1
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Hohenwallner K, Lamp LM, Peng L, Nuske M, Hartler J, Reid GE, Rampler E. FAIMS Shotgun Lipidomics for Enhanced Class- and Charge-State Separation Complemented by Automated Ganglioside Annotation. Anal Chem 2024; 96. [PMID: 39028917 PMCID: PMC11295132 DOI: 10.1021/acs.analchem.4c01313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 06/20/2024] [Accepted: 07/12/2024] [Indexed: 07/21/2024]
Abstract
The analysis of gangliosides is extremely challenging, given their structural complexity, lack of reference standards, databases, and software solutions. Here, we introduce a fast 6 min high field asymmetric ion mobility spectrometry (FAIMS) shotgun lipidomics workflow, along with a dedicated software solution for ganglioside detection. By ramping FAIMS compensation voltages, ideal ranges for different ganglioside classes were obtained. FAIMS revealed both class- and charge-state separation behavior based on the glycan headgroup moiety. The number of sialic acids attached to the glycan moiety correlates positively with their preferred charge states, i.e., trisialylated gangliosides were mainly present as [M - 3H]3- ions, whereas [M - 4H]4- and [M - 5H]5- ions were observed for GQ1 and GP1. For data evaluation, we developed a shotgun/FAIMS extension for the open-source Lipid Data Analyzer (LDA), enabling automated annotation of gangliosides up to the molecular lipid species level. This extension utilized combined orthogonal fragmentation spectra from CID, HCD, and 213 nm UVPD ion activation methods and covers 29 ganglioside classes, including acetylated and fucosylated modifications. With our new workflow and software extension 117 unique gangliosides species were identified in porcine brain extracts. While conventional shotgun lipidomics favored the observation of singly charged ganglioside species, the utilization of FAIMS made multiply charged lipid species accessible, resulting in an increased number of detected species, primarily due to an improved signal-to-noise ratio arising from FAIMS charge state filtering. Therefore, this FAIMS-driven workflow, complemented by new software capabilities, offers a promising strategy for complex ganglioside and glycosphingolipid characterization in shotgun lipidomics.
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Affiliation(s)
- Katharina Hohenwallner
- Department
of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Vienna 1090, Austria
- Vienna
Doctoral School in Chemistry (DoSChem), University of Vienna, Vienna 1090, Austria
| | - Leonida M. Lamp
- Institute
of Pharmaceutical Sciences, University of
Graz, Graz 8010, Austria
| | - Liuyu Peng
- School
of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Madison Nuske
- School
of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Jürgen Hartler
- Institute
of Pharmaceutical Sciences, University of
Graz, Graz 8010, Austria
- Field
of Excellence BioHealth, University of Graz, Graz 8010, Austria
| | - Gavin E. Reid
- School
of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia
- Department
of Biochemistry and Pharmacology, University
of Melbourne, Parkville, Victoria 3010, Australia
- Bio21
Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Evelyn Rampler
- Department
of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Vienna 1090, Austria
- Vienna
Doctoral School in Chemistry (DoSChem), University of Vienna, Vienna 1090, Austria
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2
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Biricioiu MR, Sarbu M, Ica R, Vukelić Ž, Clemmer DE, Zamfir AD. Human Cerebellum Gangliosides: A Comprehensive Analysis by Ion Mobility Tandem Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2024; 35:683-695. [PMID: 38518248 DOI: 10.1021/jasms.3c00360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
The human cerebellum is an ultraspecialized region of the brain responsible for cognitive functions and movement coordination. The fine mechanisms through which the process of aging impacts such functions are not well understood; therefore, a rigorous exploration of this brain region at the molecular level is deemed necessary. Gangliosides, sialylated glycosphingolipids, highly and specifically expressed in the human central nervous system, represent possible molecular markers of cerebellum development and aging. In this context, for a comprehensive determination of development- and age-specific components, we have conducted here a comparative profiling and structural determination of the gangliosides expressed in fetal cerebellum in two intrauterine developmental stages and aged cerebellum by ion mobility separation (IMS) mass spectrometry (MS) and tandem MS (MS/MS). Due to the high sensitivity and efficiency of separation provided by IMS MS, no less than 551 chemically distinct species were identified, which represents 4.5 times more gangliosides than ever discovered in this brain region. The detailed assessment of fetal vs aged cerebellum gangliosidome showed marked discrepancies not only in the general number of the species expressed, but also in their sialylation patterns, the modifications of the glycan core, and the composition of the ceramides. All of these characteristics are potential markers of cerebellum development and aging. The structural analysis by collision-induced dissociation (CID) documented the occurrence of GD1b (d18:1/18:0) isomer in the fetal cerebellum in the second gestational trimester, with all probability of GQ1b (t18:1/18:0) in the near-term fetus and of GQ1b (d18:1/18:0) in aged cerebellum.
