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Wu Y, Zhang Z, Chen L, Sun S. Immunoglobulin G glycosylation and its alterations in aging-related diseases. Acta Biochim Biophys Sin (Shanghai) 2024. [PMID: 39126246 DOI: 10.3724/abbs.2024137] [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: 08/12/2024] Open
Abstract
Immunoglobulin G (IgG) is an important serum glycoprotein and a major component of antibodies. Glycans on IgG affect the binding of IgG to the Fc receptor or complement C1q, which in turn affects the biological activity and biological function of IgG. Altered glycosylation patterns on IgG emerge as important biomarkers in the aging process and age-related diseases. Key aging-related alterations observed in IgG glycosylation include reductions in galactosylation and sialylation, alongside increases in agalactosylation, and bisecting GlcNAc. Understanding the role of IgG glycosylation in aging-related diseases offers insights into disease mechanisms and provides opportunities for the development of diagnostic and therapeutic strategies. This review summarizes five aspects of IgG: an overview of IgG, IgG glycosylation, IgG glycosylation with inflammation mediation, IgG glycan changes with normal aging, as well as the relevance of IgG glycan changes to aging-related diseases. This review provides a reference for further investigation of the regulatory mechanisms of IgG glycosylation in aging-related diseases, as well as for evaluating the potential of IgG glycosylation changes as markers of aging and aging-related diseases.
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Visconti A, Rossi N, Bondt A, Ederveen AH, Thareja G, Koeleman CAM, Stephan N, Halama A, Lomax-Browne HJ, Pickering MC, Zhou XJ, Wuhrer M, Suhre K, Falchi M. The genetics and epidemiology of N- and O-immunoglobulin A glycomics. Genome Med 2024; 16:96. [PMID: 39123268 PMCID: PMC11312925 DOI: 10.1186/s13073-024-01369-6] [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: 01/13/2024] [Accepted: 07/26/2024] [Indexed: 08/12/2024] Open
Abstract
BACKGROUND Immunoglobulin (Ig) glycosylation modulates the immune response and plays a critical role in ageing and diseases. Studies have mainly focused on IgG glycosylation, and little is known about the genetics and epidemiology of IgA glycosylation. METHODS We generated, using a novel liquid chromatography-mass spectrometry method, the first large-scale IgA glycomics dataset in serum from 2423 twins, encompassing 71 N- and O-glycan species. RESULTS We showed that, despite the lack of a direct genetic template, glycosylation is highly heritable, and that glycopeptide structures are sex-specific, and undergo substantial changes with ageing. We observe extensive correlations between the IgA and IgG glycomes, and, exploiting the twin design, show that they are predominantly influenced by shared genetic factors. A genome-wide association study identified eight loci associated with both the IgA and IgG glycomes (ST6GAL1, ELL2, B4GALT1, ABCF2, TMEM121, SLC38A10, SMARCB1, and MGAT3) and two novel loci specifically modulating IgA O-glycosylation (C1GALT1 and ST3GAL1). Validation of our findings in an independent cohort of 320 individuals from Qatar showed that the underlying genetic architecture is conserved across ancestries. CONCLUSIONS Our study delineates the genetic landscape of IgA glycosylation and provides novel potential functional links with the aetiology of complex immune diseases, including genetic factors involved in IgA nephropathy risk.
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Affiliation(s)
- Alessia Visconti
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK
- Center for Biostatistics, Epidemiology and Public Health, Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | - Niccolò Rossi
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK
| | - Albert Bondt
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Agnes Hipgrave Ederveen
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Gaurav Thareja
- Department of Biophysics and Physiology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Carolien A M Koeleman
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Nisha Stephan
- Department of Biophysics and Physiology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Anna Halama
- Department of Biophysics and Physiology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Hannah J Lomax-Browne
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Matthew C Pickering
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Xu-Jie Zhou
- Renal Division, Peking University First Hospital, Beijing, China
- Peking University Institute of Nephrology, Beijing, China
- Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China
- Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Peking University, Beijing, China
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Karsten Suhre
- Department of Biophysics and Physiology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Mario Falchi
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK.
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Beyze A, Larroque C, Le Quintrec M. The role of antibody glycosylation in autoimmune and alloimmune kidney diseases. Nat Rev Nephrol 2024:10.1038/s41581-024-00850-0. [PMID: 38961307 DOI: 10.1038/s41581-024-00850-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2024] [Indexed: 07/05/2024]
Abstract
Immunoglobulin glycosylation is a pivotal mechanism that drives the diversification of antibody functions. The composition of the IgG glycome is influenced by environmental factors, genetic traits and inflammatory contexts. Differential IgG glycosylation has been shown to intricately modulate IgG effector functions and has a role in the initiation and progression of various diseases. Analysis of IgG glycosylation is therefore a promising tool for predicting disease severity. Several autoimmune and alloimmune disorders, including critical and potentially life-threatening conditions such as systemic lupus erythematosus, anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis and antibody-mediated kidney graft rejection, are driven by immunoglobulin. In certain IgG-driven kidney diseases, including primary membranous nephropathy, IgA nephropathy and lupus nephritis, particular glycome characteristics can enhance in situ complement activation and the recruitment of innate immune cells, resulting in more severe kidney damage. Hypofucosylation, hypogalactosylation and hyposialylation are the most common IgG glycosylation traits identified in these diseases. Modulating IgG glycosylation could therefore be a promising therapeutic strategy for regulating the immune mechanisms that underlie IgG-driven kidney diseases and potentially reduce the burden of immunosuppressive drugs in affected patients.
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Affiliation(s)
- Anaïs Beyze
- Institute of Regenerative Medicine and Biotherapy, IRMB U1183, Montpellier, France.
- Department of Nephrology, Dialysis and Transplantation, Montpellier University Hospital, Montpellier, France.
- University of Montpellier, Montpellier, France.
| | - Christian Larroque
- Institute of Regenerative Medicine and Biotherapy, IRMB U1183, Montpellier, France
- Department of Nephrology, Dialysis and Transplantation, Montpellier University Hospital, Montpellier, France
- University of Montpellier, Montpellier, France
| | - Moglie Le Quintrec
- Institute of Regenerative Medicine and Biotherapy, IRMB U1183, Montpellier, France.
- Department of Nephrology, Dialysis and Transplantation, Montpellier University Hospital, Montpellier, France.
- University of Montpellier, Montpellier, France.
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4
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Haslund-Gourley BS, Woloszczuk K, Hou J, Connors J, Cusimano G, Bell M, Taramangalam B, Fourati S, Mege N, Bernui M, Altman MC, Krammer F, van Bakel H, Maecker HT, Rouphael N, Diray-Arce J, Wigdahl B, Kutzler MA, Cairns CB, Haddad EK, Comunale MA. IgM N-glycosylation correlates with COVID-19 severity and rate of complement deposition. Nat Commun 2024; 15:404. [PMID: 38195739 PMCID: PMC10776791 DOI: 10.1038/s41467-023-44211-0] [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: 05/15/2023] [Accepted: 12/04/2023] [Indexed: 01/11/2024] Open
Abstract
The glycosylation of IgG plays a critical role during human severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, activating immune cells and inducing cytokine production. However, the role of IgM N-glycosylation has not been studied during human acute viral infection. The analysis of IgM N-glycosylation from healthy controls and hospitalized coronavirus disease 2019 (COVID-19) patients reveals increased high-mannose and sialylation that correlates with COVID-19 severity. These trends are confirmed within SARS-CoV-2-specific immunoglobulin N-glycan profiles. Moreover, the degree of total IgM mannosylation and sialylation correlate significantly with markers of disease severity. We link the changes of IgM N-glycosylation with the expression of Golgi glycosyltransferases. Lastly, we observe antigen-specific IgM antibody-dependent complement deposition is elevated in severe COVID-19 patients and modulated by exoglycosidase digestion. Taken together, this work links the IgM N-glycosylation with COVID-19 severity and highlights the need to understand IgM glycosylation and downstream immune function during human disease.
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Affiliation(s)
| | - Kyra Woloszczuk
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA
| | - Jintong Hou
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA
| | | | - Gina Cusimano
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA
| | - Mathew Bell
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA
| | | | | | - Nathan Mege
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA
| | - Mariana Bernui
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA
| | | | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pathology, Molecular and Cell Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Harm van Bakel
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pathology, Molecular and Cell Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | | | - Joann Diray-Arce
- Clinical & Data Coordinating Center (CDCC); Precision Vaccines Program, Boston Children's Hospital, Boston, MA, USA
| | - Brian Wigdahl
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA
| | | | | | - Elias K Haddad
- Drexel University/Tower Health Hospital, Philadelphia, PA, USA.
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Lado-Baleato Ó, Torre J, O’Flaherty R, Alonso-Sampedro M, Carballo I, Fernández-Merino C, Vidal C, Gude F, Saldova R, González-Quintela A. Age-Related Changes in Serum N-Glycome in Men and Women-Clusters Associated with Comorbidity. Biomolecules 2023; 14:17. [PMID: 38254617 PMCID: PMC10813383 DOI: 10.3390/biom14010017] [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: 11/15/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
(1) Aim: To describe, in a general adult population, the serum N-glycome in relation to age in men and women, and investigate the association of N-glycome patterns with age-related comorbidity; (2) Methods: The serum N-glycome was studied by hydrophilic interaction chromatography with ultra-performance liquid chromatography in 1516 randomly selected adults (55.3% women; age range 18-91 years). Covariates included lifestyle factors, metabolic disorders, inflammatory markers, and an index of comorbidity. Principal component analysis was used to define clusters of individuals based on the 46 glycan peaks obtained in chromatograms; (3) Results: The serum N-glycome changed with ageing, with significant differences between men and women, both in individual N-glycan peaks and in groups defined by common features (branching, galactosylation, sialylation, fucosylation, and oligomannose). Through K-means clustering algorithm, the individuals were grouped into a cluster characterized by abundance of simpler N-glycans and a cluster characterized by abundance of higher-order N-glycans. The individuals of the first cluster were older, showed higher concentrations of glucose and glycation markers, higher levels of some inflammatory markers, lower glomerular filtration rate, and greater comorbidity index; (4) Conclusions: The serum N-glycome changes with ageing with sex dimorphism. The N-glycome could be, in line with the inflammaging hypothesis, a marker of unhealthy aging.
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Affiliation(s)
- Óscar Lado-Baleato
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
- ISCIII Support Platforms for Clinical Research, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostel, 15706 Santiago de Compostela, Spain
| | - Jorge Torre
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
| | - Róisín O’Flaherty
- GlycoScience Group, National Institute for Bioprocessing Research and Training, Fosters Avenue, A94 X099 Dublin, Ireland (R.S.)
- Department of Chemistry, Maynooth University, W23 F2K8 Maynooth, Ireland
| | - Manuela Alonso-Sampedro
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
| | - Iago Carballo
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
| | - Carmen Fernández-Merino
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
- Primary Care, Santiago de Compostela Area, 15706 Santiago de Compostela, Spain
| | - Carmen Vidal
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
| | - Francisco Gude
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
- Primary Care, Santiago de Compostela Area, 15706 Santiago de Compostela, Spain
| | - Radka Saldova
- GlycoScience Group, National Institute for Bioprocessing Research and Training, Fosters Avenue, A94 X099 Dublin, Ireland (R.S.)
- UCD School of Medicine, College of Health and Agricultural Science, University College Dublin, D04 V1W8 Dublin, Ireland
| | - Arturo González-Quintela
- Research Methodology Group, Health Research Institute of Santiago de Compostela (IDIS), Galician Health Service, University of Santiago de Compostela, 15706 Santiago de Compostela, Spain; (Ó.L.-B.); (J.T.); (M.A.-S.); (I.C.); (C.F.-M.); (C.V.); (F.G.)
