1
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Ding T, Wang Y, Meng Y, Wu E, Shao Q, Lin S, Yu Y, Qian J, He Q, Zhang J, Wang J, Kohane DS, Zhan C. Reciprocal Interaction with Neutrophils Facilitates Cutaneous Accumulation of Liposomes. ACS NANO 2024; 18:18769-18784. [PMID: 38950189 DOI: 10.1021/acsnano.4c06638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Liposomes are versatile drug delivery systems in clinical use for cancer and many other diseases. Unfortunately, PEGylated liposomal doxorubicin (sLip/DOX) exhibits serious dose-limiting cutaneous toxicities, which are closely related to the extravascular accumulation of sLip/DOX in the dermis. No clinical interventions have been proposed for cutaneous toxicities due to the elusive transport pathways. Herein, we showed that the reciprocal interaction between liposomes and neutrophils played pivotal roles in liposome extravasation into the dermis. Neutrophils captured liposomes via the complement receptor 3 (CD11b/CD18) recognizing the fragment of complement component C3 (iC3b) deposited on the liposomal surface. Uptake of liposomes also activated neutrophils to induce CD11b upregulation and enhanced the ability of neutrophils to migrate outside the capillaries. Furthermore, inhibition of complement activation either by CRIg-L-FH (a C3b/iC3b targeted complement inhibitor) or blocking the phosphate negative charge in mPEG-DSPE could significantly reduce liposome uptake by neutrophils and alleviate the cutaneous accumulation of liposomes. These results validated the liposome extravasation pathway mediated by neutrophils and provided potential solutions to the devastating cutaneous toxicities occurring during sLip/DOX treatment.
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Affiliation(s)
- Tianhao Ding
- Department of Pharmacology, School of Basic Medical Sciences & Department of Pharmacy, Shanghai Pudong Hospital, Fudan University, Shanghai 200032, P. R. China
| | - Yang Wang
- Shanghai Institute of Immunology, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P. R. China
| | - Yanchun Meng
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P. R. China
| | - Ercan Wu
- Department of Pharmacology, School of Basic Medical Sciences & Department of Pharmacy, Shanghai Pudong Hospital, Fudan University, Shanghai 200032, P. R. China
| | - Qianwen Shao
- School of Pharmacy & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 201203, P. R. China
| | - Shiqi Lin
- Department of Pharmacology, School of Basic Medical Sciences & Department of Pharmacy, Shanghai Pudong Hospital, Fudan University, Shanghai 200032, P. R. China
| | - Yifei Yu
- Department of Pharmacology, School of Basic Medical Sciences & Department of Pharmacy, Shanghai Pudong Hospital, Fudan University, Shanghai 200032, P. R. China
| | - Jun Qian
- School of Pharmacy & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 201203, P. R. China
| | - Qin He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, West China School of Pharmacy, Sichuan University, Chengdu 610041, P. R. China
| | - Jian Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P. R. China
| | - Jing Wang
- Shanghai Institute of Immunology, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P. R. China
| | - Daniel S Kohane
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Children's Hospital Boston, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Changyou Zhan
- Department of Pharmacology, School of Basic Medical Sciences & Department of Pharmacy, Shanghai Pudong Hospital, Fudan University, Shanghai 200032, P. R. China
- School of Pharmacy & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 201203, P. R. China
- Shanghai Engineering Research Center for Synthetic Immunology, Fudan University, Shanghai 200032, P. R. China
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2
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Babulic JL, De León González FV, Capicciotti CJ. Recent advances in photoaffinity labeling strategies to capture Glycan-Protein interactions. Curr Opin Chem Biol 2024; 80:102456. [PMID: 38705088 DOI: 10.1016/j.cbpa.2024.102456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/27/2024] [Accepted: 04/01/2024] [Indexed: 05/07/2024]
Abstract
Glycans decorate all cells and are critical mediators of cellular processes through recognition by glycan-binding proteins (GBPs). While targeting glycan-protein interactions has great therapeutic potential, these interactions are challenging to study as they are generally transient and exhibit low binding affinities. Glycan-based photo-crosslinkable probes have enabled covalent capture and identification of unknown GBP receptors and glycoconjugate ligands. Here, we review recent progress in photo-crosslinking approaches targeting glycan-mediated interactions. We discuss two prominent emerging strategies: 1) development of photo-crosslinkable oligosaccharide ligands to identify GBP receptors; and 2) cell-surface glyco-engineering to identify glycoconjugate ligands of GBPs. Overall, photoaffinity labeling affords valuable insights into complex glycan-protein networks and is poised to help elucidate the glycan-protein interactome, providing novel targets for therapeutic intervention.
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Affiliation(s)
- Jonathan L Babulic
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, K7L 3N6, Canada
| | | | - Chantelle J Capicciotti
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, K7L 3N6, Canada; Department of Chemistry, Queen's University, Kingston, K7L 2S8, Canada; Department of Surgery, Queen's University, Kingston, K7L 2V7, Canada.
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3
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Ocampo YC, Castro JP, Pájaro IB, Caro D, Talero E, Motilva V, Franco LA. Protective effect of sucrose esters from cape gooseberry (Physalis peruviana L.) in TNBS-induced colitis. PLoS One 2024; 19:e0299687. [PMID: 38512973 PMCID: PMC10957089 DOI: 10.1371/journal.pone.0299687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 02/15/2024] [Indexed: 03/23/2024] Open
Abstract
Phytotherapy is an attractive strategy to treat inflammatory bowel disease (IBD) that could be especially useful in developing countries. We previously demonstrated the intestinal anti-inflammatory effect of the total ethereal extract from the Physalis peruviana (Cape gooseberry) calyces in TNBS-induced colitis. This work investigates the therapeutic potential of Peruviose A and B, two sucrose esters that constitute the major metabolites of its calyces. The effect of the Peruvioses A and B mixture on TNBS-induced colitis was studied after 3 (preventive) and 15-days (therapy set-up) of colitis induction in rats. Colonic inflammation was assessed by measuring macroscopic/histologic damage, MPO activity, and biochemical changes. Additionally, LPS-stimulated RAW 264.7 macrophages were treated with test compounds to determine the effect on cytokine imbalance in these cells. Peruvioses mixture ameliorated TNBS-induced colitis in acute (preventive) or established (therapeutic) settings. Although 3-day treatment with compounds did not produce a potent effect, it was sufficient to significantly reduce the extent/severity of tissue damage and the microscopic disturbances. Beneficial effects in the therapy set-up were substantially higher and involved the inhibition of pro-inflammatory enzymes (iNOS, COX-2), cytokines (TNF-α, IL-1β, and IL-6), as well as epithelial regeneration with restoration of goblet cells numbers and expression of MUC-2 and TFF-3. Consistently, LPS-induced RAW 264.7 cells produced less NO, PGE2, TNF-α, IL-6, and MCP-1. These effects might be related to the inhibition of the NF-κB signaling pathway. Our results suggest that sucrose esters from P. peruviana calyces, non-edible waste from fruit production, might be useful as an alternative IBD treatment.
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Affiliation(s)
- Yanet C. Ocampo
- Biological Evaluation of Promising Substances Group, Faculty of Pharmaceutical Science, Universidad de Cartagena, Cartagena, Colombia
| | - Jenny P. Castro
- Biological Evaluation of Promising Substances Group, Faculty of Pharmaceutical Science, Universidad de Cartagena, Cartagena, Colombia
- Faculty of Chemistry and Pharmacy, Universidad del Atlántico, Barranquilla, Colombia
| | - Indira B. Pájaro
- Biological Evaluation of Promising Substances Group, Faculty of Pharmaceutical Science, Universidad de Cartagena, Cartagena, Colombia
- Faculty of Chemistry and Pharmacy, Universidad del Atlántico, Barranquilla, Colombia
| | - Daneiva Caro
- Biological Evaluation of Promising Substances Group, Faculty of Pharmaceutical Science, Universidad de Cartagena, Cartagena, Colombia
| | - Elena Talero
- Department of Pharmacology, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
| | - Virginia Motilva
- Department of Pharmacology, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
| | - Luis A. Franco
- Biological Evaluation of Promising Substances Group, Faculty of Pharmaceutical Science, Universidad de Cartagena, Cartagena, Colombia
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4
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Pinioti S, Sharma H, Flerin NC, Yu Q, Tzoumpa A, Cafarello ST, De Bousser E, Callewaert N, Oldenhove G, Schlenner S, Thienpont B, Garg AD, Di Matteo M, Mazzone M. A Metabolic Gene Survey Pinpoints Fucosylation as a Key Pathway Underlying the Suppressive Function of Regulatory T Cells in Cancer. Cancer Immunol Res 2023; 11:1611-1629. [PMID: 37933083 PMCID: PMC7615342 DOI: 10.1158/2326-6066.cir-22-0606] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 02/22/2023] [Accepted: 10/18/2023] [Indexed: 11/08/2023]
Abstract
Forkhead box P3 (Foxp3)-expressing regulatory T cells (Treg) are the guardians of controlled immune reactions and prevent the development of autoimmune diseases. However, in the tumor context, their increased number suppresses antitumor immune responses, indicating the importance of understanding the mechanisms behind their function and stability. Metabolic reprogramming can affect Foxp3 regulation and, therefore, Treg suppressive function and fitness. Here, we performed a metabolic CRISPR/Cas9 screen and pinpointed novel candidate positive and negative metabolic regulators of Foxp3. Among the positive regulators, we revealed that targeting the GDP-fucose transporter Slc35c1, and more broadly fucosylation (Fuco), in Tregs compromises their proliferation and suppressive function both in vitro and in vivo, leading to alteration of the tumor microenvironment and impaired tumor progression and protumoral immune responses. Pharmacologic inhibition of Fuco dampened tumor immunosuppression mostly by targeting Tregs, thus resulting in reduced tumor growth. In order to substantiate these findings in humans, tumoral Tregs from patients with colorectal cancer were clustered on the basis of the expression of Fuco-related genes. FucoLOW Tregs were found to exhibit a more immunogenic profile compared with FucoHIGH Tregs. Furthermore, an enrichment of a FucoLOW signature, mainly derived from Tregs, correlated with better prognosis and response to immune checkpoint blockade in melanoma patients. In conclusion, Slc35c1-dependent Fuco is able to regulate the suppressive function of Tregs, and measuring its expression in Tregs might pave the way towards a useful biomarker model for patients with cancer. See related Spotlight by Silveria and DuPage, p. 1570.
