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Santisteban Celis IC, Matoba N. Lectibodies as antivirals. Antiviral Res 2024; 227:105901. [PMID: 38734211 DOI: 10.1016/j.antiviral.2024.105901] [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: 01/18/2024] [Revised: 05/02/2024] [Accepted: 05/05/2024] [Indexed: 05/13/2024]
Abstract
Growing concerns regarding the emergence of highly transmissible viral diseases highlight the urgent need to expand the repertoire of antiviral therapeutics. For this reason, new strategies for neutralizing and inhibiting these viruses are necessary. A promising approach involves targeting the glycans present on the surfaces of enveloped viruses. Lectins, known for their ability to recognize specific carbohydrate molecules, offer the potential for glycan-targeted antiviral strategies. Indeed, numerous studies have reported the antiviral effects of various lectins of both endogenous and exogenous origins. However, many lectins in their natural forms, are not suitable for use as antiviral therapeutics due to toxicity, other unfavorable pharmacological effects, and/or unreliable manufacturing sources. Therefore, improvements are crucial for employing lectins as effective antiviral therapeutics. A novel approach to enhance lectins' suitability as pharmaceuticals could be the generation of recombinant lectin-Fc fusion proteins, termed "lectibodies." In this review, we discuss the scientific rationale behind lectin-based antiviral strategies and explore how lectibodies could facilitate the development of new antiviral therapeutics. We will also share our perspective on the potential of these molecules to transcend their potential use as antiviral agents.
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Affiliation(s)
- Ian Carlosalberto Santisteban Celis
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY, USA; Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, University of Louisville School of Medicine, Louisville, KY, USA
| | - Nobuyuki Matoba
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY, USA; Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, University of Louisville School of Medicine, Louisville, KY, USA; UofL Health - Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY, USA.
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2
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Cao Y, Yi W, Zhu Q. Glycosylation in the tumor immune response: the bitter side of sweetness. Acta Biochim Biophys Sin (Shanghai) 2024. [PMID: 38946426 DOI: 10.3724/abbs.2024107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024] Open
Abstract
Glycosylation is the most structurally diverse form of post-translational modification (PTM) of proteins that affects a myriad of cellular processes. As a pivotal regulator of protein homeostasis, glycosylation notably impacts the function of proteins, spanning from protein localization and stability to protein-protein interactions. Aberrant glycosylation is a hallmark of cancer, and extensive studies have revealed the multifaceted roles of glycosylation in tumor growth, migration, invasion and immune escape Over the past decade, glycosylation has emerged as an immune regulator in the tumor microenvironment (TME). Here, we summarize the intricate interplay between glycosylation and the immune system documented in recent literature, which orchestrates the regulation of the tumor immune response through endogenous lectins, immune checkpoints and the extracellular matrix (ECM) in the TME. In addition, we discuss the latest progress in glycan-based cancer immunotherapy. This review provides a basic understanding of glycosylation in the tumor immune response and a theoretical framework for tumor immunotherapy.
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Shit P, Tetrault T, Zhang W, Yoon MK, Oliver AG, Serianni AS. Conformational disorder in the crystal structure of methyl 2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranoside (methyl β-chitobioside) methanol monosolvate. Acta Crystallogr C Struct Chem 2024; 80:331-336. [PMID: 38940368 DOI: 10.1107/s2053229624005199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Accepted: 05/31/2024] [Indexed: 06/29/2024] Open
Abstract
Methyl 2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranoside (methyl β-chitobioside), (IV), crystallizes from aqueous methanol at room temperature to give a structure (C17H30N2O22·CH3OH) containing conformational disorder in the exocyclic hydroxymethyl group of one of its βGlcNAc residues. As observed in other X-ray structures of disaccharides containing β-(1→4) O-glycosidic linkages, inter-residue hydrogen bonding between O3H of the βGlcNAc bearing the OCH3 aglycone and O5 of the adjacent βGlcNAc is observed based on the 2.79 Å internuclear distance between the O atoms. The structure of (IV) was compared to that determined previously for 2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranose (β-chitobiose), (III). The O-glycosidic linkage torsion angles, phi (φ) and psi (ψ), in (III) and (IV) differ by 6-8°. The N-acetyl side chain conformation in (III) and (IV) shows some context dependence, with the C1-C2-N-Ccar torsion angle 10-15° smaller for the βGlcNAc residue involved in the internal O-glycosidic linkage. In (IV), conformational disorder is observed in the exocyclic hydroxymethyl (-CH2OH) group in the βGlcNAc residue bearing the OCH3 aglycone, and a fitting of the electron density indicates an approximate 50:50 distribution of the gauche-gauche (gg) and gauche-trans (gt) conformers in the lattice. Similar behavior is not observed in (III), presumably due to the different packing structure in the vicinity of the -CH2OH substituent that affects its ability to hydrogen bond to proximal donors/acceptors. Unlike (IV), a re-examination of the previously reported electron density of (III) revealed conformational disorder in the N-acetyl side chain attached to the reducing-end βGlcNAc residue caused by rotation about the C2-N bond.
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Affiliation(s)
- Pradip Shit
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556-5670, USA
| | - Timothy Tetrault
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556-5670, USA
| | - Wenhui Zhang
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556-5670, USA
| | - Mi Kyung Yoon
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556-5670, USA
| | - Allen G Oliver
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556-5670, USA
| | - Anthony S Serianni
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556-5670, USA
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DeWinter MA, Wong DA, Fernandez R, Kightlinger W, Thames AH, DeLisa MP, Jewett MC. Establishing a Cell-Free Glycoprotein Synthesis System for Enzymatic N-GlcNAcylation. ACS Chem Biol 2024. [PMID: 38934647 DOI: 10.1021/acschembio.4c00228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
N-linked glycosylation plays a key role in the efficacy of many therapeutic proteins. One limitation to the bacterial glycoengineering of human N-linked glycans is the difficulty of installing a single N-acetylglucosamine (GlcNAc), the reducing end sugar of many human-type glycans, onto asparagine in a single step (N-GlcNAcylation). Here, we develop an in vitro method for N-GlcNAcylating proteins using the oligosaccharyltransferase PglB from Campylobacter jejuni. We use cell-free protein synthesis (CFPS) to test promiscuous PglB variants previously reported in the literature for the ability to produce N-GlcNAc and successfully determine that PglB with an N311V mutation (PglBN311V) exhibits increased GlcNAc transferase activity relative to the wild-type enzyme. We then improve the transfer efficiency by producing CFPS extracts enriched with PglBN311V and further optimize the reaction conditions, achieving a 98.6 ± 0.5% glycosylation efficiency. We anticipate this method will expand the glycoengineering toolbox for therapeutic research and biomanufacturing.
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Affiliation(s)
- Madison A DeWinter
- Medical Scientist Training Program, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois 60208, United States
- Center for Synthetic Biology, Northwestern University, Evanston, Illinois 60208, United States
| | - Derek A Wong
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois 60208, United States
- Center for Synthetic Biology, Northwestern University, Evanston, Illinois 60208, United States
| | - Regina Fernandez
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois 60208, United States
- Center for Synthetic Biology, Northwestern University, Evanston, Illinois 60208, United States
| | - Weston Kightlinger
- Cell-free Protein Synthesis and Microbial Process Development, National Resilience Inc.,, Oakland, California 94606, United States
| | - Ariel Helms Thames
- Medical Scientist Training Program, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois 60208, United States
- Center for Synthetic Biology, Northwestern University, Evanston, Illinois 60208, United States
- Division of Allergy and Immunology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, United States
| | - Matthew P DeLisa
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, United States
- Cornell Institute of Biotechnology, Cornell University, Ithaca, New York 14853, United States
| | - Michael C Jewett
- Department of Bioengineering, Stanford University, Stanford, California 94305, United States
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2021-2022. MASS SPECTROMETRY REVIEWS 2024. [PMID: 38925550 DOI: 10.1002/mas.21873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/05/2024] [Accepted: 02/12/2024] [Indexed: 06/28/2024]
Abstract
The use of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of carbohydrates and glycoconjugates is a well-established technique and this review is the 12th update of the original article published in 1999 and brings coverage of the literature to the end of 2022. As with previous review, this review also includes a few papers that describe methods appropriate to analysis by MALDI, such as sample preparation, even though the ionization method is not MALDI. The review follows the same format as previous reviews. It is divided into three sections: (1) general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, quantification and the use of computer software for structural identification. (2) Applications to various structural types such as oligo- and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals, and (3) other general areas such as medicine, industrial processes, natural products and glycan synthesis where MALDI is extensively used. Much of the material relating to applications is presented in tabular form. MALDI is still an ideal technique for carbohydrate analysis, particularly in its ability to produce single ions from each analyte and advancements in the technique and range of applications show little sign of diminishing.
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Wang Y, Liu Y, Liu S, Cheng L, Liu X. Recent advances in N-glycan biomarker discovery among human diseases. Acta Biochim Biophys Sin (Shanghai) 2024. [PMID: 38910518 DOI: 10.3724/abbs.2024101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024] Open
Abstract
N-glycans play important roles in a variety of biological processes. In recent years, analytical technologies with high resolution and sensitivity have advanced exponentially, enabling analysts to investigate N-glycomic changes in different states. Specific glycan and glycosylation signatures have been identified in multiple diseases, including cancer, autoimmune diseases, nervous system disorders, and metabolic and cardiovascular diseases. These glycans demonstrate comparable or superior indicating capability in disease diagnosis and prognosis over routine biomarkers. Moreover, synchronous glycan alterations concurrent with disease initiation and progression provide novel insights into pathogenetic mechanisms and potential treatment targets. This review elucidates the biological significance of N-glycans, compares the existing glycomic technologies, and delineates the clinical performance of N-glycans across a range of diseases.
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Affiliation(s)
- Yi Wang
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuanyuan Liu
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Si Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou 350122, China
| | - Liming Cheng
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xin Liu
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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Gisina A, Yarygin K, Lupatov A. The Impact of Glycosylation on the Functional Activity of CD133 and the Accuracy of Its Immunodetection. BIOLOGY 2024; 13:449. [PMID: 38927329 PMCID: PMC11200695 DOI: 10.3390/biology13060449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/01/2024] [Accepted: 06/09/2024] [Indexed: 06/28/2024]
Abstract
The membrane glycoprotein CD133 (prominin-1) is widely regarded as the main molecular marker of cancer stem cells, which are the most malignant cell subpopulation within the tumor, responsible for tumor growth and metastasis. For this reason, CD133 is considered a promising prognostic biomarker and molecular target for antitumor therapy. Under normal conditions, CD133 is present on the cell membrane in glycosylated form. However, in malignancies, altered glycosylation apparently leads to changes in the functional activity of CD133 and the availability of some of its epitopes for antibodies. This review focuses on CD133's glycosylation in human cells and its impact on the function of this glycoprotein. The association of CD133 with proliferation, differentiation, apoptosis, autophagy, epithelial-mesenchymal transition, the organization of plasma membrane protrusions and extracellular trafficking is discussed. In this review, particular attention is paid to the influence of CD133's glycosylation on its immunodetection. A list of commercially available and custom antibodies with their characteristics is provided. The available data indicate that the development of CD133-based biomedical technologies should include an assessment of CD133's glycosylation in each tumor type.
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Affiliation(s)
- Alisa Gisina
- Laboratory of Cell Biology, V. N. Orekhovich Institute of Biomedical Chemistry, 119121 Moscow, Russia
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Zhang XZ, Mo XC, Wang ZT, Sun R, Sun DQ. N-glycosylation of Wnt3 regulates the progression of hepatocellular carcinoma by affecting Wnt/β-catenin signal pathway. World J Gastrointest Oncol 2024; 16:2769-2780. [DOI: 10.4251/wjgo.v16.i6.2769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/25/2024] [Accepted: 04/28/2024] [Indexed: 06/13/2024] Open
Abstract
BACKGROUND Wnt/FZD-mediated signaling pathways are activated in more than 90% of hepatocellular carcinoma (HCC) cell lines. As a well-known secretory glycoprotein, Wnt3 can interact with FZD receptors on the cell surface, thereby activating the Wnt/β-catenin signaling pathway. However, the N-glycosylation modification site of Wnt3 and the effect of this modification on the biological function of the protein are still unclear.
AIM To investigate the effect of Wnt3 N-glycosylation on the biological function of HCC cells.
METHODS Site-directed mutagenesis was used to verify the Wnt3 N-glycosylation sites, actinomycin D treatment was used to detect the stability of Wnt3 after site-directed mutation, the binding of the N-glycosylation site-directed mutant Wnt3 to FZD7 was observed by laser confocal microscopy, and the effects of the N-glycosylation site-directed mutation of Wnt3 on the Wnt/β-catenin signaling pathway and the progression of HCC cells were detected by western blot and cell function experiments.
RESULTS Wnt3 has two N-glycosylation-modified sites (Asn90 and Asn301); when a single site at amino acid 301 is mutated, the stability of Wnt3 is weakened; the binding ability of Wnt3 to FZD7 decreases when both sites are mutated simultaneously; and the level of proteins related to the Wnt/β-catenin signaling pathway is downregulated. Cell proliferation, migration and invasion are also weakened in the case of single 301 site and double-site mutations.
CONCLUSION These results indicate that by inhibiting the N-glycosylation of Wnt3, the proliferation, migration, invasion and colony formation abilities of liver cancer cells can be weakened, which might provide new therapeutic strategies for clinical liver cancer in the future.
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Affiliation(s)
- Xin-Zhan Zhang
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Xiao-Chuan Mo
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Zhu-Ting Wang
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Rong Sun
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Da-Quan Sun
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
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Yuasa H, Morino N, Wagatsuma T, Munekane M, Ueda S, Matsunaga M, Uchida Y, Katayama T, Katoh T, Kambe T. ZNT5-6 and ZNT7 play an integral role in protein N-glycosylation by supplying Zn 2+ to Golgi α-mannosidase II. J Biol Chem 2024; 300:107378. [PMID: 38762179 PMCID: PMC11209640 DOI: 10.1016/j.jbc.2024.107378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/20/2024] [Accepted: 05/07/2024] [Indexed: 05/20/2024] Open
Abstract
The stepwise addition of monosaccharides to N-glycans attached to client proteins to generate a repertoire of mature proteins involves a concerted action of many glycosidases and glycosyltransferases. Here, we report that Golgi α-mannosidase II (GMII), a pivotal enzyme catalyzing the first step in the conversion of hybrid- to complex-type N-glycans, is activated by Zn2+ supplied by the early secretory compartment-resident ZNT5-ZNT6 heterodimers (ZNT5-6) and ZNT7 homodimers (ZNT7). Loss of ZNT5-6 and ZNT7 function results in marked accumulation of hybrid-type and complex/hybrid glycans with concomitant reduction of complex- and high-mannose-type glycans. In cells lacking the ZNT5-6 and ZNT7 functions, the GMII activity is substantially decreased. In contrast, the activity of its homolog, lysosomal mannosidase (LAMAN), is not decreased. Moreover, we show that the growth of pancreatic cancer MIA PaCa-2 cells lacking ZNT5-6 and ZNT7 is significantly decreased in a nude mouse xenograft model. Our results indicate the integral roles of ZNT5-6 and ZNT7 in N-glycosylation and highlight their potential as novel target proteins for cancer therapy.
