are introduced, the related research of branched-chain amino acid aminotransferases in animals, plants, microorganisms and humans is summarized and the molecular mechanism of branched-chain amino acid aminotransferase is analyzed. It has been found that branched-chain amino acid metabolism disorders are closely related to various diseases in humans and animals and plants, such as diabetes, cardiovascular diseases, brain diseases, neurological diseases and cancer. In particular, branched-chain amino acid aminotransferases play an important role in the development of various tumors. Branched-chain amino acid aminotransferases have been used as potential targets for various cancers. This article reviews the research on branched-chain amino acid aminotransferases, aiming to provide a reference for clinical research on targeted therapy for various diseases and different cancers.
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Affiliation(s)
- Can Chen
- School of Life Sciences, Jiangsu University, Zhenjiang, China
| | - Hassan Naveed
- School of Life Sciences, Jiangsu University, Zhenjiang, China
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Keping Chen
- School of Life Sciences, Jiangsu University, Zhenjiang, China
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2
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Adelabu I, Chowdhury MRH, Nantogma S, Oladun C, Ahmed F, Stilgenbauer L, Sadagurski M, Theis T, Goodson BM, Chekmenev EY. Efficient SABRE-SHEATH Hyperpolarization of Potent Branched-Chain-Amino-Acid Metabolic Probe [1- 13C]ketoisocaproate. Metabolites 2023; 13:200. [PMID: 36837820 PMCID: PMC9963635 DOI: 10.3390/metabo13020200] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 02/03/2023] Open
Abstract
Efficient 13C hyperpolarization of ketoisocaproate is demonstrated in natural isotopic abundance and [1-13C]enriched forms via SABRE-SHEATH (Signal Amplification By Reversible Exchange in SHield Enables Alignment Transfer to Heteronuclei). Parahydrogen, as the source of nuclear spin order, and ketoisocaproate undergo simultaneous chemical exchange with an Ir-IMes-based hexacoordinate complex in CD3OD. SABRE-SHEATH enables spontaneous polarization transfer from parahydrogen-derived hydrides to the 13C nucleus of transiently bound ketoisocaproate. 13C polarization values of up to 18% are achieved at the 1-13C site in 1 min in the liquid state at 30 mM substrate concentration. The efficient polarization build-up becomes possible due to favorable relaxation dynamics. Specifically, the exponential build-up time constant (14.3 ± 0.6 s) is substantially lower than the corresponding polarization decay time constant (22.8 ± 1.2 s) at the optimum polarization transfer field (0.4 microtesla) and temperature (10 °C). The experiments with natural abundance ketoisocaproate revealed polarization level on the 13C-2 site of less than 1%-i.e., one order of magnitude lower than that of the 1-13C site-which is only partially due to more-efficient relaxation dynamics in sub-microtesla fields. We rationalize the overall much lower 13C-2 polarization efficiency in part by less favorable catalyst-binding dynamics of the C-2 site. Pilot SABRE experiments at pH 4.0 (acidified sample) versus pH 6.1 (unaltered sodium [1-13C]ketoisocaproate) reveal substantial modulation of SABRE-SHEATH processes by pH, warranting future systematic pH titration studies of ketoisocaproate, as well as other structurally similar ketocarboxylate motifs including pyruvate and alpha-ketoglutarate, with the overarching goal of maximizing 13C polarization levels in these potent molecular probes. Finally, we also report on the pilot post-mortem use of HP [1-13C]ketoisocaproate in a euthanized mouse, demonstrating that SABRE-hyperpolarized 13C contrast agents hold promise for future metabolic studies.