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Affiliation(s)
- Sotiria Pinioti
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven B3000, Belgium
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven B3000, Belgium
| | - Himal Sharma
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven B3000, Belgium
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven B3000, Belgium
| | - Nina C Flerin
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven B3000, Belgium
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven B3000, Belgium
| | - Qian Yu
- laboratory for Functional Epigenetics, Department of Human Genetics, KU Leuven, Leuven B3000, Belgium
| | - Amalia Tzoumpa
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven B3000, Belgium
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven B3000, Belgium
| | - Sarah Trusso Cafarello
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven B3000, Belgium
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven B3000, Belgium
| | - Elien De Bousser
- Medical Biotechnology Center, VIB, Ghent, Belgium
- Department of Biochemistry and Microbiology, Ghent University, Ghent, Belgium
| | - Nico Callewaert
- Medical Biotechnology Center, VIB, Ghent, Belgium
- Department of Biochemistry and Microbiology, Ghent University, Ghent, Belgium
| | - Guillaume Oldenhove
- laboratory of Immunobiology, Université Libre de Bruxelles, Gosselies, Belgium
- U-CRI (UCL Center for Research in Immunobiology), Université Libre de Bruxelles, Gosselies, Belgium
| | - Susan Schlenner
- KU Leuven-University of Leuven, Department of Microbiology, Immunology and Transplantation, Leuven B3000, Belgium
| | - Bernard Thienpont
- laboratory for Functional Epigenetics, Department of Human Genetics, KU Leuven, Leuven B3000, Belgium
| | - Abhishek D Garg
- laboratory for Cell Stress & Immunity (CSI), Department for Cellular and Molecular Medicine, KU Leuven, Leuven B3000, Belgium
| | - Mario Di Matteo
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven B3000, Belgium
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven B3000, Belgium
| | - Massimiliano Mazzone
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven B3000, Belgium
- laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven B3000, Belgium
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5
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Shinde P, Kiepas A, Zhang L, Sudhir S, Konstantopoulos K, Stamatos NM. Polysialylation controls immune function of myeloid cells in murine model of pneumococcal pneumonia. Cell Rep 2023; 42:112648. [PMID: 37339052 PMCID: PMC10592499 DOI: 10.1016/j.celrep.2023.112648] [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: 11/01/2022] [Revised: 04/13/2023] [Accepted: 05/31/2023] [Indexed: 06/22/2023] Open
Abstract
Polysialic acid (polySia) is a post-translational modification of a select group of cell-surface proteins that guides cellular interactions. As the overall impact of changes in expression of this glycan on leukocytes during infection is not known, we evaluate the immune response of polySia-deficient ST8SiaIV-/- mice infected with Streptococcus pneumoniae (Spn). Compared with wild-type (WT) mice, ST8SiaIV-/- mice are less susceptible to infection and clear Spn from airways faster, with alveolar macrophages demonstrating greater viability and phagocytic activity. Leukocyte pulmonary recruitment, paradoxically, is diminished in infected ST8SiaIV-/- mice, corroborated by adoptive cell transfer, microfluidic migration experiments, and intravital microscopy, and possibly explained by dysregulated ERK1/2 signaling. PolySia is progressively lost from neutrophils and monocytes migrating from bone marrow to alveoli in Spn-infected WT mice, consistent with changing cellular functions. These data highlight multidimensional effects of polySia on leukocytes during an immune response and suggest therapeutic interventions for optimizing immunity.
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Affiliation(s)
- Prajakta Shinde
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Alexander Kiepas
- Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Lei Zhang
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Shreya Sudhir
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Konstantinos Konstantopoulos
- Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Nicholas M Stamatos
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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6
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Vilen Z, Reeves AE, Huang ML. (Glycan Binding) Activity‐Based Protein Profiling in Cells Enabled by Mass Spectrometry‐Based Proteomics. Isr J Chem 2023; 63. [PMID: 37131487 PMCID: PMC10150848 DOI: 10.1002/ijch.202200097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The presence of glycan modifications at the cell surface and other locales positions them as key regulators of cell recognition and function. However, due to the complexity of glycosylation, the annotation of which proteins bear glycan modifications, which glycan patterns are present, and which proteins are capable of binding glycans is incomplete. Inspired by activity-based protein profiling to enrich for proteins in cells based on select characteristics, these endeavors have been greatly advanced by the development of appropriate glycan-binding and glycan-based probes. Here, we provide context for these three problems and describe how the capability of molecules to interact with glycans has enabled the assignment of proteins with specific glycan modifications or of proteins that bind glycans. Furthermore, we discuss how the integration of these probes with high resolution mass spectrometry-based technologies has greatly advanced glycoscience.
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Affiliation(s)
- Zak Vilen
- Skaggs Graduate School of Chemical and Biological Sciences Scripps Research 10550 N. Torrey Pines Rd. La Jolla CA 92037 USA
- Department of Molecular Medicine Scripps Research 10550 N. Torrey Pines Rd. La Jolla CA 92037, USA
| | - Abigail E. Reeves
- Skaggs Graduate School of Chemical and Biological Sciences Scripps Research 10550 N. Torrey Pines Rd. La Jolla CA 92037 USA
- Department of Molecular Medicine Scripps Research 10550 N. Torrey Pines Rd. La Jolla CA 92037, USA
| | - Mia L. Huang
- Skaggs Graduate School of Chemical and Biological Sciences Scripps Research 10550 N. Torrey Pines Rd. La Jolla CA 92037 USA
- Department of Molecular Medicine Scripps Research 10550 N. Torrey Pines Rd. La Jolla CA 92037, USA
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7
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Ricken F, Can AD, Gräber S, Häusler M, Jahnen-Dechent W. Post-translational modifications glycosylation and phosphorylation of the major hepatic plasma protein fetuin-A are associated with CNS inflammation in children. PLoS One 2022; 17:e0268592. [PMID: 36206263 PMCID: PMC9544022 DOI: 10.1371/journal.pone.0268592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 09/24/2022] [Indexed: 12/03/2022] Open
Abstract
Fetuin-A is a liver derived plasma protein showing highest serum concentrations in utero, preterm infants, and neonates. Fetuin-A is also present in cerebrospinal fluid (CSF). The origin of CSF fetuin-A, blood-derived via the blood-CSF barrier or synthesized intrathecally, is presently unclear. Fetuin-A prevents ectopic calcification by stabilizing calcium and phosphate as colloidal calciprotein particles mediating their transport and clearance. Thus, fetuin-A plays a suppressive role in inflammation. Fetuin-A is a negative acute-phase protein under investigation as a biomarker for multiple sclerosis (MS). Here we studied the association of pediatric inflammatory CNS diseases with fetuin-A glycosylation and phosphorylation. Paired blood and CSF samples from 66 children were included in the study. Concentration measurements were performed using a commercial human fetuin-A/AHSG ELISA. Of 60 pairs, 23 pairs were analyzed by SDS-PAGE following glycosidase digestion with PNGase-F and Sialidase-AU. Phosphorylation was analyzed in 43 pairs by Phos-TagTM acrylamide electrophoresis following alkaline phosphatase digestion. Mean serum and CSF fetuin-A levels were 0.30 ± 0.06 mg/ml and 0.644 ± 0.55 μg/ml, respectively. This study showed that serum fetuin-A levels decreased in inflammation corroborating its role as a negative acute-phase protein. Blood-CSF barrier disruption was associated with elevated fetuin-A in CSF. A strong positive correlation was found between the CSF fetuin-A/serum fetuin-A quotient and the CSF albumin/serum albumin quotient, suggesting predominantly transport across the blood-CSF barrier rather than intrathecal fetuin-A synthesis. Sialidase digestion showed increased asialofetuin-A levels in serum and CSF samples from children with neuroinflammatory diseases. Desialylation enhanced hepatic fetuin-A clearance via the asialoglycoprotein receptor thus rapidly reducing serum levels during inflammation. Phosphorylation of fetuin-A was more abundant in serum samples than in CSF, suggesting that phosphorylation may regulate fetuin-A influx into the CNS. These results may help establish Fetuin-A as a potential biomarker for neuroinflammatory diseases.