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Affiliation(s)
- Hana Yuasa
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Naho Morino
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Takumi Wagatsuma
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Masayuki Munekane
- Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Sachiko Ueda
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Mayu Matsunaga
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Yasuo Uchida
- Department of Molecular Systems Pharmaceutics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima City, Japan
| | - Takane Katayama
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Toshihiko Katoh
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Taiho Kambe
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan.
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Kao MR, Karmarkar Saldivar R, Hsieh YSY. Production of therapeutic glycoproteins in glycoengineered plant: old farm for new crops. Curr Opin Biotechnol 2024; 87:103145. [PMID: 38781701 DOI: 10.1016/j.copbio.2024.103145] [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: 03/01/2024] [Revised: 04/28/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024]
Abstract
Plant-based expression systems have emerged as promising avenues for the production of recombinant N-linked glycoproteins. This review offers insights into the evolution and progress of plant glycoengineering. It delves into the distinctive features of plant-derived N-glycans, the diverse range of plant hosts employed for glycoprotein synthesis, and the advancements in glycoengineering strategies aimed at generating glycoproteins with N-glycan structures akin to those produced in mammalian cell lines. Furthermore, alternative strategies for augmenting glycoengineering efforts and the current spectrum of applications for plant-produced N-glycan recombinant proteins are examined, underscoring their potential significance in biopharmaceutical manufacturing.
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Affiliation(s)
- Mu-Rong Kao
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan; Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), AlbaNova University Centre, Stockholm, Sweden
| | - Rebecka Karmarkar Saldivar
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan; Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), AlbaNova University Centre, Stockholm, Sweden
| | - Yves S Y Hsieh
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan; Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), AlbaNova University Centre, Stockholm, Sweden.
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Sun H, Dong W, He G, Long Y, He Y, Chen Y, Lin S. Excessive level of dietary insect protein negatively changed growth metabolomic and transcriptomic profiles of largemouth bass ( Micropterus salmoides). ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 17:397-407. [PMID: 38812498 PMCID: PMC11134530 DOI: 10.1016/j.aninu.2024.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/23/2023] [Accepted: 03/18/2024] [Indexed: 05/31/2024]
Abstract
Hermetia illucens (HI) meal is a promising substitute for fish meal (FM) in the feeds of farmed fish. However, the impacts of dietary HI meal on largemouth bass (LMB) remain unknown. In this study, we formulated three isonitrogenous and isolipid diets with 0% (HI0, control), 20% (HI20) and 40% (HI40) of FM substituted by HI meal. A total of 270 juvenile largemouth bass with an initial body weight of 10.02 ± 0.03 g were used (30 fish per tank). After an 80-day feeding trial, the fish fed with the HI40 diet demonstrated decreased growth performance and protein efficiency ratio (PER), and increased liver oxidative indices and lipid accumulation compared to the control (P < 0.05). Transcriptomic analysis revealed the effects of high dietary HI meal on liver gene expression. Consistent with the reduced growth and disturbed liver oxidative status, the upregulated genes were enriched in the biological processes associated with protein catabolism and endoplasmic reticulum (ER) stress; while the downregulated genes were enriched in cellular proliferation, growth, metabolism, immunity and maintenance of tissue homeostasis. Differential metabolites in the liver samples were also identified by untargeted metabolomic assay. The results of joint transcriptomic-metabolomic analyses revealed that the pathways such as one carbon pool by folate, propanoate metabolism and alpha-linolenic acid metabolism were disturbed by high dietary HI meal. In summary, our data revealed the candidate genes, metabolites and biological pathways that account for the adverse effects of high HI meal diet on the growth and health of LMB.
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Affiliation(s)
- Hao Sun
- College of Fisheries, Southwest University, Chongqing, 400715, China
- College of Fisheries, Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Wenjing Dong
- College of Fisheries, Southwest University, Chongqing, 400715, China
- College of Fisheries, Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Guanglun He
- College of Fisheries, Southwest University, Chongqing, 400715, China
- College of Fisheries, Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Yong Long
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Yuanfa He
- College of Fisheries, Southwest University, Chongqing, 400715, China
- College of Fisheries, Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Yongjun Chen
- College of Fisheries, Southwest University, Chongqing, 400715, China
- College of Fisheries, Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Southwest University, Chongqing, 400715, China
| | - Shimei Lin
- College of Fisheries, Southwest University, Chongqing, 400715, China
- College of Fisheries, Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Southwest University, Chongqing, 400715, China
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Li X, Tang X, Xiang Y, Zhao Z, Li Y, Ding Q, Zhang L, Xu J, Zhao L, Chen Y. N-glycosylation of SCAP exacerbates hepatocellular inflammation and lipid accumulation via ACSS2-mediated histone H3K27 acetylation. Am J Physiol Gastrointest Liver Physiol 2024; 326:G697-G711. [PMID: 38591127 DOI: 10.1152/ajpgi.00273.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 03/11/2024] [Accepted: 03/25/2024] [Indexed: 04/10/2024]
Abstract
Sterol regulatory element binding protein (SREBP) cleavage-activating protein (SCAP) is a widely expressed membrane glycoprotein that acts as an important modulator of lipid metabolism and inflammatory stress. N-glycosylation of SCAP has been suggested to modulate cancer development, but its role in nonalcoholic steatohepatitis (NASH) is poorly understood. In this study, the N-glycosylation of SCAP was analyzed by using sequential trypsin proteolysis and glycosidase treatment. The liver cell lines expressing wild-type and N-glycosylation sites mutated SCAP were constructed to investigate the N-glycosylation role of SCAP in regulating inflammation and lipid accumulation as well as the underlying mechanisms. The hepatic SCAP protein levels were significantly increased in C57BL/6J mice fed with Western diet and sugar water (WD + SW) and diabetic db/db mice, which exhibited typical liver steatosis and inflammation accompanied with hyperglycemia. In vitro, the enhanced N-glycosylation by high glucose increased the protein stability of SCAP and hence increased its total protein levels, whereas the ablation of N-glycosylation significantly decreased SCAP protein stability and alleviated lipid accumulation and inflammation in hepatic cell lines. Mechanistically, SCAP N-glycosylation increased not only the SREBP-1-mediated acetyl-CoA synthetase 2 (ACSS2) transcription but also the AMPK-mediated S659 phosphorylation of ACCS2 protein, causing the enhanced ACSS2 levels in nucleus and hence increasing the histone H3K27 acetylation (H3K27ac), which is a key epigenetic modification associated with NASH. Modulating ACSS2 expression or its location in the nuclear abolished the effects of SCAP N-glycosylation on H3K27ac and lipid accumulation and inflammation. In conclusion, SCAP N-glycosylation aggravates inflammation and lipid accumulation through enhancing ACSS2-mediated H3K27ac in hepatocytes.NEW & NOTEWORTHY N-glycosylation of SCAP exacerbates inflammation and lipid accumulation in hepatocytes through ACSS2-mediated H3K27ac. Our data suggest that SCAP N-glycosylation plays a key role in regulating histone H3K27 acetylation and targeting SCAP N-glycosylation may be a new strategy for treating nonalcoholic steatohepatitis (NASH).
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Affiliation(s)
- Xuemei Li
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Xiaoqin Tang
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Yue Xiang
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Zhibo Zhao
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Yanping Li
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Qiuying Ding
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Linkun Zhang
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Jingyuan Xu
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Lei Zhao
- Centre for Lipid Research and Chongqing Key Laboratory of Metabolism on Lipid and Glucose, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
| | - Yao Chen
- Centre for Health Medicine, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
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13
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Sun Y, Wu T, Gu J. An emerging role of N-glycosylation in cancer chemoresistance. Carbohydr Res 2024; 539:109107. [PMID: 38613897 DOI: 10.1016/j.carres.2024.109107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/03/2024] [Accepted: 04/03/2024] [Indexed: 04/15/2024]
Abstract
Chemoresistance poses a significant obstacle in the effective treatment of cancer, limiting the success of chemotherapy regimens. N-glycosylation, the most important post-translational modification (PTM), plays multifaceted roles in the intricate landscape of cancer progression, particularly drug resistance in cancer cells. This review explores the complex relationship between N-glycosylation and chemoresistance in cancer. Altered glycosylation patterns have been proven to impact drug efflux mechanisms in cancer cells, which can further influence the intracellular concentration of chemotherapy drugs. Moreover, N-glycosylation also plays a regulatory role in cell signaling pathways and apoptosis regulators, continuously affecting the stemness and survival of cancer cells under the selective pressure of chemotherapy. Additionally, the impact of the tumor microenvironment on glycosylation patterns adds complexity to this interplay. This review discusses current research findings, challenges, and future directions based on the roles of N-glycosylation in cancer chemoresistance, emphasizing the potential for targeted therapeutic interventions to enhance the effectiveness of chemotherapy and improve patient outcomes.
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Affiliation(s)
- Yuhan Sun
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aobaku, Sendai, Miyagi, 981-8558, Japan.
| | - Tiangui Wu
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aobaku, Sendai, Miyagi, 981-8558, Japan
| | - Jianguo Gu
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aobaku, Sendai, Miyagi, 981-8558, Japan.
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14
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Zhang Y, Bailey TS, Hittmeyer P, Dubois LJ, Theys J, Lambin P. Multiplex genetic manipulations in Clostridium butyricum and Clostridium sporogenes to secrete recombinant antigen proteins for oral-spore vaccination. Microb Cell Fact 2024; 23:119. [PMID: 38659027 PMCID: PMC11040787 DOI: 10.1186/s12934-024-02389-y] [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: 02/13/2024] [Accepted: 04/11/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND Clostridium spp. has demonstrated therapeutic potential in cancer treatment through intravenous or intratumoral administration. This approach has expanded to include non-pathogenic clostridia for the treatment of various diseases, underscoring the innovative concept of oral-spore vaccination using clostridia. Recent advancements in the field of synthetic biology have significantly enhanced the development of Clostridium-based bio-therapeutics. These advancements are particularly notable in the areas of efficient protein overexpression and secretion, which are crucial for the feasibility of oral vaccination strategies. Here, we present two examples of genetically engineered Clostridium candidates: one as an oral cancer vaccine and the other as an antiviral oral vaccine against SARS-CoV-2. RESULTS Using five validated promoters and a signal peptide derived from Clostridium sporogenes, a series of full-length NY-ESO-1/CTAG1, a promising cancer vaccine candidate, expression vectors were constructed and transformed into C. sporogenes and Clostridium butyricum. Western blotting analysis confirmed efficient expression and secretion of NY-ESO-1 in clostridia, with specific promoters leading to enhanced detection signals. Additionally, the fusion of a reported bacterial adjuvant to NY-ESO-1 for improved immune recognition led to the cloning difficulties in E. coli. The use of an AUU start codon successfully mitigated potential toxicity issues in E. coli, enabling the secretion of recombinant proteins in C. sporogenes and C. butyricum. We further demonstrate the successful replacement of PyrE loci with high-expression cassettes carrying NY-ESO-1 and adjuvant-fused NY-ESO-1, achieving plasmid-free clostridia capable of secreting the antigens. Lastly, the study successfully extends its multiplex genetic manipulations to engineer clostridia for the secretion of SARS-CoV-2-related Spike_S1 antigens. CONCLUSIONS This study successfully demonstrated that C. butyricum and C. sporogenes can produce the two recombinant antigen proteins (NY-ESO-1 and SARS-CoV-2-related Spike_S1 antigens) through genetic manipulations, utilizing the AUU start codon. This approach overcomes challenges in cloning difficult proteins in E. coli. These findings underscore the feasibility of harnessing commensal clostridia for antigen protein secretion, emphasizing the applicability of non-canonical translation initiation across diverse species with broad implications for medical or industrial biotechnology.
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Affiliation(s)
- Yanchao Zhang
- The M-Lab, Department of Precision Medicine, GROW - Research Institute for Oncology and Reproduction, Maastricht University, Maastricht, 6229 ER, the Netherlands.
| | - Tom S Bailey
- The M-Lab, Department of Precision Medicine, GROW - Research Institute for Oncology and Reproduction, Maastricht University, Maastricht, 6229 ER, the Netherlands
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, 6229 ER, the Netherlands
| | - Philip Hittmeyer
- The M-Lab, Department of Precision Medicine, GROW - Research Institute for Oncology and Reproduction, Maastricht University, Maastricht, 6229 ER, the Netherlands
- LivingMed Biotech BV, Clos Chanmurly 13, Liège, 4000, Belgium
| | - Ludwig J Dubois
- The M-Lab, Department of Precision Medicine, GROW - Research Institute for Oncology and Reproduction, Maastricht University, Maastricht, 6229 ER, the Netherlands
| | - Jan Theys
- The M-Lab, Department of Precision Medicine, GROW - Research Institute for Oncology and Reproduction, Maastricht University, Maastricht, 6229 ER, the Netherlands
| | - Philippe Lambin
- The M-Lab, Department of Precision Medicine, GROW - Research Institute for Oncology and Reproduction, Maastricht University, Maastricht, 6229 ER, the Netherlands.
