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Lutz NW, Bernard M. Methodological Developments for Metabolic NMR Spectroscopy from Cultured Cells to Tissue Extracts: Achievements, Progress and Pitfalls. Molecules 2022; 27:molecules27134214. [PMID: 35807461 PMCID: PMC9268249 DOI: 10.3390/molecules27134214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/08/2022] [Accepted: 06/20/2022] [Indexed: 12/04/2022] Open
Abstract
This is a broad overview and critical review of a particular group of closely related ex vivo and in vitro metabolic NMR spectroscopic methods. The scope of interest comprises studies of cultured cells and excised tissue, either intact or after physicochemical extraction of metabolites. Our detailed discussion includes pitfalls that have led to erroneous statements in the published literature, some of which may cause serious problems in metabolic and biological interpretation of results. To cover a wide range of work from relevant research areas, we consider not only the most recent achievements in the field, but also techniques that proved to be valid and successful in the past, although they may not have generated a very significant number of papers more recently. Thus, this comparative review also aims at providing background information useful for judiciously choosing between the metabolic ex vivo/in vitro NMR methods presented. Finally, the methods of interest are discussed in the context of, and in relation to, other metabolic analysis protocols such as HR-MAS and cell perfusion NMR, as well as the mass spectrometry approach.
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Rodrigues D, Monteiro M, Jerónimo C, Henrique R, Belo L, Bastos MDL, Guedes de Pinho P, Carvalho M. Renal cell carcinoma: a critical analysis of metabolomic biomarkers emerging from current model systems. Transl Res 2017; 180:1-11. [PMID: 27546593 DOI: 10.1016/j.trsl.2016.07.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 07/16/2016] [Accepted: 07/23/2016] [Indexed: 10/21/2022]
Abstract
Metabolomics, an emerging field of "omics" sciences, has caught wide scientific attention in the area of biomarker research for cancers in which early diagnostic biomarkers have the potential to greatly improve patient outcome, such as renal cell carcinoma (RCC). Metabolomic approaches have been successfully applied to various human RCC model systems, mostly ex vivo neoplastic renal tissues and biofluids (urine and serum) from patients with RCC. Importantly, in contrast to other cancers, only a few studies have addressed the RCC metabolome using cancer cell culture-based in vitro models. Herein, we first carried out a comprehensive review of current metabolomic data in RCC, with emphasis on metabolite disturbances and dysregulated metabolic pathways identified in each of these experimental models. We then critically analyzed the consistency of evidence in this field and whether metabolites found altered in tumor cell and tissue microenvironment are reflected in biofluids, which constitute the rationale underlying the translation of discovered metabolic biomarkers into noninvasive diagnostic tools. Finally, dominant metabolic pathways and promising metabolites as biomarkers for diagnosis and prognosis of RCC are outlined.
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Affiliation(s)
- Daniela Rodrigues
- UCIBIO/REQUIMTE, Faculty of Pharmacy, Laboratory of Toxicology, Department of Biological Sciences, University of Porto, Porto, Portugal.
| | - Márcia Monteiro
- UCIBIO/REQUIMTE, Faculty of Pharmacy, Laboratory of Toxicology, Department of Biological Sciences, University of Porto, Porto, Portugal
| | - Carmen Jerónimo
- Cancer Biology and Epigenetics Group, Research Center (CI-IPOP) Portuguese Oncology Institute-Porto (IPO-Porto), Porto, Portugal; Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal
| | - Rui Henrique
- Cancer Biology and Epigenetics Group, Research Center (CI-IPOP) Portuguese Oncology Institute-Porto (IPO-Porto), Porto, Portugal; Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal; Department of Pathology, Portuguese Oncology Institute-Porto (IPO-Porto), Porto, Portugal
| | - Luís Belo
- UCIBIO/REQUIMTE, Faculty of Pharmacy, Laboratory of Biochemistry, Department of Biological Sciences, University of Porto, Porto, Portugal
| | - Maria de Lourdes Bastos
- UCIBIO/REQUIMTE, Faculty of Pharmacy, Laboratory of Toxicology, Department of Biological Sciences, University of Porto, Porto, Portugal
| | - Paula Guedes de Pinho
- UCIBIO/REQUIMTE, Faculty of Pharmacy, Laboratory of Toxicology, Department of Biological Sciences, University of Porto, Porto, Portugal
| | - Márcia Carvalho
- UCIBIO/REQUIMTE, Faculty of Pharmacy, Laboratory of Toxicology, Department of Biological Sciences, University of Porto, Porto, Portugal; FP-ENAS (UFP Energy, Environment and Health Research Unit), CEBIMED (Biomedical Research Centre), Fernando Pessoa University, Porto, Portugal.