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Affiliation(s)
- Frederik Ricken
- Division of Neuropediatrics and Social Pediatrics, Department of Pediatrics, RWTH Aachen University Hospital, Aachen, Germany
- Helmholtz Institute for Biomedical Engineering, Biointerface Laboratory, RWTH Aachen University Hospital, Aachen, Germany
| | - Ahu Damla Can
- Division of Neuropediatrics and Social Pediatrics, Department of Pediatrics, RWTH Aachen University Hospital, Aachen, Germany
- Helmholtz Institute for Biomedical Engineering, Biointerface Laboratory, RWTH Aachen University Hospital, Aachen, Germany
| | - Steffen Gräber
- Helmholtz Institute for Biomedical Engineering, Biointerface Laboratory, RWTH Aachen University Hospital, Aachen, Germany
| | - Martin Häusler
- Division of Neuropediatrics and Social Pediatrics, Department of Pediatrics, RWTH Aachen University Hospital, Aachen, Germany
| | - Willi Jahnen-Dechent
- Helmholtz Institute for Biomedical Engineering, Biointerface Laboratory, RWTH Aachen University Hospital, Aachen, Germany
- * E-mail:
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8
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Clinical impact of glycans in platelet and megakaryocyte biology. Blood 2022; 139:3255-3263. [PMID: 35015813 PMCID: PMC9164739 DOI: 10.1182/blood.2020009303] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 09/23/2021] [Indexed: 11/20/2022] Open
Abstract
Humans produce and remove 1011 platelets daily to maintain a steady-state platelet count. The tight regulation of platelet production and removal from the blood circulation prevents anomalies in both processes from resulting in reduced or increased platelet count, often associated with the risk of bleeding or overt thrombus formation, respectively. This review focuses on the role of glycans, also known as carbohydrates or oligosaccharides, including N- and O-glycans, proteoglycans, and glycosaminoglycans, in human and mouse platelet and megakaryocyte physiology. Based on recent clinical observations and mouse models, we focused on the pathologic aspects of glycan biosynthesis and degradation and their effects on platelet numbers and megakaryocyte function.
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9
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Howlader MA, Demina EP, Samarani S, Guo T, Caillon A, Ahmad A, Pshezhetsky AV, Cairo CW. The Janus-like role of neuraminidase isoenzymes in inflammation. FASEB J 2022; 36:e22285. [PMID: 35363389 PMCID: PMC9323473 DOI: 10.1096/fj.202101218r] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 02/09/2022] [Accepted: 03/17/2022] [Indexed: 01/13/2023]
Abstract
The processes of activation, extravasation, and migration of immune cells to a site are early and essential steps in the induction of an acute inflammatory response. These events are an essential part of the inflammatory cascade, which involves multiple regulatory steps. Using a murine air pouch model of inflammation with LPS as an inflammation inducer, we demonstrate that isoenzymes of the neuraminidase family (NEU1, 3, and 4) play essential roles in these processes by acting as positive or negative regulators of leukocyte infiltration. In genetically knocked‐out (KO) mice for different NEU genes (Neu1 KO, Neu3 KO, Neu4 KO, and Neu3/4 double KO mice) with LPS‐induced air pouch inflammation, leukocytes at the site of inflammation were counted, and the inflamed tissue was analyzed using immunohistochemistry. Our data show that leukocyte recruitment was decreased in NEU1‐ and NEU3‐deficient mice, while it was increased in NEU4‐deficient animals. Consistent with these results, systemic as well as pouch exudate levels of pro‐inflammatory cytokines were reduced in Neu1 and increased in Neu4 KO mice. Pharmacological inhibitors specific for NEU1, NEU3, and NEU4 isoforms also affected leukocyte recruitment. Together our data demonstrate that NEU isoenzymes have distinct—and even opposing—effects on leukocyte recruitment, and therefore warrant further investigation to determine their mechanisms and importance as regulators of the inflammatory cascade.
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Affiliation(s)
- Md Amran Howlader
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Ekaterina P Demina
- Division of Medical Genetics, Sainte-Justine Hospital Research Center, University of Montreal, Montreal, Quebec, Canada
| | - Suzanne Samarani
- Department of Microbiology, Infectious Diseases & Immunology, Sainte-Justine Hospital Research Center, University of Montreal, Montreal, Quebec, Canada
| | - Tianlin Guo
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Antoine Caillon
- Division of Medical Genetics, Sainte-Justine Hospital Research Center, University of Montreal, Montreal, Quebec, Canada
| | - Ali Ahmad
- Department of Microbiology, Infectious Diseases & Immunology, Sainte-Justine Hospital Research Center, University of Montreal, Montreal, Quebec, Canada
| | - Alexey V Pshezhetsky
- Division of Medical Genetics, Sainte-Justine Hospital Research Center, University of Montreal, Montreal, Quebec, Canada.,Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec, Canada
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10
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How far is it from infant formula to human milk? A look at the human milk oligosaccharides. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.09.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Gao W, Bai Y, Liu H. Glutathione-functionalized two-dimensional cobalt sulfide nanosheets for rapid and highly efficient enrichment of N-glycopeptides. Mikrochim Acta 2021; 188:274. [PMID: 34318367 DOI: 10.1007/s00604-021-04909-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 06/21/2021] [Indexed: 10/20/2022]
Abstract
Protein glycosylation plays pivotal role in a variety of biological processes and has association with many diseases. The highly efficient glycopeptide enrichment is essential for the mass spectrometry-based glycoproteome research to reduce interference from non-glycopeptides. In this study, novel glutathione-functionalized two-dimensional cobalt sulfide nanosheets (Co-S@Au-GSH) were synthesized for rapid and highly effective enrichment of glycopeptides. By using this nanomaterial, 34 and 21 N-glycopeptides were effectively captured from human serum immunoglobulin G (IgG) and horseradish peroxidase (HRP) digests, respectively. In addition, the Co-S@Au-GSH showed remarkable performance in N-glycopeptide extraction with high selectivity (HRP: BSA = 1:500), low limit of detection (0.5 fmol/μL), high binding capacity (150 mg/g), good reusability, and great robustness. Moreover, it was successfully applied in complex serum samples, demonstrating its excellent enrichment performance. These results indicated that this nanomaterial has great potential in complicated practice samples in glycoproteome determination.
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Affiliation(s)
- Wenjie Gao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, People's Republic of China
| | - Yu Bai
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, People's Republic of China.
| | - Huwei Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, People's Republic of China
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12
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Pezhman L, Tahrani A, Chimen M. Dysregulation of Leukocyte Trafficking in Type 2 Diabetes: Mechanisms and Potential Therapeutic Avenues. Front Cell Dev Biol 2021; 9:624184. [PMID: 33692997 PMCID: PMC7937619 DOI: 10.3389/fcell.2021.624184] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 02/04/2021] [Indexed: 12/18/2022] Open
Abstract
Type 2 Diabetes Mellitus (T2DM) is a chronic inflammatory disorder that is characterized by chronic hyperglycemia and impaired insulin signaling which in addition to be caused by common metabolic dysregulations, have also been associated to changes in various immune cell number, function and activation phenotype. Obesity plays a central role in the development of T2DM. The inflammation originating from obese adipose tissue develops systemically and contributes to insulin resistance, beta cell dysfunction and hyperglycemia. Hyperglycemia can also contribute to chronic, low-grade inflammation resulting in compromised immune function. In this review, we explore how the trafficking of innate and adaptive immune cells under inflammatory condition is dysregulated in T2DM. We particularly highlight the obesity-related accumulation of leukocytes in the adipose tissue leading to insulin resistance and beta-cell dysfunction and resulting in hyperglycemia and consequent changes of adhesion and migratory behavior of leukocytes in different vascular beds. Thus, here we discuss how potential therapeutic targeting of leukocyte trafficking could be an efficient way to control inflammation as well as diabetes and its vascular complications.
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Affiliation(s)
- Laleh Pezhman
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Abd Tahrani
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, United Kingdom.,University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Myriam Chimen
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
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13
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Lin WC, Fessler MB. Regulatory mechanisms of neutrophil migration from the circulation to the airspace. Cell Mol Life Sci 2021; 78:4095-4124. [PMID: 33544156 PMCID: PMC7863617 DOI: 10.1007/s00018-021-03768-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/22/2020] [Accepted: 01/16/2021] [Indexed: 02/07/2023]
Abstract
The neutrophil, a short-lived effector leukocyte of the innate immune system best known for its proteases and other degradative cargo, has unique, reciprocal physiological interactions with the lung. During health, large numbers of ‘marginated’ neutrophils reside within the pulmonary vasculature, where they patrol the endothelial surface for pathogens and complete their life cycle. Upon respiratory infection, rapid and sustained recruitment of neutrophils through the endothelial barrier, across the extravascular pulmonary interstitium, and again through the respiratory epithelium into the airspace lumen, is required for pathogen killing. Overexuberant neutrophil trafficking to the lung, however, causes bystander tissue injury and underlies several acute and chronic lung diseases. Due in part to the unique architecture of the lung’s capillary network, the neutrophil follows a microanatomic passage into the distal airspace unlike that observed in other end-organs that it infiltrates. Several of the regulatory mechanisms underlying the stepwise recruitment of circulating neutrophils to the infected lung have been defined over the past few decades; however, fundamental questions remain. In this article, we provide an updated review and perspective on emerging roles for the neutrophil in lung biology, on the molecular mechanisms that control the trafficking of neutrophils to the lung, and on past and ongoing efforts to design therapeutics to intervene upon pulmonary neutrophilia in lung disease.