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6
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Lakerveld AJ, Gelderloos AT, Schepp RM, de Haan CAM, van Binnendijk RS, Rots NY, van Beek J, van Els CACM, van Kasteren PB. Difference in respiratory syncytial virus-specific Fc-mediated antibody effector functions between children and adults. Clin Exp Immunol 2023; 214:79-93. [PMID: 37605554 PMCID: PMC10711356 DOI: 10.1093/cei/uxad101] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/28/2023] [Accepted: 08/17/2023] [Indexed: 08/23/2023] Open
Abstract
Respiratory syncytial virus (RSV) infections are a major cause of bronchiolitis and pneumonia in infants and older adults, for which there is no known correlate of protection. Increasing evidence suggests that Fc-mediated antibody effector functions have an important role, but little is known about the development, heterogeneity, and durability of these functional responses. In light of future vaccine strategies, a clear view of the immunological background and differences between various target populations is of crucial importance. In this study, we have assessed both quantitative and qualitative aspects of RSV-specific serum antibodies, including IgG/IgA levels, IgG subclasses, antibody-dependent complement deposition, cellular phagocytosis, and NK cell activation (ADNKA). Samples were collected cross-sectionally in different age groups (11-, 24-, and 46-month-old children, adults, and older adults; n = 31-35 per group) and longitudinally following natural RSV infection in (older) adults (2-36 months post-infection; n = 10). We found that serum of 24-month-old children induces significantly lower ADNKA than the serum of adults (P < 0.01), which is not explained by antibody levels. Furthermore, in (older) adults we observed boosting of antibody levels and functionality at 2-3 months after RSV infection, except for ADNKA. The strongest decrease was subsequently observed within the first 9 months, after which levels remained relatively stable up to three years post-infection. Together, these data provide a comprehensive overview of the functional landscape of RSV-specific serum antibodies in the human population, highlighting that while antibodies reach adult levels already at a young age, ADNKA requires more time to fully develop.
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Affiliation(s)
- Anke J Lakerveld
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Department of Medical Microbiology, Leiden University Medical Center, The Netherlands
| | - Anne T Gelderloos
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Rutger M Schepp
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Cornelis A M de Haan
- Section Virology, Department Biomolecular Health Sciences, Faculty Veterinary Medicine, Utrecht University, The Netherlands
| | - Robert S van Binnendijk
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Nynke Y Rots
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Josine van Beek
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Cécile A C M van Els
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Section Immunology, Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands
| | - Puck B van Kasteren
- Center for Immunology of Infectious Diseases and Vaccines, Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
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Shkunnikova S, Mijakovac A, Sironic L, Hanic M, Lauc G, Kavur MM. IgG glycans in health and disease: Prediction, intervention, prognosis, and therapy. Biotechnol Adv 2023; 67:108169. [PMID: 37207876 DOI: 10.1016/j.biotechadv.2023.108169] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/21/2023]
Abstract
Immunoglobulin (IgG) glycosylation is a complex enzymatically controlled process, essential for the structure and function of IgG. IgG glycome is relatively stable in the state of homeostasis, yet its alterations have been associated with aging, pollution and toxic exposure, as well as various diseases, including autoimmune and inflammatory diseases, cardiometabolic diseases, infectious diseases and cancer. IgG is also an effector molecule directly involved in the inflammation processes included in the pathogenesis of many diseases. Numerous recently published studies support the idea that IgG N-glycosylation fine-tunes the immune response and plays a significant role in chronic inflammation. This makes it a promising novel biomarker of biological age, and a prognostic, diagnostic and treatment evaluation tool. Here we provide an overview of the current state of knowledge regarding the IgG glycosylation in health and disease, and its potential applications in pro-active prevention and monitoring of various health interventions.
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Affiliation(s)
- Sofia Shkunnikova
- Genos Glycoscience Research Laboratory, Borongajska cesta 83H, Zagreb, Croatia
| | - Anika Mijakovac
- University of Zagreb, Faculty of Science, Department of Biology, Horvatovac 102a, Zagreb, Croatia
| | - Lucija Sironic
- Genos Glycoscience Research Laboratory, Borongajska cesta 83H, Zagreb, Croatia
| | - Maja Hanic
- Genos Glycoscience Research Laboratory, Borongajska cesta 83H, Zagreb, Croatia
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Borongajska cesta 83H, Zagreb, Croatia; University of Zagreb, Faculty of Pharmacy and Biochemistry, Ulica Ante Kovačića 1, Zagreb, Croatia
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Gupta P, Sághy T, Nordqvist J, Nilsson J, Carlsten H, Horkeby K, Henning P, Engdahl C. Impact of estrogen on IgG glycosylation and serum protein glycosylation in a murine model of healthy postmenopause. Front Endocrinol (Lausanne) 2023; 14:1243942. [PMID: 37766692 PMCID: PMC10519799 DOI: 10.3389/fendo.2023.1243942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 08/07/2023] [Indexed: 09/29/2023] Open
Abstract
Introduction The glycosylation of immunoglobulin (Ig) G regulates IgG interaction capability with Fc gamma receptors found in all immune cells. In pathogenic conditions, estrogen can impact IgG levels and glycosylation. Following menopause, when estrogen levels decline affecting the immune system and potentially leading to a heightened susceptibility of immune activation. Purpose In this study, we aim to determine if estrogen levels can regulate IgG glycosylation in postmenopausal healthy situations. Methods Mice were ovariectomized to simulate an estrogen-deficient postmenopausal status and then treated with 17-beta-estradiol (E2) at different doses and different administration strategies. Results Using a highly sensitive liquid chromatography-tandem mass spectrometry (MS/MS) glycoproteomic method, we demonstrated that E2 treatment increased the degree of glycosylation on IgG-Fc with both galactosylation and sialylation in the position required for interaction with Fc gamma receptors. We also observed that only long-term estrogen deficiency reduces IgG levels and that estrogen status had no impact on total IgG sialylation on both Fab and Fc domains or general glycoprotein sialylation evaluated by ELISA. Furthermore, E2 status did not affect the total sialic acid content of total cells in lymphoid organs and neither B cells nor plasma cells. Conclusion The study concluded that E2 treatment does not affect total serum glycoprotein sialylation but alters IgG glycosylation, including IgG sialylation, implying that estrogen functions as an intrinsic modulator of IgG sialylation and could thereby be one pathway by which estrogen modulates immunity.
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Affiliation(s)
- Priti Gupta
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Osteoporosis Centre and Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- SciLifeLab, University of Gothenburg, Gothenburg, Sweden
| | - Tibor Sághy
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Osteoporosis Centre and Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- SciLifeLab, University of Gothenburg, Gothenburg, Sweden
| | - Jauquline Nordqvist
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Jonas Nilsson
- Proteomics Core Facility, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Hans Carlsten
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Karin Horkeby
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Osteoporosis Centre and Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Petra Henning
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Osteoporosis Centre and Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Cecilia Engdahl
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Osteoporosis Centre and Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- SciLifeLab, University of Gothenburg, Gothenburg, Sweden
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9
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Trzos S, Link-Lenczowski P, Pocheć E. The role of N-glycosylation in B-cell biology and IgG activity. The aspects of autoimmunity and anti-inflammatory therapy. Front Immunol 2023; 14:1188838. [PMID: 37575234 PMCID: PMC10415207 DOI: 10.3389/fimmu.2023.1188838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/28/2023] [Indexed: 08/15/2023] Open
Abstract
The immune system is strictly regulated by glycosylation through the addition of highly diverse and dynamically changing sugar structures (glycans) to the majority of immune cell receptors. Although knowledge in the field of glycoimmunology is still limited, numerous studies point to the key role of glycosylation in maintaining homeostasis, but also in reflecting its disruption. Changes in oligosaccharide patterns can lead to impairment of both innate and acquired immune responses, with important implications in the pathogenesis of diseases, including autoimmunity. B cells appear to be unique within the immune system, since they exhibit both innate and adaptive immune activity. B cell surface is rich in glycosylated proteins and lectins which recognise glycosylated ligands on other cells. Glycans are important in the development, selection, and maturation of B cells. Changes in sialylation and fucosylation of cell surface proteins affect B cell signal transduction through BCRs, CD22 inhibitory coreceptor and Siglec-G. Plasmocytes, as the final stage of B cell differentiation, produce and secrete immunoglobulins (Igs), of which IgGs are the most abundant N-glycosylated proteins in human serum with the conserved N-glycosylation site at Asn297. N-oligosaccharide composition of the IgG Fc region affects its secretion, structure, half-life and effector functions (ADCC, CDC). IgG N-glycosylation undergoes little change during homeostasis, and may gradually be modified with age and during ongoing inflammatory processes. Hyperactivated B lymphocytes secrete autoreactive antibodies responsible for the development of autoimmunity. The altered profile of IgG N-glycans contributes to disease progression and remission and is sensitive to the application of therapeutic substances and immunosuppressive agents. In this review, we focus on the role of N-glycans in B-cell biology and IgG activity, the rearrangement of IgG oligosaccharides in aging, autoimmunity and immunosuppressive therapy.
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Affiliation(s)
- Sara Trzos
- Department of Glycoconjugate Biochemistry, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Faculty of Biology, Jagiellonian University, Krakow, Poland
| | - Paweł Link-Lenczowski
- Department of Medical Physiology, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
| | - Ewa Pocheć
- Department of Glycoconjugate Biochemistry, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, Poland
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10
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Purcell RA, Theisen RM, Arnold KB, Chung AW, Selva KJ. Polyfunctional antibodies: a path towards precision vaccines for vulnerable populations. Front Immunol 2023; 14:1183727. [PMID: 37600816 PMCID: PMC10433199 DOI: 10.3389/fimmu.2023.1183727] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 05/30/2023] [Indexed: 08/22/2023] Open
Abstract
Vaccine efficacy determined within the controlled environment of a clinical trial is usually substantially greater than real-world vaccine effectiveness. Typically, this results from reduced protection of immunologically vulnerable populations, such as children, elderly individuals and people with chronic comorbidities. Consequently, these high-risk groups are frequently recommended tailored immunisation schedules to boost responses. In addition, diverse groups of healthy adults may also be variably protected by the same vaccine regimen. Current population-based vaccination strategies that consider basic clinical parameters offer a glimpse into what may be achievable if more nuanced aspects of the immune response are considered in vaccine design. To date, vaccine development has been largely empirical. However, next-generation approaches require more rational strategies. We foresee a generation of precision vaccines that consider the mechanistic basis of vaccine response variations associated with both immunogenetic and baseline health differences. Recent efforts have highlighted the importance of balanced and diverse extra-neutralising antibody functions for vaccine-induced protection. However, in immunologically vulnerable populations, significant modulation of polyfunctional antibody responses that mediate both neutralisation and effector functions has been observed. Here, we review the current understanding of key genetic and inflammatory modulators of antibody polyfunctionality that affect vaccination outcomes and consider how this knowledge may be harnessed to tailor vaccine design for improved public health.
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Affiliation(s)
- Ruth A. Purcell
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Robert M. Theisen
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States
| | - Kelly B. Arnold
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States
| | - Amy W. Chung
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Kevin J. Selva
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
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11
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Haslund-Gourley B, Woloszcuk K, Hou J, Connors J, Cusimano G, Bell M, Taramangalam B, Fourati S, Mege N, Bernui M, Altman M, Krammer F, van Bakel H, Maecker H, Wigdahl B, Cairns C, Haddad E, Comunale M. IgM N-glycosylation correlates with COVID-19 severity and rate of complement deposition. RESEARCH SQUARE 2023:rs.3.rs-2939468. [PMID: 37398192 PMCID: PMC10312960 DOI: 10.21203/rs.3.rs-2939468/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
The glycosylation of IgG plays a critical role during human SARS-CoV-2, activating immune cells and inducing cytokine production. However, the role of IgM N-glycosylation has not been studied during acute viral infection in humans. In vitro evidence suggests that the glycosylation of IgM inhibits T cell proliferation and alters complement activation rates. The analysis of IgM N-glycosylation from healthy controls and hospitalized COVID-19 patients reveals that mannosylation and sialyation levels associate with COVID-19 severity. Specifically, we find increased di- and tri-sialylated glycans and altered mannose glycans in total serum IgM in severe COVID-19 patients when compared to moderate COVID-19 patients. This is in direct contrast with the decrease of sialic acid found on the serum IgG from the same cohorts. Moreover, the degree of mannosylation and sialylation correlated significantly with markers of disease severity: D-dimer, BUN, creatinine, potassium, and early anti-COVID-19 amounts of IgG, IgA, and IgM. Further, IL-16 and IL-18 cytokines showed similar trends with the amount of mannose and sialic acid present on IgM, implicating these cytokines' potential to impact glycosyltransferase expression during IgM production. When examining PBMC mRNA transcripts, we observe a decrease in the expression of Golgi mannosidases that correlates with the overall reduction in mannose processing we detect in the IgM N-glycosylation profile. Importantly, we found that IgM contains alpha-2,3 linked sialic acids in addition to the previously reported alpha-2,6 linkage. We also report that antigen-specific IgM antibody-dependent complement deposition is elevated in severe COVID-19 patients. Taken together, this work links the immunoglobulin M N-glycosylation with COVID-19 severity and highlights the need to understand the connection between IgM glycosylation and downstream immune function during human disease.
