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Niveau C, Sosa Cuevas E, Saas P, Aspord C. Glycans in melanoma: Drivers of tumour progression but sweet targets to exploit for immunotherapy. Immunology 2024; 173:33-52. [PMID: 38742251 DOI: 10.1111/imm.13801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Accepted: 05/03/2024] [Indexed: 05/16/2024] Open
Abstract
Aberrant glycosylation recently emerged as an unmissable hallmark of cancer progression in many cancers. In melanoma, there is growing evidence that the tumour 'glycocode' plays a major role in promoting cell proliferation, invasion, migration, but also dictates the nature of the immune infiltrate, which strongly affects immune cell function, and clinical outcome. Aberrant glycosylation patterns dismantle anti-tumour defence through interactions with lectins on immune cells, which are crucial to shape anti-tumour immunity but also to trigger immune evasion. The glycan/lectin axis represents a new immune subversion pathway that is exploited by melanoma to hijack immune cells and escape from immune control. In this review, we describe the glycosylation features of melanoma tumour cells, and further gather findings related to the role of glycosylation in melanoma tumour progression, deciphering in detail its impact on immunity. We also depict glycan-based strategies aiming at restoring a functional anti-tumour response in melanoma patients. Glycans/lectins emerge as key immune checkpoints with promising translational properties. Exploitation of these pathways could reshape potent anti-tumour immunity while impeding immunosuppressive circuits triggered by aberrant tumour glycosylation patterns, holding great promise for cancer therapy.
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Affiliation(s)
- Camille Niveau
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- Etablissement Français du Sang Auvergne-Rhône-Alpes, R&D Laboratory, Grenoble, France
| | - Eleonora Sosa Cuevas
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- Etablissement Français du Sang Auvergne-Rhône-Alpes, R&D Laboratory, Grenoble, France
| | - Philippe Saas
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- Etablissement Français du Sang Auvergne-Rhône-Alpes, R&D Laboratory, Grenoble, France
| | - Caroline Aspord
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- Etablissement Français du Sang Auvergne-Rhône-Alpes, R&D Laboratory, Grenoble, France
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Niveau C, Sosa Cuevas E, Roubinet B, Pezet M, Thépaut M, Mouret S, Charles J, Fieschi F, Landemarre L, Chaperot L, Saas P, Aspord C. Melanoma tumour-derived glycans hijack dendritic cell subsets through C-type lectin receptor binding. Immunology 2024; 171:286-311. [PMID: 37991344 DOI: 10.1111/imm.13717] [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: 07/07/2023] [Accepted: 10/31/2023] [Indexed: 11/23/2023] Open
Abstract
Dendritic cell (DC) subsets play a crucial role in shaping anti-tumour immunity. Cancer escapes from the control immune system by hijacking DC functions. Yet, bases for such subversion are only partially understood. Tumour cells display aberrant glycan motifs on surface glycoproteins and glycolipids. Such carbohydrate patterns can be sensed by DCs through C-type lectin receptors (CLRs) that are critical to shape and orientate immune responses. We recently demonstrated that melanoma tumour cells harboured an aberrant 'glyco-code,' and that circulating and tumour-infiltrating DCs from melanoma patients displayed major perturbations in their CLR profiles. To decipher whether melanoma, through aberrant glycan patterns, may exploit CLR pathways to mislead DCs and evade immune control, we explored the impact of glycan motifs aberrantly found in melanoma (neoglycoproteins [NeoGP] functionalised with Gal, Man, GalNAc, s-Tn, fucose [Fuc] and GlcNAc residues) on features of human DC subsets (cDC2s, cDC1s and pDCs). We examined the ability of glycans to bind to purified DCs, and assessed their impact on DC basal properties and functional features using flow cytometry, confocal microscopy and multiplex secreted protein analysis. DC subsets differentially bound and internalised NeoGP depending on the nature of the glycan. Strikingly, Fuc directly remodelled the expression of activation markers and immune checkpoints, as well as the cytokine/chemokine secretion profile of DC subsets. NeoGP interfered with Toll like receptor (TLR)-signalling and pre-conditioned DCs to exhibit an altered response to subsequent TLR stimulation, dampening antitumor mediators while triggering pro-tumoral factors. We further demonstrated that DC subsets can bind NeoGP through CLRs, and identified GalNAc/MGL and s-Tn/ C-type lectin-like receptor 2 (CLEC2) as potential candidates. Moreover, DC dysfunction induced by tumour-associated carbohydrate molecules may be reversed by interfering with the glycan/CLR axis. These findings revealed the glycan/CLR axis as a promising checkpoint to exploit in order to reshape potent antitumor immunity while impeding immunosuppressive pathways triggered by aberrant tumour glycosylation patterns. This may rescue DCs from tumour hijacking and improve clinical success in cancer patients.
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Affiliation(s)
- Camille Niveau
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- R&D Laboratory, Etablissement Français du Sang Auvergne-Rhône-Alpes, Grenoble, France
| | - Eleonora Sosa Cuevas
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- R&D Laboratory, Etablissement Français du Sang Auvergne-Rhône-Alpes, Grenoble, France
| | | | - Mylène Pezet
- Institute for Advanced Biosciences, Plateforme de Microscopie Photonique-Imagerie Cellulaire et Cytométrie en Flux (Microcell), Inserm U1209-CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
| | - Michel Thépaut
- Institut de Biologie Structurale, Université Grenoble Alpes, CNRS, CEA, Grenoble, France
| | - Stéphane Mouret
- Dermatology, Allergology & Photobiology Department, CHU Grenoble Alpes, Université Grenoble Alpes, Grenoble, France
| | - Julie Charles
- Dermatology, Allergology & Photobiology Department, CHU Grenoble Alpes, Université Grenoble Alpes, Grenoble, France
| | - Franck Fieschi
- Institut de Biologie Structurale, Université Grenoble Alpes, CNRS, CEA, Grenoble, France
- Institut Universitaire de France (IUF), Paris, France
| | | | - Laurence Chaperot
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- R&D Laboratory, Etablissement Français du Sang Auvergne-Rhône-Alpes, Grenoble, France
| | - Philippe Saas
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- R&D Laboratory, Etablissement Français du Sang Auvergne-Rhône-Alpes, Grenoble, France
| | - Caroline Aspord
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling & Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France
- R&D Laboratory, Etablissement Français du Sang Auvergne-Rhône-Alpes, Grenoble, France
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3
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Sosa Cuevas E, Roubinet B, Mouret S, Thépaut M, de Fraipont F, Charles J, Fieschi F, Landemarre L, Chaperot L, Aspord C. The melanoma tumor glyco-code impacts human dendritic cells' functionality and dictates clinical outcomes. Front Immunol 2023; 14:1120434. [PMID: 36891308 PMCID: PMC9986448 DOI: 10.3389/fimmu.2023.1120434] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 02/01/2023] [Indexed: 02/22/2023] Open
Abstract
Subversion of immunity is a hallmark of cancer development. Dendritic cells (DCs) are strategic immune cells triggering anti-tumor immune responses, but tumor cells exploit their versatility to subvert their functions. Tumor cells harbor unusual glycosylation patterns, which can be sensed through glycan-binding receptors (lectins) expressed by immune cells that are crucial for DCs to shape and orientate antitumor immunity. Yet, the global tumor glyco-code and its impact on immunity has not been explored in melanoma. To decrypt the potential link between aberrant glycosylation patterns and immune evasion in melanoma, we investigated the melanoma tumor glyco-code through the GLYcoPROFILE™ methodology (lectin arrays), and depicted its impact on patients' clinical outcome and DC subsets' functionality. Specific glycan patterns correlated with clinical outcome of melanoma patients, GlcNAc, NeuAc, TF-Ag and Fuc motifs being associated with poor outcome, whereas Man and Glc residues elicited better survival. Strikingly, tumor cells differentially impacting cytokine production by DCs harbored distinct glyco-profiles. GlcNAc exhibited a negative influence on cDC2s, whereas Fuc and Gal displayed inhibitory impacts on cDC1s and pDCs. We further identified potential booster glycans for cDC1s and pDCs. Targeting specific glycans on melanoma tumor cells restored DCs' functionality. The tumor glyco-code was also linked to the nature of the immune infiltrate. This study unveils the impact of melanoma glycan patterns on immunity, and paves the way for innovative therapeutic options. Glycans/lectins interactions arise as promising immune checkpoints to rescue DCs from tumor' hijacking to reshape antitumor immunity and inhibit immunosuppressive circuits triggered by aberrant tumor glycosylation.