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Affiliation(s)
- Wan-Chi Lin
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, P.O. Box 12233, MD D2-01, Research Triangle Park, NC, 27709, USA
| | - Michael B Fessler
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, P.O. Box 12233, MD D2-01, Research Triangle Park, NC, 27709, USA.
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14
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Krautter F, Iqbal AJ. Glycans and Glycan-Binding Proteins as Regulators and Potential Targets in Leukocyte Recruitment. Front Cell Dev Biol 2021; 9:624082. [PMID: 33614653 PMCID: PMC7890243 DOI: 10.3389/fcell.2021.624082] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 01/12/2021] [Indexed: 12/19/2022] Open
Abstract
Leukocyte recruitment is a highly controlled cascade of interactions between proteins expressed by the endothelium and circulating leukocytes. The involvement of glycans and glycan-binding proteins in the leukocyte recruitment cascade has been well-characterised. However, our understanding of these interactions and their regulation has expanded substantially in recent years to include novel lectins and regulatory pathways. In this review, we discuss the role of glycans and glycan-binding proteins, mediating the interactions between endothelium and leukocytes both directly and indirectly. We also highlight recent findings of key enzymes involved in glycosylation which affect leukocyte recruitment. Finally, we investigate the potential of glycans and glycan binding proteins as therapeutic targets to modulate leukocyte recruitment and transmigration in inflammation.
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Affiliation(s)
- Franziska Krautter
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Asif J Iqbal
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom
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15
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Luzentales-Simpson M, Pang YCF, Zhang A, Sousa JA, Sly LM. Vedolizumab: Potential Mechanisms of Action for Reducing Pathological Inflammation in Inflammatory Bowel Diseases. Front Cell Dev Biol 2021; 9:612830. [PMID: 33614645 PMCID: PMC7887288 DOI: 10.3389/fcell.2021.612830] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 01/12/2021] [Indexed: 12/22/2022] Open
Abstract
Inflammatory bowel diseases (IBD), encompassing ulcerative colitis (UC), and Crohn’s disease (CD), are a group of disorders characterized by chronic, relapsing, and remitting, or progressive inflammation along the gastrointestinal tract. IBD is accompanied by massive infiltration of circulating leukocytes into the intestinal mucosa. Leukocytes such as neutrophils, monocytes, and T-cells are recruited to the affected site, exacerbating inflammation and causing tissue damage. Current treatments used to block inflammation in IBD include aminosalicylates, corticosteroids, immunosuppressants, and biologics. The first successful biologic, which revolutionized IBD treatment, targeted the pro-inflammatory cytokine, tumor necrosis factor alpha (TNFα). Infliximab, adalimumab, and other anti-TNF antibodies neutralize TNFα, preventing interactions with its receptors and reducing the inflammatory response. However, up to 40% of people with IBD become unresponsive to anti-TNFα therapy. Thus, more recent biologics have been designed to block leukocyte trafficking to the inflamed intestine by targeting integrins and adhesins. For example, natalizumab targets the α4 chain of integrin heterodimers, α4β1 and α4β7, on leukocytes. However, binding of α4β1 is associated with increased risk for developing progressive multifocal leukoencephalopathy, an often-fatal disease, and thus, it is not used to treat IBD. To target leukocyte infiltration without this life-threatening complication, vedolizumab was developed. Vedolizumab specifically targets the α4β7 integrin and was approved to treat IBD based on the presumption that it would block T-cell recruitment to the intestine. Though vedolizumab is an effective treatment for IBD, some studies suggest that it may not block T-cell recruitment to the intestine and its mechanism(s) of action remain unclear. Vedolizumab may reduce inflammation by blocking recruitment of T-cells, or pro-inflammatory monocytes and dendritic cells to the intestine, and/or vedolizumab may lead to changes in the programming of innate and acquired immune cells dampening down inflammation.
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Affiliation(s)
- Matthew Luzentales-Simpson
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital and the University of British Columbia, Vancouver, BC, Canada
| | - Yvonne C F Pang
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital and the University of British Columbia, Vancouver, BC, Canada
| | - Ada Zhang
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital and the University of British Columbia, Vancouver, BC, Canada
| | - James A Sousa
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital and the University of British Columbia, Vancouver, BC, Canada
| | - Laura M Sly
- Division of Gastroenterology, Department of Pediatrics, BC Children's Hospital and the University of British Columbia, Vancouver, BC, Canada
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16
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Qin R, Mahal LK. The host glycomic response to pathogens. Curr Opin Struct Biol 2021; 68:149-156. [PMID: 33529786 DOI: 10.1016/j.sbi.2020.12.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/22/2020] [Accepted: 12/29/2020] [Indexed: 12/28/2022]
Abstract
Glycans play important roles in the biology of infectious diseases. Although glycans are expressed on both the pathogens and the host, the functions and dynamics of the host glycome during infection are not well understood. Recent years have witnessed new discoveries on the host glycome respsonse to infection, as well as related mechanisms and their implications. Herein, we present a brief review on the latest findings in this field and put them in the context of host immunity.
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Affiliation(s)
- Rui Qin
- Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2G2, Canada
| | - Lara K Mahal
- Department of Chemistry, University of Alberta, Edmonton, AB, T6G 2G2, Canada.
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17
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Marsico G, Jin C, Abbah SA, Brauchle EM, Thomas D, Rebelo AL, Orbanić D, Chantepie S, Contessotto P, Papy-Garcia D, Rodriguez-Cabello C, Kilcoyne M, Schenke-Layland K, Karlsson NG, McCullagh KJA, Pandit A. Elastin-like hydrogel stimulates angiogenesis in a severe model of critical limb ischemia (CLI): An insight into the glyco-host response. Biomaterials 2021; 269:120641. [PMID: 33493768 DOI: 10.1016/j.biomaterials.2020.120641] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 12/24/2020] [Accepted: 12/29/2020] [Indexed: 12/15/2022]
Abstract
Critical limb ischemia (CLI) is characterized by the impairment of microcirculation, necrosis and inflammation of the muscular tissue. Although the role of glycans in mediating inflammation has been reported, changes in the glycosylation following muscle ischemia remains poorly understood. Here, a murine CLI model was used to show the increase of high mannose, α-(2, 6)-sialic acid and the decrease of hybrid and bisected N-glycans as glycosylation associated with the ischemic environment. Using this model, the efficacy of an elastin-like recombinamers (ELR) hydrogel was assessed. The hydrogel modulates key angiogenic signaling pathways, resulting in capillary formation, and ECM remodeling. Arterioles formation, reduction of fibrosis and anti-inflammatory macrophage polarization wa also induced by the hydrogel administration. Modulation of glycosylation was observed, suggesting, in particular, a role for mannosylation and sialylation in the mediation of tissue repair. Our study elucidates the angiogenic potential of the ELR hydrogel for CLI applications and identifies glycosylation alterations as potential new therapeutic targets.
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Affiliation(s)
- Grazia Marsico
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland Galway, Galway H92 W2TY, Ireland
| | - Chunseng Jin
- Department of Medical Biochemistry and Cell Biology at Institute of Biomedicine, Sahlgrenska Academy, The University of Gothenburg, Sweden
| | - Sunny A Abbah
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland Galway, Galway H92 W2TY, Ireland
| | - Eva M Brauchle
- Department of Women's Health, Research Institute for Women's Health, The Eberhard-Karls-University Tuebingen, Germany; The Natural and Medical Sciences Institute (NMI) at the University of Tübingen, Reutlingen, Germany
| | - Dilip Thomas
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland Galway, Galway H92 W2TY, Ireland
| | - Ana Lúcia Rebelo
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland Galway, Galway H92 W2TY, Ireland
| | | | - Sandrine Chantepie
- Cell Growth, Tissue Repair and Regeneration (CRRET), UPEC EA 4397/ERL CNRS 9215, Université Paris Est Créteil, Université Paris Est, Créteil, France
| | - Paolo Contessotto
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland Galway, Galway H92 W2TY, Ireland
| | - Dulce Papy-Garcia
- Cell Growth, Tissue Repair and Regeneration (CRRET), UPEC EA 4397/ERL CNRS 9215, Université Paris Est Créteil, Université Paris Est, Créteil, France
| | | | - Michelle Kilcoyne
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland Galway, Galway H92 W2TY, Ireland; Carbohydrate Signalling Group, Microbiology, School of Natural Sciences, National University of Ireland Galway, Galway H92 W2TY, Ireland
| | - K Schenke-Layland
- Department of Women's Health, Research Institute for Women's Health, The Eberhard-Karls-University Tuebingen, Germany; The Natural and Medical Sciences Institute (NMI) at the University of Tübingen, Reutlingen, Germany
| | - N G Karlsson
- Department of Medical Biochemistry and Cell Biology at Institute of Biomedicine, Sahlgrenska Academy, The University of Gothenburg, Sweden
| | - Karl J A McCullagh
- Physiology Department, National University of Ireland Galway, Galway H92 W2TY, Ireland
| | - Abhay Pandit
- CÚRAM SFI Research Centre for Medical Devices, National University of Ireland Galway, Galway H92 W2TY, Ireland.
