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Pokrovsky VS, Qoura LA, Tikhonov AA, Rubina AY, Kushlinskii NE. Multiplex analysis of ovarian cancer patients using glycan microarray. Anal Biochem 2025; 701:115806. [PMID: 39947417 DOI: 10.1016/j.ab.2025.115806] [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: 06/27/2024] [Revised: 10/22/2024] [Accepted: 02/10/2025] [Indexed: 02/17/2025]
Abstract
Investigation of tumor-associated glycan antigens (TAGs) could be helpful for the development of sensitive cancer diagnostics and novel therapies. Glycan microarrays are effective methods for analyzing glycans and anti-glycan antibodies, which are immobilized arrays of oligo- or poly-saccharides on different substrates, making them a promising class of oncological biomarkers. Blood serum samples from patients (n = 203) with ovarian cancer (OvaCan) and healthy volunteers were analyzed using a glycan microarray containing 63 immobilized glycans to determine changes in anti-glycan IgG and IgM antibody profiles in OvaCan. Levels of anti-glycan IgG and IgM antibodies in OvaCan statistically differed from levels in healthy donors: the most prominent statistically significant difference for anti-glycan IgG antibodies was found for 6-O-su-Lec (AUC = 0.657, Se = 48.0 %, and Sp = 73.3 %). The AUC values for certain glycans investigated in diagnosing OvaCan indicated a fingerprint consisting of IgM antibodies to specific glycans, and the most specific anti-glycan IgM antibodies were Ley (AUC = 0.625, Se = 98.0 % and Sp = 45.0 %). The potential of these serological biomarkers to distinguish between OvaCan and other malignancies is still an unresolved issue that requires more large-scale studies to confirm and validate the use of these biomarkers in the diagnosis of different types of cancer.
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Affiliation(s)
- Vadim S Pokrovsky
- N.N. Blokhin National Medical Research Center of Oncology of Ministry of Health of Russian Federation, 115478, Moscow, Russia; Research Institute of Molecular and Cellular Medicine, People's Friendship University of Russia (RUDN University), 117198, Moscow, Russia.
| | - Louay Abo Qoura
- N.N. Blokhin National Medical Research Center of Oncology of Ministry of Health of Russian Federation, 115478, Moscow, Russia; Research Institute of Molecular and Cellular Medicine, People's Friendship University of Russia (RUDN University), 117198, Moscow, Russia
| | - Aleksei A Tikhonov
- Engelhardt Institute of Molecular Biology of Russian Academy of Sciences, 119991, Moscow, Russia
| | - Alla Yu Rubina
- Engelhardt Institute of Molecular Biology of Russian Academy of Sciences, 119991, Moscow, Russia
| | - Nikolai E Kushlinskii
- N.N. Blokhin National Medical Research Center of Oncology of Ministry of Health of Russian Federation, 115478, Moscow, Russia
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Gadi MR, Han J, Shen T, Fan S, Xiao Z, Li L. Divergent synthesis of amino acid-linked O-GalNAc glycan core structures. Nat Protoc 2025; 20:480-517. [PMID: 39327537 DOI: 10.1038/s41596-024-01051-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 07/19/2024] [Indexed: 09/28/2024]
Abstract
O-GalNAc glycans, also known as mucin-type O-glycans, are primary constituents of mucins on various mucosal sites of the body and also ubiquitously expressed on cell surface and secreted proteins. They have crucial roles in a wide range of physiological and pathological processes, including tumor growth and progression. In addition, altered expression of O-GalNAc glycans is frequently observed during different disease states. Research dedicated to unraveling the structure-function relationships of O-GalNAc glycans has led to the discovery of disease biomarkers and diagnostic tools and the development of O-glycopeptide-based cancer vaccines. Many of these efforts require amino acid-linked O-GalNAc core structures as building blocks to assemble complex O-glycans and glycopeptides. There are eight core structures (cores one to eight), from which all mucin-type O-glycans are derived. In this protocol, we describe the first divergent synthesis of all eight cores from a versatile precursor in practical scales. The protocol involves (i) chemical synthesis of the orthogonally protected precursor (3 days) from commercially available materials, (ii) chemical synthesis of five unique glycosyl donors (1-2 days for each donor) and (iii) selective deprotection of the precursor and assembly of the eight cores (2-4 days for each core). The procedure can be adopted to prepare O-GalNAc cores linked to serine, threonine and tyrosine, which can then be utilized directly for solid-phase glycopeptide synthesis or chemoenzymatic synthesis of complex O-glycans. The procedure empowers researchers with fundamental organic chemistry skills to prepare gram scales of any desired O-GalNAc core(s) or all eight cores concurrently.
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Affiliation(s)
- Madhusudhan Reddy Gadi
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Jinghua Han
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Tangliang Shen
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Shuquan Fan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Zhongying Xiao
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Lei Li
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA.
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Batiste M, Joy B, Yee CK, Cho L, Christensen A, Abed I, Nguyen K, Yanumula A, Chang H, Cho ED, Wang W, Chou E, Chang EH, Shyu YL, Abram A, Alcaide J, Zhou J, Gillespie B, Senderovich M, Cusick GA, Le AV, Hoang F, Shi Y, Mohamed E, Cusick JK. RELT Is Upregulated in Breast Cancer and Induces Death in Breast Cancer Cells. Biomedicines 2024; 12:2667. [PMID: 39767574 PMCID: PMC11727564 DOI: 10.3390/biomedicines12122667] [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: 10/05/2024] [Revised: 11/02/2024] [Accepted: 11/08/2024] [Indexed: 01/16/2025] Open
Abstract
BACKGROUND Receptor Expressed in Lymphoid Tissues (RELT) is a TNFRSF member that has two paralogs, RELL1 and RELL2; the three proteins are collectively referred to as RELT family members (RELTfms). METHODS We sought to evaluate RELT expression in cancerous cells by using real-time PCR, western blotting, flow cytometry, and immunohistochemistry (IHC). The mechanism of RELT-induced cell death was assessed by western blotting, flow cytometry, luciferase assays, and morphology staining. RELT localization was detected through immunofluorescence and western blotting, and co-immunoprecipitation was used to test whether a mutated RELT interacts with the OXSR1 kinase. RESULTS RELT and RELL1 protein expression was significantly elevated in cell lines representing breast and lung cancer, whereas RELL2 protein expression was relatively consistent across different cell lines. The surface expression of RELT was highest in monocytes. IHC staining revealed increased RELT expression in malignant breast cancer biopsies compared to patient-matched benign tissue. RELTfm overexpression induced death in MDA-MB-231 (231) breast cancer cells, accompanied by increased phosphatidylserine externalization and Caspase-3/7 activation. The co-transfection of plasmids predicted to block the phosphorylation of RELT by the OXSR1 kinase did not abrogate RELT-induced apoptosis, indicating that the activation of p38 by RELT through the OXSR1 kinase is not required for RELT-induced cell death. Interestingly, nuclear localization of RELT was detected in 231 and HEK-293 cells. CONCLUSIONS These results demonstrate that RELT induces death in breast cancer cells through an apoptotic pathway that does not require OXSR1 phosphorylation and that RELT possesses the ability to translocate to the nucleus, a novel finding that warrants further investigation.
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Affiliation(s)
- Maryann Batiste
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Bethany Joy
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Cara K. Yee
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Luke Cho
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Ashley Christensen
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Ihab Abed
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Kailey Nguyen
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Anusri Yanumula
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Hannah Chang
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Evan D. Cho
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Wenjia Wang
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Emily Chou
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Esther H. Chang
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Yennie L. Shyu
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Alyssa Abram
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Jessa Alcaide
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - James Zhou
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Brittany Gillespie
- Masters of Pharmaceutical Sciences Department, College of Graduate Studies, California Northstate University, Elk Grove, CA 95757, USA
| | - Michelle Senderovich
- Masters of Pharmaceutical Sciences Department, College of Graduate Studies, California Northstate University, Elk Grove, CA 95757, USA
| | - Gianne Almeida Cusick
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Ai-Vy Le
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Frank Hoang
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
| | - Yihui Shi
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
- California Pacific Medical Center Research Institute, San Francisco, CA 94107, USA
| | - Eslam Mohamed
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
- Masters of Pharmaceutical Sciences Department, College of Graduate Studies, California Northstate University, Elk Grove, CA 95757, USA
| | - John K. Cusick
- Department of Basic Science, College of Medicine, California Northstate University, Elk Grove, CA 95757, USA (B.J.); (A.C.); (H.C.); (E.D.C.); (E.H.C.); (Y.L.S.); (A.-V.L.); (Y.S.); (E.M.)
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4
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Heimburg-Molinaro J, Mehta AY, Tilton CA, Cummings RD. Insights Into Glycobiology and the Protein-Glycan Interactome Using Glycan Microarray Technologies. Mol Cell Proteomics 2024; 23:100844. [PMID: 39307422 PMCID: PMC11585810 DOI: 10.1016/j.mcpro.2024.100844] [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: 06/13/2024] [Revised: 08/26/2024] [Accepted: 08/28/2024] [Indexed: 11/11/2024] Open
Abstract
Glycans linked to proteins and lipids and also occurring in free forms have many functions, and these are partly elicited through specific interactions with glycan-binding proteins (GBPs). These include lectins, adhesins, toxins, hemagglutinins, growth factors, and enzymes, but antibodies can also bind glycans. While humans and other animals generate a vast repertoire of GBPs and different glycans in their glycomes, other organisms, including phage, microbes, protozoans, fungi, and plants also express glycans and GBPs, and these can also interact with their host glycans. This can be termed the protein-glycan interactome, and in nature is likely to be vast, but is so far very poorly described. Understanding the breadth of the protein-glycan interactome is also a key to unlocking our understanding of infectious diseases involving glycans, and immunology associated with antibodies binding to glycans. A key technological advance in this area has been the development of glycan microarrays. This is a display technology in which minute quantities of glycans are attached to the surfaces of slides or beads. This allows the arrayed glycans to be interrogated by GBPs and antibodies in a relatively high throughput approach, in which a protein may bind to one or more distinct glycans. Such binding can lead to novel insights and hypotheses regarding both the function of the GBP, the specificity of an antibody and the function of the glycan within the context of the protein-glycan interactome. This article focuses on the types of glycan microarray technologies currently available to study animal glycobiology and examples of breakthroughs aided by these technologies.
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Affiliation(s)
- Jamie Heimburg-Molinaro
- Department of Surgery Beth Israel Deaconess Medical Center, National Center for Functional Glycomics (NCFG), Harvard Medical School, Boston, Massachusetts, USA
| | - Akul Y Mehta
- Department of Surgery Beth Israel Deaconess Medical Center, National Center for Functional Glycomics (NCFG), Harvard Medical School, Boston, Massachusetts, USA
| | - Catherine A Tilton
- Department of Surgery Beth Israel Deaconess Medical Center, National Center for Functional Glycomics (NCFG), Harvard Medical School, Boston, Massachusetts, USA
| | - Richard D Cummings
- Department of Surgery Beth Israel Deaconess Medical Center, National Center for Functional Glycomics (NCFG), Harvard Medical School, Boston, Massachusetts, USA.
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Corzana F, Asín A, Eguskiza A, De Tomi E, Martín-Carnicero A, Martínez-Moral MP, Mangini V, Papi F, Bretón C, Oroz P, Lagartera L, Jiménez-Moreno E, Avenoza A, Busto JH, Nativi C, Asensio JL, Hurtado-Guerrero R, Peregrina JM, Malerba G, Martínez A, Fiammengo R. Detection of Tumor-Associated Autoantibodies in the Sera of Pancreatic Cancer Patients Using Engineered MUC1 Glycopeptide Nanoparticle Probes. Angew Chem Int Ed Engl 2024; 63:e202407131. [PMID: 38935849 DOI: 10.1002/anie.202407131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/17/2024] [Accepted: 06/23/2024] [Indexed: 06/29/2024]
Abstract
Pancreatic cancer is one of the deadliest cancers worldwide, mainly due to late diagnosis. Therefore, there is an urgent need for novel diagnostic approaches to identify the disease as early as possible. We have developed a diagnostic assay for pancreatic cancer based on the detection of naturally occurring tumor associated autoantibodies against Mucin-1 (MUC1) using engineered glycopeptides on nanoparticle probes. We used a structure-guided approach to develop unnatural glycopeptides as model antigens for tumor-associated MUC1. We designed a collection of 13 glycopeptides to bind either SM3 or 5E5, two monoclonal antibodies with distinct epitopes known to recognize tumor associated MUC1. Glycopeptide binding to SM3 or 5E5 was confirmed by surface plasmon resonance and rationalized by molecular dynamics simulations. These model antigens were conjugated to gold nanoparticles and used in a dot-blot assay to detect autoantibodies in serum samples from pancreatic cancer patients and healthy volunteers. Nanoparticle probes with glycopeptides displaying the SM3 epitope did not have diagnostic potential. Instead, nanoparticle probes displaying glycopeptides with high affinity for 5E5 could discriminate between cancer patients and healthy controls. Remarkably, the best-discriminating probes show significantly better true and false positive rates than the current clinical biomarkers CA19-9 and carcinoembryonic antigen (CEA).