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12
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Tudor L, Nedic Erjavec G, Nikolac Perkovic M, Konjevod M, Uzun S, Kozumplik O, Mimica N, Lauc G, Svob Strac D, Pivac N. The Association of the Polymorphisms in the FUT8-Related Locus with the Plasma Glycosylation in Post-Traumatic Stress Disorder. Int J Mol Sci 2023; 24:ijms24065706. [PMID: 36982780 PMCID: PMC10056189 DOI: 10.3390/ijms24065706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/04/2023] [Accepted: 03/11/2023] [Indexed: 03/19/2023] Open
Abstract
The molecular underpinnings of post-traumatic stress disorder (PTSD) are still unclear due to the complex interactions of genetic, psychological, and environmental factors. Glycosylation is a common post-translational modification of proteins, and different pathophysiological states, such as inflammation, autoimmune diseases, and mental disorders including PTSD, show altered N-glycome. Fucosyltransferase 8 (FUT8) is the enzyme that catalyzes the addition of core fucose on glycoproteins, and mutations in the FUT8 gene are associated with defects in glycosylation and functional abnormalities. This is the first study that investigated the associations of plasma N-glycan levels with FUT8-related rs6573604, rs11621121, rs10483776, and rs4073416 polymorphisms and their haplotypes in 541 PTSD patients and control participants. The results demonstrated that the rs6573604 T allele was more frequent in the PTSD than in the control participants. Significant associations of plasma N-glycan levels with PTSD and FUT8-related polymorphisms were observed. We also detected associations of rs11621121 and rs10483776 polymorphisms and their haplotypes with plasma levels of specific N-glycan species in both the control and PTSD groups. In carriers of different rs6573604 and rs4073416 genotypes and alleles, differences in plasma N-glycan levels were only found in the control group. These molecular findings suggest a possible regulatory role of FUT8-related polymorphisms in glycosylation, the alternations of which could partially explain the development and clinical manifestation of PTSD.
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Affiliation(s)
- Lucija Tudor
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia; (L.T.); (G.N.E.); (M.N.P.); (M.K.)
| | - Gordana Nedic Erjavec
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia; (L.T.); (G.N.E.); (M.N.P.); (M.K.)
| | - Matea Nikolac Perkovic
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia; (L.T.); (G.N.E.); (M.N.P.); (M.K.)
| | - Marcela Konjevod
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia; (L.T.); (G.N.E.); (M.N.P.); (M.K.)
| | - Suzana Uzun
- Department for Biological Psychiatry and Psychogeriatrics, University Hospital Vrapce, 10000 Zagreb, Croatia; (S.U.); (O.K.); (N.M.)
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Faculty of Education and Rehabilitation Sciences, University of Zagreb, 10000 Zagreb, Croatia
| | - Oliver Kozumplik
- Department for Biological Psychiatry and Psychogeriatrics, University Hospital Vrapce, 10000 Zagreb, Croatia; (S.U.); (O.K.); (N.M.)
- Faculty of Education and Rehabilitation Sciences, University of Zagreb, 10000 Zagreb, Croatia
| | - Ninoslav Mimica
- Department for Biological Psychiatry and Psychogeriatrics, University Hospital Vrapce, 10000 Zagreb, Croatia; (S.U.); (O.K.); (N.M.)
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Gordan Lauc
- Glycobiology Laboratory, Genos Ltd., 10000 Zagreb, Croatia;
| | - Dubravka Svob Strac
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia; (L.T.); (G.N.E.); (M.N.P.); (M.K.)
- Correspondence: (D.S.S.); (N.P.)
| | - Nela Pivac
- Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia; (L.T.); (G.N.E.); (M.N.P.); (M.K.)
- University of Applied Sciences Hrvatsko Zagorje Krapina, 49000 Krapina, Croatia
- Correspondence: (D.S.S.); (N.P.)
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13
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Haslund-Gourley BS, Wigdahl B, Comunale MA. IgG N-glycan Signatures as Potential Diagnostic and Prognostic Biomarkers. Diagnostics (Basel) 2023; 13:diagnostics13061016. [PMID: 36980324 PMCID: PMC10047871 DOI: 10.3390/diagnostics13061016] [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: 02/16/2023] [Revised: 03/02/2023] [Accepted: 03/05/2023] [Indexed: 03/30/2023] Open
Abstract
IgG N-glycans are an emerging source of disease-specific biomarkers. Over the last decade, the continued development of glycomic databases and the evolution of glyco-analytic methods have resulted in increased throughput, resolution, and sensitivity. IgG N-glycans promote adaptive immune responses through antibody-dependent cellular cytotoxicity (ADCC) and complement activation to combat infection or cancer and promote autoimmunity. In addition to the functional assays, researchers are examining the ability of protein-specific glycosylation to serve as biomarkers of disease. This literature review demonstrates that IgG N-glycans can discriminate between healthy controls, autoimmune disease, infectious disease, and cancer with high sensitivity. The literature also indicates that the IgG glycosylation patterns vary across disease state, thereby supporting their role as specific biomarkers. In addition, IgG N-glycans can be collected longitudinally from patients to track treatment responses or predict disease reoccurrence. This review focuses on IgG N-glycan profiles applied as diagnostics, cohort discriminators, and prognostics. Recent successes, remaining challenges, and upcoming approaches are critically discussed.
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Affiliation(s)
- Benjamin S Haslund-Gourley
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA 19129, USA
- Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA 19129, USA
| | - Brian Wigdahl
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA 19129, USA
- Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA 19129, USA
| | - Mary Ann Comunale
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA 19129, USA
- Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA 19129, USA
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14
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Spatola M, Chuquisana O, Jung W, Lopez JA, Wendel EM, Ramanathan S, Keller CW, Hahn T, Meinl E, Reindl M, Dale RC, Wiendl H, Lauffenburger DA, Rostásy K, Brilot F, Alter G, Lünemann JD. Humoral signatures of MOG-antibody-associated disease track with age and disease activity. Cell Rep Med 2023; 4:100913. [PMID: 36669487 PMCID: PMC9975090 DOI: 10.1016/j.xcrm.2022.100913] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/26/2022] [Accepted: 12/24/2022] [Indexed: 01/20/2023]
Abstract
Myelin oligodendrocyte glycoprotein (MOG)-antibody (Ab)-associated disease (MOGAD) is an inflammatory demyelinating disease of the CNS. Although MOG is encephalitogenic in different mammalian species, the mechanisms by which human MOG-specific Abs contribute to MOGAD are poorly understood. Here, we use a systems-level approach combined with high-dimensional characterization of Ab-associated immune features to deeply profile humoral immune responses in 123 patients with MOGAD. We show that age is a major determinant for MOG-antibody-related immune signatures. Unsupervised clustering additionally identifies two dominant immunological endophenotypes of MOGAD. The pro-inflammatory endophenotype characterized by increased binding affinities for activating Fcγ receptors (FcγRs), capacity to activate innate immune cells, and decreased frequencies of galactosylated and sialylated immunoglobulin G (IgG) glycovariants is associated with clinically active disease. Our data support the concept that FcγR-mediated effector functions control the pathogenicity of MOG-specific IgG and suggest that FcγR-targeting therapies should be explored for their therapeutic potential in MOGAD.
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Affiliation(s)
- Marianna Spatola
- Ragon Institute of MGH, MIT and Harvard Medical School, Cambridge, MA 02139, USA.
| | - Omar Chuquisana
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, WWU, Münster 48149, Germany
| | - Wonyeong Jung
- Ragon Institute of MGH, MIT and Harvard Medical School, Cambridge, MA 02139, USA; Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Joseph A Lopez
- Brain Autoimmunity Group, Kids Neuroscience Centre, Kids Research at the Children's Hospital at Westmead, Sydney, NSW 2145, Australia; Specialty of Child and Adolescent Health, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia
| | - Eva-Maria Wendel
- Department of Pediatric Neurology, Olgahospital/Klinikum Stuttgart, 70174 Stuttgart, Germany
| | - Sudarshini Ramanathan
- Brain Autoimmunity Group, Kids Neuroscience Centre, Kids Research at the Children's Hospital at Westmead, Sydney, NSW 2145, Australia; Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia; Department of Neurology, Concord Hospital, Sydney, NSW 2139, Australia; Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW 2006, Australia
| | - Christian W Keller
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, WWU, Münster 48149, Germany
| | - Tim Hahn
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Edgar Meinl
- Institute of Clinical Neuroimmunology, Biomedical Center and University Hospital, Ludwig-Maximilians-Universität München, 82152 Munich, Germany
| | - Markus Reindl
- Clinical Department of Neurology, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Russell C Dale
- Brain Autoimmunity Group, Kids Neuroscience Centre, Kids Research at the Children's Hospital at Westmead, Sydney, NSW 2145, Australia; Specialty of Child and Adolescent Health, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia
| | - Heinz Wiendl
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, WWU, Münster 48149, Germany; Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia
| | | | - Kevin Rostásy
- Department of Pediatric Neurology, Children's Hospital Datteln, University Witten/Herdecke, 45711 Datteln, Germany
| | - Fabienne Brilot
- Brain Autoimmunity Group, Kids Neuroscience Centre, Kids Research at the Children's Hospital at Westmead, Sydney, NSW 2145, Australia; Specialty of Child and Adolescent Health, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia
| | - Galit Alter
- Ragon Institute of MGH, MIT and Harvard Medical School, Cambridge, MA 02139, USA
| | - Jan D Lünemann
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, WWU, Münster 48149, Germany.
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15
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Resztak JA, Choe J, Nirmalan S, Wei J, Bruinsma J, Houpt R, Alazizi A, Mair-Meijers HE, Wen X, Slatcher RB, Zilioli S, Pique-Regi R, Luca F. Analysis of transcriptional changes in the immune system associated with pubertal development in a longitudinal cohort of children with asthma. Nat Commun 2023; 14:230. [PMID: 36646693 PMCID: PMC9842661 DOI: 10.1038/s41467-022-35742-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 12/21/2022] [Indexed: 01/18/2023] Open
Abstract
Puberty is an important developmental period marked by hormonal, metabolic and immune changes. Puberty also marks a shift in sex differences in susceptibility to asthma. Yet, little is known about the gene expression changes in immune cells that occur during pubertal development. Here we assess pubertal development and leukocyte gene expression in a longitudinal cohort of 251 children with asthma. We identify substantial gene expression changes associated with age and pubertal development. Gene expression changes between pre- and post-menarcheal females suggest a shift from predominantly innate to adaptive immunity. We show that genetic effects on gene expression change dynamically during pubertal development. Gene expression changes during puberty are correlated with gene expression changes associated with asthma and may explain sex differences in prevalence. Our results show that molecular data used to study the genetics of early onset diseases should consider pubertal development as an important factor that modifies the transcriptome.
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Affiliation(s)
- Justyna A Resztak
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Jane Choe
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Shreya Nirmalan
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Julong Wei
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Julian Bruinsma
- Department of Psychology, Wayne State University, Detroit, MI, USA
| | - Russell Houpt
- Department of Psychology, Wayne State University, Detroit, MI, USA
| | - Adnan Alazizi
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | | | - Xiaoquan Wen
- Department of Biostatistics, University of Michigan, Ann Arbor, MI, USA
| | | | - Samuele Zilioli
- Department of Psychology, Wayne State University, Detroit, MI, USA
- Department of Family Medicine and Public Health Sciences, Wayne State University, Detroit, MI, USA
| | - Roger Pique-Regi
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA.
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI, USA.
| | - Francesca Luca
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA.
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI, USA.
- Department of Biology, University of Rome Tor Vergata, Rome, Italy.
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16
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Krištić J, Lauc G, Pezer M. Immunoglobulin G glycans - Biomarkers and molecular effectors of aging. Clin Chim Acta 2022; 535:30-45. [PMID: 35970404 DOI: 10.1016/j.cca.2022.08.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 08/04/2022] [Accepted: 08/04/2022] [Indexed: 11/28/2022]
Abstract
Immunoglobulin G (IgG) antibodies are post-translationally modified by the addition of complex carbohydrate molecules - glycans, which have profound effects on the IgG function, most significantly as modulators of its inflammatory capacity. Therefore, it is not surprising that the changes in IgG glycosylation pattern are associated with various physiological states and diseases, including aging and age-related diseases. Importantly, within the inflammaging concept, IgG glycans are considered not only biomarkers but one of the molecular effectors of the aging process. The exact mechanism by which they exert their function, however, remains unknown. In this review, we list and comment on, to our knowledge, all studies that examined changes in IgG glycosylation during aging in humans. We focus on the information obtained from studies on general population, but we also cover the insights obtained from studies of long-lived individuals and people with age-related diseases. We summarize the current knowledge on how levels of different IgG glycans change with age (i.e., the extent and direction of the change with age) and discuss the potential mechanisms and possible functional roles of changes in IgG glycopattern that accompany aging.