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Lutz NW, Banerjee P, Wilson BJ, Ma J, Cozzone PJ, Frank MH. Expression of Cell-Surface Marker ABCB5 Causes Characteristic Modifications of Glucose, Amino Acid and Phospholipid Metabolism in the G3361 Melanoma-Initiating Cell Line. PLoS One 2016; 11:e0161803. [PMID: 27560924 PMCID: PMC4999280 DOI: 10.1371/journal.pone.0161803] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Accepted: 08/14/2016] [Indexed: 01/10/2023] Open
Abstract
We present a pilot study aimed at determining the effects of expression of ATP-binding cassette member B5 (ABCB5), a previously described marker for melanoma-initiating cells, on cellular metabolism. Metabolic profiles for two groups of human G3361 melanoma cells were compared, i.e. wildtype melanoma cells with intact ABCB5 expression (ABCB5-WT) and corresponding melanoma cell variants with inhibited ABCB5 expression, through shRNA-mediated gene knockdown (ABCB5-KD). A comprehensive metabolomic analysis was performed by using proton and phosphorus NMR spectroscopy of cell extracts to examine water-soluble metabolites and lipids. Parametric and non-parametric statistical analysis of absolute and relative metabolite levels yielded significant differences for compounds involved in glucose, amino acid and phospholipid (PL) metabolism. By contrast, energy metabolism was virtually unaffected by ABCB5 expression. The sum of water-soluble metabolites per total protein was 17% higher in ABCB5-WT vs. ABCB5-KD G3361 variants, but no difference was found for the sum of PLs. Enhanced abundance was particularly pronounced for lactate (+ 23%) and alanine (+ 26%), suggesting an increase in glycolysis and potentially glutaminolysis. Increases in PL degradation products, glycerophosphocholine and glycerophosphoethanolamine (+ 85 and 123%, respectively), and redistributions within the PL pool suggested enhanced membrane PL turnover as a consequence of ABCB5 expression. The possibility of glycolysis modulation by an ABCB5-dependent IL1β-mediated mechanism was supported by functional studies employing monoclonal antibody (mAb)-dependent ABCB5 protein inhibition in wildtype G3361 melanoma cells. Our metabolomic results suggest that the underlying biochemical pathways may offer targets for melanoma therapy, potentially in combination with other treatment forms.
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Affiliation(s)
- Norbert W Lutz
- Centre de Résonance Magnétique Biologique et Médicale, Unité Mixte de Recherche 7339 Centre National de la Recherche Scientifique, Faculté de Médecine de la Timone, Aix-Marseille Université, Marseille, France
| | - Pallavi Banerjee
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Brian J Wilson
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America.,Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Jie Ma
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Patrick J Cozzone
- Centre de Résonance Magnétique Biologique et Médicale, Unité Mixte de Recherche 7339 Centre National de la Recherche Scientifique, Faculté de Médecine de la Timone, Aix-Marseille Université, Marseille, France.,Singapore Imaging Consortium, Agency for Science, Technology and Research, Singapore
| | - Markus H Frank
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America.,Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America.,School of Medical Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
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Investigations on the cell metabolomics basis of multidrug resistance from tumor cells by ultra-performance liquid chromatography–mass spectrometry. Anal Bioanal Chem 2016; 408:5843-5854. [DOI: 10.1007/s00216-016-9696-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 06/02/2016] [Accepted: 06/06/2016] [Indexed: 10/21/2022]
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Abstract
This paper reviews the use of NMR metabolomics for the metabolic characterization of renal cancer. The existing challenges in the clinical management of this disease are first presented, followed by a brief introduction to the metabolomics approach, in the context of cancer research. A subsequent review of the literature on NMR metabolic studies of renal cancer reveals that the subject has been clearly underdeveloped, compared with other types of cancer, particularly regarding cultured cells and tissue analysis. NMR analysis of biofluids has focused on blood (plasma or serum) metabolomics, comprising no account of studies on human urine, in spite of its noninvasiveness and physiological proximity to the affected organs. Finally, some areas of potential future development are identified.
