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Gong H, Li S, Chen F, Li Y, Chen C, Cai C. High-sensitivity detection of glycoproteins by high-density boric acid modified metal-organic framework surface molecularly imprinted polymers resonant light scattering sensor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 322:124813. [PMID: 39018673 DOI: 10.1016/j.saa.2024.124813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 07/19/2024]
Abstract
Glycoproteins are difficult to be detected by imprinting strategy due to their low natural abundance, high flexible conformation and large size. Herein, a high-density boric acid modified metal-organic framework (MOF) surface molecularly imprinted polymer (SMIP) resonant light scattering sensor was constructed for the high-sensitivity detection of target glycoproteins. A MOF with large specific surface area was selected as the substrate material to support the boric acid group with high loading density (4.66 %). The introduction of the boric acid group in the SMIP provided a high-affinity binding site for the recognition and binding of glycoproteins. Shallow surface cavities with rapid mass transfer (equilibrium time 20 min) were thus formed by surface imprinting. Furthermore, high sensitivity (limit of detection 15 pM) was achieved at physiological pH (7.4), which was conducive to the detection of glycoproteins with low natural abundance in complex biological samples and maintaining physiological activity.
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Affiliation(s)
- Hang Gong
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China; The Key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan 411105, China.
| | - Shuting Li
- The Key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Feng Chen
- The Key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Yong Li
- Yunnan Academy of Tobacco Agricultural Science, Kunming 650021, China
| | - Chunyan Chen
- The Key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan 411105, China.
| | - Changqun Cai
- The Key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan 411105, China.
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Hirose M, Nakamachi Y, Muto H, Taira A, Tanaka S, Kuribara T, Totani K. Preparation of natural high-mannose-type oligosaccharides (Glc 1Man 9GlcNAc 2) with the asparagine-glycine-threonine as consensus sequence from chicken egg yolk. Carbohydr Res 2024; 540:109138. [PMID: 38703662 DOI: 10.1016/j.carres.2024.109138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/18/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024]
Abstract
High-mannose-type glycan structure of N-glycoproteins plays important roles in the proper folding of proteins in sorting glycoprotein secretion and degradation of misfolded proteins in the endoplasmic reticulum (ER). The Glc1Man9GlcNAc2 (G1M9)-type N-glycan is one of the most important signaling molecules in the ER. However, current chemical synthesis strategies are laborious, warranting more practical approaches for G1M9-glycopeptide development. Wang et al. reported the procedure to give G1M9-Asn-Fmoc through chemical modifications and purifications from 40 chicken eggs, but only 3.3 mg of G1M9-glycopeptide was obtained. Therefore, better methods are needed to obtain more than 10 mg of G1M9-glycopeptide. In this study, we report the preparation of G1M9-glycopeptide (13.2 mg) linking Asn-Gly-Thr triad as consensus sequence from 40 chicken eggs. In this procedure, λ-carrageenan treatment followed by papain treatment was used to separate the Fc region of IgY antibody that harbors high-mannose glycans. Moreover, cotton hydrophilic interaction liquid chromatography was adapted for easy purification. The resulting G1M9-Asn(Fmoc)-Gly-Thr was identified by nuclear magnetic resonance and mass spectroscopy. G1M9-Asn(Fmoc)-Gly, G1M9-Asn(Fmoc), and G1M9-OH were also detected by mass spectroscopy. Here, our developed G1M9-tripeptide might be useful for the elucidation of glycoprotein functions as well as the specific roles of the consensus sequence.
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Affiliation(s)
- Mitsuaki Hirose
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Yuto Nakamachi
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan; KH i-Lab, KH Neochem Co., Ltd, Kanagawa, 212-0032, Japan
| | - Hasumi Muto
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Akito Taira
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Shinji Tanaka
- KH i-Lab, KH Neochem Co., Ltd, Kanagawa, 212-0032, Japan
| | - Taiki Kuribara
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Kiichiro Totani
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan.
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Nguan HS, Chen JL, Ni CK. Collision-Induced Dissociation of Fucose and Identification of Anomericity. J Phys Chem A 2024; 128:3812-3820. [PMID: 38690855 PMCID: PMC11103703 DOI: 10.1021/acs.jpca.4c00640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/15/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
Structural determination of carbohydrates using mass spectrometry remains challenging, particularly, the differentiation of anomeric configurations. In this work, we studied the collision-induced dissociation (CID) mechanisms of sodiated α- and β-l-fucose using an experimental method and quantum chemistry calculations. The calculations show that α-l-fucose is more likely to undergo dehydration due to the fact that O1 and O2 are on the same side of the sugar ring. In contrast, β-l-fucose is more prone to the ring-opening reaction because more OH groups are on the same side of the sugar ring as O1. These differences suggest a higher preference for the dehydration reaction in sodiated α-l-fucose but a lower preference for ring-opening compared to that of β-l-fucose. The calculation results, which are used to assign the CID mass spectra of α- and β-l-fucose separated by high-performance liquid chromatography, are supported by the fucose produced from the CID of disaccharides Fuc-β-(1 → 3)-GlcNAc and Fuc-α-(1 → 4)-GlcNAc. This study demonstrates that the correlation of cis- and trans-configurations of O1 and O2 to the relative branching ratios of dehydration and cross-ring dissociation in CID, observed in aldohexose and ketohexose in the pyranose form, can be extended to deoxyhexoses for anomericity determination.
