1
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Hanamatsu H, Yokota I, Kurogochi M, Akasaka-Manya K, Miura N, Manya H, Endo T, Nishikaze T, Furukawa JI, Tanaka K. Direct derivatization of sialic acids and mild β-elimination for linkage-specific sialyl O-glycan analysis. Anal Chim Acta 2024; 1318:342945. [PMID: 39067924 DOI: 10.1016/j.aca.2024.342945] [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: 04/13/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND In sharp contrast with analysis of N-glycan that can be prepared by PNGase F, O-glycan analysis remains challenging due to a lack of versatile and simple procedures, especially those mediating cleavage of O-glycans from proteins. Most N-glycans and O-glycans are modified with sialic acids at the non-reducing end and their glycosidic linkages are labile, making it difficult to measure glycans by mass spectrometric analysis. In addition, sialic acid residues present on glycan chains via α2,3-, α2,6-, and α2,8-linkages as structural isomers. RESULTS In this study, we firstly established a direct and linkage-specific derivatization method for sialylated O-glycans on proteins via linkage-specific lactone-opening aminolysis. In this procedure, labile sialylated glycans were not only stabilized, but also allowed distinguishing between sialyl linkages. Furthermore, we revealed that general reductive β-elimination was not useful for O-glycan cleavages with undesirable degradations of resulting methyl amides. Using β-elimination in the presence of pyrazolone (PMP), with low pH despite alkali base concentration, SALSA-derivatized O-glycans could be cleaved with minimal degradations. Cleaved and PMP-labeled O-glycans could be efficiently prepared in an open reaction system at high temperature (evaporative BEP reaction) and detected by simple liquid-phase extraction. Moreover, in the evaporative BEP reaction by changing the alkali solution with LiOH, the lithiated O-glycans could be observed and provided a lot of fragment information reflecting the complex structure of the O-glycans. SIGNIFICANCE Direct sialic acid linkage-specific derivatization of O-glycans on glycoproteins is simple protocol containing in-solution aminolysis-SALSA and acetonitrile precipitation for removal of excess reagents. Evaporative β-elimination with pyrazolone makes possible intact O-linked glycan analysis just by liquid-phase extraction. These analytical methods established by the appropriate combination of direct-SALSA and evaporative β-elimination will facilitate O-glycomic studies in various biological samples.
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Affiliation(s)
- Hisatoshi Hanamatsu
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan
| | - Ikuko Yokota
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan
| | - Masaki Kurogochi
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan; Laboratory of Glyco-Organic Chemistry, The Noguchi Institute, Tokyo, 173-0003, Japan
| | - Keiko Akasaka-Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, 173-0015, Japan
| | - Nobuaki Miura
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan
| | - Hiroshi Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, 173-0015, Japan
| | - Tamao Endo
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, 173-0015, Japan
| | - Takashi Nishikaze
- Solutions COE, Analytical & Measuring Instruments Division, Shimadzu Corporation, Kyoto, 604-8511, Japan.
| | - Jun-Ichi Furukawa
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan; Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan.
| | - Koichi Tanaka
- Koichi Tanaka Mass Spectrometry Research Laboratory, Shimadzu Corporation, Kyoto, 604-8511, Japan
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2
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Fabiano M, Oikawa N, Kerksiek A, Furukawa JI, Yagi H, Kato K, Schweizer U, Annaert W, Kang J, Shen J, Lütjohann D, Walter J. Presenilin Deficiency Results in Cellular Cholesterol Accumulation by Impairment of Protein Glycosylation and NPC1 Function. Int J Mol Sci 2024; 25:5417. [PMID: 38791456 PMCID: PMC11121565 DOI: 10.3390/ijms25105417] [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: 04/11/2024] [Revised: 05/12/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
Presenilin proteins (PS1 and PS2) represent the catalytic subunit of γ-secretase and play a critical role in the generation of the amyloid β (Aβ) peptide and the pathogenesis of Alzheimer disease (AD). However, PS proteins also exert multiple functions beyond Aβ generation. In this study, we examine the individual roles of PS1 and PS2 in cellular cholesterol metabolism. Deletion of PS1 or PS2 in mouse models led to cholesterol accumulation in cerebral neurons. Cholesterol accumulation was also observed in the lysosomes of embryonic fibroblasts from Psen1-knockout (PS1-KO) and Psen2-KO (PS2-KO) mice and was associated with decreased expression of the Niemann-Pick type C1 (NPC1) protein involved in intracellular cholesterol transport in late endosomal/lysosomal compartments. Mass spectrometry and complementary biochemical analyses also revealed abnormal N-glycosylation of NPC1 and several other membrane proteins in PS1-KO and PS2-KO cells. Interestingly, pharmacological inhibition of N-glycosylation resulted in intracellular cholesterol accumulation prominently in lysosomes and decreased NPC1, thereby resembling the changes in PS1-KO and PS2-KO cells. In turn, treatment of PS1-KO and PS2-KO mouse embryonic fibroblasts (MEFs) with the chaperone inducer arimoclomol partially normalized NPC1 expression and rescued lysosomal cholesterol accumulation. Additionally, the intracellular cholesterol accumulation in PS1-KO and PS2-KO MEFs was prevented by overexpression of NPC1. Collectively, these data indicate that a loss of PS function results in impaired protein N-glycosylation, which eventually causes decreased expression of NPC1 and intracellular cholesterol accumulation. This mechanism could contribute to the neurodegeneration observed in PS KO mice and potentially to the pathogenesis of AD.
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Affiliation(s)
- Marietta Fabiano
- Department of Neurology, Universitätsklinikum Bonn, 53127 Bonn, Germany
- Institut für Biochemie und Molekularbiologie, Universitätsklinikum Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, 53115 Bonn, Germany
| | - Naoto Oikawa
- Department of Neurology, Universitätsklinikum Bonn, 53127 Bonn, Germany
| | - Anja Kerksiek
- Institute of Clinical Chemistry and Clinical Pharmacology, Universitätsklinikum Bonn, 53127 Bonn, Germany
| | - Jun-ichi Furukawa
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo 060-8638, Japan
- Division of Glyco-Systems Biology, Institute for Glyco-Core Research, Tokai National Higher Education and Research System, Nagoya 466-8550, Japan
| | - Hirokazu Yagi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya 467-8603, Japan
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki 444-8787, Japan
| | - Koichi Kato
- Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya 467-8603, Japan
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki 444-8787, Japan
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
| | - Ulrich Schweizer
- Institut für Biochemie und Molekularbiologie, Universitätsklinikum Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, 53115 Bonn, Germany
| | - Wim Annaert
- Laboratory for Membrane Trafficking, VIB-Center for Brain and Disease Research, KU Leuven, 3000 Leuven, Belgium
- Department of Neurosciences, KU Leuven, 3000 Leuven, Belgium
| | - Jongkyun Kang
- Department of Neurology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jie Shen
- Department of Neurology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Program in Neuroscience, Harvard Medical School, Boston, MA 02115, USA
| | - Dieter Lütjohann
- Institute of Clinical Chemistry and Clinical Pharmacology, Universitätsklinikum Bonn, 53127 Bonn, Germany
| | - Jochen Walter
- Department of Neurology, Universitätsklinikum Bonn, 53127 Bonn, Germany
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3
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Marie AL, Gao Y, Ivanov AR. Native N-glycome profiling of single cells and ng-level blood isolates using label-free capillary electrophoresis-mass spectrometry. Nat Commun 2024; 15:3847. [PMID: 38719792 PMCID: PMC11079027 DOI: 10.1038/s41467-024-47772-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 04/12/2024] [Indexed: 05/12/2024] Open
Abstract
The development of reliable single-cell dispensers and substantial sensitivity improvement in mass spectrometry made proteomic profiling of individual cells achievable. Yet, there are no established methods for single-cell glycome analysis due to the inability to amplify glycans and sample losses associated with sample processing and glycan labeling. In this work, we present an integrated platform coupling online in-capillary sample processing with high-sensitivity label-free capillary electrophoresis-mass spectrometry for N-glycan profiling of single mammalian cells. Direct and unbiased quantitative characterization of single-cell surface N-glycomes are demonstrated for HeLa and U87 cells, with the detection of up to 100 N-glycans per single cell. Interestingly, N-glycome alterations are unequivocally detected at the single-cell level in HeLa and U87 cells stimulated with lipopolysaccharide. The developed workflow is also applied to the profiling of ng-level amounts (5-500 ng) of blood-derived protein, extracellular vesicle, and total plasma isolates, resulting in over 170, 220, and 370 quantitated N-glycans, respectively.
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Affiliation(s)
- Anne-Lise Marie
- Barnett Institute of Chemical and Biological Analysis, Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Ave., Boston, MA, 02115, US
| | - Yunfan Gao
- Barnett Institute of Chemical and Biological Analysis, Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Ave., Boston, MA, 02115, US
| | - Alexander R Ivanov
- Barnett Institute of Chemical and Biological Analysis, Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Ave., Boston, MA, 02115, US.
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4
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Rossdam C, Brand S, Beimdiek J, Oberbeck A, Albers MD, Naujok O, Buettner FFR. Targeting the glycan epitope type I N-acetyllactosamine enables immunodepletion of human pluripotent stem cells from early differentiated cells. Glycobiology 2024; 34:cwae012. [PMID: 38349796 DOI: 10.1093/glycob/cwae012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 02/07/2024] [Accepted: 02/07/2024] [Indexed: 02/15/2024] Open
Abstract
Cell surface biomarkers are fundamental for specific characterization of human pluripotent stem cells (hPSCs). Importantly, they can be applied for hPSC enrichment and/or purification but also to remove potentially teratoma-forming hPSCs from differentiated populations before clinical application. Several specific markers for hPSCs are glycoconjugates comprising the glycosphingolipid (GSL)-based glycans SSEA-3 and SSEA-4. We applied an analytical approach based on multiplexed capillary gel electrophoresis coupled to laser-induced fluorescence detection to quantitatively assess the GSL glycome of human embryonic stem cells and human induced pluripotent stem cells as well as during early stages of differentiation into mesoderm, endoderm, and ectoderm. Thereby, we identified the GSL lacto-N-tetraosylceramide (Lc4-Cer, Galβ1-3GlcNAcβ1-3Galβ1-4Glc-Cer), which comprises a terminal type 1 LacNAc (T1LN) structure (Galβ1-3GlcNAc), to be rapidly decreased upon onset of differentiation. Using a specific antibody, we could confirm a decline of T1LN-terminating glycans during the first four days of differentiation by live-cell staining and subsequent flow cytometry. We could further separate T1LN-positive and T1LN-negative cells out of a mixed population of pluripotent and differentiated cells by magnetic activated cell sorting. Notably, not only the T1LN-positive but also the T1LN-negative population was positive for SSEA-3, SSEA-4, and SSEA-5 while expression of nuclear pluripotency markers OCT4 and NANOG was highly reduced in the T1LN-negative population, exclusively. Our findings suggest T1LN as a pluripotent stem cell-specific glycan epitope that is more rapidly down-regulated upon differentiation than SSEA-3, SSEA-4, and SSEA-5.
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Affiliation(s)
- Charlotte Rossdam
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Smilla Brand
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Julia Beimdiek
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Astrid Oberbeck
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Marco Darius Albers
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Ortwin Naujok
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Falk F R Buettner
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
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5
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Homan K, Onodera T, Hanamatsu H, Furukawa JI, Momma D, Matsuoka M, Iwasaki N. Articular cartilage corefucosylation regulates tissue resilience in osteoarthritis. eLife 2024; 12:RP92275. [PMID: 38466626 DOI: 10.7554/elife.92275] [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] [Indexed: 03/13/2024] Open
Abstract
This study aimed to investigate the glycan structural changes that occur before histological degeneration in osteoarthritis (OA) and to determine the mechanism by which these glycan conformational changes affect cartilage degeneration. An OA model was established in rabbits using mannosidase injection, which reduced high-mannose type N-glycans and led to cartilage degeneration. Further analysis of glycome in human OA cartilage identified specific corefucosylated N-glycan expression patterns. Inhibition of N-glycan corefucosylation in mice resulted in unrecoverable cartilage degeneration, while cartilage-specific blocking of corefucosylation led to accelerated development of aging-associated and instability-induced OA models. We conclude that α1,6 fucosyltransferase is required postnatally to prevent preosteoarthritic deterioration of articular cartilage. These findings provide a novel definition of early OA and identify glyco-phenotypes of OA cartilage, which may distinguish individuals at higher risk of progression.
