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Ran Z, Zhang L, Dong M, Zhang Y, Chen L, Song Q. O-GlcNAcylation: A Crucial Regulator in Cancer-Associated Biological Events. Cell Biochem Biophys 2023; 81:383-394. [PMID: 37392316 DOI: 10.1007/s12013-023-01146-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 06/12/2023] [Indexed: 07/03/2023]
Abstract
O-GlcNAcylation, a recently discovered post-translational modification of proteins, plays a crucial role in regulating protein structure and function, and is closely associated with multiple diseases. Research has shown that O-GlcNAcylation is abnormally upregulated in most cancers, promoting disease progression. To elucidate the roles of O-GlcNAcylation in cancer, this review summarizes various cancer-associated biological events regulated by O-GlcNAcylation and the corresponding signaling pathways. This work may provide insights for future studies on the function or underlying mechanisms of O-GlcNAcylation in cancer.
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Affiliation(s)
- Zhihong Ran
- Medical College, Three Gorges University, Yichang, 443000, China
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
- Guangzhou National Laboratory, Guangzhou, 510005, China
| | - Lei Zhang
- Guangzhou National Laboratory, Guangzhou, 510005, China
| | - Ming Dong
- Guangzhou National Laboratory, Guangzhou, 510005, China
| | - Yu Zhang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Lulu Chen
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
- Guangzhou National Laboratory, Guangzhou, 510005, China.
| | - Qibin Song
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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2
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AL-Abedi R, Tuncay Cagatay S, Mayah A, Brooks SA, Kadhim M. Ionising Radiation Promotes Invasive Potential of Breast Cancer Cells: The Role of Exosomes in the Process. Int J Mol Sci 2021; 22:ijms222111570. [PMID: 34769002 PMCID: PMC8583851 DOI: 10.3390/ijms222111570] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 12/21/2022] Open
Abstract
Along with the cells that are exposed to radiation, non-irradiated cells can unveil radiation effects as a result of intercellular communication, which are collectively defined as radiation induced bystander effects (RIBE). Exosome-mediated signalling is one of the core mechanisms responsible for multidirectional communication of tumor cells and their associated microenvironment, which may result in enhancement of malignant tumor phenotypes. Recent studies show that exosomes and exosome-mediated signalling also play a dynamic role in RIBE in cancer cell lines, many of which focused on altered exosome cargo or their effects on DNA damage. However, there is a lack of knowledge regarding how these changes in exosome cargo are reflected in other functional characteristics of cancer cells from the aspects of invasiveness and metastasis. Therefore, in the current study, we aimed to investigate exosome-mediated bystander effects of 2 Gy X-ray therapeutic dose of ionizing radiation on the invasive potential of MCF-7 breast cancer cells in vitro via assessing Matrigel invasion potential, epithelial mesenchymal transition (EMT) characteristics and the extent of glycosylation, as well as underlying plausible molecular mechanisms. The findings show that exosomes derived from irradiated MCF-7 cells enhance invasiveness of bystander MCF-7 cells, possibly through altered miRNA and protein content carried in exosomes.
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3
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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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4
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Matsumoto Y, Kudelka MR, Hanes MS, Lehoux S, Dutta S, Jones MB, Stackhouse KA, Cervoni GE, Heimburg-Molinaro J, Smith DF, Ju T, Chaikof EL, Cummings RD. Identification of Tn antigen O-GalNAc-expressing glycoproteins in human carcinomas using novel anti-Tn recombinant antibodies. Glycobiology 2020; 30:282-300. [PMID: 31742337 DOI: 10.1093/glycob/cwz095] [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: 08/08/2019] [Revised: 10/08/2019] [Accepted: 11/02/2019] [Indexed: 12/14/2022] Open
Abstract
The Tn antigen is a neoantigen abnormally expressed in many human carcinomas and expression correlates with metastasis and poor survival. To explore its biomarker potential, new antibodies are needed that specifically recognize this antigen in tumors. Here we generated two recombinant antibodies to the Tn antigen, Remab6 as a chimeric human IgG1 antibody and ReBaGs6 as a murine IgM antibody and characterized their specificities using multiple biochemical and biological approaches. Both Remab6 and ReBaGs6 recognize clustered Tn structures, but most importantly do not recognize glycoforms of human IgA1 that contain potential cross-reactive Tn antigen structures. In flow cytometry and immunofluorescence analyses, Remab6 recognizes human cancer cell lines expressing the Tn antigen, but not their Tn-negative counterparts. In immunohistochemistry (IHC), Remab6 stains many human cancers in tissue array format but rarely stains normal tissues and then mostly intracellularly. We used these antibodies to identify several unique Tn-containing glycoproteins in Tn-positive Colo205 cells, indicating their utility for glycoproteomics in future biomarker studies. Thus, recombinant Remab6 and ReBaGs6 are useful for biochemical characterization of cancer cells and IHC of tumors and represent promising tools for Tn biomarker discovery independently of recognition of IgA1.