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Affiliation(s)
- Isaiah Adelabu
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
| | - Md Raduanul H. Chowdhury
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
| | - Shiraz Nantogma
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
| | - Clementinah Oladun
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
| | - Firoz Ahmed
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
| | - Lukas Stilgenbauer
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
| | - Marianna Sadagurski
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
| | - Thomas Theis
- Department of Chemistry, Department of Physics, Joint UNC-CH & NC State Department of Biomedical Engineering, North Carolina State University, Raleigh, NC 27695, USA
| | - Boyd M. Goodson
- School of Chemical & Biomolecular Sciences and Materials Technology Center, Southern Illinois University, Carbondale, IL 62901, USA
| | - Eduard Y. Chekmenev
- Department of Chemistry, Integrative Biosciences (Ibio), Karmanos Cancer Institute (KCI), Wayne State University, Detroit, MI 48202, USA
- Russian Academy of Sciences, Leninskiy Prospekt 14, 119991 Moscow, Russia
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3
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Nong X, Zhang C, Wang J, Ding P, Ji G, Wu T. The mechanism of branched-chain amino acid transferases in different diseases: Research progress and future prospects. Front Oncol 2022; 12:988290. [PMID: 36119495 PMCID: PMC9478667 DOI: 10.3389/fonc.2022.988290] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/12/2022] [Indexed: 12/16/2022] Open
Abstract
It is well known that the enzyme catalyzes the first step of branched-chain amino acid (BCAA) catabolism is branched-chain amino transferase (BCAT), which is involved in the synthesis and degradation of leucine, isoleucine and valine. There are two main subtypes of human branched chain amino transferase (hBCAT), including cytoplasmic BCAT (BCAT1) and mitochondrial BCAT (BCAT2). In recent years, the role of BCAT in tumors has attracted the attention of scientists, and there have been continuous research reports that BCAT plays a role in the tumor, Alzheimer’s disease, myeloid leukaemia and other diseases. It plays a significant role in the growth and development of diseases, and new discoveries about this gene in some diseases are made every year. BCAT usually promotes cancer proliferation and invasion by activating the phosphatidylinositol 3-kinase/protein kinase B/mammalian target of rapamycin pathway and activating Wnt/β-catenin signal transduction. This article reviews the role and mechanism of BCAT in different diseases, as well as the recent biomedical research progress. This review aims to make a comprehensive summary of the role and mechanism of BCAT in different diseases and to provide new research ideas for the treatment, prognosis and prevention of certain diseases.
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Affiliation(s)
- Xiazhen Nong
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Caiyun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Junmin Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Peilun Ding
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Guang Ji
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Guang Ji, ; ; Tao Wu, ;
| | - Tao Wu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Guang Ji, ; ; Tao Wu, ;
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4
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Dual contribution of the mTOR pathway and of the metabolism of amino acids in prostate cancer. Cell Oncol (Dordr) 2022; 45:831-859. [PMID: 36036882 DOI: 10.1007/s13402-022-00706-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2022] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND Prostate cancer is the leading cause of cancer in men, and its incidence increases with age. Among other risk factors, pre-existing metabolic diseases have been recently linked with prostate cancer, and our current knowledge recognizes prostate cancer as a condition with important metabolic anomalies as well. In malignancies, metabolic disorders are commonly associated with aberrations in mTOR, which is the master regulator of protein synthesis and energetic homeostasis. Although there are reports demonstrating the high dependency of prostate cancer cells for lipid derivatives and even for carbohydrates, the understanding regarding amino acids, and the relationship with the mTOR pathway ultimately resulting in metabolic aberrations, is still scarce. CONCLUSIONS AND PERSPECTIVES In this review, we briefly provide evidence supporting prostate cancer as a metabolic disease, and discuss what is known about mTOR signaling and prostate cancer. Next, we emphasized on the amino acids glutamine, leucine, serine, glycine, sarcosine, proline and arginine, commonly related to prostate cancer, to explore the alterations in their regulatory pathways and to link them with the associated metabolic reprogramming events seen in prostate cancer. Finally, we display potential therapeutic strategies for targeting mTOR and the referred amino acids, as experimental approaches to selectively attack prostate cancer cells.