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Affiliation(s)
- Kentaro Homan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Onodera
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Hisatoshi Hanamatsu
- Institute for Glyco‑core Research (iGCORE), Nagoya University, Nagoya, Japan
| | - Jun-Ichi Furukawa
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
- Institute for Glyco‑core Research (iGCORE), Nagoya University, Nagoya, Japan
| | - Daisuke Momma
- Center for Sports Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - Masatake Matsuoka
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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6
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Iwamoto S, Kobayashi T, Hanamatsu H, Yokota I, Teranishi Y, Iwamoto A, Kitagawa M, Ashida S, Sakurai A, Matsuo S, Myokan Y, Sugimoto A, Ushioda R, Nagata K, Gotoh N, Nakajima K, Nishikaze T, Furukawa JI, Itano N. Tolerable glycometabolic stress boosts cancer cell resilience through altered N-glycosylation and Notch signaling activation. Cell Death Dis 2024; 15:53. [PMID: 38225221 PMCID: PMC10789756 DOI: 10.1038/s41419-024-06432-z] [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: 08/16/2023] [Revised: 12/25/2023] [Accepted: 01/03/2024] [Indexed: 01/17/2024]
Abstract
Chronic metabolic stress paradoxically elicits pro-tumorigenic signals that facilitate cancer stem cell (CSC) development. Therefore, elucidating the metabolic sensing and signaling mechanisms governing cancer cell stemness can provide insights into ameliorating cancer relapse and therapeutic resistance. Here, we provide convincing evidence that chronic metabolic stress triggered by hyaluronan production augments CSC-like traits and chemoresistance by partially impairing nucleotide sugar metabolism, dolichol lipid-linked oligosaccharide (LLO) biosynthesis and N-glycan assembly. Notably, preconditioning with either low-dose tunicamycin or 2-deoxy-D-glucose, which partially interferes with LLO biosynthesis, reproduced the promoting effects of hyaluronan production on CSCs. Multi-omics revealed characteristic changes in N-glycan profiles and Notch signaling activation in cancer cells exposed to mild glycometabolic stress. Restoration of N-glycan assembly with glucosamine and mannose supplementation and Notch signaling blockade attenuated CSC-like properties and further enhanced the therapeutic efficacy of cisplatin. Therefore, our findings uncover a novel mechanism by which tolerable glycometabolic stress boosts cancer cell resilience through altered N-glycosylation and Notch signaling activation.
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Affiliation(s)
- Shungo Iwamoto
- Graduate School of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | | | - Hisatoshi Hanamatsu
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Ikuko Yokota
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, Aichi, Japan
| | - Yukiko Teranishi
- Graduate School of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Akiho Iwamoto
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Miyu Kitagawa
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Sawako Ashida
- Graduate School of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Ayane Sakurai
- Graduate School of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Suguru Matsuo
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Yuma Myokan
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Aiyu Sugimoto
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Ryo Ushioda
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
| | - Kazuhiro Nagata
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan
- JT Biohistory Research Hall, Takatsuki, Osaka, Japan
| | - Noriko Gotoh
- Division of Cancer Cell Biology, Cancer Research Institute, Institute for Frontier Science Initiative, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Kazuki Nakajima
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu, Japan
| | - Takashi Nishikaze
- Solutions COE, Analytical & Measuring Instruments Division, Shimadzu Corporation, Kyoto, Japan
| | - Jun-Ichi Furukawa
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, Aichi, Japan
| | - Naoki Itano
- Graduate School of Life Sciences, Kyoto Sangyo University, Kyoto, Japan.
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto, Japan.
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7
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Ivanov A, Marie AL, Gao Y. In-capillary sample processing coupled to label-free capillary electrophoresis-mass spectrometry to decipher the native N-glycome of single mammalian cells and ng-level blood isolates. RESEARCH SQUARE 2023:rs.3.rs-3500983. [PMID: 38014012 PMCID: PMC10680937 DOI: 10.21203/rs.3.rs-3500983/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
The development of reliable single-cell dispensers and substantial sensitivity improvement in mass spectrometry made proteomic profiling of individual cells achievable. Yet, there are no established methods for single-cell glycome analysis due to the inability to amplify glycans and sample losses associated with sample processing and glycan labeling. In this work, we developed an integrated platform coupling online in-capillary sample processing with high-sensitivity label-free capillary electrophoresis-mass spectrometry for N-glycan profiling of single mammalian cells. Direct and unbiased characterization and quantification of single-cell surface N-glycomes were demonstrated for HeLa and U87 cells, with the detection of up to 100 N-glycans per single cell. Interestingly, N-glycome alterations were unequivocally detected at the single-cell level in HeLa and U87 cells stimulated with lipopolysaccharide. The developed workflow was also applied to the profiling of ng-level amounts of blood-derived protein, extracellular vesicle, and total plasma isolates, resulting in over 170, 220, and 370 quantitated N-glycans, respectively.
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8
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Cronin SJF, Yu W, Hale A, Licht-Mayer S, Crabtree MJ, Korecka JA, Tretiakov EO, Sealey-Cardona M, Somlyay M, Onji M, An M, Fox JD, Turnes BL, Gomez-Diaz C, da Luz Scheffer D, Cikes D, Nagy V, Weidinger A, Wolf A, Reither H, Chabloz A, Kavirayani A, Rao S, Andrews N, Latremoliere A, Costigan M, Douglas G, Freitas FC, Pifl C, Walz R, Konrat R, Mahad DJ, Koslov AV, Latini A, Isacson O, Harkany T, Hallett PJ, Bagby S, Woolf CJ, Channon KM, Je HS, Penninger JM. Crucial neuroprotective roles of the metabolite BH4 in dopaminergic neurons. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.08.539795. [PMID: 37214873 PMCID: PMC10197517 DOI: 10.1101/2023.05.08.539795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Dopa-responsive dystonia (DRD) and Parkinson's disease (PD) are movement disorders caused by the dysfunction of nigrostriatal dopaminergic neurons. Identifying druggable pathways and biomarkers for guiding therapies is crucial due to the debilitating nature of these disorders. Recent genetic studies have identified variants of GTP cyclohydrolase-1 (GCH1), the rate-limiting enzyme in tetrahydrobiopterin (BH4) synthesis, as causative for these movement disorders. Here, we show that genetic and pharmacological inhibition of BH4 synthesis in mice and human midbrain-like organoids accurately recapitulates motor, behavioral and biochemical characteristics of these human diseases, with severity of the phenotype correlating with extent of BH4 deficiency. We also show that BH4 deficiency increases sensitivities to several PD-related stressors in mice and PD human cells, resulting in worse behavioral and physiological outcomes. Conversely, genetic and pharmacological augmentation of BH4 protects mice from genetically- and chemically induced PD-related stressors. Importantly, increasing BH4 levels also protects primary cells from PD-affected individuals and human midbrain-like organoids (hMLOs) from these stressors. Mechanistically, BH4 not only serves as an essential cofactor for dopamine synthesis, but also independently regulates tyrosine hydroxylase levels, protects against ferroptosis, scavenges mitochondrial ROS, maintains neuronal excitability and promotes mitochondrial ATP production, thereby enhancing mitochondrial fitness and cellular respiration in multiple preclinical PD animal models, human dopaminergic midbrain-like organoids and primary cells from PD-affected individuals. Our findings pinpoint the BH4 pathway as a key metabolic program at the intersection of multiple protective mechanisms for the health and function of midbrain dopaminergic neurons, identifying it as a potential therapeutic target for PD.
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Affiliation(s)
- Shane J F Cronin
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Weonjin Yu
- Signature Program in Neuroscience and Behavioural Disorders, Duke-National University of Singapore (NUS) Medical School, 8 College Road, Singapore, 169857, Singapore
| | - Ashley Hale
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Simon Licht-Mayer
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Mark J Crabtree
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Joanna A Korecka
- Neurodegeneration Research Institute, Harvard Medical School/McLean Hospital, Belmont, MA, 02478, USA
| | - Evgenii O Tretiakov
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Marco Sealey-Cardona
- Department of Structural and Computational Biology, Max Perutz Labs, Vienna Biocenter Campus 5, 1030, Vienna, Austria
| | - Mate Somlyay
- Department of Structural and Computational Biology, Max Perutz Labs, Vienna Biocenter Campus 5, 1030, Vienna, Austria
| | - Masahiro Onji
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Meilin An
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | - Jesse D Fox
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | - Bruna Lenfers Turnes
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Carlos Gomez-Diaz
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Débora da Luz Scheffer
- LABOX, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC 88037-100, Brazil
| | - Domagoj Cikes
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Vanja Nagy
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD); Department of Neurology, Medical University of Vienna (MUW), 1090 Vienna, Austria
| | - Adelheid Weidinger
- Ludwig Boltzmann Institute for Traumatology. The Research Center in Cooperation with AUVA, Donaueschingen Str. 13, 1200 Vienna, Austria
| | - Alexandra Wolf
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Harald Reither
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Antoine Chabloz
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | - Anoop Kavirayani
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Shuan Rao
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Nick Andrews
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Alban Latremoliere
- Neurosurgery Department, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
| | - Michael Costigan
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Gillian Douglas
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | | | - Christian Pifl
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Roger Walz
- Center for Applied Neurocience, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brazil; Neurology Division, Internal Medicine Department, University Hospital of UFSC, Florianópolis, Brazil
| | - Robert Konrat
- Department of Structural and Computational Biology, Max Perutz Labs, Vienna Biocenter Campus 5, 1030, Vienna, Austria
| | - Don J Mahad
- Centre for Clinical Brain Sciences, University of Edinburgh, Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
| | - Andrey V Koslov
- Ludwig Boltzmann Institute for Traumatology. The Research Center in Cooperation with AUVA, Donaueschingen Str. 13, 1200 Vienna, Austria
| | - Alexandra Latini
- LABOX, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC 88037-100, Brazil
| | - Ole Isacson
- Neurodegeneration Research Institute, Harvard Medical School/McLean Hospital, Belmont, MA, 02478, USA
| | - Tibor Harkany
- Department of Molecular Neurosciences, Center for Brain Research, Medical University of Vienna, Vienna, Austria
- Department of Neuroscience, Biomedicum 7D, Karolinska Institute, Solna, Sweden
| | - Penelope J Hallett
- Neurodegeneration Research Institute, Harvard Medical School/McLean Hospital, Belmont, MA, 02478, USA
| | - Stefan Bagby
- Department of Biology and Biochemistry and the Milner Centre for Evolution, University of Bath, Bath, UK
| | - Clifford J Woolf
- FM Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Keith M Channon
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Hyunsoo Shawn Je
- Signature Program in Neuroscience and Behavioural Disorders, Duke-National University of Singapore (NUS) Medical School, 8 College Road, Singapore, 169857, Singapore
| | - Josef M Penninger
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), Dr. Bohr-Gasse 3, 1030 Vienna, Austria
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
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9
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Sugiura K, Kawai Y, Yamamoto A, Yoshioka H, Kiyohara Y, Iida A, Ozawa Y, Nishikawa M, Miura N, Hanamatsu H, Furukawa JI, Shinohara Y. Exposure to brefeldin A induces unusual expression of hybrid- and complex-type free N-glycans in HepG2 cells. Biochim Biophys Acta Gen Subj 2023; 1867:130331. [PMID: 36804277 DOI: 10.1016/j.bbagen.2023.130331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 02/09/2023] [Accepted: 02/12/2023] [Indexed: 02/18/2023]
Abstract
This study determined the effect of brefeldin A (BFA) on the free N-glycomic profile of HepG2 cells to better understand the effect of blocking intracellular vesicle formation and transport of proteins from the endoplasmic reticulum to the Golgi apparatus. A series of exoglycosidase- and endoglycosidase-assisted analyses clarified the complex nature of altered glycomic profiles. A key feature of BFA-mediated alterations in Gn2-type glycans was the expression of unusual hybrid-, monoantennary- and complex-type free N-glycans (FNGs). BFA-mediated alterations in Gn1-type glycans were characterized by the expression of unusual hybrid- and monoantennary-FNGs, without significant expression of complex-type FNGs. A time course analysis revealed that sialylated hybrid- and complex-type Gn2-type FNGs were generated later than asialo-Gn2-type FNGs, and the expression profiles of Gn2-type FNGs and N-glycans were found to be similar, suggesting that the metabolic flux of FNGs is the same as that of protein-bound N-glycans. Subcellular glycomic analysis revealed that almost all FNGs were detected in the cytoplasmic extracts. Our data suggest that hybrid-, monoantennary- and complex-type Gn2-type FNGs were cleaved from glycoproteins in the cytosol by cytosolic PNGase, and subsequently digested by cytosolic endo-β-N-acetylglucosaminidase (ENGase) to generate Gn1-type FNGs. The substrate specificity of ENGase explains the limited expression of complex Gn1 type FNGs.
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Affiliation(s)
- Kanako Sugiura
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Yuho Kawai
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Arisa Yamamoto
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Hiroki Yoshioka
- Department of Pharmacy, Gifu University of Medical Science, 4-3-3 Nijigaoka, Kani, Gifu 509-0293, Japan
| | - Yuika Kiyohara
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Ayaka Iida
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Yurika Ozawa
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Mai Nishikawa
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Nobuaki Miura
- Division of Bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan
| | - Hisatoshi Hanamatsu
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Jun-Ichi Furukawa
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan; Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya 464-8601, Japan
| | - Yasuro Shinohara
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan; Graduate School of Pharmaceutical Sciences, Kinjo Gakuin University, Nagoya 463-8521, Japan.