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15
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Miller ML, Pindwarawala M, Agosto MA. Complex N-glycosylation of mGluR6 is required for trans-synaptic interaction with ELFN adhesion proteins. J Biol Chem 2024; 300:107119. [PMID: 38428819 PMCID: PMC10973816 DOI: 10.1016/j.jbc.2024.107119] [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: 11/09/2023] [Revised: 01/30/2024] [Accepted: 02/16/2024] [Indexed: 03/03/2024] Open
Abstract
Synaptic transmission from retinal photoreceptors to downstream ON-type bipolar cells (BCs) depends on the postsynaptic metabotropic glutamate receptor mGluR6, located at the BC dendritic tips. Glutamate binding to mGluR6 initiates G-protein signaling that ultimately leads to BC depolarization in response to light. The mGluR6 receptor also engages in trans-synaptic interactions with presynaptic ELFN adhesion proteins. The roles of post-translational modifications in mGluR6 trafficking and function are unknown. Treatment with glycosidase enzymes PNGase F and Endo H demonstrated that both endogenous and heterologously expressed mGluR6 contain complex N-glycosylation acquired in the Golgi. Pull-down experiments with ELFN1 and ELFN2 extracellular domains revealed that these proteins interact exclusively with the complex glycosylated form of mGluR6. Mutation of the four predicted N-glycosylation sites, either singly or in combination, revealed that all four sites are glycosylated. Single mutations partially reduced, but did not abolish, surface expression in heterologous cells, while triple mutants had little or no surface expression, indicating that no single glycosylation site is necessary or sufficient for plasma membrane trafficking. Mutation at N445 severely impaired both ELFN1 and ELFN2 binding. All single mutants exhibited dendritic tip enrichment in rod BCs, as did the triple mutant with N445 as the sole N-glycosylation site, demonstrating that glycosylation at N445 is sufficient but not necessary for dendritic tip localization. The quadruple mutant was completely mislocalized. These results reveal a key role for complex N-glycosylation in regulating mGluR6 trafficking and ELFN binding, and by extension, function of the photoreceptor synapses.
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Affiliation(s)
- Michael L Miller
- Faculty of Science, Medical Sciences Program, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Mustansir Pindwarawala
- Faculty of Science, Medical Sciences Program, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Melina A Agosto
- Retina and Optic Nerve Research Laboratory, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Physiology and Biophysics, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Ophthalmology and Visual Sciences, Dalhousie University, Halifax, Nova Scotia, Canada.
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16
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Di Gregorio J, Di Giuseppe L, Terreri S, Rossi M, Battafarano G, Pagliarosi O, Flati V, Del Fattore A. Protein Stability Regulation in Osteosarcoma: The Ubiquitin-like Modifications and Glycosylation as Mediators of Tumor Growth and as Targets for Therapy. Cells 2024; 13:537. [PMID: 38534381 DOI: 10.3390/cells13060537] [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: 02/14/2024] [Revised: 03/11/2024] [Accepted: 03/16/2024] [Indexed: 03/28/2024] Open
Abstract
The identification of new therapeutic targets and the development of innovative therapeutic approaches are the most important challenges for osteosarcoma treatment. In fact, despite being relatively rare, recurrence and metastatic potential, particularly to the lungs, make osteosarcoma a deadly form of cancer. In fact, although current treatments, including surgery and chemotherapy, have improved survival rates, the disease's recurrence and metastasis are still unresolved complications. Insights for analyzing the still unclear molecular mechanisms of osteosarcoma development, and for finding new therapeutic targets, may arise from the study of post-translational protein modifications. Indeed, they can influence and alter protein structure, stability and function, and cellular interactions. Among all the post-translational modifications, ubiquitin-like modifications (ubiquitination, deubiquitination, SUMOylation, and NEDDylation), as well as glycosylation, are the most important for regulating protein stability, which is frequently altered in cancers including osteosarcoma. This review summarizes the relevance of ubiquitin-like modifications and glycosylation in osteosarcoma progression, providing an overview of protein stability regulation, as well as highlighting the molecular mediators of these processes in the context of osteosarcoma and their possible targeting for much-needed novel therapy.
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Affiliation(s)
- Jacopo Di Gregorio
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Laura Di Giuseppe
- Department of Clinical, Internal, Anaesthesiological and Cardiovascular Sciences, Sapienza University, 00185 Rome, Italy
| | - Sara Terreri
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Michela Rossi
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Giulia Battafarano
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Olivia Pagliarosi
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Vincenzo Flati
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Andrea Del Fattore
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
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17
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Liu Y, Li M, Lin M, Liu X, Guo H, Tan J, Hu L, Li J, Zhou Q. ALKBH1 promotes HIF-1α-mediated glycolysis by inhibiting N-glycosylation of LAMP2A. Cell Mol Life Sci 2024; 81:130. [PMID: 38472355 DOI: 10.1007/s00018-024-05152-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/25/2024] [Accepted: 02/01/2024] [Indexed: 03/14/2024]
Abstract
ALKBH1 is a typical demethylase of nucleic acids, which is correlated with multiple types of biological processes and human diseases. Recent studies are focused on the demethylation of ALKBH1, but little is known about its non-demethylase function. Here, we demonstrate that ALKBH1 regulates the glycolysis process through HIF-1α signaling in a demethylase-independent manner. We observed that depletion of ALKBH1 inhibits glycolysis flux and extracellular acidification, which is attributable to reduced HIF-1α protein levels, and it can be rescued by reintroducing HIF-1α. Mechanistically, ALKBH1 knockdown enhances chaperone-mediated autophagy (CMA)-mediated HIF-1α degradation by facilitating the interaction between HIF-1α and LAMP2A. Furthermore, we identify that ALKBH1 competitively binds to the OST48, resulting in compromised structural integrity of oligosaccharyltransferase (OST) complex and subsequent defective N-glycosylation of LAMPs, particularly LAMP2A. Abnormal glycosylation of LAMP2A disrupts lysosomal homeostasis and hinders the efficient degradation of HIF-1α through CMA. Moreover, NGI-1, a small-molecule inhibitor that selectively targets the OST complex, could inhibit the glycosylation of LAMPs caused by ALKBH1 silencing, leading to impaired CMA activity and disruption of lysosomal homeostasis. In conclusion, we have revealed a non-demethylation role of ALKBH1 in regulating N-glycosylation of LAMPs by interacting with OST subunits and CMA-mediated degradation of HIF-1α.
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Affiliation(s)
- Yanyan Liu
- Key Laboratory of Regenerative Medicine of Ministry of Education, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, Guangdong, China
- The College of Life Science and Technology, Jinan University, Guangzhou, 510632, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China
| | - Mengmeng Li
- The College of Life Science and Technology, Jinan University, Guangzhou, 510632, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China
| | - Miao Lin
- Key Laboratory of Regenerative Medicine of Ministry of Education, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China
| | - Xinjie Liu
- The College of Life Science and Technology, Jinan University, Guangzhou, 510632, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China
| | - Haolin Guo
- The College of Life Science and Technology, Jinan University, Guangzhou, 510632, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China
| | - Junyang Tan
- Key Laboratory of Regenerative Medicine of Ministry of Education, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China
| | - Liubing Hu
- Key Laboratory of Regenerative Medicine of Ministry of Education, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China
| | - Jianshuang Li
- The College of Life Science and Technology, Jinan University, Guangzhou, 510632, Guangdong, China.
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China.
| | - Qinghua Zhou
- Key Laboratory of Regenerative Medicine of Ministry of Education, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, Guangdong, China.
- The College of Life Science and Technology, Jinan University, Guangzhou, 510632, Guangdong, China.
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, Guangzhou, 510632, Guangdong, China.
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18
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Liao Z, Ji W, Yang C, Su J. TLR5M and TLR5S Synergistically Sense Flagellin in Early Endosome in Lamprey Petromyzon marinus, Switched by the N-Glycosylation Site N239. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:855-867. [PMID: 38231121 DOI: 10.4049/jimmunol.2300490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 12/28/2023] [Indexed: 01/18/2024]
Abstract
In mammals, TLR5 functions as a homodimer to recognize bacterial flagellin on the cytomembrane. The current investigations reveal the existence of two types of TLR5, a membrane-bound PmTLR5M, and a soluble variant PmTLR5S, in lamprey (Petromyzon marinus). Although both PmTLR5M and PmTLR5S can bind flagellin, only PmTLR5M is capable of eliciting a proinflammatory response, whereas PmTLR5S can detect the flagellin and facilitate the role of PmTLR5M in early endosomes. The trafficking chaperone UNC93B1 enhances the ligand-induced signaling via PmTLR5M or the combination of PmTLR5M and PmTLR5S. PmTLR5M recruits MyD88 as an adaptor. Furthermore, chimeric receptor studies demonstrate the indispensability of the intradomain of PmTLR5M in effective activation of the proinflammatory pathway upon flagellin stimulation, and the combination of PmTLR5S with a singular intradomain in both homodimer and heterodimer ectodomain arrangements can very significantly augment the immune response. Furthermore, the flagellin binding sites between PmTLR5M and PmTLR5S are conserved, which are essential for ligand binding and signal transduction. Moreover, investigations on N-linked glycosylation modifications reveal that the N239 site in PmTLR5M and PmTLR5S plays a switch role in both flagellin binding and immune responses. In addition, PmTLR5M exhibits the high-mannose-type and complex-type N-glycosylation modifications; however, PmTLR5S shows exclusive complex-type N-glycosylation modification. The key N239 site demonstrates complex-type N-glycosylation modification. The findings address the function and mechanism of TLR5 in ligand recognition, subcellular localization, and signaling pathway in lowest vertebrate and immune system transition species, highlight the regulatory role of N-glycosylation modification in TLRs, and augment immune evolutionary research on the TLR signaling pathway.
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Affiliation(s)
- Zhiwei Liao
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, China
| | - Wei Ji
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Chunrong Yang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Jianguo Su
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, China
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19
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Chu CW, Čaval T, Alisson-Silva F, Tankasala A, Guerrier C, Czerwieniec G, Läubli H, Schwarz F. Variable PD-1 glycosylation modulates the activity of immune checkpoint inhibitors. Life Sci Alliance 2024; 7:e202302368. [PMID: 38176728 PMCID: PMC10766783 DOI: 10.26508/lsa.202302368] [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: 09/12/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/06/2024] Open
Abstract
Monoclonal antibodies targeting the immune checkpoint PD-1 have provided significant clinical benefit across a number of solid tumors, with differences in efficacy and toxicity profiles possibly related to their intrinsic molecular properties. Here, we report that camrelizumab and cemiplimab engage PD-1 through interactions with its fucosylated glycan. Using a combination of protein and cell glycoengineering, we demonstrate that the two antibodies bind preferentially to PD-1 with core fucose at the asparagine N58 residue. We then provide evidence that the concentration of fucosylated PD-1 in the blood of non-small-cell lung cancer patients varies across different stages of disease. This study illustrates how glycoprofiling of surface receptors and related circulating forms can inform the development of differentiated antibodies that discriminate glycosylation variants and achieve enhanced selectivity, and paves the way toward the implementation of personalized therapeutic approaches.
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Affiliation(s)
- Chih-Wei Chu
- InterVenn Biosciences, South San Francisco, CA, USA
| | | | | | | | | | | | - Heinz Läubli
- University of Basel, Department of Biomedicine, and University Hospital Basel, Division of Oncology, Basel, Switzerland
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20
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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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21
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You Y, Yang Q. Glycosylation-related genes mediated prognostic signature contribute to prognostic prediction and treatment options in ovarian cancer: based on bulk and single‑cell RNA sequencing data. BMC Cancer 2024; 24:207. [PMID: 38355446 PMCID: PMC10865697 DOI: 10.1186/s12885-024-11908-4] [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: 10/11/2023] [Accepted: 01/22/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Ovarian cancer (OC) is a complex disease with significant tumor heterogeneity with the worst prognosis and highest mortality among all gynecological cancers. Glycosylation is a specific post-translational modification that plays an important role in tumor progression, immune escape and metastatic spread. The aim of this work was to identify the major glycosylation-related genes (GRGs) in OC and construct an effective GRGs signature to predict prognosis and immunotherapy. METHODS AUCell algorithm was used to identify glycosylation-related genes (GRGs) based on the scRNA-seq and bulk RNA-seq data. An effective GRGs signature was conducted using COX and LASSO regression algorithm. The texting dataset and clinical sample data were used to assessed the accuracy of GRGs signature. We evaluated the differences in immune cell infiltration, enrichment of immune checkpoints, immunotherapy response, and gene mutation status among different risk groups. Finally, RT-qPCR, Wound-healing assay, Transwell assay were performed to verify the effect of the CYBRD1 on OC. RESULTS A total of 1187 GRGs were obtained and a GRGs signature including 16 genes was established. The OC patients were divided into high- and low- risk group based on the median riskscore and the patients in high-risk group have poor outcome. We also found that the patients in low-risk group have higher immune cell infiltration, enrichment of immune checkpoints and immunotherapy response. The results of laboratory test showed that CYBRD1 can promote the invasion, and migration of OC and is closely related to the poor prognosis of OC patients. CONCLUSIONS Our study established a GRGs signature consisting of 16 genes based on the scRNA-seq and bulk RNA-seq data, which provides a new perspective on the prognosis prediction and treatment strategy for OC.
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Affiliation(s)
- Yue You
- Department of gynaecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qing Yang
- Department of gynaecology, Shengjing Hospital of China Medical University, Shenyang, China.
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22
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Atanasova D, Mirgorodskaya E, Moparthi L, Koch S, Haarhaus M, Narisawa S, Millán JL, Landberg E, Magnusson P. Glycoproteomic profile of human tissue-nonspecific alkaline phosphatase expressed in osteoblasts. JBMR Plus 2024; 8:ziae006. [PMID: 38505526 PMCID: PMC10945725 DOI: 10.1093/jbmrpl/ziae006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 03/21/2024] Open
Abstract
Tissue-nonspecific alkaline phosphatase (TNALP) is a glycoprotein expressed by osteoblasts that promotes bone mineralization. TNALP catalyzes the hydrolysis of the mineralization inhibitor inorganic pyrophosphate and ATP to provide inorganic phosphate, thus controlling the inorganic pyrophosphate/inorganic phosphate ratio to enable the growth of hydroxyapatite crystals. N-linked glycosylation of TNALP is essential for protein stability and enzymatic activity and is responsible for the presence of different bone isoforms of TNALP associated with functional and clinical differences. The site-specific glycosylation profiles of TNALP are, however, elusive. TNALP has 5 potential N-glycosylation sites located at the asparagine (N) residues 140, 230, 271, 303, and 430. The objective of this study was to reveal the presence and structure of site-specific glycosylation in TNALP expressed in osteoblasts. Calvarial osteoblasts derived from Alpl+/- expressing SV40 Large T antigen were transfected with soluble epitope-tagged human TNALP. Purified TNALP was analyzed with a lectin microarray, matrix-assisted laser desorption/ionization-time of flight mass spectrometry, and liquid chromatography with tandem mass spectrometry. The results showed that all sites (n = 5) were fully occupied predominantly with complex-type N-glycans. High abundance of galactosylated biantennary N-glycans with various degrees of sialylation was observed on all sites, as well as glycans with no terminal galactose and sialic acid. Furthermore, all sites had core fucosylation except site N271. Modelling of TNALP, with the protein structure prediction software ColabFold, showed possible steric hindrance by the adjacent side chain of W270, which could explain the absence of core fucosylation at N271. These novel findings provide evidence for N-linked glycosylation on all 5 sites of TNALP, as well as core fucosylation on 4 out of 5 sites. We anticipate that this new knowledge can aid in the development of functional and clinical assays specific for the TNALP bone isoforms.