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Affiliation(s)
- Eleonora Sosa Cuevas
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling and Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France.,Etablissement Français du Sang Auvergne-Rhône-Alpes, R&D Laboratory, Grenoble, France
| | | | - Stephane Mouret
- Dermatology, Allergology and Photobiology Department, CHU Grenoble Alpes, Grenoble, France
| | - Michel Thépaut
- Université Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale, Grenoble, France
| | - Florence de Fraipont
- Medical Unit of Molecular Genetic (Hereditary Diseases and Oncology), Grenoble University Hospital, Grenoble, France
| | - Julie Charles
- Dermatology, Allergology and Photobiology Department, CHU Grenoble Alpes, Grenoble, France
| | - Franck Fieschi
- Université Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale, Grenoble, France.,Institut Universitaire de France (IUF), Paris, France
| | | | - Laurence Chaperot
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling and Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France.,Etablissement Français du Sang Auvergne-Rhône-Alpes, R&D Laboratory, Grenoble, France
| | - Caroline Aspord
- Institute for Advanced Biosciences, Team: Epigenetics, Immunity, Metabolism, Cell Signaling and Cancer, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, Grenoble, France.,Etablissement Français du Sang Auvergne-Rhône-Alpes, R&D Laboratory, Grenoble, France
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The T/Tn-Specific Helix pomatia Lectin Induces Cell Death in Lymphoma Cells Negative for T/Tn Antigens. Cancers (Basel) 2021; 13:cancers13174356. [PMID: 34503166 PMCID: PMC8431231 DOI: 10.3390/cancers13174356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Changes in glycosylation, such as incomplete synthesis and higher density of O-glycans on the cell surface, are frequently observed in cancer cells. Several types of truncated O-glycan structures, e.g., T/Tn antigens, are suspected to disrupt molecular interactions between tumor microenvironment and immune cells, for instance, facilitating cancer immune-escape. Therefore, numerous exogenous lectins targeting aberrant O-glycans are interesting tools for cancer diagnosis, prognosis, and therapy. However, the ability of exolectins to detect subtle alterations in the glycome of tumor cells and to interfere in tumor/healthy cell interactions remains largely unknown. The present article reports for the first time that the Helix pomatia (HPA) lectin, a well-known T/Tn-specific lectin, currently used as a tool in cancer diagnostics, kills Tn-positive leukemia cells and Tn-negative lymphoma cells but does not affect healthy lymphocytes. Thus, HPA could be used to discriminate between tumor and healthy cells, and detect subtle alterations in the glycosylation profile. Abstract Morniga G is a T/Tn-specific lectin, inducing cell death in Tn-positive leukemias but not in healthy lymphocytes. Helix pomatia lectin (HPA) is another T/Tn-specific lectin, currently used as tool for cancer diagnostics. The HPA-mediated tumor cell death was evaluated on human leukemia and mouse lymphoma cells, and compared to the effect of Morniga G. Both lectins induced an equivalent percentage of cell death in Tn-positive Jurkat human leukemia. In contrast, EL4 mouse lymphoma resisted Morniga G-mediated cytotoxicity but were killed by HPA at concentrations of 2.5 μg/mL (0.032 nM) and higher. In both malignant cells, HPA-mediated cell death showed features compatible with apoptosis (annexin-externalization, caspase-activation, mitochondrial membrane depolarization, and ROS production). Cytometry analysis indicated that EL4 cells are T/Tn-negative. Because previous results showed a high amount of N-acetylgalactosamine (GalNAc, sugar present in Tn antigen) on EL4 cell surface, this GalNAc could be involved in the formation of truncated O-glycans other than the T/Tn residues. When compared to Morniga G, bioinformatic analysis suggested that HPA benefits from an extended carbohydrate-binding site, better adapted than Morniga G to the accommodation of more complex branched and truncated O-glycans (such as core 2). Finally, HPA killed EL4 cells but not healthy lymphocytes in a mixture of lymphoma cells + lymphocytes, suggesting that HPA selectively triggers tumor cell death.
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The Role of Glycosylation in Melanoma Progression. Cells 2021; 10:cells10082136. [PMID: 34440905 PMCID: PMC8393314 DOI: 10.3390/cells10082136] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 01/06/2023] Open
Abstract
Malignant melanoma is the most aggressive form of skin cancer, which originates from the malignant transformation of melanocytes, the melanin-producing cells of the skin. Melanoma progression is typically described as a stepwise process in which metastasis formation ensues late during disease. A large body of evidence has shown that the accumulation of genetic and epigenetic alterations drives melanoma progression through the different steps. Mortality in melanoma is associated with metastatic disease. Accordingly, early-stage melanoma can be cured in the majority of cases by surgical excision, while late-stage melanoma is a highly lethal disease. Glycosylation is a post-translational modification that involves the transfer of glycosyl moieties to specific amino acid residues of proteins to form glycosidic bonds through the activity of glycosyltransferases. Aberrant glycosylation is considered a hallmark of cancer as it occurs in the majority of tumor types, including melanoma. The most widely occurring glycosylation changes in melanoma are represented by sialylation, fucosylation, and N- and I-glycan branching. In this review, we discuss the role of glycosylation in melanoma and provide insights on the mechanisms by which aberrant glycosylation promotes melanoma progression through activation of invasion and metastasis, immune evasion and cell proliferation.
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Tsakanova G, Ayvazyan V, Arakelova E, Ayvazyan A, Tatikyan S, Djavadovna L, Babayan N, Grigoryan R, Sargsyan N, Arakelyan A. Helix pomatia albumen gland water soluble protein extract as powerful antiaging agent. Exp Gerontol 2021; 146:111244. [PMID: 33454353 DOI: 10.1016/j.exger.2021.111244] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 12/01/2022]
Abstract
Accounting for increasingly developed population aging and dramatic elevation of aging-related severe disorders worldwide, search of the efficient antiaging agents is becoming one of the urgent problems of contemporary biomedical science. The aim of current study was to reveal the potential protective effects of water-soluble proteins extracted from albumen gland of snails against aging processes. We evaluated the antioxidant effect of the extract in 20 older adult rats in vivo and on 60 human blood samples ex vivo at the cellular level under physiological and oxidative stress conditions using the methods of spectrophotometric analysis, two-photon imaging and cell viability assay. The in vivo animal experiments showed significant increase in the levels of catalase and superoxide dismutase in treated older adult rats, compared to non-treated group. The ex vivo studies involving three human groups (young, middle aged and older adult), demonstrated that the extract has no effect on the cell viability, moreover significantly increases the number of erythrocytes, decreases age-related oxidative stress and the percentage of hemolysis of erythrocytes by aging. Thus, the snails albumen gland protein extract can be considered as effective natural antioxidative antiaging agent in prevention of aging-related pathological processes associated with oxidative stress.
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Affiliation(s)
- Gohar Tsakanova
- Institute of Molecular Biology NAS, RA, Yerevan, Armenia; CANDLE Synchrotron Research Institute, Yerevan, Armenia.
| | | | | | - Anna Ayvazyan
- CANDLE Synchrotron Research Institute, Yerevan, Armenia
| | | | | | - Nelly Babayan
- Institute of Molecular Biology NAS, RA, Yerevan, Armenia; Yerevan State University, Yerevan, Armenia
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Arend P. Early ovariectomy reveals the germline encoding of natural anti-A- and Tn-cross-reactive immunoglobulin M (IgM) arising from developmental O-GalNAc glycosylations. (Germline-encoded natural anti-A/Tn cross-reactive IgM). Cancer Med 2017; 6:1601-1613. [PMID: 28580709 PMCID: PMC5504323 DOI: 10.1002/cam4.1079] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 02/26/2017] [Accepted: 03/24/2017] [Indexed: 01/02/2023] Open
Abstract
While native blood group A-like glycans have not been demonstrated in prokaryotic microorganisms as a source of human "natural" anti-A isoagglutinin production, and metazoan eukaryotic N-acetylgalactosamine O-glycosylation of serine or threonine residues (O-GalNAc-Ser/Thr-R) does not occur in bacteria, the O-GalNAc glycan-bearing ovarian glycolipids, discovered in C57BL/10 mice, are complementary to the syngeneic anti-A-reactive immunoglobulin M (IgM), which is not present in animals that have undergone ovariectomy prior to the onset of puberty. These mammalian ovarian glycolipids are complementary also to the anti-A/Tn cross-reactive Helix pomatia agglutinin (HPA), a molluscan defense protein, emerging from the coat proteins of fertilized eggs and reflecting the snail-intrinsic, reversible O-GalNAc glycosylations. The hexameric structure of this primitive invertebrate defense protein gives rise to speculation regarding an evolutionary relationship to the mammalian nonimmune, anti-A-reactive immunoglobulin M (IgM) molecule. Hypothetically, this molecule obtains its complementarity from the first step of protein glycosylations, initiated by GalNAc via reversible O-linkages to peptides displaying Ser/Thr motifs, whereas the subsequent transferase depletion completes germ cell maturation and cell renewal, associated with loss of glycosidic bonds and release of O-glycan-depleted proteins, such as complementary IgM revealing the structure of the volatilely expressed "lost" glycan carrier through germline Ser residues. Consequently, the evolutionary/developmental first glycosylations of proteins appear metabolically related or identical to that of the mucin-type, potentially "aberrant" monosaccharide GalNAcα1-O-Ser/Thr-R, also referred to as the Tn (T "nouvelle") antigen, and explain the anti-Tn cross-reactivity of human innate or "natural" anti-A-specific isoagglutinin and the pronounced occurrence of cross-reactive anti-Tn antibody in plasma from humans with histo-blood group O. In fact, A-allelic, phenotype-specific GalNAc glycosylation of plasma proteins does not occur in human blood group O, affecting anti-Tn antibody levels, which may function as a growth regulator that contributes to a potential survival advantage of this group in the overall risk of developing cancer when compared with non-O blood groups.