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10
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Switching azide and alkyne tags on bioorthogonal reporters in metabolic labeling of sialylatedglycoconjugates: a comparative study. Sci Rep 2022; 12:22129. [PMID: 36550357 PMCID: PMC9780200 DOI: 10.1038/s41598-022-26521-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
Sialylation of cell surface glycans plays an essential role in cell-cell interaction and communication of cells with their microenvironment. Among the tools that have been developed for the study of sialylation in living cells, metabolic oligosaccharide engineering (MOE) exploits the biosynthetic pathway of sialic acid (Sia) to incorporate unnatural monosaccharides into nascent sialylatedglycoconjugates, followed by their detection by a bioorthogonal ligation of a molecular probe. Among bioorthogonal reactions, the copper-catalyzed azide-alkyne cycloaddition (CuAAC) is the only ligation where both reactive tags can be switched on the chemical reporter or on the probe, making this reaction very flexible and adaptable to various labeling strategies. Azide- and alkyne-modified ManNAc and Sia reporters have been widely used, but per-O-acetylated ManNAz (Ac4ManNAz) remains the most popular choice so far for tracking intracellular processing of sialoglycans and cell surface sialylation in various cells. Taking advantage of CuAAC, we compared the metabolic incorporation of ManNAl, ManNAz, SiaNAl, SiaNAz and Ac4ManNAz in the human colon cell lines CCD841CoN, HT29 and HCT116, and in the two gold standard cell lines, HEK293 and HeLa. Using complementary approaches, we showed marked differences in the efficiency of labeling of sialoglycoproteins between the different chemical reporters in a given cell line, and that switching the azide and alkyne bioorthogonal tags on the analogs highly impacted their metabolic incorporation in the human colon cell lines. Our results also indicated that ManNAz was the most promiscuous metabolized reporter to study sialylation in these cells.
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11
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Santilli F, Fabrizi J, Pulcini F, Santacroce C, Sorice M, Delle Monache S, Mattei V. Gangliosides and Their Role in Multilineage Differentiation of Mesenchymal Stem Cells. Biomedicines 2022; 10:biomedicines10123112. [PMID: 36551867 PMCID: PMC9775755 DOI: 10.3390/biomedicines10123112] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/10/2022] [Accepted: 11/30/2022] [Indexed: 12/05/2022] Open
Abstract
Gangliosides (GGs) are a glycolipid class present on Mesenchymal Stem Cells (MSCs) surfaces with a critical appearance role in stem cell differentiation, even though their mechanistic role in signaling and differentiation remains largely unknown. This review aims to carry out a critical analysis of the predictive role of gangliosides as specific markers of the cellular state of undifferentiated and differentiated MSCs, towards the osteogenic, chondrogenic, neurogenic, and adipogenic lineage. For this reason, we analyzed the role of GGs during multilineage differentiation processes of several types of MSCs such as Umbilical Cord-derived MSCs (UC-MSCs), Bone Marrow-derived MSCs (BM-MSCs), Dental Pulp derived MSCs (DPSCs), and Adipose derived MSCs (ADSCs). Moreover, we examined the possible role of GGs as specific cell surface markers to identify or isolate specific stem cell isotypes and their potential use as additional markers for quality control of cell-based therapies.
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Affiliation(s)
- Francesca Santilli
- Biomedicine and Advanced Technologies Rieti Center, Sabina Universitas, Angelo Maria Ricci 35A, 02100 Rieti, Italy
| | - Jessica Fabrizi
- Biomedicine and Advanced Technologies Rieti Center, Sabina Universitas, Angelo Maria Ricci 35A, 02100 Rieti, Italy
- Department of Experimental Medicine, Sapienza University, Regina Elena 324, 00161 Rome, Italy
| | - Fanny Pulcini
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, Vetoio, 67100 L’Aquila, Italy
| | - Costantino Santacroce
- Biomedicine and Advanced Technologies Rieti Center, Sabina Universitas, Angelo Maria Ricci 35A, 02100 Rieti, Italy
| | - Maurizio Sorice
- Department of Experimental Medicine, Sapienza University, Regina Elena 324, 00161 Rome, Italy
| | - Simona Delle Monache
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, Vetoio, 67100 L’Aquila, Italy
- Correspondence: (S.D.M.); (V.M.)
| | - Vincenzo Mattei
- Biomedicine and Advanced Technologies Rieti Center, Sabina Universitas, Angelo Maria Ricci 35A, 02100 Rieti, Italy
- Correspondence: (S.D.M.); (V.M.)
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12
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Shedding of N-acetylglucosaminyltransferase-V is regulated by maturity of cellular N-glycan. Commun Biol 2022; 5:743. [PMID: 35915223 PMCID: PMC9343384 DOI: 10.1038/s42003-022-03697-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 07/11/2022] [Indexed: 11/18/2022] Open
Abstract
The number of N-glycan branches on glycoproteins is closely related to the development and aggravation of various diseases. Dysregulated formation of the branch produced by N-acetylglucosaminyltransferase-V (GnT-V, also called as MGAT5) promotes cancer growth and malignancy. However, it is largely unknown how the activity of GnT-V in cells is regulated. Here, we discover that the activity of GnT-V in cells is selectively upregulated by changing cellular N-glycans from mature to immature forms. Our glycomic analysis further shows that loss of terminal modifications of N-glycans resulted in an increase in the amount of the GnT-V-produced branch. Mechanistically, shedding (cleavage and extracellular secretion) of GnT-V mediated by signal peptide peptidase-like 3 (SPPL3) protease is greatly inhibited by blocking maturation of cellular N-glycans, resulting in an increased level of GnT-V protein in cells. Alteration of cellular N-glycans hardly impairs expression or localization of SPPL3; instead, SPPL3-mediated shedding of GnT-V is shown to be regulated by N-glycans on GnT-V, suggesting that the level of GnT-V cleavage is regulated by its own N-glycan structures. These findings shed light on a mechanism of secretion-based regulation of GnT-V activity. Cleavage of the glycan-branching enzyme N-acetylglucosaminyltransferase-V (GnT-V) by signal peptide peptidase-like 3 (SPPL3) protease and extracellular secretion of active glycan GnT-V depend on GnT-V’s own glycosylation state.
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13
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Tsujimoto H, Katagiri N, Ijiri Y, Sasaki B, Kobayashi Y, Mima A, Ryosaka M, Furuyama K, Kawaguchi Y, Osafune K. In vitro methods to ensure absence of residual undifferentiated human induced pluripotent stem cells intermingled in induced nephron progenitor cells. PLoS One 2022; 17:e0275600. [PMID: 36378656 PMCID: PMC9665373 DOI: 10.1371/journal.pone.0275600] [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: 06/08/2022] [Accepted: 09/20/2022] [Indexed: 11/16/2022] Open
Abstract
Cell therapies using human induced pluripotent stem cell (hiPSC)-derived nephron progenitor cells (NPCs) are expected to ameliorate acute kidney injury (AKI). However, using hiPSC-derived NPCs clinically is a challenge because hiPSCs themselves are tumorigenic. LIN28A, ESRG, CNMD and SFRP2 transcripts have been used as a marker of residual hiPSCs for a variety of cell types undergoing clinical trials. In this study, by reanalyzing public databases, we found a baseline expression of LIN28A, ESRG, CNMD and SFRP2 in hiPSC-derived NPCs and several other cell types, suggesting LIN28A, ESRG, CNMD and SFRP2 are not always reliable markers for iPSC detection. As an alternative, we discovered a lncRNA marker gene, MIR302CHG, among many known and unknown iPSC markers, as highly differentially expressed between hiPSCs and NPCs, by RNA sequencing and quantitative RT-PCR (qRT-PCR) analyses. Using MIR302CHG as an hiPSC marker, we constructed two assay methods, a combination of magnetic bead-based enrichment and qRT-PCR and digital droplet PCR alone, to detect a small number of residual hiPSCs in NPC populations. The use of these in vitro assays could contribute to patient safety in treatments using hiPSC-derived cells.
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Affiliation(s)
- Hiraku Tsujimoto
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
- * E-mail: (KO); (HT)
| | - Naoko Katagiri
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Yoshihiro Ijiri
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Ben Sasaki
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Yoshifumi Kobayashi
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Akira Mima
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Makoto Ryosaka
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Rege Nephro Co., Ltd., Med-Pharm Collaboration Building, Kyoto University, Kyoto, Japan
| | - Kenichiro Furuyama
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Yoshiya Kawaguchi
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Kenji Osafune
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- * E-mail: (KO); (HT)
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14
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Miura N, Hanamatsu H, Yokota I, Akasaka-Manya K, Manya H, Endo T, Shinohara Y, Furukawa JI. Toolbox Accelerating Glycomics (TAG): Improving Large-Scale Serum Glycomics and Refinement to Identify SALSA-Modified and Rare Glycans. Int J Mol Sci 2022; 23:ijms232113097. [PMID: 36361885 PMCID: PMC9656093 DOI: 10.3390/ijms232113097] [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: 09/08/2022] [Revised: 10/13/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022] Open
Abstract
Glycans are involved in many fundamental cellular processes such as growth, differentiation, and morphogenesis. However, their broad structural diversity makes analysis difficult. Glycomics via mass spectrometry has focused on the composition of glycans, but informatics analysis has not kept pace with the development of instrumentation and measurement techniques. We developed Toolbox Accelerating Glycomics (TAG), in which glycans can be added manually to the glycan list that can be freely designed with labels and sialic acid modifications, and fast processing is possible. In the present work, we improved TAG for large-scale analysis such as cohort analysis of serum samples. The sialic acid linkage-specific alkylamidation (SALSA) method converts differences in linkages such as α2,3- and α2,6-linkages of sialic acids into differences in mass. Glycans modified by SALSA and several structures discovered in recent years were added to the glycan list. A routine to generate calibration curves has been implemented to explore quantitation. These improvements are based on redefinitions of residues and glycans in the TAG List to incorporate information on glycans that could not be attributed because it was not assumed in the previous version of TAG. These functions were verified through analysis of purchased sera and 74 spectra with linearity at the level of R2 > 0.8 with 81 estimated glycan structures obtained including some candidate of rare glycans such as those with the N,N’-diacetyllactosediamine structure, suggesting they can be applied to large-scale analyses.
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Affiliation(s)
- Nobuaki Miura
- Division of Bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Niigata 951-8514, Japan
- Correspondence: (N.M.); (J.-i.F.)
| | - Hisatoshi Hanamatsu
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita 21, Nishi 11, Sapporo 001-0021, Japan
| | - Ikuko Yokota
- Division of Glyco-Systems Biology, Institute for Glyco-Core Research, Tokai National Higher Education and Research System, 65 Tsurumai-cho, Nagoya 466-8550, Japan
| | - Keiko Akasaka-Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakaecho, Tokyo 173-0015, Japan
| | - Hiroshi Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakaecho, Tokyo 173-0015, Japan
| | - Tamao Endo
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakaecho, Tokyo 173-0015, Japan
| | - Yasuro Shinohara
- Graduate School of Pharmaceutical Sciences, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Jun-ichi Furukawa
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita 21, Nishi 11, Sapporo 001-0021, Japan
- Division of Glyco-Systems Biology, Institute for Glyco-Core Research, Tokai National Higher Education and Research System, 65 Tsurumai-cho, Nagoya 466-8550, Japan
- Correspondence: (N.M.); (J.-i.F.)
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15
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Ishibashi Y. Functions and applications of glycolipid-hydrolyzing microbial glycosidases. Biosci Biotechnol Biochem 2022; 86:974-984. [PMID: 35675217 DOI: 10.1093/bbb/zbac089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/29/2022] [Indexed: 11/13/2022]
Abstract
Glycolipids are important components of cell membranes in several organisms. The major glycolipids in mammals are glycosphingolipids (GSLs), which are composed of ceramides. In mammals, GSLs are degraded stepwise from the non-reducing end of the oligosaccharides via exo-type glycosidases. However, endoglycoceramidase (EGCase), an endo-type glycosidase found in actinomycetes, is a unique enzyme that directly acts on the glycosidic linkage between oligosaccharides and ceramides to generate intact oligosaccharides and ceramides. Three molecular species of EGCase, namely EGCase I, EGCase II, and endogalactosylceramidase, have been identified based on their substrate specificity. EGCrP1 and EGCrP2, which are homologs of EGCase in pathogenic fungi, were identified as the first fungal glucosylceramide- and sterylglucoside-hydrolyzing glycosidases, respectively. These enzymes are promising targets for antifungal drugs against pathogenic fungi. This review describes the functions and properties of these microbial glycolipid-degrading enzymes, the molecular basis of their differential substrate specificity, and their applications.