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Affiliation(s)
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia; Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Marija Pezer
- Genos Glycoscience Research Laboratory, Zagreb, Croatia.
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17
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Sha J, Fan J, Zhang R, Gu Y, Xu X, Ren S, Gu J. B-cell-specific ablation of β-1,4-galactosyltransferase 1 prevents aging-related IgG glycans changes and improves aging phenotype in mice. J Proteomics 2022; 268:104717. [PMID: 36084919 DOI: 10.1016/j.jprot.2022.104717] [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: 05/11/2022] [Revised: 08/16/2022] [Accepted: 08/25/2022] [Indexed: 10/14/2022]
Abstract
IgG N-glycans levels change with advancing age, making it a potential biomarker of aging. β-1,4-galactosyltransferase (B4GALT) gene expression levels also increase with aging. Ultra performance liquid chromatography (UPLC) was used to examine changes inserum IgG N-glycans at six time points during the aging process. Most serum IgG N-glycans changed with aging in WT but not in CD19-cre B4GALT1 floxed mice. The relative abundance of fucosylated biantennary glycans with or without Neu5Gc structures changed with aging in heterozygous B4GALT1 floxed mice but not in homozygous B4GALT1 floxed mice. Additionally, the aging phenotype was more apparent in WT mice than in B4GALT1 floxed mice. These results demonstrate that fucosylated biantennary glycans and fucosylated biantennary glycans containing N-glycolylneuraminic acid (Neu5Gc)-linked N-acetyllactosamine (LacNAc) were highly associated with aging and were affected by the B4GALT1 floxed mouse genotype. The changing levels of fucosylated monoantennary glycans observed with aging in WT mice was reversed in B4GALT1 floxed mice and was not sex specific. In summary, B-cell-specific ablation of B4GALT1 from a glycoproteomic perspective prevented age-related changes in IgG N-glycans in mice. SIGNIFICANCE: In this study, serum IgG glycoproteomic data in wild-type (WT) and B-cell-specific ablation of β-1,4-galactosyltransferase 1 mice (B4GALT) were analyzed. Results showed that fucosylated biantennary glycans with or without N-glycolylneuraminic acid (Neu5Gc)-linked N-acetyllactosamine (LacNAc) were highly associated with aging and were also affected by the B4GALT1 floxed mouse genotype. In terms of gender-specific information, the trend towards elevated fucosylated monoantennary glycans in WT mice was not seen in CD19-cre B4GALT1 floxed mice in either sex. B-cell-specific ablation of B4GALT1 plays an important role in age-related glycan changes; its specific functions and mechanisms are worthy of in-depth study. Our data suggest that investigating the relationship between galactosylation and aging may help advance the field of glycoproteomics and aging research.
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Affiliation(s)
- Jichen Sha
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Jiteng Fan
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Rongrong Zhang
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Yong Gu
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Xiaoyan Xu
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Shifang Ren
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China.
| | - Jianxin Gu
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 130 Dongan Road, Shanghai 200032, China.
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18
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Rudman N, Kifer D, Kaur S, Simunović V, Cvetko A, Pociot F, Morahan G, Gornik O. Children at onset of type 1 diabetes show altered N-glycosylation of plasma proteins and IgG. Diabetologia 2022; 65:1315-1327. [PMID: 35622127 PMCID: PMC9283363 DOI: 10.1007/s00125-022-05703-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 02/09/2022] [Indexed: 11/29/2022]
Abstract
AIMS/HYPOTHESIS Individual variation in plasma N-glycosylation has mainly been studied in the context of diabetes complications, and its role in type 1 diabetes onset is largely unknown. Our aims were to undertake a detailed characterisation of the plasma and IgG N-glycomes in patients with recent onset type 1 diabetes, and to evaluate their discriminative potential in risk assessment. METHODS In the first part of the study, plasma and IgG N-glycans were chromatographically analysed in a study population from the DanDiabKids registry, comprising 1917 children and adolescents (0.6-19.1 years) who were newly diagnosed with type 1 diabetes. A follow-up study compared the results for 188 of these participants with those for their 244 unaffected siblings. Correlation of N-glycan abundance with the levels and number of various autoantibodies (against IA-2, GAD, ZnT8R, ZnT8W), as well as with sex and age at diagnosis, were estimated by using general linear modelling. A disease predictive model was built using logistic mixed-model elastic net regression, and evaluated using a 10-fold cross-validation. RESULTS Our study showed that onset of type 1 diabetes was associated with an increase in the proportion of plasma and IgG high-mannose and bisecting GlcNAc structures, a decrease in monogalactosylation, and an increase in IgG disialylation. ZnT8R autoantibody levels were associated with higher IgG digalactosylated glycan with bisecting GlcNAc. Finally, an increase in the number of autoantibodies (which is a better predictor of progression to overt diabetes than the level of any individual antibody) was accompanied by a decrease in the proportions of some of the highly branched plasma N-glycans. Models including age, sex and N-glycans yielded notable discriminative power between children with type 1 diabetes and their healthy siblings, with AUCs of 0.915 and 0.869 for addition of plasma and IgG N-glycans, respectively. CONCLUSIONS/INTERPRETATION We defined N-glycan changes accompanying onset of type 1 diabetes, and developed a predictive model based on N-glycan profiles that could have valuable potential in risk assessment. Increasing the power of tests to identify individuals at risk of disease development would be a considerable asset for type 1 diabetes prevention trials.
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Affiliation(s)
- Najda Rudman
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Domagoj Kifer
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | | | - Vesna Simunović
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Ana Cvetko
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Flemming Pociot
- Steno Diabetes Center Copenhagen, Herlev, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Copenhagen Diabetes Research Center (CPH-DIRECT), Department of Pediatrics E, Herlev Hospital, Herlev, Denmark
| | - Grant Morahan
- Centre for Diabetes Research, The Harry Perkins Institute for Medical Research, Perth, WA, Australia.
- University of Melbourne, Parkville, VIC, Australia.
| | - Olga Gornik
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia.
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19
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Golay J, Andrea AE, Cattaneo I. Role of Fc Core Fucosylation in the Effector Function of IgG1 Antibodies. Front Immunol 2022; 13:929895. [PMID: 35844552 PMCID: PMC9279668 DOI: 10.3389/fimmu.2022.929895] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/03/2022] [Indexed: 11/13/2022] Open
Abstract
The presence of fucose on IgG1 Asn-297 N-linked glycan is the modification of the human IgG1 Fc structure with the most significant impact on FcɣRIII affinity. It also significantly enhances the efficacy of antibody dependent cellular cytotoxicity (ADCC) by natural killer (NK) cells in vitro, induced by IgG1 therapeutic monoclonal antibodies (mAbs). The effect of afucosylation on ADCC or antibody dependent phagocytosis (ADCP) mediated by macrophages or polymorphonuclear neutrophils (PMN) is less clear. Evidence for enhanced efficacy of afucosylated therapeutic mAbs in vivo has also been reported. This has led to the development of several therapeutic antibodies with low Fc core fucose to treat cancer and inflammatory diseases, seven of which have already been approved for clinical use. More recently, the regulation of IgG Fc core fucosylation has been shown to take place naturally during the B-cell immune response: A decrease in α-1,6 fucose has been observed in polyclonal, antigen-specific IgG1 antibodies which are generated during alloimmunization of pregnant women by fetal erythrocyte or platelet antigens and following infection by some enveloped viruses and parasites. Low IgG1 Fc core fucose on antigen-specific polyclonal IgG1 has been linked to disease severity in several cases, such as SARS-CoV 2 and Dengue virus infection and during alloimmunization, highlighting the in vivo significance of this phenomenon. This review aims to summarize the current knowledge about human IgG1 Fc core fucosylation and its regulation and function in vivo, in the context of both therapeutic antibodies and the natural immune response. The parallels in these two areas are informative about the mechanisms and in vivo effects of Fc core fucosylation, and may allow to further exploit the desired properties of this modification in different clinical contexts.
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Affiliation(s)
- Josée Golay
- Center of Cellular Therapy "G. Lanzani", Division of Hematology, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
- *Correspondence: Josée Golay,
| | - Alain E. Andrea
- Laboratoire de Biochimie et Thérapies Moléculaires, Faculté de Pharmacie, Université Saint Joseph de Beyrouth, Beirut, Lebanon
| | - Irene Cattaneo
- Center of Cellular Therapy "G. Lanzani", Division of Hematology, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
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20
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Genetic and Epigenetic Association of Hepatocyte Nuclear Factor-1α with Glycosylation in Post-Traumatic Stress Disorder. Genes (Basel) 2022; 13:genes13061063. [PMID: 35741825 PMCID: PMC9223288 DOI: 10.3390/genes13061063] [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: 05/06/2022] [Revised: 06/05/2022] [Accepted: 06/13/2022] [Indexed: 01/25/2023] Open
Abstract
Post-traumatic stress disorder (PTSD) is a complex trauma-related disorder, the etiology and underlying molecular mechanisms of which are still unclear and probably involve different (epi)genetic and environmental factors. Protein N-glycosylation is a common post-translational modification that has been associated with several pathophysiological states, including inflammation and PTSD. Hepatocyte nuclear factor-1α (HNF1A) is a transcriptional regulator of many genes involved in the inflammatory processes, and it has been identified as master regulator of plasma protein glycosylation. The aim of this study was to determine the association between N-glycan levels in plasma and immunoglobulin G, methylation at four CpG positions in the HNF1A gene, HNF1A antisense RNA 1 (HNF1A-AS1), rs7953249 and HNF1A rs735396 polymorphisms in a total of 555 PTSD and control subjects. We found significant association of rs7953249 and rs735396 polymorphisms, as well as HNF1A gene methylation at the CpG3 site, with highly branched, galactosylated and sialyated plasma N-glycans, mostly in patients with PTSD. HNF1A-AS1 rs7953249 polymorphism was also associated with PTSD; however, none of the polymorphisms were associated with HNF1A gene methylation. These results indicate a possible regulatory role of the investigated HNF1A polymorphisms with respect to the abundance of complex plasma N-glycans previously associated with proinflammatory response, which could contribute to the clinical manifestation of PTSD and its comorbidities.
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21
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Estrogen-Driven Changes in Immunoglobulin G Fc Glycosylation. EXPERIENTIA. SUPPLEMENTUM 2021. [PMID: 34687016 DOI: 10.1007/978-3-030-76912-3_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Glycosylation within the immunoglobulin G (IgG) Fc region modulates its ability to engage complement and Fc receptors, affording the opportunity to fine-tune effector functions. Mechanisms regulating IgG Fc glycans remain poorly understood. Changes accompanying menarche, menopause, and pregnancy have long implicated hormonal factors. Intervention studies now confirm that estrogens enhance IgG Fc galactosylation, in females and also in males, defining the first pathway modulating Fc glycans and thereby a new link between sex and immunity. This mechanism may participate in fetal-maternal immunity, antibody-mediated inflammation, and other aspects of age- and sex-specific immune function. Here we review the changes affecting the IgG Fc glycome from childhood through old age, the evidence establishing a role for estrogens, and research directions to uncover associated mechanisms that may inform therapeutic intervention.
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22
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Clinical Mass Spectrometry Discovered Human IgG Sialylation as a Potential Biosignature for Kidney Function. J Pers Med 2021; 11:jpm11080761. [PMID: 34442405 PMCID: PMC8401842 DOI: 10.3390/jpm11080761] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 02/06/2023] Open
Abstract
Immunoglobulin G (IgG) N-glycosylation was discovered to have an association with inflammation status, which has the potential to be a novel biomarker for kidney diseases. In this study, we applied an ultra-high performance liquid chromatography–tandem mass spectrometry (UHPLC-MS/MS) method to plasma and urine samples from 57 individuals with different levels of kidney function. Natural abundances of total IgG, IgG1, IgG2, and IgG3 subclasses in plasma showed positive correlations to the estimated glomerular filtration rates (eGFRs). Eighteen IgG glycopeptides also showed positive correlations. In contrast, higher IgG amounts were found in urine samples from participants with lower eGFR values. After normalizing IgG glycopeptides from plasma to their respective protein amounts, H4N4F1S1-IgG1 (r = 0.37, p = 0.0047, significant) and H5N4F1S1-IgG1 (r = 0.25, p = 0.063, marginally significant) were the two glycopeptides that still had positive correlations with eGFRs. The results showed that the UHPLC-MS/MS method is capable of investigating IgG profiles, and monitoring IgG and glycosylation patterns is worthy of further clinical application for kidney disease.
