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Zhu Q, Geng D, Li J, Zhang J, Sun H, Fan Z, He J, Hao N, Tian Y, Wen L, Li T, Qin W, Chu X, Wang Y, Yi W. A Computational and Chemical Design Strategy for Manipulating Glycan-Protein Recognition. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308522. [PMID: 38582526 PMCID: PMC11199974 DOI: 10.1002/advs.202308522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 03/23/2024] [Indexed: 04/08/2024]
Abstract
Glycans are complex biomolecules that encode rich information and regulate various biological processes, such as fertilization, host-pathogen binding, and immune recognition, through interactions with glycan-binding proteins. A key driving force for glycan-protein recognition is the interaction between the π electron density of aromatic amino acid side chains and polarized C─H groups of the pyranose (termed the CH-π interaction). However, the relatively weak binding affinity between glycans and proteins has hindered the application of glycan detection and imaging. Here, computational modeling and molecular dynamics simulations are employed to design a chemical strategy that enhances the CH-π interaction between glycans and proteins by genetically incorporating electron-rich tryptophan derivatives into a lectin PhoSL, which specifically recognizes core fucosylated N-linked glycans. This significantly enhances the binding affinity of PhoSL with the core fucose ligand and enables sensitive detection and imaging of core fucosylated glycans in vitro and in xenograft tumors in mice. Further, the study showed that this strategy is applicable to improve the binding affinity of GafD lectin for N-acetylglucosamine-containing glycans. The approach thus provides a general and effective way to manipulate glycan-protein recognition for glycoscience applications.
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Affiliation(s)
- Qiang Zhu
- Departments of Biochemistry & BiophysicsCollege of Life SciencesZhejiang UniversityHangzhou310012China
| | - Didi Geng
- Departments of Biochemistry & BiophysicsCollege of Life SciencesZhejiang UniversityHangzhou310012China
| | - Jingchao Li
- Departments of Biochemistry & BiophysicsCollege of Life SciencesZhejiang UniversityHangzhou310012China
| | - Jinqiu Zhang
- Departments of Biochemistry & BiophysicsCollege of Life SciencesZhejiang UniversityHangzhou310012China
| | - Haofan Sun
- National Center for Protein Sciences BeijingState Key Laboratory of ProteomicsBeijing Proteome Research CenterBeijing Institute of LifeomicsBeijing100026China
| | - Zhiya Fan
- National Center for Protein Sciences BeijingState Key Laboratory of ProteomicsBeijing Proteome Research CenterBeijing Institute of LifeomicsBeijing100026China
| | - Jiahui He
- Departments of Biochemistry & BiophysicsCollege of Life SciencesZhejiang UniversityHangzhou310012China
| | - Ninghui Hao
- The Provincial International Science and Technology Cooperation Base on Engineering BiologyShanghai Institute for Advanced StudyInstitute of Quantitative BiologyInternational Campus of Zhejiang UniversityHaining314499China
| | - Yinping Tian
- Carbohydrate‐Based Drug Research CenterShanghai Institute of Materia MedicaChinese Academy of SciencesShanghai201203China
| | - Liuqing Wen
- Carbohydrate‐Based Drug Research CenterShanghai Institute of Materia MedicaChinese Academy of SciencesShanghai201203China
| | - Tiehai Li
- Carbohydrate‐Based Drug Research CenterShanghai Institute of Materia MedicaChinese Academy of SciencesShanghai201203China
| | - Weijie Qin
- National Center for Protein Sciences BeijingState Key Laboratory of ProteomicsBeijing Proteome Research CenterBeijing Institute of LifeomicsBeijing100026China
| | - Xiakun Chu
- Advanced Materials ThrustFunction HubThe Hong Kong University of Science and TechnologyGuangzhou511400China
| | - Yong Wang
- Departments of Biochemistry & BiophysicsCollege of Life SciencesZhejiang UniversityHangzhou310012China
- The Provincial International Science and Technology Cooperation Base on Engineering BiologyShanghai Institute for Advanced StudyInstitute of Quantitative BiologyInternational Campus of Zhejiang UniversityHaining314499China
| | - Wen Yi
- Departments of Biochemistry & BiophysicsCollege of Life SciencesZhejiang UniversityHangzhou310012China
- Cancer CentreZhejiang UniversityHangzhou310012China
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McPhail MN, Wu M, Tague K, Wajeeh H, Demory Beckler M, Kesselman MM. A Scoping Review of the Positive and Negative Bacteria Associated With the Gut Microbiomes of Systemic Lupus Erythematosus Patients. Cureus 2024; 16:e57512. [PMID: 38707123 PMCID: PMC11067397 DOI: 10.7759/cureus.57512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/03/2024] [Indexed: 05/07/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that affects multiple systems of the body. Recent research on the gut microbiota dysbiosis associated with SLE patients has gained traction and warranted further exploration. It has not been determined whether the change in the gut microbiota is a cause of SLE or a symptom of SLE. However, based on the physiological and pathophysiological role of the bacteria in the gut microbiome, as levels of the bacteria rise or fall, symptomatology in SLE patients could be affected. This review analyzes the recent studies that examined the changes in the gut microbiota of SLE patients and highlights the correlations between gut dysbiosis and the clinical manifestations of SLE. A systematic search strategy was developed by combining the terms "SLE," "systemic lupus erythematosus," and "gut microbiome." Biomedical Reference Collection, CINAHL, Medline ProQuest, and PubMed Central databases were searched by combining the appropriate keywords with "AND." Only full-text, English-language