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Affiliation(s)
- Peter Arend
- Philipps University MarburgDepartment of MedicineD‐355 Marburg/Lahn, Germany
- Gastroenterology Research LaboratoryUniversity of Iowa, College of MedicineIowa CityIowa
- Research LaboratoriesChemie Grünenthal GmbHD‐52062AachenGermany
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Coelho LCBB, Silva PMDS, Lima VLDM, Pontual EV, Paiva PMG, Napoleão TH, Correia MTDS. Lectins, Interconnecting Proteins with Biotechnological/Pharmacological and Therapeutic Applications. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2017; 2017:1594074. [PMID: 28367220 PMCID: PMC5359455 DOI: 10.1155/2017/1594074] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 01/21/2017] [Accepted: 02/06/2017] [Indexed: 11/18/2022]
Abstract
Lectins are proteins extensively used in biomedical applications with property to recognize carbohydrates through carbohydrate-binding sites, which identify glycans attached to cell surfaces, glycoconjugates, or free sugars, detecting abnormal cells and biomarkers related to diseases. These lectin abilities promoted interesting results in experimental treatments of immunological diseases, wounds, and cancer. Lectins obtained from virus, microorganisms, algae, animals, and plants were reported as modulators and tool markers in vivo and in vitro; these molecules also play a role in the induction of mitosis and immune responses, contributing for resolution of infections and inflammations. Lectins revealed healing effect through induction of reepithelialization and cicatrization of wounds. Some lectins have been efficient agents against virus, fungi, bacteria, and helminths at low concentrations. Lectin-mediated bioadhesion has been an interesting characteristic for development of drug delivery systems. Lectin histochemistry and lectin-based biosensors are useful to detect transformed tissues and biomarkers related to disease occurrence; antitumor lectins reported are promising for cancer therapy. Here, we address lectins from distinct sources with some biological effect and biotechnological potential in the diagnosis and therapeutic of diseases, highlighting many advances in this growing field.
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Affiliation(s)
| | - Priscila Marcelino dos Santos Silva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitária, 50.670-901 Recife, PE, Brazil
| | - Vera Lúcia de Menezes Lima
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitária, 50.670-901 Recife, PE, Brazil
| | - Emmanuel Viana Pontual
- Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Rua Dom Manuel de Medeiros, s/n, Dois Irmãos, 52171-900 Recife, PE, Brazil
| | - Patrícia Maria Guedes Paiva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitária, 50.670-901 Recife, PE, Brazil
| | - Thiago Henrique Napoleão
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitária, 50.670-901 Recife, PE, Brazil
| | - Maria Tereza dos Santos Correia
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitária, 50.670-901 Recife, PE, Brazil
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Wolters-Eisfeld G, Schumacher U. Lectin Histochemistry for Metastasizing and Non-metastasizing Cancer Cells. Methods Mol Biol 2017; 1560:121-132. [PMID: 28155149 DOI: 10.1007/978-1-4939-6788-9_8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Changes in glycosylation of the cancer cell glycocalyx are a hallmark of metastasizing cancers and critically contribute to distant metastasis. In this chapter we concentrate on two lectins capable of specifically binding tumor-associated glycans in cryostat or formalin-fixed, paraffin-embedded tissue sections derived from primary clinical material, genetically engineered mouse models with endogenous cancer formation or xenograft mouse models. The snail lectin of Helix pomatia (HPA) binds N-acetylgalactosamine (GalNAc) that is expressed among others as Tn antigen (O-linked GalNAc) in primary tumors and metastases in several human adenocarcinomas. Another lectin, Phaseolus vulgaris leucoagglutinin (PHA-L) binds to complex β1-6 branched N-linked oligosaccharides associated with increased metastatic potential in breast, colon, and prostate cancer. Using these two lectins both O- and N-linked alterations in the glycocalyx of cancer cells can be monitored. As they are commercially available in a biotinylated or fluorescence-labeled form they can be readily used in cancer metastasis studies.
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Affiliation(s)
- Gerrit Wolters-Eisfeld
- Medical Glycobiology Group, Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany.
| | - Udo Schumacher
- Department of Anatomy and Experimental Morphology, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
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Munkley J, Mills IG, Elliott DJ. The role of glycans in the development and progression of prostate cancer. Nat Rev Urol 2016; 13:324-33. [PMID: 27091662 DOI: 10.1038/nrurol.2016.65] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Prostate cancer is a unique and heterogeneous disease. Currently, a major unmet clinical need exists to develop biomarkers that enable indolent disease to be distinguished from aggressive disease. The prostate is an abundant secretor of glycoproteins of all types, and alterations in glycans are, therefore, attractive as potential biomarkers and therapeutic targets. Despite progress over the past decade in profiling the genome and proteome, the prostate cancer glycoproteome remains relatively understudied. A wide range of alterations in the glycoproteins on prostate cancer cells can occur, including increased sialylation and fucosylation, increased O-β-N-acetylglucosamine (GlcNAc) conjugation, the emergence of cryptic and high-mannose N-glycans and alterations to proteoglycans. Glycosylation can alter protein function and has a key role in many important biological processes in cancer including cell adhesion, migration, interactions with the cell matrix, immune surveillance, cell signalling and cellular metabolism; altered glycosylation in prostate cancer might modify some, or all of these processes. In the past three years, powerful tools such as glycosylation-specific antibodies and glycosylation gene signatures have been developed, which enable detailed analyses of changes in glycosylation. Thus, emerging data on these often overlooked modifications have the potential to improve risk stratification and therapeutic strategies in patients with prostate cancer.
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Affiliation(s)
- Jennifer Munkley
- Institute of Genetic Medicine, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
| | - Ian G Mills
- Prostate Cancer Research Group, Centre for Molecular Medicine Norway (NCMM), Nordic EMBL Partnership, University of Oslo and Oslo University Hospitals, Forskningsparken, Gaustadalléen 21, N-0349 Oslo, Norway.,Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital HE - Norwegian Radium Hospital, Montebello, NO-0424 Oslo, Norway.,Movember/Prostate Cancer UK Centre of Excellence for Prostate Cancer Research, Centre for Cancer Research and Cell Biology (CCRCB), Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - David J Elliott
- Institute of Genetic Medicine, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
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Bapu D, Runions J, Kadhim M, Brooks SA. N-acetylgalactosamine glycans function in cancer cell adhesion to endothelial cells: A role for truncated O-glycans in metastatic mechanisms. Cancer Lett 2016; 375:367-374. [PMID: 26994652 DOI: 10.1016/j.canlet.2016.03.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 03/10/2016] [Accepted: 03/10/2016] [Indexed: 01/09/2023]
Abstract
Failure in O-glycan chain extension exposing Tn antigen (GalNAc-O-Ser/Thr) is clinically associated with cancer metastasis. This study provides evidence of a functional role for aberrant GalNAc-glycans in cancer cell capture from blood flow and/or adhesion to endothelium. Adhesion of breast cancer cells to human umbilical vein endothelial cell monolayers was modelled under sweeping flow. Adhesion of metastatic, GalNAc glycan-rich, MCF7 and ZR 75 1 cells to endothelium increased over timepoints up to 1.5 hour, after which it plateaued. Adhesion was significantly inhibited (p < 0.001) when cell surface GalNAc-glycans were masked, an effect not seen in GalNAc glycan-poor, non-metastatic BT 474 cells. Masking irrelevant galactose- and mannose-glycans had no inhibitory effect. Imaging of cells post-adhesion over a 24 hour time course using confocal and scanning electron microscopy revealed that up to 6 hours post-adhesion, motile, rounded cancer cells featuring lamellipodia-like processes crawled on an intact endothelial monolayer. From 6-12 hours post-adhesion, cancer cells became stationary, adopted a smooth, circular flattened morphology, and endothelial cells retracted from around them leaving cleared zones in which the cancer cells proceeded to form colonies through cell division.
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Affiliation(s)
- Deepashree Bapu
- Department of Biological & Medical Sciences, Faculty of Health & Life Sciences, Oxford Brookes University, Gipsy Lane, Headington, Oxford OX3 0BP, UK
| | - John Runions
- Department of Biological & Medical Sciences, Faculty of Health & Life Sciences, Oxford Brookes University, Gipsy Lane, Headington, Oxford OX3 0BP, UK
| | - Munira Kadhim
- Department of Biological & Medical Sciences, Faculty of Health & Life Sciences, Oxford Brookes University, Gipsy Lane, Headington, Oxford OX3 0BP, UK
| | - Susan Ann Brooks
- Department of Biological & Medical Sciences, Faculty of Health & Life Sciences, Oxford Brookes University, Gipsy Lane, Headington, Oxford OX3 0BP, UK.
