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Gosset-Erard C, Aubriet F, Leize-Wagner E, François YN, Chaimbault P. Hyphenation of Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) with separation methods: The art of compromises and the possible - A review. Talanta 2023; 257:124324. [PMID: 36780779 DOI: 10.1016/j.talanta.2023.124324] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 02/05/2023]
Abstract
This review provides an overview of the online hyphenation of Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR MS) with separation methods to date. The online coupling between separation techniques (gas and liquid chromatography, capillary electrophoresis) and FT-ICR MS essentially raises questions of compromise and is not look as straightforward as hyphenation with other analyzers (QTOF-MS for instance). FT-ICR MS requires time to reach its highest resolving power and accuracy in mass measurement capabilities whereas chromatographic and electrophoretic peaks are transient. In many applications, the strengths and the weaknesses of each technique are balanced by their hyphenation. Untargeted "Omics" (e.g. proteomics, metabolomics, petroleomics, …) is one of the main areas of application for FT-ICR MS hyphenated to online separation techniques because of the complexity of the sample. FT-ICR MS achieves the required high mass measurement accuracy to determine accurate molecular formulae and resolution for isobar distinction. Meanwhile separation techniques highlight isomers and reduce the ion suppression effects extending the dynamic range. Even if the implementation of FT-ICR MS hyphenated with online separation methods is a little trickier (the art of compromise), this review shows that it provides unparalleled results to the scientific community (the art of the possible), along with raising the issue of its future in the field with the relentless technological progress.
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Affiliation(s)
- Clarisse Gosset-Erard
- Université de Lorraine, LCP-A2MC, F-57000, Metz, France; Laboratoire de Spectrométrie de Masse des Interactions et des Systèmes (LSMIS) UMR 7140 (Unistra-CNRS), Université de, Strasbourg, France.
| | | | - Emmanuelle Leize-Wagner
- Laboratoire de Spectrométrie de Masse des Interactions et des Systèmes (LSMIS) UMR 7140 (Unistra-CNRS), Université de, Strasbourg, France.
| | - Yannis-Nicolas François
- Laboratoire de Spectrométrie de Masse des Interactions et des Systèmes (LSMIS) UMR 7140 (Unistra-CNRS), Université de, Strasbourg, France.
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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: 11] [Impact Index Per Article: 5.5] [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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The role of branched chain amino acids metabolic disorders in tumorigenesis and progression. Biomed Pharmacother 2022; 153:113390. [DOI: 10.1016/j.biopha.2022.113390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/04/2022] [Accepted: 07/07/2022] [Indexed: 11/20/2022] Open
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Effect of the BCAT2 polymorphism (rs11548193) on plasma branched-chain amino acid concentrations after dietary intervention in subjects with obesity and insulin resistance. Br J Nutr 2022; 128:43-54. [PMID: 34340727 DOI: 10.1017/s0007114521002920] [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: 12/24/2022]
Abstract
Branched-chain amino acids (BCAA) are considered markers of insulin resistance (IR) in subjects with obesity. In this study, we evaluated whether the presence of the SNP of the branched-chain aminotransferase 2 (BCAT2) gene can modify the effect of a dietary intervention (DI) on the plasma concentration of BCAA in subjects with obesity and IR. A prospective cohort study of adult subjects with obesity, BMI ≥ 30 kg/m2, homeostatic model assessment-insulin resistance (HOMA-IR ≥ 2·5) no diagnosed chronic disease, underwent a DI with an energy restriction of 3140 kJ/d and nutritional education for 1 month. Anthropometric measurements, body composition, blood pressure, resting energy expenditure, oral glucose tolerance test results, serum biochemical parameters and the plasma amino acid profile were evaluated before and after the DI. SNP were assessed by the TaqMan SNP genotyping assay. A total of eighty-two subjects were included, and fifteen subjects with a BCAT2 SNP had a greater reduction in leucine, isoleucine, valine and the sum of BCAA. Those subjects also had a greater reduction in skeletal muscle mass, fat-free mass, total body water, blood pressure, muscle strength and biochemical parameters after 1 month of the DI and adjusting for age and sex. This study demonstrated that the presence of the BCAT2 SNP promotes a greater reduction in plasma BCAA concentration after adjusting for age and sex, in subjects with obesity and IR after a 1-month energy-restricted DI.