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Affiliation(s)
- Yasuyuki Matsumoto
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Matthew R Kudelka
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA.,Department of Biochemistry, Emory University School of Medicine, 1518 Clifton Rd, Atlanta, GA 30322, USA
| | - Melinda S Hanes
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Sylvain Lehoux
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Sucharita Dutta
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Mark B Jones
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Kathryn A Stackhouse
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Gabrielle E Cervoni
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Jamie Heimburg-Molinaro
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - David F Smith
- Department of Biochemistry, Emory University School of Medicine, 1518 Clifton Rd, Atlanta, GA 30322, USA
| | - Tongzhong Ju
- Department of Biochemistry, Emory University School of Medicine, 1518 Clifton Rd, Atlanta, GA 30322, USA.,Office of Biotechnology Products, Center for Drug Evaluation and Research, Food and Drug Administration, Bldg 52/72, Room 2120, 10903 New Hampshire Ave, Silver Spring, MD 20993, USA
| | - Elliot L Chaikof
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11090, 3 Blackfan Circle, Boston, MA 02115, USA.,Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, CLS 11087, 3 Blackfan Circle, Boston, MA 02115, USA
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5
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Pietrzyk-Brzezinska AJ, Bujacz A. H-type lectins - Structural characteristics and their applications in diagnostics, analytics and drug delivery. Int J Biol Macromol 2020; 152:735-747. [PMID: 32119947 DOI: 10.1016/j.ijbiomac.2020.02.320] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/27/2020] [Accepted: 02/27/2020] [Indexed: 12/15/2022]
Abstract
Lectins are ubiquitous carbohydrate-binding proteins that interact with sugar moieties in a highly specific manner. H-type lectins represent a new group of lectins that were identified in invertebrates. These lectins share structural homology and bind mainly to N-acetylgalactosamine (GalNAc). Recent structural studies on the H-type lectins provided a detailed description of the GalNAc-lectin interaction that is already exploited in a number of biomedical applications. Two members of the H-type lectin family, Helix pomatia agglutinin (HPA) and Helix aspersa agglutinin (HAA), have already been extensively used in many diagnostic tests due their ability to specifically recognize GalNAc. This ability is especially important because aberrant glycosylation patterns of proteins expressed by cancer cells contain GalNAc. In addition, H-type lectins were utilized in diagnostics of other non-cancer diseases and represent great potential as components of drug delivery systems. Here, we present an overview of the H-type lectins and their applications in diagnostics, analytics and drug delivery.
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Affiliation(s)
- Agnieszka J Pietrzyk-Brzezinska
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 4/10, Lodz 90-924, Poland.
| | - Anna Bujacz
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 4/10, Lodz 90-924, Poland
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6
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Jiang Y, Liu Z, Xu F, Dong X, Cheng Y, Hu Y, Gao T, Liu J, Yang L, Jia X, Qian H, Wen T, An G. Aberrant O-glycosylation contributes to tumorigenesis in human colorectal cancer. J Cell Mol Med 2018; 22:4875-4885. [PMID: 29999571 PMCID: PMC6156240 DOI: 10.1111/jcmm.13752] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 05/29/2018] [Indexed: 12/14/2022] Open
Abstract
Aberrant O‐glycosylation is frequently observed in colorectal cancer (CRC) patients, but it is unclear if it contributes intrinsically to tumorigenesis. Here, we investigated the biological consequences of aberrant O‐glycosylation in CRC. We first detected the expression profile of Tn antigen in a serial of human CRC tissues and then explored the genetic and biosynthetic mechanisms. Moreover, we used a human CRC cell line (LS174T), which express Tn antigen, to assess whether aberrant O‐glycosylation can directly promote oncogenic properties. It showed that Tn antigen was detected in around 86% human primary and metastatic CRC tissues. Bio‐functional investigations showed that T‐synthase and Cosmc were both impaired in cancer tissues. A further analysis detected an occurrence of hypermethylation of Cosmc gene, which possibly caused its loss‐of‐function and a consequent inactive T‐synthase. Transfection of LS174T cells with WT Cosmc restored mature O‐glycosylation, which subsequently down‐regulated cancer cell proliferation, migration and apoptotic‐resistant ability. Significantly, the expression of MUC2, a heavily O‐glycosylated glycoprotein that plays an essential role in intestinal function, was uniformly reduced in human CRC tissues as well as in LS174T cells. These data suggest that aberrant O‐glycosylation contributes to the development of CRC through direct induction of oncogenic properties in cancer cells.