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18
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Glycosylation Alterations in Multiple Sclerosis Show Increased Proinflammatory Potential. Biomedicines 2020; 8:biomedicines8100410. [PMID: 33065977 PMCID: PMC7599553 DOI: 10.3390/biomedicines8100410] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/02/2020] [Accepted: 10/10/2020] [Indexed: 12/13/2022] Open
Abstract
Multiple sclerosis (MS) is an inflammatory autoimmune disorder affecting the central nervous system (CNS), with unresolved aetiology. Previous studies have implicated N-glycosylation, a highly regulated enzymatic attachment of complex sugars to targeted proteins, in MS pathogenesis. We investigated individual variation in N-glycosylation of the total plasma proteome and of IgG in MS. Both plasma protein and IgG N-glycans were chromatographically profiled and quantified in 83 MS cases and 88 age- and sex-matched controls. Comparing levels of glycosylation features between MS cases and controls revealed that core fucosylation (p = 6.96 × 10-3) and abundance of high-mannose structures (p = 1.48 × 10-2) were the most prominently altered IgG glycosylation traits. Significant changes in plasma protein N-glycome composition were observed for antennary fucosylated, tri- and tetrasialylated, tri- and tetragalactosylated, high-branched N-glycans (p-value range 1.66 × 10-2-4.28 × 10-2). Classification performance of N-glycans was examined by ROC curve analysis, resulting in an AUC of 0.852 for the total plasma N-glycome and 0.798 for IgG N-glycome prediction models. Our results indicate that multiple aspects of protein glycosylation are altered in MS, showing increased proinflammatory potential. N-glycan alterations showed substantial value in classification of the disease status, nonetheless, additional studies are warranted to explore their exact role in MS development and utility as biomarkers.
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19
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Walsh C, Lane JA, van Sinderen D, Hickey RM. Human milk oligosaccharides: Shaping the infant gut microbiota and supporting health. J Funct Foods 2020; 72:104074. [PMID: 32834834 PMCID: PMC7332462 DOI: 10.1016/j.jff.2020.104074] [Citation(s) in RCA: 141] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 06/12/2020] [Accepted: 06/18/2020] [Indexed: 12/18/2022] Open
Abstract
Human milk oligosaccharides (HMO) are complex sugars which are found in breast milk at significant concentrations and with unique structural diversity. These sugars are the fourth most abundant component of human milk after water, lipids, and lactose and yet provide no direct nutritional value to the infant. Recent research has highlighted that HMOs have various functional roles to play in infant development. These sugars act as prebiotics by promoting growth of beneficial intestinal bacteria thereby generating short-chain fatty acids which are critical for gut health. HMOs also directly modulate host-epithelial immune responses and can selectively reduce binding of pathogenic bacteria and viruses to the gut epithelium preventing the emergence of a disease. This review covers current knowledge related to the functional biology of HMOs and their associated impact on infant gut health.
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Affiliation(s)
- Clodagh Walsh
- Teagasc Food Research Centre, Moorepark, Fermoy, P61C996 Co. Cork, Ireland
- H&H Group, Global Research and Technology Centre, P61 C996 Co. Cork, Ireland
- APC Microbiome Institute and School of Microbiology, National University of Ireland, Cork, Ireland
| | - Jonathan A. Lane
- H&H Group, Global Research and Technology Centre, P61 C996 Co. Cork, Ireland
| | - Douwe van Sinderen
- APC Microbiome Institute and School of Microbiology, National University of Ireland, Cork, Ireland
| | - Rita M. Hickey
- Teagasc Food Research Centre, Moorepark, Fermoy, P61C996 Co. Cork, Ireland
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20
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Ugonotti J, Chatterjee S, Thaysen-Andersen M. Structural and functional diversity of neutrophil glycosylation in innate immunity and related disorders. Mol Aspects Med 2020; 79:100882. [PMID: 32847678 DOI: 10.1016/j.mam.2020.100882] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 07/14/2020] [Indexed: 12/11/2022]
Abstract
The granulated neutrophils are abundant innate immune cells that utilize bioactive glycoproteins packed in cytosolic granules to fight pathogenic infections, but the neutrophil glycobiology remains poorly understood. Facilitated by technological advances in glycoimmunology, systems glycobiology and glycoanalytics, a considerable body of literature reporting on novel aspects of neutrophil glycosylation has accumulated. Herein, we summarize the building knowledge of the structural and functional diversity displayed by N- and O-linked glycoproteins spatiotemporally expressed and sequentially brought-into-action across the diverse neutrophil life stages during bone marrow maturation, movements to, from and within the blood circulation and microbicidal processes at the inflammatory sites in peripheral tissues. It transpires that neutrophils abundantly decorate their granule glycoproteins including neutrophil elastase, myeloperoxidase and cathepsin G with peculiar glyco-signatures not commonly reported in other areas of human glycobiology such as hyper-truncated chitobiose core- and paucimannosidic-type N-glycans and monoantennary complex-type N-glycans. Sialyl Lewisx, Lewisx, poly-N-acetyllactosamine extensions and core 1-/2-type O-glycans are also common neutrophil glyco-signatures. Granule-specific glycosylation is another fascinating yet not fully understood feature of neutrophils. Recent literature suggests that unconventional biosynthetic pathways and functions underpin these prominent neutrophil-associated glyco-phenotypes. The impact of glycosylation on key neutrophil effector functions including extravasation, degranulation, phagocytosis and formation of neutrophil extracellular traps during normal physiological conditions and in innate immune-related diseases is discussed. We also highlight new technologies that are expected to further advance neutrophil glycobiology and briefly discuss the untapped diagnostic and therapeutic potential of neutrophil glycosylation that could open avenues to combat the increasingly prevalent innate immune disorders.
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Affiliation(s)
- Julian Ugonotti
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, 2109, Australia; Biomolecular Discovery Research Centre, Macquarie University, Sydney, NSW, 2109, Australia
| | - Sayantani Chatterjee
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, 2109, Australia; Biomolecular Discovery Research Centre, Macquarie University, Sydney, NSW, 2109, Australia
| | - Morten Thaysen-Andersen
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, 2109, Australia; Biomolecular Discovery Research Centre, Macquarie University, Sydney, NSW, 2109, Australia.
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21
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Can Endothelial Glycocalyx Be a Major Morphological Substrate in Pre-Eclampsia? Int J Mol Sci 2020; 21:ijms21093048. [PMID: 32357469 PMCID: PMC7246531 DOI: 10.3390/ijms21093048] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/21/2020] [Accepted: 04/23/2020] [Indexed: 02/06/2023] Open
Abstract
Today pre-eclampsia (PE) is considered as a disease of various theories; still all of them agree that endothelial dysfunction is the leading pathogenic factor. Endothelial dysfunction is a sequence of permanent immune activation, resulting in the change of both the phenotype and the functions of an endothelial cell and of the extracellular layer associated with the cell membrane—endothelial glycocalyx (eGC). Numerous studies demonstrate that eGC mediates and regulates the key functions of endothelial cells including regulation of vascular tone and thromboresistance; and these functions are disrupted during PE. Taking into account that eGC and its components undergo alterations under pathological conditions leading to endothelial activation, it is supposed that eGC plays a certain role in pathogenesis of PE. Envisaging the eGC damage as a key factor of PE, might be a new approach to prevention, treatment, and rehabilitation of patients with PE. This approach could include the development of drugs protecting eGC and promoting regeneration of this structure. Since the issue of PE is far from being solved, any effort in this direction might be valuable.
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22
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Cao M, Yuan W, Peng M, Mao Z, Zhao Q, Sun X, Yan J. Role of CyPA in cardiac hypertrophy and remodeling. Biosci Rep 2019; 39:BSR20193190. [PMID: 31825469 PMCID: PMC6928530 DOI: 10.1042/bsr20193190] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 12/09/2019] [Accepted: 12/10/2019] [Indexed: 12/13/2022] Open
Abstract
Pathological cardiac hypertrophy is a complex process and eventually develops into heart failure, in which the heart responds to various intrinsic or external stress, involving increased interstitial fibrosis, cell death and cardiac dysfunction. Studies have shown that oxidative stress is an important mechanism for this maladaptation. Cyclophilin A (CyPA) is a member of the cyclophilin (CyPs) family. Many cells secrete CyPA to the outside of the cells in response to oxidative stress. CyPA from blood vessels and the heart itself participate in a variety of signaling pathways to regulate the production of reactive oxygen species (ROS) and mediate inflammation, promote cardiomyocyte hypertrophy and proliferation of cardiac fibroblasts, stimulate endothelial injury and vascular smooth muscle hyperplasia, and promote the dissolution of extracellular matrix (ECM) by activating matrix metalloproteinases (MMPs). The events triggered by CyPA cause a decline of diastolic and systolic function and finally lead to the occurrence of heart failure. This article aims to introduce the role and mechanism of CyPA in cardiac hypertrophy and remodeling, and highlights its potential role as a disease biomarker and therapeutic target.