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Affiliation(s)
- Diana Atanasova
- Department of Clinical Chemistry, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping SE-58185, Sweden
| | - Ekaterina Mirgorodskaya
- Proteomics Core Facility, Sahlgrenska Academy, University of Gothenburg, Gothenburg SE-41346, Sweden
| | - Lavanya Moparthi
- Wallenberg Centre for Molecular Medicine, Linköping University, Linköping SE-58185, Sweden
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping SE-58185, Sweden
| | - Stefan Koch
- Wallenberg Centre for Molecular Medicine, Linköping University, Linköping SE-58185, Sweden
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping SE-58185, Sweden
| | - Mathias Haarhaus
- Division of Renal Medicine, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm SE-14186, Sweden
| | - Sonoko Narisawa
- Sanford Children’s Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, United States
| | - José Luis Millán
- Sanford Children’s Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, United States
| | - Eva Landberg
- Department of Clinical Chemistry, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping SE-58185, Sweden
| | - Per Magnusson
- Department of Clinical Chemistry, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping SE-58185, Sweden
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23
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Yang T, Xiao H, Chen X, Zheng L, Guo H, Wang J, Jiang X, Zhang CY, Yang F, Ji X. Characterization of N-glycosylation and its functional role in SIDT1-Mediated RNA uptake. J Biol Chem 2024; 300:105654. [PMID: 38237680 PMCID: PMC10850970 DOI: 10.1016/j.jbc.2024.105654] [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: 11/17/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 02/08/2024] Open
Abstract
The mammalian SID-1 transmembrane family members, SIDT1 and SIDT2, are multipass transmembrane proteins that mediate the cellular uptake and intracellular trafficking of nucleic acids, playing important roles in the immune response and tumorigenesis. Previous work has suggested that human SIDT1 and SIDT2 are N-glycosylated, but the precise site-specific N-glycosylation information and its functional contribution remain unclear. In this study, we use high-resolution liquid chromatography tandem mass spectrometry to comprehensively map the N-glycosites and quantify the N-glycosylation profiles of SIDT1 and SIDT2. Further molecular mechanistic probing elucidates the essential role of N-linked glycans in regulating cell surface expression, RNA binding, protein stability, and RNA uptake of SIDT1. Our results provide crucial information about the potential functional impact of N-glycosylation in the regulation of SIDT1-mediated RNA uptake and provide insights into the molecular mechanisms of this promising nucleic acid delivery system with potential implications for therapeutic applications.
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Affiliation(s)
- Tingting Yang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Haonan Xiao
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Xiulan Chen
- Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China; University of Chinese Academy of Sciences, Beijing, China
| | - Le Zheng
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Hangtian Guo
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Jiaqi Wang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Xiaohong Jiang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Chen-Yu Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China; Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, Jiangsu, China.
| | - Fuquan Yang
- Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China; University of Chinese Academy of Sciences, Beijing, China.
| | - Xiaoyun Ji
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China; Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, Jiangsu, China; Institute of Artificial Intelligence Biomedicine, Nanjing University, Nanjing, Jiangsu, China; Engineering Research Center of Protein and Peptide Medicine, Ministry of Education, Nanjing, Jiangsu, China.
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24
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Zýka J, Prouza V, Habanová N, Pohl R, Parkan K. The synthesis and characterization of electron-poor glycosylamines and derived glycosylamides. Carbohydr Res 2024; 536:109023. [PMID: 38242070 DOI: 10.1016/j.carres.2024.109023] [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: 11/29/2023] [Revised: 12/26/2023] [Accepted: 01/04/2024] [Indexed: 01/21/2024]
Abstract
This paper describes a unified approach toward diglycosylamines using methanolic ammonia. All the glycosylamines prepared have been fully characterized, and their anomeric configuration has been determined. The article presents a novel method for the N-acylation of diglycosylamines and other electron-poor glycosylamines, which employs nitromethane as a solvent in carboxylic anhydride acylation under acidic conditions. The feasibility of this transformation is represented by a wide range of reaction substrates. All glycosylamides are formed solely with β-configuration. These two reactions constitute a simple and effective route to the synthesis of a novel class of compounds with an N-glycosidic linkage.
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Affiliation(s)
- Jakub Zýka
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Prague, Technická 5, 166 28, Prague, Czech Republic; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Nám. 2, 166 10, Prague, Czech Republic
| | - Vít Prouza
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Prague, Technická 5, 166 28, Prague, Czech Republic; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Nám. 2, 166 10, Prague, Czech Republic
| | - Nina Habanová
- Department of Analytical Chemistry, University of Chemistry and Technology, Prague, Technická 5, 166 28, Prague, Czech Republic; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Nám. 2, 166 10, Prague, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Nám. 2, 166 10, Prague, Czech Republic
| | - Kamil Parkan
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Prague, Technická 5, 166 28, Prague, Czech Republic; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Nám. 2, 166 10, Prague, Czech Republic.
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25
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Demicheva E, Dordiuk V, Polanco Espino F, Ushenin K, Aboushanab S, Shevyrin V, Buhler A, Mukhlynina E, Solovyova O, Danilova I, Kovaleva E. Advances in Mass Spectrometry-Based Blood Metabolomics Profiling for Non-Cancer Diseases: A Comprehensive Review. Metabolites 2024; 14:54. [PMID: 38248857 PMCID: PMC10820779 DOI: 10.3390/metabo14010054] [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: 12/07/2023] [Revised: 01/05/2024] [Accepted: 01/12/2024] [Indexed: 01/23/2024] Open
Abstract
Blood metabolomics profiling using mass spectrometry has emerged as a powerful approach for investigating non-cancer diseases and understanding their underlying metabolic alterations. Blood, as a readily accessible physiological fluid, contains a diverse repertoire of metabolites derived from various physiological systems. Mass spectrometry offers a universal and precise analytical platform for the comprehensive analysis of blood metabolites, encompassing proteins, lipids, peptides, glycans, and immunoglobulins. In this comprehensive review, we present an overview of the research landscape in mass spectrometry-based blood metabolomics profiling. While the field of metabolomics research is primarily focused on cancer, this review specifically highlights studies related to non-cancer diseases, aiming to bring attention to valuable research that often remains overshadowed. Employing natural language processing methods, we processed 507 articles to provide insights into the application of metabolomic studies for specific diseases and physiological systems. The review encompasses a wide range of non-cancer diseases, with emphasis on cardiovascular disease, reproductive disease, diabetes, inflammation, and immunodeficiency states. By analyzing blood samples, researchers gain valuable insights into the metabolic perturbations associated with these diseases, potentially leading to the identification of novel biomarkers and the development of personalized therapeutic approaches. Furthermore, we provide a comprehensive overview of various mass spectrometry approaches utilized in blood metabolomics research, including GC-MS, LC-MS, and others discussing their advantages and limitations. To enhance the scope, we propose including recent review articles supporting the applicability of GC×GC-MS for metabolomics-based studies. This addition will contribute to a more exhaustive understanding of the available analytical techniques. The Integration of mass spectrometry-based blood profiling into clinical practice holds promise for improving disease diagnosis, treatment monitoring, and patient outcomes. By unraveling the complex metabolic alterations associated with non-cancer diseases, researchers and healthcare professionals can pave the way for precision medicine and personalized therapeutic interventions. Continuous advancements in mass spectrometry technology and data analysis methods will further enhance the potential of blood metabolomics profiling in non-cancer diseases, facilitating its translation from the laboratory to routine clinical application.
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Affiliation(s)
- Ekaterina Demicheva
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
- Institute of Immunology and Physiology of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620049, Russia
| | - Vladislav Dordiuk
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
| | - Fernando Polanco Espino
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
| | - Konstantin Ushenin
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
- Autonomous Non-Profit Organization Artificial Intelligence Research Institute (AIRI), Moscow 105064, Russia
| | - Saied Aboushanab
- Institute of Chemical Engineering, Ural Federal University, Ekaterinburg 620002, Russia; (S.A.); (V.S.); (E.K.)
| | - Vadim Shevyrin
- Institute of Chemical Engineering, Ural Federal University, Ekaterinburg 620002, Russia; (S.A.); (V.S.); (E.K.)
| | - Aleksey Buhler
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
| | - Elena Mukhlynina
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
- Institute of Immunology and Physiology of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620049, Russia
| | - Olga Solovyova
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
- Institute of Immunology and Physiology of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620049, Russia
| | - Irina Danilova
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620075, Russia; (V.D.); (F.P.E.); (K.U.); (A.B.); (E.M.); (O.S.); (I.D.)
- Institute of Immunology and Physiology of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620049, Russia
| | - Elena Kovaleva
- Institute of Chemical Engineering, Ural Federal University, Ekaterinburg 620002, Russia; (S.A.); (V.S.); (E.K.)
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26
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Monson E, Cideciyan AV, Roman AJ, Sumaroka A, Swider M, Wu V, Viarbitskaya I, Jacobson SG, Fliesler SJ, Pittler SJ. Inherited Retinal Degeneration Caused by Dehydrodolichyl Diphosphate Synthase Mutation-Effect of an ALG6 Modifier Variant. Int J Mol Sci 2024; 25:1004. [PMID: 38256083 PMCID: PMC10816542 DOI: 10.3390/ijms25021004] [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: 12/11/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Modern advances in disease genetics have uncovered numerous modifier genes that play a role in the severity of disease expression. One such class of genetic conditions is known as inherited retinal degenerations (IRDs), a collection of retinal degenerative disorders caused by mutations in over 300 genes. A single missense mutation (K42E) in the gene encoding the enzyme dehydrodolichyl diphosphate synthase (DHDDS), which is required for protein N-glycosylation in all cells and tissues, causes DHDDS-IRD (retinitis pigmentosa type 59 (RP59; OMIM #613861)). Apart from a retinal phenotype, however, DHDDS-IRD is surprisingly non-syndromic (i.e., without any systemic manifestations). To explore disease pathology, we selected five glycosylation-related genes for analysis that are suggested to have disease modifier variants. These genes encode glycosyltransferases (ALG6, ALG8), an ER resident protein (DDOST), a high-mannose oligosaccharyl transferase (MPDU1), and a protein N-glycosylation regulatory protein (TNKS). DNA samples from 11 confirmed DHDDS (K42E)-IRD patients were sequenced at the site of each candidate genetic modifier. Quantitative measures of retinal structure and function were performed across five decades of life by evaluating foveal photoreceptor thickness, visual acuity, foveal sensitivity, macular and extramacular rod sensitivity, and kinetic visual field extent. The ALG6 variant, (F304S), was correlated with greater macular cone disease severity and less peripheral rod disease severity. Thus, modifier gene polymorphisms may account for a significant portion of phenotypic variation observed in human genetic disease. However, the consequences of the polymorphisms may be counterintuitively complex in terms of rod and cone populations affected in different regions of the retina.
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Affiliation(s)
- Elisha Monson
- Department of Optometry and Vision Science, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Artur V. Cideciyan
- Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (A.J.R.); (A.S.); (M.S.); (V.W.); (I.V.)
| | - Alejandro J. Roman
- Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (A.J.R.); (A.S.); (M.S.); (V.W.); (I.V.)
| | - Alexander Sumaroka
- Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (A.J.R.); (A.S.); (M.S.); (V.W.); (I.V.)
| | - Malgorzata Swider
- Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (A.J.R.); (A.S.); (M.S.); (V.W.); (I.V.)
| | - Vivian Wu
- Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (A.J.R.); (A.S.); (M.S.); (V.W.); (I.V.)
| | - Iryna Viarbitskaya
- Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (A.J.R.); (A.S.); (M.S.); (V.W.); (I.V.)
| | - Samuel G. Jacobson
- Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; (A.J.R.); (A.S.); (M.S.); (V.W.); (I.V.)
| | - Steven J. Fliesler
- Departments of Ophthalmology and Biochemistry, and Neuroscience Graduate Program, Jacobs School of Medicine and Biomedical Sciences, State University of New York—University at Buffalo, Buffalo, NY 14203, USA;
- Research Service, VA Western NY Healthcare System, Buffalo, NY 14215, USA
| | - Steven J. Pittler
- Department of Optometry and Vision Science, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Vision Science Research Center, School of Optometry, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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27
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Shrestha S, Wiener HW, Kajimoto H, Srinivasasainagendra V, Ledee D, Chowdhury S, Cui J, Chen JY, Beckley MA, Padilla LA, Dahdah N, Tiwari HK, Portman MA. Pharmacogenomics of intravenous immunoglobulin response in Kawasaki disease. Front Immunol 2024; 14:1287094. [PMID: 38259468 PMCID: PMC10800400 DOI: 10.3389/fimmu.2023.1287094] [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: 09/20/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Introduction Kawasaki disease (KD) is a diffuse vasculitis in children. Response to high dose intravenous gamma globulin (IVIG), the primary treatment, varies according to genetic background. We sought to identify genetic loci, which associate with treatment response using whole genome sequencing (WGS). Method We performed WGS in 472 KD patients with 305 IVIG responders and 167 non-responders defined by AHA clinical criteria. We conducted logistic regression models to test additive genetic effect in the entire cohort and in four subgroups defined by ancestry information markers (Whites, African Americans, Asians, and Hispanics). We performed functional mapping and annotation using FUMA to examine genetic variants that are potentially involved IVIG non-response. Further, we conducted SNP-set [Sequence] Kernel Association Test (SKAT) for all rare and common variants. Results Of the 43,288,336 SNPs (23,660,970 in intergenic regions, 16,764,594 in introns and 556,814 in the exons) identified, the top ten hits associated with IVIG non-response were in FANK1, MAP2K3:KCNJ12, CA10, FRG1DP, CWH43 regions. When analyzed separately in ancestry-based racial subgroups, SNPs in several novel genes were associated. A total of 23 possible causal genes were pinpointed by positional and chromatin mapping. SKAT analysis demonstrated association in the entire MANIA2, EDN1, SFMBT2, and PPP2R5E genes and segments of CSMD2, LINC01317, HIVEPI, HSP90AB1, and TTLL11 genes. Conclusions This WGS study identified multiple predominantly novel understudied genes associated with IVIG response. These data can serve to inform regarding pathogenesis of KD, as well as lay ground work for developing treatment response predictors.