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Sriram R, Van Criekinge M, Hansen A, Wang ZJ, Vigneron DB, Wilson DM, Keshari KR, Kurhanewicz J. Real-time measurement of hyperpolarized lactate production and efflux as a biomarker of tumor aggressiveness in an MR compatible 3D cell culture bioreactor. NMR IN BIOMEDICINE 2015; 28:1141-1149. [PMID: 26202449 PMCID: PMC4537810 DOI: 10.1002/nbm.3354] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 05/28/2015] [Accepted: 06/05/2015] [Indexed: 05/19/2023]
Abstract
We have developed a 3D cell/tissue culture bioreactor compatible with hyperpolarized (HP) (13)C MR and interrogated HP [1-(13)C]lactate production and efflux in human renal cell carcinoma (RCC) cells. This platform is capable of resolving intracellular and extracellular HP lactate pools, allowing the kinetic measurement of lactate production and efflux in the context of cancer aggressiveness and response to therapy. HP (13)C MR studies were performed on three immortalized human renal cell lines: HK2, a normal renal proximal tubule cell line from which a majority of RCCs arise, UMRC6, a cell line derived from a localized RCC, and UOK262, an aggressive and metastatic RCC. The intra- (Lacin ) and extracellular (Lacex ) HP lactate signals were robustly resolved in dynamic (13)C spectra of the cell lines due to a very small but reproducible chemical shift difference (0.031 ± 0.0005 ppm). Following HP [1-(13)C]pyruvate delivery, the ratio of HP Lacin /Lacex was significantly lower for UOK262 cells compared with both UMRC6 and HK2 cells due to a significant (p < 0.05) increase in the Lacex pool size. Lacin /Lacex correlated with the MCT4 mRNA expression of the cell lines, and inhibition of MCT4 transport using DIDS resulted in a significant reduction in the HP Lacex pool size. The extension of these studies to living patient-derived RCC tissue slices using HP [1,2-(13)C2]pyruvate demonstrated a similarly split lactate doublet with a high Lacex pool fraction; in contrast, only a single NMR resonance is noted for HP [5-(13)C]glutamate, consistent with intracellular localization. These studies support the importance of lactate efflux as a biomarker of cancer aggressiveness and metastatic potential, and the utility of the MR compatible 3D cell/tissue culture bioreactor to study not only cellular metabolism but also transport. Additionally, this platform offers a sophisticated way to follow therapeutic interventions and screen novel therapies that target lactate export.
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Affiliation(s)
- Renuka Sriram
- Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States
- Correspondence and Reprint Request: Renuka Sriram, University of California, San Francisco, Byers Hall, Room 201B, 1700 4th Street, MC 2520, San Francisco, CA 94158, Tel: (415) 514-4874, Fax: (415) 514-4714,
| | - Mark Van Criekinge
- Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States
| | - Ailin Hansen
- Norwegian University of Science and Technology, Trondheim, Norway
| | - Zhen J. Wang
- Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States
| | - Daniel B. Vigneron
- Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States
| | - David M. Wilson
- Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States
| | - Kayvan R. Keshari
- Radiology and Molecular Pharmacology and Chemistry Program, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - John Kurhanewicz
- Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States
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Culcasi M, Thétiot-Laurent S, Atteia A, Pietri S. Mitochondrial, acidic, and cytosolic pHs determination by ³¹P NMR spectroscopy: design of new sensitive targeted pH probes. Methods Mol Biol 2015; 1265:135-147. [PMID: 25634273 DOI: 10.1007/978-1-4939-2288-8_11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
(31)P nuclear magnetic resonance (NMR) is a unique technique to monitor noninvasively the energetics of living systems at real time through the detection of a variety of phosphorylated metabolites. Using adequately designed α-aminophosphonates as external probes, we have shown earlier that (31)P NMR can also give access simultaneously to the accurate pH of cytosolic and acidic compartments in normal and stressed cultured cells or isolated perfused organs, a feature that was not possible using endogenous inorganic phosphate as the probe. More recently, we obtained a series of derivatives of these new pH probes that incorporate a triphenylphosphonium cation as a specific vector to the mitochondrion. Here, we describe the synthesis, (31)P NMR pH titrating properties in buffers, and application in cultures of the green alga Chlamydomonas reinhardtii of two of these mitochondria-targeted pH probes in comparison with one nonvectorized, yet still informative α-aminophosphonate.
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Affiliation(s)
- Marcel Culcasi
- UMR 7273, CNRS, Equipe Sondes Moléculaires en Biologie et Stress Oxydant, Centre scientifique de Saint-Jérôme, Institut de Chimie Radicalaire, Aix-Marseille Université, Service 522, Avenue Escadrille Normandie-Niemen, Marseille Cedex 20, 13397, France
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Abstract
The detailed knowledge of mammalian cell metabolism and its adjustments to different cell properties and perturbations, such as disease and drug exposure, is of enormous value in the deeper understanding of pathological processes and drug mechanisms, as well as in the development of new and improved methods for diagnosis, follow-up of disease progression and treatment response. This review covers recent developments in the use of NMR-based metabonomics to characterize cellular metabolomes and interpret them in terms of metabolic changes taking place in a wide range of situations. The analytical methodology available is briefly presented and the applications developed so far are reviewed. These include differences in cell properties (e.g., drug resistance, cell cycle stage, specific growth conditions and genetic characteristics) and changes induced in response to different perturbations (e.g., disease, drug exposure and irradiation).
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