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Affiliation(s)
- Hock-Seng Nguan
- Institute
of Atomic and Molecular Sciences, Academia
Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Jien-Lian Chen
- Institute
of Atomic and Molecular Sciences, Academia
Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Chi-Kung Ni
- Institute
of Atomic and Molecular Sciences, Academia
Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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Liew CY, Chen JL, Lin YT, Luo HS, Hung AT, Magoling BJA, Nguan HS, Lai CPK, Ni CK. Chromatograms and Mass Spectra of High-Mannose and Paucimannose N-Glycans for Rapid Isomeric Identifications. J Proteome Res 2024; 23:939-955. [PMID: 38364797 PMCID: PMC10913092 DOI: 10.1021/acs.jproteome.3c00640] [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: 10/03/2023] [Revised: 01/25/2024] [Accepted: 01/31/2024] [Indexed: 02/18/2024]
Abstract
N-Linked glycosylation is one of the most essential post-translational modifications of proteins. However, N-glycan structural determination remains challenging because of the small differences in structures between isomers. In this study, we constructed a database containing collision-induced dissociation MSn mass spectra and chromatograms of high-performance liquid chromatography for the rapid identification of high-mannose and paucimannose N-glycan isomers. These N-glycans include isomers by breaking of arbitrary numbers of glycosidic bonds at arbitrary positions of canonical Man9GlcNAc2 N-glycans. In addition, some GlcMannGlcNAc2 N-glycan isomers were included in the database. This database is particularly useful for the identification of the N-glycans not in conventional N-glycan standards. This study demonstrated the application of the database to structural assignment for high-mannose N-glycans extracted from bovine whey proteins, soybean proteins, human mammary epithelial cells, and human breast carcinoma cells. We found many N-glycans that are not expected to be generated by conventional biosynthetic pathways of multicellular eukaryotes.
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Affiliation(s)
- Chia Yen Liew
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- International
Graduate Program of Molecular Science and Technology, National Taiwan University, Taipei 106216, Taiwan
- Molecular
Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 106216, Taiwan
| | - Jien-Lian Chen
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Yen-Ting Lin
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Hong-Sheng Luo
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Taiwan Normal University, Taipei 116059, Taiwan
| | - An-Ti Hung
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 300044, Taiwan
| | - Bryan John Abel Magoling
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Institute
of Biochemical Sciences, College of Life Science, National Taiwan University, Taipei 106216, Taiwan
- Chemical
Biology and Molecular Biophysics Program, Taiwan International Graduate
Program, Academia Sinica, Taipei 115201, Taiwan
| | - Hock-Seng Nguan
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Charles Pin-Kuang Lai
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Chemical
Biology and Molecular Biophysics Program, Taiwan International Graduate
Program, Academia Sinica, Taipei 115201, Taiwan
- Genome
and Systems Biology Degree Program, National
Taiwan University and Academia Sinica, Taipei 106216, Taiwan
| | - Chi-Kung Ni
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Molecular
Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 300044, Taiwan
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Helms A, Brodbelt JS. Mass Spectrometry Strategies for O-Glycoproteomics. Cells 2024; 13:394. [PMID: 38474358 DOI: 10.3390/cells13050394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Glycoproteomics has accelerated in recent decades owing to numerous innovations in the analytical workflow. In particular, new mass spectrometry strategies have contributed to inroads in O-glycoproteomics, a field that lags behind N-glycoproteomics due to several unique challenges associated with the complexity of O-glycosylation. This review will focus on progress in sample preparation, enrichment strategies, and MS/MS techniques for the identification and characterization of O-glycoproteins.
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Affiliation(s)
- Amanda Helms
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712, USA
| | - Jennifer S Brodbelt
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712, USA
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Nguan HS, Tsai ST, Liew CY, Reddy NS, Hung SC, Ni CK. The collision-induced dissociation mechanism of sodiated Hex-HexNAc disaccharides. Phys Chem Chem Phys 2023; 25:22179-22194. [PMID: 37565323 DOI: 10.1039/d3cp02530f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
Determining carbohydrate structures, such as their compositions, linkage positions, and in particular the anomers and stereoisomers, is a great challenge. Isomers of different anomers or stereoisomers have the same sequences of chemical bonds, but have different orientations of some chemical bonds which are difficult to be distinguished by mass spectrometry. Collision-induced dissociation (CID) tandem mass spectroscopy (MS/MS) is a widely used technique for characterizing carbohydrate structures. Understanding the carbohydrate dissociation mechanism is important for obtaining the structural information from MS/MS. In this work, we studied the CID mechanism of galactose-N-acetylgalactosamine (Gal-GalNAc) and glucose-N-acetylglucosamine (Glc-GlcNAc) disaccharides with 1→3 and 1→4 linkages. For Gal-GalNAc disaccharides, the CID mass spectra of sodium ion adducts show significant difference between the α- and β-anomers of GalNAc at the reducing end, while no difference in the CID mass spectra between two anomers of Glc-GlcNAc disaccharides was found. Quantum chemistry calculations show that for Gal-GalNAc disaccharides, the difference of the dissociation barriers between dehydration and glycosidic bond cleavage is significantly small in the β-anomer compared to that in the α-anomer; while these differences are similar between the α- and β-anomers of Glc-GlcNAc disaccharides. These differences can be attributed to the different orientations of hydroxyl and N-acetyl groups located at GalNAc and GlcNAc. The calculation results are consistent with the CID spectra of isotope labelled disaccharides. Our study provides an insight into the CID of 1→3 and 1→4 linked Gal-GalNAc and Glc-GlcNAc disaccharides. This information is useful for determining the anomeric configurations of GalNAc in oligosaccharides.
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Affiliation(s)
- Hock-Seng Nguan
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
| | - Shang-Ting Tsai
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
| | - Chia Yen Liew
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
- International Graduate Program of Molecular Science and Technology, National Taiwan University (NTU-MST), Taipei 10617, Taiwan
- Molecular Science and Technology (MST), Taiwan International Graduate Program (TIGP), Academia Sinica, Taipei 10617, Taiwan
| | | | | | - Chi-Kung Ni
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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