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Affiliation(s)
- Yuliang Jiang
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Zhe Liu
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Feng Xu
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xichen Dong
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yurong Cheng
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yizhang Hu
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Tianbo Gao
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Jian Liu
- Medical research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Lei Yang
- Medical research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xingyuan Jia
- Medical research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Haili Qian
- Key Laboratory of Molecular Oncology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Tao Wen
- Medical research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Guangyu An
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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7
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Blackburn JB, Kudlyk T, Pokrovskaya I, Lupashin VV. More than just sugars: Conserved oligomeric Golgi complex deficiency causes glycosylation-independent cellular defects. Traffic 2018; 19:463-480. [PMID: 29573151 PMCID: PMC5948163 DOI: 10.1111/tra.12564] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 03/14/2018] [Accepted: 03/15/2018] [Indexed: 01/03/2023]
Abstract
The conserved oligomeric Golgi (COG) complex controls membrane trafficking and ensures Golgi homeostasis by orchestrating retrograde vesicle trafficking within the Golgi. Human COG defects lead to severe multisystemic diseases known as COG-congenital disorders of glycosylation (COG-CDG). To gain better understanding of COG-CDGs, we compared COG knockout cells with cells deficient to 2 key enzymes, Alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase and uridine diphosphate-glucose 4-epimerase (GALE), which contribute to proper N- and O-glycosylation. While all knockout cells share similar defects in glycosylation, these defects only account for a small fraction of observed COG knockout phenotypes. Glycosylation deficiencies were not associated with the fragmented Golgi, abnormal endolysosomes, defective sorting and secretion or delayed retrograde trafficking, indicating that these phenotypes are probably not due to hypoglycosylation, but to other specific interactions or roles of the COG complex. Importantly, these COG deficiency specific phenotypes were also apparent in COG7-CDG patient fibroblasts, proving the human disease relevance of our CRISPR knockout findings. The knowledge gained from this study has important implications, both for understanding the physiological role of COG complex in Golgi homeostasis in eukaryotic cells, and for better understanding human diseases associated with COG/Golgi impairment.
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Affiliation(s)
- Jessica B Blackburn
- Department of Physiology and Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Tetyana Kudlyk
- Department of Physiology and Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Irina Pokrovskaya
- Department of Physiology and Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Vladimir V Lupashin
- Department of Physiology and Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
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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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Kuo JCH, Ibrahim AEK, Dawson S, Parashar D, Howat WJ, Guttula K, Miller R, Fearnhead NS, Winton DJ, Neves AA, Brindle KM. Detection of colorectal dysplasia using fluorescently labelled lectins. Sci Rep 2016; 6:24231. [PMID: 27071814 PMCID: PMC4829854 DOI: 10.1038/srep24231] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 03/22/2016] [Indexed: 12/26/2022] Open
Abstract
Colorectal cancer screening using conventional colonoscopy lacks molecular information and can miss dysplastic lesions. We tested here the ability of fluorescently labelled lectins to distinguish dysplasia from normal tissue when sprayed on to the luminal surface epithelium of freshly resected colon tissue from the Apc(min) mouse and when applied to fixed human colorectal tissue sections. Wheat germ agglutinin (WGA) showed significantly decreased binding to adenomas in the mouse tissue and in sections of human colon from 47 patients. Changes in WGA binding to the human surface epithelium allowed regions containing normal epithelium (NE) or hyperplastic polyps (HP) to be distinguished from regions containing low-grade dysplasia (LGD), high-grade dysplasia (HGD) or carcinoma (C), with 81% sensitivity, 87% specificity and 93% positive predictive value (PPV). Helix pomatia agglutinin (HGA) distinguished epithelial regions containing NE from regions containing HP, LGD, HGD or C, with 89% sensitivity, 87% specificity and 97% PPV. The decreased binding of WGA and HPA to the luminal surface epithelium in human dysplasia suggests that these lectins may enable more sensitive detection of disease in the clinic using fluorescence colonoscopy.