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23
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Nimmerjahn F, Werner A. Sweet Rules: Linking Glycosylation to Antibody Function. EXPERIENTIA SUPPLEMENTUM (2012) 2021; 112:365-393. [PMID: 34687017 DOI: 10.1007/978-3-030-76912-3_12] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Antibodies produced upon infections with pathogenic microorganisms are essential for clearing primary infections and for providing the host with long-lasting immunity. Moreover, antibodies have become the most widely used platform for developing novel therapies against cancer and autoimmunity, requiring an in-depth understanding of how antibodies mediate their activity in vivo and which factors modulate pro- or anti-inflammatory antibody activities. Since the discovery that select residues present in the sugar domain attached to the immunoglobulin G (IgG) fragment crystallizable (Fc) region can modulate both, pro- and anti-inflammatory effector functions, a wealth of studies has focused on understanding how IgG glycosylation is regulated and how this knowledge can be used to optimize therapeutic antibody activity. With the introduction of glycoengineered afucosylated antibodies in cancer therapy and the initiation of clinical testing of highly sialylated anti-inflammatory antibodies the proof-of-concept that understanding antibody glycosylation can lead to clinical innovation has been provided. The focus of this review is to summarize recent insights into how antibody glycosylation is regulated in vivo and how select sugar residues impact IgG function.
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Affiliation(s)
- Falk Nimmerjahn
- Chair of Genetics, Department of Biology, Institute of Genetics, University of Erlangen-Nürnberg, Erlangen, Germany.
- Medical Immunology Campus Erlangen, Erlangen, Germany.
| | - Anja Werner
- Chair of Genetics, Department of Biology, Institute of Genetics, University of Erlangen-Nürnberg, Erlangen, Germany
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24
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Dall'Olio F, Malagolini N. Immunoglobulin G Glycosylation Changes in Aging and Other Inflammatory Conditions. EXPERIENTIA SUPPLEMENTUM (2012) 2021; 112:303-340. [PMID: 34687015 DOI: 10.1007/978-3-030-76912-3_10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Among the multiple roles played by protein glycosylation, the fine regulation of biological interactions is one of the most important. The asparagine 297 (Asn297) of IgG heavy chains is decorated by a diantennary glycan bearing a number of galactose and sialic acid residues on the branches ranging from 0 to 2. In addition, the structure can present core-linked fucose and/or a bisecting GlcNAc. In many inflammatory and autoimmune conditions, as well as in metabolic, cardiovascular, infectious, and neoplastic diseases, the IgG Asn297-linked glycan becomes less sialylated and less galactosylated, leading to increased expression of glycans terminating with GlcNAc. These conditions alter also the presence of core-fucose and bisecting GlcNAc. Importantly, similar glycomic alterations are observed in aging. The common condition, shared by the above-mentioned pathological conditions and aging, is a low-grade, chronic, asymptomatic inflammatory state which, in the case of aging, is known as inflammaging. Glycomic alterations associated with inflammatory diseases often precede disease onset and follow remission. The aberrantly glycosylated IgG glycans associated with inflammation and aging can sustain inflammation through different mechanisms, fueling a vicious loop. These include complement activation, Fcγ receptor binding, binding to lectin receptors on antigen-presenting cells, and autoantibody reactivity. The complex molecular bases of the glycomic changes associated with inflammation and aging are still poorly understood.
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Affiliation(s)
- Fabio Dall'Olio
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.
| | - Nadia Malagolini
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
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25
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Abstract
Human lifespan has increased significantly in the last 200 years, emphasizing our need to age healthily. Insights into molecular mechanisms of aging might allow us to slow down its rate or even revert it. Similar to aging, glycosylation is regulated by an intricate interplay of genetic and environmental factors. The dynamics of glycopattern variation during aging has been mostly explored for plasma/serum and immunoglobulin G (IgG) N-glycome, as we describe thoroughly in this chapter. In addition, we discuss the potential functional role of agalactosylated IgG glycans in aging, through modulation of inflammation level, as proposed by the concept of inflammaging. We also comment on the potential to use the plasma/serum and IgG N-glycome as a biomarker of healthy aging and on the interventions that modulate the IgG glycopattern. Finally, we discuss the current knowledge about animal models for human plasma/serum and IgG glycosylation and mention other, less explored, instances of glycopattern changes during organismal aging and cellular senescence.
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26
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Jurić J, Kohrt WM, Kifer D, Gavin KM, Pezer M, Nigrovic PA, Lauc G. Effects of estradiol on biological age measured using the glycan age index. Aging (Albany NY) 2020; 12:19756-19765. [PMID: 33049709 PMCID: PMC7732334 DOI: 10.18632/aging.104060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/25/2020] [Indexed: 01/24/2023]
Abstract
Glycan age is a recently developed biomarker based on glycans attached to immunoglobulin G (IgG). In large population cohorts, glycan age associates well with lifestyle and disease-risk biomarkers, while some studies suggested that glycan changes precede development of several age-associated diseases. In this study we evaluated effects of estrogen on the glycan age. Gonadal hormones were suppressed in 36 healthy young women by gonadotropin releasing hormone agonist therapy for 6 months. In 15 of them estradiol was supplemented, while 21 received placebo resulting in very low estrogen levels during intervention. IgG was isolated from plasma samples before intervention, after 6 months of intervention and after subsequent 4-month recovery. Deprivation of gonadal hormones resulted in median increase of glycan age for 9.1 years (IQR 6.8 - 11.5 years, p = 3.73×10-8), which was completely prevented by transdermal estradiol therapy (change in glycan age = -0.23 years, IQR (-2.20 - 2.98). After the recovery period glycan age returned to baseline values in both groups. These results suggest that IgG glycans and consequently also the glycan age are under strong influence of gonadal hormones and that estradiol therapy can prevent the increase of glycan age that occurs in the perimenopausal period.
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Affiliation(s)
- Julija Jurić
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Wendy M. Kohrt
- Division of Geriatric Medicine, School of Medicine,
University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
- Eastern Colorado VA Geriatric Research, Education and
Clinical Center, Aurora, CO 80045, USA
| | - Domagoj Kifer
- Department of Biochemistry and Molecular Biology, Faculty of
Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Kathleen M Gavin
- Division of Geriatric Medicine, School of Medicine,
University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
- Eastern Colorado VA Geriatric Research, Education and
Clinical Center, Aurora, CO 80045, USA
| | - Marija Pezer
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Peter A. Nigrovic
- Division of Rheumatology, Inflammation, and Immunity, Brigham
and Women´s Hospital, Boston, MA 02115, USA
- Division of Immunology, Boston Children´s Hospital,
Boston, MA 02115, USA
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
- Department of Biochemistry and Molecular Biology, Faculty of
Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
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27
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Welsink-Karssies MM, Ferdinandusse S, Geurtsen GJ, Hollak CEM, Huidekoper HH, Janssen MCH, Langendonk JG, van der Lee JH, O'Flaherty R, Oostrom KJ, Roosendaal SD, Rubio-Gozalbo ME, Saldova R, Treacy EP, Vaz FM, de Vries MC, Engelen M, Bosch AM. Deep phenotyping classical galactosemia: clinical outcomes and biochemical markers. Brain Commun 2020; 2:fcaa006. [PMID: 32954279 PMCID: PMC7425409 DOI: 10.1093/braincomms/fcaa006] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/06/2019] [Accepted: 12/28/2019] [Indexed: 02/02/2023] Open
Abstract
Early diagnosis and dietary treatment do not prevent long-term complications, which mostly affect the central nervous system in classical galactosemia patients. The clinical outcome of patients is highly variable, and there is an urgent need for prognostic biomarkers. The aim of this study was first to increase knowledge on the natural history of classical galactosemia by studying a cohort of patients with varying geno- and phenotypes and second to study the association between clinical outcomes and two possible prognostic biomarkers. In addition, the association between abnormalities on brain MRI and clinical outcomes was investigated. Classical galactosemia patients visiting the galactosemia expertise outpatient clinic of the Amsterdam University Medical Centre were evaluated according to the International Classical Galactosemia guideline with the addition of an examination by a neurologist, serum immunoglobulin G N-glycan profiling and a brain MRI. The biomarkers of interest were galactose-1-phosphate levels and N-glycan profiles, and the clinical outcomes studied were intellectual outcome and the presence or absence of movement disorders and/or primary ovarian insufficiency. Data of 56 classical galactosemia patients are reported. The intellectual outcome ranged from 45 to 103 (mean 77 ± 14) and was <85 in 62%. Movement disorders were found in 17 (47%) of the 36 tested patients. In females aged 12 years and older, primary ovarian insufficiency was diagnosed in 12 (71%) of the 17 patients. Significant differences in N-glycan peaks were found between controls and patients. However, no significant differences in either N-glycans or galactose-1-phosphate levels were found between patients with a poor (intellectual outcome < 85) and normal intellectual outcome (intellectual outcome ≥ 85), and with or without movement disorders or primary ovarian insufficiency. The variant patients detected by newborn screening, with previously unknown geno- and phenotypes and currently no long-term complications, demonstrated significantly lower galactose-1-phospate levels than classical patients (P < 0.0005). Qualitative analysis of the MRI's demonstrated brain abnormalities in 18 of the 21 patients, more severely in patients with a lower intellectual outcome and/or with movement disorders. This study demonstrates a large variability in clinical outcome, which varies from a below average intelligence, movement disorders and in females primary ovarian insufficiency to a normal clinical outcome. In our cohort of classical galactosemia patients, galactose-1-phosphate levels and N-glycan variations were not associated with clinical outcomes, but galactose-1-phosphate levels did differentiate between classical and variant patients detected by newborn screening. The correlation between brain abnormalities and clinical outcome should be further investigated by quantitative analysis of the MR images. The variability in clinical outcome necessitates individual and standardized evaluation of all classical galactosemia patients.
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Affiliation(s)
- Mendy M Welsink-Karssies
- Division of Metabolic Disorders, Department of Pediatrics, Emma Children's Hospital, Amsterdam, UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Sacha Ferdinandusse
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Gert J Geurtsen
- Department of Medical Psychology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Carla E M Hollak
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Hidde H Huidekoper
- Department of Pediatrics, Center for Lysosomal and Metabolic Diseases, Erasmus, MC, University Medical Center, Rotterdam, the Netherlands
| | - Mirian C H Janssen
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Janneke G Langendonk
- Department of Internal Medicine, Center for Lysosomal and Metabolic Diseases, Erasmus MC University Medical Centre, Rotterdam, the Netherlands
| | - Johanna H van der Lee
- Pediatric Clinical Research Office, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.,Knowledge Institute of the Dutch Association of Medical Specialists, Utrecht, the Netherlands
| | - Roisin O'Flaherty
- NIBRT GlycoScience Group, National Institute for Bioprocessing, Research and Training, Mount Merrion, Blackrock, County Dublin, Ireland
| | - Kim J Oostrom
- Psychosocial Department, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Stefan D Roosendaal
- Department of Radiology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - M Estela Rubio-Gozalbo
- Department of Pediatrics, Maastricht University Medical Center, Maastricht, the Netherlands.,Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Radka Saldova
- Knowledge Institute of the Dutch Association of Medical Specialists, Utrecht, the Netherlands.,UCD School of Medicine, College of Health and Agricultural Science, University College Dublin, Dublin, Ireland
| | - Eileen P Treacy
- National Centre for Inherited Metabolic Disorders, The Mater Misericordiae University Hospital, Dublin, Ireland
| | - Fred M Vaz
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Maaike C de Vries
- Department of Pediatrics, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Marc Engelen
- Department of Pediatric Neurology, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.,Department of Neurology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Annet M Bosch
- Division of Metabolic Disorders, Department of Pediatrics, Emma Children's Hospital, Amsterdam, UMC, University of Amsterdam, Amsterdam, the Netherlands
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28
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Changes in subclass-specific IgG Fc glycosylation associated with the postnatal maturation of the murine immune system. Sci Rep 2020; 10:15243. [PMID: 32943699 PMCID: PMC7498460 DOI: 10.1038/s41598-020-71899-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 08/17/2020] [Indexed: 01/06/2023] Open
Abstract
Early postnatal life is characterized by a critical time period in which the developing neonatal immune system transitions from passive immunity, induced by protective maternal antibodies, to the competence of a fully functioning immune system. The inflammatory capability of both maternal and neonatal antibodies is governed by N-linked glycosylation of the Fc region, and though this has been examined extensively in adults, there is currently little information regarding antibody glycosylation patterns during early postnatal life. To characterize the murine IgG Fc glycosylation profile during early life, we used nano-LC-ESI-Qq-TOF mass spectrometry analysis to assess subclass specific Asn-297 glycosylation patterns in the serum of BALB/c mice from 5-60 days of age. From birth to adulthood, we observed a decline in proinflammatory Fc glycosylation in all IgG subclasses. This was shown by significantly reduced agalactosylated and monogalactosylated structures combined with increased sialylation after weaning at 45 and 60 days of age. This information indicates that the transition between neonatal life and adulthood in mice is accompanied by reduction of inflammatory IgG antibodies. Our study contributes to a growing body of literature indicating the importance of IgG Fc glycosylation and its association with inflammation during different life stages.