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Affiliation(s)
- Mengfei Cao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Wei Yuan
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Meiling Peng
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Ziqi Mao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Qianru Zhao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Xia Sun
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
| | - Jinchuan Yan
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, China
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23
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Anderson NR, Lee D, Hammer DA. An Experimentally Determined State Diagram for Human CD4 + T Lymphocyte CXCR4-Stimulated Adhesion Under Shear Flow. Cell Mol Bioeng 2018; 11:91-98. [PMID: 30271505 DOI: 10.1007/s12195-018-0519-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Introduction The leukocyte adhesion cascade is important for the maintenance of homeostasis and the ability of immune cells to access sites of infection and inflammation. Despite much work identifying the molecular components of the cascade, and numerous simulations to predict the relationship between molecule density, identity, and adhesion, these relationships have not been measured experimentally. Methods Using surfaces functionalized with recombinant ICAM-1 and/or E-selectin along with immobilized SDF-1α, we used a flow chamber to measure rates of tethering, rolling and arrest of primary naïve human CD4+ T lymphocytes on different surface densities of ligand. Results Cells required a minimum level of ligand density to progress beyond tethering. E-selectin and ICAM-1 were found to have a synergistic relationship in promoting cell arrest. Surfaces with both ligands had the highest levels of arrest, while surfaces containing only E-selectin hindered the cell's ability to progress beyond rolling. In contrast, surfaces of ICAM-1 allowed only tethering or arrest. Cells maintained constant rolling velocity and time to stop over large variations in surface density and composition. In addition, surface densities of only O(101) sites/μm2 allowed for rolling while surface densities of O(102) sites/μm2 promoted arrest, approximately equal to previously determined simulated values. Conclusions We have systematically and experimentally mapped out the state diagram of T-cell adhesion under flow, directly demonstrating the quantitative requirements for each dynamic state of adhesion, and showing how multiple adhesion molecules can act in synergy to secure arrest.
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Affiliation(s)
- Nicholas R Anderson
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 240 Skirkanich Hall, 210 South 33rd St, Philadelphia, PA 19104 USA
| | - Dooyoung Lee
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA
- Present Address: Applied BioMath, LLC, Lincoln, MA 01773 USA
| | - Daniel A Hammer
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 240 Skirkanich Hall, 210 South 33rd St, Philadelphia, PA 19104 USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA
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24
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Farrugia BL, Lord MS, Melrose J, Whitelock JM. The Role of Heparan Sulfate in Inflammation, and the Development of Biomimetics as Anti-Inflammatory Strategies. J Histochem Cytochem 2018; 66:321-336. [PMID: 29290153 DOI: 10.1369/0022155417740881] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Key events that occur during inflammation include the recruitment, adhesion, and transmigration of leukocytes from the circulation to the site of inflammation. These events are modulated by chemokines, integrins, and selectins and the interaction of these molecules with glycosaminoglycans, predominantly heparan sulfate (HS). The development of HS/heparin mimetics that interfere or inhibit the interactions that occur between glycosaminoglycans and modulators of inflammation holds great potential for use as anti-inflammatory therapeutics. This review will detail the role of HS in the events that occur during inflammation, their interaction and modulation of inflammatory mediators, and the current advances in the development of HS/heparin mimetics as anti-inflammatory biotherapeutics.
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Affiliation(s)
- Brooke L Farrugia
- Graduate School of Biomedical Engineering, University of New South Wales Sydney, Sydney, New South Wales, Australia
| | - Megan S Lord
- Graduate School of Biomedical Engineering, University of New South Wales Sydney, Sydney, New South Wales, Australia
| | - James Melrose
- Graduate School of Biomedical Engineering, University of New South Wales Sydney, Sydney, New South Wales, Australia.,Raymond Purves Bone and Joint Research Laboratory, Kolling Institute, Northern Sydney Local Health District, St. Leonards, New South Wales, Australia.,Sydney Medical School-Northern, Royal North Shore Hospital, The University of Sydney, St. Leonards, New South Wales, Australia
| | - John M Whitelock
- Graduate School of Biomedical Engineering, University of New South Wales Sydney, Sydney, New South Wales, Australia
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25
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Goso Y, Sugaya T, Ishihara K, Kurihara M. Comparison of Methods to Release Mucin-Type O-Glycans for Glycomic Analysis. Anal Chem 2017; 89:8870-8876. [PMID: 28723077 DOI: 10.1021/acs.analchem.7b01346] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Mucin-type O-glycans (O-glycans) are one of the most common glycans attached to proteins. To develop an optimized glycomic analysis protocol, O-glycans were released from glycoproteins using hydrazine, ammonia, or sodium hydroxide treatment, followed by hydrophilic interaction liquid chromatography to evaluate O-glycan release. We found that porcine gastric mucin or bovine fetuin treated at 60 °C for 6 h with hydrazine gas in the presence of malonic acid yielded O-glycans with only a small amount of degraded, so-called "peeled" products. Ammonia treatment also yielded intact O-glycans but with additional peeled products containing GlcNAc at the reducing end. In contrast, sodium hydroxide treatment yielded mainly peeled glycans, including those containing GlcNAc at the reducing end. Importantly, O-glycans obtained from rat gastric mucin treated with hydrazine and labeled with anthranilic acid had a nearly identical profile following hydrophilic interaction liquid chromatography as permethylated O-glycan alditols analyzed by mass spectroscopy. Taken together, the data suggest that glycan release using hydrazine treatment, followed by high-performance liquid chromatography after fluorescent labeling, is a suitable method for glycomic analysis of mucin-type O-glycans.
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Affiliation(s)
- Yukinobu Goso
- Department of Biochemistry, Kitasato University School of Medicine , Sagamihara 252-0374, Japan
| | - Tsukiko Sugaya
- Department of Biochemistry, Kitasato University School of Medicine , Sagamihara 252-0374, Japan
| | - Kazuhiko Ishihara
- Kitasato Junior College of Health and Hygienic Sciences , Minami-uonuma 949-7241, Japan
| | - Makoto Kurihara
- Department of Applied Bioscience, Kanagawa Institute of Technology , Atsugi 243-0292, Japan
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Losfeld ME, Scibona E, Lin CW, Villiger TK, Gauss R, Morbidelli M, Aebi M. Influence of protein/glycan interaction on site-specific glycan heterogeneity. FASEB J 2017; 31:4623-4635. [PMID: 28679530 DOI: 10.1096/fj.201700403r] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 06/19/2017] [Indexed: 01/23/2023]
Abstract
To study how the interaction between N-linked glycans and the surrounding amino acids influences oligosaccharide processing, we used protein disulfide isomerase (PDI), a glycoprotein bearing 5 N-glycosylation sites, as a model system and expressed it transiently in a Chinese hamster ovary (CHO)-S cell line. PDI was produced as both secreted Sec-PDI and endoplasmic reticulum-retained glycoprotein (ER)-PDI, to study glycan processing by ER and Golgi resident enzymes. Quantitative site-specific glycosylation profiles were obtained, and flux analysis enabled modeling site-specific glycan processing. By altering the primary sequence of PDI, we changed the glycan/protein interaction and thus the site-specific glycoprofile because of the improved enzymatic fluxes at enzymatic bottlenecks. Our results highlight the importance of direct interactions between N-glycans and surface-exposed amino acids of glycoproteins on processing in the ER and the Golgi and the possibility of changing a site-specific N-glycan profile by modulating such interactions and thus the associated enzymatic fluxes. Altering the primary protein sequence can therefore be used to glycoengineer recombinant proteins.-Losfeld, M.-E., Scibona, E., Lin, C.-W., Villiger, T. K., Gauss, R., Morbidelli, M., Aebi, M. Influence of protein/glycan interaction on site-specific glycan heterogeneity.