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Milde-Langosch K, Schütze D, Oliveira-Ferrer L, Wikman H, Müller V, Lebok P, Pantel K, Schröder C, Witzel I, Schumacher U. Relevance of βGal-βGalNAc-containing glycans and the enzymes involved in their synthesis for invasion and survival in breast cancer patients. Breast Cancer Res Treat 2015; 151:515-28. [PMID: 25975956 DOI: 10.1007/s10549-015-3425-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 05/08/2015] [Indexed: 11/30/2022]
Abstract
To study the influence of glycosylation on breast cancer progression by analyses on glycan, mRNA, and protein level. For detection of glycan structures, we performed lectin histochemistry with five lectins of different specificity (UEA-1, HPA, GNA, PNA, and PHA-L) on a tissue microarray with >400 breast cancer samples. For comparison, mRNA expression of glycosylation enzymes involved in the synthesis of HPA and PNA binding glycostructures (GALNT family members and C1GALT1) was analyzed in microarray data of 194 carcinomas. Additionally, C1GALT1 protein expression was analyzed by Western blot analysis in 106 tumors. Correlations with clinical and histological parameters including recurrence-free (RFS) and overall survival (OAS) were calculated. Positive binding of four lectins (HPA, GNA, PNA, and PHA-L) correlated significantly with parameters involved in tumor metastasis, namely lymphangiosis, vascular invasion, lymph node involvement, and presence of disseminated tumor cells in bone marrow. HPA and PNA binding also showed a negative prognostic impact in our cohort. Correspondingly, high expression of C1GALT1, GALNT1, GALNT8, or GALNT14 mRNA and C1GALT1 protein correlated significantly with shorter OAS. Notably, combined overexpression of C1GALT1/GALNT1 or C1GALT1/GALNT8 mRNA was associated with a significantly reduced OAS (HR 3.15 and 2.73) and RFS (HR 2.01 and 1.94), pointing to an additive influence of these enzymes. This prognostic impact retained significance in multivariate analysis including classical prognostic markers. Our data indicate that glycan structures containing βGal-βGalNAc residues and the enzymes involved in their synthesis play a role in breast cancer progression, at least partly by their promoting influence on haematogenic and lymphatic spread.
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Affiliation(s)
- Karin Milde-Langosch
- Department of Gynecology, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany,
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Lange T, Samatov TR, Tonevitsky AG, Schumacher U. Importance of altered glycoprotein-bound N- and O-glycans for epithelial-to-mesenchymal transition and adhesion of cancer cells. Carbohydr Res 2014; 389:39-45. [DOI: 10.1016/j.carres.2014.01.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Revised: 12/22/2013] [Accepted: 01/08/2014] [Indexed: 01/25/2023]
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14
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Lange T, Kupfernagel M, Wicklein D, Gebauer F, Maar H, Brügge K, Müller I, Simon R, Schlomm T, Sauter G, Schumacher U. Aberrant Presentation of HPA-Reactive Carbohydrates Implies Selectin-Independent Metastasis Formation in Human Prostate Cancer. Clin Cancer Res 2014; 20:1791-802. [DOI: 10.1158/1078-0432.ccr-13-2308] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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15
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Glycophenotype evaluation in cutaneous tumors using lectins labeled with acridinium ester. DISEASE MARKERS 2013; 35:149-54. [PMID: 24167360 PMCID: PMC3774981 DOI: 10.1155/2013/787130] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 06/13/2013] [Accepted: 06/21/2013] [Indexed: 12/31/2022]
Abstract
Background. Tumor cells show alterations in their glycosylation patterns when compared to normal cells. Lectins can be used to evaluate these glycocode changes. Chemiluminescence assay is an effective technique for quantitative analysis of proteins, nucleic acids, and carbohydrates due to its high sensitivity, specificity, and rapid testing. Objective. To use histochemiluminescence based on lectin conjugated to acridinium ester (AE) for the investigation of glycophenotype changes in cutaneous tumors. Methods. Concanavalin A (Con A), Peanut agglutinin (PNA), Ulex europaeus agglutinin-I (UEA-I), and Maackia amurensis agglutinin (MAA) were conjugated to acridinium ester. Biopsies of cutaneous tumors and normal skin were incubated with the lectins-AE, and chemiluminescence was quantified and expressed as Relative Light Units (RLU). Results. Actinic keratosis (AK), keratoacanthoma (KA), squamous cell carcinoma (SCC), and basal cell carcinoma (BCC) showed lower expression of α-D-glucose/mannose and α-L-fucose residues compared to normal tissue. Cutaneous tumors displayed higher expression of Gal-β(1-3)-GalNAc residues than normal tissue. AK and SCC exhibited higher expression of Neu5Ac-α(2,3)Gal residues than normal epidermis. KA and BCC showed equivalent RLU values compared to normal tissue. Conclusions. Lectin histochemiluminescence allowed quantitative assessment of the carbohydrate expression in cutaneous tissues, contributing to eliminate the subjectivity of conventional techniques used in the histopathological diagnosis.
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Alley WR, Mann BF, Novotny MV. High-sensitivity analytical approaches for the structural characterization of glycoproteins. Chem Rev 2013; 113:2668-732. [PMID: 23531120 PMCID: PMC3992972 DOI: 10.1021/cr3003714] [Citation(s) in RCA: 239] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- William R. Alley
- Department of Chemistry, Indiana University, Bloomington, Indiana, United States
- National Center for Glycomics and Glycoproteomics, Indiana University, Bloomington, Indiana, United States
| | - Benjamin F. Mann
- Department of Chemistry, Indiana University, Bloomington, Indiana, United States
- National Center for Glycomics and Glycoproteomics, Indiana University, Bloomington, Indiana, United States
| | - Milos V. Novotny
- Department of Chemistry, Indiana University, Bloomington, Indiana, United States
- National Center for Glycomics and Glycoproteomics, Indiana University, Bloomington, Indiana, United States
- Indiana University School of Medicine, Indiana University, Indianapolis, Indiana, United States
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Bubencíkova T, Cholujová D, Messingerová L, Mislovicova D, Seres M, Breier A, Sulova Z. Detection of glycomic alterations induced by overexpression of p-glycoprotein on the surfaces of L1210 cells using sialic acid binding lectins. Int J Mol Sci 2012. [PMID: 23203118 PMCID: PMC3509634 DOI: 10.3390/ijms131115177] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
P-glycoprotein (P-gp) overexpression is the most frequently observed cause of multidrug resistance in neoplastic cells. In our experiments, P-gp was expressed in L1210 mice leukemia cells (S cells) by selection with vincristine (R cells) or transfection with the gene encoding human P-gp (T cells). Remodeling of cell surface sugars is associated with P-gp expression in L1210 cells as a secondary cellular response. In this study, we monitored the alteration of cell surface saccharides by Sambucus nigra agglutinin (SNA), wheat germ agglutinin (WGA) and Maackia amurensis agglutinin (MAA). Sialic acid is predominantly linked to the surface of S, R and T cells via α-2,6 branched sugars that tightly bind SNA. The presence of sialic acid linked to the cell surface via α-2,3 branched sugars was negligible, and the binding of MAA (recognizing this branch) was much less pronounced than SNA. WGA induced greater cell death than SNA, which was bound to the cell surface and agglutinated all three L1210 cell-variants more effectively than WGA. Thus, the ability of lectins to induce cell death did not correlate with their binding efficiency and agglutination potency. Compared to S cells, P-gp positive R and T cells contain a higher amount of N-acetyl-glucosamine on their cell surface, which is associated with improved WGA binding. Both P-gp positive variants of L1210 cells are strongly resistant to vincristine as P-gp prototypical drug. This resistance could not be altered by liberalization of terminal sialyl residues from the cell surface by sialidase.
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Affiliation(s)
- Tatiana Bubencíkova
- Institute of Molecular Physiology and Genetics, Center of Excellence of the Slovak Research and Development Agency “BIOMEMBRANES2008”, Slovak Academy of Sciences, Vlarska 5, Bratislava 83334, Slovakia; E-Mails: (T.B.); (L.M.); (M.S.)
| | - Dana Cholujová
- Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, Bratislava 83391, Slovakia; E-Mail:dana.cholujova @savba.sk
| | - Lucia Messingerová
- Institute of Molecular Physiology and Genetics, Center of Excellence of the Slovak Research and Development Agency “BIOMEMBRANES2008”, Slovak Academy of Sciences, Vlarska 5, Bratislava 83334, Slovakia; E-Mails: (T.B.); (L.M.); (M.S.)
| | - Danica Mislovicova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 84538, Slovakia; E-Mail:
| | - Mario Seres
- Institute of Molecular Physiology and Genetics, Center of Excellence of the Slovak Research and Development Agency “BIOMEMBRANES2008”, Slovak Academy of Sciences, Vlarska 5, Bratislava 83334, Slovakia; E-Mails: (T.B.); (L.M.); (M.S.)
| | - Albert Breier
- Institute of Molecular Physiology and Genetics, Center of Excellence of the Slovak Research and Development Agency “BIOMEMBRANES2008”, Slovak Academy of Sciences, Vlarska 5, Bratislava 83334, Slovakia; E-Mails: (T.B.); (L.M.); (M.S.)