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29
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Li H, Patel V, DiMartino SE, Froehlich JW, Lee RS. An in-depth Comparison of the Pediatric and Adult Urinary N-glycomes. Mol Cell Proteomics 2020; 19:1767-1776. [PMID: 32737218 DOI: 10.1074/mcp.ra120.002225] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Indexed: 12/26/2022] Open
Abstract
We performed an in-depth characterization and comparison of the pediatric and adult urinary glycomes using a nanoLC-MS/MS based glycomics method, which included normal healthy pediatric (1-10 years, n = 21) and adult (21-50 years, n = 22) individuals. A total of 116 N-glycan compositions were identified, and 46 of them could be reproducibly quantified. We performed quantitative comparisons of the 46 glycan compositions between different age and sex groups. The results showed significant quantitative changes between the pediatric and adult cohorts. The pediatric urinary N-glycome was found to contain a higher level of high-mannose (HM), asialylated/afucosylated glycans (excluding HM), neutral fucosylated and agalactosylated glycans, and a lower level of trisialylated glycans compared with the adult. We further analyzed gender-associated glycan changes in the pediatric and adult group, respectively. In the pediatric group, there was almost no difference of glycan levels between males and females. In adult, the majority of glycans were more abundant in males than females, except the high-mannose and tetrasialylated glycans. These findings highlight the importance to consider age-matching and adult sex-matching for urinary glycan studies. The identified normal pediatric and adult urinary glycomes can serve as a baseline reference for comparisons to other disease states affected by glycosylation.
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Affiliation(s)
- Haiying Li
- Department of Urology, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Viral Patel
- Department of Urology, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Shannon E DiMartino
- Department of Urology, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - John W Froehlich
- Department of Urology, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
| | - Richard S Lee
- Department of Urology, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
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30
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Zhang D, Li X, Liu X, Wang Y, Zhang M, Wang Q, Chen T, Li Z. Disease-Specific IgG Fc Glycosylation Ratios as Personalized Biomarkers to Differentiate Non-Small Cell Lung Cancer from Benign Lung Diseases. Proteomics Clin Appl 2019; 14:e1900016. [PMID: 31707769 DOI: 10.1002/prca.201900016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 11/05/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE The authors aimed to separate Fc N-glycopeptides of disease-specific immunoglobulin G (DSIgG) as personalized biomarkers to distinguish non-small cell lung cancer (NSCLC) from benign lung diseases (BLDs). EXPERIMENTAL DESIGN DSIgG from 509 BLDs patients and 477 NSCLC patients was isolated using native polyacrylamide gel electrophoresis and then the Fc glycosylation was determined using mass spectrometry. RESULTS For the patients below 60 years of age, a combination of the glycopeptides ratios with one fucose residue difference of DSIgG1 and DSIgG2 can differentiate NSCLC from BLDs, with area under curve (AUC) values of >0.76, sensitivities of >87%, and specificities of >61%. For the patients above 60 years of age, a combination of the glycopeptides ratios with one monosaccharide residue of DSIgG2 can differentiate NSCLC from BLDs, with AUC values of >0.78, sensitivities of >91%, and specificities of >54%. For the same participants, the commonly used clinical biomarkers have AUC values of 0.5-0.621, sensitivities of 15.8-32.9%, and specificities of 75.7-90.5%. CONCLUSIONS These findings indicate that these DSIgG Fc glycoforms are potential personalized biomarkers to differentiate NSCLC from BLDs.
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Affiliation(s)
- Dan Zhang
- Department of Biophysics and Structural Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, 100005, P. R. China
| | - Xiaoou Li
- Department of Laboratory, Tumor Hospital of Jilin Province, Changchun, 130012, P. R. China
| | - Xiaofeng Liu
- Department of Laboratory, Tumor Hospital of Jilin Province, Changchun, 130012, P. R. China
| | - Yanmin Wang
- Department of Clinical Laboratory, Heze Municipal Hospital, Shandong, 274031, P. R. China
| | - Mo Zhang
- Department of Biophysics and Structural Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, 100005, P. R. China
| | - Qing Wang
- Department of Biophysics and Structural Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, 100005, P. R. China
| | - Tianjing Chen
- Department of Biophysics and Structural Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, 100005, P. R. China
| | - Zhili Li
- Department of Biophysics and Structural Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, 100005, P. R. China
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31
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Cheng HD, Tirosh I, de Haan N, Stöckmann H, Adamczyk B, McManus CA, O'Flaherty R, Greville G, Saldova R, Bonilla FA, Notarangelo LD, Driessen GJ, Holm IA, Rudd PM, Wuhrer M, Ackerman ME, Nigrovic PA. IgG Fc glycosylation as an axis of humoral immunity in childhood. J Allergy Clin Immunol 2019; 145:710-713.e9. [PMID: 31669096 DOI: 10.1016/j.jaci.2019.10.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 10/04/2019] [Accepted: 10/10/2019] [Indexed: 11/28/2022]
Affiliation(s)
- Hao D Cheng
- Molecular and Cellular Biology Program, Dartmouth College, Hanover, NH
| | - Irit Tirosh
- Division of Immunology, Boston Children's Hospital, Boston, Mass; Rheumatology Unit, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Israel
| | - Noortje de Haan
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Henning Stöckmann
- Glycoscience Group, National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Barbara Adamczyk
- Glycoscience Group, National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Ciara A McManus
- Glycoscience Group, National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Róisín O'Flaherty
- Glycoscience Group, National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Gordon Greville
- Glycoscience Group, National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Radka Saldova
- Glycoscience Group, National Institute for Bioprocessing Research and Training, Dublin, Ireland; College of Health and Agricultural Science, UCD School of Medicine, University College Dublin, Dublin, Ireland
| | | | - Luigi D Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Gertjan J Driessen
- Department of Pediatrics, Juliana Children's Hospital, Haga Teaching Hospital, The Hague, The Netherlands; Department of Pediatrics, Erasmus Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Ingrid A Holm
- Division of Endocrinology, Boston Children's Hospital, Boston, Mass
| | - Pauline M Rudd
- Glycoscience Group, National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Margaret E Ackerman
- Molecular and Cellular Biology Program, Dartmouth College, Hanover, NH; Thayer School of Engineering, Dartmouth College, Hanover, NH.
| | - Peter A Nigrovic
- Division of Immunology, Boston Children's Hospital, Boston, Mass; Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Boston, Mass.
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32
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Lectin-Based Method for Deciphering Human Milk IgG Sialylation. Molecules 2019; 24:molecules24203797. [PMID: 31652515 PMCID: PMC6832633 DOI: 10.3390/molecules24203797] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 10/20/2019] [Accepted: 10/21/2019] [Indexed: 01/16/2023] Open
Abstract
In light of the immunoprotective function of human milk and the incontestable impact of IgG glycosylation on its immune functions, characterization of the sialylation profile of human milk IgG is needed. Lectins as a molecular probe were applied in lectin-IgG-ELISA to analyze the sialylation and galactosylation pattern of skim milk IgG of mothers who delivered at term and prematurely. Well-defined biotinylated lectins were used: Maackia amurensis II (MAA II), Sambucus nigra (SNA), Ricinus communis I (RCA I), and Griffonia simplicifolia II (GSL II) specific to α2,3-Neu5Ac, α2,6-Neu5Ac, Gal(β1,4)GlcNAc, and agalactosylated glycans, respectively. The sialylation pattern of milk IgG differs qualitatively and quantitatively from maternal plasma IgG and is related to lactation stage and perinatal risk factors. Expression of MAA-, SNA-, and GSL-reactive glycotopes on term milk IgG showed a positive correlation with milk maturation from days 1 to 55. Preterm birth was associated with an increase of MAA-reactive and a decrease of RCA-reactive IgG glycotopes. Moreover, higher SNA- and GSL-reactive and lower RCA-reactive glycoform levels of milk IgG were associated with infection of lactating mothers. Application of a specific and simple method, lectin-IgG-ELISA, reveals the sialylation pattern of milk IgG over milk maturation. However, further investigations are needed in this area.
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Yu W, Hao X, Yang F, Ma J, Zhao Y, Li Y, Wang J, Xu H, Chen L, Liu Q, Duan S, Yang Y, Huang F, He Z. Hematological and biochemical parameters for Chinese rhesus macaque. PLoS One 2019; 14:e0222338. [PMID: 31527891 PMCID: PMC6748566 DOI: 10.1371/journal.pone.0222338] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 08/27/2019] [Indexed: 12/27/2022] Open
Abstract
Rhesus macaque is an important animal model in biomedical research, especially human disease, developmental, translational, and pre-clinical research. Blood physiological and biochemical parameters are important markers for physiology, pathology, and toxicology research. However, these parameters have not been systematically reported for Chinese rhesus macaques. To characterize the reference for these parameters, this study collected 1805 Chinese rhesus macaques living in Southwestern China. A total of 24 blood physiological indexes and 27 biochemical parameters were determined. Sex and age were found to affect these parameters. In conclusion, a comprehensive and systematic reference of hematological and biochemical parameters for Chinese rhesus macaque was established in this work on the basis of a large cohort. Such reference will benefit biomedical research employing rhesus macaques as animal models.