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Affiliation(s)
- Yohei Ishibashi
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, Japan
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16
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Oinam L, Tateno H. Glycan Profiling by Sequencing to Uncover Multicellular Communication: Launching Glycobiology in Single Cells and Microbiomes. Front Cell Dev Biol 2022; 10:919168. [PMID: 35712658 PMCID: PMC9197256 DOI: 10.3389/fcell.2022.919168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/02/2022] [Indexed: 11/13/2022] Open
Abstract
Glycans are essential building blocks of life that are located at the outermost surface of all cells from mammals to bacteria and even viruses. Cell surface glycans mediate multicellular communication in diverse biological processes and are useful as “surface markers” to identify cells. Various single-cell sequencing technologies have already emerged that enable the high-throughput analysis of omics information, such as transcriptome and genome profiling on a cell-by-cell basis, which has advanced our understanding of complex multicellular interactions. However, there has been no robust technology to analyze the glycome in single cells, mainly because glycans with branched and heterogeneous structures cannot be readily amplified by polymerase chain reactions like nucleic acids. We hypothesized that the generation of lectins conjugated with DNA barcodes (DNA-barcoded lectins) would enable the conversion of glycan information to gene information, which may be amplified and measured using DNA sequencers. This technology will enable the simultaneous analysis of glycan and RNA in single cells. Based on this concept, we developed a technology to analyze glycans and RNA in single cells, which was referred to as scGR-seq. Using scGR-seq, we acquired glycan and gene expression profiles of individual cells constituting heterogeneous cell populations, such as tissues. We further extended Glycan-seq to the profiling of the surface glycans of bacteria and even gut microbiota. Glycan-seq and scGR-seq are new technologies that enable us to elucidate the function of glycans in cell–cell and cell–microorganism communication, which extends glycobiology to the level of single cells and microbiomes.
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Affiliation(s)
- Lalhaba Oinam
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan
| | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan
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17
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Generation of glycan-specific nanobodies. Cell Chem Biol 2022; 29:1353-1361.e6. [PMID: 35705094 DOI: 10.1016/j.chembiol.2022.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 02/21/2022] [Accepted: 05/23/2022] [Indexed: 11/21/2022]
Abstract
The development of antibodies that target specific glycan structures on cancer cells or human pathogens poses a significant challenge due to the immense complexity of naturally occurring glycans. Automated glycan assembly enables the production of structurally homogeneous glycans in amounts that are difficult to derive from natural sources. Nanobodies (Nbs) are the smallest antigen-binding domains of heavy-chain-only antibodies (hcAbs) found in camelids. To date, the development of glycan-specific Nbs using synthetic glycans has not been reported. Here, we use defined synthetic glycans for alpaca immunization to elicit glycan-specific hcAbs, and describe the identification, isolation, and production of a Nb specific for the tumor-associated carbohydrate antigen Globo-H. The Nb binds the terminal fucose of Globo-H and recognizes synthetic Globo-H in solution and native Globo-H on breast cancer cells with high specificity. These results demonstrate the potential of our approach for generating glycan-targeting Nbs to be used in biomedical and biotechnological applications.
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18
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Morikawa C, Sugiura K, Kondo K, Yamamoto Y, Kojima Y, Ozawa Y, Yoshioka H, Miura N, Piao J, Okada K, Hanamatsu H, Tsuda M, Tanaka S, Furukawa JI, Shinohara Y. Evaluation of the context of downstream N- and free N-glycomic alterations induced by swainsonine in HepG2 cells. Biochim Biophys Acta Gen Subj 2022; 1866:130168. [PMID: 35594965 DOI: 10.1016/j.bbagen.2022.130168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/27/2022] [Accepted: 05/02/2022] [Indexed: 11/27/2022]
Abstract
Swainsonine (SWA), a potent inhibitor of class II α-mannosidases, is present in a number of plant species worldwide and causes severe toxicosis in livestock grazing these plants. The mechanisms underlying SWA-induced animal poisoning are not fully understood. In this study, we analyzed the alterations that occur in N- and free N-glycomic upon addition of SWA to HepG2 cells to understand better SWA-induced glycomic alterations. After SWA addition, we observed the appearance of SWA-specific glycomic alterations, such as unique fucosylated hybrid-type and fucosylated M5 (M5F) N-glycans, and a remarkable increase in all classes of Gn1 FNGs. Further analysis of the context of these glycomic alterations showed that (fucosylated) hybrid type N-glycans were not the precursors of these Gn1 FNGs and vice versa. Time course analysis revealed the dynamic nature of glycomic alterations upon exposure of SWA and suggested that accumulation of free N-glycans occurred earlier than that of hybrid-type N-glycans. Hybrid-type N-glycans, of which most were uniquely core fucosylated, tended to increase slowly over time, as was observed for M5F N-glycans. Inhibition of swainsonine-induced unique fucosylation of hybrid N-glycans and M5 by coaddition of 2-fluorofucose caused significant increases in paucimannose- and fucosylated paucimannose-type N-glycans, as well as paucimannose-type free N-glycans. The results not only revealed the gross glycomic alterations in HepG2 cells induced by swainsonine, but also provide information on the global interrelationships between glycomic alterations.
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Affiliation(s)
- Chie Morikawa
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Kanako Sugiura
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Keina Kondo
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Yurie Yamamoto
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Yuma Kojima
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Yurika Ozawa
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Hiroki Yoshioka
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
| | - Nobuaki Miura
- Division of Bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan
| | - Jinhua Piao
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Kazue Okada
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Hisatoshi Hanamatsu
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Masumi Tsuda
- Department of Cancer Pathology, Faculty of Medicine, Hokkaido University, Sapporo, Japan; Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Japan
| | - Shinya Tanaka
- Department of Cancer Pathology, Faculty of Medicine, Hokkaido University, Sapporo, Japan; Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Japan
| | - Jun-Ichi Furukawa
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Yasuro Shinohara
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan.
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19
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Basu A, Patel NG, Nicholson ED, Weiss RJ. Spatiotemporal diversity and regulation of glycosaminoglycans in cell homeostasis and human disease. Am J Physiol Cell Physiol 2022; 322:C849-C864. [PMID: 35294848 PMCID: PMC9037703 DOI: 10.1152/ajpcell.00085.2022] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Glycosaminoglycans (GAGs) are long, linear polysaccharides that are ubiquitously expressed on the cell surface and in the extracellular matrix of all animal cells. These complex carbohydrates play important roles in many cellular processes and have been implicated in many disease states, including cancer, inflammation, and genetic disorders. GAGs are among the most complex molecules in biology with enormous information content and extensive structural and functional heterogeneity. GAG biosynthesis is a nontemplate-driven process facilitated by a large group of biosynthetic enzymes that have been extensively characterized over the past few decades. Interestingly, the expression of the enzymes and the consequent structure and function of the polysaccharide chains can vary temporally and spatially during development and under certain pathophysiological conditions, suggesting their assembly is tightly regulated in cells. Due to their many key roles in cell homeostasis and disease, there is much interest in targeting the assembly and function of GAGs as a therapeutic approach. Recent advances in genomics and GAG analytical techniques have pushed the field and generated new perspectives on the regulation of mammalian glycosylation. This review highlights the spatiotemporal diversity of GAGs and the mechanisms guiding their assembly and function in human biology and disease.
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Affiliation(s)
- Amrita Basu
- 1Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia
| | - Neil G. Patel
- 1Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia,2Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia
| | - Elijah D. Nicholson
- 2Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia
| | - Ryan J. Weiss
- 1Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia,2Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia
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20
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de Haan N, Narimatsu Y, Koed Møller Aasted M, Larsen ISB, Marinova IN, Dabelsteen S, Vakhrushev SY, Wandall HH. In-Depth Profiling of O-Glycan Isomers in Human Cells Using C18 Nanoliquid Chromatography-Mass Spectrometry and Glycogenomics. Anal Chem 2022; 94:4343-4351. [PMID: 35245040 PMCID: PMC8928149 DOI: 10.1021/acs.analchem.1c05068] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
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O-Glycosylation is an omnipresent modification
of the human proteome affecting many cellular functions, including
protein cleavage, protein folding, and cellular signaling, interactions,
and trafficking. The functions are governed by differentially regulated O-glycan types and terminal structures. It is therefore
essential to develop analytical methods that facilitate the annotation
of O-glycans in biological material. While various
successful strategies for the in-depth profiling of released O-glycans have been reported, these methods are often limitedly
accessible to the nonspecialist or challenged by the high abundance
of O-glycan structural isomers. Here, we developed
a high-throughput sample preparation approach for the nonreductive
release and characterization of O-glycans from human
cell material. Reducing-end labeling allowed efficient isomer separation
and detection using C18 nanoliquid chromatography coupled to Orbitrap
mass spectrometry. Using the method in combination with a library
of genetically glycoengineered cells displaying defined O-glycan types and structures, we were able to annotate individual O-glycan structural isomers from a complex mixture. Applying
the method in a model system of human keratinocytes, we found a wide
variety of O-glycan structures, including O-fucose, O-glucose, O-GlcNAc, and O-GalNAc glycosylation, with the latter
carrying both elongated core1 and core2 structures and varying numbers
of fucoses and sialic acids. The method, including the now well-characterized
standards, provides the opportunity to study glycomic changes in human
tissue and disease models using rather mainstream analytical equipment.
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Affiliation(s)
- Noortje de Haan
- Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen 2200, Denmark
| | - Yoshiki Narimatsu
- Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen 2200, Denmark
| | | | - Ida S B Larsen
- Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen 2200, Denmark
| | - Irina N Marinova
- Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen 2200, Denmark
| | - Sally Dabelsteen
- Department of Odontology, University of Copenhagen, Copenhagen 2200, Denmark
| | - Sergey Y Vakhrushev
- Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen 2200, Denmark
| | - Hans H Wandall
- Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen 2200, Denmark
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21
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Hanamatsu H, Furukawa JI. Comprehensive Cellular Glycan Profiling of Glycoproteins and Glycosphingolipids by Glycoblotting and BEP Methods. Methods Mol Biol 2022; 2556:1-18. [PMID: 36175622 DOI: 10.1007/978-1-0716-2635-1_1] [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] [Indexed: 06/16/2023]
Abstract
The glycocalyx is a layer of glycans that covers the surface of every cell. Glycans are covalently attached to proteins and lipids, and are classified into subclasses such as N-linked glycans, glycosaminoglycans, glycosphingolipid-glycans, free oligosaccharides, and O-linked glycans according to their biosynthetic pathways. These complex glycans affect various biological and pathological processes, such as cell growth, differentiation, and adhesion. During infection, bacteria and viruses often use glycans to recognize and attack host cells. In this chapter, we describe detailed protocols to prepare glycans, and perform comprehensive cellular glycomic analysis using glycoblotting and β-elimination with pyrazolone methods.
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Affiliation(s)
- Hisatoshi Hanamatsu
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Jun-Ichi Furukawa
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
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22
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Chen J, Sun T, You Y, Wu B, Wang X, Wu J. Proteoglycans and Glycosaminoglycans in Stem Cell Homeostasis and Bone Tissue Regeneration. Front Cell Dev Biol 2021; 9:760532. [PMID: 34917612 PMCID: PMC8669051 DOI: 10.3389/fcell.2021.760532] [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: 08/18/2021] [Accepted: 10/25/2021] [Indexed: 12/20/2022] Open
Abstract
Stem cells maintain a subtle balance between self-renewal and differentiation under the regulatory network supported by both intracellular and extracellular components. Proteoglycans are large glycoproteins present abundantly on the cell surface and in the extracellular matrix where they play pivotal roles in facilitating signaling transduction and maintaining stem cell homeostasis. In this review, we outline distinct proteoglycans profiles and their functions in the regulation of stem cell homeostasis, as well as recent progress and prospects of utilizing proteoglycans/glycosaminoglycans as a novel glycomics carrier or bio-active molecules in bone regeneration.
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Affiliation(s)
- Jiawen Chen
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Tianyu Sun
- Department of Periodontology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Yan You
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Buling Wu
- School of Stomatology, Southern Medical University, Guangzhou, China.,Department of Endodontics, Shenzhen Stomatology Hospital, Southern Medical University, Shenzhen, China
| | - Xiaofang Wang
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, TX, United states
| | - Jingyi Wu
- Center of Oral Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
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23
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Tikhonov A, Smoldovskaya O, Feyzkhanova G, Kushlinskii N, Rubina A. Glycan-specific antibodies as potential cancer biomarkers: a focus on microarray applications. Clin Chem Lab Med 2021; 58:1611-1622. [PMID: 32324152 DOI: 10.1515/cclm-2019-1161] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 03/10/2020] [Indexed: 02/06/2023]
Abstract
Glycosylation is one of the most common posttranslational modifications of proteins and lipids. In the case of tumors, cell transformation accompanied by aberrant glycosylation results in the expression of tumor-associated glycans that promote tumor invasion. As part of the innate immunity, anti-glycan antibodies recognize tumor-associated glycans, and these antibodies can be present in the bloodstream in the early stages of cancer. Recently, anti-glycan antibody profiles have been of interest in various cancer studies. Novel advantages in the field of analytical techniques have simplified the analysis of anti-glycan antibodies and made it easier to have more comprehensive knowledge about their functions. One of the robust approaches for studying anti-glycan antibodies engages in microarray technology. The analysis of glycan microarrays can provide more expanded information to simultaneously specify or suggest the role of antibodies to a wide variety of glycans in the progression of different diseases, therefore making it possible to identify new biomarkers for diagnosing cancer and/or the state of the disease. Thus, in this review, we discuss antibodies to various glycans, their application for diagnosing cancer and one of the most promising tools for the investigation of these molecules, microarrays.
