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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2021-2022. MASS SPECTROMETRY REVIEWS 2024. [PMID: 38925550 DOI: 10.1002/mas.21873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/05/2024] [Accepted: 02/12/2024] [Indexed: 06/28/2024]
Abstract
The use of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of carbohydrates and glycoconjugates is a well-established technique and this review is the 12th update of the original article published in 1999 and brings coverage of the literature to the end of 2022. As with previous review, this review also includes a few papers that describe methods appropriate to analysis by MALDI, such as sample preparation, even though the ionization method is not MALDI. The review follows the same format as previous reviews. It is divided into three sections: (1) general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, quantification and the use of computer software for structural identification. (2) Applications to various structural types such as oligo- and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals, and (3) other general areas such as medicine, industrial processes, natural products and glycan synthesis where MALDI is extensively used. Much of the material relating to applications is presented in tabular form. MALDI is still an ideal technique for carbohydrate analysis, particularly in its ability to produce single ions from each analyte and advancements in the technique and range of applications show little sign of diminishing.
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Osorio-Toro LM, Quintana-Ospina JH, Melo-Burbano LÁ, Ruiz-Jiménez PA, Daza-Arana JE, Rivas-Tafurt GP, Izquierdo-Loaiza JH. Autoimmune Hemolytic Anemia Caused by Cold Agglutinin Antibodies in Systemic Lupus erythematosus-a Rare Association: Case Report. J Blood Med 2023; 14:507-511. [PMID: 37692069 PMCID: PMC10488652 DOI: 10.2147/jbm.s420937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 08/11/2023] [Indexed: 09/12/2023] Open
Abstract
Autoimmune hemolytic anemias (AIHAs) are rare and heterogeneous disorders characterized by the destruction of red blood cells by warm or cold antibodies. Hemolytic anemia associated with warm antibodies is the most common, whereas cold antibodies are rare and infrequent in cases published in the scientific literature. Herein, we present the case of a young patient with systemic lupus erythematosus (SLE) and autoimmune hemolytic anemia caused by cold antibodies. Initially, infectious etiology and hematological malignancy were considered, which were ruled out. She required management in the intensive care unit due to severe hematological involvement and responded well to immunomodulatory therapy. This case illustrates the importance of a strong clinical suspicion of AIHA due to cold agglutinins associated with SLE when faced with similar clinical symptoms in order to achieve a timely diagnosis and provide optimal therapy.
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Affiliation(s)
- Luis Miguel Osorio-Toro
- Specialization in Internal Medicine, Department of Health, Universidad Santiago de Cali, Santiago de Cali, Colombia
- Department of Research and Education, Clínica de Occidente S.A, Santiago de Cali, Santiago de Cali, Colombia
- Genetics, Physiology, and Metabolism Research Group (GEFIME), Universidad Santiago de Cali, Santiago de Cali, Colombia
| | - Jhon Herney Quintana-Ospina
- Specialization in Internal Medicine, Department of Health, Universidad Santiago de Cali, Santiago de Cali, Colombia
- Department of Research and Education, Clínica de Occidente S.A, Santiago de Cali, Santiago de Cali, Colombia
- Genetics, Physiology, and Metabolism Research Group (GEFIME), Universidad Santiago de Cali, Santiago de Cali, Colombia
| | - Luis Álvaro Melo-Burbano
- Specialization in Internal Medicine, Department of Health, Universidad Santiago de Cali, Santiago de Cali, Colombia
- Department of Research and Education, Clínica de Occidente S.A, Santiago de Cali, Santiago de Cali, Colombia
- Genetics, Physiology, and Metabolism Research Group (GEFIME), Universidad Santiago de Cali, Santiago de Cali, Colombia
| | - Paola Andrea Ruiz-Jiménez
- Specialization in Internal Medicine, Department of Health, Universidad Santiago de Cali, Santiago de Cali, Colombia
- Department of Research and Education, Clínica de Occidente S.A, Santiago de Cali, Santiago de Cali, Colombia
- Genetics, Physiology, and Metabolism Research Group (GEFIME), Universidad Santiago de Cali, Santiago de Cali, Colombia
| | - Jorge Enrique Daza-Arana
- Specialization in Internal Medicine, Department of Health, Universidad Santiago de Cali, Santiago de Cali, Colombia
- Health and Movement Research Group, Universidad Santiago de Cali, Santiago de Cali, Colombia
| | - Giovanna Patricia Rivas-Tafurt
- Specialization in Internal Medicine, Department of Health, Universidad Santiago de Cali, Santiago de Cali, Colombia
- Department of Research and Education, Clínica de Occidente S.A, Santiago de Cali, Santiago de Cali, Colombia
| | - Jorge Hernán Izquierdo-Loaiza