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Affiliation(s)
- Wenhai Yu
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Xianhui Hao
- Medical Faculty, Kunming University of Science and Technology, Kunming, PR China
| | - Fengmei Yang
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Jin Ma
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Yuan Zhao
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Yanyan Li
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Junbin Wang
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Hongjie Xu
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Lixiong Chen
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Quan Liu
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Suqin Duan
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Yaping Yang
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
| | - Fen Huang
- Medical Faculty, Kunming University of Science and Technology, Kunming, PR China
- * E-mail: (FH); (ZH)
| | - Zhanlong He
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, PR China
- * E-mail: (FH); (ZH)
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34
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Yau LF, Liu J, Jiang M, Bai G, Wang JR, Jiang ZH. An integrated approach for comprehensive profiling and quantitation of IgG-Fc glycopeptides with application to rheumatoid arthritis. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1122-1123:64-72. [DOI: 10.1016/j.jchromb.2019.05.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 05/22/2019] [Accepted: 05/26/2019] [Indexed: 11/29/2022]
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35
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Akbar T, McGurnaghan S, Palmer CNA, Livingstone SJ, Petrie J, Chalmers J, Lindsay RS, McKnight JA, Pearson DWM, Patrick AW, Walker J, Looker HC, Colhoun HM. Cohort Profile: Scottish Diabetes Research Network Type 1 Bioresource Study (SDRNT1BIO). Int J Epidemiol 2018; 46:796-796i. [PMID: 28338705 DOI: 10.1093/ije/dyw152] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/11/2016] [Indexed: 02/06/2023] Open
Affiliation(s)
- Tahira Akbar
- Institute of Genetics and Molecular Medicine (IGMM), University of Edinburgh, Edinburgh, UK
| | - Stuart McGurnaghan
- Institute of Genetics and Molecular Medicine (IGMM), University of Edinburgh, Edinburgh, UK
| | - Colin N A Palmer
- Cardiovascular and Diabetes Medicine, University of Dundee, Dundee, UK
| | | | - John Petrie
- Institute of Cardiovascular & Medical Sciences, University of Glasgow, Glasgow, UK
| | - John Chalmers
- Cameron Hospital, National Health Service (NHS) Fife, Kirkcaldy, UK
| | - Robert S Lindsay
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | | | - Donald W M Pearson
- JJR Macleod Centre for Diabetes, Endocrinology and Metabolism, Aberdeen Royal Infirmary, Aberdeen, UK
| | - Alan W Patrick
- Royal Infirmary of Edinburgh, NHS Lothian, Edinburgh, UK
| | | | - Helen C Looker
- Diabetes Epidemiology Unit, University of Dundee, Dundee, UK
| | - Helen M Colhoun
- Institute of Genetics and Molecular Medicine (IGMM), University of Edinburgh, Edinburgh, UK.,Department of Public Health, NHS Fife, Kirkcaldy, UK
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36
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Gudelj I, Lauc G, Pezer M. Immunoglobulin G glycosylation in aging and diseases. Cell Immunol 2018; 333:65-79. [DOI: 10.1016/j.cellimm.2018.07.009] [Citation(s) in RCA: 206] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 07/19/2018] [Accepted: 07/19/2018] [Indexed: 01/01/2023]
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37
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Differences in IgG Fc Glycosylation Are Associated with Outcome of Pediatric Meningococcal Sepsis. mBio 2018; 9:mBio.00546-18. [PMID: 29921663 PMCID: PMC6016251 DOI: 10.1128/mbio.00546-18] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Pediatric meningococcal sepsis often results in morbidity and/or death, especially in young children. Our understanding of the reasons why young children are more susceptible to both the meningococcal infection itself and a more fulminant course of the disease is limited. Immunoglobulin G (IgG) is involved in the adaptive immune response against meningococcal infections, and its effector functions are highly influenced by the glycan structure attached to the fragment crystallizable (Fc) region. It was hypothesized that IgG Fc glycosylation might be related to the susceptibility and severity of meningococcal sepsis. Because of this, the differences in IgG Fc glycosylation between 60 pediatric meningococcal sepsis patients admitted to the pediatric intensive care unit and 46 age-matched healthy controls were investigated, employing liquid chromatography with mass spectrometric detection of tryptic IgG glycopeptides. In addition, Fc glycosylation profiles were compared between patients with a severe outcome (death or the need for amputation) and a nonsevere outcome. Meningococcal sepsis patients under the age of 4 years showed lower IgG1 fucosylation and higher IgG1 bisection than age-matched healthy controls. This might be a direct effect of the disease; however, it can also be a reflection of previous immunologic challenges and/or a higher susceptibility of these children to develop meningococcal sepsis. Within the young patient group, levels of IgG1 hybrid-type glycans and IgG2/3 sialylation per galactose were associated with illness severity and severe outcome. Future studies in larger groups should explore whether IgG Fc glycosylation could be a reliable predictor for meningococcal sepsis outcome. Meningococcal sepsis causes significant mortality and morbidity worldwide, especially in young children. Identification of risk factors for a more fulminant infection would help to decide on appropriate treatment strategies for the individual patients. Immunoglobulin G (IgG) plays an essential role in humoral immune responses and is involved in the adaptive immune response against meningococcal infections. Of great influence on the receptor affinity of IgG is the N-glycan on its fragment crystallizable (Fc) portion. In the present study, we analyzed IgG glycosylation during the fast development of meningococcal sepsis in children, and we were able to identify glycosylation features that are different between meningococcal sepsis patients and healthy controls. These features might be indicative of a higher susceptibility to meningococcal sepsis. In addition, we found glycosylation features in the patients that were associated with illness severity and severe disease outcome, having the potential to serve as a disease outcome predictor.
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38
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de Haan N, van Tol MJD, Driessen GJ, Wuhrer M, Lankester AC. Immunoglobulin G Fragment Crystallizable Glycosylation After Hematopoietic Stem Cell Transplantation Is Dissimilar to Donor Profiles. Front Immunol 2018; 9:1238. [PMID: 29915589 PMCID: PMC5994695 DOI: 10.3389/fimmu.2018.01238] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 05/17/2018] [Indexed: 12/11/2022] Open
Abstract
Immunoglobulin G (IgG) fragment crystallizable (Fc) N-glycosylation has a large influence on the affinity of the antibody for binding to Fcγ-receptors (FcγRs) and C1q protein, thereby influencing immune effector functions. IgG Fc glycosylation is known to be partly regulated by genetics and partly by stimuli in the microenvironment of the B cell. Following allogeneic hematopoietic stem cell transplantation (HSCT), and in the presence of (almost) complete donor chimerism, IgG is expected to be produced by, and glycosylated in, B cells of donor origin. We investigated to what extent IgG glycosylation in patients after transplantation is determined by factors of the donor (genetics) or the recipient (environment). Using an IgG subclass-specific liquid chromatography–mass spectrometry method, we analyzed the plasma/serum IgG Fc glycosylation profiles of 34 pediatric patients pre-HSCT and at 6 and 12 months post-HSCT and compared these to the profiles of their donors and age-matched healthy controls. Patients treated for hematological malignancies as well as for non-malignant hematological diseases showed after transplantation a lower Fc galactosylation than their donors. Especially for the patients treated for leukemia, the post-HSCT Fc glycosylation profiles were more similar to the pre-HSCT recipient profiles than to profiles of the donors. Pre-HSCT, the leukemia patient group showed as distinctive feature a decrease in sialylation and in hybrid-type glycans as compared to healthy controls, which both normalized after transplantation. Our data suggest that IgG Fc glycosylation in children after HSCT does not directly mimic the donor profile, but is rather determined by persisting environmental factors of the host.
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Affiliation(s)
- Noortje de Haan
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, Netherlands
| | - Maarten J D van Tol
- Department of Pediatrics, Section Immunology, Hematology and Stem Cell Transplantation, Leiden University Medical Center, Leiden, Netherlands
| | - Gertjan J Driessen
- Department of Pediatrics, Juliana Children's Hospital, Haga Teaching Hospital, The Hague, Netherlands.,Department of Pediatrics, Erasmus Medical Center, Sophia Children's Hospital, Rotterdam, Netherlands
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, Netherlands
| | - Arjan C Lankester
- Department of Pediatrics, Section Immunology, Hematology and Stem Cell Transplantation, Leiden University Medical Center, Leiden, Netherlands
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39
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Qin W, Pei H, Qin R, Zhao R, Han J, Zhang Z, Dong K, Ren S, Gu J. Alteration of Serum IgG Galactosylation as a Potential Biomarker for Diagnosis of Neuroblastoma. J Cancer 2018; 9:906-913. [PMID: 29581769 PMCID: PMC5868155 DOI: 10.7150/jca.22014] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 02/06/2018] [Indexed: 12/18/2022] Open
Abstract
Background: Neuroblastoma (NB) is the most frequent pediatric malignant neoplasm that originates from embryonic neural crest cells. Urinary catecholamines in 24-h urine are most commonly analyzed for the diagnosis of neuroblastoma at good sensitivity; however, it is challenging to collect 24-h urine samples in a pediatric population. Therefore, development of more rapid, non-invasive and cost-effective tools for the diagnosis of NB remains needed. Serum immunoglobulin G (IgG) galactosylation have been found highly associated with adult cancers in our previous study. Methods: To explore the potential use of serum IgG galactosylation in aiding diagnosis of neuroblastoma, serum IgG galactosylation profiles of 26 neuroblastoma cases and 30 age-matched non-malignant controls were analyzed by MALDI MS. The alteration of IgG galactosylation in neuroblastoma patients was measured by a Gal-ratio formula: G0/(G1+G2×2), calculating the relative intensities of agalactosylated N-glycan (G0) vs mono-galactosyl N-glycan (G1) and digalactosyl N-glycan (G2). Results: The results showed that IgG Gal-ratios were significantly higher in neuroblastoma cases compared with non-malignant controls (p=5.0×10-4). And the Gal-ratio data generated sensitivity and specificity of 84.62% and 60.00%, combined with an AUC (area under the curve) of 0.80. Conclusions: The analysis of serum IgG galactosylation distribution may play a suggestive role for neuroblastoma diagnosis, or serve as a potential biomarker for NB diagnosis.
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Affiliation(s)
- Wenjun Qin
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Hao Pei
- Department of Anesthesiology, Children's Hospital, Fudan University, Shanghai 201102, China
| | - Ruihuan Qin
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Ran Zhao
- Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200090, China
| | - Jing Han
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Zejian Zhang
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Kuiran Dong
- Department of Oncology, Children's Hospital, Fudan University, Shanghai 201102, China
| | - Shifang Ren
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Jianxin Gu
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
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40
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de Haan N, Reiding KR, Krištić J, Hipgrave Ederveen AL, Lauc G, Wuhrer M. The N-Glycosylation of Mouse Immunoglobulin G (IgG)-Fragment Crystallizable Differs Between IgG Subclasses and Strains. Front Immunol 2017; 8:608. [PMID: 28620376 PMCID: PMC5449507 DOI: 10.3389/fimmu.2017.00608] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 05/09/2017] [Indexed: 12/30/2022] Open
Abstract
N-linked glycosylation of the fragment crystallizable (Fc)-region of immunoglobulin G (IgG) is known to have a large influence on the activity of the antibody, an effect reported to be IgG subclass specific. This situation applies both to humans and mice. The mouse is often used as experimental animal model to study the effects of Fc-glycosylation on IgG effector functions, and results are not uncommonly translated back to the human situation. However, while human IgG Fc-glycosylation has been extensively characterized in both health and disease, this is not the case for mice. To characterize the glycosylation profile of murine IgG-Fc and in addition evaluate the systematic glycosylation differences between mouse strains, sexes, and IgG subclasses, we used nanoliquid chromatography mass spectrometry (nanoLC-MS(/MS)) to look at the subclass-specific IgG Fc-glycopeptides of male and female mice from the strains BALB/c, C57BL/6, CD-1, and Swiss Webster. The structural analysis revealed the presence of predominantly fucosylated, diantennary glycans, with varying amounts of galactosylation and α2,6-sialylation. In addition, we report glycosylation features not previously reported in an Fc-specific way on murine IgG, including monoantennary, hybrid, and high mannose structures, as well as diantennary structures without a core fucose, with a bisecting N-acetylglucosamine, or with α1,3-galactosylation. Pronounced differences were detected between strains and the IgG subclasses within each strain. Especially the large spread in galactosylation and sialylation levels found between both strains and subclasses may vastly influence IgG effector functions. Mouse strain-based and subclass-specific glycosylation differences should be taken into account when designing and interpreting immunological and glycobiological mouse studies involving IgG effector functions.
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Affiliation(s)
- Noortje de Haan
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, Netherlands
| | - Karli R Reiding
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, Netherlands
| | | | | | - Gordan Lauc
- Glycoscience Research Laboratory, Genos, Zagreb, Croatia
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, Netherlands
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41
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Host Determinants of Expression of the Helicobacter pylori BabA Adhesin. Sci Rep 2017; 7:46499. [PMID: 28418004 PMCID: PMC5394467 DOI: 10.1038/srep46499] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 03/17/2017] [Indexed: 12/19/2022] Open
Abstract
Expression of the Helicobacter pylori blood group antigen binding adhesin A (BabA) is more common in strains isolated from patients with peptic ulcer disease or gastric cancer, rather than asymptomatic colonization. Here we used mouse models to examine host determinants that affect H. pylori BabA expression. BabA expression was lost by phase variation as frequently in WT mice as in RAG2−/− mice that do not have functional B or T cells, and in MyD88−/−, TLR2−/− and TLR4−/− mice that are defective in toll like receptor signaling. The presence of other bacteria had no effect on BabA expression as shown by infection of germ free mice. Moreover, loss of BabA expression was not dependent on Leb expression or the capacity of BabA to bind Leb. Surprisingly, gender was the host determinant most associated with loss of BabA expression, which was maintained to a greater extent in male mice and was associated with greater bacterial load. These results suggest the possibility that loss of BabA expression is not driven by adaptive immunity or toll-like receptor signaling, and that BabA may have other, unrecognized functions in addition to serving as an adhesin that binds Leb.