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5
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Banoei MM, Mahé E, Mansoor A, Stewart D, Winston BW, Habibi HR, Shabani-Rad MT. NMR-based metabolomic profiling can differentiate follicular lymphoma from benign lymph node tissues and may be predictive of outcome. Sci Rep 2022; 12:8294. [PMID: 35585165 PMCID: PMC9117304 DOI: 10.1038/s41598-022-12445-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/10/2022] [Indexed: 11/10/2022] Open
Abstract
Follicular lymphoma (FL) is a cancer of B-cells, representing the second most common type of non-Hodgkin lymphoma and typically diagnosed at advanced stage in older adults. In contrast to the wide range of available molecular genetic data, limited data relating the metabolomic features of follicular lymphoma are known. Metabolomics is a promising analytical approach employing metabolites (molecules < 1 kDa in size) as potential biomarkers in cancer research. In this pilot study, we performed proton nuclear magnetic resonance spectroscopy (1H-NMR) on 29 cases of FL and 11 control patient specimens. The resulting spectra were assessed by both unsupervised and supervised statistical methods. We report significantly discriminant metabolomic models of common metabolites distinguishing FL from control tissues. Within our FL case series, we also report discriminant metabolomic signatures predictive of progression-free survival.
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Affiliation(s)
- Mohammad Mehdi Banoei
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Etienne Mahé
- Department of Pathology and Laboratory Medicine, Foothills Medical Centre, Cumming School of Medicine, University of Calgary, McCaig Tower, Room MT7523, 1403 29 St NW, Calgary, AB, T2N 2T9, Canada.
| | - Adnan Mansoor
- Department of Pathology and Laboratory Medicine, Foothills Medical Centre, Cumming School of Medicine, University of Calgary, McCaig Tower, Room MT7523, 1403 29 St NW, Calgary, AB, T2N 2T9, Canada
| | - Douglas Stewart
- Departments of Oncology and Medicine, University of Calgary and Tom Baker Cancer Centre, Calgary, AB, Canada
| | - Brent W Winston
- Departments of Critical Care Medicine, Medicine and Biochemistry and Molecular Biology, University of Calgary, Calgary, AB, Canada
| | - Hamid R Habibi
- Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Meer-Taher Shabani-Rad
- Department of Pathology and Laboratory Medicine, Foothills Medical Centre, Cumming School of Medicine, University of Calgary, McCaig Tower, Room MT7523, 1403 29 St NW, Calgary, AB, T2N 2T9, Canada
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6
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Tickner BJ, Ahwal F, Whitwood AC, Duckett SB. Reversible Hyperpolarization of Ketoisocaproate Using Sulfoxide-containing Polarization Transfer Catalysts. Chemphyschem 2021; 22:13-17. [PMID: 33196137 PMCID: PMC7839500 DOI: 10.1002/cphc.202000825] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/06/2020] [Indexed: 12/16/2022]
Abstract
The substrate scope of sulfoxide-containing magnetisation transfer catalysts is extended to hyperpolarize α-ketoisocaproate and α-ketoisocaproate-1-[13 C]. This is achieved by forming [Ir(H)2 (κ2 -ketoisocaproate)(N-heterocyclic carbene)(sulfoxide)] which transfers latent magnetism from p-H2 via the signal amplification by reversible exchange (SABRE) process. The effect of polarization transfer field on the formation of enhanced 13 C magnetization is evaluated. Consequently, performing SABRE in a 0.5 μT field enabled most efficient magnetisation transfer. 13 C NMR signals for α-ketoisocaproate-1-[13 C] in methanol-d4 are up to 985-fold more intense than their traditional Boltzmann derived signal intensity (0.8 % 13 C polarisation). Single crystal X-ray diffraction reveals the formation of the novel catalyst decomposition products [Ir(μ-H)(H)2 (IMes)(SO(Ph)(Me)2 )]2 and [(Ir(H)2 (IMes)(SO(Me)2 ))2 (μ-S)] when the sulfoxides methylphenylsulfoxide and dimethylsulfoxide are used respectively.