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Affiliation(s)
- Aleksei Tikhonov
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Olga Smoldovskaya
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Guzel Feyzkhanova
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Nikolay Kushlinskii
- Laboratory of Clinical Biochemistry, Federal State Budgetary Institution «N.N. Blokhin National Medical Research Center of Oncology» оf the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alla Rubina
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
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24
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Chen SY, Clark DJ, Zhang H. High-Throughput Analyses of Glycans, Glycosites, and Intact Glycopeptides Using C4-and C18/MAX-Tips and Liquid Handling System. Curr Protoc 2021; 1:e186. [PMID: 34232571 PMCID: PMC8485138 DOI: 10.1002/cpz1.186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Protein glycosylation is one of the most common and diverse modifications. Aberrant protein glycosylation has been reported to associate with various diseases. High‐throughput and comprehensive characterization of glycoproteins is crucial for structural and functional studies of altered glycosylation in biological, physiological, and pathological processes. In this protocol, we detail a workflow for comprehensive analyses of intact glycopeptides (IGPs), glycosylation sites, and glycans from N‐linked glycoproteins. By utilizing liquid handling systems, our workflow could enrich IGPs in a high‐throughput manner while reducing sample processing time and human error involved in traditional proteomics sample processing techniques. Together, our workflow enables a high‐throughput enrichment of glycans, glycosites, and intact glycopeptides from complex biological or clinical samples. © 2021 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Enzymatic digestion of glycoproteins using C4‐tips Basic Protocol 2: Intact glycopeptide analysis using C18/MAX‐tips Basic Protocol 3: Glycan and glycosite analysis
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Affiliation(s)
- Shao-Yung Chen
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, Maryland.,Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
| | - David J Clark
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, Maryland
| | - Hui Zhang
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, Maryland.,Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland.,Department of Oncology, Johns Hopkins University, Baltimore, Maryland.,Department of Urology, Johns Hopkins University, Baltimore, Maryland
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25
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Glycoproteomic analysis of the changes in protein N-glycosylation during neuronal differentiation in human-induced pluripotent stem cells and derived neuronal cells. Sci Rep 2021; 11:11169. [PMID: 34045517 PMCID: PMC8160270 DOI: 10.1038/s41598-021-90102-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 05/04/2021] [Indexed: 11/09/2022] Open
Abstract
N-glycosylation of glycoproteins, a major post-translational modification, plays a crucial role in various biological phenomena. In central nervous systems, N-glycosylation is thought to be associated with differentiation and regeneration; however, the state and role of N-glycosylation in neuronal differentiation remain unclear. Here, we conducted sequential LC/MS/MS analyses of tryptic digest, enriched glycopeptides, and deglycosylated peptides of proteins derived from human-induced pluripotent stem cells (iPSCs) and iPSC-derived neuronal cells, which were used as a model of neuronal differentiation. We demonstrate that the production profiles of many glycoproteins and their glycoforms were altered during neuronal differentiation. Particularly, the levels of glycoproteins modified with an N-glycan, consisting of five N-acetylhexosamines, three hexoses, and a fucose (HN5H3F), increased in dopaminergic neuron-rich cells (DAs). The N-glycan was deduced to be a fucosylated and bisected biantennary glycan based on product ion spectra. Interestingly, the HN5H3F-modified proteins were predicted to be functionally involved in neural cell adhesion, axon guidance, and the semaphorin-plexin signaling pathway, and protein modifications were site-selective and DA-selective regardless of protein production levels. Our integrated method for glycoproteome analysis and resultant profiles of glycoproteins and their glycoforms provide valuable information for further understanding the role of N-glycosylation in neuronal differentiation and neural regeneration.
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26
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Fujitani N, Ariki S, Hasegawa Y, Uehara Y, Saito A, Takahashi M. Integrated Structural Analysis of N-Glycans and Free Oligosaccharides Allows for a Quantitative Evaluation of ER Stress. Biochemistry 2021; 60:1708-1721. [PMID: 33983715 DOI: 10.1021/acs.biochem.0c00969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Endoplasmic reticulum (ER) stress has been reported in a variety of diseases. Although ER stress can be detected using specific markers, it is still difficult to quantitatively evaluate the degree of stress and to identify the cause of the stress. The ER is the primary site for folding of secretory or transmembrane proteins as well as the site where glycosylation is initiated. This study therefore postulates that tracing the biosynthetic pathway of asparagine-linked glycans (N-glycans) would be a reporter for reflecting the state of the ER and serve as a quantitative descriptor of ER stress. Glycoblotting-assisted mass spectrometric analysis of the HeLa cell line enabled quantitative determination of the changes in the structures of N-glycans and degraded free oligosaccharides (fOSs) in response to tunicamycin- or thapsigargin-induced ER stress. The integrated analysis of neutral and sialylated N-glycans and fOSs showed the potential to elucidate the cause of ER stress, which cannot be readily done by protein markers alone. Changes in the total amount of glycans, increase in the ratio of high-mannose type N-glycans, increase in fOSs, and changes in the ratio of sialylated N-glycans in response to ER stress were shown to be potential descriptors of ER stress. Additionally, drastic clearance of accumulated N-glycans was observed in thapsigargin-treated cells, which may suggest the observation of ER stress-mediated autophagy or ER-phagy in terms of glycomics. Quantitative analysis of N-glycoforms composed of N-glycans and fOSs provides the dynamic indicators reflecting the ER status and the promising strategies for quantitative evaluation of ER stress.
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Affiliation(s)
- Naoki Fujitani
- Department of Biochemistry, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Shigeru Ariki
- Department of Biochemistry, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan.,Department of Chemistry, Sapporo Medical University Center for Medical Education, Sapporo 060-8556, Japan
| | - Yoshihiro Hasegawa
- Department of Biochemistry, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan.,Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo 060-8543, Japan
| | - Yasuaki Uehara
- Department of Biochemistry, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan.,Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo 060-8543, Japan
| | - Atsushi Saito
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo 060-8543, Japan
| | - Motoko Takahashi
- Department of Biochemistry, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
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27
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Bryan L, Clynes M, Meleady P. The emerging role of cellular post-translational modifications in modulating growth and productivity of recombinant Chinese hamster ovary cells. Biotechnol Adv 2021; 49:107757. [PMID: 33895332 DOI: 10.1016/j.biotechadv.2021.107757] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 04/19/2021] [Accepted: 04/19/2021] [Indexed: 02/06/2023]
Abstract
Chinese hamster ovary (CHO) cells are one of the most commonly used host cell lines used for the production human therapeutic proteins. Much research over the past two decades has focussed on improving the growth, titre and cell specific productivity of CHO cells and in turn lowering the costs associated with production of recombinant proteins. CHO cell engineering has become of particular interest in recent years following the publication of the CHO cell genome and the availability of data relating to the proteome, transcriptome and metabolome of CHO cells. However, data relating to the cellular post-translational modification (PTMs) which can affect the functionality of CHO cellular proteins has only begun to be presented in recent years. PTMs are important to many cellular processes and can further alter proteins by increasing the complexity of proteins and their interactions. In this review, we describe the research presented from CHO cells to date related on three of the most important PTMs; glycosylation, phosphorylation and ubiquitination.
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Affiliation(s)
- Laura Bryan
- National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Martin Clynes
- National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Paula Meleady
- National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland.
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28
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Huang YF, Aoki K, Akase S, Ishihara M, Liu YS, Yang G, Kizuka Y, Mizumoto S, Tiemeyer M, Gao XD, Aoki-Kinoshita KF, Fujita M. Global mapping of glycosylation pathways in human-derived cells. Dev Cell 2021; 56:1195-1209.e7. [PMID: 33730547 PMCID: PMC8086148 DOI: 10.1016/j.devcel.2021.02.023] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 12/15/2020] [Accepted: 02/12/2021] [Indexed: 01/02/2023]
Abstract
Glycans are one of the fundamental classes of macromolecules and are involved in a broad range of biological phenomena. A large variety of glycan structures can be synthesized depending on tissue or cell types and environmental changes. Here, we developed a comprehensive glycosylation mapping tool, termed GlycoMaple, to visualize and estimate glycan structures based on gene expression. We informatically selected 950 genes involved in glycosylation and its regulation. Expression profiles of these genes were mapped onto global glycan metabolic pathways to predict glycan structures, which were confirmed using glycomic analyses. Based on the predictions of N-glycan processing, we constructed 40 knockout HEK293 cell lines and analyzed the effects of gene knockout on glycan structures. Finally, the glycan structures of 64 cell lines, 37 tissues, and primary colon tumor tissues were estimated and compared using publicly available databases. Our systematic approach can accelerate glycan analyses and engineering in mammalian cells.
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Affiliation(s)
- Yi-Fan Huang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Kazuhiro Aoki
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA 30602, USA
| | - Sachiko Akase
- Graduate School of Engineering, Soka University, Hachioji, Tokyo 192-8577, Japan
| | - Mayumi Ishihara
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA 30602, USA
| | - Yi-Shi Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Ganglong Yang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yasuhiko Kizuka
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan; Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan
| | - Shuji Mizumoto
- Department of Pathobiochemistry, Faculty of Pharmacy, Meijo University, Nagoya, Aichi 468-8503, Japan
| | - Michael Tiemeyer
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA 30602, USA
| | - Xiao-Dong Gao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Kiyoko F Aoki-Kinoshita
- Graduate School of Engineering, Soka University, Hachioji, Tokyo 192-8577, Japan; Glycan & Life System Integration Center (GaLSIC), Faculty of Science and Engineering, Soka University, Hachioji, Tokyo 192-8577, Japan.
| | - Morihisa Fujita
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China.
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29
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Bagdonaite I, Thompson AJ, Wang X, Søgaard M, Fougeroux C, Frank M, Diedrich JK, Yates JR, Salanti A, Vakhrushev SY, Paulson JC, Wandall HH. Site-Specific O-Glycosylation Analysis of SARS-CoV-2 Spike Protein Produced in Insect and Human Cells. Viruses 2021; 13:v13040551. [PMID: 33806155 PMCID: PMC8064498 DOI: 10.3390/v13040551] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/16/2021] [Accepted: 03/22/2021] [Indexed: 12/22/2022] Open
Abstract
Enveloped viruses hijack not only the host translation processes, but also its glycosylation machinery, and to a variable extent cover viral surface proteins with tolerogenic host-like structures. SARS-CoV-2 surface protein S presents as a trimer on the viral surface and is covered by a dense shield of N-linked glycans, and a few O-glycosites have been reported. The location of O-glycans is controlled by a large family of initiating enzymes with variable expression in cells and tissues and hence is difficult to predict. Here, we used our well-established O-glycoproteomic workflows to map the precise positions of O-linked glycosylation sites on three different entities of protein S—insect cell or human cell-produced ectodomains, or insect cell derived receptor binding domain (RBD). In total 25 O-glycosites were identified, with similar patterns in the two ectodomains of different cell origin, and a distinct pattern of the monomeric RBD. Strikingly, 16 out of 25 O-glycosites were located within three amino acids from known N-glycosites. However, O-glycosylation was primarily found on peptides that were unoccupied by N-glycans, and otherwise had low overall occupancy. This suggests possible complementary functions of O-glycans in immune shielding and negligible effects of O-glycosylation on subunit vaccine design for SARS-CoV-2.
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Affiliation(s)
- Ieva Bagdonaite
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, University of Copenhagen, 2200 Copenhagen, Denmark;
- Correspondence: (I.B.); (H.H.W.)
| | - Andrew J. Thompson
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; (A.J.T.); (X.W.); (J.K.D.); (J.R.Y.III); (J.C.P.)
| | - Xiaoning Wang
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; (A.J.T.); (X.W.); (J.K.D.); (J.R.Y.III); (J.C.P.)
| | - Max Søgaard
- ExpreS2ion Biotechnologies, SCION-DTU Science Park, 2970 Hørsholm, Denmark;
| | - Cyrielle Fougeroux
- Centre for Medical Parasitology at Department of Immunology and Microbiology, University of Copenhagen and Department of Infectious Diseases, Copenhagen University Hospital, 2200 Copenhagen, Denmark; (C.F.); (A.S.)
- AdaptVac Aps, 2970 Hørsholm, Denmark
| | | | - Jolene K. Diedrich
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; (A.J.T.); (X.W.); (J.K.D.); (J.R.Y.III); (J.C.P.)
| | - John R. Yates
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; (A.J.T.); (X.W.); (J.K.D.); (J.R.Y.III); (J.C.P.)
| | - Ali Salanti
- Centre for Medical Parasitology at Department of Immunology and Microbiology, University of Copenhagen and Department of Infectious Diseases, Copenhagen University Hospital, 2200 Copenhagen, Denmark; (C.F.); (A.S.)
| | - Sergey Y. Vakhrushev
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, University of Copenhagen, 2200 Copenhagen, Denmark;
| | - James C. Paulson
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; (A.J.T.); (X.W.); (J.K.D.); (J.R.Y.III); (J.C.P.)
| | - Hans H. Wandall
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, University of Copenhagen, 2200 Copenhagen, Denmark;
- Correspondence: (I.B.); (H.H.W.)