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Affiliation(s)
- Francisco Corzana
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Alicia Asín
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Ander Eguskiza
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy
| | - Elisa De Tomi
- Department of Neurosciences, Biomedicine and Movement Sciences, GM Lab, University of Verona, 37134, Verona, Italy
| | | | - María P Martínez-Moral
- Oncology Area, Angiogenesis Group, Center for Biomedical Research of La Rioja (CIBIR), Logroño, 26006 Logroño, Spain
- Wadsworth Center, New York State Department of Health, Biggs Laboratory, Corning Tower, ESP. 12201, Albany, NY, USA
| | - Vincenzo Mangini
- Center for Biomolecular Nanotechnologies@UniLe, Istituto Italiano di Tecnologia (IIT), 73010, Arnesano, Lecce, Italy
| | - Francesco Papi
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino (FI), Italy
| | - Carmen Bretón
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Paula Oroz
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Laura Lagartera
- Servicios de Interacciones Biofísicas, Instituto de Química Médica (CSIC), C/Juan de la Cierva, 3, 28006, Madrid, Spain
| | - Ester Jiménez-Moreno
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Alberto Avenoza
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Jesús H Busto
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Cristina Nativi
- Department of Chemistry "Ugo Schiff", University of Florence, 50019, Sesto Fiorentino (FI), Italy
| | - Juan L Asensio
- Departamento de Química Bio-Orgánica, Instituto de Química Orgánica General (IQOG-CSIC), Consejo Superior de Investigaciones Científicas (CSIC), 28006, Madrid, Spain
| | - Ramón Hurtado-Guerrero
- Institute of Biocomputation and Physics of Complex Systems, University of Zaragoza, 50018, Zaragoza, Spain
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, DK-2200, Denmark
- Fundación ARAID, 50018, Zaragoza, Spain
| | - Jesús M Peregrina
- Departamento de Química, Instituto de Investigación en Química (IQUR), Universidad de La Rioja, Logroño, 26006 Logroño, Spain
| | - Giovanni Malerba
- Department of Neurosciences, Biomedicine and Movement Sciences, GM Lab, University of Verona, 37134, Verona, Italy
| | - Alfredo Martínez
- Oncology Area, Angiogenesis Group, Center for Biomedical Research of La Rioja (CIBIR), Logroño, 26006 Logroño, Spain
| | - Roberto Fiammengo
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy
- Center for Biomolecular Nanotechnologies@UniLe, Istituto Italiano di Tecnologia (IIT), 73010, Arnesano, Lecce, Italy
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6
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Ayyalasomayajula R, Cudic M. Targeting Siglec-Sialylated MUC1 Immune Axis in Cancer. Cancers (Basel) 2024; 16:1334. [PMID: 38611013 PMCID: PMC11011055 DOI: 10.3390/cancers16071334] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/12/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024] Open
Abstract
Siglecs play a key role in mediating cell-cell interactions via the recognition of different sialylated glycoconjugates, including tumor-associated MUC1, which can lead to the activation or inhibition of the immune response. The activation occurs through the signaling of Siglecs with the cytoplasmic immunoreceptor tyrosine-based activation motif (ITAM)-containing proteins, while the inhibition signal is a result of the interaction of intracellular immunoreceptor tyrosine-based inhibition motif (ITIM)-bearing receptors. The interaction of tumor-associated MUC1 sialylated glycans with Siglecs via ITIM motifs decreases antitumor immunity. Consequently, these interactions are expected to play a key role in tumor evasion. Efforts to modulate the response of immune cells by blocking the immune-suppressive effects of inhibitory Siglecs, driving immune-activating Siglecs, and/or altering the synthesis and expression of the sialic acid glycocalyx are new therapeutic strategies deserving further investigation. We will highlight the role of Siglec's family receptors in immune evasion through interactions with glycan ligands in their natural context, presented on the protein such as MUC1, factors affecting their fine binding specificities, such as the role of multivalency either at the ligand or receptor side, their spatial organization, and finally the current and future therapeutic interventions targeting the Siglec-sialylated MUC1 immune axis in cancer.
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Affiliation(s)
| | - Mare Cudic
- Department of Chemistry and Biochemistry, Florida Atlantic University, 777 Glades Rd., Boca Raton, FL 33431, USA;
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7
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Marglous S, Brown CE, Padler-Karavani V, Cummings RD, Gildersleeve JC. Serum antibody screening using glycan arrays. Chem Soc Rev 2024; 53:2603-2642. [PMID: 38305761 PMCID: PMC7616341 DOI: 10.1039/d3cs00693j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Humans and other animals produce a diverse collection of antibodies, many of which bind to carbohydrate chains, referred to as glycans. These anti-glycan antibodies are a critical part of our immune systems' defenses. Whether induced by vaccination or natural exposure to a pathogen, anti-glycan antibodies can provide protection against infections and cancers. Alternatively, when an immune response goes awry, antibodies that recognize self-glycans can mediate autoimmune diseases. In any case, serum anti-glycan antibodies provide a rich source of information about a patient's overall health, vaccination history, and disease status. Glycan microarrays provide a high-throughput platform to rapidly interrogate serum anti-glycan antibodies and identify new biomarkers for a variety of conditions. In addition, glycan microarrays enable detailed analysis of the immune system's response to vaccines and other treatments. Herein we review applications of glycan microarray technology for serum anti-glycan antibody profiling.
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Affiliation(s)
- Samantha Marglous
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
| | - Claire E Brown
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
| | - Vered Padler-Karavani
- Department of Cell Research and Immunology, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, 69978, Israel.
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02115, USA.
| | - Jeffrey C Gildersleeve
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
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8
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Tumoglu B, Keelaghan A, Avci FY. Tn antigen interactions of macrophage galactose-type lectin (MGL) in immune function and disease. Glycobiology 2023; 33:879-887. [PMID: 37847609 PMCID: PMC10859631 DOI: 10.1093/glycob/cwad083] [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: 07/21/2023] [Revised: 09/26/2023] [Accepted: 10/12/2023] [Indexed: 10/19/2023] Open
Abstract
Protein-carbohydrate interactions are essential in maintaining immune homeostasis and orchestrating inflammatory and regulatory immune processes. This review elucidates the immune interactions of macrophage galactose-type lectin (MGL, CD301) and Tn carbohydrate antigen. MGL is a C-type lectin receptor (CLR) primarily expressed by myeloid cells such as macrophages and immature dendritic cells. MGL recognizes terminal O-linked N-acetylgalactosamine (GalNAc) residue on the surface proteins, also known as Tn antigen (Tn). Tn is a truncated form of the elongated cell surface O-glycan. The hypoglycosylation leading to Tn may occur when the enzyme responsible for O-glycan elongation-T-synthase-or its associated chaperone-Cosmc-becomes functionally inhibited. As reviewed here, Tn expression is observed in many different neoplastic and non-neoplastic diseases, and the recognition of Tn by MGL plays an important role in regulating effector T cells, immune suppression, and the recognition of pathogens.
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Affiliation(s)
- Berna Tumoglu
- Department of Biochemistry, Emory Vaccine Center, Emory University School of Medicine, 1510 Clifton Rd., Atlanta, GA 30322, United States
| | - Aidan Keelaghan
- Department of Biochemistry, Emory Vaccine Center, Emory University School of Medicine, 1510 Clifton Rd., Atlanta, GA 30322, United States
| | - Fikri Y Avci
- Department of Biochemistry, Emory Vaccine Center, Emory University School of Medicine, 1510 Clifton Rd., Atlanta, GA 30322, United States
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9
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Bhalchandra S, Gevers K, Heimburg-Molinaro J, van Roosmalen M, Coppens I, Cummings RD, Ward HD. Identification of the glycopeptide epitope recognized by a protective Cryptosporidium monoclonal antibody. Infect Immun 2023; 91:e0027523. [PMID: 37725059 PMCID: PMC10580954 DOI: 10.1128/iai.00275-23] [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: 07/20/2023] [Accepted: 07/26/2023] [Indexed: 09/21/2023] Open
Abstract
Cryptosporidium species are a leading cause of pediatric diarrheal disease and death in low- and middle-income countries and pose a particular threat to immunocompromised individuals. As a zoonotic pathogen, Cryptosporidium can have devastating effects on the health of neonatal calves. Despite its impact on human and animal health, consistently effective drug treatments for cryptosporidiosis are lacking and no vaccine is available. We previously showed that C. parvum mucin-like glycoproteins, gp40, and gp900 express an epitope identified by a monoclonal antibody 4E9. 4E9 neutralized C. parvum infection in vitro as did glycan-binding proteins specific for the Tn antigen (GalNAc-α1-S/T). Here, we show that 4E9 ameliorates disease in vivo in a calf challenge model. The 4E9 epitope is present on C. hominis in addition to C. parvum gp40 and gp900 and localizes to the plasma membrane and dense granules of invasive and intracellular stages. To characterize the epitope recognized by 4E9, we probed a glycan array containing over 500 defined glycans together with a custom-made glycopeptide microarray containing glycopeptides from native mucins or C. parvum gp40 and gp15. 4E9 exhibited no binding to the glycan array but bound strongly to glycopeptides from native mucins or gp40 on the glycopeptide array, suggesting that the antibody epitope contains both peptide and glycan moieties. 4E9 only recognized glycopeptides with adjacent S or T residues in the motif S*/T*-X-S*/T* where X = 0 or 1. These data define the 4E9 epitope and have implications for the inclusion of the epitope in the development of vaccines or other immune-based therapies.
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Affiliation(s)
- Seema Bhalchandra
- Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, Massachusetts, USA
| | | | - Jamie Heimburg-Molinaro
- Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
| | | | - Isabelle Coppens
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Richard D. Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
| | - Honorine D. Ward
- Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, Massachusetts, USA
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10
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Sun L, Zhang Y, Li W, Zhang J, Zhang Y. Mucin Glycans: A Target for Cancer Therapy. Molecules 2023; 28:7033. [PMID: 37894512 PMCID: PMC10609567 DOI: 10.3390/molecules28207033] [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: 09/13/2023] [Revised: 10/08/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Mucin glycans are an important component of the mucus barrier and a vital defence against physical and chemical damage as well as pathogens. There are 20 mucins in the human body, which can be classified into secreted mucins and transmembrane mucins according to their distributions. The major difference between them is that secreted mucins do not have transmembrane structural domains, and the expression of each mucin is organ and cell-specific. Under physiological conditions, mucin glycans are involved in the composition of the mucus barrier and thus protect the body from infection and injury. However, abnormal expression of mucin glycans can lead to the occurrence of diseases, especially cancer, through various mechanisms. Therefore, targeting mucin glycans for the diagnosis and treatment of cancer has always been a promising research direction. Here, we first summarize the main types of glycosylation (O-GalNAc glycosylation and N-glycosylation) on mucins and the mechanisms by which abnormal mucin glycans occur. Next, how abnormal mucin glycans contribute to cancer development is described. Finally, we summarize MUC1-based antibodies, vaccines, radio-pharmaceuticals, and CAR-T therapies using the best characterized MUC1 as an example. In this section, we specifically elaborate on the recent new cancer therapy CAR-M, which may bring new hope to cancer patients.
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Affiliation(s)
- Lingbo Sun
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Yuhan Zhang
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Wenyan Li
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Jing Zhang
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Yuecheng Zhang
- Key Laboratory of Analytical Technology and Detection of Yan'an, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an 716000, China
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11
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Aasted MK, Groen AC, Keane JT, Dabelsteen S, Tan E, Schnabel J, Liu F, Lewis HGS, Theodoropulos C, Posey AD, Wandall HH. Targeting Solid Cancers with a Cancer-Specific Monoclonal Antibody to Surface Expressed Aberrantly O-glycosylated Proteins. Mol Cancer Ther 2023; 22:1204-1214. [PMID: 37451822 PMCID: PMC10543972 DOI: 10.1158/1535-7163.mct-23-0221] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/14/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
The lack of antibodies with sufficient cancer selectivity is currently limiting the treatment of solid tumors by immunotherapies. Most current immunotherapeutic targets are tumor-associated antigens that are also found in healthy tissues and often do not display sufficient cancer selectivity to be used as targets for potent antibody-based immunotherapeutic treatments, such as chimeric antigen receptor (CAR) T cells. Many solid tumors, however, display aberrant glycosylation that results in expression of tumor-associated carbohydrate antigens that are distinct from healthy tissues. Targeting aberrantly glycosylated glycopeptide epitopes within existing or novel glycoprotein targets may provide the cancer selectivity needed for immunotherapy of solid tumors. However, to date only a few such glycopeptide epitopes have been targeted. Here, we used O-glycoproteomics data from multiple cell lines to identify a glycopeptide epitope in CD44v6, a cancer-associated CD44 isoform, and developed a cancer-specific mAb, 4C8, through a glycopeptide immunization strategy. 4C8 selectively binds to Tn-glycosylated CD44v6 in a site-specific manner with low nanomolar affinity. 4C8 was shown to be highly cancer specific by IHC of sections from multiple healthy and cancerous tissues. 4C8 CAR T cells demonstrated target-specific cytotoxicity in vitro and significant tumor regression and increased survival in vivo. Importantly, 4C8 CAR T cells were able to selectively kill target cells in a mixed organotypic skin cancer model having abundant CD44v6 expression without affecting healthy keratinocytes, indicating tolerability and safety.