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Affiliation(s)
- Maria Roxana Biricioiu
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300224, Romania
- Department of Physics, West University of Timisoara, Timisoara 300223, Romania
| | - Mirela Sarbu
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300224, Romania
| | - Raluca Ica
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300224, Romania
| | - Željka Vukelić
- Department of Chemistry and Biochemistry, School of Medicine, University of Zagreb, Zagreb 10000, Croatia
| | - David E Clemmer
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Alina D Zamfir
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300224, Romania
- Institute for Research, Development and Innovation in Natural and Technical Sciences, Aurel Vlaicu University of Arad, Arad 310330, Romania
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3
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Biricioiu MR, Sarbu M, Ica R, Vukelić Ž, Kalanj-Bognar S, Zamfir AD. Advances in Mass Spectrometry of Gangliosides Expressed in Brain Cancers. Int J Mol Sci 2024; 25:1335. [PMID: 38279335 PMCID: PMC10816113 DOI: 10.3390/ijms25021335] [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: 12/05/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 01/28/2024] Open
Abstract
Gangliosides are highly abundant in the human brain where they are involved in major biological events. In brain cancers, alterations of ganglioside pattern occur, some of which being correlated with neoplastic transformation, while others with tumor proliferation. Of all techniques, mass spectrometry (MS) has proven to be one of the most effective in gangliosidomics, due to its ability to characterize heterogeneous mixtures and discover species with biomarker value. This review highlights the most significant achievements of MS in the analysis of gangliosides in human brain cancers. The first part presents the latest state of MS development in the discovery of ganglioside markers in primary brain tumors, with a particular emphasis on the ion mobility separation (IMS) MS and its contribution to the elucidation of the gangliosidome associated with aggressive tumors. The second part is focused on MS of gangliosides in brain metastases, highlighting the ability of matrix-assisted laser desorption/ionization (MALDI)-MS, microfluidics-MS and tandem MS to decipher and structurally characterize species involved in the metastatic process. In the end, several conclusions and perspectives are presented, among which the need for development of reliable software and a user-friendly structural database as a search platform in brain tumor diagnostics.
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Affiliation(s)
- Maria Roxana Biricioiu
- National Institute for Research and Development in Electrochemistry and Condensed Matter, 300224 Timisoara, Romania; (M.R.B.); (M.S.); (R.I.)
- Faculty of Physics, West University of Timisoara, 300223 Timisoara, Romania
| | - Mirela Sarbu
- National Institute for Research and Development in Electrochemistry and Condensed Matter, 300224 Timisoara, Romania; (M.R.B.); (M.S.); (R.I.)
| | - Raluca Ica
- National Institute for Research and Development in Electrochemistry and Condensed Matter, 300224 Timisoara, Romania; (M.R.B.); (M.S.); (R.I.)
| | - Željka Vukelić
- Department of Chemistry and Biochemistry, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia;
| | - Svjetlana Kalanj-Bognar
- Croatian Institute for Brain Research, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia;
| | - Alina D. Zamfir
- National Institute for Research and Development in Electrochemistry and Condensed Matter, 300224 Timisoara, Romania; (M.R.B.); (M.S.); (R.I.)
- Department of Technical and Natural Sciences, “Aurel Vlaicu” University of Arad, 310330 Arad, Romania
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4
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Chan WH, Yau LF, Meng XY, Chan KM, Jiang ZH, Wang JR. Robust quantitation of gangliosides and sulfatides in human brain using UHPLC-MRM-MS: Method development and application in Alzheimer's disease. Talanta 2023; 256:124264. [PMID: 36689895 DOI: 10.1016/j.talanta.2023.124264] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 01/05/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023]
Abstract
Gangliosides (GAs) and sulfatides (STs) are acidic glycosphingolipids that are particularly abundant in the nervous system and are closely related to aging and neurodegenerative disorders. To explore their roles in brain diseases, in-depth molecular profiling, including structural variations of sphingoid backbone, fatty acyl group, and sugar chain of GAs and STs was performed. A total of 210 GAs and 38 STs were characterized in the inferior frontal gyrus (IFG) of human brain, with 90 GAs discovered in brain tissues for the first time. Influential MS parameters for detecting GAs and STs in multiple reaction monitoring (MRM) mode were systematically examined and optimized to minimize in-source fragmentation, resulting in remarkable signal intensity enhancement for GAs and STs, especially for polysialylated species. To eliminate analytical variations, isotopic interference-free internal standards were prepared by simple and fast reduction reaction. The final established method facilitated the simultaneous quantitation of 184 GAs and 30 STs from 25 subtypes, which represents the highest number of GAs quantitated among all quantitation methods recorded in literature so far. The method was further validated and applied to reveal the aberrant change of GAs and STs in the IFG of 12 Alzheimer's disease (AD) patients. Four GAs exhibited high classification capacity for AD (AUC ≥0.80) and were thereby considered the most promising signatures for AD. These findings suggested the close correlation between GAs and the pathogenesis of AD, highlighting the achievements of our robust method for investigating the roles of GAs and STs in various physiological states and diseases.
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Affiliation(s)
- Wai-Him Chan
- State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, 999078, Macao, China
| | - Lee-Fong Yau
- State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, 999078, Macao, China
| | - Xiong-Yu Meng
- State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, 999078, Macao, China
| | - Ka-Man Chan
- State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, 999078, Macao, China
| | - Zhi-Hong Jiang
- State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, 999078, Macao, China
| | - Jing-Rong Wang
- State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, 999078, Macao, China; State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, China; Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou, 510000, China.