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Affiliation(s)
- Sadeep Shrestha
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Howard W. Wiener
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Hidemi Kajimoto
- Division of Cardiology, Seattle Children’s and University of Washington Department of Pediatrics, Seattle, WA, United States
| | - Vinodh Srinivasasainagendra
- Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Dolena Ledee
- Division of Cardiology, Seattle Children’s and University of Washington Department of Pediatrics, Seattle, WA, United States
| | - Sabrina Chowdhury
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Jinhong Cui
- Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Jake Y. Chen
- Informatics Institute, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Mikayla A Beckley
- Division of Cardiology, Seattle Children’s and University of Washington Department of Pediatrics, Seattle, WA, United States
| | - Luz A. Padilla
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Nagib Dahdah
- CHU Ste-Justine, Universite de Montreal, Montreal, QC, Canada
| | - Hemant K. Tiwari
- Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Michael A. Portman
- Division of Cardiology, Seattle Children’s and University of Washington Department of Pediatrics, Seattle, WA, United States
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28
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Li H, Jiao W, Song J, Wang J, Chen G, Li D, Wang X, Bao B, Du X, Cheng Y, Yang C, Tong Q, Zheng L. circ-hnRNPU inhibits NONO-mediated c-Myc transactivation and mRNA stabilization essential for glycosylation and cancer progression. J Exp Clin Cancer Res 2023; 42:313. [PMID: 37993881 PMCID: PMC10666356 DOI: 10.1186/s13046-023-02898-5] [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: 07/28/2023] [Accepted: 11/12/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND Recent evidence reveals the emerging functions of circular RNA (circRNA) and protein glycosylation in cancer progression. However, the roles of circRNA in regulating glycosyltransferase expression in gastric cancer remain to be determined. METHODS Circular RNAs (circRNAs) were validated by Sanger sequencing. Co-immunoprecipitation, mass spectrometry, and RNA sequencing assays were applied to explore protein interaction and target genes. Gene expression regulation was observed by chromatin immunoprecipitation, RNA immunoprecipitation, dual-luciferase reporter, real-time quantitative RT-PCR, and western blot assays. Gain- and loss-of-function studies were performed to observe the impacts of circRNA and its partners on the glycosylation, growth, invasion, and metastasis of gastric cancer cells. RESULTS Circ-hnRNPU, an exonic circRNA derived from heterogenous nuclear ribonuclear protein U (hnRNPU), was identified to exert tumor suppressive roles in protein glycosylation and progression of gastric cancer. Mechanistically, circ-hnRNPU physically interacted with non-POU domain containing octamer binding (NONO) protein to induce its cytoplasmic retention, resulting in down-regulation of glycosyltransferases (GALNT2, GALNT6, MGAT1) and parental gene hnRNPU via repression of nuclear NONO-mediated c-Myc transactivation or cytoplasmic NONO-facilitated mRNA stability. Rescue studies indicated that circ-hnRNPU inhibited the N- and O-glycosylation, growth, invasion, and metastasis of gastric cancer cells via interacting with NONO protein. Pre-clinically, administration of lentivirus carrying circ-hnRNPU suppressed the protein glycosylation, tumorigenesis, and aggressiveness of gastric cancer xenografts. In clinical cases, low circ-hnRNPU levels and high NONO or c-Myc expression were associated with poor survival outcome of gastric cancer patients. CONCLUSIONS These findings indicate that circ-hnRNPU inhibits NONO-mediated c-Myc transactivation and mRNA stabilization essential for glycosylation and cancer progression.
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Affiliation(s)
- Hongjun Li
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Wanju Jiao
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Jiyu Song
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Jianqun Wang
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Guo Chen
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Dan Li
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Xiaojing Wang
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Banghe Bao
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Xinyi Du
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Yang Cheng
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Chunhui Yang
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China
| | - Qiangsong Tong
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China.
| | - Liduan Zheng
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, P. R. China.
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Li Y, Liu H, Liang T, Han W, Bo Z, Qiu T, Li J, Xu M, Wang W, Yang S, Gui C. Importance of N-Glycosylation for the Expression and Function of Human Organic Anion Transporting Polypeptide 2B1. ACS Pharmacol Transl Sci 2023; 6:1347-1356. [PMID: 37854627 PMCID: PMC10580385 DOI: 10.1021/acsptsci.3c00076] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Indexed: 10/20/2023]
Abstract
Human organic anion transporting polypeptide 2B1 (OATP2B1) is a membrane transporter widely expressed in organs crucial for drug absorption and disposition such as the intestine, liver, and kidney. Evidence indicates that OATP2B1 is a glycoprotein. However, the sites of glycosylation and their contribution to the function and expression of OATP2B1 are largely unknown. In this study, by site-directed mutagenesis, we determined that two of four potential N-glycosylation sites in OATP2B1, N176 and N538, are indeed glycosylated. Functional studies revealed that the transport activities of mutants N176Q and N538Q were greatly reduced as compared to that of wild-type OATP2B1. However, the reduced activity was not due to the impairment of transport function per se but due to the decreased surface expression as the Km and normalized Vmax values of N176Q and N538Q were comparable to those of OATP2B1. Quantitative polymerase chain reaction (PCR) revealed that N176Q and N538Q mutations did not affect the expression of OATP2B1 at a transcriptional level. Immunofluorescence analysis showed that deglycosylated OATP2B1 was largely retained in the endoplasmic reticulum, which may activate the endoplasmic reticulum-associated degradation pathway, and the ubiquitin-proteasome system played a major role in the degradation of OATP2B1. Taken together, OATP2B1 is N-glycosylated, and N-glycosylation is essential for the surface expression of OATP2B1 but not critical for the transport function of OATP2B1 per se.
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Affiliation(s)
| | | | | | - Wanjun Han
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
| | - Zheyue Bo
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
| | - Tian Qiu
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
| | - Jiawei Li
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
| | - Mingming Xu
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
| | - Weipeng Wang
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
| | - Shuang Yang
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
| | - Chunshan Gui
- College of Pharmaceutical
Sciences, Soochow University, 199 Renai Road, Suzhou Industrial
Park, Suzhou, Jiangsu 215123, People’s
Republic of China
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30
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Zhang L, Wang W, Yang Y, Liu X, Zhu W, Pi L, Liu X, Wang S. Spontaneous and site-specific immobilization of PNGase F via spy chemistry. RSC Adv 2023; 13:28493-28500. [PMID: 37771922 PMCID: PMC10523939 DOI: 10.1039/d3ra04591a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 09/14/2023] [Indexed: 09/30/2023] Open
Abstract
Protein N-glycosylation plays a critical role in a wide range of biological processes, and aberrant N-glycosylation is frequently associated with various pathological states. For global N-glycosylation analysis, N-glycans are typically released from glycoproteins mediated by endoglycosidases, primarily peptide N-glycosidase F (PNGase F). However, conventional N-glycan release by in-solution PNGase F is time-consuming and nonreusable. Although some immobilization methods can save time and reduce the enzyme dosage, including affinity interaction and covalent binding, the immobilized PNGase F by these traditional methods may compromises the immobilized enzyme's stability and biofunction. Therefore, a new approach is urgently needed to firmly and steadily immobilize PNGase F. To meet this demand, we have developed a spontaneous and site-specific way to immobilize PNGase F onto magnetic nanoparticles via Spy chemistry. The magnetic nanoparticles were synthesized and modified with SpyTag as a solid surface. The PNGase F fused with SpyCatcher can then be site-specifically and covalently immobilized onto this solid phase, forming a firm isopeptide bond via self-catalysis between the SpyTag peptide and SpyCatcher. Importantly, the immobilization process mediated by mild spy chemistry does not result in PNGase F inactivation; and allows immobilized PNGase F to rapidly release various types of glycans (high-mannose, sialylated, and hybrid) from glycoproteins. Moreover, the immobilized PNGase F exhibited good deglycosylation activity and facilitated good reusability in consecutive reactions. Deglycosylation of clinical samples was completed by the immobilized PNGase F as fast as several minutes.
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Affiliation(s)
- Liang Zhang
- Hubei Superior Discipline Group of Exercise and Brain Science from Hubei Provincial, Wuhan Sports University Wuhan 430079 China
| | - Wenhui Wang
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology Wuhan 430074 China +86-27-87792203
| | - Yueqin Yang
- Exercise Immunology Center, Wuhan Sports University Wuhan 430079 China
| | - Xiang Liu
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology Wuhan 430074 China +86-27-87792203
- Department of Laboratory Medicine, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan 430016 China
| | - Wenjie Zhu
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology Wuhan 430074 China +86-27-87792203
| | - Lingrui Pi
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology Wuhan 430074 China +86-27-87792203
| | - Xin Liu
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology Wuhan 430074 China +86-27-87792203
| | - Song Wang
- Hubei Superior Discipline Group of Exercise and Brain Science from Hubei Provincial, Wuhan Sports University Wuhan 430079 China
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31
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Fan Q, Li M, Zhao W, Zhang K, Li M, Li W. Hyper α2,6-Sialylation Promotes CD4 + T-Cell Activation and Induces the Occurrence of Ulcerative Colitis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302607. [PMID: 37424034 PMCID: PMC10502867 DOI: 10.1002/advs.202302607] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/23/2023] [Indexed: 07/11/2023]
Abstract
α2,6-sialylation, catalyzed by α2,6-sialyltransferase (ST6GAL1), plays a pivotal role in immune responses. However, the role of ST6GAL1 in the pathogenesis of ulcerative colitis (UC) remains unknown. ST6GAL1 mRNA is highly expressed in UC tissues compared with the corresponding adjacent normal tissues, and α2,6-sialylation is significantly increased in the colon tissues of patients with UC. The expression of ST6GAL1 and proinflammatory cytokines, such as interleukin (IL)-2, IL-6, IL-17, and interferon-gamma, is also increased. The number of CD4+ T cells increases in UC patients. St6gal1 gene knockout (St6gal1-/- ) rats are established by clustered regularly interspaced short palindromic repeats (CRISPR)-associated gene knockout system. St6gal1 deficiency reduces the levels of pro-inflammatory cytokines and alleviates colitis symptoms in UC model rats. Ablation of α2,6-sialylation inhibits the transport of the TCR to lipid rafts and suppresses CD4+ T-cell activation. The attenuation of TCR signaling downregulates the expression of NF-κB in ST6GAL1-/- CD4+ T-cells. Moreover, NF-κB could bind to the ST6GAL1 promoter to increase its transcription. Ablation of ST6GAL1 downregulates the expression of NF-κB and reduces the production of proinflammatory cytokines to relieve UC pathogenesis, which is a potential novel target for the clinical treatment of UC.
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Affiliation(s)
- Qingjie Fan
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular ImmunopathologyShantou University Medical CollegeShantouGuangdong515041China
- College of Basic Medical ScienceDalian Medical University9‐Western Section, Lvshun South RoadDalianLiaoning116044China
| | - Mechou Li
- College of Basic Medical ScienceDalian Medical University9‐Western Section, Lvshun South RoadDalianLiaoning116044China
| | - Weiwei Zhao
- College of Basic Medical ScienceDalian Medical University9‐Western Section, Lvshun South RoadDalianLiaoning116044China
| | - Kaixin Zhang
- College of Basic Medical ScienceDalian Medical University9‐Western Section, Lvshun South RoadDalianLiaoning116044China
| | - Ming Li
- College of Basic Medical ScienceDalian Medical University9‐Western Section, Lvshun South RoadDalianLiaoning116044China
| | - Wenzhe Li
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular ImmunopathologyShantou University Medical CollegeShantouGuangdong515041China
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32
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Liu Y, Hoppenbrouwers T, Wang Y, Xie Y, Wei X, Zhang H, Du G, Imam KMSU, Wichers H, Li Z, Bastiaan-Net S. Glycosylation Contributes to Thermostability and Proteolytic Resistance of rFIP-nha ( Nectria haematococca). Molecules 2023; 28:6386. [PMID: 37687215 PMCID: PMC10490071 DOI: 10.3390/molecules28176386] [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: 08/04/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Glycosylation is an important post-translational modification of proteins, contributing to protein function, stability and subcellular localization. Fungal immunomodulatory proteins (FIPs) are a group of small proteins with notable immunomodulatory activity, some of which are glycoproteins. In this study, the impact of glycosylation on the bioactivity and biochemical characteristics of FIP-nha (from Nectria haematococca) is described. Three rFIP-nha glycan mutants (N5A, N39A, N5+39A) were constructed and expressed in Pichia pastoris to study the functionality of the specific N-glycosylation on amino acid N5 and N39. Their protein characteristics, structure, stability and activity were tested. WT and mutants all formed tetramers, with no obvious difference in crystal structures. Their melting temperatures were 82.2 °C (WT), 81.4 °C (N5A), 80.7 °C (N39A) and 80.1 °C (N5+39A), indicating that glycosylation improves thermostability of rFIP-nha. Digestion assays showed that glycosylation on either site improved pepsin resistance, while 39N-glycosylation was important for trypsin resistance. Based on the 3D structure and analysis of enzyme cleavage sites, we conclude that glycosylation might interfere with hydrolysis via increasing steric hindrance. WT and mutants exerted similar bioactivity on tumor cell metabolism and red blood cells hemagglutination. Taken together, these findings indicate that glycosylation of FIP-nha impacts its thermostability and digestion resistance.
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Affiliation(s)
- Yusi Liu
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
- Wageningen Food and Biobased Research, Wageningen University and Research, 6708 WG Wageningen, The Netherlands; (T.H.); (H.W.)
- Laboratory of Food Chemistry, Wageningen University, 6708 WG Wageningen, The Netherlands
| | - Tamara Hoppenbrouwers
- Wageningen Food and Biobased Research, Wageningen University and Research, 6708 WG Wageningen, The Netherlands; (T.H.); (H.W.)
- Laboratory of Food Quality and Design, Wageningen University, 6708 WG Wageningen, The Netherlands
| | - Yulu Wang
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
| | - Yingying Xie
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
- Beijing SeekGene BioSciences Co., Ltd., Beijing 102206, China
| | - Xue Wei
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
| | - Haowen Zhang
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
| | - Guoming Du
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
| | - Khandader Md Sharif Uddin Imam
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
| | - Harry Wichers
- Wageningen Food and Biobased Research, Wageningen University and Research, 6708 WG Wageningen, The Netherlands; (T.H.); (H.W.)
- Laboratory of Food Chemistry, Wageningen University, 6708 WG Wageningen, The Netherlands
| | - Zhen Li
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agriculture Sciences, Beijing 100193, China; (Y.W.); (Y.X.); (X.W.); (H.Z.); (G.D.); (K.M.S.U.I.); (Z.L.)
| | - Shanna Bastiaan-Net
- Wageningen Food and Biobased Research, Wageningen University and Research, 6708 WG Wageningen, The Netherlands; (T.H.); (H.W.)