- Authors to whom correspondence should be addressed: E-Mails: (A.B.); (Z.S.); Tel.: +421-903-472606 (A.B.); +421-903-246360 (Z.S.); Fax: +421-2-54773666 (A.B.); +421-2-54773666 (Z.S.)
| | - Zdena Sulova
- Institute of Molecular Physiology and Genetics, Center of Excellence of the Slovak Research and Development Agency “BIOMEMBRANES2008”, Slovak Academy of Sciences, Vlarska 5, Bratislava 83334, Slovakia; E-Mails: (T.B.); (L.M.); (M.S.)
- Authors to whom correspondence should be addressed: E-Mails: (A.B.); (Z.S.); Tel.: +421-903-472606 (A.B.); +421-903-246360 (Z.S.); Fax: +421-2-54773666 (A.B.); +421-2-54773666 (Z.S.)
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Dresch RR, Zanetti GD, Irazoqui FJ, Sendra VG, Zlocowski N, Bernardi A, Rosa RM, Battastini AMO, Henriques AT, Vozári-Hampe MM. Staining tumor cells with biotinylated ACL-I, a lectin isolated from the marine sponge, Axinella corrugata. Biotech Histochem 2012; 88:1-9. [PMID: 22954064 DOI: 10.3109/10520295.2012.717304] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Axinella corrugata lectin 1 (ACL-1) was purified from aqueous extracts of the marine sponge, Axinella corrugata. ACL-1 strongly agglutinates native rabbit erythrocytes. The hemagglutination is inhibited by N-acetyl derivatives, particularly N, N', N"-triacetylchitotriose, N-acetyl-D-glucosamine, N-acetyl-D-mannosamine and N-acetyl-D-galactosamine. We investigated the capacity of biotinylated ACL-1 to stain several transformed cell lines including breast (T-47D, MCF7), colon (HT-29), lung (H460), ovary (OVCAR-3) and bladder (T24). ACL-I may bind to both monosaccharides and oligosaccharides of tumor cells, N-acetyl-D-galactosamine, and N-acetyl-D- glucosamine glycan types. The lectins are useful, not only as markers and diagnostic parameters, but also for tissue mapping in suspicious neoplasms. In addition, they provide a better understanding of neoplasms at the cytological and molecular levels. Furthermore, the use of potential metastatic markers such as lectins is crucial for developing successful tools for therapy against cancer. We observed that biotinylated ACL-I stains tumor cells and may hold potential as a probe for identifying transformed cells and for studying glycan structures synthesized by such cells.
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Affiliation(s)
- R R Dresch
- Postgraduation Program in Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Sul, 90610-000, Porto Alegre, RS, Brazil.
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Won HS, Maeng LS, Chae HS, Kim HK, Cho YS, Kang JH, Jang HS, Ryu MR. Sequential Changes in Aberrant Crypt Foci and Lectin Expression in the Early and Late Stages of DMH-Induced Colon Carcinogenesis in Rats. Gut Liver 2012; 6:229-34. [PMID: 22570753 PMCID: PMC3343162 DOI: 10.5009/gnl.2012.6.2.229] [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: 07/21/2011] [Revised: 10/08/2011] [Accepted: 10/28/2011] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND/AIMS The purpose of this study was to investigate the malignant potential of aberrant crypt foci (ACF) by measuring the multiplicity of crypts and lectin expression in the early and late stages of 1,2-dimethylhydrazine (DMH)-induced colon carcinogenesis. METHODS Six-week-old Wistar rats were injected subcutaneously with DMH for 27 weeks. We classified ACF according to the number of crypts per ACF as a few crypts (≤3 crypts, FC ACF) or numerous crypts (≥4 crypts, NC ACF). Immunohistochemistry was used to evaluate lectin expression. RESULTS In the early stage, FC ACF (590/1,902, 31.0%) occurred more frequently than NC ACF (35/449, 7.8%); whereas in the late stage, NC ACF (176/449, 39.2%) occurred more frequently than FC ACF (324/1,902, 17.0%). The number of ACF peaked at 15 to 20 weeks. The ratio of NC/FC ACF increased gradually during carcinogenesis. The expression of both UEA1 and PNA was higher in NC ACF than FC ACF. Lectin expression increased in the late stage compared with the early stage. CONCLUSIONS The expression of lectin was higher in NC ACF and ACF in the late stage. Therefore, ACF with higher multiplicities in the late stage may have more malignant potential in DMH-induced colon carcinogenesis.
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Affiliation(s)
- Hye Sung Won
- Department of Internal Medicine, Uijeongbu St. Mary's Hospital, Uijeongbu, Korea
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Lange T, Ullrich S, Müller I, Nentwich MF, Stübke K, Feldhaus S, Knies C, Hellwinkel OJC, Vessella RL, Abramjuk C, Anders M, Schröder-Schwarz J, Schlomm T, Huland H, Sauter G, Schumacher U. Human prostate cancer in a clinically relevant xenograft mouse model: identification of β(1,6)-branched oligosaccharides as a marker of tumor progression. Clin Cancer Res 2012; 18:1364-73. [PMID: 22261809 DOI: 10.1158/1078-0432.ccr-11-2900] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To establish xenograft mouse models of metastatic and nonmetastatic human prostate cancer and to apply these models to the search for aberrant glycosylation patterns associated with tumor progression in vivo and in patients. EXPERIMENTAL DESIGN Prostate cancer cells (LNCaP, PC-3, LuCaP 23.1, and DU-145) were xenografted subcutaneously into immunodeficient pfp(-/-)/rag2(-/-) mice. Tumor growth and metastasis formation were quantified and as altered glycosylation patterns have been associated with metastasis formation in several other malignancies, prostate cancer cells were profiled by a quantitative real-time PCR (qRT-PCR) glycosylation array and compared with normal human prostate cells. The activity of upregulated glycosyltransferases was analyzed by their sugar residues end products using lectin histochemistry on primary tumors and metastases in the animal experiments and on 2,085 clinical samples. RESULTS PC-3 cells produced the largest number of spontaneous lung metastases, followed by LNCaP and LuCaP 23.1, whereas DU-145 was nonmetastatic. qRT-PCR revealed an upregulation of β1,6-N-acetylglucosaminyltransferase-5b (Mgat5b) in all prostate cancer cell lines. Mgat5b products [β(1,6)-branched oligosaccharides] were predominantly detectable in metastatic xenografts as shown by increased binding of Phaseolus vulgaris leukoagglutinin (PHA-L). The percentage of prostate cancer patients who were PHA-L positive was 86.5. PHA-L intensity correlated with serum prostate-specific antigen and a cytoplasmic staining negatively affected disease-free survival. CONCLUSION We show a novel xenograft mouse model for human prostate cancer respecting the complete metastatic cascade. Specific glycosylation patterns reveal Mgat5b products as relevant markers of both metastatic competence in mice and disease-free survival in patients. This is the first description of Mgat5b in prostate cancer indicating a significant biologic importance of β(1,6)-branched oligosaccharides for prostate cancer progression.
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Affiliation(s)
- Tobias Lange
- Department of Anatomy and Experimental Morphology, University Cancer Center Hamburg, Hamburg, Germany.