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Vargas-Morales JM, Guizar-Heredia R, Méndez-García AL, Palacios-Gonzalez B, Schcolnik-Cabrera A, Granados O, López-Barradas AM, Vázquez-Manjarrez N, Medina-Vera I, Aguilar-López M, Tovar-Palacio C, Ordaz-Nava G, Rocha-Viggiano AK, Medina-Cerda E, Torres N, Ordovas JM, Tovar AR, Guevara-Cruz M, Noriega LG. Association of BCAT2 and BCKDH polymorphisms with clinical, anthropometric and biochemical parameters in young adults. Nutr Metab Cardiovasc Dis 2021; 31:3210-3218. [PMID: 34511290 DOI: 10.1016/j.numecd.2021.07.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 06/26/2021] [Accepted: 07/13/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND AND AIM Circulating amino acids are modified by sex, body mass index (BMI) and insulin resistance (IR). However, whether the presence of genetic variants in branched-chain amino acid (BCAA) catabolic enzymes modifies circulating amino acids is still unknown. Thus, we determined the frequency of two genetic variants, one in the branched-chain aminotransferase 2 (BCAT2) gene (rs11548193), and one in the branched-chain ketoacid dehydrogenase (BCKDH) gene (rs45500792), and elucidated their impact on circulating amino acid levels together with clinical, anthropometric and biochemical parameters. METHODS AND RESULTS We performed a cross-sectional comparative study in which we recruited 1612 young adults (749 women and 863 men) aged 19.7 ± 2.1 years and with a BMI of 24.9 ± 4.7 kg/m2. Participants underwent clinical evaluation and provided blood samples for DNA extraction and biochemical analysis. The single nucleotide polymorphisms (SNPs) were determined by allelic discrimination using real-time polymerase chain reaction (PCR). The frequencies of the less common alleles were 15.2 % for BCAT2 and 9.83 % for BCKDH. The subjects with either the BCAT2 or BCKDH SNPs displayed no differences in the evaluated parameters compared with subjects homozygotes for the most common allele at each SNP. However, subjects with both SNPs had higher body weight, BMI, blood pressure, glucose, and circulating levels of aspartate, isoleucine, methionine, and proline than the subjects homozygotes for the most common allele (P < 0.05, One-way ANOVA). CONCLUSION Our findings suggest that the joint presence of both the BCAT2 rs11548193 and BCKDH rs45500792 SNPs induces metabolic alterations that are not observed in subjects without either SNP.
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Affiliation(s)
- Juan M Vargas-Morales
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | | | - Ana L Méndez-García
- Departamento de Fisiología de la Nutrición, Mexico; Facultad de Enfermería, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | | | - Alejandro Schcolnik-Cabrera
- Département de Biochimie et Médecine Moléculaire, Université de Montréal, Montréal, QC, Canada; Maisonneuve-Rosemont Hospital Research Centre, Montréal, QC, Canada
| | | | | | | | | | | | - Claudia Tovar-Palacio
- División de Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, Mexico
| | | | | | - Eduardo Medina-Cerda
- Centro de Salud Universitario, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | - Nimbe Torres
- Departamento de Fisiología de la Nutrición, Mexico
| | - José M Ordovas
- Nutrition and Genomics Laboratory, JM-USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA; IMDEA Food Institute, CEI UAM + CSIC, Madrid, Spain
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Mehaffey MR, Sanders JD, Holden DD, Nilsson CL, Brodbelt JS. Multistage Ultraviolet Photodissociation Mass Spectrometry To Characterize Single Amino Acid Variants of Human Mitochondrial BCAT2. Anal Chem 2018; 90:9904-9911. [PMID: 30016590 PMCID: PMC6323636 DOI: 10.1021/acs.analchem.8b02099] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Unraveling disease mechanisms requires a comprehensive understanding of how the interplay between higher-order structure and protein-ligand interactions impacts the function of a given protein. Recent advances in native mass spectrometry (MS) involving multimodal or higher-energy activation methods have allowed direct interrogation of intact protein complexes in the gas phase, allowing analysis of both composition and subunit connectivity. We report a multistage approach combining collisional activation and 193 nm ultraviolet photodissociation (UVPD) to characterize single amino acid variants of the human mitochondrial enzyme branched-chain amino acid transferase 2 (BCAT2), a protein implicated in chemotherapeutic resistance in glioblastoma tumors. Native electrospray ionization confirms that both proteins exist as homodimers. Front-end collisional activation disassembles the dimers into monomeric subunits that are further interrogated using UVPD to yield high sequence coverage of the mutated region. Additionally, holo (ligand-bound) fragment ions resulting from photodissociation reveal that the mutation causes destabilization of the interactions with a bound cofactor. This study demonstrates the unique advantages of implementing UVPD in a multistage MS approach for analyzing intact protein assemblies.