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Plazinski W, Angles d'Ortoli T, Widmalm G. Conformational flexibility of the disaccharide β-L-Fuc p-(1→4)-α-D-Glc p-OMe as deduced from NMR spectroscopy experiments and computer simulations. Org Biomol Chem 2023; 21:6979-6994. [PMID: 37584331 DOI: 10.1039/d3ob01153d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
Carbohydrates in biological systems are referred to as glycans and modification of their structures is a hallmark indicator of disease. Analysis of the three-dimensional structure forms the basis for further insight into how they function and comparison of crystal structure with solution-state conformation(s) is particularly relevant, which has been performed for the disaccharide β-L-Fucp-(1→4)-α-D-Glcp-OMe. In water solution the conformational space at the glycosidic linkage between the two sugar residues is identified from molecular dynamics (MD) simulations as having a low-energy exo-syn conformation, deviating somewhat from the solid-state conformation, and two anti-conformational states, i.e., anti-ϕ and anti-ψ, indicating flexibility at the glycosidic linkage. NMR data were obtained from 1D 1H,1H-NOESY and STEP-NOESY experiments, measurement of transglycosidic 3JCH coupling constants and NMR spin-simulation. The free energy profile of the ω torsion angle computed from MD simulation was in excellent agreement with the rotamer distribution from NMR experiment being for gt:gg:tg 38 : 53 : 9, respectively, with a proposed inter-residue O5'⋯HO6 hydrogen bond being predominant in the gg rotamer. Quantum mechanics methodology was used to calculate transglycosidic NMR 3JCH coupling constants, averaged over a conformational ensemble of structures representing various rotamers of exocyclic groups, in good to excellent agreement with Karplus-type relationships previously developed. Furthermore, 1H and 13C NMR chemical shifts were calculated using the same methodology and were found to be in excellent agreement with experimental data.
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Affiliation(s)
- Wojciech Plazinski
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Krakow, Poland
- Department of Biopharmacy, Medical University of Lublin, 20-093 Lublin, Poland
| | - Thibault Angles d'Ortoli
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden.
| | - Göran Widmalm
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden.
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Lee YR, Briggs MT, Kuliwaba JS, Jagiello J, Anderson PH, Hoffmann P. Complex-Type N-Glycans Are Associated with Cartilage Degeneration within Different Loading Sites of the Tibial Plateau for Knee Osteoarthritis Patients. J Proteome Res 2023; 22:2694-2702. [PMID: 37417588 DOI: 10.1021/acs.jproteome.3c00251] [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: 07/08/2023]
Abstract
Abnormal N-glycosylation has been shown to play an important role in the pathogenesis of multiple diseases. However, little is known about the relationship between N-glycosylation and knee osteoarthritis (KOA) progression at the tissue level. Thus, the aim of this study was to quantify the cartilage histomorphometric changes in formalin-fixed paraffin-embedded (FFPE) tissue collected from the lateral and medial compartments of the tibial plateau KOA patients (n = 8). Subsequently, N-glycans were analyzed by matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) followed by in situ MS/MS fragmentation. Overall, the Osteoarthritis Research Society International (OARSI) histological grade and cartilage surface fibrillation index were significantly higher, and chondrocyte size in the superficial zone was much larger, for the medial high-loaded cartilage compared to the lateral less-loaded cartilage. Among 92 putative N-glycans observed by MALDI-MSI, 3 complex-type N-glycans, (Hex)4(HexNAc)3, (Hex)4(HexNAc)4, and (Hex)5(HexNAc)4, and 1 oligomannose-type N-glycan, (Hex)9(HexNAc)2, were significantly higher in intensity in the medial cartilage compared to the lateral cartilage, whereas 2 tetra-antennary fucosylated-type N-glycans, (Hex)3(HexNAc)6(Fuc)2 and (Hex)3(HexNAc)6(Fuc)3, were significantly higher in intensity in the lateral cartilage than the medial cartilage. Our findings indicate that complex-type N-glycans are associated with higher severity of cartilage degeneration and may influence the cellular processes of KOA.
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Affiliation(s)
- Yea-Rin Lee
- Clinical and Health Sciences, Health and Biomedical Innovation, University of South Australia, Adelaide, SA 5000, Australia
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Matthew T Briggs
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Julia S Kuliwaba
- Discipline of Orthopaedics and Trauma, Adelaide Medical School, The University of Adelaide, Adelaide, SA 5000, Australia
| | - Jakub Jagiello
- Department of Orthopaedics and Trauma Surgery, Royal Adelaide Hospital, Adelaide, SA 5000, Australia
| | - Paul H Anderson
- Clinical and Health Sciences, Health and Biomedical Innovation, University of South Australia, Adelaide, SA 5000, Australia
| | - Peter Hoffmann
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
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35
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Guglielmi MV, Semeraro D, Mentino D, Mastrodonato M, Mastrototaro F, Scillitani G. Season- and sex-related variation in mucin secretions of the striped Venus clam, Chamelea gallina (Linnaeus, 1758) (Bivalvia: Veneridae). THE EUROPEAN ZOOLOGICAL JOURNAL 2023. [DOI: 10.1080/24750263.2023.2190343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023] Open
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36
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Feng X, BaiMaYangJin, Mo X, Zhang F, Hu W, Feng Z, Zhang T, Wei L, Lu H. IgG glycomic profiling identifies potential biomarkers for diagnosis of echinococcosis. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1227:123838. [PMID: 37540936 DOI: 10.1016/j.jchromb.2023.123838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 06/25/2023] [Accepted: 07/18/2023] [Indexed: 08/06/2023]
Abstract
Echinococcosis caused by larval stage of the genus Echinococcus, is a serious and potentially fatal parasitic zoonosis distributed globally. The two types of the disease in human are cystic echinococcosis (CE) and alveolar echinococcosis (AE). As the biological and encysting characteristics of the parasite, early diagnosis remains to address. In the present study, we demonstrate the value of Immunoglobulin G (IgG) glycome as a potential diagnostic biomarker for echinococcosis. Serum IgG glycome profiles were analyzed by ultra-performance liquid chromatography in a cohort comprised of 127 echinococcosis patients, of them 98 were diagnosed as CE and 29 as AE. IgG N-glycome analysis in pretreatment serum of echinococcosis patients presents 25 glycans and 64 derived traits. Compared with IgG glycans of healthy control group, neutral glycans, fucosylation and agalactosylated N-glycans increased while sialylation and galactosylation decreased in echinococcosis patients. Combined with a machine-learning-based approach, we built three biomarker combinations to distinguish CE, AE and healthy controls. Meanwhile, galactosylation, sialylation and A2BG2S1 in IgG glycan profiles were evidently associated with different types of CE (from CE1 to CE5). Our findings suggest that the alterations in IgG N-glycome may be of value in CE and AE diagnosis and follow-up CE disease progress. The role of IgG N-glycans as diagnostic biomarker remains to be verified in future study.
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Affiliation(s)
- Xiaoxiao Feng
- The Fifth People's Hospital of Shanghai, Institutes of Biomedical Sciences, Shanghai Cancer Center, Department of Chemistry & NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200032, People's Republic of China
| | - BaiMaYangJin
- National Health Commission Key Laboratory of Echinococcosis Prevention and Control, Xizang Center for Disease Control and Prevention, Lhasa 850000, Tibet Autonomous Region, People's Republic of China
| | - Xiaojin Mo
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai 200025, People's Republic of China
| | - Fangyan Zhang
- Waters Technologies, Pudong New District, Shanghai 201203, People's Republic of China
| | - Wei Hu
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai 200025, People's Republic of China
| | - Zheng Feng
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai 200025, People's Republic of China
| | - Ting Zhang
- National Health Commission Key Laboratory of Echinococcosis Prevention and Control, Xizang Center for Disease Control and Prevention, Lhasa 850000, Tibet Autonomous Region, People's Republic of China; National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai 200025, People's Republic of China.
| | - Liming Wei
- The Fifth People's Hospital of Shanghai, Institutes of Biomedical Sciences, Shanghai Cancer Center, Department of Chemistry & NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200032, People's Republic of China.
| | - Haojie Lu
- The Fifth People's Hospital of Shanghai, Institutes of Biomedical Sciences, Shanghai Cancer Center, Department of Chemistry & NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200032, People's Republic of China.
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37
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Wu Q, Li S, Zhang X, Dong N. Type II Transmembrane Serine Proteases as Modulators in Adipose Tissue Phenotype and Function. Biomedicines 2023; 11:1794. [PMID: 37509434 PMCID: PMC10376093 DOI: 10.3390/biomedicines11071794] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
Adipose tissue is a crucial organ in energy metabolism and thermoregulation. Adipose tissue phenotype is controlled by various signaling mechanisms under pathophysiological conditions. Type II transmembrane serine proteases (TTSPs) are a group of trypsin-like enzymes anchoring on the cell surface. These proteases act in diverse tissues to regulate physiological processes, such as food digestion, salt-water balance, iron metabolism, epithelial integrity, and auditory nerve development. More recently, several members of the TTSP family, namely, hepsin, matriptase-2, and corin, have been shown to play a role in regulating lipid metabolism, adipose tissue phenotype, and thermogenesis, via direct growth factor activation or indirect hormonal mechanisms. In mice, hepsin deficiency increases adipose browning and protects from high-fat diet-induced hyperglycemia, hyperlipidemia, and obesity. Similarly, matriptase-2 deficiency increases fat lipolysis and reduces obesity and hepatic steatosis in high-fat diet-fed mice. In contrast, corin deficiency increases white adipose weights and cell sizes, suppresses adipocyte browning and thermogenic responses, and causes cold intolerance in mice. These findings highlight an important role of TTSPs in modifying cellular phenotype and function in adipose tissue. In this review, we provide a brief description about TTSPs and discuss recent findings regarding the role of hepsin, matriptase-2, and corin in regulating adipose tissue phenotype, energy metabolism, and thermogenic responses.
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Affiliation(s)
- Qingyu Wu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou 215123, China
| | - Shuo Li
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Xianrui Zhang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou 215123, China
| | - Ningzheng Dong
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, State Key Laboratory of Radiation Medicine and Prevention, Soochow University, Suzhou 215123, China
- NHC Key Laboratory of Thrombosis and Hemostasis, Jiangsu Institute of Hematology, Soochow University, Suzhou 215006, China
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Sato K, Yumioka H, Isoyama J, Dohi K, Yamanaka A, Ohashi T, Misaki R, Fujiyama K. High accumulation of the Man 5GlcNAc 2 structure by combining N-acetylglucosaminyltransferase I gene suppression and mannosidase I gene overexpression in Nicotiana tabacum SR1. J Biosci Bioeng 2023:S1389-1723(23)00142-1. [PMID: 37311682 DOI: 10.1016/j.jbiosc.2023.05.009] [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: 02/19/2023] [Revised: 05/01/2023] [Accepted: 05/17/2023] [Indexed: 06/15/2023]
Abstract
High accumulation of a single high-mannose glycan structure is important to ensure the quality of therapeutic proteins. We developed a glyco-engineering strategy for ensuring high accumulation of the Man5GlcNAc2 structure by combining N-acetylglucosaminyltransferase I (GnT I) gene suppression and mannosidase I (Man I) gene overexpression. Nicotiana tabacum SR1 was used as the glyco-engineered host owing to the lower risk of pathogenic contamination than that in mammalian cells. We generated three glyco-engineered plant strains (gnt, gnt-MANA1, and gnt-MANA2) with suppression of GnT I or the combined suppression of GnT I and overexpression of Man I A1 or A2. The quantitative reverse transcriptase-PCR analysis showed a higher level of upregulation of Man I expression in gnt-MANA1/A2 plants than in the wild-type plants. Man I activity assay showed that the gnt-MANA1 plants had a higher Man I activity than did the wild-type and gnt-MANA2 plants. N-glycan analysis independently performed on two plants of each plant strain showed that gnt-MANA1 plants had a low abundance of the Man6-9GlcNAc2 structure (2.8%, 7.1%) and high abundance of the Man5GlcNAc2 structure (80.0%, 82.8%) compared with those in the wild-type and gnt plants. These results indicated that GnT I knockdown suppressed further modification of the Man5GlcNAc2 structure, and Man I overexpression enhanced the conversion of Man6-9GlcNAc2 structures to the Man5GlcNAc2 structure. The developed glyco-engineered plants have potential for serving as novel expression hosts for therapeutic proteins.
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Affiliation(s)
- Keigo Sato
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Hitomi Yumioka
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Junko Isoyama
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Koji Dohi
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Akihiro Yamanaka
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Takao Ohashi
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Ryo Misaki
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Kazuhito Fujiyama
- International Center for Biotechnology, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan.
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Zhong Q, Xiao X, Qiu Y, Xu Z, Chen C, Chong B, Zhao X, Hai S, Li S, An Z, Dai L. Protein posttranslational modifications in health and diseases: Functions, regulatory mechanisms, and therapeutic implications. MedComm (Beijing) 2023; 4:e261. [PMID: 37143582 PMCID: PMC10152985 DOI: 10.1002/mco2.261] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 03/26/2023] [Accepted: 03/27/2023] [Indexed: 05/06/2023] Open
Abstract
Protein posttranslational modifications (PTMs) refer to the breaking or generation of covalent bonds on the backbones or amino acid side chains of proteins and expand the diversity of proteins, which provides the basis for the emergence of organismal complexity. To date, more than 650 types of protein modifications, such as the most well-known phosphorylation, ubiquitination, glycosylation, methylation, SUMOylation, short-chain and long-chain acylation modifications, redox modifications, and irreversible modifications, have been described, and the inventory is still increasing. By changing the protein conformation, localization, activity, stability, charges, and interactions with other biomolecules, PTMs ultimately alter the phenotypes and biological processes of cells. The homeostasis of protein modifications is important to human health. Abnormal PTMs may cause changes in protein properties and loss of protein functions, which are closely related to the occurrence and development of various diseases. In this review, we systematically introduce the characteristics, regulatory mechanisms, and functions of various PTMs in health and diseases. In addition, the therapeutic prospects in various diseases by targeting PTMs and associated regulatory enzymes are also summarized. This work will deepen the understanding of protein modifications in health and diseases and promote the discovery of diagnostic and prognostic markers and drug targets for diseases.