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Affiliation(s)
- Mikkel K.M. Aasted
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | | | - John T. Keane
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Sally Dabelsteen
- Department of Oral Pathology, School of Dentistry, University of Copenhagen, Copenhagen, Denmark
| | - Edwin Tan
- GO-Therapeutics, One Broadway, Cambridge, Massachusetts
| | | | - Fang Liu
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Hyeon-Gyu S. Lewis
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | - Avery D. Posey
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania
| | - Hans H. Wandall
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
- GO-Therapeutics, One Broadway, Cambridge, Massachusetts
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12
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Gupta R, Ponangi R, Indresh KG. Role of glycosylation in breast cancer progression and metastasis: implications for miRNA, EMT and multidrug resistance. Glycobiology 2023; 33:545-555. [PMID: 37283470 DOI: 10.1093/glycob/cwad046] [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: 05/13/2022] [Revised: 04/18/2023] [Accepted: 06/02/2023] [Indexed: 06/08/2023] Open
Abstract
Breast cancer (BC) is one of the leading causes of death in women, globally. A variety of biological processes results in metastasis, a poorly understood pathological phenomenon, causing a high relapse rate. Glycosylation, microribonucleic acids (miRNAs) and epithelial to mesenchymal transition (EMT), have been shown to regulate this cascade where tumor cells detach from their primary site, enter the circulatory system and colonize distant sites. Integrated proteomics and glycomics approaches have been developed to probe the molecular mechanism regulating such metastasis. In this review, we describe specific aspects of glycosylation and its interrelation with miRNAs, EMT and multidrug resistance during BC progression and metastasis. We explore various approaches that determine the role of proteomes and glycosylation in BC diagnosis, therapy and drug discovery.
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Affiliation(s)
- Rohitesh Gupta
- Cancer Biology, CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad, 500007 Telangana, India
| | - Rohan Ponangi
- Cancer Biology, CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad, 500007 Telangana, India
| | - Kuppanur G Indresh
- Cancer Biology, CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad, 500007 Telangana, India
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13
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Martins ÁM, Lopes TM, Diniz F, Pires J, Osório H, Pinto F, Freitas D, Reis CA. Differential Protein and Glycan Packaging into Extracellular Vesicles in Response to 3D Gastric Cancer Cellular Organization. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300588. [PMID: 37340602 PMCID: PMC10460857 DOI: 10.1002/advs.202300588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/26/2023] [Indexed: 06/22/2023]
Abstract
Alterations of the glycosylation machinery are common events in cancer, leading to the synthesis of aberrant glycan structures by tumor cells. Extracellular vesicles (EVs) play a modulatory role in cancer communication and progression, and interestingly, several tumor-associated glycans have already been identified in cancer EVs. Nevertheless, the impact of 3D tumor architecture in the selective packaging of cellular glycans into EVs has never been addressed. In this work, the capacity of gastric cancer cell lines with differential glycosylation is evaluated in producing and releasing EVs when cultured under conventional 2D monolayer or in 3D culture conditions. Furthermore, the proteomic content is identified and specific glycans are studied in the EVs produced by these cells, upon differential spatial organization. Here, it is observed that although the proteome of the analyzed EVs is mostly conserved, an EV differential packaging of specific proteins and glycans is found. In addition, protein-protein interaction and pathway analysis reveal individual signatures on the EVs released by 2D- and 3D-cultured cells, suggesting distinct biological functions. These protein signatures also show a correlation with clinical data. Overall, this data highlight the importance of tumor cellular architecture when assessing the cancer-EV cargo and its biological role.
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Affiliation(s)
- Álvaro M. Martins
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS)University of PortoR. Jorge de Viterbo FerreiraPorto4050-313Portugal
| | - Tânia M. Lopes
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
| | - Francisca Diniz
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS)University of PortoR. Jorge de Viterbo FerreiraPorto4050-313Portugal
| | - José Pires
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
- Faculty of Medicine of the University of PortoAlameda Prof. Hernâni MonteiroPorto4200-319Portugal
| | - Hugo Osório
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
- Faculty of Medicine of the University of PortoAlameda Prof. Hernâni MonteiroPorto4200-319Portugal
| | - Filipe Pinto
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
| | - Daniela Freitas
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
| | - Celso A. Reis
- i3S‐Institute for Research and Innovation in HealthUniversity of PortoRua Alfredo Allen 208Porto4200-135Portugal
- IPATIMUP‐Institute of Molecular Pathology and ImmunologyUniversity of PortoRua Júlio Amaral de Carvalho 45Porto4200-135Portugal
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS)University of PortoR. Jorge de Viterbo FerreiraPorto4050-313Portugal
- Faculty of Medicine of the University of PortoAlameda Prof. Hernâni MonteiroPorto4200-319Portugal
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14
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Radziejewska I. Galectin-3 and Epithelial MUC1 Mucin-Interactions Supporting Cancer Development. Cancers (Basel) 2023; 15:2680. [PMID: 37345016 DOI: 10.3390/cancers15102680] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 06/23/2023] Open
Abstract
Aberrant glycosylation of cell surface proteins is a very common feature of many cancers. One of the glycoproteins, which undergoes specific alterations in the glycosylation of tumor cells is epithelial MUC1 mucin, which is highly overexpressed in the malignant state. Such changes lead to the appearance of tumor associated carbohydrate antigens (TACAs) on MUC1, which are rarely seen in healthy cells. One of these structures is the Thomsen-Friedenreich disaccharide Galβ1-3GalNAc (T or TF antigen), which is typical for about 90% of cancers. It was revealed that increased expression of the T antigen has a big impact on promoting cancer progression and metastasis, among others, due to the interaction of this antigen with the β-galactose binding protein galectin-3 (Gal-3). In this review, we summarize current information about the interactions between the T antigen on MUC1 mucin and Gal-3, and their impact on cancer progression and metastasis.
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Affiliation(s)
- Iwona Radziejewska
- Department of Medical Chemistry, Medical University of Białystok, ul. Mickiewicza 2a, 15-222 Białystok, Poland
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15
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Freitas R, Peixoto A, Ferreira E, Miranda A, Santos LL, Ferreira JA. Immunomodulatory glycomedicine: Introducing next generation cancer glycovaccines. Biotechnol Adv 2023; 65:108144. [PMID: 37028466 DOI: 10.1016/j.biotechadv.2023.108144] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 03/17/2023] [Accepted: 03/30/2023] [Indexed: 04/09/2023]
Abstract
Cancer remains a leading cause of death worldwide due to the lack of safer and more effective therapies. Cancer vaccines developed from neoantigens are an emerging strategy to promote protective and therapeutic anti-cancer immune responses. Advances in glycomics and glycoproteomics have unveiled several cancer-specific glycosignatures, holding tremendous potential to foster effective cancer glycovaccines. However, the immunosuppressive nature of tumours poses a major obstacle to vaccine-based immunotherapy. Chemical modification of tumour associated glycans, conjugation with immunogenic carriers and administration in combination with potent immune adjuvants constitute emerging strategies to address this bottleneck. Moreover, novel vaccine vehicles have been optimized to enhance immune responses against otherwise poorly immunogenic cancer epitopes. Nanovehicles have shown increased affinity for antigen presenting cells (APCs) in lymph nodes and tumours, while reducing treatment toxicity. Designs exploiting glycans recognized by APCs have further enhanced the delivery of antigenic payloads, improving glycovaccine's capacity to elicit innate and acquired immune responses. These solutions show potential to reduce tumour burden, while generating immunological memory. Building on this rationale, we provide a comprehensive overview on emerging cancer glycovaccines, emphasizing the potential of nanotechnology in this context. A roadmap towards clinical implementation is also delivered foreseeing advances in glycan-based immunomodulatory cancer medicine.
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Affiliation(s)
- Rui Freitas
- Experimental Pathology and Therapeutics Group, IPO Porto Research Center (CI-IPOP), RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute (IPO Porto), 4200-072 Porto, Portugal; Institute for Research and Innovation in Health (i3S), University of Porto, 4200-135 Porto, Portugal; Porto Comprehensive Cancer Center (P.ccc), 4200-072 Porto, Portugal; Abel Salazar Biomedical Sciences Institute - University of Porto (ICBAS), 4050-313 Porto, Portugal
| | - Andreia Peixoto
- Experimental Pathology and Therapeutics Group, IPO Porto Research Center (CI-IPOP), RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute (IPO Porto), 4200-072 Porto, Portugal; Institute for Research and Innovation in Health (i3S), University of Porto, 4200-135 Porto, Portugal; Porto Comprehensive Cancer Center (P.ccc), 4200-072 Porto, Portugal
| | - Eduardo Ferreira
- Experimental Pathology and Therapeutics Group, IPO Porto Research Center (CI-IPOP), RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute (IPO Porto), 4200-072 Porto, Portugal
| | - Andreia Miranda
- Experimental Pathology and Therapeutics Group, IPO Porto Research Center (CI-IPOP), RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute (IPO Porto), 4200-072 Porto, Portugal; Abel Salazar Biomedical Sciences Institute - University of Porto (ICBAS), 4050-313 Porto, Portugal
| | - Lúcio Lara Santos
- Experimental Pathology and Therapeutics Group, IPO Porto Research Center (CI-IPOP), RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute (IPO Porto), 4200-072 Porto, Portugal; Porto Comprehensive Cancer Center (P.ccc), 4200-072 Porto, Portugal; Abel Salazar Biomedical Sciences Institute - University of Porto (ICBAS), 4050-313 Porto, Portugal; Health School of University Fernando Pessoa, 4249-004 Porto, Portugal; GlycoMatters Biotech, 4500-162 Espinho, Portugal; Department of Surgical Oncology, Portuguese Oncology Institute (IPO Porto), 4200-072 Porto, Portugal
| | - José Alexandre Ferreira
- Experimental Pathology and Therapeutics Group, IPO Porto Research Center (CI-IPOP), RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute (IPO Porto), 4200-072 Porto, Portugal; Porto Comprehensive Cancer Center (P.ccc), 4200-072 Porto, Portugal; GlycoMatters Biotech, 4500-162 Espinho, Portugal.
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16
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Gheybi E, Asoodeh A, Amani J. In silico designing and expression of novel recombinant construct containing the variable part of CD44 extracellular domain for prediagnostic breast cancer. Cancer Rep (Hoboken) 2023; 6:e1745. [PMID: 36289579 PMCID: PMC10026285 DOI: 10.1002/cnr2.1745] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/22/2022] [Accepted: 10/13/2022] [Indexed: 02/11/2023] Open
Abstract
BACKGROUND CD44, as a tumor-associated marker, can be used to detect stem cells in breast cancer. While CD44 is expressed in normal epithelial cells, carcinoma cells overexpress CD44. AIMS In the current study, we designed a recombinant protein that included the variable component of the CD44 (CD44v) extracellular domain to apply in clinical diagnosis of breast cancer. METHODS A total of 100 CD44v amino-acid residues were determined, and the structure was examined using bioinformatics tools. The construct was inserted into the PET28a vector and transformed in E. coli BL21(DE3). A nearly 12 kDa fusion protein was obtained by Ni-NTA affinity metal chromatography. Recombinant CD44v was examined by Western blotting, ELISA, and immunohistochemistry (IHC) assays. RESULTS The findings revealed that the structure of rCD44v was stable, and its antigenic domain was exposed. The recombinant CD44v was confirmed by western blotting, and the presence of antibodies against recombinant CD44v protein in the patient's serum was detected by the ELISA. Our data demonstrated a link between CD44v serum levels and the prevalence of breast cancer. CONCLUSION Assessments of antiCD44v antibodies with rCD44v could be a useful tool for identifying breast cancer in its early stages, which can lead to better outcomes.