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5
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Suteanu-Simulescu A, Sarbu M, Ica R, Petrica L, Zamfir AD. Ganglioside analysis in body fluids by liquid-phase separation techniques hyphenated to mass spectrometry. Electrophoresis 2023; 44:501-520. [PMID: 36416190 DOI: 10.1002/elps.202200229] [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: 09/20/2022] [Revised: 11/04/2022] [Accepted: 11/16/2022] [Indexed: 11/24/2022]
Abstract
The expression of gangliosides in central nervous system is a few times higher than in the extraneural tissue, a characteristic highlighting their major role at this level. Although in very low amounts, gangliosides are ubiquitously distributed in body fluids too, where, depending on many factors, including pathological states, their composition fluctuates, thus having diagnostic value. Ganglioside investigation in biological fluids, which, except for cerebrospinal fluid (CSF), may be sampled noninvasively, was for years impeded by the limited sensitivity of the analytical instrumentation available in glycomics. However, because the last decade has witnessed significant developments in biological mass spectrometry (MS) and the hyphenated separation techniques, marked by a major increase in sensitivity, reproducibility, and data reliability, ganglioside research started to be focused on biofluid analysis by separation techniques coupled to MS. In this context, our review presents the achievements in this emerging field of gangliosidomics, with a particular emphasis on modern liquid chromatography (LC), thin-layer chromatography, hydrophilic interaction LC, and ion mobility separation coupled to high-performance MS, as well as the results generated by these systems and allied experimental procedures in profiling and structural analysis of gangliosides in healthy or diseased body fluids, such as CSF, plasma/serum, and milk.
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Affiliation(s)
- Anca Suteanu-Simulescu
- Department of Internal Medicine II, Division of Nephrology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,Department of Nephrology, County Emergency Hospital, Timisoara, Romania.,Centre for Molecular Research in Nephrology and Vascular Disease, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Mirela Sarbu
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Raluca Ica
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania.,Department of Physics, West University of Timisoara, Timisoara, Romania
| | - Ligia Petrica
- Department of Internal Medicine II, Division of Nephrology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,Department of Nephrology, County Emergency Hospital, Timisoara, Romania.,Centre for Molecular Research in Nephrology and Vascular Disease, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,Department of Neurosciences, Centre for Cognitive Research in Neuropsychiatric Pathology (NeuroPsy-Cog), "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Alina Diana Zamfir
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania.,Department of Technical and Natural Sciences, "Aurel Vlaicu" University of Arad, Arad, Romania
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6
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Grabarics M, Lettow M, Kirschbaum C, Greis K, Manz C, Pagel K. Mass Spectrometry-Based Techniques to Elucidate the Sugar Code. Chem Rev 2022; 122:7840-7908. [PMID: 34491038 PMCID: PMC9052437 DOI: 10.1021/acs.chemrev.1c00380] [Citation(s) in RCA: 61] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Indexed: 12/22/2022]
Abstract
Cells encode information in the sequence of biopolymers, such as nucleic acids, proteins, and glycans. Although glycans are essential to all living organisms, surprisingly little is known about the "sugar code" and the biological roles of these molecules. The reason glycobiology lags behind its counterparts dealing with nucleic acids and proteins lies in the complexity of carbohydrate structures, which renders their analysis extremely challenging. Building blocks that may differ only in the configuration of a single stereocenter, combined with the vast possibilities to connect monosaccharide units, lead to an immense variety of isomers, which poses a formidable challenge to conventional mass spectrometry. In recent years, however, a combination of innovative ion activation methods, commercialization of ion mobility-mass spectrometry, progress in gas-phase ion spectroscopy, and advances in computational chemistry have led to a revolution in mass spectrometry-based glycan analysis. The present review focuses on the above techniques that expanded the traditional glycomics toolkit and provided spectacular insight into the structure of these fascinating biomolecules. To emphasize the specific challenges associated with them, major classes of mammalian glycans are discussed in separate sections. By doing so, we aim to put the spotlight on the most important element of glycobiology: the glycans themselves.
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Affiliation(s)
- Márkó Grabarics
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
- Department
of Molecular Physics, Fritz Haber Institute
of the Max Planck Society, Faradayweg 4−6, 14195 Berlin, Germany
| | - Maike Lettow
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
- Department
of Molecular Physics, Fritz Haber Institute
of the Max Planck Society, Faradayweg 4−6, 14195 Berlin, Germany
| | - Carla Kirschbaum
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
- Department
of Molecular Physics, Fritz Haber Institute
of the Max Planck Society, Faradayweg 4−6, 14195 Berlin, Germany
| | - Kim Greis
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
- Department
of Molecular Physics, Fritz Haber Institute
of the Max Planck Society, Faradayweg 4−6, 14195 Berlin, Germany
| | - Christian Manz
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
- Department
of Molecular Physics, Fritz Haber Institute
of the Max Planck Society, Faradayweg 4−6, 14195 Berlin, Germany
| | - Kevin Pagel
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
- Department
of Molecular Physics, Fritz Haber Institute
of the Max Planck Society, Faradayweg 4−6, 14195 Berlin, Germany
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7
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Ion Mobility Mass Spectrometry Reveals Rare Sialylated Glycosphingolipid Structures in Human Cerebrospinal Fluid. Molecules 2022; 27:molecules27030743. [PMID: 35164008 PMCID: PMC8839488 DOI: 10.3390/molecules27030743] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 01/27/2023] Open
Abstract
Gangliosides (GGs) represent an important class of biomolecules associated with the central nervous system (CNS). In view of their special role at a CNS level, GGs are valuable diagnostic markers and prospective therapeutic agents. By ion mobility separation mass spectrometry (IMS MS), recently implemented by us in the investigation of human CNS gangliosidome, we previously discovered a similarity between GG profiles in CSF and the brain. Based on these findings, we developed IMS tandem MS (MS/MS) to characterize rare human CSF glycoforms, with a potential biomarker role. To investigate the oligosaccharide and ceramide structures, the ions detected following IMS MS separation were submitted to structural analysis by collision-induced dissociation (CID) MS/MS in the transfer cell. The IMS evidence on only one mobility feature, together with the diagnostic fragment ions, allowed the unequivocal identification of isomers in the CSF. Hence, by IMS MS/MS, GalNAc-GD1c(d18:1/18:1) and GalNAc-GD1c(d18:1/18:0) having both Neu5Ac residues and GalNAc attached to the external galactose were for the first time discovered and structurally characterized. The present results demonstrate the high potential of IMS MS/MS for biomarker discovery and characterization in body fluids, and the perspectives of method implementation in clinical analyses targeting the early diagnosis of CNS diseases through molecular fingerprints.