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Affiliation(s)
- Joe Chin-Hun Kuo
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge, UK
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Ashraf E. K. Ibrahim
- Department of Pathology, Division of Molecular Histopathology, University of Cambridge, Addenbrooke’s Hospital, Cambridge, UK
- MRC, Laboratory of Molecular Biology, Hills Road, Cambridge, UK
| | - Sarah Dawson
- Cambridge Clinical Trials Unit, University of Cambridge, Cambridge, UK
| | - Deepak Parashar
- Statistics and Epidemiology Unit & Cancer Research Centre, Division of Health Sciences, Warwick Medical School, The University of Warwick, Coventry, UK
| | - William J. Howat
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge, UK
| | - Kiran Guttula
- Department of Pathology, Division of Molecular Histopathology, University of Cambridge, Addenbrooke’s Hospital, Cambridge, UK
| | - Richard Miller
- Cambridge Colorectal Unit, Addenbrooke’s Hospital, Cambridge, UK
| | | | - Douglas J. Winton
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge, UK
| | - André A. Neves
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge, UK
| | - Kevin M. Brindle
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge, UK
- Department of Biochemistry, University of Cambridge, Cambridge, 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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11
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Predicting cancerlectins by the optimal g-gap dipeptides. Sci Rep 2015; 5:16964. [PMID: 26648527 PMCID: PMC4673586 DOI: 10.1038/srep16964] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Accepted: 10/22/2015] [Indexed: 12/14/2022] Open
Abstract
The cancerlectin plays a key role in the process of tumor cell differentiation. Thus, to fully understand the function of cancerlectin is significant because it sheds light on the future direction for the cancer therapy. However, the traditional wet-experimental methods were money- and time-consuming. It is highly desirable to develop an effective and efficient computational tool to identify cancerlectins. In this study, we developed a sequence-based method to discriminate between cancerlectins and non-cancerlectins. The analysis of variance (ANOVA) was used to choose the optimal feature set derived from the g-gap dipeptide composition. The jackknife cross-validated results showed that the proposed method achieved the accuracy of 75.19%, which is superior to other published methods. For the convenience of other researchers, an online web-server CaLecPred was established and can be freely accessed from the website http://lin.uestc.edu.cn/server/CalecPred. We believe that the CaLecPred is a powerful tool to study cancerlectins and to guide the related experimental validations.
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Peiris D, Ossondo M, Fry S, Loizidou M, Smith-Ravin J, Dwek MV. Identification of O-Linked Glycoproteins Binding to the Lectin Helix pomatia Agglutinin as Markers of Metastatic Colorectal Cancer. PLoS One 2015; 10:e0138345. [PMID: 26495974 PMCID: PMC4619703 DOI: 10.1371/journal.pone.0138345] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 08/28/2015] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Protein glycosylation is an important post-translational modification shown to be altered in all tumour types studied to date. Mucin glycoproteins have been established as important carriers of O-linked glycans but other glycoproteins exhibiting altered glycosylation repertoires have yet to be identified but offer potential as biomarkers for metastatic cancer. METHODOLOGY In this study a glycoproteomic approach was used to identify glycoproteins exhibiting alterations in glycosylation in colorectal cancer and to evaluate the changes in O-linked glycosylation in the context of the p53 and KRAS (codon 12/13) mutation status. Affinity purification with the carbohydrate binding protein from Helix pomatia agglutinin (HPA) was coupled to 2-dimensional gel electrophoresis with mass spectrometry to enable the identification of low abundance O-linked glycoproteins from human colorectal cancer specimens. RESULTS Aberrant O-linked glycosylation was observed to be an early event that occurred irrespective of the p53 and KRAS status and correlating with metastatic colorectal cancer. Affinity purification using the lectin HPA followed by proteomic analysis revealed annexin 4, annexin 5 and CLCA1 to be increased in the metastatic colorectal cancer specimens. The results were validated using a further independent set of specimens and this showed a significant association between the staining score for annexin 4 and HPA and the time to metastasis; independently (annexin A4: Chi square 11.45, P = 0.0007; HPA: Chi square 9.065, P = 0.0026) and in combination (annexin 4 and HPA combined: Chi square 13.47; P = 0.0002). CONCLUSION Glycoproteins showing changes in O-linked glycosylation in metastatic colorectal cancer have been identified. The glycosylation changes were independent of p53 and KRAS status. These proteins offer potential for further exploration as biomarkers and potential targets for metastatic colorectal cancer.