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Affiliation(s)
- Qian Zhong
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Xina Xiao
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Yijie Qiu
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Zhiqiang Xu
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Chunyu Chen
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Baochen Chong
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Xinjun Zhao
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Shan Hai
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Shuangqing Li
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Zhenmei An
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
| | - Lunzhi Dai
- Department of Endocrinology and MetabolismGeneral Practice Ward/International Medical Center WardGeneral Practice Medical Center and National Clinical Research Center for GeriatricsState Key Laboratory of BiotherapyWest China Hospital, Sichuan UniversityChengduChina
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Xiao X, Shi J, He C, Bu X, Sun Y, Gao M, Xiang B, Xiong W, Dai P, Mao Q, Xing X, Yao Y, Yu H, Xu G, Li S, Ren Y, Chen B, Jiang C, Meng G, Lee YR, Wei W, Freeman GJ, Xie C, Zhang J. ERK and USP5 govern PD-1 homeostasis via deubiquitination to modulate tumor immunotherapy. Nat Commun 2023; 14:2859. [PMID: 37208329 DOI: 10.1038/s41467-023-38605-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 05/10/2023] [Indexed: 05/21/2023] Open
Abstract
The programmed cell death protein 1 (PD-1) is an inhibitory receptor on T cells and plays an important role in promoting cancer immune evasion. While ubiquitin E3 ligases regulating PD-1 stability have been reported, deubiquitinases governing PD-1 homeostasis to modulate tumor immunotherapy remain unknown. Here, we identify the ubiquitin-specific protease 5 (USP5) as a bona fide deubiquitinase for PD-1. Mechanistically, USP5 interacts with PD-1, leading to deubiquitination and stabilization of PD-1. Moreover, extracellular signal-regulated kinase (ERK) phosphorylates PD-1 at Thr234 and promotes PD-1 interaction with USP5. Conditional knockout of Usp5 in T cells increases the production of effector cytokines and retards tumor growth in mice. USP5 inhibition in combination with Trametinib or anti-CTLA-4 has an additive effect on suppressing tumor growth in mice. Together, this study describes a molecular mechanism of ERK/USP5-mediated regulation of PD-1 and identifies potential combinatorial therapeutic strategies for enhancing anti-tumor efficacy.
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Affiliation(s)
- Xiangling Xiao
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Jie Shi
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Chuan He
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Xia Bu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - Yishuang Sun
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Minling Gao
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Bolin Xiang
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Wenjun Xiong
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Panpan Dai
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Qi Mao
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Xixin Xing
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Yingmeng Yao
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Haisheng Yu
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Gaoshan Xu
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Siqi Li
- Department of Biology, University of Copenhagen, Copenhagen, 2100, Denmark
| | - Yan Ren
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Baoxiang Chen
- Department of Colorectal and Anal Surgery, Low Rectal Cancer Diagnosis and Treatment Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Congqing Jiang
- Department of Colorectal and Anal Surgery, Low Rectal Cancer Diagnosis and Treatment Center, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Geng Meng
- College of Veterinary Medicine, China Agricultural University, Beijing, 100094, China
| | - Yu-Ru Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 115201, Taiwan
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02115, USA
| | - Gordon J Freeman
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - Conghua Xie
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China.
| | - Jinfang Zhang
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University; Medical Research Institute, Frontier Science Center of Immunology and Metabolism, Wuhan University, Wuhan, 430071, China.
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China.
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Si F, Song S, Yu R, Li Z, Wei W, Wu C. Coronavirus accessory protein ORF3 biology and its contribution to viral behavior and pathogenesis. iScience 2023; 26:106280. [PMID: 36945252 PMCID: PMC9972675 DOI: 10.1016/j.isci.2023.106280] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
Abstract
Coronavirus porcine epidemic diarrhea virus (PEDV) is classified in the genus Alphacoronavirus, family Coronaviridae that encodes the only accessory protein, ORF3 protein. However, how ORF3 contributes to viral pathogenicity, adaptability, and replication is obscure. In this review, we summarize current knowledge and identify gaps in many aspects of ORF3 protein in PEDV, with emphasis on its unique biological features, including membrane topology, Golgi retention mechanism, potential intrinsic disordered property, functional motifs, protein glycosylation, and codon usage phenotypes related to genetic evolution and gene expression. In addition, we propose intriguing questions related to ORF3 protein that we hope to stimulate further studies and encourage collaboration among virologists worldwide to provide constructive knowledge about the unique characteristics and biological functions of ORF3 protein, by which their potential role in clarifying viral behavior and pathogenesis can be possible.
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Affiliation(s)
- Fusheng Si
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Shanghai Engineering Research Center of Breeding Pig, Shanghai 201106, P.R. China
| | - Shuai Song
- Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture of Rural Affairs, and Key Laboratory of Animal Disease Prevention of Guangdong Province, Guangzhou 510640, P.R. China
| | - Ruisong Yu
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Shanghai Engineering Research Center of Breeding Pig, Shanghai 201106, P.R. China
| | - Zhen Li
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Shanghai Engineering Research Center of Breeding Pig, Shanghai 201106, P.R. China
| | - Wenqiang Wei
- Department of Microbiology, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Chao Wu
- Department of Pathology and Immunology, Washington University in St. Louis, St. Louis, MO 63110, USA
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Zhang L, Wang W, Yang Y, Zhu W, Li P, Wang S, Liu X. Site-specific, covalent immobilization of PNGase F on magnetic particles mediated by microbial transglutaminase. Anal Chim Acta 2023; 1250:340972. [PMID: 36898812 DOI: 10.1016/j.aca.2023.340972] [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: 10/30/2022] [Revised: 02/06/2023] [Accepted: 02/12/2023] [Indexed: 02/16/2023]
Abstract
In the workflow of global N-glycosylation analysis, endoglycosidase-mediated removal of glycans from glycoproteins is an essential and rate-limiting step. Peptide-N-glycosidase F (PNGase F) is the most appropriate and efficient endoglycosidase for the removal of N-glycans from glycoproteins prior to analysis. Due to the high demand for PNGase F in both basic and industrial research, convenient and efficient methods are urgently needed to generate PNGase F, preferably in the immobilized form to solid phases. However, there is no integrated approach to implement both efficient expression, and site-specific immobilization of PNGase F. Herein, efficient production of PNGase F with a glutamine tag in Escherichia coli and site-specific covalent immobilization of PNGase F with this special tag via microbial transglutaminase (MTG) is described. PNGase F was fused with a glutamine tag to facilitate the co-expression of proteins in the supernatant. The glutamine tag was covalently and site-specifically transformed to primary amine-containing magnetic particles, mediated by MTG, to immobilize PNGase F. Immobilized PNGase F could deglycosylate substrates with identical enzymatic performance to that of the soluble counterpart, and exhibit good reusability and thermal stability. Moreover, the immobilized PNGase F could also be applied to clinical samples, including serum and saliva.
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Affiliation(s)
- Liang Zhang
- Hubei Superior Discipline Group of Exercise and Brain Science from Hubei Provincial, Wuhan Sports University, Wuhan, 430079, China
| | - Wenhui Wang
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yueqin Yang
- Exercise Immunology Center, Wuhan Sports University, Wuhan, 430079, China
| | - Wenjie Zhu
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Pengjie Li
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Song Wang
- Hubei Superior Discipline Group of Exercise and Brain Science from Hubei Provincial, Wuhan Sports University, Wuhan, 430079, China.
| | - Xin Liu
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
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Harada K, Sho R, Takakura H, Yokoyama E, Koyama R, Yamamoto Y, Adachi N, Tanaka S, Hide I, Sakai N. S-Palmitoylation of the serotonin transporter promotes its cell surface expression and serotonin uptake. Biochem Biophys Res Commun 2023; 662:58-65. [PMID: 37099811 DOI: 10.1016/j.bbrc.2023.04.028] [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: 03/11/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/28/2023]
Abstract
The neurotransmitter serotonin (5-HT) is transported back into serotonergic neurons by the serotonin transporter (SERT). SERT is a main target of antidepressants, and much effort has therefore focused on finding relationships between SERT and depression. However, it is not fully understood how SERT is regulated at the cellular level. Here, we report post-translational regulation of SERT by S-palmitoylation, in which palmitate is covalently attached to cysteine residues of proteins. Using AD293 cells (a human embryonic kidney 293-derived cell line with improved cell adherence) transiently transfected with FLAG-tagged human SERT, we observed S-palmitoylation of immature SERT containing high-mannose type N-glycans or no N-glycan, which is presumed to be localized in the early secretory pathway, such as the endoplasmic reticulum. Mutational analysis by alanine substitutions shows that S-palmitoylation of immature SERT occurs at least at Cys-147 and Cys-155, juxtamembrane cysteine residues within the first intracellular loop. Furthermore, mutation of Cys-147 reduced cellular uptake of a fluorescent SERT substrate that mimics 5-HT without decreasing SERT on the cell surface. On the other hand, combined mutation of Cys-147 and Cys-155 inhibited SERT surface expression and reduced the uptake of the 5-HT mimic. Thus, S-palmitoylation of Cys-147 and Cys-155 is important for both the cell surface expression and 5-HT uptake capacity of SERT. Given the importance of S-palmitoylation in brain homeostasis, further investigation of SERT S-palmitoylation could provide new insights into the treatment of depression.
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Affiliation(s)
- Kana Harada
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.
| | - Ryoma Sho
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Hiromiki Takakura
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Eri Yokoyama
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Reika Koyama
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Yuka Yamamoto
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Naoko Adachi
- Laboratory of Molecular Pharmacology, Biosignal Research Center, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan
| | - Shigeru Tanaka
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Izumi Hide
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Norio Sakai
- Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.
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Fang WB, Medrano M, Cote P, Portsche M, Rao V, Hong Y, Behbod F, Knapp JR, Bloomer C, Noel-Macdonnell J, Cheng N. Transcriptome analysis reveals differences in cell cycle, growth and migration related genes that distinguish fibroblasts derived from pre-invasive and invasive breast cancer. Front Oncol 2023; 13:1130911. [PMID: 37091166 PMCID: PMC10118028 DOI: 10.3389/fonc.2023.1130911] [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: 12/23/2022] [Accepted: 03/13/2023] [Indexed: 04/09/2023] Open
Abstract
Background/Introduction As the most common form of pre-invasive breast cancer, ductal carcinoma in situ (DCIS) affects over 50,000 women in the US annually. Despite standardized treatment involving lumpectomy and radiation therapy, up to 25% of patients with DCIS experience disease recurrence often with invasive ductal carcinoma (IDC), indicating that a subset of patients may be under-treated. As most DCIS cases will not progress to invasion, many patients may experience over-treatment. By understanding the underlying processes associated with DCIS to IDC progression, we can identify new biomarkers to determine which DCIS cases may become invasive and improve treatment for patients. Accumulation of fibroblasts in IDC is associated with disease progression and reduced survival. While fibroblasts have been detected in DCIS, little is understood about their role in DCIS progression. Goals We sought to determine 1) whether DCIS fibroblasts were similar or distinct from normal and IDC fibroblasts at the transcriptome level, and 2) the contributions of DCIS fibroblasts to breast cancer progression. Methods Fibroblasts underwent transcriptome profiling and pathway analysis. Significant DCIS fibroblast-associated genes were further analyzed in existing breast cancer mRNA databases and through tissue array immunostaining. Using the sub-renal capsule graft model, fibroblasts from normal breast, DCIS and IDC tissues were co-transplanted with DCIS.com breast cancer cells. Results Through transcriptome profiling, we found that DCIS fibroblasts were characterized by unique alterations in cell cycle and motility related genes such as PKMYT1, TGF-α, SFRP1 and SFRP2, which predicted increased cell growth and invasion by Ingenuity Pathway Analysis. Immunostaining analysis revealed corresponding increases in expression of stromal derived PKMYT1, TGF-α and corresponding decreases in expression of SFRP1 and SFRP2 in DCIS and IDC tissues. Grafting studies in mice revealed that DCIS fibroblasts enhanced breast cancer growth and invasion associated with arginase-1+ cell recruitment. Conclusion DCIS fibroblasts are phenotypically distinct from normal breast and IDC fibroblasts, and play an important role in breast cancer growth, invasion, and recruitment of myeloid cells. These studies provide novel insight into the role of DCIS fibroblasts in breast cancer progression and identify some key biomarkers associated with DCIS progression to IDC, with important clinical implications.
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Affiliation(s)
- Wei Bin Fang
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Marcela Medrano
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Paige Cote
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Mike Portsche
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Vinamratha Rao
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Yan Hong
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Fariba Behbod
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Jennifer R. Knapp
- Center for Genes Environment and Health, National Jewish Health, Denver, CO, United States
- Kansas Intellectual and Developmental Disabilities Research Center, University of Kansas Medical Center, Kansas City, KS, United States
| | - Clark Bloomer
- Kansas Intellectual and Developmental Disabilities Research Center, University of Kansas Medical Center, Kansas City, KS, United States
| | - Janelle Noel-Macdonnell
- Biostatistics and Epidemiology Core, Health Services and Outcomes Research Children’s Mercy Hospital, Kansas City, MO, United States
- Department of Pediatrics, University of Missouri-Kansas City (UMKC) School of Medicine, Kansas City, MO, United States
| | - Nikki Cheng
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, United States
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45
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Zukowska D, Gedaj A, Porebska N, Pozniak M, Krzyscik M, Czyrek A, Krowarsch D, Zakrzewska M, Otlewski J, Opalinski L. Receptor clustering by a precise set of extracellular galectins initiates FGFR signaling. Cell Mol Life Sci 2023; 80:113. [PMID: 37012400 PMCID: PMC10070233 DOI: 10.1007/s00018-023-04768-x] [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: 01/19/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/05/2023]
Abstract
FGF/FGFR signaling is critical for the development and homeostasis of the human body and imbalanced FGF/FGFR contributes to the progression of severe diseases, including cancers. FGFRs are N-glycosylated, but the role of these modifications is largely unknown. Galectins are extracellular carbohydrate-binding proteins implicated in a plethora of processes in heathy and malignant cells. Here, we identified a precise set of galectins (galectin-1, -3, -7, and -8) that directly interact with N-glycans of FGFRs. We demonstrated that galectins bind N-glycan chains of the membrane-proximal D3 domain of FGFR1 and trigger differential clustering of FGFR1, resulting in activation of the receptor and initiation of downstream signaling cascades. Using engineered galectins with controlled valency, we provide evidence that N-glycosylation-dependent clustering of FGFR1 constitutes a mechanism for FGFR1 stimulation by galectins. We revealed that the consequences of galectin/FGFR signaling for cell physiology are markedly different from the effects induced by canonical FGF/FGFR units, with galectin/FGFR signaling affecting cell viability and metabolic activity. Furthermore, we showed that galectins are capable of activating an FGFR pool inaccessible for FGF1, enhancing the amplitude of transduced signals. Summarizing, our data identify a novel mechanism of FGFR activation, in which the information stored in the N-glycans of FGFRs provides previously unanticipated information about FGFRs' spatial distribution, which is differentially deciphered by distinct multivalent galectins, affecting signal transmission and cell fate.