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8
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Gangliosides as Biomarkers of Human Brain Diseases: Trends in Discovery and Characterization by High-Performance Mass Spectrometry. Int J Mol Sci 2022; 23:ijms23020693. [PMID: 35054879 PMCID: PMC8775466 DOI: 10.3390/ijms23020693] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 12/16/2022] Open
Abstract
Gangliosides are effective biochemical markers of brain pathologies, being also in the focus of research as potential therapeutic targets. Accurate brain ganglioside mapping is an essential requirement for correlating the specificity of their composition with a certain pathological state and establishing a well-defined set of biomarkers. Among all bioanalytical methods conceived for this purpose, mass spectrometry (MS) has developed into one of the most valuable, due to the wealth and consistency of structural information provided. In this context, the present article reviews the achievements of MS in discovery and structural analysis of gangliosides associated with severe brain pathologies. The first part is dedicated to the contributions of MS in the assessment of ganglioside composition and role in the specific neurodegenerative disorders: Alzheimer’s and Parkinson’s diseases. A large subsequent section is devoted to cephalic disorders (CD), with an emphasis on the MS of gangliosides in anencephaly, the most common and severe disease in the CD spectrum. The last part is focused on the major accomplishments of MS-based methods in the discovery of ganglioside species, which are associated with primary and secondary brain tumors and may either facilitate an early diagnosis or represent target molecules for immunotherapy oriented against brain cancers.
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9
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Law KP, He W, Tao J, Zhang C. A Novel Approach to Characterize the Lipidome of Marine Archaeon Nitrosopumilus maritimus by Ion Mobility Mass Spectrometry. Front Microbiol 2021; 12:735878. [PMID: 34925256 PMCID: PMC8674956 DOI: 10.3389/fmicb.2021.735878] [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: 07/03/2021] [Accepted: 10/18/2021] [Indexed: 11/13/2022] Open
Abstract
Archaea are differentiated from the other two domains of life by their biomolecular characteristics. One such characteristic is the unique structure and composition of their lipids. Characterization of the whole set of lipids in a biological system (the lipidome) remains technologically challenging. This is because the lipidome is innately complex, and not all lipid species are extractable, separable, or ionizable by a single analytical method. Furthermore, lipids are structurally and chemically diverse. Many lipids are isobaric or isomeric and often indistinguishable by the measurement of mass or even their fragmentation spectra. Here we developed a novel analytical protocol based on liquid chromatography ion mobility mass spectrometry to enhance the coverage of the lipidome and characterize the conformations of archaeal lipids by their collision cross-sections (CCSs). The measurements of ion mobility revealed the gas-phase ion chemistry of representative archaeal lipids and provided further insights into their attributions to the adaptability of archaea to environmental stresses. A comprehensive characterization of the lipidome of mesophilic marine thaumarchaeon, Nitrosopumilus maritimus (strain SCM1) revealed potentially an unreported phosphate- and sulfate-containing lipid candidate by negative ionization analysis. It was the first time that experimentally derived CCS values of archaeal lipids were reported. Discrimination of crenarchaeol and its proposed stereoisomer was, however, not achieved with the resolving power of the SYNAPT G2 ion mobility system, and a high-resolution ion mobility system may be required for future work. Structural and spectral libraries of archaeal lipids were constructed in non-vendor-specific formats and are being made available to the community to promote research of Archaea by lipidomics.
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Affiliation(s)
- Kai P Law
- Southern University of Science and Technology, SUSTech Academy for Advanced Interdisciplinary Studies, Shenzhen, China.,Shenzhen Key Laboratory of Marine Archaea Geo-Omics, Southern University of Science and Technology, Shenzhen, China.,Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Wei He
- Shenzhen Key Laboratory of Marine Archaea Geo-Omics, Southern University of Science and Technology, Shenzhen, China.,Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Jianchang Tao
- Shenzhen Key Laboratory of Marine Archaea Geo-Omics, Southern University of Science and Technology, Shenzhen, China.,Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Chuanlun Zhang
- Shenzhen Key Laboratory of Marine Archaea Geo-Omics, Southern University of Science and Technology, Shenzhen, China.,Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China.,Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
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10
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Sarbu M, Petrica L, Clemmer DE, Vukelić Ž, Zamfir AD. Gangliosides of Human Glioblastoma Multiforme: A Comprehensive Mapping and Structural Analysis by Ion Mobility Tandem Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:1249-1257. [PMID: 33900081 DOI: 10.1021/jasms.1c00088] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Glioblastoma multiforme (GBM), a malignant, highly aggressive, grade IV brain tumor, which rapidly infiltrates into the nearby tissue, has drawn a significant amount of attention because of its poor prognosis and the limited treatment options available. In GBM, nearly all tumor cells exhibit aberrant cell-surface glycosylation patterns due to the alteration of their biosynthesis or postsynthesis modification process. Since gangliosides (GGs) are acknowledged as tumor-associated antigens, we have carried out here a comprehensive profiling of native ganglioside mixtures extracted and purified from GBM specimens. For this purpose, high performance ion mobility separation mass spectrometry (IMS MS) was thoroughly optimized to allow the discovery of GBM-specific structures and the assessment of their roles as tumor markers or possible associated antigens. GG separation by IMS according to the charge state, carbohydrate chain length, degree of sialylation, and ceramide composition led to the identification of no less than 160 distinct components, which represents 3-fold the number of structures identified before. The detected GGs and asialo-GGs were found characterized by a high heterogeneity in their ceramide and glycan compositions, encompassing up five Neu5Ac residues. The tumor was found dominated in equal and high proportions by GD3 and GT1 forms, with a particular incidence of C24:1 fatty acids in the ceramide. By the occurrence of only one mobility feature and the diagnostic fragment ions, the IMS tandem MS conducted using collision-induced dissociation (CID) disclosed for the first time the presence of GT1c(d18:1/24:1) newly proposed here as a potential GBM marker.