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Affiliation(s)
- Elaheh Gheybi
- Department of Chemistry, Faculty of ScienceFerdowsi University of MashhadMashhadIran
| | - Ahmad Asoodeh
- Department of Chemistry, Faculty of ScienceFerdowsi University of MashhadMashhadIran
| | - Jafar Amani
- Applied Microbiology Research Center, Systems Biology and Poisonings InstituteBaqiyatallah University of Medical SciencesTehranIran
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17
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Wang J, Zhang Y, Ma T, Wang T, Wen P, Song W, Zhang B. Screening crucial lncRNAs and genes in osteoarthritis by integrated analysis. Adv Rheumatol 2023; 63:7. [PMID: 36849988 DOI: 10.1186/s42358-023-00288-1] [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: 07/13/2022] [Accepted: 02/18/2023] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND Osteoarthritis (OA) is one of the most frequent chronic diseases with high morbidity worldwide, marked by degradation of the cartilage and bone, joint instability, stiffness, joint space stenosis and subchondral sclerosis. Due to the elusive mechanism of osteoarthritis (OA), we aimed to identify potential markers for OA and explore the molecular mechanisms underlying OA. METHODS Expression profiles data of OA were collected from the Gene Expression Omnibus database to identify differentially expressed mRNAs (DEmRNAs) and differentially expressed lncRNAs (DElncRNAs) in OA. Functional annotation and protein-protein interaction (PPI) networks were performed. Then, nearby DEmRNAs of DElncRNAs was obtained. Moreover, GO and KEGG pathway enrichment analysis of nearby DEmRNAs of DElncRNAs was performed. Finally, expression validation of selected mRNAs and lncRNAs was performed by quantitative reverse transcriptase-polymerase chain reaction. RESULTS In total, 2080 DEmRNAs and 664 DElncRNAs were determined in OA. PI3K-Akt signaling pathway, Endocytosis and Rap1 signaling pathway were significantly enriched KEGG pathways in OA. YWHAB, HSPA8, NEDD4L and SH3KBP1 were four hub proteins in PPI network. The AC093484.4/TRPV2 interact pair may be involved in the occurrence and development of OA. CONCLUSION Our study identified several DEmRNAs and DElncRNAs associated with OA. The molecular characters could provide more information for further study on OA.
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Affiliation(s)
- Jun Wang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, No.555, Youyi East Road Nanshaomen, Xi'an, 710054, Shaanxi, China
| | - Yumin Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, No.555, Youyi East Road Nanshaomen, Xi'an, 710054, Shaanxi, China
| | - Tao Ma
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, No.555, Youyi East Road Nanshaomen, Xi'an, 710054, Shaanxi, China
| | - Tao Wang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, No.555, Youyi East Road Nanshaomen, Xi'an, 710054, Shaanxi, China
| | - Pengfei Wen
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, No.555, Youyi East Road Nanshaomen, Xi'an, 710054, Shaanxi, China
| | - Wei Song
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, No.555, Youyi East Road Nanshaomen, Xi'an, 710054, Shaanxi, China.
| | - Binfei Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, No.555, Youyi East Road Nanshaomen, Xi'an, 710054, Shaanxi, China.
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18
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Banerjee DK. BIRTH OF A GLYCOTHERAPY FOR BREAST CANCER. TRENDS IN CARBOHYDRATE RESEARCH 2023; 15:25-37. [PMID: 38362162 PMCID: PMC10869124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Breast cancer is the most common malignant disease in women and is worldwide. The incidence rate of women's breast cancer in 2020 was 2,261,419 and 2022 estimates diagnosing 1,918,030 cases. The disease is heterogeneous and the pathogenesis of breast cancer still remains unclear. Much progress has been made in early detection and better treatment to improve survival. Unfortunately, the current treatment strategies destroy the patient's quality of life. The patients develop drug resistance, exhibit severe side effects, and not afford the cost creates anxiety among the patients, families, and friends. In addition, a considerable number of patients relapse as a result of organ metastasis, e.g., the triple-negative breast cancer (TNBC, ER-/PR-HER2-). The 5-year survival rate of patients who recurred with distant metastasis is less than 20%. More than half a million women worldwide still suffer from metastatic breast cancer annually, and 90% of their deaths could be attributed to metastasis. One of the reasons for the failure of cancer therapeutics is the approaches did not consider the cancer holistically. All breast cancer cells and their micro environmental capillary endothelial cells express asparagine-linked (N-linked) glycoproteins. We have tested a biologic and a small molecule, Tunicamycin-P (P = pure N-glycosylation inhibitor) to interfere with the protein N-glycosylation pathway in the endoplasmic reticulum (ER) by specifically blocking the catalytic activity of N-acetylglusosaminyl 1-phosphate transferase (GPT) activity. The outcome has been quantitative inhibition of in vitro and in vivo angiogenesis and the breast tumor progression of multiple subtypes in pre-clinical mouse models with "zero" toxicity. We have, therefore, concluded that Tunicamycin-P is expected to supersede the current therapeutics and become a Glycotherapy treating breast cancer of all subtypes.
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Affiliation(s)
- Dipak K Banerjee
- Department of Biochemistry, School of Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan, PR 00936-5067, USA
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19
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Yang R, Han Y, Yi W, Long Q. Autoantibodies as biomarkers for breast cancer diagnosis and prognosis. Front Immunol 2022; 13:1035402. [PMID: 36451832 PMCID: PMC9701846 DOI: 10.3389/fimmu.2022.1035402] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/28/2022] [Indexed: 10/07/2023] Open
Abstract
Breast cancer is the most common cancer in women worldwide and is a substantial public health problem. Screening for breast cancer mainly relies on mammography, which leads to false positives and missed diagnoses and is especially non-sensitive for patients with small tumors and dense breasts. The prognosis of breast cancer is mainly classified by tumor, node, and metastasis (TNM) staging, but this method does not consider the molecular characteristics of the tumor. As the product of the immune response to tumor-associated antigens, autoantibodies can be detected in peripheral blood and can be used as noninvasive, presymptomatic, and low-cost biomarkers. Therefore, autoantibodies can provide a possible supplementary method for breast cancer screening and prognosis classification. This article introduces the methods used to detect peripheral blood autoantibodies and the research progress in the screening and prognosis of breast cancer made in recent years to provide a potential direction for the examination and treatment of breast cancer.
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Affiliation(s)
| | | | | | - Qian Long
- Department of General Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
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20
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Kathrikolly T, Nair SN, Mathew A, Saxena PPU, Nair S. Can serum autoantibodies be a potential early detection biomarker for breast cancer in women? A diagnostic test accuracy review and meta-analysis. Syst Rev 2022; 11:215. [PMID: 36210467 PMCID: PMC9549667 DOI: 10.1186/s13643-022-02088-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/28/2022] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND The increasing incidence of breast cancer necessitates the need to explore alternate screening strategies that circumvent the setbacks of conventional techniques especially among population that report earlier age at diagnosis. Serum autoantibodies is one such potential area of interest. However, their ubiquitous presence across cancer types limits its applicability to any one specific type of cancer. This review was therefore carried out to explore and consolidate available evidence on autoantibodies for early detection of breast cancer and to identify those that demonstrated a higher sensitivity. METHODS A diagnostic test accuracy (DTA) review was carried out to ascertain serum autoantibodies that could be used for early detection of breast cancer among women. All relevant articles that investigated the role of autoantibodies in early detection of breast cancer were included for the review. MEDLINE, Scopus, ProQuest, Ovid SP, and Cochrane Library were searched extensively for eligible studies. Quality of the included studies was assessed using Quality Assessment of Diagnostic Accuracy Studies (QUADAS)-2 tool. RevMan 5.3 was used for exploratory and MetaDTA 2019 for hierarchical analyses. The review helped identify the most frequently investigated autoantibodies and a meta-analysis further consolidated the findings. RESULTS A total of 53 articles were included for the final analysis that reported over a 100 autoantibodies that were studied for early detection of breast cancer in women. P53, MUC1, HER2, HSP60, P16, Cyclin B1, and c-Myc were the most frequently investigated autoantibodies. Of these P53, MUC1, HER2, and HSP60 exhibited higher summary sensitivity measures. While the individual pooled sensitivity estimates ranged between 10 and 56%, the panel sensitivity values reported across studies were higher with an estimated range of 60-87%. CONCLUSION Findings from the review indicate a higher sensitivity for an autoantibody panel in comparison to individual assays. A panel comprising of P53, MUC1, HER2, and HSP60 autoantibodies has the potential to be investigated as an early detection biomarker for breast cancer.
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Affiliation(s)
- Thejas Kathrikolly
- Department of Community Oncology, Sri Shankara Cancer Hospital and Research Centre, Bengaluru, India.,Department of Community Medicine, Kasturba Medical College, Manipal Academy of Higher Education (MAHE), Manipal, India
| | - Sreekumaran N Nair
- Department of Biostatistics, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER), Puducherry, India
| | - Aju Mathew
- Department of Oncology, MOSC Medical College Kolenchery, Kerala, India.,Department of Internal Medicine, University of Kentucky Markey Cancer Center, Lexington, USA
| | - Prakash P U Saxena
- Department of Radiation Oncology, Kasturba Medical College, Mangalore, India
| | - Suma Nair
- Department of Community Medicine, Kasturba Medical College, Manipal Academy of Higher Education (MAHE), Manipal, India. .,School of Public Health, DY Patil Deemed to be University, Navi Mumbai, India.
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21
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Riley NM, Wen RM, Bertozzi CR, Brooks JD, Pitteri SJ. Measuring the multifaceted roles of mucin-domain glycoproteins in cancer. Adv Cancer Res 2022; 157:83-121. [PMID: 36725114 PMCID: PMC10582998 DOI: 10.1016/bs.acr.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Mucin-domain glycoproteins are highly O-glycosylated cell surface and secreted proteins that serve as both biochemical and biophysical modulators. Aberrant expression and glycosylation of mucins are known hallmarks in numerous malignancies, yet mucin-domain glycoproteins remain enigmatic in the broad landscape of cancer glycobiology. Here we review the multifaceted roles of mucins in cancer through the lens of the analytical and biochemical methods used to study them. We also describe a collection of emerging tools that are specifically equipped to characterize mucin-domain glycoproteins in complex biological backgrounds. These approaches are poised to further elucidate how mucin biology can be understood and subsequently targeted for the next generation of cancer therapeutics.
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Affiliation(s)
- Nicholas M Riley
- Department of Chemistry and Sarafan ChEM-H, Stanford University, Stanford, CA, United States.
| | - Ru M Wen
- Department of Urology, Stanford University School of Medicine, Stanford, CA, United States
| | - Carolyn R Bertozzi
- Department of Chemistry and Sarafan ChEM-H, Stanford University, Stanford, CA, United States; Howard Hughes Medical Institute, Stanford, CA, United States
| | - James D Brooks
- Department of Urology, Stanford University School of Medicine, Stanford, CA, United States; Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Palo Alto, CA, United States
| | - Sharon J Pitteri
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Palo Alto, CA, United States.
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22
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Banerjee DK, Seijo Lebrón A, Baksi K. Glycotherapy: A New Paradigm in Breast Cancer Research. Biomolecules 2022; 12:biom12040487. [PMID: 35454076 PMCID: PMC9026886 DOI: 10.3390/biom12040487] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/08/2022] [Accepted: 03/14/2022] [Indexed: 12/24/2022] Open
Abstract
Breast cancer is an ancient disease recognized first by the Egyptians as early as 1600 BC. The first cancer-causing gene in a chicken tumor virus was found in 1970. The United States signed the National Cancer Act in 1971, authorizing federal funding for cancer research. Irrespective of multi-disciplinary approaches, diverting a great deal of public and private resources, breast cancer remains at the forefront of human diseases, affecting as many as one in eight women during their lifetime. Because of overarching challenges and changes in the breast cancer landscape, five-year disease-free survival is no longer considered adequate. The absence of a cure, and the presence of drug resistance, severe side effects, and destruction of the patient’s quality of life, as well as the fact that therapy is often expensive, making it unaffordable to many, have created anxiety among patients, families, and friends. One of the reasons for the failure of cancer therapeutics is that the approaches do not consider cancer holistically. Characteristically, all breast cancer cells and their microenvironmental capillary endothelial cells express asparagine-linked (N-linked) glycoproteins with diverse structures. We tested a small biological molecule, Tunicamycin, that blocks a specific step of the protein N-glycosylation pathway in the endoplasmic reticulum (ER), i.e., the catalytic activity of N-acetylglusosaminyl 1-phosphate transferase (GPT). The outcome was overwhelmingly exciting. Tunicamycin quantitatively inhibits angiogenesis in vitro and in vivo, and inhibits the breast tumor progression of multiple subtypes in pre-clinical mouse models with “zero” toxicity. Mechanistic details support ER stress-induced unfolded protein response (upr) signaling as the cause for the apoptotic death of both cancer and the microvascular endothelial cells. Additionally, it interferes with Wnt signaling. We therefore conclude that Tunicamycin can be expected to supersede the current therapeutics to become a glycotherapy for treating breast cancer of all subtypes.