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30
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Ng'ang'a PN, Siukstaite L, Lang AE, Bakker H, Römer W, Aktories K, Schmidt G. Involvement of N-glycans in binding of Photorhabdus luminescens Tc toxin. Cell Microbiol 2021; 23:e13326. [PMID: 33720490 DOI: 10.1111/cmi.13326] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 12/20/2022]
Abstract
Photorhabdus luminescens Tc toxins are large tripartite ABC-type toxin complexes, composed of TcA, TcB and TcC proteins. Tc toxins are widespread and have shown a tropism for a variety of targets including insect, mammalian and human cells. However, their receptors and the specific mechanisms of uptake into target cells remain unknown. Here, we show that the TcA protein TcdA1 interacts with N-glycans, particularly Lewis X/Y antigens. This is confirmed using N-acetylglucosamine transferase I (Mgat1 gene product)-deficient Chinese hamster ovary (CHO) Lec1 cells, which are highly resistant to intoxication by the Tc toxin complex most likely due to the absence of complex N-glycans. Restoring Mgat1 gene activity, and hence complex N-glycan biosynthesis, recapitulated the sensitivity of these cells to the toxin. Exogenous addition of Lewis X trisaccharide partially inhibits intoxication in wild-type cells. Additionally, sialic acid also largely reduced binding of the Tc toxin. Moreover, proteolytic activation of TcdA1 alters glycan-binding and uptake into target cells. The data suggest that TcdA1-binding is most likely multivalent, and carbohydrates probably work cooperatively to facilitate binding and intoxication.
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Affiliation(s)
- Peter Njenga Ng'ang'a
- Institute for Experimental and Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Spemann Graduate School for Biology and Medicine, University of Freiburg, Freiburg, Germany
| | - Lina Siukstaite
- Faculty of Biology, University of Freiburg, Freiburg, Germany.,CIBSS-Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
| | - Alexander E Lang
- Institute for Experimental and Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Hans Bakker
- Institut für Klinische Biochemie, Medizinische Hochschule Hannover, MHH, Hannover, Germany
| | - Winfried Römer
- Spemann Graduate School for Biology and Medicine, University of Freiburg, Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany.,CIBSS-Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany.,BIOSS-Centre for Biological Signaling Studies, University of Freiburg, Freiburg, Germany
| | - Klaus Aktories
- Institute for Experimental and Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Spemann Graduate School for Biology and Medicine, University of Freiburg, Freiburg, Germany.,BIOSS-Centre for Biological Signaling Studies, University of Freiburg, Freiburg, Germany
| | - Gudula Schmidt
- Institute for Experimental and Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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31
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Cioce A, Malaker SA, Schumann B. Generating orthogonal glycosyltransferase and nucleotide sugar pairs as next-generation glycobiology tools. Curr Opin Chem Biol 2021; 60:66-78. [PMID: 33125942 PMCID: PMC7955280 DOI: 10.1016/j.cbpa.2020.09.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 09/01/2020] [Indexed: 02/06/2023]
Abstract
Protein glycosylation fundamentally impacts biological processes. Nontemplated biosynthesis introduces unparalleled complexity into glycans that needs tools to understand their roles in physiology. The era of quantitative biology is a great opportunity to unravel these roles, especially by mass spectrometry glycoproteomics. However, with high sensitivity come stringent requirements on tool specificity. Bioorthogonal metabolic labeling reagents have been fundamental to studying the cell surface glycoproteome but typically enter a range of different glycans and are thus of limited specificity. Here, we discuss the generation of metabolic 'precision tools' to study particular subtypes of the glycome. A chemical biology tactic termed bump-and-hole engineering generates mutant glycosyltransferases that specifically accommodate bioorthogonal monosaccharides as an enabling technique of glycobiology. We review the groundbreaking discoveries that have led to applying the tactic in the living cell and the implications in the context of current developments in mass spectrometry glycoproteomics.
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Affiliation(s)
- Anna Cioce
- Chemical Glycobiology Laboratory, The Francis Crick Institute, 1 Midland Road, NW1 1AT, London, United Kingdom; Department of Chemistry, Imperial College London, 80 Wood Lane, W12 0BZ, London, United Kingdom
| | - Stacy A Malaker
- Department of Chemistry, Stanford University, 290 Jane Stanford Way, Stanford, CA, 94305, USA; Department of Chemistry, Yale University, 275 Prospect Street, New Haven, CT, 06511, USA.
| | - Benjamin Schumann
- Chemical Glycobiology Laboratory, The Francis Crick Institute, 1 Midland Road, NW1 1AT, London, United Kingdom; Department of Chemistry, Imperial College London, 80 Wood Lane, W12 0BZ, London, United Kingdom.
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32
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Cioce A, Malaker SA, Schumann B. Generating orthogonal glycosyltransferase and nucleotide sugar pairs as next-generation glycobiology tools. Curr Opin Chem Biol 2021. [PMID: 33125942 DOI: 10.1016/jcbpa.2020.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
Protein glycosylation fundamentally impacts biological processes. Nontemplated biosynthesis introduces unparalleled complexity into glycans that needs tools to understand their roles in physiology. The era of quantitative biology is a great opportunity to unravel these roles, especially by mass spectrometry glycoproteomics. However, with high sensitivity come stringent requirements on tool specificity. Bioorthogonal metabolic labeling reagents have been fundamental to studying the cell surface glycoproteome but typically enter a range of different glycans and are thus of limited specificity. Here, we discuss the generation of metabolic 'precision tools' to study particular subtypes of the glycome. A chemical biology tactic termed bump-and-hole engineering generates mutant glycosyltransferases that specifically accommodate bioorthogonal monosaccharides as an enabling technique of glycobiology. We review the groundbreaking discoveries that have led to applying the tactic in the living cell and the implications in the context of current developments in mass spectrometry glycoproteomics.
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Affiliation(s)
- Anna Cioce
- Chemical Glycobiology Laboratory, The Francis Crick Institute, 1 Midland Road, NW1 1AT, London, United Kingdom; Department of Chemistry, Imperial College London, 80 Wood Lane, W12 0BZ, London, United Kingdom
| | - Stacy A Malaker
- Department of Chemistry, Stanford University, 290 Jane Stanford Way, Stanford, CA, 94305, USA; Department of Chemistry, Yale University, 275 Prospect Street, New Haven, CT, 06511, USA.
| | - Benjamin Schumann
- Chemical Glycobiology Laboratory, The Francis Crick Institute, 1 Midland Road, NW1 1AT, London, United Kingdom; Department of Chemistry, Imperial College London, 80 Wood Lane, W12 0BZ, London, United Kingdom.
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Čaval T, de Haan N, Konstantinidi A, Vakhrushev SY. Quantitative characterization of O-GalNAc glycosylation. Curr Opin Struct Biol 2021; 68:135-141. [PMID: 33508547 DOI: 10.1016/j.sbi.2020.12.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/26/2020] [Accepted: 12/29/2020] [Indexed: 12/16/2022]
Abstract
O-GalNAc type glycosylation is an abundant and complex protein modification. Recent developments in mass spectrometry resulted in significant success in quantitative analysis of O-GalNAc glycosylation. The analysis of released O-GalNAc type glycans expanded our horizons of understanding the glycome of various biological models. The site-specific analysis of glycosylation micro-heterogeneity of purified proteins opened perspectives for the improved design of glycoprotein therapeutics. Advanced gene editing and chemical technologies applied to O-glycoproteomics enabled to identify O-GalNAc glycosylation at unprecedented depth. Progress in the analysis of intact glycoproteins under native and reduced conditions enabled the monitoring of glycosylation proteoform variants. Despite of the astonishing results in quantitative O-GalNAc glycoproteomics, site-specific mapping of the full O-GalNAc structural repertoire in complex samples is yet a long way off. Here, we summarize the most common quantitative strategies in O-GalNAc glycoproteomics, review recent progress and discuss benefits and limitations of the various approaches in the field.
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Affiliation(s)
- Tomislav Čaval
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen N, Denmark
| | - Noortje de Haan
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen N, Denmark
| | - Andriana Konstantinidi
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen N, Denmark
| | - Sergey Y Vakhrushev
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen N, Denmark.
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A mass spectrometry-based glycotope-centric cellular glycomics is the more fruitful way forward to see the forest for the trees. Biochem Soc Trans 2021; 49:55-69. [PMID: 33492355 DOI: 10.1042/bst20190861] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 02/08/2023]
Abstract
The nature of protein glycosylation renders cellular glycomics a very challenging task in having to deal with all the disparate glycans carried on membrane glycoproteins. Rapid mapping by mass spectrometry analysis provides only a coarse sketch of the glycomic complexity based primarily on glycosyl compositions, whereby the missing high-resolution structural details require a combination of multi-mode separations and multi-stages of induced fragmentation to gain sufficiently discriminative precision, often at the expenses of throughput and sensitivity. Given the available technology and foreseeable advances in the near future, homing in on resolving the terminal fucosylated, sialylated and/or sulfated structural units, or glycotopes, maybe a more pragmatic and ultimately more rewarding approach to gain insights into myriad biological processes mediated by these terminal coding units carried on important glycoproteins, to be decoded by a host of endogenous glycan-binding proteins and antibodies. A broad overview of recent technical advances and limitations in cellular glycomics is first provided as a backdrop to the propounded glycotope-centric approach based on advanced nanoLC-MS2/MS3 analysis of permethylated glycans. To prioritize analytical focus on the more tangible glycotopes is akin to first identifying the eye-catching and characteristic-defining flowers and fruits of the glyco-forest, to see the forest for the trees. It has the best prospects of attaining the much-needed balance in sensitivity, structural precision and analytical throughput to match advances in other omics.
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Pecori F, Yokota I, Hanamatsu H, Miura T, Ogura C, Ota H, Furukawa JI, Oki S, Yamamoto K, Yoshie O, Nishihara S. A defined glycosylation regulatory network modulates total glycome dynamics during pluripotency state transition. Sci Rep 2021; 11:1276. [PMID: 33446700 PMCID: PMC7809059 DOI: 10.1038/s41598-020-79666-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 12/10/2020] [Indexed: 12/14/2022] Open
Abstract
Embryonic stem cells (ESCs) and epiblast-like cells (EpiLCs) recapitulate in vitro the epiblast first cell lineage decision, allowing characterization of the molecular mechanisms underlying pluripotent state transition. Here, we performed a comprehensive and comparative analysis of total glycomes of mouse ESCs and EpiLCs, revealing that overall glycosylation undergoes dramatic changes from early stages of development. Remarkably, we showed for the first time the presence of a developmentally regulated network orchestrating glycosylation changes and identified polycomb repressive complex 2 (PRC2) as a key component involved in this process. Collectively, our findings provide novel insights into the naïve-to-primed pluripotent state transition and advance the understanding of glycosylation complex regulation during early mouse embryonic development.
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Affiliation(s)
- Federico Pecori
- Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo, 192-8577, Japan
| | - Ikuko Yokota
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Sapporo, Hokkaido, 060-8638, Japan
| | - Hisatoshi Hanamatsu
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Sapporo, Hokkaido, 060-8638, Japan
| | - Taichi Miura
- Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo, 192-8577, Japan
- National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan
| | - Chika Ogura
- Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo, 192-8577, Japan
| | - Hayato Ota
- Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo, 192-8577, Japan
| | - Jun-Ichi Furukawa
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Sapporo, Hokkaido, 060-8638, Japan
| | - Shinya Oki
- Department of Drug Discovery Medicine, Graduate School of Medicine, Kyoto University, 53 Shogoin Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Kazuo Yamamoto
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8562, Japan
| | - Osamu Yoshie
- Health and Kampo Institute, 1-11-10 Murasakiyama, Izumi, Sendai, Miyagi, 981-3205, Japan
| | - Shoko Nishihara
- Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo, 192-8577, Japan.
- Glycan and Life System Integration Center (GaLSIC), Faculty of Science and Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo, 192-8577, Japan.
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Narimatsu Y, Büll C, Chen YH, Wandall HH, Yang Z, Clausen H. Genetic glycoengineering in mammalian cells. J Biol Chem 2021; 296:100448. [PMID: 33617880 PMCID: PMC8042171 DOI: 10.1016/j.jbc.2021.100448] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/17/2021] [Accepted: 02/18/2021] [Indexed: 02/06/2023] Open
Abstract
Advances in nuclease-based gene-editing technologies have enabled precise, stable, and systematic genetic engineering of glycosylation capacities in mammalian cells, opening up a plethora of opportunities for studying the glycome and exploiting glycans in biomedicine. Glycoengineering using chemical, enzymatic, and genetic approaches has a long history, and precise gene editing provides a nearly unlimited playground for stable engineering of glycosylation in mammalian cells to explore and dissect the glycome and its many biological functions. Genetic engineering of glycosylation in cells also brings studies of the glycome to the single cell level and opens up wider use and integration of data in traditional omics workflows in cell biology. The last few years have seen new applications of glycoengineering in mammalian cells with perspectives for wider use in basic and applied glycosciences, and these have already led to discoveries of functions of glycans and improved designs of glycoprotein therapeutics. Here, we review the current state of the art of genetic glycoengineering in mammalian cells and highlight emerging opportunities.