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Affiliation(s)
- Mirela Sarbu
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, 300224, Timisoara, Romania
- Faculty of Physics, West University of Timisoara, 300223, Timisoara, Romania
| | - Ligia Petrica
- Department of Internal Medicine II - Division of Nephrology, County Emergency Hospital Timisoara and Centers for Molecular Research in Nephrology and Vascular Diseases, Translational Research and Systems and Cognitive Research in Neuropsychiatric Pathology, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, 300041, Timisoara, Romania
| | - David E Clemmer
- Department of Chemistry, The College of Arts and Science, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Željka Vukelić
- Department of Chemistry and Biochemistry, Faculty of Medicine, University of Zagreb, Zagreb 10000, Croatia
| | - Alina D Zamfir
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, 300224, Timisoara, Romania
- Department of Technical and Natural Sciences, "Aurel Vlaicu" University of Arad, 310130, Arad, Romania
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11
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Sarbu M, Ica R, Zamfir AD. Developments and applications of separation and microfluidics methods coupled to electrospray mass spectrometry in glycomics of nervous system gangliosides. Electrophoresis 2021; 42:429-449. [PMID: 33314304 DOI: 10.1002/elps.202000236] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 11/26/2020] [Accepted: 12/07/2020] [Indexed: 01/19/2023]
Abstract
Gangliosides are particularly abundant in the nervous system (NS) where their pattern and structure in a certain milieu or a defined region exhibit a pronounced specificity. Since gangliosides are useful biomarkers for diagnosis of NS ailments, a clear-cut mapping of individual components represents a prerequisite for designing ganglioside-based diagnostic procedures, treatments, or vaccines. These bioclinical aspects and the high diversity of ganglioside species claim for development of specific analytical strategies. This review summarizes the state-of-the-art in the implementation of separation techniques and microfluidics coupled to MS, which have contributed significantly to the advancement of the field. In the first part, the review discusses relevant approaches based on HPLC MS and CE coupled to ESI MS and their applications in the characterization of gangliosides expressed in healthy and diseased NS. A considerable section is dedicated to microfluidics MS and ion mobility separation MS, developed for the study of brain gangliosidome and its changes triggered by various factors, as well as for ganglioside biomarker discovery in neurodegenerative diseases and brain cancer. In the last part of the review, the benefits and perspectives in ganglioside research of these high-performance techniques are presented.
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Affiliation(s)
- Mirela Sarbu
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Raluca Ica
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania.,Department of Physics, West University of Timisoara, Timisoara, Romania
| | - Alina D Zamfir
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania.,Department of Technical and Natural Sciences, "Aurel Vlaicu" University of Arad, Arad, Romania
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Sarbu M, Clemmer DE, Zamfir AD. Ion mobility mass spectrometry of human melanoma gangliosides. Biochimie 2020; 177:226-237. [DOI: 10.1016/j.biochi.2020.08.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/05/2020] [Accepted: 08/18/2020] [Indexed: 02/09/2023]
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Ica R, Petrut A, Munteanu CVA, Sarbu M, Vukelić Ž, Petrica L, Zamfir AD. Orbitrap mass spectrometry for monitoring the ganglioside pattern in human cerebellum development and aging. JOURNAL OF MASS SPECTROMETRY : JMS 2020; 55:e4502. [PMID: 31961034 DOI: 10.1002/jms.4502] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 01/15/2020] [Accepted: 01/16/2020] [Indexed: 06/10/2023]
Abstract
We have developed here a superior approach based on high-resolution (HR) mass spectrometry (MS) for monitoring the changes occurring with development and aging in the composition and structure of cerebellar gangliosidome. The experiments were focused on the comparative screening and structural analysis of gangliosides expressed in fetal and aged cerebellum by Orbitrap MS with nanoelectrospray ionization (nanoESI) in the negative ion mode. The employed ultrahigh-resolution MS platform allowed the discrimination, without the need of previous separation, of 159 ions corresponding to 120 distinct species in the native ganglioside mixtures from fetal and aged cerebellar biopsies, many more than detected before, when MS platforms of lower resolution were employed. A number of gangliosides, in particular polysialylated belonging to GT, GQ, GP, and GS classes, modified by O-fucosylation, O-acetylation, or CH3 COO- were discovered here, for the first time in human cerebellum. These components, found differently expressed in fetal and aged tissues, indicated that the ganglioside profile in cerebellum is development stage- and age-specific. Following the fragmentation analysis by high-energy collision-induced dissociation (HCD) tandem MS (MS/MS), we have also observed that the intimate structure of certain compounds has not changed during the development and aging of the brain, an aspect which could open new directions in the investigation of ganglioside biomarkers in cerebellar tissue.