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Affiliation(s)
- Dipak K. Banerjee
- Department of Biochemistry, School of Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan, PR 00936-5067, USA;
- Correspondence:
| | - Arelis Seijo Lebrón
- Department of Biochemistry, School of Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan, PR 00936-5067, USA;
| | - Krishna Baksi
- Department of Anatomy and Cell Biology, School of Medicine, Universidad Central del Caribe, Bayamon, PR 00960-3001, USA;
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23
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Blšákova A, Květoň F, Lorencová L, Blixt O, Vikartovská A, Kasak P, Tkac J. Amplified suspension magnetic bead-based assay for sensitive detection of anti-glycan antibodies as potential cancer biomarkers. Anal Chim Acta 2022; 1195:339444. [DOI: 10.1016/j.aca.2022.339444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/27/2021] [Accepted: 01/03/2022] [Indexed: 11/16/2022]
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Tikhonov A, Smoldovskaya O, Feyzkhanova G, Kushlinskii N, Rubina A. Glycan-specific antibodies as potential cancer biomarkers: a focus on microarray applications. Clin Chem Lab Med 2021; 58:1611-1622. [PMID: 32324152 DOI: 10.1515/cclm-2019-1161] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 03/10/2020] [Indexed: 02/06/2023]
Abstract
Glycosylation is one of the most common posttranslational modifications of proteins and lipids. In the case of tumors, cell transformation accompanied by aberrant glycosylation results in the expression of tumor-associated glycans that promote tumor invasion. As part of the innate immunity, anti-glycan antibodies recognize tumor-associated glycans, and these antibodies can be present in the bloodstream in the early stages of cancer. Recently, anti-glycan antibody profiles have been of interest in various cancer studies. Novel advantages in the field of analytical techniques have simplified the analysis of anti-glycan antibodies and made it easier to have more comprehensive knowledge about their functions. One of the robust approaches for studying anti-glycan antibodies engages in microarray technology. The analysis of glycan microarrays can provide more expanded information to simultaneously specify or suggest the role of antibodies to a wide variety of glycans in the progression of different diseases, therefore making it possible to identify new biomarkers for diagnosing cancer and/or the state of the disease. Thus, in this review, we discuss antibodies to various glycans, their application for diagnosing cancer and one of the most promising tools for the investigation of these molecules, microarrays.
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Affiliation(s)
- Aleksei Tikhonov
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Olga Smoldovskaya
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Guzel Feyzkhanova
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Nikolay Kushlinskii
- Laboratory of Clinical Biochemistry, Federal State Budgetary Institution «N.N. Blokhin National Medical Research Center of Oncology» оf the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alla Rubina
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
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25
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Wandall HH, Nielsen MAI, King-Smith S, de Haan N, Bagdonaite I. Global functions of O-glycosylation: promises and challenges in O-glycobiology. FEBS J 2021; 288:7183-7212. [PMID: 34346177 DOI: 10.1111/febs.16148] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/23/2021] [Accepted: 08/03/2021] [Indexed: 12/13/2022]
Abstract
Mucin type O-glycosylation is one of the most diverse types of glycosylation, playing essential roles in tissue development and homeostasis. In complex organisms, O-GalNAc glycans comprise a substantial proportion of the glycocalyx, with defined functions in hemostatic, gastrointestinal, and respiratory systems. Furthermore, O-GalNAc glycans are important players in host-microbe interactions, and changes in O-glycan composition are associated with certain diseases and metabolic conditions, which in some instances can be used for diagnosis or therapeutic intervention. Breakthroughs in O-glycobiology have gone hand in hand with the development of new technologies, such as advancements in mass spectrometry, as well as facilitation of genetic engineering in mammalian cell lines. High-throughput O-glycoproteomics have enabled us to draw a comprehensive map of O-glycosylation, and mining this information has supported the definition and confirmation of functions related to site-specific O-glycans. This includes protection from proteolytic cleavage, as well as modulation of binding affinity or receptor function. Yet, there is still much to discover, and among the important next challenges will be to define the context-dependent functions of O-glycans in different stages of cellular differentiation, cellular metabolism, host-microbiome interactions, and in disease. In this review, we present the achievements and the promises in O-GalNAc glycobiology driven by technological advances in analytical methods, genetic engineering, and systems biology.
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Affiliation(s)
- Hans H Wandall
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Mathias A I Nielsen
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Sarah King-Smith
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Noortje de Haan
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Ieva Bagdonaite
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
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26
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Klamer Z, Haab B. Combined Analysis of Multiple Glycan-Array Datasets: New Explorations of Protein-Glycan Interactions. Anal Chem 2021; 93:10925-10933. [PMID: 34319080 DOI: 10.1021/acs.analchem.1c01739] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Glycan arrays are indispensable for learning about the specificities of glycan-binding proteins. Despite the abundance of available data, the current analysis methods do not have the ability to interpret and use the variety of data types and to integrate information across datasets. Here, we evaluated whether a novel, automated algorithm for glycan-array analysis could meet that need. We developed a regression-tree algorithm with simultaneous motif optimization and packaged it in software called MotifFinder. We applied the software to analyze data from eight different glycan-array platforms with widely divergent characteristics and observed an accurate analysis of each dataset. We then evaluated the feasibility and value of the combined analyses of multiple datasets. In an integrated analysis of datasets covering multiple lectin concentrations, the software determined approximate binding constants for distinct motifs and identified major differences between the motifs that were not apparent from single-concentration analyses. Furthermore, an integrated analysis of data sources with complementary sets of glycans produced broader views of lectin specificity than produced by the analysis of just one data source. MotifFinder, therefore, enables the optimal use of the expanding resource of the glycan-array data and promises to advance the studies of protein-glycan interactions.
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Affiliation(s)
- Zachary Klamer
- Van Andel Institute, 333 Bostwick NE, Grand Rapids, Michigan 49503, United States
| | - Brian Haab
- Van Andel Institute, 333 Bostwick NE, Grand Rapids, Michigan 49503, United States
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27
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Ferreira JA, Relvas-Santos M, Peixoto A, M N Silva A, Lara Santos L. Glycoproteogenomics: Setting the Course for Next-generation Cancer Neoantigen Discovery for Cancer Vaccines. GENOMICS, PROTEOMICS & BIOINFORMATICS 2021; 19:25-43. [PMID: 34118464 PMCID: PMC8498922 DOI: 10.1016/j.gpb.2021.03.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 01/25/2021] [Accepted: 03/01/2021] [Indexed: 12/24/2022]
Abstract
Molecular-assisted precision oncology gained tremendous ground with high-throughput next-generation sequencing (NGS), supported by robust bioinformatics. The quest for genomics-based cancer medicine set the foundations for improved patient stratification, while unveiling a wide array of neoantigens for immunotherapy. Upfront pre-clinical and clinical studies have successfully used tumor-specific peptides in vaccines with minimal off-target effects. However, the low mutational burden presented by many lesions challenges the generalization of these solutions, requiring the diversification of neoantigen sources. Oncoproteogenomics utilizing customized databases for protein annotation by mass spectrometry (MS) is a powerful tool toward this end. Expanding the concept toward exploring proteoforms originated from post-translational modifications (PTMs) will be decisive to improve molecular subtyping and provide potentially targetable functional nodes with increased cancer specificity. Walking through the path of systems biology, we highlight that alterations in protein glycosylation at the cell surface not only have functional impact on cancer progression and dissemination but also originate unique molecular fingerprints for targeted therapeutics. Moreover, we discuss the outstanding challenges required to accommodate glycoproteomics in oncoproteogenomics platforms. We envisage that such rationale may flag a rather neglected research field, generating novel paradigms for precision oncology and immunotherapy.
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Affiliation(s)
- José Alexandre Ferreira
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto 4200-072, Portugal; Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto 4050-313, Portugal; Porto Comprehensive Cancer Center (P.ccc), Porto 4200-072, Portugal.
| | - Marta Relvas-Santos
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto 4200-072, Portugal; Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto 4050-313, Portugal; REQUIMTE-LAQV, Department of Chemistry and Biochemistry, Faculty of Sciences of the University of Porto, Porto 4169-007, Portugal
| | - Andreia Peixoto
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto 4200-072, Portugal; Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto 4050-313, Portugal
| | - André M N Silva
- REQUIMTE-LAQV, Department of Chemistry and Biochemistry, Faculty of Sciences of the University of Porto, Porto 4169-007, Portugal
| | - Lúcio Lara Santos
- Experimental Pathology and Therapeutics Group, Portuguese Institute of Oncology, Porto 4200-072, Portugal; Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto 4050-313, Portugal; Porto Comprehensive Cancer Center (P.ccc), Porto 4200-072, Portugal
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Mucin-Type O-GalNAc Glycosylation in Health and Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1325:25-60. [PMID: 34495529 DOI: 10.1007/978-3-030-70115-4_2] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mucin-type GalNAc O-glycosylation is one of the most abundant and unique post-translational modifications. The combination of proteome-wide mapping of GalNAc O-glycosylation sites and genetic studies with knockout animals and genome-wide analyses in humans have been instrumental in our understanding of GalNAc O-glycosylation. Combined, such studies have revealed well-defined functions of O-glycans at single sites in proteins, including the regulation of pro-protein processing and proteolytic cleavage, as well as modulation of receptor functions and ligand binding. In addition to isolated O-glycans, multiple clustered O-glycans have an important function in mammalian biology by providing structural support and stability of mucins essential for protecting our inner epithelial surfaces, especially in the airways and gastrointestinal tract. Here the many O-glycans also provide binding sites for both endogenous and pathogen-derived carbohydrate-binding proteins regulating critical developmental programs and helping maintain epithelial homeostasis with commensal organisms. Finally, O-glycan changes have been identified in several diseases, most notably in cancer and inflammation, where the disease-specific changes can be used for glycan-targeted therapies. This chapter will review the biosynthesis, the biology, and the translational perspectives of GalNAc O-glycans.
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Potluri HK, Ng TL, Newton MA, Zhang J, Maher CA, Nelson PS, McNeel DG. Antibody profiling of patients with prostate cancer reveals differences in antibody signatures among disease stages. J Immunother Cancer 2020; 8:e001510. [PMID: 33335027 PMCID: PMC7745697 DOI: 10.1136/jitc-2020-001510] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2020] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Previous studies of prostate cancer autoantibodies have largely focused on diagnostic applications. So far, there have been no reports attempting to more comprehensively profile the landscape of prostate cancer-associated antibodies. Specifically, it is unknown whether the quantity of antibodies or the types of proteins recognized change with disease progression. METHODS A peptide microarray spanning the amino acid sequences of the gene products of 1611 prostate cancer-associated genes was synthesized. Serum samples from healthy male volunteers (n=15) and patients with prostate cancer (n=85) were used to probe the array. These samples included patients with various clinical stages of disease: newly diagnosed localized prostate cancer (n=15), castration-sensitive non-metastatic prostate cancer (nmCSPC, n=40), castration-resistant non-metastatic prostate cancer (n=15) and castration-resistant metastatic disease (n=15). The patients with nmCSPC received treatment with either standard androgen deprivation therapy (ADT) or an antitumor DNA vaccine encoding prostatic acid phosphatase. Serial sera samples from these individuals were also used to probe the array, to secondarily determine whether this approach could be used to detect treatment-related changes. RESULTS We demonstrated that this peptide array yielded highly reproducible measurements of serum IgG levels. We found that the overall number of antibody responses did not increase with disease burden. However, the composition of recognized proteins shifted with clinical stage of disease. Our analysis revealed that the largest difference was between patients with castration-sensitive and castration-resistant disease. Patients with castration-resistant disease recognized more proteins associated with nucleic acid binding and gene regulation compared with men in other groups. Our longitudinal data showed that treatments can elicit antibodies detectable by this array, and notably vaccine-treated patients developed increased responses to more proteins over the course of treatment than did ADT-treated patients. CONCLUSIONS This study represents the largest survey of prostate cancer-associated antibodies to date. We have been able to characterize the classes of proteins recognized by patients and determine how they change with disease burden. Our findings further demonstrate the potential of this platform for measuring antigen spread and studying responses to immunomodulatory therapies.