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Kumar R, Panwar B, Chauhan JS, Raghava GPS. Analysis and prediction of cancerlectins using evolutionary and domain information. BMC Res Notes 2011; 4:237. [PMID: 21774797 PMCID: PMC3161874 DOI: 10.1186/1756-0500-4-237] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Accepted: 07/20/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Predicting the function of a protein is one of the major challenges in the post-genomic era where a large number of protein sequences of unknown function are accumulating rapidly. Lectins are the proteins that specifically recognize and bind to carbohydrate moieties present on either proteins or lipids. Cancerlectins are those lectins that play various important roles in tumor cell differentiation and metastasis. Although the two types of proteins are linked, still there is no computational method available that can distinguish cancerlectins from the large pool of non-cancerlectins. Hence, it is imperative to develop a method that can distinguish between cancer and non-cancerlectins. RESULTS All the models developed in this study are based on a non-redundant dataset containing 178 cancerlectins and 226 non-cancerlectins in which no two sequences have more than 50% sequence similarity. We have applied the similarity search based technique, i.e. BLAST, and achieved a maximum accuracy of 43.25%. The amino acids compositional analysis have shown that certain residues (e.g. Leucine, Proline) were preferred in cancerlectins whereas some other (e.g. Asparatic acid, Asparagine) were preferred in non-cancerlectins. It has been found that the PROSITE domain "Crystalline beta gamma" was abundant in cancerlectins whereas domains like "SUEL-type lectin domain" were found mainly in non-cancerlectins. An SVM-based model has been developed to differentiate between the cancer and non-cancerlectins which achieved a maximum Matthew's correlation coefficient (MCC) value of 0.32 with an accuracy of 64.84%, using amino acid compositions. We have developed a model based on dipeptide compositions which achieved an MCC value of 0.30 with an accuracy of 64.84%. Thereafter, we have developed models based on split compositions (2 and 4 parts) and achieved an MCC value of 0.31, 0.32 with accuracies of 65.10% and 66.09%, respectively. An SVM model based on Position Specific Scoring Matrix (PSSM), generated by PSI-BLAST, was developed and achieved an MCC value of 0.36 with an accuracy of 68.34%. Finally, we have integrated the PROSITE domain information with PSSM and developed an SVM model that has achieved an MCC value of 0.38 with 69.09% accuracy. CONCLUSION BLAST has been found inefficient to distinguish between cancer and non-cancerlectins. We analyzed the protein sequences of cancer and non-cancerlectins and identified interesting patterns. We have been able to identify PROSITE domains that are preferred in cancer and non-cancerlectins and thus provided interesting insights into the two types of proteins. The method developed in this study will be useful for researchers studying cancerlectins, lectins and cancer biology. The web-server based on the above study, is available at http://www.imtech.res.in/raghava/cancer_pred/
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Affiliation(s)
- Ravi Kumar
- Bioinformatics Centre Institute of Microbial Technology, Sector-39A, Chandigarh, India
| | - Bharat Panwar
- Bioinformatics Centre Institute of Microbial Technology, Sector-39A, Chandigarh, India
| | - Jagat S Chauhan
- Bioinformatics Centre Institute of Microbial Technology, Sector-39A, Chandigarh, India
| | - Gajendra PS Raghava
- Bioinformatics Centre Institute of Microbial Technology, Sector-39A, Chandigarh, India
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Welinder C, Baldetorp B, Borrebaeck C, Fredlund BM, Jansson B. A new murine IgG1 anti-Tn monoclonal antibody with in vivo anti-tumor activity. Glycobiology 2011; 21:1097-107. [PMID: 21470982 DOI: 10.1093/glycob/cwr048] [Citation(s) in RCA: 224] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The Tn antigen (GalNAc α-O-Ser/Thr) is heterogeneously synthesized by a variety of tumors and contains an epitope defined by lectins and antibodies as a cluster of αGalNAc carbohydrates synthesized within a peptide sequence, which is rich in serine and/or threonine. The Tn antigen has been utilized as a target in vaccine experiments and also used as a biomarker for prognosis of different cancer forms. In this paper, we present a new monoclonal antibody, GOD3-2C4, with the clear hallmarks of an anti-Tn antibody. It was generated through somatic cell hybridization after immunization of a mouse with a tumor cell line and a Tn carrying mucin. The antibody recognizes synthetic Tn antigen and binds breast, colon, lung, ovarian and pancreas cancer. The GOD3-2C4 antibody has antibody-dependent cellular cytotoxicity activity against Jurkat cells in vitro, and for the first time, it can be shown that an anti-Tn antibody has a significant in vivo effect on a human cancer cell line grown as a xenograft in severe combined immunodeficiency mice.
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Affiliation(s)
- Charlotte Welinder
- Department of Oncology, Clinical Sciences, Lund University, Lund, Sweden
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Hoja-Łukowicz D, Przybyło M, Pocheć E, Drabik A, Silberring J, Kremser M, Schadendorf D, Laidler P, Lityńska A. The new face of nucleolin in human melanoma. Cancer Immunol Immunother 2009; 58:1471-80. [PMID: 19363676 PMCID: PMC11030984 DOI: 10.1007/s00262-009-0705-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2009] [Accepted: 03/24/2009] [Indexed: 12/29/2022]
Abstract
Nucleolin is multifunctional protein mainly present in nucleoli but also detected in cytoplasm and plasma membranes. Extranuclear nucleolin differs from the nuclear form by its glycosylation. Studies on expression of nucleolin in breast cancer suggest a possible association to the metastatic cascade. In the present study, Vicia villosa lectin (VVL) precipitation followed by subsequent polyacrylamide gel electrophoresis and mass spectrometry analysis demonstrates nucleolin as a VVL-positive glycoprotein expressed in melanoma. The presence of VVL-positive nucleolin in the melanoma cell membrane and cytoplasm was confirmed by confocal microscopy. Using bioinformatic peptide prediction programs, nucleolin was shown to contain multiple possible MHC class-I binding peptides in its sequence which makes nucleolin an interesting melanoma marker and target for immunodiagnostic and possibly therapeutic purposes.
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Magnetic resonance imaging of melanoma metastases in a clinical relevant human melanoma xenograft scid mouse model. Cancer Lett 2009; 274:194-200. [DOI: 10.1016/j.canlet.2008.09.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2008] [Revised: 07/14/2008] [Accepted: 09/10/2008] [Indexed: 11/23/2022]
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Abstract
Abstract
Introduction
Glycans have unique characteristics that are significantly different from nucleic acids and proteins in terms of biosynthesis, structures, and functions. Moreover, their isomeric nature and the complex linkages between residues have made glycan analysis a challenging task. Disease development and progression are usually associated with alternations in glycosylation on tissue proteins and/or blood proteins. Glycans released from tissue/blood proteins hence provide a valuable source of biomarkers. In this postgenome era, glycomics is an emerging research field. Glycome refers to a repertoire of glycans in a tissue/cell type, while glycomics is the study of glycome. In the past few years, attempts have been made to develop novel methodologies for quantitative glycomic profiling and to identify potential glycobiomarkers. It can be foreseen that glycomics holds the promise for biomarker discovery. This review provides an overview of the unique features of glycans and the historical applications of such features to biomarker discovery.
Future Prospective
The concept of glycomics and its recent advancement and future prospective in biomarker research are reviewed. Above all, there is no doubt that glycomics is gaining momentum in biomarker research.
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Chen S, Zheng T, Shortreed MR, Alexander C, Smith LM. Analysis of cell surface carbohydrate expression patterns in normal and tumorigenic human breast cell lines using lectin arrays. Anal Chem 2007; 79:5698-702. [PMID: 17580952 PMCID: PMC2529168 DOI: 10.1021/ac070423k] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cell surface carbohydrates play important roles in a wide variety of biological processes including cell adhesion, fertilization, differentiation, development, and tumor cell metastasis. Lectins are proteins of nonimmune origin which recognize and bind to specific carbohydrate structural epitopes. We have recently described the development and use of lectin arrays as tools for the elucidation of the carbohydrate structures expressed on cell surfaces. In the present work this technology is employed for the characterization of differences in carbohydrate expression patterns on normal and tumorigenic human breast cell lines, as well as on sublines differing in their tendency to "home" to different tissues during metastasis. Significant differences were observed, including changes that correlate with metastatic potential as well as with tissue-specific homing of metastatic cells.
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Affiliation(s)
- Siyuan Chen
- Department of Chemistry, University of Wisconsin, Madison, WI 53706
| | - Ting Zheng
- Department of Chemistry, University of Wisconsin, Madison, WI 53706
| | | | - Caroline Alexander
- McArdle Laboratory for Cancer Research, University of Wisconsin, Madison, WI 53706
| | - Lloyd M. Smith
- Department of Chemistry, University of Wisconsin, Madison, WI 53706
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Fearfield LA, Larkin JMG, Rowe A, A'Hern R, Fisher C, Francis N, MacKie R, McCann B, Gore ME, Bunker CB. Expression of p16, CD95, CD95L and Helix pomatia agglutinin in relapsing and nonrelapsing very thin melanoma. Br J Dermatol 2007; 156:440-7. [PMID: 17300231 DOI: 10.1111/j.1365-2133.2006.07581.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND The incidence of malignant melanoma is increasing worldwide and patients are being diagnosed earlier with thinner primary lesions. Most patients with very thin melanoma (Breslow thickness < 0.76 mm) are cured by surgery but 2-18% relapse locally or with distant metastases. OBJECTIVES The objective of this study was to establish potential new prognostic markers in very thin melanoma. METHODS We identified a group of subjects with relapsing very thin primary cutaneous melanoma and a matched control group who had not relapsed. We investigated the expression of p16, Helix pomatia agglutinin (HPA), CD95 and CD95 ligand (CD95L) by immunohistochemistry on paraffin-embedded tissue sections from the subject group, their subsequent metastases and the control group. RESULTS Reduced p16 expression was significantly associated with relapse in very thin melanoma (P = 0.0129). Loss of p16 expression was also found in 76% of metastases. There was no significant association between HPA, CD95 or CD95L expression and subsequent relapse. CONCLUSIONS This work is the first to show a significant loss of p16 in relapsing very thin melanoma.