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Affiliation(s)
- M. Rachel Mehaffey
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
| | - James D. Sanders
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
| | - Dustin D. Holden
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
| | - Carol L. Nilsson
- Institute of Experimental Medical Sciences, Lund University, SE-221, Lund Sweden
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Park SG, Anderson GA, Bruce JE. Characterization of Harmonic Signal Acquisition with Parallel Dipole and Multipole Detectors. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2018; 29:1394-1402. [PMID: 29691781 PMCID: PMC6537869 DOI: 10.1007/s13361-018-1954-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 03/01/2018] [Accepted: 03/21/2018] [Indexed: 05/22/2023]
Abstract
Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS) is a powerful instrument for the study of complex biological samples due to its high resolution and mass measurement accuracy. However, the relatively long signal acquisition periods needed to achieve high resolution can serve to limit applications of FTICR-MS. The use of multiple pairs of detector electrodes enables detection of harmonic frequencies present at integer multiples of the fundamental cyclotron frequency, and the obtained resolving power for a given acquisition period increases linearly with the order of harmonic signal. However, harmonic signal detection also increases spectral complexity and presents challenges for interpretation. In the present work, ICR cells with independent dipole and harmonic detection electrodes and preamplifiers are demonstrated. A benefit of this approach is the ability to independently acquire fundamental and multiple harmonic signals in parallel using the same ions under identical conditions, enabling direct comparison of achieved performance as parameters are varied. Spectra from harmonic signals showed generally higher resolving power than spectra acquired with fundamental signals and equal signal duration. In addition, the maximum observed signal to noise (S/N) ratio from harmonic signals exceeded that of fundamental signals by 50 to 100%. Finally, parallel detection of fundamental and harmonic signals enables deconvolution of overlapping harmonic signals since observed fundamental frequencies can be used to unambiguously calculate all possible harmonic frequencies. Thus, the present application of parallel fundamental and harmonic signal acquisition offers a general approach to improve utilization of harmonic signals to yield high-resolution spectra with decreased acquisition time. Graphical Abstract ᅟ.
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Affiliation(s)
- Sung-Gun Park
- Department of Genome Sciences, University of Washington, Seattle, WA, 98109, USA
| | | | - James E Bruce
- Department of Genome Sciences, University of Washington, Seattle, WA, 98109, USA.
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Mostovenko E, Végvári Á, Rezeli M, Lichti CF, Fenyö D, Wang Q, Lang FF, Sulman EP, Sahlin KB, Marko-Varga G, Nilsson CL. Large Scale Identification of Variant Proteins in Glioma Stem Cells. ACS Chem Neurosci 2018; 9:73-79. [PMID: 29254333 PMCID: PMC6008157 DOI: 10.1021/acschemneuro.7b00362] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Glioblastoma (GBM), the most malignant of primary brain tumors, is a devastating and deadly disease, with a median survival of 14 months from diagnosis, despite standard regimens of radical brain tumor surgery, maximal safe radiation, and concomitant chemotherapy. GBM tumors nearly always re-emerge after initial treatment and frequently display resistance to current treatments. One theory that may explain GBM re-emergence is the existence of glioma stemlike cells (GSCs). We sought to identify variant protein features expressed in low passage GSCs derived from patient tumors. To this end, we developed a proteomic database that reflected variant and nonvariant sequences in the human proteome, and applied a novel retrograde proteomic workflow, to identify and validate the expression of 126 protein variants in 33 glioma stem cell strains. These newly identified proteins may harbor a subset of novel protein targets for future development of GBM therapy.
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Affiliation(s)
- Ekaterina Mostovenko
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, 1217 E. Marshall St., Richmond, VA 23284
| | - Ákos Végvári
- Clinical Protein Science & Imaging, Biomedical Center, Department of Biomedical Engineering, Lund University, SE-221 84 Lund, Sweden
| | - Melinda Rezeli
- Clinical Protein Science & Imaging, Biomedical Center, Department of Biomedical Engineering, Lund University, SE-221 84 Lund, Sweden
| | - Cheryl F. Lichti
- Department of Anatomy and Neurobiology, Virginia Commonwealth University School of Medicine, 1217 E. Marshall St., Richmond, VA 23284
- Department of Pathology and Immunology, Washington University School of Medicine, 660 S. Euclid Ave., St. Louis, Missouri, 63110
| | - David Fenyö
- Department of Biochemistry and Molecular Pharmacology and Institute for Systems Genetics, New York University School of Medicine, New York City, New York 10016, United States
| | - Qianghu Wang
- Department of Genomic Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
- Department of Radiation Oncology, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
| | - Frederick F. Lang
- Department of Neurosurgery, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
| | - Erik P. Sulman
- Department of Genomic Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
- Department of Radiation Oncology, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
- Translational Molecular Pathology, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
| | - K. Barbara Sahlin
- Clinical Protein Science & Imaging, Biomedical Center, Department of Biomedical Engineering, Lund University, SE-221 84 Lund, Sweden
| | - György Marko-Varga
- Clinical Protein Science & Imaging, Biomedical Center, Department of Biomedical Engineering, Lund University, SE-221 84 Lund, Sweden
| | - Carol L. Nilsson
- Center of Excellence in Biological and Medical Mass Spectrometry, Lund University, Klinikgatan 32, Lund, SE-221 84 Sweden
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