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Affiliation(s)
- Raluca Ica
- Department of Mass Spectrometry, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
- Faculty of Physics, West University of Timisoara, Timisoara, Romania
| | - Alina Petrut
- Department of Mass Spectrometry, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Cristian V A Munteanu
- Molecular Cell Biology Department, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Mirela Sarbu
- Department of Mass Spectrometry, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Željka Vukelić
- Department of Chemistry and Biochemistry, University of Zagreb Medical School, Zagreb, Croatia
| | - Ligia Petrica
- Department of Nephrology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Alina D Zamfir
- Department of Mass Spectrometry, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
- Department for Research, Development, Innovation in Technical and Natural Sciences, "Aurel Vlaicu" University of Arad, Arad, Romania
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Sarbu M, Raab S, Henderson L, Fabris D, Vukelić Ž, Clemmer DE, Zamfir AD. Cerebrospinal fluid: Profiling and fragmentation of gangliosides by ion mobility mass spectrometry. Biochimie 2020; 170:36-48. [DOI: 10.1016/j.biochi.2019.12.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 12/14/2019] [Indexed: 11/30/2022]
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Sarbu M, Dehelean L, Munteanu CVA, Ica R, Petrescu AJ, Zamfir AD. Human caudate nucleus exhibits a highly complex ganglioside pattern as revealed by high-resolution multistage Orbitrap MS. J Carbohydr Chem 2019. [DOI: 10.1080/07328303.2019.1669632] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mirela Sarbu
- Department of Applied Physics, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Liana Dehelean
- Department of Neurosciences, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
| | - Cristian V. A. Munteanu
- Department of Bioinformatics and Structural Biochemistry, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Raluca Ica
- Department of Applied Physics, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Andrei J. Petrescu
- Department of Bioinformatics and Structural Biochemistry, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Alina D. Zamfir
- Department of Applied Physics, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
- Department of Technical and Natural Sciences, “Aurel Vlaicu” University of Arad, Arad, Romania
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Li Q, Xie Y, Wong M, Lebrilla CB. Characterization of Cell Glycocalyx with Mass Spectrometry Methods. Cells 2019; 8:E882. [PMID: 31412618 PMCID: PMC6721671 DOI: 10.3390/cells8080882] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/05/2019] [Accepted: 08/12/2019] [Indexed: 02/06/2023] Open
Abstract
The cell membrane plays an important role in protecting the cell from its extracellular environment. As such, extensive work has been devoted to studying its structure and function. Crucial intercellular processes, such as signal transduction and immune protection, are mediated by cell surface glycosylation, which is comprised of large biomolecules, including glycoproteins and glycosphingolipids. Because perturbations in glycosylation could result in dysfunction of cells and are related to diseases, the analysis of surface glycosylation is critical for understanding pathogenic mechanisms and can further lead to biomarker discovery. Different mass spectrometry-based techniques have been developed for glycan analysis, ranging from highly specific, targeted approaches to more comprehensive profiling studies. In this review, we summarized the work conducted for extensive analysis of cell membrane glycosylation, particularly those employing liquid chromatography with mass spectrometry (LC-MS) in combination with various sample preparation techniques.
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Affiliation(s)
- Qiongyu Li
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Yixuan Xie
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Maurice Wong
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Carlito B Lebrilla
- Department of Chemistry, University of California, Davis, CA 95616, USA.
- Department of Biochemistry, University of California, Davis, CA 95616, USA.
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Sarbu M, Ica R, Petrut A, Vukelić Ž, Munteanu CVA, Petrescu AJ, Zamfir AD. Gangliosidome of human anencephaly: A high resolution multistage mass spectrometry study. Biochimie 2019; 163:142-151. [PMID: 31201844 DOI: 10.1016/j.biochi.2019.05.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 05/28/2019] [Indexed: 11/17/2022]
Abstract
Widely dispersed throughout the entire body tissues, gangliosides (GGs) are essential components of neuronal cell membranes, where exhibit a vital role in neuronal function and brain development, directly influencing the neural tube formation, neurogenesis, neurotransmission, etc. Due to several factors, partial or complete closing faults of the fetal neural tube may occur in the first trimester of pregnancy, generating a series of neural tube defects (NTD), among which anencephaly. The absence in anencephaly of the forebrain and skull bones determines the exposure to the amniotic fluid of the remaining brain tissue and the spinal cord, causing the degeneration of the nervous system tissue. Based on the previously achieved information related to the direct alteration of neural development with deficient concentration of several GGs, a systematic and comparative mass spectrometry (MS) mapping assay on GGs originating from fetuses in different intrauterine developmental stages, i.e. the 29th (denoted An29), 35th (An35) and the 37th (An37) gestational weeks was here conducted. Our approach, based on Orbitrap MS under high sensitivity, resolution and mass accuracy conditions, enabled for the first time the nanoelectrospray ionization, detection and identification of over 150 glycoforms, mainly novel, polysialylated species. Such a pattern, specific for incipient developmental stages reliably documents the brain development stagnation, characteristic for anencephaly. Further, the fragmentation MS2-MS3 experiments by collision induced dissociation (CID) confirmed the incidence in all three samples of GT2(d18:1/16:2) as a potential biomarker. Therefore, this fingerprinting of the anencephalic gangliosidome may serve in development of approaches for routine screening and early diagnosis.