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Affiliation(s)
- L A Fearfield
- Department of Dermatology, Imperial College School of Medicine (START Laboratories), Chelsea and Westminster Hospital, London, UK.
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Thöm I, Schult-Kronefeld O, Burkholder I, Goern M, Andritzky B, Blonski K, Kugler C, Edler L, Bokemeyer C, Schumacher U, Laack E. Lectin histochemistry of metastatic adenocarcinomas of the lung. Lung Cancer 2007; 56:391-7. [PMID: 17306412 DOI: 10.1016/j.lungcan.2007.01.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2006] [Revised: 12/13/2006] [Accepted: 01/03/2007] [Indexed: 11/18/2022]
Abstract
BACKGROUND Several clinical studies indicate that primary tumour cells with high metastatic potential often show aberrant glycosylation as detected by lectin histochemistry. However, it is unclear whether aberrant glycosylation is still present in metastatic deposits. The aim of the present investigation was thus to analyse a possible association between the presence of lectin binding sites of pulmonary adenocarcinoma cells and their lymph node and haematogenous metastatic cells. METHODS For this purpose, the expression of HPA, PHA-L and UEA-I was assessed in primary tumours, lymph node metastases and haematogenous metastases of 96 patients with metastatic adenocarcinomas of the lung that underwent surgery between 1999 and 2002. Besides, lectin-binding data and other known prognostic factors were correlated with survival. RESULTS We found a significant positive correlation between the binding of the lectins HPA (p=0.002), PHA-L (p<0.00001) and UEA-I (p<0.00001) to the cells of the primary tumour and to their lymph node metastases. There was a positive correlation between the binding of HPA to the cells of the primary tumour and the haematogenous metastases as well. Patients with tumours which did not show HPA binding sites had a median overall survival of 27.9 months (95%-CI 7.7-infinity months). Patients with a HPA binding tumour had a median overall survival of 20.9 months (95%-CI 18.5-28.7 months). CONCLUSION This is the first investigation to demonstrate a positive correlation between the binding of the lectins HPA, PHA-L and UEA-I to the cells of the primary tumour and to their lymph node metastases. Expression of HPA binding sites is also preserved in the haematogenous metastases. In summary, our results support the hypothesis that altered glycosylation of the membrane-bound glycoproteins of the tumour cells is associated with, but not sufficient for promotion of lymphogenic and haematogenous metastasis.
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Affiliation(s)
- Ina Thöm
- Department of Hematology, Oncology and Pneumology, University Hospital Hamburg-Eppendorf, Germany.
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Thies A, Mauer S, Fodstad O, Schumacher U. Clinically proven markers of metastasis predict metastatic spread of human melanoma cells engrafted in scid mice. Br J Cancer 2007; 96:609-16. [PMID: 17262079 PMCID: PMC2360047 DOI: 10.1038/sj.bjc.6603594] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2006] [Revised: 12/14/2006] [Accepted: 12/19/2006] [Indexed: 11/20/2022] Open
Abstract
Metastasis formation is a complex process and as such can only be modelled in vivo. As markers indicating metastatic spread in syngenic mouse models differ significantly from those in man, this study aimed to develop a human melanoma xenograft mouse model that reflects the clinical situation. Six human melanoma cell lines (LOX, MV3, FEMX-1, G361, MeWo and UISO-Mel6) were xenografted into severe combined immunodeficient mice and tumour growth, metastatic behaviour and number of lung metastases were assessed. Tumours and metastases were analysed for HPA binding and expression of CEACAM-1 and L1, all markers indicative of metastasis in clinical studies. Development of primary tumour nodules ranged from 3 weeks (MV3) to 3 months (MeWo). Whereas G361 and FEMX-1 rarely formed lung metastases, MeWo, MV3 and LOX were moderately and UISO-Mel6 was highly metastatic. Similar to clinical studies, HPA, CEACAM1 and L1 indicated metastatic spread in the xenograft melanoma model, but were not all simultaneously expressed in all cell lines. Considering the strongest expression of one marker combined with an absent or low expression of the other two markers, we conclude that LOX is the cell line of choice for analyses of the functional role of HPA-binding glycoconjugates, UISO-Mel6 is ideally suited to study CEACAM1 function in melanoma spread and L1 function can best be modelled using MeWo.
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Affiliation(s)
- A Thies
- Zentrum für Experimentelle Medizin, Institut für Anatomie II: Experimentelle Morphologie, Universitätsklinikum Hamburg Eppendorf, Martinistrasse 52, Hamburg D-20246, Germany.
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Thies A, Berlin A, Brunner G, Schulze HJ, Moll I, Pfüller U, Wagener C, Schachner M, Altevogt P, Schumacher U. Glycoconjugate profiling of primary melanoma and its sentinel node and distant metastases: implications for diagnosis and pathophysiology of metastases. Cancer Lett 2006; 248:68-80. [PMID: 16822608 DOI: 10.1016/j.canlet.2006.05.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2006] [Revised: 05/23/2006] [Accepted: 05/31/2006] [Indexed: 11/20/2022]
Abstract
Aiming at more precise detection of melanoma cells in sentinel lymph nodes and better understanding of the mechanisms underlying metastatic spread, expression of L1, CEACAM1, and binding of the lectins HPA, ML-I and PNA, was assessed in benign nevi (n=12), primary melanomas (PTs: n=67), their corresponding sentinel lymph nodes (SLNs: n=40), and distant metastases (DMs: n=35). Sensitivity and specificity of CEACAM1 (95-97%; 66%) and L1 (90-93%; 100%) exceeded that of the standard markers MelanA, S100, and HMB45 in single marker use. Lectin binding was found in PTs and DMs (HPA: 69% and 77%; ML-I: 82% and 77%, respectively), but rarely in SLNMs (HPA: 20%, ML-I: 20%, PNA: 5%, respectively). The highly specific and sensitive L1-11A against L1 and 4D1/C2 against CEACAM1 antibodies are a worthy completion to standard antibody panels for diagnosis of melanoma cells. Both CAMs seem to be functionally involved in lymphatic and haematogenous spread, and are thus promising target molecules for immunotoxins.
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Affiliation(s)
- Anka Thies
- Institut für Anatomie II: Experimentelle Morphologie, Zentrum für Experimentelle Medizin, Universitätsklinikum Hamburg-Eppendorf, Martinistrasse 52, D-20246 Hamburg, Germany.
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Thies A, Nugel D, Pfüller U, Moll I, Schumacher U. Influence of mistletoe lectins and cytokines induced by them on cell proliferation of human melanoma cells in vitro. Toxicology 2005; 207:105-16. [PMID: 15590126 DOI: 10.1016/j.tox.2004.09.009] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2004] [Revised: 09/03/2004] [Accepted: 09/03/2004] [Indexed: 11/18/2022]
Abstract
Although aqueous mistletoe extracts are widely used in complementary cancer therapy, the precise mode of action of their main therapeutic agents, the three mistletoe lectins (MLs), is poorly understood as they act both as cytotoxic agents and as immunomodulators due to their cytokine release by mononuclear cells. Thus, this study aims to investigate both the direct and the indirect effects of MLs on the growth of human melanoma cells in vitro. Proliferation of six human melanoma cell lines under ML treatment and additionally under the influence of cytokines induced by them (TNF-alpha, IL-1, IL-6) was assessed by means of the tetrazolium derived reduction (XTT) assay. Furthermore, ML binding patterns were analysed and correlated with the biological effects. All three MLs inhibited melanoma cell proliferation in a dose-dependent manner starting at very low ML concentrations (0.001-100 ng/ml) with ML-I being the most cytotoxic lectin (significant inhibition of ultra-sensitive cell line MV3 at 1 x 10(-13) ng ML-I/ml). Even if applied in a broad concentration range (0.0001-100 ng/ml) cytokines had no influence on cell proliferation at all. For ML-I, no association between binding intensity and cytotoxicity was observed, while for ML-II and -III an association between binding and toxicity was established. In conclusion, this study emphasises the direct anti-proliferative effect of the mistletoe lectins on melanoma cells with ML-I being superior to MLs-II and -III. The observation of an ultra-sensitivity of one cell line towards ML-I toxicity may serve as an explanation for the therapeutic success in anecdotal case reports and needs further investigations.
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Affiliation(s)
- Anka Thies
- Zentrum für Experimentelle Medizin, Institut für Anatomie II, Experimentelle Morphologie, Universitätsklinikum Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany.