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Affiliation(s)
- Yoshiki Narimatsu
- Department of Cellular and Molecular Medicine, Faculty of Health Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark; GlycoDisplay ApS, Copenhagen, Denmark.
| | - Christian Büll
- Department of Cellular and Molecular Medicine, Faculty of Health Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark.
| | | | - Hans H Wandall
- Department of Cellular and Molecular Medicine, Faculty of Health Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Zhang Yang
- Department of Cellular and Molecular Medicine, Faculty of Health Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark; GlycoDisplay ApS, Copenhagen, Denmark
| | - Henrik Clausen
- Department of Cellular and Molecular Medicine, Faculty of Health Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark.
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Pecori F, Akimoto Y, Hanamatsu H, Furukawa JI, Shinohara Y, Ikehara Y, Nishihara S. Mucin-type O-glycosylation controls pluripotency in mouse embryonic stem cells via Wnt receptor endocytosis. J Cell Sci 2020; 133:jcs245845. [PMID: 32973111 DOI: 10.1242/jcs.245845] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 09/09/2020] [Indexed: 12/16/2022] Open
Abstract
Mouse embryonic stem cells (ESCs) can differentiate into a range of cell types during development, and this pluripotency is regulated by various extrinsic and intrinsic factors. Mucin-type O-glycosylation has been suggested to be a potential factor in the control of ESC pluripotency, and is characterized by the addition of N-acetylgalactosamine (GalNAc) to serine or threonine residues of membrane-anchored proteins and secreted proteins. To date, the relationship between mucin-type O-glycosylation and signaling in ESCs remains undefined. Here, we identify the elongation pathway via C1GalT1 that synthesizes T antigen (Galβ1-3GalNAc) as the most prominent among mucin-type O-glycosylation modifications in ESCs. Moreover, we show that mucin-type O-glycosylation on the Wnt signaling receptor frizzled-5 (Fzd5) regulates its endocytosis via galectin-3 binding to T antigen, and that reduction of T antigen results in the exit of the ESCs from pluripotency via canonical Wnt signaling activation. Our findings reveal a novel regulatory mechanism that modulates Wnt signaling and, consequently, ESC pluripotency.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Federico Pecori
- Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo 192-8577, Japan
| | - Yoshihiro Akimoto
- Department of Anatomy, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka, Tokyo 181-8611, Japan
| | - Hisatoshi Hanamatsu
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Sapporo 060-8638, Japan
| | - Jun-Ichi Furukawa
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Sapporo 060-8638, Japan
| | - Yasuro Shinohara
- Department of Pharmacy, Kinjo Gakuin University, 2-1723 Omori, Moriyama-ku, Nagoya, Aichi 463-8521, Japan
| | - Yuzuru Ikehara
- Department of Molecular and Tumor Pathology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Shoko Nishihara
- Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo 192-8577, Japan
- Glycan & Life System Integration Center (GaLSIC), Faculty of Science and Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo 192-8577, Japan
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Miura N, Hanamatsu H, Yokota I, Okada K, Furukawa JI, Shinohara Y. Toolbox Accelerating Glycomics (TAG): Glycan Annotation from MALDI-TOF MS Spectra and Mapping Expression Variation to Biosynthetic Pathways. Biomolecules 2020; 10:biom10101383. [PMID: 32998456 PMCID: PMC7650810 DOI: 10.3390/biom10101383] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 09/23/2020] [Accepted: 09/26/2020] [Indexed: 11/16/2022] Open
Abstract
Glycans present extraordinary structural diversity commensurate with their involvement in numerous fundamental cellular processes including growth, differentiation, and morphogenesis. Unlike linear DNA and protein sequences, glycans have heterogeneous structures that differ in composition, branching, linkage, and anomericity. These differences pose a challenge to developing useful software for glycomic analysis. To overcome this problem, we developed the novel Toolbox Accelerating Glycomics (TAG) program. TAG consists of three units: ‘TAG List’ creates a glycan list that is used for database searching in TAG Expression; ‘TAG Expression’ automatically annotates and quantifies glycan signals and draws graphs; and ‘TAG Pathway’ maps the obtained expression information to biosynthetic pathways. Herein, we discuss the concepts, outline the TAG process, and demonstrate its potential using glycomic expression profile data from Chinese hamster ovary (CHO) cells and mutants lacking a functional Npc1 gene (Npc1 knockout (KO) CHO cells). TAG not only drastically reduced the amount of time and labor needed for glycomic analysis but also detected and quantified more glycans than manual analysis. Although this study was limited to the analysis of N-glycans and free oligosaccharides, the glycomic platform will be expanded to facilitate the analysis of O-glycans and glycans of glycosphingolipids.
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Affiliation(s)
- Nobuaki Miura
- Division of Bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Chuo-ku, Niigata 951-8510, Japan
- Correspondence: (N.M.); (Y.S.)
| | - Hisatoshi Hanamatsu
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan; (H.H.); (I.Y.); (K.O.); (J.-I.F.)
| | - Ikuko Yokota
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan; (H.H.); (I.Y.); (K.O.); (J.-I.F.)
| | - Kazue Okada
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan; (H.H.); (I.Y.); (K.O.); (J.-I.F.)
| | - Jun-Ichi Furukawa
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan; (H.H.); (I.Y.); (K.O.); (J.-I.F.)
| | - Yasuro Shinohara
- Department of Pharmacy, Kinjo Gakuin University, Nagoya 463-8521, Japan
- Correspondence: (N.M.); (Y.S.)
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Furukawa JI, Hanamatsu H, Nishikaze T, Manya H, Miura N, Yagi H, Yokota I, Akasaka-Manya K, Endo T, Kanagawa M, Iwasaki N, Tanaka K. Lactone-Driven Ester-to-Amide Derivatization for Sialic Acid Linkage-Specific Alkylamidation. Anal Chem 2020; 92:14383-14392. [DOI: 10.1021/acs.analchem.0c02209] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Jun-ichi Furukawa
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Hisatoshi Hanamatsu
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Kita15, Nishi7, Kita-ku, Sapporo 060-8638, Japan
| | - Takashi Nishikaze
- Koichi Tanaka Mass Spectrometry Research Laboratory, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Hiroshi Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Nobuaki Miura
- Division of Bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Chuo-ku, Niigata 951-8510, Japan
| | - Hirokazu Yagi
- Graduate School of Pharmaceutical Sciences, Nagoya City University,3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Ikuko Yokota
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Keiko Akasaka-Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Tamao Endo
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Motoi Kanagawa
- Department of Cell Biology and Molecular Medicine, Ehime University Graduate School of Medicine, Shitsukawa 454, Toon, Ehime 791-0295, Japan
- Division of Molecular Brain Science, Kobe University Graduate School of Medicine, Kusunoki-cho 7-5-1, Chuo-ku, Kobe, Hyogo 650-0017, Japan
| | - Norimasa Iwasaki
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita21, Nishi11, Kita-ku, Sapporo 001-0021, Japan
| | - Koichi Tanaka
- Koichi Tanaka Mass Spectrometry Research Laboratory, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
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40
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Carbajo D, Pérez Y, Bujons J, Alfonso I. Live‐Cell‐Templated Dynamic Combinatorial Chemistry. Angew Chem Int Ed Engl 2020; 59:17202-17206. [DOI: 10.1002/anie.202004745] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Daniel Carbajo
- Department of Biological Chemistry Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
| | - Yolanda Pérez
- NMR Facility (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
| | - Jordi Bujons
- Department of Biological Chemistry Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
| | - Ignacio Alfonso
- Department of Biological Chemistry Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
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41
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Carbajo D, Pérez Y, Bujons J, Alfonso I. Live‐Cell‐Templated Dynamic Combinatorial Chemistry. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004745] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Daniel Carbajo
- Department of Biological Chemistry Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
| | - Yolanda Pérez
- NMR Facility (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
| | - Jordi Bujons
- Department of Biological Chemistry Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
| | - Ignacio Alfonso
- Department of Biological Chemistry Institute of Advanced Chemistry of Catalonia (IQAC-CSIC) Jordi Girona 18–26 08034 Barcelona Spain
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Evaluation of the Impact of Imprinted Polymer Particles on Morphology and Motility of Breast Cancer Cells by Using Digital Holographic Cytometry. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10030750] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Breast cancer is the second most common cancer type worldwide and breast cancer metastasis accounts for the majority of breast cancer-related deaths. Tumour cells produce increased levels of sialic acid (SA) that terminates the monosaccharide on glycan chains of the glycosylated proteins. SA can contribute to cellular recognition, cancer invasiveness and increase the metastatic potential of cancer cells. SA-templated molecularly imprinted polymers (MIPs) have been proposed as promising reporters for specific targeting of cancer cells when deployed in nanoparticle format. The sialic acid-molecularly imprinted polymers (SA-MIPs), which use SA for the generation of binding sites through which the nanoparticles can target and stain breast cancer cells, opens new strategies for efficient diagnostic tools. This study aims at monitoring the effects of SA-MIPs on morphology and motility of the epithelial type MCF-7 and the highly metastatic MDAMB231 breast cancer cell lines, using digital holographic cytometry (DHC). DHC is a label-free technique that is used in cell morphology studies of e.g., cell volume, area and thickness as well as in motility studies. Here, we show that MCF-7 cells move slower than MDAMB231 cells. We also show that SA-MIPs have an effect on cell morphology, motility and viability of both cell lines. In conclusion, by using DH microscopy, we could detect SA-MIPs impact on different breast cancer cells regarding morphology and motility.
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Tri-antennary tri-sialylated mono-fucosylated glycan of alpha-1 antitrypsin as a non-invasive biomarker for non-alcoholic steatohepatitis: a novel glycobiomarker for non-alcoholic steatohepatitis. Sci Rep 2020; 10:321. [PMID: 31941930 PMCID: PMC6962197 DOI: 10.1038/s41598-019-56947-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 12/16/2019] [Indexed: 12/14/2022] Open
Abstract
Non-alcoholic steatohepatitis (NASH) is a progressive form of non-alcoholic fatty liver disease (NAFLD) that may lead to liver cirrhosis or hepatocellular carcinoma. Here, we examined the diagnostic utility of tri-antennary tri-sialylated mono-fucosylated glycan of alpha-1 antitrypsin (AAT-A3F), a non-invasive glycobiomarker identified in a previous study of NASH diagnosis. This study included 131 biopsy-proven Japanese patients with NAFLD. We evaluated the utility of AAT-A3F in NASH diagnosis, and conducted genetic analysis to analyse the mechanism of AAT-A3F elevation in NASH. Serum AAT-A3F concentrations were significantly higher in NASH patients than in NAFL patients, and in patients with fibrosis, lobular inflammation, and ballooning. Hepatic FUT6 gene expression was significantly higher in NASH than in NAFL. IL-6 expression levels were significantly higher in NASH than in NAFL and showed a positive correlation with FUT6 expression levels. The serum-AAT-A3F levels strongly correlated with hepatic FUT6 expression levels. AAT-A3F levels increased with fibrosis, pathological inflammation, and ballooning in patients with NAFLD and may be useful for non-invasive diagnosis of NASH from the early stages of fibrosis.
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Highly sulfated hyaluronic acid maintains human induced pluripotent stem cells under feeder-free and bFGF-free conditions. Biochem Biophys Res Commun 2019; 518:506-512. [PMID: 31439376 DOI: 10.1016/j.bbrc.2019.08.082] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 08/14/2019] [Indexed: 12/12/2022]
Abstract
Human induced pluripotent stem (hiPS) cells are attracting attention as a tool for regenerative medicine. However, several problems need to be overcome for their widespread and safe use, for example, the high cost of maintaining hiPS cells and the possibility of xenogeneic cell contamination in hiPS cell cultures. One of the main contributors to the high cost of maintaining hiPS cells is basic fibroblast growth factor (bFGF), which is essential for such cultures. Xenogeneic contamination can occur because of the use of mouse-derived feeder cells to culture hiPS cells. To overcome the problems of cell culture cost and xenogeneic contamination, we have developed a novel culture method in which the undifferentiated state and pluripotency of hiPS cells can be maintained under feeder-free and bFGF-free conditions. Our new approach involves the addition to the culture medium of highly sulfated hyaluronic acid (HA-HS), in which the hydroxyl groups of d-glucuronic acid (GlcA) and N-acetyl-d-glucosamine (GlcNAc) are chemically sulfated. HA-HS promotes bFGF signaling and maintains the undifferentiated state and pluripotency of hiPS cells under feeder-free and bFGF-free conditions. By contrast, non-sulfated hyaluronic acid and low sulfated hyaluronic acid do not maintain the undifferentiated state and pluripotency of hiPS cells. These results indicate that the maintenance of hiPS cells under feeder-free and bFGF-free conditions is an HA-HS specific effect. This study is the first to demonstrate the effects of sulfated hyaluronic acid on mammalian pluripotent stem cells, and provides a novel method for maintaining hiPS cells using HA-HS.