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Affiliation(s)
- Ben. J. Tickner
- Centre for Hyperpolarisation in Magnetic ResonanceUniversity of York, HeslingtonYorkU.K.YO10 5NY
- Department of ChemistryUniversity of York, HeslingtonYorkU.K.YO10 5DD
- NMR Research Unit, Faculty of ScienceUniversity of OuluP.O. Box 300090014OuluFinland
| | - Fadi Ahwal
- Centre for Hyperpolarisation in Magnetic ResonanceUniversity of York, HeslingtonYorkU.K.YO10 5NY
- Department of ChemistryUniversity of York, HeslingtonYorkU.K.YO10 5DD
| | | | - Simon B. Duckett
- Centre for Hyperpolarisation in Magnetic ResonanceUniversity of York, HeslingtonYorkU.K.YO10 5NY
- Department of ChemistryUniversity of York, HeslingtonYorkU.K.YO10 5DD
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7
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Bhalla K, Jaber S, Reagan K, Hamburg A, Underwood KF, Jhajharia A, Singh M, Bhandary B, Bhat S, Nanaji NM, Hisa R, McCracken C, Creasy HH, Lapidus RG, Kingsbury T, Mayer D, Polster B, Gartenhaus RB. SIRT3, a metabolic target linked to ataxia-telangiectasia mutated (ATM) gene deficiency in diffuse large B-cell lymphoma. Sci Rep 2020; 10:21159. [PMID: 33273545 PMCID: PMC7712916 DOI: 10.1038/s41598-020-78193-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 11/10/2020] [Indexed: 12/16/2022] Open
Abstract
Inactivation of Ataxia-telangiectasia mutated (ATM) gene results in an increased risk to develop cancer. We show that ATM deficiency in diffuse large B-cell lymphoma (DLBCL) significantly induce mitochondrial deacetylase sirtuin-3 (SIRT3) activity, disrupted mitochondrial structure, decreased mitochondrial respiration, and compromised TCA flux compared with DLBCL cells expressing wild type (WT)-ATM. This corresponded to enrichment of glutamate receptor and glutamine pathways in ATM deficient background compared to WT-ATM DLBCL cells. ATM−/− DLBCL cells have decreased apoptosis in contrast to radiosensitive non-cancerous A-T cells. In vivo studies using gain and loss of SIRT3 expression showed that SIRT3 promotes growth of ATM CRISPR knockout DLBCL xenografts compared to wild-type ATM control xenografts. Importantly, screening of DLBCL patient samples identified SIRT3 as a putative therapeutic target, and validated an inverse relationship between ATM and SIRT3 expression. Our data predicts SIRT3 as an important therapeutic target for DLBCL patients with ATM null phenotype.
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Affiliation(s)
- Kavita Bhalla
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
| | - Sausan Jaber
- Department of Anesthesiology, University of Maryland, Baltimore, MD, 21201, USA
| | - Kayla Reagan
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Arielle Hamburg
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Karen F Underwood
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Aditya Jhajharia
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, MD, USA
| | - Maninder Singh
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, MD, USA
| | - Binny Bhandary
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Shambhu Bhat
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Nahid M Nanaji
- Veterans Administration Medical Center, Baltimore, MD, 21201, USA
| | - Ruching Hisa
- Electron Microscopy Core Imaging Facility, Department of Medicine, University of Maryland, Baltimore, USA
| | - Carrie McCracken
- Institute of Genome Sciences, University of Maryland, Baltimore, MD, 21201, USA
| | - Heather Huot Creasy
- Institute of Genome Sciences, University of Maryland, Baltimore, MD, 21201, USA
| | - Rena G Lapidus
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Tami Kingsbury
- Department of Physiology, The Center for Stem Cell Biology and Regenerative Medicine, Baltimore, MD, 21201, USA
| | - Dirk Mayer
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, MD, USA
| | - Brian Polster
- Department of Anesthesiology, University of Maryland, Baltimore, MD, 21201, USA
| | - Ronald B Gartenhaus
- Hunter Holmes McGuire Veterans Administration Medical Center, Virginia Commonwealth University, School of Medicine, Richmond, VA, USA
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8
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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: 18] [Impact Index Per Article: 3.6] [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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9
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In vivo assessment of increased oxidation of branched-chain amino acids in glioblastoma. Sci Rep 2019; 9:340. [PMID: 30674979 PMCID: PMC6344513 DOI: 10.1038/s41598-018-37390-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/04/2018] [Indexed: 01/01/2023] Open
Abstract
Altered branched-chain amino acids (BCAAs) metabolism is a distinctive feature of various cancers and plays an important role in sustaining tumor proliferation and aggressiveness. Despite the therapeutic and diagnostic potentials, the role of BCAA metabolism in cancer and the activities of associated enzymes remain unclear. Due to its pivotal role in BCAA metabolism and rapid cellular transport, hyperpolarized 13C-labeled α-ketoisocaproate (KIC), the α-keto acid corresponding to leucine, can assess both BCAA aminotransferase (BCAT) and branched-chain α-keto acid dehydrogenase complex (BCKDC) activities via production of [1-13C]leucine or 13CO2 (and thus H13CO3−), respectively. Here, we investigated BCAA metabolism of F98 rat glioma model in vivo using hyperpolarized 13C-KIC. In tumor regions, we observed a decrease in 13C-leucine production from injected hyperpolarized 13C-KIC via BCAT compared to the contralateral normal-appearing brain, and an increase in H13CO3−, a catabolic product of KIC through the mitochondrial BCKDC. A parallel ex vivo13C NMR isotopomer analysis following steady-state infusion of [U-13C]leucine to glioma-bearing rats verified the increased oxidation of leucine in glioma tissue. Both the in vivo hyperpolarized KIC imaging and the leucine infusion study indicate that KIC catabolism is upregulated through BCAT/BCKDC and further oxidized via the citric acid cycle in F98 glioma.