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Thies A, Schachner M, Berger J, Moll I, Schulze HJ, Brunner G, Schumacher U. The developmentally regulated neural crest-associated glycotope HNK-1 predicts metastasis in cutaneous malignant melanoma. J Pathol 2004; 203:933-9. [PMID: 15258996 DOI: 10.1002/path.1595] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Aberrant glycosylation is a common feature of metastatic sub-clones of malignant tumours and in uveal melanoma in particular, the HNK-1 glycotope has been positively correlated with poor prognosis. So far, no such correlation has been investigated in cutaneous melanoma. In order to do so, HNK-1 expression was evaluated immunohistochemically in 100 primary cutaneous melanomas and correlated with metastasis after up to 10-years' follow-up. Furthermore, HNK-1 expression was analysed in metastatic deposits (19 distant cutaneous metastases and six sentinel lymph node metastases), as well as in benign nevi. Kaplan-Meier analysis revealed a positive association between HNK-1 expression and metastasis (p < 0.005) and multivariate Cox regression analysis adjusted for the standard prognostic markers ulceration and vertical tumour thickness confirmed HNK-1 expression as an independent prognostic marker. HNK-1 expression was preserved in 42% of the distant cutaneous metastases, but metastatic cells in lymph nodes were devoid of HNK-1 immunoreactivity. None of the benign pigmented lesions exhibited HNK-1 immunoreactivity. Expression of the HNK-1 glycotope in cutaneous malignant melanoma is an independent prognostic marker of metastasis. Differential HNK-1 expression at the metastatic sites implies that its expression is modulated by the surrounding environment. As HNK-1 is also transiently expressed during migration of melanocyte precursor cells derived from the neural crest, recapitulation of this transient expression might occur during metastatic spread of cutaneous malignant melanoma.
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Affiliation(s)
- Anka Thies
- Institut für Anatomie II: Experimentelle Morphologie, Universitätsklinikum Hamburg-Eppendorf, Martinistrasse 52, D-20246 Hamburg, Germany.
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Silverman RH, Folberg R, Rondeau MJ, Boldt HC, Lloyd HO, Chen X, Lizzi FL, Weingeist TA, Coleman DJ. Spectral parameter imaging for detection of prognostically significant histologic features in uveal melanoma. ULTRASOUND IN MEDICINE & BIOLOGY 2003; 29:951-959. [PMID: 12878240 DOI: 10.1016/s0301-5629(03)00907-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Specific extracellular matrix patterns in uveal melanoma are associated with metastatic risk. The laminin-rich composition and dimensions (on the order of a wavelength or less) of these structures suggest that acoustic backscatter might be affected by their presence. In this study, 10-MHz radiofrequency (RF) ultrasound (US) data were acquired before surgical removal of 117 eyes with uveal malignant melanoma. Histologic sections were evaluated for the presence of matrix patterns and acoustic backscatter was characterized using calibrated spectrum analysis. Statistical correlations between acoustic and histologic patterns were determined and linear discriminant analysis (LDA) and radial basis networks (RBN) were used to develop classification models for histologically based risk groups. Statistically significant correlations were found between acoustic parameters and the presence of histologic matrix-rich patterns. Retrospective classification accuracies of 74.4% and 78.6% were obtained with LDA and RBN, respectively. Leave-one-out analyses indicated estimated predictive accuracies of 71.8% and 75.0% for LDA and RBN, respectively.
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Affiliation(s)
- Ronald H Silverman
- Department of Ophthalmology, Weill Medical College of Cornell University, New York, NY 10021, USA.
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Thies A, Schachner M, Moll I, Berger J, Schulze HJ, Brunner G, Schumacher U. Overexpression of the cell adhesion molecule L1 is associated with metastasis in cutaneous malignant melanoma. Eur J Cancer 2002; 38:1708-16. [PMID: 12175686 DOI: 10.1016/s0959-8049(02)00105-3] [Citation(s) in RCA: 128] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Modulation of cell adhesion molecule expression plays a key role in melanoma metastasis. In particular, the expression of the cell adhesion molecule L1 has been associated with the metastatic phenotype in a murine model of malignant melanoma. However, no such association between L1 expression and metastasis has been investigated in a clinical study. Therefore, L1 expression was determined immunohistochemically in 100 cases of malignant melanoma and correlated with metastasis in a 10-year retrospective study. Furthermore, nine distant metastases and five sentinel lymph node metastases were analysed for their L1 expression. Additionally, the expression of alpha2,3 sialic acid residues, which are recognised by the siglec domain of L1, was determined by Maackia amurensis agglutinin (MAA) lectin histochemistry. The log-rank test between Kaplan-Meier curves revealed a positive association between L1 expression and metastasis (P<0.0001) and multivariate Cox regression analysis adjusted for tumour thickness, ulceration and mitotic rate confirmed the prognostic power of L1 in malignant melanoma. As alpha2,3 sialic acid residues were absent in melanoma cells, homotypic adhesion between melanoma cells via their siglec domain can be excluded, suggesting a different adhesive function of L1 during melanoma metastasis. The functional role of L1 was further stressed by the fact that its expression was preserved in metastatic lesions.
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Affiliation(s)
- Anka Thies
- Institut für Anatomie, Universitätsklinikum Hamburg-Eppendorf, Martinistrasse 52, D-20246 Hamburg, Germany.
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Thies A, Moll I, Berger J, Wagener C, Brümmer J, Schulze HJ, Brunner G, Schumacher U. CEACAM1 expression in cutaneous malignant melanoma predicts the development of metastatic disease. J Clin Oncol 2002; 20:2530-6. [PMID: 12011132 DOI: 10.1200/jco.2002.05.033] [Citation(s) in RCA: 139] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE The cell adhesion molecule CEACAM1 is involved in intercellular adhesion and subsequent signal transduction events in a number of epithelia. CEACAM1 downregulation has been demonstrated in colorectal and prostate carcinomas. This study sought to analyze whether its expression in malignant melanoma is associated with metastasis. PATIENTS AND METHODS CEACAM1 expression was immunohistochemically evaluated in 100 primary cutaneous malignant melanomas and correlated with metastasis in a 10-year follow-up. Furthermore, CEACAM1 expression was analyzed in metastatic lesions (11 distant metastases and six sentinel lymph node metastases). Univariate Kaplan-Meier analysis and multivariate Cox proportional hazard regression analysis adjusted for standard prognostic indicators were performed to assess the prognostic relevance of CEACAM1 expression. RESULTS A total of 28 of 40 patients with CEACAM1-positive primary melanomas developed metastatic disease, compared with only six of 60 patients with CEACAM1-negative melanomas. Often, the strongest CEACAM1 expression was observed at the invading front. In addition, CEACAM1 expression was preserved in the metastatic lesions. Kaplan-Meier analysis revealed a highly significant association between CEACAM1 expression and metastasis (P <.0001); multivariate Cox regression analysis, including CEACAM1 expression status adjusted for tumor thickness, presence of ulceration, and mitotic rate, confirmed that CEACAM1 is an independent factor for the risk of metastasis and demonstrated that the predictive value of CEACAM1 expression is superior to that of tumor thickness. CONCLUSION Expression of the cell adhesion molecule CEACAM1 in the primary tumors in melanoma patients is associated with the subsequent development of metastatic disease. This raises the possibility of a functional role for this cell adhesion molecule in the metastatic spread it indicates.
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Affiliation(s)
- Anka Thies
- Institute for Anatomy, University Hospital Hamburg-Eppendorf, Martinistrasse 52, D-20246 Hamburg, Germany.
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Laack E, Nikbakht H, Peters A, Kugler C, Jasiewicz Y, Edler L, Hossfeld DK, Schumacher U. Lectin histochemistry of resected adenocarcinoma of the lung: helix pomatia agglutinin binding is an independent prognostic factor. THE AMERICAN JOURNAL OF PATHOLOGY 2002; 160:1001-8. [PMID: 11891197 PMCID: PMC1867178 DOI: 10.1016/s0002-9440(10)64921-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/07/2001] [Indexed: 10/18/2022]
Abstract
The worldwide incidence of adenocarcinoma of the lung is rising. Unfortunately, no significant prognostic marker beyond the classical TNM staging exists to stratify these patients for appropriate therapy. Because lectins, carbohydrate-binding proteins, have been shown to be useful prognostic markers in several other adenocarcinomas, a panel of lectins [Helix pomatia agglutinin (HPA), Phaseolus vulgaris leukoagglutinin, Ulex europaeus agglutinin, Maackia amurenis agglutinin, Sambucus nigra agglutinin] with different carbohydrate-binding specificities were tested for their prognostic relevance. Paraffin wax sections of 93 patients with adenocarcinomas of the lung who had undergone surgery between 1990 and 1995 were investigated by lectin histochemistry. Lectin-binding data and other known prognostic factors were correlated with survival. In univariate analysis, binding of HPA, Phaseolus vulgaris leukoagglutinin, and Ulex europaeus agglutinin to adenocarcinoma cells were prognostic indicators for overall and relapse-free survival, whereas Maackia amurenis agglutinin and Sambucus nigra agglutinin binding had no prognostic value. However, in a multivariate analysis next to stage and gender only HPA was a significant independent prognostic factor on survival. In conclusion, HPA binding was the primary marker-based predictor of prognosis in our patient population and allows to stratify patients with adenocarcinomas of the lung into a low- and a high-risk group.
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Affiliation(s)
- Eckart Laack
- Department of Oncology and Hematology and the Institute for Anatomy, University Hospital Hamburg-Eppendorf, Hamburg, Germany.
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