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Affiliation(s)
- Mirela Sarbu
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Raluca Ica
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Alina Petrut
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Željka Vukelić
- Department of Chemistry and Biochemistry, University of Zagreb Medical School, Zagreb, Croatia
| | | | - Andrei J Petrescu
- Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Alina D Zamfir
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania; "Aurel Vlaicu" University of Arad, Arad, Romania.
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Chouinard CD, Nagy G, Smith RD, Baker ES. Ion Mobility-Mass Spectrometry in Metabolomic, Lipidomic, and Proteomic Analyses. ADVANCES IN ION MOBILITY-MASS SPECTROMETRY: FUNDAMENTALS, INSTRUMENTATION AND APPLICATIONS 2019. [DOI: 10.1016/bs.coac.2018.11.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Zeiner PS, Brandhofe A, Müller-Eschner M, Steinmetz H, Pfeilschifter W. Area postrema syndrome as frequent feature of Bickerstaff brainstem encephalitis. Ann Clin Transl Neurol 2018; 5:1534-1542. [PMID: 30564620 PMCID: PMC6292382 DOI: 10.1002/acn3.666] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 08/27/2018] [Accepted: 09/10/2018] [Indexed: 01/12/2023] Open
Abstract
Objective Area postrema (AP) syndrome (defined as: nausea and/or emesis and/or singultus at onset of brainstem dysfunction) comprises complex pathophysiologic mechanisms triggered by different entities. The first objective was to assess the frequency of AP syndrome as a clinical feature in brainstem encephalitis (BE). Finding an especially high prevalence of AP syndrome in Bickerstaff brainstem encephalitis (BBE), we also analyzed the frequency of AP syndrome in other autoimmune diseases with anti-ganglioside antibodies (Guillain-Barré syndrome (GBS) and its variants). Methods We systematically evaluated the prevalence of AP syndrome in BE in all patients treated at our university hospital during a 15-year period. In a second step, BBE patients were compared to GBS and Miller Fisher syndrome (MFS) patients as clinical subtypes of a disease continuum without brainstem dysfunction. Results We found AP syndrome in 8 of 21 BE patients, including 3 of 7 BBE and in 4 of 112 GBS/MFS patients. AP syndrome was as a frequent but under-recognized feature of BE with a significant impact on patients' well being. Interpretation Manifestation of AP syndrome in BBE but also in GBS and its subtypes point toward a role of autoimmune antibodies that should be investigated in future studies. Considerable misdiagnosis or nonrecognition complicates diagnostic and therapeutic management. Therefore, AP syndrome should be considered in any episode of otherwise unexplained nausea, emesis, or singultus.
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Affiliation(s)
- Pia S Zeiner
- Department of Neurology University Hospital/Goethe University Frankfurt Schleusenweg 2-16 Frankfurt/Main 60528 Germany.,Dr. Senckenberg Institute of Neurooncology University Hospital/Goethe University Frankfurt Heinrich-Hoffmann-Strasse 7 Frankfurt/Main 60528 Germany
| | - Annemarie Brandhofe
- Department of Neurology University Hospital/Goethe University Frankfurt Schleusenweg 2-16 Frankfurt/Main 60528 Germany
| | - Monika Müller-Eschner
- Institute of Neuroradiology University Hospital/Goethe University Frankfurt Schleusenweg 2-16 Frankfurt/Main 60528 Germany
| | - Helmuth Steinmetz
- Department of Neurology University Hospital/Goethe University Frankfurt Schleusenweg 2-16 Frankfurt/Main 60528 Germany
| | - Waltraud Pfeilschifter
- Department of Neurology University Hospital/Goethe University Frankfurt Schleusenweg 2-16 Frankfurt/Main 60528 Germany
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Di Giovanni JP, Barkley RM, Jones DNM, Hankin JA, Murphy RC. Tandem Mass Spectrometry and Ion Mobility Reveals Structural Insight into Eicosanoid Product Ion Formation. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2018; 29:1231-1241. [PMID: 29687419 PMCID: PMC6004252 DOI: 10.1007/s13361-018-1927-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 02/23/2018] [Accepted: 02/23/2018] [Indexed: 05/05/2023]
Abstract
Ion mobility measurements of product ions were used to characterize the collisional cross section (CCS) of various complex lipid [M-H]- ions using traveling wave ion mobility mass spectrometry (TWIMS). TWIMS analysis of various product ions derived after collisional activation of mono- and dihydroxy arachidonate metabolites was found to be more complex than the analysis of intact molecular ions and provided some insight into molecular mechanisms involved in product ion formation. The CCS observed for the molecular ion [M-H]- and certain product ions were consistent with a folded ion structure, the latter predicted by the proposed mechanisms of product ion formation. Unexpectedly, product ions from [M-H-H2O-CO2]- and [M-H-H2O]- displayed complex ion mobility profiles suggesting multiple mechanisms of ion formation. The [M-H-H2O]- ion from LTB4 was studied in more detail using both nitrogen and helium as the drift gas in the ion mobility cell. One population of [M-H-H2O]- product ions from LTB4 was consistent with formation of covalent ring structures, while the ions displaying a higher CCS were consistent with a more open-chain structure. Using molecular dynamics and theoretical CCS calculations, energy minimized structures of those product ions with the open-chain structures were found to have a higher CCS than a folded molecular ion structure. The measurement of product ion mobility can be an additional and unique signature of eicosanoids measured by LC-MS/MS techniques. Graphical Abstract ᅟ.