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Affiliation(s)
- Diluka Peiris
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Marlène Ossondo
- Universite des Antilles et de la Guyane, Département Scientifique Interfacultaire, EA929 AIHP-GEODE (BIOSPHERES), Campus de Schœlcher, Martinique
| | - Simon Fry
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Marilena Loizidou
- Division of Surgery and Interventional Science, University College London School of Life and Medical Sciences, Royal Free Campus, Pond Street, London, United Kingdom
| | - Juliette Smith-Ravin
- Universite des Antilles et de la Guyane, Département Scientifique Interfacultaire, EA929 AIHP-GEODE (BIOSPHERES), Campus de Schœlcher, Martinique
| | - Miriam V. Dwek
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
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13
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Ju T, Aryal RP, Kudelka MR, Wang Y, Cummings RD. The Cosmc connection to the Tn antigen in cancer. Cancer Biomark 2015; 14:63-81. [PMID: 24643043 DOI: 10.3233/cbm-130375] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The Tn antigen is a tumor-associated carbohydrate antigen that is not normally expressed in peripheral tissues or blood cells. Expression of this antigen, which is found in a majority of human carcinomas of all types, arises from a blockage in the normal O-glycosylation pathway in which glycans are extended from the common precursor GalNAcα1-O-Ser/Thr (Tn antigen). This precursor is generated in the Golgi apparatus on newly synthesized glycoproteins by a family of polypeptide α-N-acetylgalactosaminyltransferases (ppGalNAcTs) and then extended to the common core 1 O-glycan Galβ1-3GalNAcα1-O-Ser/Thr (T antigen) by a single enzyme termed the T-synthase (core 1 β3-galactosyltransferase or C1GalT). Formation of the active form of the T-synthase requires a unique molecular chaperone termed Cosmc, encoded by Cosmc on the X-chromosome (Xq24 in humans, Xc3 in mice). Cosmc resides in the endoplasmic reticulum (ER) and prevents misfolding, aggregation, and proteasome-dependent degradation of newly synthesized T-synthase. Loss of expression of active T-synthase or Cosmc can lead to expression of the Tn antigen, along with its sialylated version Sialyl Tn antigen as observed in several cancers. Both genetic and epigenetic pathways, in addition to potential metabolic regulation, can result in abnormal expression of the Tn antigen. Engineered expression of the Tn antigen by disruption of either C1GalT (T-syn) or Cosmc in mice is associated with a tremendous range of pathologies and engineered expression of the Tn antigen in mouse embryos leads to embryonic death. Studies indicate that many membrane glycoproteins expressing the Tn antigen and/or truncated O-glycans may be dysfunctional, due to degradation and/or misfolding. Thus, expression of normal O-glycans is associated with health and homeostasis whereas truncation of O-glycans, e.g. the Tn and/or Sialyl Tn antigens is associated with cancer and other pathologies.