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Affiliation(s)
| | - Tun Lee Ng
- Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Michael A Newton
- Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Jin Zhang
- Medicine, Washington University in Saint Louis, Saint Louis, Missouri, USA
| | | | - Peter S Nelson
- Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Douglas G McNeel
- Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
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Napoletano C, Steentoff C, Battisti F, Ye Z, Rahimi H, Zizzari IG, Dionisi M, Cerbelli B, Tomao F, French D, d’Amati G, Panici PB, Vakhrushev S, Clausen H, Nuti M, Rughetti A. Investigating Patterns of Immune Interaction in Ovarian Cancer: Probing the O-glycoproteome by the Macrophage Galactose-Like C-type Lectin (MGL). Cancers (Basel) 2020; 12:cancers12102841. [PMID: 33019700 PMCID: PMC7600217 DOI: 10.3390/cancers12102841] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/19/2020] [Accepted: 09/29/2020] [Indexed: 12/28/2022] Open
Abstract
Glycosylation, the posttranslational linking of sugar molecules to proteins, is notoriously altered during tumor transformation. More specifically in carcinomas, GalNAc-type O-glycosylation, is characterized by biosynthetically immature truncated glycans present on the cancer cell surface, which profoundly impact anti-tumor immune recognition. The tumor-associated glycan pattern may thus be regarded as a biomarker of immune modulation. In epithelial ovarian cancer (EOC) there is a particular lack of specific biomarkers and molecular targets to aid early diagnosis and develop novel therapeutic interventions. The aim of this study was to investigate the ovarian cancer O-glycoproteome and identify tumor-associated glycoproteins relevant in tumor-dendritic cell (DC) interactions, mediated by macrophage galactose-like C type lectin (MGL), which recognizes the tumor-associated Tn O-glycan. Lectin weak affinity chromatography (LWAC) was employed to probe the O-glycopeptidome by MGL and Vicia villosa agglutinin (VVA) lectin using glycoengineered ovarian cancer cell lines and ovarian cancer tissues as input material. Biochemical and bioinformatics analysis gave information on the glycan arrangement recognized by MGL in tumor cells. The potential MGL binders identified were located, as expected, at the cell membrane, but also within the intracellular compartment and the matrisome, suggesting that MGL in vivo may play a complex role in sensing microenvironmental cues. The tumor glycoproteins binders for MGL may become relevant to characterize the interaction between the immune system and tumor progression and contribute to the design of glycan targeting-based strategies for EOC immunotherapeutic interventions.
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Affiliation(s)
- Chiara Napoletano
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (C.N.); (F.B.); (H.R.); (I.G.Z.); (M.D.)
| | - Catharina Steentoff
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen, Denmark; (C.S.); (Z.Y.); (S.V.); (H.C.)
| | - Federico Battisti
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (C.N.); (F.B.); (H.R.); (I.G.Z.); (M.D.)
| | - Zilu Ye
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen, Denmark; (C.S.); (Z.Y.); (S.V.); (H.C.)
| | - Hassan Rahimi
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (C.N.); (F.B.); (H.R.); (I.G.Z.); (M.D.)
| | - Ilaria Grazia Zizzari
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (C.N.); (F.B.); (H.R.); (I.G.Z.); (M.D.)
| | - Marco Dionisi
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (C.N.); (F.B.); (H.R.); (I.G.Z.); (M.D.)
| | - Bruna Cerbelli
- Department of Radiology, Oncology and Pathology, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (B.C.); (G.d.)
| | - Federica Tomao
- Department of Gynecology-Obstetrics and Urology, “Sapienza” University of Rome, Viale Regina Elena, 324, 00161 Rome, Italy; (F.T.); (P.B.P.)
| | - Deborah French
- Department of Clinical and Molecular Medicine, “Sapienza” University of Rome, Via di Grottarossa 1035, 00189 Rome, Italy;
| | - Giulia d’Amati
- Department of Radiology, Oncology and Pathology, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (B.C.); (G.d.)
| | - Pierluigi Benedetti Panici
- Department of Gynecology-Obstetrics and Urology, “Sapienza” University of Rome, Viale Regina Elena, 324, 00161 Rome, Italy; (F.T.); (P.B.P.)
| | - Sergey Vakhrushev
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen, Denmark; (C.S.); (Z.Y.); (S.V.); (H.C.)
| | - Henrik Clausen
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine and School of Dentistry, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen, Denmark; (C.S.); (Z.Y.); (S.V.); (H.C.)
| | - Marianna Nuti
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (C.N.); (F.B.); (H.R.); (I.G.Z.); (M.D.)
- Correspondence: (M.N.); (A.R.); Tel.: +39-06-4997-3029 (M.N.); +39-06-4997-3025 (A.R.)
| | - Aurelia Rughetti
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; (C.N.); (F.B.); (H.R.); (I.G.Z.); (M.D.)
- Correspondence: (M.N.); (A.R.); Tel.: +39-06-4997-3029 (M.N.); +39-06-4997-3025 (A.R.)
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Rauf F, Anderson KS, LaBaer J. Autoantibodies in Early Detection of Breast Cancer. Cancer Epidemiol Biomarkers Prev 2020; 29:2475-2485. [PMID: 32994341 PMCID: PMC7710604 DOI: 10.1158/1055-9965.epi-20-0331] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/14/2020] [Accepted: 09/24/2020] [Indexed: 02/06/2023] Open
Abstract
In spite of the progress made in treatment and early diagnosis, breast cancer remains a major public health issue worldwide. Although modern image-based screening modalities have significantly improved early diagnosis, around 15% to 20% of breast cancers still go undetected. In underdeveloped countries, lack of resources and cost concerns prevent implementing mammography for routine screening. Noninvasive, low-cost, blood-based markers for early breast cancer diagnosis would be an invaluable alternative that would complement mammography screening. Tumor-specific autoantibodies are excellent biosensors that could be exploited to monitor disease-specific changes years before disease onset. Although clinically informative autoantibody markers for early breast cancer screening have yet to emerge, progress has been made in the development of tools to discover and validate promising autoantibody signatures. This review focuses on the current progress toward the development of autoantibody-based early screening markers for breast cancer.See all articles in this CEBP Focus section, "NCI Early Detection Research Network: Making Cancer Detection Possible."
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Affiliation(s)
- Femina Rauf
- Virginia G. Piper Biodesign Center for Personalized Diagnostics, Biodesign Institute, Arizona State University, Tempe, Arizona
| | - Karen S Anderson
- Virginia G. Piper Biodesign Center for Personalized Diagnostics, Biodesign Institute, Arizona State University, Tempe, Arizona
| | - Joshua LaBaer
- Virginia G. Piper Biodesign Center for Personalized Diagnostics, Biodesign Institute, Arizona State University, Tempe, Arizona.
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32
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Sharma P, Marada VVVR, Cai Q, Kizerwetter M, He Y, Wolf SP, Schreiber K, Clausen H, Schreiber H, Kranz DM. Structure-guided engineering of the affinity and specificity of CARs against Tn-glycopeptides. Proc Natl Acad Sci U S A 2020; 117:15148-15159. [PMID: 32541028 PMCID: PMC7334454 DOI: 10.1073/pnas.1920662117] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The potency of adoptive T cell therapies targeting the cell surface antigen CD19 has been demonstrated in hematopoietic cancers. It has been difficult to identify appropriate targets in nonhematopoietic tumors, but one class of antigens that have shown promise is aberrant O-glycoprotein epitopes. It has long been known that dysregulated synthesis of O-linked (threonine or serine) sugars occurs in many cancers, and that this can lead to the expression of cell surface proteins containing O-glycans comprised of a single N-acetylgalactosamine (GalNAc, known as Tn antigen) rather than the normally extended carbohydrate. Previously, we used the scFv fragment of antibody 237 as a chimeric antigen receptor (CAR) to mediate recognition of mouse tumor cells that bear its cognate Tn-glycopeptide epitope in podoplanin, also called OTS8. Guided by the structure of the 237 Fab:Tn-OTS8-glycopeptide complex, here we conducted a deep mutational scan showing that residues flanking the Tn-glycan contributed significant binding energy to the interaction. Design of 237-scFv libraries in the yeast display system allowed us to isolate scFv variants with higher affinity for Tn-OTS8. Selection with a noncognate human antigen, Tn-MUC1, yielded scFv variants that were broadly reactive with multiple Tn-glycoproteins. When configured as CARs, engineered T cells expressing these scFv variants showed improved activity against mouse and human cancer cell lines defective in O-linked glycosylation. This strategy provides CARs with Tn-peptide specificities, all based on a single scFv scaffold, that allows the same CAR to be tested for toxicity in mice and efficacy against mouse and human tumors.
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Affiliation(s)
- Preeti Sharma
- Department of Biochemistry, Cancer Center, University of Illinois at Urbana-Champaign, Urbana, IL 61801;
| | - Venkata V V R Marada
- Department of Biochemistry, Cancer Center, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Qi Cai
- Department of Biochemistry, Cancer Center, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Monika Kizerwetter
- Department of Biochemistry, Cancer Center, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Yanran He
- Department of Pathology, Committee on Immunology, University of Chicago, Chicago, IL 60637
| | - Steven P Wolf
- Department of Pathology, Committee on Immunology, University of Chicago, Chicago, IL 60637
| | - Karin Schreiber
- Department of Pathology, Committee on Immunology, University of Chicago, Chicago, IL 60637
| | - Henrik Clausen
- Copenhagen Center for Glycomics, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Hans Schreiber
- Department of Pathology, Committee on Immunology, University of Chicago, Chicago, IL 60637
| | - David M Kranz
- Department of Biochemistry, Cancer Center, University of Illinois at Urbana-Champaign, Urbana, IL 61801;
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Pedersen JW, Nøstdal A, Wandall HH. Multiplexed Detection of Autoantibodies to Glycopeptides Using Microarray. Methods Mol Biol 2020; 2024:199-211. [PMID: 31364051 DOI: 10.1007/978-1-4939-9597-4_12] [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: 02/25/2023]
Abstract
Protein microarray is a highly sensitive tool for antibody detection in serum. Monitoring of patients' antibody titers to specific antigens is increasingly employed in the diagnosis of several conditions, ranging from infectious diseases, allergies, autoimmune diseases, and cancer. In this protocol, we present a detailed method for enzymatic generation of disease-specific O-glycopeptides and how to monitor the antibody response to these in serum using microarray technology.
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Affiliation(s)
- Johannes W Pedersen
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Alexander Nøstdal
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Hans H Wandall
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark.
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Profiling of Naturally Occurring Antibodies to the Thomsen-Friedenreich Antigen in Health and Cancer: The Diversity and Clinical Potential. BIOMED RESEARCH INTERNATIONAL 2020; 2020:9747040. [PMID: 32280709 PMCID: PMC7128052 DOI: 10.1155/2020/9747040] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 03/17/2020] [Indexed: 02/07/2023]
Abstract
The Thomsen-Friedenreich (TF) antigen is expressed in a majority of human tumors due to aberrant glycosylation in cancer cells. There is strong evidence that humoral immune response to TF represents an effective mechanism for the elimination of cancer cells that express TF-positive glycoconjugates. The presence of naturally occurring antibodies to tumor-associated TF and cancer-specific changes in their levels, isotype distribution and interrelation, avidity, and glycosylation profile make these Abs a convenient and ubiquitous marker for cancer diagnostics and prognostics. In this review, we attempt to summarize the latest data on the potential of TF-specific Abs for cancer diagnostics and prognostics.
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Impaired O-Glycosylation at Consecutive Threonine TTX Motifs in Mucins Generates Conformationally Restricted Cancer Neoepitopes. Biochemistry 2020; 59:1221-1241. [PMID: 32155332 DOI: 10.1021/acs.biochem.0c00007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Autoantibody signatures of circulating mucin fragments stem from cancer tissues, and microenvironments are promising biomarkers for cancer diagnosis and therapy. This study highlights dynamic epitopes generated by aberrantly truncated immature O-glycosylation at consecutive threonine motifs (TTX) found in mucins and intrinsically disordered proteins (IDPs). NMR analysis of synthetic mucin models having glycosylated TTX motifs and colonic MUC2 tandem repeats (TRs) containing TTP and TTL moieties unveils a general principle that O-glycosylation at TTX motifs generates a highly extended and rigid conformation in IDPs. We demonstrate that the specific conformation of glycosylated TTX motifs in MUC2 TRs is rationally rearranged by concerted motions of multiple dihedral angles and noncovalent interactions between the carbohydrate and peptide region. Importantly, this canonical conformation of glycosylated TTX motifs minimizes steric crowding of glycans attached to threonine residues, in which O-glycans possess restricted orientations permitting further sugar extension. An antiadhesive microarray displaying synthetic MUC2 derivatives elicited the presence of natural autoantibodies to MUC2 with impaired O-glycosylation at TTX motifs in sera of healthy volunteers and patients diagnosed with early stage colorectal cancer (CRC). Interestingly, autoantibody levels in sera of the late stage CRC patients were distinctly lower than those of early stage CRC and normal individuals, indicating that the anti-MUC2 humoral response to MUC2 neoepitopes correlates inversely with the CRC stage of patients. Our results uncovered the structural basis of the creation of dynamic epitopes by immature O-glycosylation at TTX motifs in mucins that facilitates the identification of high-potential targets for cancer diagnosis and therapy.