- Specialization in Internal Medicine, Department of Health, Universidad Santiago de Cali, Santiago de Cali, Colombia
- Department of Research and Education, Clínica de Occidente S.A, Santiago de Cali, Santiago de Cali, Colombia
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Seo J, Kim Y, Ji S, Kim HB, Jung H, Yi EC, Lee YH, Shin I, Yang WH, Cho JW. O-GlcNAcylation of RIPK1 rescues red blood cells from necroptosis. Front Immunol 2023; 14:1160490. [PMID: 37359541 PMCID: PMC10289004 DOI: 10.3389/fimmu.2023.1160490] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
Necroptosis is a type of cell death with excessive inflammation and organ damage in various human diseases. Although abnormal necroptosis is common in patients with neurodegenerative, cardiovascular, and infectious diseases, the mechanisms by which O-GlcNAcylation contributes to the regulation of necroptotic cell death are poorly understood. In this study, we reveal that O-GlcNAcylation of RIPK1 (receptor-interacting protein kinase1) was decreased in erythrocytes of the mouse injected with lipopolysaccharide, resulting in the acceleration of erythrocyte necroptosis through increased formation of RIPK1-RIPK3 complex. Mechanistically, we discovered that O-GlcNAcylation of RIPK1 at serine 331 in human (corresponding to serine 332 in mouse) inhibits phosphorylation of RIPK1 at serine 166, which is necessary for the necroptotic activity of RIPK1 and suppresses the formation of the RIPK1-RIPK3 complex in Ripk1 -/- MEFs. Thus, our study demonstrates that RIPK1 O-GlcNAcylation serves as a checkpoint to suppress necroptotic signaling in erythrocytes.
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Affiliation(s)
- Junghwa Seo
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
| | - Yeolhoe Kim
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
- Department of Systems Biology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Suena Ji
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
| | - Han Byeol Kim
- Department of Molecular Medicine and Biopharmaceutical Sciences, School of Convergence Science and Technology and College of Medicine or College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Hyeryeon Jung
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, School of Convergence Science and Technology and College of Medicine or College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Eugene C. Yi
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, School of Convergence Science and Technology and College of Medicine or College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Yong-ho Lee
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Injae Shin
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
- Department of Chemistry, Yonsei University, Seoul, Republic of Korea
| | - Won Ho Yang
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
- Department of Systems Biology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Jin Won Cho
- Glycosylation Network Research Center, Yonsei University, Seoul, Republic of Korea
- Department of Systems Biology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
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N-glycans Profiling in Pilocarpine Induced Status Epilepticus in Immature Rats. EUROPEAN PHARMACEUTICAL JOURNAL 2022. [DOI: 10.2478/afpuc-2022-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Status epilepticus (SE) is a common neurological emergency in children and a well-known epileptogenic insult. Neonates are extremely susceptible to seizures in the neonatal period due to the higher vulnerability. Neonatal SE is associated with significant mortality and morbidity. There is an evident need for attention on neonatal SE in research due to the incredibly limited diagnostic and treatment options in current neonatology, and its serious long-term consequences. The aim of the present study was to characterize the glycoprofiles in the pilocarpine-induced SE model in immature rats to assess the overall N-glycans composition. To induce lithium-pilocarpine (Li-Pilo) SE male Wistar rat pups were pretreated with lithium chloride (127 mg/kg, n=11) on the 11th postnatal day. After 24 hours, the lithium pre-treated pups were administered either with pilocarpine intraperitoneally (i.p.) (35 kg/g, n=6) or saline (n=5) in the control group (Control). On the 19th postnatal day, serum was collected and the analytical procedures were done by mass spectrometry (MS) analytics on matrix-assisted laser desorption/ionization in combination with a time-of-flight detector (MALDI-TOF/MS). Analyzed data were processed by FlexAnalysis (Bruker Daltonics) and GlycoWorkbench software. There were 21 N-glycans that were identified, appointed, and sorted with special emphasis on their structure. We have demonstrated the significant changes in terms of N-glycans sialylation in Li-Pilo compared to the Control. We also observed some other remodelation trends in different portions of relative intenstities of N-glycan clusters according to their glycan type. Our preliminary findings have laid the foundation for additional investigation into glycosylation alterations in the SE in immature rats.