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Affiliation(s)
- Dominika Zukowska
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Aleksandra Gedaj
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Natalia Porebska
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Marta Pozniak
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Mateusz Krzyscik
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Aleksandra Czyrek
- Department of Protein Biotechnology, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Daniel Krowarsch
- Department of Protein Biotechnology, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Malgorzata Zakrzewska
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Jacek Otlewski
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Lukasz Opalinski
- Department of Protein Engineering, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383, Wrocław, Poland.
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Strauss P, Nuti F, Quagliata M, Papini AM, Hurevich M. Accelerated solid-phase synthesis of glycopeptides containing multiple N-glycosylated sites. Org Biomol Chem 2023; 21:1674-1679. [PMID: 36385318 DOI: 10.1039/d2ob01886a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Peptide fragments of glycoproteins containing multiple N-glycosylated sites are essential biochemical tools not only to investigate protein-protein interactions but also to develop glycopeptide-based diagnostics and immunotherapy. However, solid-phase synthesis of glycopeptides containing multiple N-glycosylated sites is hampered by difficult couplings, which results in a substantial drop in yield. To increase the final yield, large amounts of reagents but also time-consuming steps are required. Therefore, we propose herein to utilize heating and stirring in combination with low-loading solid supports to set up an accelerated route to obtain, by an efficient High-Temperature Fast Stirring Peptide Synthesis (HTFS-PS), glycopeptides containing multiple N-glycosylated sites using equimolar excess of the precious glycosylated building blocks.
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Affiliation(s)
- Poriah Strauss
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram, Jerusalem, 91904, Israel.
| | - Francesca Nuti
- Interdepartmental Research Unit of Peptide and Protein Chemistry and Biology, Department of Chemistry "Ugo Schiff", University of Florence, 50019 Sesto Fiorentino, Italy.
| | - Michael Quagliata
- Interdepartmental Research Unit of Peptide and Protein Chemistry and Biology, Department of Chemistry "Ugo Schiff", University of Florence, 50019 Sesto Fiorentino, Italy.
| | - Anna Maria Papini
- Interdepartmental Research Unit of Peptide and Protein Chemistry and Biology, Department of Chemistry "Ugo Schiff", University of Florence, 50019 Sesto Fiorentino, Italy.
| | - Mattan Hurevich
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram, Jerusalem, 91904, Israel.
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47
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Visconti A, Rossi N, Deriš H, Lee KA, Hanić M, Trbojević-Akmačić I, Thomas AM, Bolte LA, Björk JR, Hooiveld-Noeken JS, Board R, Harland M, Newton-Bishop J, Harries M, Sacco JJ, Lorigan P, Shaw HM, de Vries EGE, Fehrmann RSN, Weersma RK, Spector TD, Nathan P, Hospers GAP, Sasieni P, Bataille V, Lauc G, Falchi M. Total serum N-glycans associate with response to immune checkpoint inhibition therapy and survival in patients with advanced melanoma. BMC Cancer 2023; 23:166. [PMID: 36805683 PMCID: PMC9938582 DOI: 10.1186/s12885-023-10511-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 01/04/2023] [Indexed: 02/20/2023] Open
Abstract
BACKGROUND Immune checkpoint inhibitors (ICIs) have revolutionized the treatment of melanoma and other cancers. However, no reliable biomarker of survival or response has entered the clinic to identify those patients with melanoma who are most likely to benefit from ICIs. Glycosylation affects proteins and lipids' structure and functions. Tumours are characterized by aberrant glycosylation which may contribute to their progression and hinder an effective antitumour immune response. METHODS We aim at identifying novel glyco-markers of response and survival by leveraging the N-glycome of total serum proteins collected in 88 ICI-naive patients with advanced melanoma from two European countries. Samples were collected before and during ICI treatment. RESULTS We observe that responders to ICIs present with a pre-treatment N-glycome profile significantly shifted towards higher abundancy of low-branched structures containing lower abundances of antennary fucose, and that this profile is positively associated with survival and a better predictor of response than clinical variables alone. CONCLUSION While changes in serum protein glycosylation have been previously implicated in a pro-metastatic melanoma behaviour, we show here that they are also associated with response to ICI, opening new avenues for the stratification of patients and the design of adjunct therapies aiming at improving immune response.
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Affiliation(s)
- Alessia Visconti
- Department of Twins Research & Genetics Epidemiology, King's College London, London, UK
| | - Niccolò Rossi
- Department of Twins Research & Genetics Epidemiology, King's College London, London, UK
| | - Helena Deriš
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Karla A Lee
- Department of Twins Research & Genetics Epidemiology, King's College London, London, UK
| | - Maja Hanić
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | | | | | - Laura A Bolte
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center, Groningen, The Netherlands
| | - Johannes R Björk
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center, Groningen, The Netherlands
| | | | - Ruth Board
- Department of Oncology, Lancashire Teaching Hospitals NHS Trust, Chorley, UK
| | - Mark Harland
- Division of Haematology and Immunology, Institute of Medical Research at St. James', University of Leeds, Leeds, UK
| | - Julia Newton-Bishop
- Division of Haematology and Immunology, Institute of Medical Research at St. James', University of Leeds, Leeds, UK
| | - Mark Harries
- Department of Medical Oncology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Joseph J Sacco
- Liverpool Clatterbridge Cancer Centre, Liverpool, UK
- Department of Molecular and Clinical Cancer Medicine, University of Liverpool, Liverpool, UK
| | - Paul Lorigan
- The Christie NHS Foundation Trust, Manchester, UK
| | - Heather M Shaw
- Department of Medical Oncology, Mount Vernon Cancer Centre, Northwood, UK
| | - Elisabeth G E de Vries
- Department of Medical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - Rudolf S N Fehrmann
- Department of Medical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - Rinse K Weersma
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center, Groningen, The Netherlands
| | - Tim D Spector
- Department of Twins Research & Genetics Epidemiology, King's College London, London, UK
| | - Paul Nathan
- Department of Medical Oncology, Mount Vernon Cancer Centre, Northwood, UK
| | - Geke A P Hospers
- Department of Medical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - Peter Sasieni
- School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - Veronique Bataille
- Department of Twins Research & Genetics Epidemiology, King's College London, London, UK.
- Department of Dermatology, Mount Vernon Cancer Centre, Northwood, UK.
- Department of Dermatology, West Herts NHS Trust, Herts, UK.
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Mario Falchi
- Department of Twins Research & Genetics Epidemiology, King's College London, London, UK.
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48
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Gkoliou G, Agathangelidis A, Karakatsoulis G, Lalayanni C, Papalexandri A, Medina A, Genuardi E, Chlichlia K, Hatjiharissi E, Papaioannou M, Terpos E, Jimenez C, Sakellari I, Ferrero S, Ladetto M, Sanz RG, Belessi C, Stamatopoulos K. Differences in the immunoglobulin gene repertoires of IgG versus IgA multiple myeloma allude to distinct immunopathogenetic trajectories. Front Oncol 2023; 13:1123029. [PMID: 36845709 PMCID: PMC9945080 DOI: 10.3389/fonc.2023.1123029] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 01/24/2023] [Indexed: 02/11/2023] Open
Abstract
The analysis of the immunogenetic background of multiple myeloma (MM) has proven key to understanding disease ontogeny. However, limited information is available regarding the immunoglobulin (IG) gene repertoire in MM cases carrying different heavy chain isotypes. Here, we studied the IG gene repertoire in a series of 523 MM patients, of whom 165 and 358 belonged to the IgA and IgG MM groups, respectively. IGHV3 subgroup genes predominated in both groups. However, at the individual gene level, significant (p<0.05) differences were identified regarding IGHV3-21 (frequent in IgG MM) and IGHV5-51 (frequent in IgA MM). Moreover, biased pairings were identified between certain IGHV genes and IGHD genes in IgA versus IgG MM. Turning to the imprints of somatic hypermutation (SHM), the bulk of rearrangements (IgA: 90.9%, IgG: 87.4%) were heavily mutated [exhibiting an IGHV germline identity (GI) <95%]. SHM topology analysis disclosed distinct patterns in IgA MM versus IgG MM cases expressing B cell receptor IG encoded by the same IGHV gene: the most pronounced examples concerned the IGHV3-23, IGHV3-30 and IGHV3-9 genes. Furthermore, differential SHM targeting was also identified between IgA MM versus IgG MM, particularly in cases utilizing certain IGHV genes, alluding to functional selection. Altogether, our detailed immunogenetic evaluation in the largest to-date series of IgA and IgG MM patients reveals certain distinct features in the IGH gene repertoires and SHM. These findings suggest distinct immune trajectories for IgA versus IgG MM, further underlining the role of external drive in the natural history of MM.
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Affiliation(s)
- Glykeria Gkoliou
- Institute of Applied Biosciences, Centre for Research and Technology Hellas, Thessaloniki, Greece,Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupoli, Greece
| | - Andreas Agathangelidis
- Department of Biology, School of Science, National and Kapodistrian University of Athens, Athens, Greece,*Correspondence: Andreas Agathangelidis,
| | - Georgos Karakatsoulis
- Institute of Applied Biosciences, Centre for Research and Technology Hellas, Thessaloniki, Greece,Department of Mathematics, School of Sciences, University of Ioannina, Ioannina, Greece
| | - Chrysavgi Lalayanni
- Hematology Department and HCT Unit, G. Papanikolaou Hospital, Thessaloniki, Greece
| | | | - Alejandro Medina
- Hematology Department, University Hospital of Salamanca, Salamanca, Spain
| | - Elisa Genuardi
- Department of Molecular Biotechnologies and Health Sciences, Hematology Division, University of Turin, Turin, Italy
| | - Katerina Chlichlia
- Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupoli, Greece
| | - Evdoxia Hatjiharissi
- First Department of Internal Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Maria Papaioannou
- First Department of Internal Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Evangelos Terpos
- Department of Clinical Therapeutics, National and Kapodistrian University of Athens, Athens, Greece
| | - Cristina Jimenez
- Hematology Department, University Hospital of Salamanca, Salamanca, Spain
| | - Ioanna Sakellari
- Hematology Department and HCT Unit, G. Papanikolaou Hospital, Thessaloniki, Greece
| | - Simone Ferrero
- Department of Molecular Biotechnologies and Health Sciences, Hematology Division, University of Turin, Turin, Italy
| | - Marco Ladetto
- Department of Molecular Biotechnologies and Health Sciences, Hematology Division, University of Turin, Turin, Italy
| | - Ramon Garcia Sanz
- Hematology Department, University Hospital of Salamanca, Salamanca, Spain
| | | | - Kostas Stamatopoulos
- Institute of Applied Biosciences, Centre for Research and Technology Hellas, Thessaloniki, Greece,Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden
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49
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Beihammer G, Romero-Pérez A, Maresch D, Figl R, Mócsai R, Grünwald-Gruber C, Altmann F, Van Damme EJM, Strasser R. Pseudomonas syringae DC3000 infection increases glucosylated N-glycans in Arabidopsis thaliana. Glycoconj J 2023; 40:97-108. [PMID: 36269466 PMCID: PMC9925501 DOI: 10.1007/s10719-022-10084-6] [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: 06/28/2022] [Revised: 09/26/2022] [Accepted: 09/29/2022] [Indexed: 11/04/2022]
Abstract
Studying the interaction between the hemibiotrophic bacterium Pseudomonas syringae pv. tomato DC3000 and Arabidopsis thaliana has shed light onto the various forms of mechanisms plants use to defend themselves against pathogen attack. While a lot of emphasis has been put on investigating changes in protein expression in infected plants, only little information is available on the effect infection plays on the plants N-glycan composition. To close this gap in knowledge, total N-glycans were enriched from P. syringae DC3000-infected and mock treated Arabidopsis seedlings and analyzed via MALDI-TOF-MS. Additionally, fluorescently labelled N-glycans were quantified via HPLC-FLD. N-glycans from infected plants were overall less processed and displayed increased amounts of oligomannosidic N-glycans. As multiple peaks for certain oligomannosidic glycoforms were detected upon separation via liquid chromatography, a porous graphitic carbon (PGC)-analysis was conducted to separate individual N-glycan isomers. Indeed, multiple different N-glycan isomers with masses of two N-acetylhexosamine residues plus 8, 9 or 10 hexoses were detected in the infected plants which were absent in the mock controls. Treatment with jack bean α-mannosidase resulted in incomplete removal of hexoses from these N-glycans, indicating the presence of glucose residues. This hints at the accumulation of misfolded glycoproteins in the infected plants, likely because of endoplasmic reticulum (ER) stress. In addition, poly-hexose structures susceptible to α-amylase treatment were found in the DC3000-infected plants, indicating alterations in starch metabolism due to the infection process.
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Affiliation(s)
- Gernot Beihammer
- Institute of Plant Biotechnology and Cell Biology, Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Andrea Romero-Pérez
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Ghent University, Ghent, Belgium
| | - Daniel Maresch
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Rudolf Figl
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Réka Mócsai
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Clemens Grünwald-Gruber
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
- Core Facility Mass Spectrometry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Friedrich Altmann
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Els J M Van Damme
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Ghent University, Ghent, Belgium
| | - Richard Strasser
- Institute of Plant Biotechnology and Cell Biology, Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria.
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50
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The Blessed Union of Glycobiology and Immunology: A Marriage That Worked. MEDICINES (BASEL, SWITZERLAND) 2023; 10:medicines10020015. [PMID: 36827215 PMCID: PMC9967969 DOI: 10.3390/medicines10020015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/03/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023]
Abstract
In this article, we discuss the main aspects regarding the recognition of cell surface glycoconjugates and the immunomodulation of responses against the progression of certain pathologies, such as cancer and infectious diseases. In the first part, we talk about different aspects of glycoconjugates and delve deeper into the importance of N-glycans in cancer immunotherapy. Then, we describe two important lectin families that have been very well studied in the last 20 years. Examples include the sialic acid-binding immunoglobulin (Ig)-like lectins (siglecs), and galectins. Finally, we discuss a topic that needs to be better addressed in the field of glycoimmunology: the impact of oncofetal antigens on the cells of the immune system. New findings in this area are of great importance for advancement, especially in the field of oncology, since it is already known that cellular interactions mediated by carbohydrate-carbohydrate and/or carbohydrate proteins are able to modulate the progression of different types of cancer in events that compromise the functionality of the immune responses.
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