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Advances in molecular mechanisms of drugs affecting abnormal glycosylation and metastasis of breast cancer. Pharmacol Res 2020; 155:104738. [PMID: 32151681 DOI: 10.1016/j.phrs.2020.104738] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/28/2020] [Accepted: 02/28/2020] [Indexed: 12/27/2022]
Abstract
Breast cancer remains the leading cause of cancer-related death among women worldwide, and its incidence is also increasing. High recurrence rate and metastasis rate are the key causes of poor prognosis and death. It is suggested that abnormal glycosylation plays an important role in the growth, invasion, metastasis and resistance to therapy of breast cancer cells. Meanwhile, it can be used as the biomarkers for the early detection and prognosis of breast cancer and the potential attractive targets for drug treatment. However, only a few attentions have been paid to the molecular mechanism of abnormal glycosylation in the epithelial-mesenchymal transition (EMT) of breast cancer cells and the related intervention of drugs. This manuscript thus investigated the relationship between abnormal glycosylation, the EMT, and breast cancer metastasis. Then, the process of abnormal glycosylation, the classification and their molecular regulatory mechanisms of breast cancer were analyzed in detail. Last, potential drugs are introduced in different categories, which are expected to reverse or intervene the abnormal glycosylation of breast cancer. This review is conducive to an in-depth understanding of the metastasis and drug resistance of breast cancer cells, which will provide new ideas for the clinical regulation of glycosylation and related drug treatments in breast cancer.
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Beckwith DM, Cudic M. Tumor-associated O-glycans of MUC1: Carriers of the glyco-code and targets for cancer vaccine design. Semin Immunol 2020; 47:101389. [PMID: 31926647 DOI: 10.1016/j.smim.2020.101389] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 01/01/2020] [Indexed: 02/07/2023]
Abstract
The transformation from normal to malignant phenotype in human cancers is associated with aberrant cell-surface glycosylation. It has frequently been reported that MUC1, the heavily glycosylated cell-surface mucin, is altered in both, expression and glycosylation pattern, in human carcinomas of the epithelium. The presence of incomplete or truncated glycan structures, often capped by sialic acid, commonly known as tumor-associated carbohydrate antigens (TACAs), play a key role in tumor initiation, progression, and metastasis. Accumulating evidence suggests that expression of TACAs is associated with tumor escape from immune defenses. In this report, we will give an overview of the oncogenic functions of MUC1 that are exerted through TACA interactions with endogenous carbohydrate-binding proteins (lectins). These interactions often lead to creation of a pro-tumor microenvironment, favoring tumor progression and metastasis, and tumor evasion. In addition, we will describe current efforts in the design of cancer vaccines with special emphasis on synthetic MUC1 glycopeptide vaccines. Analysis of the key factors that govern structure-based design of immunogenic MUC1 glycopeptide epitopes are described. The role of TACA type, position, and density on observed humoral and cellular immune responses is evaluated.
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Affiliation(s)
- Donella M Beckwith
- Department of Chemistry and Biochemistry, Charles E. Schmidt College of Science, Florida Atlantic University, 777 Glades Road, Boca Raton, Florida 33431, United States
| | - Maré Cudic
- Department of Chemistry and Biochemistry, Charles E. Schmidt College of Science, Florida Atlantic University, 777 Glades Road, Boca Raton, Florida 33431, United States.
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Martinez JER, Thomas B, Flitsch SL. Glycan Array Technology. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2020; 175:435-456. [PMID: 31907566 DOI: 10.1007/10_2019_112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Glycan (or carbohydrate) arrays have become an essential tool in glycomics, providing fast and high-throughput data on protein-carbohydrate interactions with small amounts of carbohydrate ligands. The general concepts of glycan arrays have been adopted from other microarray technologies such as those used for nucleic acid and proteins. However, carbohydrates have presented their own challenges, in particular in terms of access to glycan probes, linker attachment chemistries and analysis, which will be reviewed in this chapter. As more and more glycan probes have become available through chemical and enzymatic synthesis and robust linker chemistries have been developed, the applications of glycan arrays have dramatically increased over the past 10 years, which will be illustrated with recent examples.
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Affiliation(s)
| | - Baptiste Thomas
- School of Chemistry and MIB, The University of Manchester, Manchester, UK
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39
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Liu J, Xu W, Li S, Sun R, Cheng W. Multi-omics analysis of tumor mutational burden combined with prognostic assessment in epithelial ovarian cancer based on TCGA database. Int J Med Sci 2020; 17:3200-3213. [PMID: 33173439 PMCID: PMC7646107 DOI: 10.7150/ijms.50491] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 10/07/2020] [Indexed: 12/16/2022] Open
Abstract
Background: Tumor mutation burden (TMB) is considered as a novel biomarker of response to immunotherapy and correlated with survival outcomes in various malignancies. Here, TMB-related genes (TRGs) expression signatures were constructed to investigate the association between TMB and prognosis in epithelial ovarian cancer (EOC), and the potential mechanism in immunoregulation was also explored. Methods: Based on somatic mutation data of 436 EOC samples from The Cancer Genome Atlas database, we examined the relationship between TMB level and overall survival (OS), as well as disease-free survival (DFS). Next, the TRGs signatures were constructed and validated. Differential abundance of immune cell infiltration, expression levels of immunomodulators and functional enrichment in high- and low-risk groups were also analyzed. Results: Higher TMB level revealed better OS and DFS, and correlated with earlier clinical stages in EOCs (P = 2.796e-04). The OS-related prognostic model constructed based on seven TRGs (B3GALT1, LIN7B, ANGPT2, D2HGDH, TAF13, PFDN4 and DNAJC19) significantly stratified EOC patients into high- and low-risk groups (P < 0.001). The AUC values of the seven-gene prognostic signature at 1 year, 3 years, and 5 years were 0.703, 0.758 and 0.777. While the DFS-related prognostic model was constructed based on the 4 TRGs (LPIN3, PXYLP1, IGSF23 and B3GALT1), with AUCs of 0.617, 0.756, and 0.731, respectively. Functional analysis indicated that immune-related pathways were enriched in low-risk groups. When considering the infiltration patterns of immune cells, we found higher proportions of follicular helper T (Tfh) cell and M1 macrophage, while lower infiltration of M0 macrophage in low-risk groups (P < 0.05). Accordingly, TMB levels of low-risk patients were significantly higher both in OS and DFS model (P < 0.01). Conclusions: Our TRGs-based models are reliable predictive tools for OS and DFS. High TMB may confer with an immunogenic microenvironment and predict favorable outcomes in EOCs.
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Affiliation(s)
- Jinhui Liu
- Department of Gynecology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
| | - Wei Xu
- Department of Gynecology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
| | - Siyue Li
- Department of Gynecology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
| | - Rui Sun
- Department of Gynecology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
| | - Wenjun Cheng
- Department of Gynecology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
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40
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Abstract
Carbohydrates or glycans and their conjugates are involved in a wide range of biological processes and play an important role in various diseases, including inflammation, viral and bacterial infections, and tumor progression and metastasis. Studying the biological significances of carbohydrates has been challenging due in part to their structural diversity and the limited access to complex carbohydrate-containing molecules. Conventional methods such as isothermal titration calorimetry and enzyme-linked lectin assay can be laborious and require significant amounts of time and materials. The emerging of glycan microarrays as high-throughput technology for studying carbohydrate interactions has overcome some of these challenges, and has greatly contributed to our understanding of the biological roles of carbohydrates and their glycoconjugates. In addition, glycan microarrays offer new applications in biomedical research, drug discovery and development. This chapter will focus on the biomedical applications of glycan microarrays and their potential role in drug discovery and development.
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41
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Tommasone S, Allabush F, Tagger YK, Norman J, Köpf M, Tucker JHR, Mendes PM. The challenges of glycan recognition with natural and artificial receptors. Chem Soc Rev 2019; 48:5488-5505. [PMID: 31552920 DOI: 10.1039/c8cs00768c] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Glycans - simple or complex carbohydrates - play key roles as recognition determinants and modulators of numerous physiological and pathological processes. Thus, many biotechnological, diagnostic and therapeutic opportunities abound for molecular recognition entities that can bind glycans with high selectivity and affinity. This review begins with an overview of the current biologically and synthetically derived glycan-binding scaffolds that include antibodies, lectins, aptamers and boronic acid-based entities. It is followed by a more detailed discussion on various aspects of their generation, structure and recognition properties. It serves as the basis for highlighting recent key developments and technical challenges that must be overcome in order to fully deal with the specific recognition of a highly diverse and complex range of glycan structures.
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Affiliation(s)
- Stefano Tommasone
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
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42
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Blsakova A, Kveton F, Kasak P, Tkac J. Antibodies against aberrant glycans as cancer biomarkers. Expert Rev Mol Diagn 2019; 19:1057-1068. [PMID: 31665948 DOI: 10.1080/14737159.2020.1687295] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Introduction: The review provides a comprehensive overview about applicability of serological detection of autoantibodies against aberrant glycans as cancer biomarkers.Areas covered: Clinical usefulness of autoantibodies as cancer biomarkers is discussed for seven types of cancers with sensitivity and specificity of such biomarkers provided. Moreover, an option of using serological antibodies against a non-natural form of sialic acid - N-glycolylneuraminic acid (Neu5Gc), which is taken into our bodies together with red meat, as a potential cancer biomarker is discussed shortly as well.Expert opinion: In the final part of the review, we discuss what measures need to be applied for selective implementation of autoantibody assays into a clinical practice. Moreover, we discuss key challenges ahead for reliable and robust detection of autoantibodies against aberrant glycans as biomarkers for disease diagnostics and for stratification of cancer patients.
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Affiliation(s)
- Anna Blsakova
- Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Filip Kveton
- Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Peter Kasak
- Center for Advanced Materials, Qatar University, Doha, Qatar
| | - Jan Tkac
- Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia
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43
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Zhang X, Ding H, Lu Z, Ding L, Song Y, Jing Y, Hu Q, Dong Y, Ni Y. Increased LGALS3BP promotes proliferation and migration of oral squamous cell carcinoma via PI3K/AKT pathway. Cell Signal 2019; 63:109359. [PMID: 31302247 DOI: 10.1016/j.cellsig.2019.109359] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/04/2019] [Accepted: 07/10/2019] [Indexed: 12/18/2022]
Abstract
Previous studies showed that lectin galactoside-binding soluble 3 binding protein (LGALS3BP) is an important participant in tumor progression. However, its prognostic value and functional mechanism in oral squamous cell carcinoma (OSCC) are still unclear. In this study, we analyzed LGALS3BP expression in OSCC tissues via Oncomine databases and immunohistochemical staining. LGALS3BP was significantly up-regulated in OSCC tumor tissues. IHC analysis showed that LGALS3BP was predominantly expressed in tumor cells and correlated with poor clinical characteristics. In addition, high LGALS3BP expression predicted poor clinical outcomes and multivariate analysis revealed that LGALS3BP expression was as an independent prognostic factor for OS, DFS and RFS (p < .0001, p = .002, p = .002). Mechanically, LGALS3BP regulated OSCC proliferation and migration via PI3K/AKT pathways, which was abrogated by PI3K inhibitor LY294002 in a dose-dependent manner. Our results suggested that LGALS3BP could be served as a novel independent prognostic factor as well as a potential therapeutic target for OSCC treatment.
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Affiliation(s)
- Xiaoxin Zhang
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Haoyue Ding
- Department of Oral and Maxillofacial Surgery, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Zhanyi Lu
- Department of Oral and Maxillofacial Surgery, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Liang Ding
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yuxian Song
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yue Jing
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Qingang Hu
- Department of Oral and Maxillofacial Surgery, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yingchun Dong
- Department of Anesthesiology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing 210008, China.
| | - Yanhong Ni
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China.