articles were searched. The articles were restricted from 2013 to 2023. Only peer-reviewed controlled studies with both human and animal trials were included in this scoping review. Review articles, non-English articles, editorials, case studies, and duplicate articles from the four databases were excluded. Various species of bacteria were found to be positively or negatively associated with SLE gut microbiomes. Among the bacterial species increased were Clostridium, Lactobacilli, Streptococcus, Enterobacter, and Klebsiella. The bacterial species that decreased were Bifidobacteria, Prevotella, and the Firmicutes/Bacteroidetes ratio. Literature shows that Clostridium is one of several bacteria found in abundance, from pre-disease to the diseased state of SLE. Lachnospiraceae and Ruminococcaceae are both part of the family of butyrate-producing anaerobes that are known for their role in strengthening the skin barrier function and, therefore, may explain the cutaneous manifestations of SLE patients. Studies have also shown that the Firmicutes/Bacteroidetes ratio is significantly depressed, which may lead to appetite changes and weight loss seen in SLE patients. Based on the established role of these bacteria within the gut microbiome, the disruption in the gut ecosystem could explain the symptomatology common in SLE patients. By addressing these changes, our scoping review encourages further research to establish a true causal relationship between the bacterial changes in SLE patients as well as furthering the scope of microbiota changes in other systems and autoimmune diseases.
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Affiliation(s)
- Marissa N McPhail
- Osteopathic Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Michael Wu
- Osteopathic Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Kelsey Tague
- Osteopathic Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Hassaan Wajeeh
- Osteopathic Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Michelle Demory Beckler
- Microbiology and Immunology, Nova Southeastern University Dr. Kiran C. Patel College of Allopathic Medicine, Fort Lauderdale, USA
| | - Marc M Kesselman
- Rheumatology, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Davie, USA
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Vicente MM, Leite-Gomes E, Pinho SS. Glycome dynamics in T and B cell development: basic immunological mechanisms and clinical applications. Trends Immunol 2023:S1471-4906(23)00112-6. [PMID: 37407365 PMCID: PMC10394430 DOI: 10.1016/j.it.2023.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/12/2023] [Accepted: 06/12/2023] [Indexed: 07/07/2023]
Abstract
Glycans cover the surfaces of all mammalian cells through a process called glycosylation. Nearly all proteins and receptors that integrate the intricate series of co-stimulatory/inhibitory pathways of the immune system are glycosylated. Growing evidence indicates that the development of the immune system at the origins of T and B cell development is tightly regulated by glycosylation. In this opinion, we hypothesize that the glycome composition of developing T and B cells is developmentally regulated. We discuss how glycans play fundamental roles in lymphocyte development and how glycans early define T and B cell functionality in multiple aspects of adaptive immunity. These advances can provide opportunities for the discovery of novel disease factors and more effective candidate treatments for various conditions.
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Affiliation(s)
- Manuel M Vicente
- i3S - Institute for Research and Innovation in Health, University of Porto, 4200-135 Porto, Portugal; Graduate Program in Areas of Applied and Basic Biology (GABBA), School of Medicine and Biomedical Sciences (ICBAS), University of Porto, 4050-313 Porto, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Eduarda Leite-Gomes
- i3S - Institute for Research and Innovation in Health, University of Porto, 4200-135 Porto, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Salomé S Pinho
- i3S - Institute for Research and Innovation in Health, University of Porto, 4200-135 Porto, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, 4050-313 Porto, Portugal; Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal.
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Yue Z, Yu Y, Gao B, Wang D, Sun H, Feng Y, Ma Z, Xie X. Advances in protein glycosylation and its role in tissue repair and regeneration. Glycoconj J 2023; 40:355-373. [PMID: 37097318 DOI: 10.1007/s10719-023-10117-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 04/10/2023] [Accepted: 04/16/2023] [Indexed: 04/26/2023]
Abstract
After tissue damage, a series of molecular and cellular events are initiated to promote tissue repair and regeneration to restore its original structure and function. These events include inter-cell communication, cell proliferation, cell migration, extracellular matrix differentiation, and other critical biological processes. Glycosylation is the crucial conservative and universal post-translational modification in all eukaryotic cells [1], with influential roles in intercellular recognition, regulation, signaling, immune response, cellular transformation, and disease development. Studies have shown that abnormally glycosylation of proteins is a well-recognized feature of cancer cells, and specific glycan structures are considered markers of tumor development. There are many studies on gene expression and regulation during tissue repair and regeneration. Still, there needs to be more knowledge of complex carbohydrates' effects on tissue repair and regeneration, such as glycosylation. Here, we present a review of studies investigating protein glycosylation in the tissue repair and regeneration process.