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Ben Ami Pilo H, Khan Khilji S, Lühle J, Biskup K, Levy Gal B, Rosenhek Goldian I, Alfandari D, Revach O, Kiper E, Morandi MI, Rotkopf R, Porat Z, Blanchard V, Seeberger PH, Regev‐Rudzki N, Moscovitz O. Sialylated N-glycans mediate monocyte uptake of extracellular vesicles secreted from Plasmodium falciparum-infected red blood cells. JOURNAL OF EXTRACELLULAR BIOLOGY 2022; 1:e33. [PMID: 38938665 PMCID: PMC11080922 DOI: 10.1002/jex2.33] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/17/2022] [Accepted: 01/26/2022] [Indexed: 06/29/2024]
Abstract
Glycoconjugates on extracellular vesicles (EVs) play a vital role in internalization and mediate interaction as well as regulation of the host immune system by viruses, bacteria, and parasites. During their intraerythrocytic life-cycle stages, malaria parasites, Plasmodium falciparum (Pf) mediate the secretion of EVs by infected red blood cells (RBCs) that carry a diverse range of parasitic and host-derived molecules. These molecules facilitate parasite-parasite and parasite-host interactions to ensure parasite survival. To date, the number of identified Pf genes associated with glycan synthesis and the repertoire of expressed glycoconjugates is relatively low. Moreover, the role of Pf glycans in pathogenesis is mostly unclear and poorly understood. As a result, the expression of glycoconjugates on Pf-derived EVs or their involvement in the parasite life-cycle has yet to be reported. Herein, we show that EVs secreted by Pf-infected RBCs carry significantly higher sialylated complex N-glycans than EVs derived from healthy RBCs. Furthermore, we reveal that EV uptake by host monocytes depends on N-glycoproteins and demonstrate that terminal sialic acid on the N-glycans is essential for uptake by human monocytes. Our results provide the first evidence that Pf exploits host sialylated N-glycans to mediate EV uptake by the human immune system cells.
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Affiliation(s)
- Hila Ben Ami Pilo
- Faculty of BiochemistryDepartment of Biomolecular SciencesWeizmann Institute of ScienceRehovotIsrael
| | - Sana Khan Khilji
- Department of Biomolecular SystemsMax‐Planck‐Institute of Colloids and InterfacesBerlinGermany
- Institute of Chemistry and BiochemistryFreie Universität BerlinBerlinGermany
| | - Jost Lühle
- Department of Biomolecular SystemsMax‐Planck‐Institute of Colloids and InterfacesBerlinGermany
- Institute of Chemistry and BiochemistryFreie Universität BerlinBerlinGermany
| | - Karina Biskup
- Institute of Laboratory MedicineClinical Chemistry and PathobiochemistryCharite University Medicine BerlinBerlinGermany
| | - Bar Levy Gal
- Flow Cytometry Unit, Life Sciences Core FacilitiesWeizmann Institute of ScienceRehovotIsrael
| | | | - Daniel Alfandari
- Faculty of BiochemistryDepartment of Biomolecular SciencesWeizmann Institute of ScienceRehovotIsrael
| | - Or‐Yam Revach
- Faculty of BiochemistryDepartment of Biomolecular SciencesWeizmann Institute of ScienceRehovotIsrael
| | - Edo Kiper
- Faculty of BiochemistryDepartment of Biomolecular SciencesWeizmann Institute of ScienceRehovotIsrael
| | - Mattia I. Morandi
- Faculty of BiochemistryDepartment of Biomolecular SciencesWeizmann Institute of ScienceRehovotIsrael
| | - Ron Rotkopf
- Bioinformatics Unit, Life Sciences Core FacilitiesWeizmann Institute of ScienceRehovotIsrael
| | - Ziv Porat
- Flow Cytometry Unit, Life Sciences Core FacilitiesWeizmann Institute of ScienceRehovotIsrael
| | - Véronique Blanchard
- Institute of Laboratory MedicineClinical Chemistry and PathobiochemistryCharite University Medicine BerlinBerlinGermany
| | - Peter H. Seeberger
- Department of Biomolecular SystemsMax‐Planck‐Institute of Colloids and InterfacesBerlinGermany
- Institute of Chemistry and BiochemistryFreie Universität BerlinBerlinGermany
| | - Neta Regev‐Rudzki
- Faculty of BiochemistryDepartment of Biomolecular SciencesWeizmann Institute of ScienceRehovotIsrael
| | - Oren Moscovitz
- Department of Biomolecular SystemsMax‐Planck‐Institute of Colloids and InterfacesBerlinGermany
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