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10
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Effect of PTEN loss on metabolic reprogramming in prostate cancer cells. Oncol Lett 2019; 17:2856-2866. [PMID: 30854061 PMCID: PMC6386093 DOI: 10.3892/ol.2019.9932] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Accepted: 12/03/2018] [Indexed: 01/17/2023] Open
Abstract
The tumor suppressor gene PTEN is one of the most often deleted genes in human prostate cancer. Loss of PTEN is an important event in prostate carcinogenesis. Metabolic reprogramming induced by PTEN loss fuels malignant growth and proliferation of prostate cancer cells. Targeted metabolomics analysis was used to investigate the effects of PTEN loss on intracellular metabolic pathways in prostate cancer cells. DU-145 cells were transfected with PTEN siRNAs (siRNA-1 and siRNA-2) for 48 h, and endogenous PTEN expression was monitored by western blotting. Changes in intracellular metabolites were determined by liquid chromatography-tandem mass chromatography (LC-MS/MS) and gas chromatography-mass spectrometry (GC-MS). Most intracellular metabolites involved in glycolysis and glutaminolysis were increased in PTEN knockdown prostate cancer cells. In addition, most intracellular metabolites involved in fatty acid de novo synthesis, fatty acid beta oxidation and branched chain amino acid catabolism were also increased in PTEN knockdown prostate cancer cells. These results revealed that PTEN loss induced the metabolic reprogramming of prostate cancer cells and promoted the malignant proliferation of prostate cancer cells. The present metabolomics analysis indicates that tumor suppressor gene PTEN mutation or deletion can induce metabolic reprogramming in prostate cancer cells and tumorigenesis by altering the metabolic flux of glycolysis, glutaminolysis, fatty acid metabolism and branched chain amino acid catabolism pathways. Metabolic reprogramming is one of the contributors to PTEN-loss driven prostate cancer.
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11
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Shao Y, Ye G, Ren S, Piao HL, Zhao X, Lu X, Wang F, Ma W, Li J, Yin P, Xia T, Xu C, Yu JJ, Sun Y, Xu G. Metabolomics and transcriptomics profiles reveal the dysregulation of the tricarboxylic acid cycle and related mechanisms in prostate cancer. Int J Cancer 2018; 143:396-407. [PMID: 29441565 DOI: 10.1002/ijc.31313] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 12/24/2017] [Accepted: 02/01/2018] [Indexed: 12/14/2022]
Abstract
Genetic alterations drive metabolic reprograming to meet increased biosynthetic precursor and energy demands for cancer cell proliferation and survival in unfavorable environments. A systematic study of gene-metabolite regulatory networks and metabolic dysregulation should reveal the molecular mechanisms underlying prostate cancer (PCa) pathogenesis. Herein, we performed gas chromatography-mass spectrometry (GC-MS)-based metabolomics and RNA-seq analyses in prostate tumors and matched adjacent normal tissues (ANTs) to elucidate the molecular alterations and potential underlying regulatory mechanisms in PCa. Significant accumulation of metabolic intermediates and enrichment of genes in the tricarboxylic acid (TCA) cycle were observed in tumor tissues, indicating TCA cycle hyperactivation in PCa tissues. In addition, the levels of fumarate and malate were highly correlated with the Gleason score, tumor stage and expression of genes encoding related enzymes and were significantly related to the expression of genes involved in branched chain amino acid degradation. Using an integrated omics approach, we further revealed the potential anaplerotic routes from pyruvate, glutamine catabolism and branched chain amino acid (BCAA) degradation contributing to replenishing metabolites for TCA cycle. Integrated omics techniques enable the performance of network-based analyses to gain a comprehensive and in-depth understanding of PCa pathophysiology and may facilitate the development of new and effective therapeutic strategies.