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Affiliation(s)
- James P Di Giovanni
- Department of Pharmacology, University of Colorado Denver, Mail Stop 8303, 12801 E. 17th Ave, Aurora, CO, 80045, USA
| | - Robert M Barkley
- Department of Pharmacology, University of Colorado Denver, Mail Stop 8303, 12801 E. 17th Ave, Aurora, CO, 80045, USA
| | - David N M Jones
- Department of Pharmacology, University of Colorado Denver, Mail Stop 8303, 12801 E. 17th Ave, Aurora, CO, 80045, USA
| | - Joseph A Hankin
- Department of Pharmacology, University of Colorado Denver, Mail Stop 8303, 12801 E. 17th Ave, Aurora, CO, 80045, USA
| | - Robert C Murphy
- Department of Pharmacology, University of Colorado Denver, Mail Stop 8303, 12801 E. 17th Ave, Aurora, CO, 80045, USA.
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Sarbu M, Zamfir AD. Modern separation techniques coupled to high performance mass spectrometry for glycolipid analysis. Electrophoresis 2018; 39:1155-1170. [DOI: 10.1002/elps.201700461] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 01/15/2018] [Accepted: 01/15/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Mirela Sarbu
- National Institute for Research and Development in Electrochemistry and Condensed Matter; Timisoara Romania
| | - Alina Diana Zamfir
- National Institute for Research and Development in Electrochemistry and Condensed Matter; Timisoara Romania
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Sarbu M, Vukelić Ž, Clemmer DE, Zamfir AD. Ion mobility mass spectrometry provides novel insights into the expression and structure of gangliosides in the normal adult human hippocampus. Analyst 2018; 143:5234-5246. [DOI: 10.1039/c8an01118d] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
General work-flow for ganglioside analysis by IM-MS.
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Affiliation(s)
- Mirela Sarbu
- National Institute for Research and Development in Electrochemistry and Condensed Matter
- Timisoara
- Romania
| | - Željka Vukelić
- Department of Chemistry and Biochemistry
- University of Zagreb Medical School
- Zagreb
- Croatia
| | | | - Alina D. Zamfir
- National Institute for Research and Development in Electrochemistry and Condensed Matter
- Timisoara
- Romania
- “Aurel Vlaicu” University of Arad
- Arad
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Morrison KA, Clowers BH. Contemporary glycomic approaches using ion mobility-mass spectrometry. Curr Opin Chem Biol 2017; 42:119-129. [PMID: 29248736 DOI: 10.1016/j.cbpa.2017.11.020] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/27/2017] [Accepted: 11/30/2017] [Indexed: 10/18/2022]
Abstract
Characterization of complex oligosaccharides has historically required extensive sample handling and separations before analysis using nuclear magnetic resonance spectroscopy and electron impact mass spectra following hydrolysis, derivatization, and gas chromatographic separation. Advances in liquid chromatography separations and tandem mass spectrometry have expanded the range of intact glycan analysis, but carbohydrate structure and conformation-integral chemical characteristics-are often difficult to assess with minimal amounts of sample in a rapid fashion. Because ion mobility spectrometry (IMS) separates analytes based upon an effective 'size-to-charge' ratio, IMS is, by extension, highly applicable to glycomics. Furthermore, the speed of IMS, its growing levels of separation efficiency, and direct compatibility with all forms of mass spectrometry, illustrates is core role in the future of glycomics efforts. This review assesses the current state of ion mobility-mass spectrometry applied to glycan, glycoprotein, and glycoconjugate analysis. Currently, assessing optimal ion polarity and adduct type for a glycan class along with the appropriate tandem mass spectrometry technique underpin many of the current glycan analysis efforts using ion mobility-mass spectrometry (IMMS). Once determined, these parameters have enabled a growing and impressive range of glycomics campaigns employing this technique. Additionally, the combination of IMS with tandem mass spectrometry, and even spectroscopic methods, further expands the dimensionality of hybrid instrumentation to provide a more comprehensive assessment of glycan structure across a wide dynamic range. Continued computational efforts to complement experimental and instrumental advancements also serve as a core component of IMMS workflows applied to glycomics and promise to maximize the information gained from mobility separations.
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Affiliation(s)
- Kelsey A Morrison
- Department of Chemistry, Washington State University, Pullman, WA 99164, United States
| | - Brian H Clowers
- Department of Chemistry, Washington State University, Pullman, WA 99164, United States.
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Cozma II, Sarbu M, Ilie C, Zamfir AD. Structural analysis by electrospray ionization mass spectrometry of GT1 ganglioside fraction isolated from fetal brain. J Carbohydr Chem 2017. [DOI: 10.1080/07328303.2017.1397680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Irma I. Cozma
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
| | - Mirela Sarbu
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
- Department of the Analysis and Modeling of Biological Systems, “Aurel Vlaicu” University of Arad, Arad, Romania
| | - Constantin Ilie
- Department of Neonatology, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
| | - Alina D. Zamfir
- National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
- Department of the Analysis and Modeling of Biological Systems, “Aurel Vlaicu” University of Arad, Arad, Romania
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