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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2017-2018. MASS SPECTROMETRY REVIEWS 2023; 42:227-431. [PMID: 34719822 DOI: 10.1002/mas.21721] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
This review is the tenth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2018. Also included are papers that describe methods appropriate to glycan and glycoprotein analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, new methods, matrices, derivatization, MALDI imaging, fragmentation and the use of arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Most of the applications are presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. The reported work shows increasing use of combined new techniques such as ion mobility and highlights the impact that MALDI imaging is having across a range of diciplines. MALDI is still an ideal technique for carbohydrate analysis and advancements in the technique and the range of applications continue steady progress.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
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Petralia LMC, Santha E, Behrens AJ, Nguyen DL, Ganatra MB, Taron CH, Khatri V, Kalyanasundaram R, van Diepen A, Hokke CH, Foster JM. Alteration of rhesus macaque serum N-glycome during infection with the human parasitic filarial nematode Brugia malayi. Sci Rep 2022; 12:15763. [PMID: 36131114 PMCID: PMC9491660 DOI: 10.1038/s41598-022-19964-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 09/07/2022] [Indexed: 11/09/2022] Open
Abstract
Serum N-glycan profiling studies during the past decades have shown robust associations between N-glycan changes and various biological conditions, including infections, in humans. Similar studies are scarcer for other mammals, despite the tremendous potential of serum N-glycans as biomarkers for infectious diseases in animal models of human disease and in the veterinary context. To expand the knowledge of serum N-glycan profiles in important mammalian model systems, in this study, we combined MALDI-TOF-MS analysis and HILIC-UPLC profiling of released N-glycans together with glycosidase treatments to characterize the glycan structures present in rhesus macaque serum. We used this baseline to monitor changes in serum N-glycans during infection with Brugia malayi, a parasitic nematode of humans responsible for lymphatic filariasis, in a longitudinal cohort of infected rhesus macaques. Alterations of the HILIC-UPLC profile, notably of abundant structures, became evident as early as 5 weeks post-infection. Given its prominent role in the immune response, contribution of immunoglobulin G to serum N-glycans was investigated. Finally, comparison with similar N-glycan profiling performed during infection with the dog heartworm Dirofilaria immitis suggests that many changes observed in rhesus macaque serum N-glycans are specific for lymphatic filariasis.
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Affiliation(s)
- Laudine M C Petralia
- Division of Protein Expression and Modification, New England Biolabs, Ipswich, MA, 01938, USA.
- Department of Parasitology, Center of Infectious Diseases, Leiden University Medical Center, 2333 ZA, Leiden, The Netherlands.
| | - Esrath Santha
- Division of Protein Expression and Modification, New England Biolabs, Ipswich, MA, 01938, USA
| | - Anna-Janina Behrens
- Division of Protein Expression and Modification, New England Biolabs, Ipswich, MA, 01938, USA
| | - D Linh Nguyen
- Department of Parasitology, Center of Infectious Diseases, Leiden University Medical Center, 2333 ZA, Leiden, The Netherlands
| | - Mehul B Ganatra
- Division of Protein Expression and Modification, New England Biolabs, Ipswich, MA, 01938, USA
| | - Christopher H Taron
- Division of Protein Expression and Modification, New England Biolabs, Ipswich, MA, 01938, USA
| | - Vishal Khatri
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL, USA
| | - Ramaswamy Kalyanasundaram
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL, USA
| | - Angela van Diepen
- Department of Parasitology, Center of Infectious Diseases, Leiden University Medical Center, 2333 ZA, Leiden, The Netherlands
| | - Cornelis H Hokke
- Department of Parasitology, Center of Infectious Diseases, Leiden University Medical Center, 2333 ZA, Leiden, The Netherlands
| | - Jeremy M Foster
- Division of Protein Expression and Modification, New England Biolabs, Ipswich, MA, 01938, USA.
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Adjobimey T, Hoerauf A. Distinct N-Linked Immunoglobulin G Glycosylation Patterns Are Associated With Chronic Pathology and Asymptomatic Infections in Human Lymphatic Filariasis. Front Immunol 2022; 13:790895. [PMID: 35401511 PMCID: PMC8992374 DOI: 10.3389/fimmu.2022.790895] [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: 10/07/2021] [Accepted: 03/03/2022] [Indexed: 12/12/2022] Open
Abstract
Lymphatic filariasis presents a complex spectrum of clinical manifestations ranging from asymptomatic microfilariaemic (MF+) to chronic pathology (CP), including lymphedema and elephantiasis. Emerging evidence suggests a link between the physiopathology of filarial infections and antibody properties. Post-translational glycosylation has been shown to play a key role in the modulation of antibodies’ effector functions. Here, we investigated the link between total IgG-N-glycosylation patterns and the physiopathology of human lymphatic filariasis using UPLC-FLD/ESI-MS comparison of N-glycan profiles of total IgG purified from endemic normals (EN), MF+, and CP patients. We detected a total of 19 glycans released from all IgG samples. Strikingly, agalactosylated glycan residues were more prominent in EN, whereas sialylation and bisecting GlcNac correlated with asymptomatic infections. While IgG from all three clinical groups expressed high levels of fucosylated residues, significantly lower expressions of afucosylated IgG were seen in MF+ individuals compared to EN and CP. Our data reveal distinct N-linked IgG glycan profiles in EN, MF+, and CP and suggest that IgG galactosylation and sialylation are associated with chronic pathology, whereas agalactosylation correlates with putative immunity. The results also indicate a role for sialylation, fucosylation, and bisecting GlcNac in immune tolerance to the parasite. These findings highlight the link between N-glycosylation and the physiopathology of lymphatic filariasis and open new research avenues for next-generation therapeutic formulations against infectious diseases.
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Affiliation(s)
- Tomabu Adjobimey
- Institute of Medical Microbiology, Immunology and Parasitology Institut for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,Faculté des Sciences et Techniques (FAST), Université d'Abomey Calavi, Abomey Calavi, Benin
| | - Achim Hoerauf
- Institute of Medical Microbiology, Immunology and Parasitology Institut for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,Bonn-Cologne Site, German Center for Infectious Disease Research Deutsches Zentrum für Infektionsforschung (DZIF), Bonn, Germany
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