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Affiliation(s)
- Yaping Shao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China.,University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, China
| | - Guozhu Ye
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China.,University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, China
| | - Shancheng Ren
- Department of Urology, Shanghai Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai, China
| | - Hai-Long Piao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China.,Scientific Research Center for Translational Medicine, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China
| | - Xinjie Zhao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China
| | - Xin Lu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China
| | - Fubo Wang
- Department of Urology, Shanghai Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai, China
| | - Wang Ma
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Jianshedong Road, Zhengzhou, China
| | - Jia Li
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China.,University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, China
| | - Peiyuan Yin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China
| | - Tian Xia
- Scientific Research Center for Translational Medicine, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China
| | - Chuanliang Xu
- Department of Urology, Shanghai Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai, China
| | - Jane J Yu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China.,Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Jianshedong Road, Zhengzhou, China.,Department of Internal Medicine, Pulmonary, Critical Care and Sleep Medicine, College of Medicine, University of Cincinnati, 231 Albert Sabin Way, ML 0564, Cincinnati, OH 45267, USA
| | - Yinghao Sun
- Department of Urology, Shanghai Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai, China
| | - Guowang Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, China
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12
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Xue P, Zeng F, Duan Q, Xiao J, Liu L, Yuan P, Fan L, Sun H, Malyarenko OS, Lu H, Xiu R, Liu S, Shao C, Zhang J, Yan W, Wang Z, Zheng J, Zhu F. BCKDK of BCAA Catabolism Cross-talking With the MAPK Pathway Promotes Tumorigenesis of Colorectal Cancer. EBioMedicine 2017; 20:50-60. [PMID: 28501528 PMCID: PMC5478211 DOI: 10.1016/j.ebiom.2017.05.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Revised: 05/01/2017] [Accepted: 05/01/2017] [Indexed: 01/13/2023] Open
Abstract
Branched-chain amino acids catabolism plays an important role in human cancers. Colorectal cancer is the third most commonly diagnosed cancer in males and the second in females, and the new global incidence is over 1.2 million cases. The branched-chain α-keto acid dehydrogenase kinase (BCKDK) is a rate-limiting enzyme in branched-chain amino acids catabolism, which plays an important role in many serious human diseases. Here we investigated that abnormal branched-chain amino acids catabolism in colorectal cancer is a result of the disease process, with no role in disease initiation; BCKDK is widely expressed in colorectal cancer patients, and those patients that express higher levels of BCKDK have shorter survival times than those with lower levels; BCKDK promotes cell transformation or colorectal cancer ex vivo or in vivo. Mechanistically, BCKDK promotes colorectal cancer by enhancing the MAPK signaling pathway through direct MEK phosphorylation, rather than by branched-chain amino acids catabolism. And the process above could be inhibited by a BCKDK inhibitor, phenyl butyrate.
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Affiliation(s)
- Peipei Xue
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Fanfan Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Qiuhong Duan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Juanjuan Xiao
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Lin Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Ping Yuan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Linni Fan
- Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China
| | - Huimin Sun
- Department of Urology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China
| | - Olesya S Malyarenko
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China; G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of Russian Academy of Sciences, Laboratory of Enzyme Chemistry, Vladivostok, Russia
| | - Hui Lu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Ruijuan Xiu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Shaoqing Liu
- Department of State Key Laboratory of Cancer Biology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China
| | - Chen Shao
- Department of Urology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China
| | - Jianmin Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Wei Yan
- Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China.
| | - Zhe Wang
- Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China.
| | - Jianyong Zheng
- Department of State Key Laboratory of Cancer Biology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China.
| | - Feng Zhu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China.