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Affiliation(s)
- Marie-Estelle Losfeld
- Department of Biology, Institute of Microbiology, Swiss Federal Institute of Technology (ETH) Zürich, Zürich, Switzerland
| | - Ernesto Scibona
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology ETH Zürich, Zürich, Switzerland
| | - Chia-Wei Lin
- Department of Biology, Institute of Microbiology, Swiss Federal Institute of Technology (ETH) Zürich, Zürich, Switzerland
| | - Thomas K Villiger
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology ETH Zürich, Zürich, Switzerland
| | - Robert Gauss
- Department of Biology, Institute of Microbiology, Swiss Federal Institute of Technology (ETH) Zürich, Zürich, Switzerland
| | - Massimo Morbidelli
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology ETH Zürich, Zürich, Switzerland
| | - Markus Aebi
- Department of Biology, Institute of Microbiology, Swiss Federal Institute of Technology (ETH) Zürich, Zürich, Switzerland;
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Bone Marrow Mesenchymal Stem Cells Inhibit the Function of Dendritic Cells by Secreting Galectin-1. BIOMED RESEARCH INTERNATIONAL 2017; 2017:3248605. [PMID: 28713822 PMCID: PMC5497648 DOI: 10.1155/2017/3248605] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 05/14/2017] [Indexed: 01/21/2023]
Abstract
This study aimed to investigate whether bone marrow-derived mesenchymal stem cells (BM-MSCs) can inhibit function of dendritic cells (DCs) by secreting Galectin-1 (Gal-1). BM-MSCs have been shown to inhibit the maturation and function of DCs, further inhibiting the activation and proliferation of T cells. However, the detailed mechanism remains unknown. In this current study, MSCs and DCs derived from mouse bone marrow were cocultured using Transwell culture plates under different in vitro conditions. The results showed that as the ratio of MSC to DC of the coculture system increased and the coculture time of the two cells prolonged, the concentrations of Gal-1, interleukin- (IL-) 10, and IL-12 in the supernatants were increased and the protein expression of Gal-1 on and within DCs was also enhanced. The phosphorylation of extracellular signal-regulated kinase (ERK) pathway in DCs was boosted, whereas p38 mitogen-activated protein kinase (MAPK) pathway phosphorylation was weakened. Meanwhile, the expression of costimulatory molecules on the surface of DCs was decreased, and the proliferative effect of DCs on allogeneic T cells was also decreased. Therefore, this present study indicated that Gal-1 secreted from MSCs upregulated expression of Gal-1 and stimulated formation of tolerance immunophenotype on DCs, where the underlying mechanism was the regulation of the MAPK signaling pathway in DCs, thereby inhibiting the function of DCs.
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28
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Dual and antagonic therapeutic effects of sulfated glycans. Bioorg Med Chem 2016; 24:3965-3971. [DOI: 10.1016/j.bmc.2016.07.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Revised: 07/15/2016] [Accepted: 07/16/2016] [Indexed: 11/24/2022]
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Using CRISPR-Cas9 to quantify the contributions of O-glycans, N-glycans and Glycosphingolipids to human leukocyte-endothelium adhesion. Sci Rep 2016; 6:30392. [PMID: 27458028 PMCID: PMC4960646 DOI: 10.1038/srep30392] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 06/30/2016] [Indexed: 01/20/2023] Open
Abstract
There is often interest in dissecting the relative contributions of the N-glycans, O-glycans and glycosphingolipids (GSLs) in regulating complex biological traits like cell signaling, adhesion, development and metastasis. To address this, we developed a CRISPR-Cas9 toolkit to selectively truncate each of these commonly expressed glycan-types. Here, O-glycan biosynthesis was truncated by knocking-out Core 1 β3Gal-T Specific Molecular Chaperone (COSMC), N-glycans by targeting the β1,2 GlcNAc-transferase (MGAT1) and GSLs by deleting UDP-glucose ceramide glucosyltransferase (UGCG). These reagents were applied to reveal the glycoconjugates regulating human myeloid cell adhesion to selectins under physiological shear-flow observed during inflammation. These functional studies show that leukocyte rolling on P- and L-selectin is ablated in cells lacking O-glycans, with N-glycan truncation also increasing cell rolling velocity on L-selectin. All three glycan families contributed to E-selectin dependent cell adhesion with N-glycans contributing to all aspects of the leukocyte adhesion cascade, O-glycans only being important during initial recruitment, and GSLs stabilizing slow cell rolling and the transition to firm arrest. Overall, the genome editing tools developed here may be broadly applied in studies of cellular glycosylation.
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Human milk oligosaccharides: The role in the fine-tuning of innate immune responses. Carbohydr Res 2016; 432:62-70. [PMID: 27448325 DOI: 10.1016/j.carres.2016.07.009] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 07/05/2016] [Accepted: 07/06/2016] [Indexed: 01/12/2023]
Abstract
In order to secure the health of newborns over the period of immune immaturity during the first months of life, a mother provides her offspring with passive protection: bioactive molecules transferred through the placenta and breast milk. It is well known that human milk contains immunoglobulins (Ig), immune cells and diverse cytokines, which affect newborn directly or indirectly and contribute to the maturation of the immune system. However, in addition to the above-stated molecules, human milk oligosaccharides (HMOs), a complex mixture of free indigestible carbohydrates with multiple functions, play exceptional roles in the functioning of the infants' immune system. These biological molecules have been studied over decades, however, interest in HMOs does not seem to have abated. Although biological activities of oligosaccharides from human milk have been explicitly reviewed, information regarding the role of HMOs in inflammation remains rather fragmented. The purpose of this review is to compile existing knowledge about the role of certain species of HMOs, including fucosylated, galactosylated and sialylated oligosaccharides, and their signaling pathways in immunity and inflammation. The advances in applying this information to the treatment of diseases in infants as well as adults were also reviewed here.
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31
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Liu Y, Song T, Meng W, Xu Y, Wang PG, Zhao W. Hafnium(IV) triflate as a highly efficient catalyst for Ferrier rearrangement of O- and S-nucleophiles with glycals. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.05.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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32
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Malonic acid suppresses mucin-type O-glycan degradation during hydrazine treatment of glycoproteins. Anal Biochem 2016; 496:35-42. [DOI: 10.1016/j.ab.2015.12.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 11/16/2015] [Accepted: 12/10/2015] [Indexed: 11/17/2022]
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Cheng B, Xie R, Dong L, Chen X. Metabolic Remodeling of Cell-Surface Sialic Acids: Principles, Applications, and Recent Advances. Chembiochem 2015; 17:11-27. [PMID: 26573222 DOI: 10.1002/cbic.201500344] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Indexed: 12/14/2022]
Abstract
Cell-surface sialic acids are essential in mediating a variety of physiological and pathological processes. Sialic acid chemistry and biology remain challenging to investigate, demanding new tools for probing sialylation in living systems. The metabolic glycan labeling (MGL) strategy has emerged as an invaluable chemical biology tool that enables metabolic installation of useful functionalities into cell-surface sialoglycans by "hijacking" the sialic acid biosynthetic pathway. Here we review the principles of MGL and its applications in study and manipulation of sialic acid function, with an emphasis on recent advances.
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Affiliation(s)
- Bo Cheng
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Synthetic and Functional Biomolecules Center and, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China
| | - Ran Xie
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Synthetic and Functional Biomolecules Center and, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China
| | - Lu Dong
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Synthetic and Functional Biomolecules Center and, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China
| | - Xing Chen
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Synthetic and Functional Biomolecules Center and, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China.
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34
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Gao W, Ou G, Feng X, Liu BF, Zhang H, Liu X. Matrix-assisted laser desorption/ionization mass spectrometry analysis of glycans with co-derivatization of asparaginyl-oligosaccharides. Anal Chim Acta 2015; 896:102-10. [DOI: 10.1016/j.aca.2015.09.028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 09/08/2015] [Accepted: 09/12/2015] [Indexed: 12/13/2022]
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35
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Thijssen VL, Rabinovich GA. Introduction to special issue: glycans in vascular biology. Glycobiology 2015; 24:1235-6. [PMID: 25352647 DOI: 10.1093/glycob/cwu093] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Affiliation(s)
- Victor L Thijssen
- Angiogenesis Laboratory Amsterdam, Cancer Center Amsterdam, Departments of Medical Oncology and Radiation Oncology, VU University Medical Center, Amsterdam, The Netherlands
| | - Gabriel A Rabinovich
- Laboratorio de Inmunopatología, Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires 1428, Argentina Laboratorio de Glicómica, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
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36
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Wildburger NC, Zhou S, Zacharias LG, Kroes RA, Moskal JR, Schmidt M, Mirzaei P, Gumin J, Lang FF, Mechref Y, Nilsson CL. Integrated Transcriptomic and Glycomic Profiling of Glioma Stem Cell Xenografts. J Proteome Res 2015; 14:3932-9. [PMID: 26185906 DOI: 10.1021/acs.jproteome.5b00549] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Bone marrow-derived human mesenchymal stem cells (BM-hMSCs) have the innate ability to migrate or home toward and engraft in tumors such as glioblastoma (GBM). Because of this unique property of BM-hMSCs, we have explored their use for cell-mediated therapeutic delivery for the advancement of GBM treatment. Extravasation, the process by which blood-borne cells—such as BM-hMSCs—enter the tissue, is a highly complex process but is heavily dependent upon glycosylation for glycan-glycan and glycan-protein adhesion between the cell and endothelium. However, in a translationally significant preclinical glioma stem cell xenograft (GSCX) model of GBM, BM-hMSCs demonstrate unequal tropism toward these tumors. We hypothesized that there may be differences in the glycan compositions between the GSCXs that elicit homing ("attractors") and those that do not ("non-attractors") that facilitate or impede the engraftment of BM-hMSCs in the tumor. In this study, glycotranscriptomic analysis revealed significant heterogeneity within the attractor phenotype and the enrichment of high mannose type N-glycan biosynthesis in the non-attractor phenotype. Orthogonal validation with topical PNGase F deglycosylation on the tumor regions of xenograft tissue, followed by nLC-ESI-MS, confirmed the presence of increased high mannose type N-glycans in the non-attractors. Additional evidence provided by our glycomic study revealed the prevalence of terminal sialic acid-containing N-glycans in non-attractors and terminal galactose and N-acetyl-glucosamine N-glycans in attractors. Our results provide the first evidence for differential glycomic profiles in attractor and non-attractor GSCXs and extend the scope of molecular determinates in BM-hMSC homing to glioma.