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42
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Trbojević-Akmačić I, Ugrina I, Lauc G. Comparative Analysis and Validation of Different Steps in Glycomics Studies. Methods Enzymol 2017; 586:37-55. [DOI: 10.1016/bs.mie.2016.09.027] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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43
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Catera M, Borelli V, Malagolini N, Chiricolo M, Venturi G, Reis CA, Osorio H, Abruzzo PM, Capri M, Monti D, Ostan R, Franceschi C, Dall'Olio F. Identification of novel plasma glycosylation-associated markers of aging. Oncotarget 2016; 7:7455-68. [PMID: 26840264 PMCID: PMC4884931 DOI: 10.18632/oncotarget.7059] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 01/23/2016] [Indexed: 12/14/2022] Open
Abstract
The pro- or anti-inflammatory activities of immunoglobulins G (IgGs) are controlled by the structure of the glycan N-linked to Asn297 of their heavy chain. The age-associated low grade inflammation (inflammaging) is associated with increased plasmatic levels of agalactosylated IgGs terminating with N-acetylglucosamine (IgG-G0) whose biogenesis has not been fully explained. Although the biosynthesis of glycans is in general mediated by glycosyltransferases associated with internal cell membranes, the extracellular glycosylation of circulating glycoproteins mediated by plasmatic glycosyltransferases has been recently demonstrated. In this study we have investigated the relationship between plasmatic glycosyltransferases, IgG glycosylation and inflammatory and aging markers. In cohorts of individuals ranging from infancy to centenarians we determined the activity of plasmatic β4 galactosyltransferase(s) (B4GALTs) and of α2,6-sialyltransferase ST6GAL1, the glycosylation of IgG, the GlycoAge test (a glycosylation-based marker of aging) and the plasma level of inflammatory and liver damage markers. Our results show that: 1) plasmatic B4GALTs activity is a new marker of aging, showing a linear increase throughout the whole age range. 2) plasmatic ST6GAL1 was high only in children and in people above 80, showing a quadratic relationship with age. 3) Neither plasmatic glycosyltransferase correlated with markers of liver damage. 4) plasmatic ST6GAL1 showed a positive association with acute phase proteins in offspring of short lived parents, but not in centenarians or in their offspring. 5) Although the glycosylation of IgGs was not correlated with the level of the two plasmatic glycosyltransferases, it showed progressive age-associated changes consistent with a shift toward a pro-inflammatory glycotype.
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Affiliation(s)
- Mariangela Catera
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Vincenzo Borelli
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Nadia Malagolini
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Mariella Chiricolo
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Giulia Venturi
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Celso A Reis
- Instituto de Investigação e Inovação em Saúde (Institute for Research and Innovation in Health), University of Porto, and Institute of Molecular Pathology and Immunology of The University of Porto IPATIMUP), Porto, Portugal.,Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal.,Faculty of Medicine of The University of Porto, Al. Prof. Hernâni Monteiro, Porto, Portugal
| | - Hugo Osorio
- Instituto de Investigação e Inovação em Saúde (Institute for Research and Innovation in Health), University of Porto, and Institute of Molecular Pathology and Immunology of The University of Porto IPATIMUP), Porto, Portugal.,Faculty of Medicine of The University of Porto, Al. Prof. Hernâni Monteiro, Porto, Portugal
| | - Provvidenza M Abruzzo
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Miriam Capri
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Daniela Monti
- Dipartimento di Scienze Biomediche, Sperimentali e Cliniche "Mario Serio", University of Florence, Florence, Italy
| | - Rita Ostan
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Claudio Franceschi
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Fabio Dall'Olio
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
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44
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Pezer M, Stambuk J, Perica M, Razdorov G, Banic I, Vuckovic F, Gospic AM, Ugrina I, Vecenaj A, Bakovic MP, Lokas SB, Zivkovic J, Plavec D, Devereux G, Turkalj M, Lauc G. Effects of allergic diseases and age on the composition of serum IgG glycome in children. Sci Rep 2016; 6:33198. [PMID: 27616597 PMCID: PMC5018987 DOI: 10.1038/srep33198] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 08/19/2016] [Indexed: 01/13/2023] Open
Abstract
It is speculated that immunoglobulin G (IgG) plays a regulatory role in allergic reactions. The glycans on the Fc region are known to affect IgG effector functions, thereby possibly having a role in IgG modulation of allergic response. This is the first study investigating patients' IgG glycosylation profile in allergic diseases. Subclass specific IgG glycosylation profile was analyzed in two cohorts of allergen sensitized and non-sensitized 3- to 11-year-old children (conducted at University of Aberdeen, UK and Children's Hospital Srebrnjak, Zagreb, Croatia) with 893 subjects in total. IgG was isolated from serum/plasma by affinity chromatography on Protein G. IgG tryptic glycopeptides were analyzed by liquid chromatography electrospray ionization mass spectrometry. In the Zagreb cohort IgG glycome composition changed with age across all IgG subclasses. In both cohorts, IgG glycome composition did not differ in allergen sensitized subjects, nor children sensitized to individual allergens, single allergen mean wheal diameter or positive wheal sum values. In the Zagreb study the results were also replicated for high total serum IgE and in children with self-reported manifest allergic disease. In conclusion, our findings demonstrate no association between serum IgG glycome composition and allergic diseases in children.
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Affiliation(s)
- Marija Pezer
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Jerko Stambuk
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | | | - Genadij Razdorov
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | - Ivana Banic
- Children’s Hospital Srebrnjak, Zagreb, Croatia
| | | | | | - Ivo Ugrina
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Ana Vecenaj
- Children’s Hospital Srebrnjak, Zagreb, Croatia
| | | | | | | | - Davor Plavec
- Children’s Hospital Srebrnjak, Zagreb, Croatia
- University of Osijek, Faculty of Medicine, Osijek, Croatia
| | | | - Mirjana Turkalj
- Children’s Hospital Srebrnjak, Zagreb, Croatia
- University of Osijek, Faculty of Medicine, Osijek, Croatia
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
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45
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The promise of protein glycosylation for personalised medicine. Biochim Biophys Acta Gen Subj 2016; 1860:1583-95. [DOI: 10.1016/j.bbagen.2016.03.012] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 03/04/2016] [Accepted: 03/05/2016] [Indexed: 12/21/2022]
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46
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Yu X, Wang Y, Kristic J, Dong J, Chu X, Ge S, Wang H, Fang H, Gao Q, Liu D, Zhao Z, Peng H, Pucic Bakovic M, Wu L, Song M, Rudan I, Campbell H, Lauc G, Wang W. Profiling IgG N-glycans as potential biomarker of chronological and biological ages: A community-based study in a Han Chinese population. Medicine (Baltimore) 2016; 95:e4112. [PMID: 27428197 PMCID: PMC4956791 DOI: 10.1097/md.0000000000004112] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
As an important post-translation modifying process, glycosylation significantly affects the structure and function of immunoglobulin G (IgG) molecules and is essential in many steps of the inflammatory cascade. Studies have demonstrated the potential of using glycosylation features of IgG as a component of predictive biomarkers for chronological age in several European populations, whereas no study has been reported in Chinese. Herein, we report various patterns of changes in IgG glycosylation associated with age by analyzing IgG glycosylation in 701 community-based Han Chinese (244 males, 457 females; 23-68 years old). Eleven IgG glycans, including FA2B, A2G1, FA2[6]G1, FA2[3]G1, FA2[6]BG1, FA2[3]BG1, A2G2, A2BG2, FA2G2, FA2G2S1, and FA2G2S2, change considerably with age and specific combinations of these glycan features can explain 23.3% to 45.4% of the variance in chronological age in this population. This indicates that these combinations of glycan features provide more predictive information than other single markers of biological age such as telomere length. In addition, the clinical traits such as fasting plasma glucose and aspartate aminotransferase associated with biological age are strongly correlated with the combined glycan features. We conclude that IgG glycosylation appears to correlate with both chronological and biological ages, and thus its possible role in the aging process merits further study.
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Affiliation(s)
- Xinwei Yu
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Youxin Wang
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | | | - Jing Dong
- Physical Examination Center, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Xi Chu
- Physical Examination Center, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Siqi Ge
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
| | - Hao Wang
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Honghong Fang
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Qing Gao
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Di Liu
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Zhongyao Zhao
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Hongli Peng
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | | | - Lijuan Wu
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Manshu Song
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Igor Rudan
- Centre for Population Health Sciences, Medical School, University of Edinburgh, Edinburgh, UK
| | - Harry Campbell
- Centre for Population Health Sciences, Medical School, University of Edinburgh, Edinburgh, UK
| | - Gordan Lauc
- Genos Glycobiology Research Laboratory, Zagreb, Croatia
| | - Wei Wang
- Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
- School of Medical and Health Sciences, Edith Cowan University, Perth, WA, Australia
- Correspondence: Wei Wang, Beijing Municipal Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing 100069, China; Global Health and Genomics, School of Medical and Health Sciences, Edith Cowan University, WA 6027, Australia (e-mail: )
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47
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de Haan N, Reiding KR, Driessen G, van der Burg M, Wuhrer M. Changes in Healthy Human IgG Fc-Glycosylation after Birth and during Early Childhood. J Proteome Res 2016; 15:1853-61. [DOI: 10.1021/acs.jproteome.6b00038] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Noortje de Haan
- Leiden University Medical Center, Center for Proteomics
and Metabolomics, 2300 RC Leiden, The Netherlands
| | - Karli R. Reiding
- Leiden University Medical Center, Center for Proteomics
and Metabolomics, 2300 RC Leiden, The Netherlands
| | | | | | - Manfred Wuhrer
- Leiden University Medical Center, Center for Proteomics
and Metabolomics, 2300 RC Leiden, The Netherlands
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48
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Trbojević-Akmačić I, Vilaj M, Lauc G. High-throughput analysis of immunoglobulin G glycosylation. Expert Rev Proteomics 2016; 13:523-34. [DOI: 10.1080/14789450.2016.1174584] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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49
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Borelli V, Vanhooren V, Lonardi E, Reiding KR, Capri M, Libert C, Garagnani P, Salvioli S, Franceschi C, Wuhrer M. Plasma N-Glycome Signature of Down Syndrome. J Proteome Res 2015; 14:4232-45. [DOI: 10.1021/acs.jproteome.5b00356] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Vincenzo Borelli
- Department
of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna 40138, Italy
| | - Valerie Vanhooren
- Inflammation
Research Center, VIB, 9052 Ghent, Belgium
- Department
of Biomedical Molecular Biology, UGent, 9052 Ghent, Belgium
| | - Emanuela Lonardi
- Center
for Proteomics and Metabolomics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Karli R. Reiding
- Center
for Proteomics and Metabolomics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Miriam Capri
- Department
of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna 40138, Italy
| | - Claude Libert
- Inflammation
Research Center, VIB, 9052 Ghent, Belgium
- Department
of Biomedical Molecular Biology, UGent, 9052 Ghent, Belgium
| | - Paolo Garagnani
- Department
of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna 40138, Italy
- Interdepartmental
Centre “L. Galvani” for Integrated Studies of Bioinformatics,
Biophysics and Biocomplexity (CIG), University of Bologna, 40126 Bologna, Italy
| | - Stefano Salvioli
- Department
of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna 40138, Italy
| | - Claudio Franceschi
- Department
of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna 40138, Italy
- Interdepartmental
Centre “L. Galvani” for Integrated Studies of Bioinformatics,
Biophysics and Biocomplexity (CIG), University of Bologna, 40126 Bologna, Italy
- IRCCS, Institute of Neurological Sciences of Bologna, 40139 Bologna, Italy
- IGM-CNR
Institute of Molecular Genetics, Unit of Bologna IOR, 40136 Bologna, Italy
| | - Manfred Wuhrer
- Center
for Proteomics and Metabolomics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
- Division
of BioAnalytical Chemistry, VU University Amsterdam, 1081 HV Amsterdam, The Netherlands
- Department
of Molecular Cell Biology and Immunology, VU University Medical Center, 1007 MB Amsterdam, The Netherlands
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50
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Defaus S, Gupta P, Andreu D, Gutiérrez-Gallego R. Mammalian protein glycosylation--structure versus function. Analyst 2015; 139:2944-67. [PMID: 24779027 DOI: 10.1039/c3an02245e] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Carbohydrates fulfil many common as well as extremely important functions in nature. They show a variety of molecular displays--e.g., free mono-, oligo-, and polysaccharides, glycolipids, proteoglycans, glycoproteins, etc.--with particular roles and localizations in living organisms. Structure-specific peculiarities are so many and diverse that it becomes virtually impossible to cover them all from an analytical perspective. Hence this manuscript, focused on mammalian glycosylation, rather than a complete list of analytical descriptors or recognized functions for carbohydrate structures, comprehensively reviews three central issues in current glycoscience, namely (i) structural analysis of glycoprotein glycans, covering both classical and novel approaches for teasing out the structural puzzle as well as potential pitfalls of these processes; (ii) an overview of functions attributed to carbohydrates, covering from monosaccharide to complex, well-defined epitopes and full glycans, including post-glycosylational modifications, and (iii) recent technical advances allowing structural identification of glycoprotein glycans with simultaneous assignation of biological functions.
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Affiliation(s)
- S Defaus
- Department of Experimental and Health Sciences, Pompeu Fabra University, Barcelona Biomedical Research Park, 08003 Barcelona, Spain.
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