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Affiliation(s)
- Zhongyu Yue
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Yajie Yu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Boyuan Gao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Du Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Hongxiao Sun
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Yue Feng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Zihan Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Xin Xie
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China.
- GeWu Medical Research Institute (GMRI), Xi'an, China.
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Abstract
The intestinal lining is protected by a mucous barrier composed predominantly of complex carbohydrates. Gut microbes employ diverse glycoside hydrolases (GHs) to liberate mucosal sugars as a nutrient source to facilitate host colonization. Intensive catabolism of mucosal glycans, however, may contribute to barrier erosion, pathogen encroachment, and inflammation. Sialic acid is an acidic sugar featured at terminal positions of host glycans. Characterized sialidases from the microbiome belong to the GH33 family, according to CAZy (Carbohydrate-Active enZYmes Database). In 2018 a functional metagenomics screen using thermal spring DNA uncovered the founding member of the GH156 sialidase family, the presence of which has yet to be reported in the context of the human microbiome. A subset of GH156 sequences from the CAZy database containing key sialidase residues was used to build a hidden Markov model. HMMsearch against public databases revealed ~10× more putative GH156 sialidases than currently cataloged by CAZy. Represented phyla include Bacteroidota, Verrucomicrobiota, and Firmicutes_A from human microbiomes, all of which play notable roles in carbohydrate fermentation. Analyses of metagenomic data sets revealed that GH156s are frequently encoded in metagenomes, with a greater variety and abundance of GH156 genes observed in traditional hunter-gatherer or agriculturalist societies than in industrialized societies, particularly relative to individuals with inflammatory bowel disease (IBD). Nineteen GH156s were recombinantly expressed and assayed for sialidase activity. The five GH156 sialidases identified here share limited sequence identity to each other or the founding GH156 family member and are representative of a large subset of the family. IMPORTANCE Sialic acids occupy terminal positions of human glycans where they act as receptors for microbes, toxins, and immune signaling molecules. Microbial enzymes that remove sialic acids, sialidases, are abundant in the human microbiome where they may contribute to shaping the microbiota community structure or contribute to pathology. Furthermore, sialidases have proven to hold therapeutic potential for cancer therapy. Here, we examined the sequence space of a sialidase family of enzymes, GH156, previously unknown in the human gut environment. Our analyses suggest that human populations with disparate dietary practices harbor distinct varieties and abundances of GH156-encoding genes. Furthermore, we demonstrate the sialidase activity of 5 gut-derived GH156s. These results expand the diversity of sialidases that may contribute to host glycan degradation, and these sequences may have biotechnological or clinical utility.
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Zhou F, Ma J, Zhu Y, Wang T, Yang Y, Sun Y, Chen Y, Song H, Huo X, Zhang J. The role and potential mechanism of O-Glycosylation in gastrointestinal tumors. Pharmacol Res 2022; 184:106420. [PMID: 36049664 DOI: 10.1016/j.phrs.2022.106420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/15/2022] [Accepted: 08/26/2022] [Indexed: 10/15/2022]
Abstract
Glycosylation is a critical post-translational modification (PTM) that affects the function of proteins and regulates cell signaling, thereby regulating various biological processes. Protein oxygen-N-acetylglucosamine (O-GlcNAc) glycosylation modifications are glycochemical modifications that occur within cells in the signal transduction and are frequently found in the cytoplasm and nucleus. Due to the rapid and reversible addition and removal, O-GlcNAc modifications are able to reversibly compete with certain phosphorylation modifications, immediately regulate the activity of proteins, and participate in kinds of cellular metabolic and signal transduction pathways, playing a pivotal role in the regulation of tumors, diabetes, and other diseases. This article provided a brief overview of O-GlcNAc glycosylation modification, introduced its role in altering the progression and immune response regulation of gastrointestinal tumors, and discussed its potential use as a marker of tumor neogenesis.
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Affiliation(s)
- Feinan Zhou
- The department of Spleen and Stomach Diseases of Cadres Healthcare Centre, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Jia Ma
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Yongfu Zhu
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Tianming Wang
- Laboratory of Infection and Immunity, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Yue Yang
- Laboratory of Infection and Immunity, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Yehan Sun
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Youmou Chen
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Hang Song
- Department of Biochemistry and Molecular Biology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Xingxing Huo
- Experimental Center of Clinical Research, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Jianye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangdong Province 510799, China.
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