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Affiliation(s)
| | - Shiyue Zhou
- Department of Chemistry and Biochemistry, Texas Tech University , 2500 Broadway, Lubbock, Texas 79409, United States
| | - Lauren G Zacharias
- Department of Chemistry and Biochemistry, Texas Tech University , 2500 Broadway, Lubbock, Texas 79409, United States
| | - Roger A Kroes
- The Falk Center for Molecular Therapeutics, McCormick School of Engineering and Applied Sciences, Northwestern University , 1801 Maple Street, Evanston, Illinois 60201, United States
| | - Joseph R Moskal
- The Falk Center for Molecular Therapeutics, McCormick School of Engineering and Applied Sciences, Northwestern University , 1801 Maple Street, Evanston, Illinois 60201, United States
| | - Mary Schmidt
- The Falk Center for Molecular Therapeutics, McCormick School of Engineering and Applied Sciences, Northwestern University , 1801 Maple Street, Evanston, Illinois 60201, United States
| | - Parvin Mirzaei
- Department of Chemistry and Biochemistry, Texas Tech University , 2500 Broadway, Lubbock, Texas 79409, United States
| | - Joy Gumin
- Department of Neurosurgery and The Brain Tumor Center, The University of Texas M.D. Anderson Cancer Center , 1515 Holcombe Boulevard, Houston, Texas 77030, United States
| | - Frederick F Lang
- Department of Neurosurgery and The Brain Tumor Center, The University of Texas M.D. Anderson Cancer Center , 1515 Holcombe Boulevard, Houston, Texas 77030, United States
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University , 2500 Broadway, Lubbock, Texas 79409, United States
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Lee J, Warnken U, Schnölzer M, Gebert J, Kopitz J. A new method for detection of tumor driver-dependent changes of protein sialylation in a colon cancer cell line reveals nectin-3 as TGFBR2 target. Protein Sci 2015; 24:1686-94. [PMID: 26177744 DOI: 10.1002/pro.2741] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 06/25/2015] [Indexed: 02/03/2023]
Abstract
Protein-linked glycans play key roles in cell differentiation, cell-cell interactions, cell growth, adhesion and immune response. Aberrant glycosylation is a characteristic feature of tumor cells and is involved in tumor growth, escape from apoptosis, metastasis formation, and resistance to therapy. It can serve as cancer biomarker and treatment target. To enable comprehensive screening for the impact of tumor driving mutations in colorectal cancer cells we present a method for specific analysis of tumor driver-induced glycome changes. The strategy is based on a combination of three technologies, that is recombinase-mediated cassette exchange (RMCE), Click-It chemistry and mass spectrometry. The new method is exemplified by the analysis of the impact of inactivating mutations of the TGF-ß-receptor type II (TGFBR2) on sialic acid incorporation into protein-linked glycans of the colon cancer cell line HCT116. Overall, 70 proteins were found to show de novo sialic acid incorporation exclusively upon TGFBR2 expression whereas 7 proteins lost sialylation upon TGFBR2 reconstitution. Validation of detected candidate glycoproteins is demonstrated with the cell surface glycoprotein nectin-3 known to be involved in metastasis, invasion and prognosis of various cancers. Altogether, our new approach can help to systematically puzzle out the influence of tumor-specific mutations in a major signaling pathway, as exemplified by the TGFBR2 tumor suppressor, on the tumor glycome. It facilitates the identification of glycan-based tumor markers that could be used for diagnostic and therapeutic applications. In principle the outlined strategy can be adapted to any cancer cell line, tumor driver mutation and several glycan-building blocks.
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Affiliation(s)
- Jennifer Lee
- Department of Applied Tumor Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Department of Cancer Early Detection, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Uwe Warnken
- Department of Functional Proteome Analysis, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Martina Schnölzer
- Department of Functional Proteome Analysis, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Johannes Gebert
- Department of Applied Tumor Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Department of Cancer Early Detection, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jürgen Kopitz
- Department of Applied Tumor Biology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Department of Cancer Early Detection, German Cancer Research Center (DKFZ), Heidelberg, Germany
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38
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Thiemann S, Man JH, Chang MH, Lee B, Baum LG. Galectin-1 regulates tissue exit of specific dendritic cell populations. J Biol Chem 2015. [PMID: 26216879 PMCID: PMC4566239 DOI: 10.1074/jbc.m115.644799] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
During inflammation, dendritic cells emigrate from inflamed tissue across the lymphatic endothelium into the lymphatic vasculature and travel to regional lymph nodes to initiate immune responses. However, the processes that regulate dendritic cell tissue egress and migration across the lymphatic endothelium are not well defined. The mammalian lectin galectin-1 is highly expressed by vascular endothelial cells in inflamed tissue and has been shown to regulate immune cell tissue entry into inflamed tissue. Here, we show that galectin-1 is also highly expressed by human lymphatic endothelial cells, and deposition of galectin-1 in extracellular matrix selectively regulates migration of specific human dendritic cell subsets. The presence of galectin-1 inhibits migration of immunogenic dendritic cells through the extracellular matrix and across lymphatic endothelial cells, but it has no effect on migration of tolerogenic dendritic cells. The major galectin-1 counter-receptor on both dendritic cell populations is the cell surface mucin CD43; differential core 2 O-glycosylation of CD43 between immunogenic dendritic cells and tolerogenic dendritic cells appears to contribute to the differential effect of galectin-1 on migration. Binding of galectin-1 to immunogenic dendritic cells reduces phosphorylation and activity of the protein-tyrosine kinase Pyk2, an effect that may also contribute to reduced migration of this subset. In a murine lymphedema model, galectin-1(-/-) animals had increased numbers of migratory dendritic cells in draining lymph nodes, specifically dendritic cells with an immunogenic phenotype. These findings define a novel role for galectin-1 in inhibiting tissue emigration of immunogenic, but not tolerogenic, dendritic cells, providing an additional mechanism by which galectin-1 can dampen immune responses.
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Affiliation(s)
- Sandra Thiemann
- From the Departments of Pathology and Laboratory Medicine and
| | - Jeanette H Man
- From the Departments of Pathology and Laboratory Medicine and
| | - Margaret H Chang
- Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, California 90095 and
| | - Benhur Lee
- From the Departments of Pathology and Laboratory Medicine and Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, California 90095 and the Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York 10029
| | - Linda G Baum
- From the Departments of Pathology and Laboratory Medicine and
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Yan X, Lin Y, Liu S, Aziz F, Yan Q. Fucosyltransferase IV (FUT4) as an effective biomarker for the diagnosis of breast cancer. Biomed Pharmacother 2015; 70:299-304. [PMID: 25776515 DOI: 10.1016/j.biopha.2014.12.048] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 12/30/2014] [Indexed: 12/17/2022] Open
Abstract
Specific enzymes are involved in altered glycosylation of cancer. Fucosyltransferase IV (FUT4) is associated with the proliferation and metastasis of breast cancer. The application of FUT4 assay in the serum has not been reported yet. Here, the expression level of FUT4 in the breast cancer patient's tissues (n=60) was analyzed by immunohistochemistry (IHC) and the secreted FUT4 in blood serum samples (n=225) was detected by enzyme-linked immunosorbent assay (ELISA). Using low metastatic MCF-7 and high metastatic MDA-MB-231 breast cancer cell lines, FUT4 expression was also detected by reverse transcription-polymerase chain reaction (RT-PCR), Western blot and immunofluorescent staining. The conventional cancer biomarkers cancer antigen (CA15.3) and carcinoembryonic antigen (CEA) was analyzed by Elecsys-electrochemical immune assay (ECLIA) to compare specificity and sensitivity with that of FUT4. We have observed a significant high expression of FUT4 in breast cancer tissues and serums as compared to the normal tissues (P<0.01) and control serums (P<0.05). FUT4 expression was increased in MDA-MB-231 cells vs. that in MCF-7 cells. Furthermore, the results of receiver operating characteristic (ROC) analysis was shown, area under curve of FUT4 (AUC=0.784) was higher than that of CA15.3 (AUC=0.468) and CEA (AUC=0.563). The relation analysis is indicated FUT4 is significantly correlated with CA15.3 (r=0.234, P<0.05) and there is no significant correlation with CEA. In conclusion, this study suggests that FUT4 can serve as novel biomarker in the diagnosis and prognosis of breast cancer.
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Affiliation(s)
- Xiaomei Yan
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, Dalian, 116044 Liaoning, China; College of Laboratory Medicine, Dalian Medical University, Dalian, 116044 Liaoning, China
| | - Yingwei Lin
- The 2nd Affiliated Hospital of Dalian Medical University, Dalian, 116023 Liaoning, China
| | - Shuai Liu
- College of Laboratory Medicine, Dalian Medical University, Dalian, 116044 Liaoning, China
| | - Faisal Aziz
- College of Laboratory Medicine, Dalian Medical University, Dalian, 116044 Liaoning, China
| | - Qiu Yan
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, Dalian, 116044 Liaoning, China.
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