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Glyco-DIA: a method for quantitative O-glycoproteomics with in silico-boosted glycopeptide libraries. Nat Methods 2019; 16:902-910. [PMID: 31384044 DOI: 10.1038/s41592-019-0504-x] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 06/26/2019] [Indexed: 12/21/2022]
Abstract
We report a liquid chromatography coupled to tandem mass spectrometry O-glycoproteomics strategy using data-independent acquisition (DIA) mode for direct analysis of O-glycoproteins. This approach enables characterization of glycopeptides and structures of O-glycans on a proteome-wide scale with quantification of stoichiometries (though it does not allow for direct unambiguous glycosite identification). The method relies on a spectral library of O-glycopeptides; the Glyco-DIA library contains sublibraries obtained from human cell lines and human serum, and it currently covers 2,076 O-glycoproteins (11,452 unique glycopeptide sequences) and the 5 most common core1 O-glycan structures. Applying the Glyco-DIA library to human serum without enrichment for glycopeptides enabled us to identify and quantify 269 distinct glycopeptide sequences bearing up to 5 different core1 O-glycans from 159 glycoproteins in a SingleShot analysis.
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46
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Alteration of the Total Cellular Glycome during Late Differentiation of Chondrocytes. Int J Mol Sci 2019; 20:ijms20143546. [PMID: 31331074 PMCID: PMC6678350 DOI: 10.3390/ijms20143546] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 07/16/2019] [Accepted: 07/17/2019] [Indexed: 12/24/2022] Open
Abstract
In normal articular cartilage, chondrocytes do not readily proliferate or terminally differentiate, and exhibit a low level of metabolism. Hypertrophy-like changes of chondrocytes have been proposed to play a role in the pathogenesis of osteoarthritis by inducing protease-mediated cartilage degradation and calcification; however, the molecular mechanisms underlying these changes are unclear. Glycans are located on the outermost cell surface. Dynamic cellular differentiation can be monitored and quantitatively characterized by profiling the glycan structures of total cellular glycoproteins. This study aimed to clarify the alterations in glycans upon late differentiation of chondrocytes, during which hypertrophy-like changes occur. Primary mouse chondrocytes were differentiated using an insulin-induced chondro-osteogenic differentiation model. Comprehensive glycomics, including N-glycans, O-glycans, free oligosaccharides, glycosaminoglycan, and glycosphingolipid, were analyzed for the chondrocytes after 0-, 10- and 20-days cultivation. The comparison and clustering of the alteration of glycans upon hypertrophy-like changes of primary chondrocytes were performed. Comprehensive glycomic analyses provided complementary alterations in the levels of various glycans derived from glycoconjugates during hypertrophic differentiation. In addition, expression of genes related to glycan biosynthesis and metabolic processes was significantly correlated with glycan alterations. Our results indicate that total cellular glycan alterations are closely associated with chondrocyte hypertrophy and help to describe the glycophenotype by chondrocytes and their hypertrophic differentiation. our results will assist the identification of diagnostic and differentiation biomarkers in the future.
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Kobayashi T, Ogawa K, Furukawa JI, Hanamatsu H, Hato M, Yoshinaga T, Morikawa K, Suda G, Sho T, Nakai M, Higashino K, Numata Y, Shinohara Y, Sakamoto N. Quantifying Protein-Specific N-Glycome Profiles by Focused Protein and Immunoprecipitation Glycomics. J Proteome Res 2019; 18:3133-3141. [DOI: 10.1021/acs.jproteome.9b00232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Takashi Kobayashi
- Shionogi Innovation Center for Drug Discovery, Shionogi & Co., Ltd., Sapporo, Japan
| | - Koji Ogawa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Jun-ichi Furukawa
- Laboratory of Medical and Functional Glycomics, Graduate School of Advanced Life Science, Hokkaido University, Sapporo, Japan
| | - Hisatoshi Hanamatsu
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Megumi Hato
- Shionogi Innovation Center for Drug Discovery, Shionogi & Co., Ltd., Sapporo, Japan
| | - Tomoyo Yoshinaga
- Shionogi Innovation Center for Drug Discovery, Shionogi & Co., Ltd., Sapporo, Japan
| | - Kenichi Morikawa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Goki Suda
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Takuya Sho
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masato Nakai
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kenichi Higashino
- Shionogi Innovation Center for Drug Discovery, Shionogi & Co., Ltd., Sapporo, Japan
| | - Yoshito Numata
- Shionogi Innovation Center for Drug Discovery, Shionogi & Co., Ltd., Sapporo, Japan
| | - Yasuro Shinohara
- Laboratory of Medical and Functional Glycomics, Graduate School of Advanced Life Science, Hokkaido University, Sapporo, Japan
| | - Naoya Sakamoto
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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Narimatsu Y, Joshi HJ, Nason R, Van Coillie J, Karlsson R, Sun L, Ye Z, Chen YH, Schjoldager KT, Steentoft C, Furukawa S, Bensing BA, Sullam PM, Thompson AJ, Paulson JC, Büll C, Adema GJ, Mandel U, Hansen L, Bennett EP, Varki A, Vakhrushev SY, Yang Z, Clausen H. An Atlas of Human Glycosylation Pathways Enables Display of the Human Glycome by Gene Engineered Cells. Mol Cell 2019; 75:394-407.e5. [PMID: 31227230 DOI: 10.1016/j.molcel.2019.05.017] [Citation(s) in RCA: 154] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 02/08/2019] [Accepted: 05/10/2019] [Indexed: 11/29/2022]
Abstract
The structural diversity of glycans on cells-the glycome-is vast and complex to decipher. Glycan arrays display oligosaccharides and are used to report glycan hapten binding epitopes. Glycan arrays are limited resources and present saccharides without the context of other glycans and glycoconjugates. We used maps of glycosylation pathways to generate a library of isogenic HEK293 cells with combinatorially engineered glycosylation capacities designed to display and dissect the genetic, biosynthetic, and structural basis for glycan binding in a natural context. The cell-based glycan array is self-renewable and reports glycosyltransferase genes required (or blocking) for interactions through logical sequential biosynthetic steps, which is predictive of structural glycan features involved and provides instructions for synthesis, recombinant production, and genetic dissection strategies. Broad utility of the cell-based glycan array is demonstrated, and we uncover higher order binding of microbial adhesins to clustered patches of O-glycans organized by their presentation on proteins.
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Affiliation(s)
- Yoshiki Narimatsu
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark; GlycoDisplay ApS, Copenhagen, Denmark.
| | - Hiren J Joshi
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Rebecca Nason
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Julie Van Coillie
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Richard Karlsson
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Lingbo Sun
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Zilu Ye
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Yen-Hsi Chen
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark; GlycoDisplay ApS, Copenhagen, Denmark
| | - Katrine T Schjoldager
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Catharina Steentoft
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Sanae Furukawa
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Barbara A Bensing
- Department of Medicine, The San Francisco Veterans Affairs Medical Center, and the University of California, San Francisco, San Francisco, CA 94121, USA
| | - Paul M Sullam
- Department of Medicine, The San Francisco Veterans Affairs Medical Center, and the University of California, San Francisco, San Francisco, CA 94121, USA
| | - Andrew J Thompson
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - James C Paulson
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA; Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Christian Büll
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark; Radiotherapy and OncoImmunology Laboratory, Department of Radiotherapy, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Gosse J Adema
- Radiotherapy and OncoImmunology Laboratory, Department of Radiotherapy, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Ulla Mandel
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Lars Hansen
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Eric Paul Bennett
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Ajit Varki
- The Glycobiology Research and Training Center and the Department of Cellular and Molecular Medicine, University of California, San Diego, San Diego, CA 92093, USA
| | - Sergey Y Vakhrushev
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Zhang Yang
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark; GlycoDisplay ApS, Copenhagen, Denmark
| | - Henrik Clausen
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark.
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Contessotto P, Ellis BW, Jin C, Karlsson NG, Zorlutuna P, Kilcoyne M, Pandit A. Distinct glycosylation in membrane proteins within neonatal versus adult myocardial tissue. Matrix Biol 2019; 85-86:173-188. [PMID: 31108197 DOI: 10.1016/j.matbio.2019.05.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 04/18/2019] [Accepted: 05/14/2019] [Indexed: 12/16/2022]
Abstract
Mammalian hearts have regenerative potential restricted to early neonatal stage and lost within seven days after birth. Carbohydrates exclusive to cardiac neonatal tissue may be key regulators of regenerative potential. Although cell surface and extracellular matrix glycosylation are known modulators of tissue and cellular function and development, variation in cardiac glycosylation from neonatal tissue to maturation has not been fully examined. In this study, glycosylation of the adult rat cardiac ventricle showed no variability between the two strains analysed, nor were there any differences between the glycosylation of the right or left ventricle using lectin histochemistry and microarray profiling. However, in the Sprague-Dawley strain, neonatal cardiac glycosylation in the left ventricle differed from adult tissues using mass spectrometric analysis, showing a higher expression of high mannose structures and lower expression of complex N-linked glycans in the three-day-old neonatal tissue. Man6GlcNAc2 was identified as the main high mannose N-linked structure that was decreased in adult while higher expression of sialylated N-linked glycans and lower core fucosylation for complex structures were associated with ageing. The occurrence of mucin core type 2 O-linked glycans was reduced in adult and one sulfated core type 2 O-linked structure was identified in neonatal tissue. Interestingly, O-linked glycans from mature tissue contained both N-acetylneuraminic acid (Neu5Ac) and N-glycolylneuraminic acid (Neu5Gc), while all sialylated N-linked glycans detected contained only Neu5Ac. As glycans are associated with intracellular communication, the specific neonatal structures found may indicate a role for glycosylation in the neonatal associated regenerative capacity of the mammalian heart. New strategies targeting tissue glycosylation could be a key contributor to achieve an effective regeneration of the mammalian heart in pathological scenarios such as myocardial infarction.
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Affiliation(s)
- Paolo Contessotto
- CÚRAM Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
| | - Bradley W Ellis
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, IN, USA
| | - Chunsheng Jin
- Department of Medical Biochemistry, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Niclas G Karlsson
- Department of Medical Biochemistry, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Pinar Zorlutuna
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, IN, USA; Aerospace and Mechanical Engineering Department, University of Notre Dame, Notre Dame, IN, USA
| | - Michelle Kilcoyne
- CÚRAM Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland; Carbohydrate Signalling Group, Microbiology, School of Natural Sciences, National University of Ireland Galway, Galway, Ireland
| | - Abhay Pandit
- CÚRAM Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland.
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50
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Malaker SA, Pedram K, Ferracane MJ, Bensing BA, Krishnan V, Pett C, Yu J, Woods EC, Kramer JR, Westerlind U, Dorigo O, Bertozzi CR. The mucin-selective protease StcE enables molecular and functional analysis of human cancer-associated mucins. Proc Natl Acad Sci U S A 2019; 116:7278-7287. [PMID: 30910957 PMCID: PMC6462054 DOI: 10.1073/pnas.1813020116] [Citation(s) in RCA: 171] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Mucin domains are densely O-glycosylated modular protein domains that are found in a wide variety of cell surface and secreted proteins. Mucin-domain glycoproteins are known to be key players in a host of human diseases, especially cancer, wherein mucin expression and glycosylation patterns are altered. Mucin biology has been difficult to study at the molecular level, in part, because methods to manipulate and structurally characterize mucin domains are lacking. Here, we demonstrate that secreted protease of C1 esterase inhibitor (StcE), a bacterial protease from Escherichia coli, cleaves mucin domains by recognizing a discrete peptide- and glycan-based motif. We exploited StcE's unique properties to improve sequence coverage, glycosite mapping, and glycoform analysis of recombinant human mucins by mass spectrometry. We also found that StcE digests cancer-associated mucins from cultured cells and from ascites fluid derived from patients with ovarian cancer. Finally, using StcE, we discovered that sialic acid-binding Ig-type lectin-7 (Siglec-7), a glycoimmune checkpoint receptor, selectively binds sialomucins as biological ligands, whereas the related receptor Siglec-9 does not. Mucin-selective proteolysis, as exemplified by StcE, is therefore a powerful tool for the study of mucin domain structure and function.
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Affiliation(s)
- Stacy A Malaker
- Department of Chemistry, Stanford University, Stanford, CA 94305
| | - Kayvon Pedram
- Department of Chemistry, Stanford University, Stanford, CA 94305
| | | | - Barbara A Bensing
- Department of Medicine, San Francisco Veterans Affairs Medical Center and University of California, San Francisco, CA 94143
| | - Venkatesh Krishnan
- Stanford Women's Cancer Center, Division of Gynecologic Oncology, Stanford University, Stanford, CA 94305
| | - Christian Pett
- Leibniz-Institut für Analytische Wissenschaften (ISAS), 44227 Dortmund, Germany
- Department of Chemistry, Umeå University, 901 87 Umeå, Sweden
| | - Jin Yu
- Leibniz-Institut für Analytische Wissenschaften (ISAS), 44227 Dortmund, Germany
| | - Elliot C Woods
- Department of Chemistry, Stanford University, Stanford, CA 94305
| | - Jessica R Kramer
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112
| | - Ulrika Westerlind
- Leibniz-Institut für Analytische Wissenschaften (ISAS), 44227 Dortmund, Germany
- Department of Chemistry, Umeå University, 901 87 Umeå, Sweden
| | - Oliver Dorigo
- Stanford Women's Cancer Center, Division of Gynecologic Oncology, Stanford University, Stanford, CA 94305
| | - Carolyn R Bertozzi
- Department of Chemistry, Stanford University, Stanford, CA 94305;
- Howard Hughes Medical Institute, Stanford, CA 94305
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