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Role of keratan sulfate expression in human pancreatic cancer malignancy. Sci Rep 2019; 9:9665. [PMID: 31273306 PMCID: PMC6609602 DOI: 10.1038/s41598-019-46046-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 06/21/2019] [Indexed: 01/15/2023] Open
Abstract
Keratan sulfate (KS) is a sulfated linear polymer of N-acetyllactosamine. Proteoglycans carrying keratan sulfate epitopes were majorly observed in cornea, cartilage and brain; and mainly involved in embryonic development, cornea transparency, and wound healing process. Recently, expression of KS in cancer has been shown to be highly associated with advanced tumor grade and poor prognosis. Therefore, we aimed to identify the expression of KS epitope in human pancreatic cancer primary and metastatic tumor lesions. Immunohistochemical analysis of KS expression was performed on primary pancreatic tumors and metastatic tissues. We observed an increased expression of KS epitope on primary tumor tissues compared to uninvolved normal and tumor stroma; and is associated with worse overall survival. Moreover, lung metastatic tumors show a higher-level expression of KS compared to primary tumors. Interestingly, KS biosynthesis specific glycosyltransferases expression was differentially regulated in metastatic pancreatic tumors. Taken together, these results indicate that aberrant expression of KS is predictive of pancreatic cancer progression and metastasis and may serve as a novel prognostic biomarker for pancreatic cancer.
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Poiroux G, Barre A, Rougé P, Benoist H. Targeting Glycosylation Aberrations to Improve the Efficiency of Cancer Phototherapy. Curr Cancer Drug Targets 2019; 19:349-359. [DOI: 10.2174/1568009618666180628101059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/12/2018] [Accepted: 06/01/2018] [Indexed: 12/13/2022]
Abstract
The use of photodynamic therapy in cancer still remains limited, partly because of the lack of photosensitizer (PS) specificity for the cancerous tissues. Various molecular tools are available to increase PS efficiency by targeting the cancer cell molecular alterations. Most strategies use the protein-protein interactions, e.g. monoclonal antibodies directed toward tumor antigens, such as HER2 or EGFR. An alternative could be the targeting of the tumor glycosylation aberrations, e.g. T/Tn antigens that are truncated O-glycans over-expressed in numerous tumors. Thus, to achieve an effective targeting, PS can be conjugated to molecules that specifically recognize the Oglycosylation aberrations at the cancer cell surface.
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Affiliation(s)
- Guillaume Poiroux
- Universite de Toulouse, CRCT, INSERM UMR 1037, 2 Avenue Hubert Curien, 31037 Toulouse, France
| | - Annick Barre
- Universite de Toulouse, Pharma-Dev, Institut de Recherche pour le Developpement (IRD) UMR 152, Faculte des Sciences Pharmaceutiques, F-31062 Toulouse, Cedex 09, France
| | - Pierre Rougé
- Universite de Toulouse, Pharma-Dev, Institut de Recherche pour le Developpement (IRD) UMR 152, Faculte des Sciences Pharmaceutiques, F-31062 Toulouse, Cedex 09, France
| | - Hervé Benoist
- Universite de Toulouse, Pharma-Dev, Institut de Recherche pour le Developpement (IRD) UMR 152, Faculte des Sciences Pharmaceutiques, F-31062 Toulouse, Cedex 09, France
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Steentoft C, Fuhrmann M, Battisti F, Van Coillie J, Madsen TD, Campos D, Halim A, Vakhrushev SY, Joshi HJ, Schreiber H, Mandel U, Narimatsu Y. A strategy for generating cancer-specific monoclonal antibodies to aberrant O-glycoproteins: identification of a novel dysadherin-Tn antibody. Glycobiology 2019; 29:307-319. [PMID: 30726901 PMCID: PMC6430981 DOI: 10.1093/glycob/cwz004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/18/2019] [Accepted: 01/24/2019] [Indexed: 12/25/2022] Open
Abstract
Successful application of potent antibody-based T-cell engaging immunotherapeutic strategies is currently limited mainly to hematological cancers. One major reason is the lack of well-characterized antigens on solid tumors with sufficient cancer specific expression. Aberrantly O-glycosylated proteins contain promising cancer-specific O-glycopeptide epitopes suitable for immunotherapeutic applications, but currently only few examples of such antibody epitopes have been identified. We previously showed that chimeric antigen receptor T-cells directed towards aberrantly O-glycosylated MUC1 can control malignant growth in a mouse model. Here, we present a discovery platform for the generation of cancer-specific monoclonal antibodies targeting aberrant O-glycoproteins. The strategy is based on cancer cell lines engineered to homogeneously express the truncated Tn O-glycoform, the so-called SimpleCells. We used SimpleCells of different cancer origin to elicit monoclonal antibodies with selectivity for aberrant O-glycoproteins. For validation we selected and characterized one monoclonal antibody (6C5) directed to a Tn-glycopeptide in dysadherin (FXYD5), known to be upregulated in cancer and promote metastasis. While dysadherin is widely expressed also in normal cells, we demonstrated that the 6C5 epitope is specifically expressed in cancer.
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Affiliation(s)
- Catharina Steentoft
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Max Fuhrmann
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Federico Battisti
- Department of Experimental Medicine, “Sapienza” University of Rome, Viale Regina Elena 324 Rome, Italy
| | - Julie Van Coillie
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Thomas D Madsen
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Diana Campos
- Instituto de Investigação e Inovação e Saúde, Universidade do Porto, Rua Júlio Amaral de Carvalho 45, Porto, Portugal
- IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto, Rua Júlio Amaral de Carvalho 45, Porto, Portugal
| | - Adnan Halim
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Sergey Y Vakhrushev
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Hiren J Joshi
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Hans Schreiber
- Department of Pathology, Committee on Immunology, Committee on Cancer Biology, The University of Chicago, 5841 S. Maryland Avenue, Chicago, IL, USA
| | - Ulla Mandel
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
| | - Yoshiki Narimatsu
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N, Denmark
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Hossain MK, Vartak A, Sucheck SJ, Wall KA. Liposomal Fc Domain Conjugated to a Cancer Vaccine Enhances Both Humoral and Cellular Immunity. ACS OMEGA 2019; 4:5204-5208. [PMID: 30949616 PMCID: PMC6441943 DOI: 10.1021/acsomega.9b00029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 02/27/2019] [Indexed: 06/09/2023]
Abstract
Targeted delivery of antigens to antigen-presenting cells (APCs) by utilizing natural anticarbohydrate antibodies is a promising approach for selective uptake and enhanced antigen presentation. Previously, we reported that in the presence of a natural antibody, anti-rhamnose antibody (anti-Rha), the bacterial sugar rhamnose conjugated with liposomal cancer antigen MUC1-Tn enhances antigen presentation by APCs such as dendritic cells by targeting Fc gamma receptors. The idea was to utilize the natural human anti-Rha antibodies present in human serum for targeted delivery of cancer-specific antigens. Recently, we found that the IgG3 antibody isotype was the most prevalent anti-Rha antibody generated in mice immunized with rhamnose-Ficoll (Rha-Ficoll) antigen. In this manuscript, we have conjugated the murine IgG3-Fc with a MUC1-containing cancer vaccine and compared the humoral and cellular immune response to this vaccine with one targeted via the human anti-Rha antibody and to the MUC1 vaccine alone. This Fc approach enhanced antibody production and T-cell proliferation almost to the same level as using the anti-Rha antibody. These results suggest that targeting Fc directly to dendritic cells can be an alternative approach to human anti-Rha for generating effective antigen-primed T-cells.
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Affiliation(s)
- Md Kamal Hossain
- Department
of Medicinal and Biological Chemistry and Department of Chemistry and Biochemistry, University of Toledo, Toledo, Ohio 43606, United States
| | - Abhishek Vartak
- Department
of Medicinal and Biological Chemistry and Department of Chemistry and Biochemistry, University of Toledo, Toledo, Ohio 43606, United States
| | - Steven J. Sucheck
- Department
of Medicinal and Biological Chemistry and Department of Chemistry and Biochemistry, University of Toledo, Toledo, Ohio 43606, United States
| | - Katherine A. Wall
- Department
of Medicinal and Biological Chemistry and Department of Chemistry and Biochemistry, University of Toledo, Toledo, Ohio 43606, United States
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Abstract
The varied landscape of the adaptive immune response is determined by the peptides presented by immune cells, derived from viral or microbial pathogens or cancerous cells. The study of immune biomarkers or antigens is not new, and classical methods such as agglutination, enzyme-linked immunosorbent assay, or Western blotting have been used for many years to study the immune response to vaccination or disease. However, in many of these traditional techniques, protein or peptide identification has often been the bottleneck. Recent progress in genomics and mass spectrometry have led to many of the rapid advances in proteomics approaches. Immunoproteomics describes a rapidly growing collection of approaches that have the common goal of identifying and measuring antigenic peptides or proteins. This includes gel-based, array-based, mass spectrometry-based, DNA-based, or in silico approaches. Immunoproteomics is yielding an understanding of disease and disease progression, vaccine candidates, and biomarkers. This review gives an overview of immunoproteomics and closely related technologies that are used to define the full set of protein antigens targeted by the immune system during disease.
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Affiliation(s)
- Kelly M Fulton
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON, Canada
| | - Isabel Baltat
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON, Canada
| | - Susan M Twine
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON, Canada.
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Steentoft C, Migliorini D, King TR, Mandel U, June CH, Posey AD. Glycan-directed CAR-T cells. Glycobiology 2018; 28:656-669. [PMID: 29370379 DOI: 10.1093/glycob/cwy008] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/20/2018] [Indexed: 02/07/2023] Open
Abstract
Cancer immunotherapy is rapidly advancing in the treatment of a variety of hematopoietic cancers, including pediatric acute lymphoblastic leukemia and diffuse large B cell lymphoma, with chimeric antigen receptor (CAR)-T cells. CARs are genetically encoded artificial T cell receptors that combine the antigen specificity of an antibody with the machinery of T cell activation. However, implementation of CAR technology in the treatment of solid tumors has been progressing much slower. Solid tumors are characterized by a number of challenges that need to be overcome, including cellular heterogeneity, immunosuppressive tumor microenvironment (TME), and, in particular, few known cancer-specific targets. Post-translational modifications that differentially occur in malignant cells generate valid cell surface, cancer-specific targets for CAR-T cells. We previously demonstrated that CAR-T cells targeting an aberrant O-glycosylation of MUC1, a common cancer marker associated with changes in cell adhesion, tumor growth and poor prognosis, could control malignant growth in mouse models. Here, we discuss the field of glycan-directed CAR-T cells and review the different classes of antibodies specific for glycan-targeting, including the generation of high affinity O-glycopeptide antibodies. Finally, we discuss historic and recently investigated glycan targets for CAR-T cells and provide our perspective on how targeting the tumor glycoproteome and/or glycome will improve CAR-T immunotherapy.
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Affiliation(s)
- Catharina Steentoft
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Denis Migliorini
- Center of Cellular Immunotherapies, Abramson Cancer Center and the Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Tiffany R King
- Center of Cellular Immunotherapies, Abramson Cancer Center and the Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ulla Mandel
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Carl H June
- Center of Cellular Immunotherapies, Abramson Cancer Center and the Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Avery D Posey
- Center of Cellular Immunotherapies, Abramson Cancer Center and the Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Peng Y, Lin H, Han M, Li L. Serum carbohydrate antigen 153 and renal function in patients with type 2 diabetes mellitus. J Clin Lab Anal 2018; 32:e22461. [PMID: 29701319 PMCID: PMC6816901 DOI: 10.1002/jcla.22461] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Accepted: 04/04/2018] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE The aim of our study was to investigate the correlation between serum carbohydrate antigen 153 (CA153) and renal function in patients with type 2 diabetes mellitus (T2DM). METHODS A total of 184 patients with T2DM were included, and renal function was assessed by the modification of diet in renal disease (MDRD) formula adjusted coefficient of the Chinese people. RESULTS Serum CA153 concentrations were positively correlated with blood glucose (BG) and glycated hemoglobin (HbA1c) (r = .204, P = .005; r = .165, P = .025) in patients with T2DM. There was a negative correlation between serum CA153 and estimated glomerular filtration rate (GFR) (r = -.229, P = .002) in whole patients with T2DM; similarly, the correlations were observed in both women and men (r = -.228, P = .028 for women, r = -.231, P = .028 for men). Multiple linear regression analysis suggested that serum CA153 was still significantly correlated with estimated GFR (beta = -0.286, P < .001). CONCLUSIONS Serum CA153 is negatively correlated with estimated GFR in patients with T2DM, and serum CA153 may be a potentially useful clinical biomarker to assess renal function in the study population.
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Affiliation(s)
- You‐Fan Peng
- Department of EndocrinologyZhongda HospitalSchool of MedicineSoutheast UniversityNanjingChina
| | - Hao Lin
- Department of Clinical Science and ResearchZhongda HospitalSchool of MedicineSoutheast UniversityNanjingChina
| | - Man‐Man Han
- Department of EndocrinologyZhongda HospitalSchool of MedicineSoutheast UniversityNanjingChina
| | - Ling Li
- Department of EndocrinologyZhongda HospitalSchool of MedicineSoutheast UniversityNanjingChina
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