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13
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Park JM, Wu M, Datta K, Liu SC, Castillo A, Lough H, Spielman DM, Billingsley KL. Hyperpolarized Sodium [1- 13C]-Glycerate as a Probe for Assessing Glycolysis In Vivo. J Am Chem Soc 2017; 139:6629-6634. [PMID: 28467066 DOI: 10.1021/jacs.7b00708] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hyperpolarized 13C magnetic resonance spectroscopy (MRS) provides unprecedented opportunities to obtain clinical diagnostic information through in vivo monitoring of metabolic pathways. The continuing advancement of this field relies on the identification of molecular probes that can effectively interrogate pathways critical to disease. In this report, we describe the synthesis, development, and in vivo application of sodium [1-13C]-glycerate ([13C]-Glyc) as a novel probe for evaluating glycolysis using hyperpolarized 13C MRS. This agent was prepared by a concise synthetic route and formulated for dynamic nuclear polarization. [13C]-Glyc displayed a high level of polarization and long spin-lattice relaxation time-both of which are necessary for future clinical investigations. In vivo spectroscopic studies with hyperpolarized [13C]-Glyc in rat liver furnished metabolic products, [13C]-labeled pyruvate and lactate, originating from glycolysis. The levels of production and relative intensities of these metabolites were directly correlated with the induced glycolytic state (fasted versus fed groups). This work establishes hyperpolarized [13C]-Glyc as a novel agent for clinically relevant 13C MRS studies of energy metabolism and further provides opportunities for evaluating intracellular redox states in biochemical investigations.
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Affiliation(s)
- Jae Mo Park
- Advanced Imaging Research Center, University of Texas Southwestern Medical Center , Dallas, Texas 75390, United States
| | - Marvin Wu
- Department of Chemistry and Biochemistry, San Francisco State University , San Francisco, California 94132, United States
| | | | | | - Andrew Castillo
- Department of Chemistry and Biochemistry, San Francisco State University , San Francisco, California 94132, United States
| | - Heather Lough
- Department of Chemistry and Biochemistry, San Francisco State University , San Francisco, California 94132, United States
| | | | - Kelvin L Billingsley
- Department of Chemistry and Biochemistry, San Francisco State University , San Francisco, California 94132, United States.,Department of Chemistry and Biochemistry, California State University, Fullerton , Fullerton, California 92834, United States
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14
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Restructuring an evolving Irish trauma system: What can we learn from Europe and Australia? Surgeon 2015; 14:44-51. [PMID: 26344740 DOI: 10.1016/j.surge.2015.08.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 07/23/2015] [Accepted: 08/13/2015] [Indexed: 11/21/2022]
Abstract
AIM Major trauma is a leading cause of mortality and disability. Internationally, major trauma centres and comprehensive trauma networks are associated with improved outcomes. This study aimed to examine selected international trauma systems in Europe and Australia to identify common themes that may aid reconfiguration of the Irish trauma service. METHODS An electronic search strategy was utilised using Medline, and a search of the grey literature using Google and Google Scholar. Search terms included "trauma systems", "trauma care", "major trauma centre" and "trauma network". Relevant articles were reviewed and data summarised in a narrative format. RESULTS Republic of Ireland currently lacks designated major trauma centres and surrounding trauma networks. Lessons from international models and data from the on-going national trauma audit may guide reconfiguration. Well-functioning trauma systems internationally bear striking similarities, and involve a hub and spoke model. This model has a central major trauma centre, surrounded by a co-ordinated trauma network with trauma units. Concentration of major trauma into high volume centres is key, but these centres must be adequately resourced to deliver a high quality service. Investment in and co-ordination of prehospital care is essential to overcome geographical impediments to centralising trauma care. Funding of rehabilitation infrastructure and resources is also an integral part of a well-functioning trauma system. Trauma outcome data is key to informing trauma system design, with dissemination of this data and public engagement critical for change. CONCLUSION International models of trauma care provide valuable lessons for countries currently in process of reconfiguring trauma services.
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