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Affiliation(s)
- Tongzhong Ju
- Department of Biochemistry and the Emory Glycomics Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Rajindra P Aryal
- Department of Biochemistry and the Emory Glycomics Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Matthew R Kudelka
- Department of Biochemistry and the Emory Glycomics Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Yingchun Wang
- Department of Biochemistry and the Emory Glycomics Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Richard D Cummings
- Department of Biochemistry and the Emory Glycomics Center, Emory University School of Medicine, Atlanta, GA, USA
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14
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Healing Process in Mice Model of Surgical Wounds Enhanced by Phyllocaulis boraceiensis Mucus. Adv Skin Wound Care 2014; 27:538-47. [DOI: 10.1097/01.asw.0000456683.55591.af] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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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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16
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Ju T, Wang Y, Aryal RP, Lehoux SD, Ding X, Kudelka MR, Cutler C, Zeng J, Wang J, Sun X, Heimburg-Molinaro J, Smith DF, Cummings RD. Tn and sialyl-Tn antigens, aberrant O-glycomics as human disease markers. Proteomics Clin Appl 2013; 7:618-31. [PMID: 23857728 DOI: 10.1002/prca.201300024] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Accepted: 04/24/2013] [Indexed: 12/12/2022]
Abstract
In many different human disorders, the cellular glycome is altered. An interesting but poorly understood alteration occurs in the mucin-type O-glycome, in which there is aberrant expression of the truncated O-glycans Tn (GalNAcα1-Ser/Thr) and its sialylated version sialyl-Tn (STn) (Neu5Acα2,6GalNAcα1-Ser/Thr). Both Tn and STn are tumor-associated carbohydrate antigens and tumor biomarkers, since they are not expressed normally and appear early in tumorigenesis. Moreover, their expression is strongly associated with poor prognosis and tumor metastasis. The Tn and STn antigens are also expressed in other human diseases and disorders, such as Tn syndrome and IgA nephropathy. The major pathological mechanism for expression of the Tn and STn antigens is compromised T-synthase activity, resulting from alteration of the X-linked gene that encodes for Cosmc, a molecular chaperone specifically required for the correct folding of T-synthase to form active enzyme. This review will summarize our current understanding of the Tn and STn antigens in terms of their biochemistry and role in pathology.
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Affiliation(s)
- Tongzhong Ju
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Yingchun Wang
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Rajindra P Aryal
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Sylvain D Lehoux
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Xiaokun Ding
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Matthew R Kudelka
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Christopher Cutler
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Junwei Zeng
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Jianmei Wang
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Xiaodong Sun
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | | | - David F Smith
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Richard D Cummings
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
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17
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Abstract
Lectins are naturally occurring carbohydrate-binding molecules. A very wide range of purified lectins are commercially available which exhibit a diversity of carbohydrate-binding preferences. They can be used in the laboratory to detect carbohydrate structures on, or in, cells and tissues in much the same way that purified antibodies can be employed to detect cell- or tissue-bound antigens using immunocytochemistry. As lectins can distinguish subtle alterations in cellular glycosylation, they are helpful in exploring the glycosylation changes that attend both transformation to malignancy and tumour progression. In this chapter, methodologies are given for appropriate preparation of many types of cell and tissue preparations, including cells cultured on coverslips (which can be used for live-cell imaging), cell smears, and frozen (cryostat) and fixed, paraffin wax-embedded tissue sections. Heat- and enzyme-based carbohydrate retrieval methods are covered. Basic detection methods, which can be readily adapted to the researcher's needs, are given for direct (labelled lectin), simple indirect (labelled secondary antibody directed against the lectin), and avidin-biotin (biotinylated lectin) and avidin-biotin complex. The use of both the enzyme label, horseradish peroxidase, and fluorescent labels is considered.
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18
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Stübke K, Wicklein D, Herich L, Schumacher U, Nehmann N. Selectin-deficiency reduces the number of spontaneous metastases in a xenograft model of human breast cancer. Cancer Lett 2012; 321:89-99. [PMID: 22366582 DOI: 10.1016/j.canlet.2012.02.019] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2011] [Revised: 02/16/2012] [Accepted: 02/16/2012] [Indexed: 01/02/2023]
Abstract
Metastasis formation is a complex process still poorly understood. Previous work in a colon cancer xenograft model showed that E(ndothelial) and P(latelet) selectins mediate spontaneous metastasis to the lungs. To investigate the functional role of selectins in breast cancer, human DU4475 breast cancer cells were injected subcutaneously into pfp-/-rag2-/- mice and in all their selectin-deficient variants (EP-/-, E-/- and P-/-). Pfp-/-rag2-/- mice as well as all their selectin-deficient variants developed primary tumours and spontaneous metastases. Compared with the wild-type mice, disseminated tumours cells were significantly lower (74% reduction, P=0.046) in the bone marrow of selectin-deficient mice. Pfp-/-rag2-/- mice developed significantly higher numbers of lung metastases (6644.83±741.77) than the E-/- (4053.33±112.58; P=0.002) and the EP-/- pfp-/-rag2-/- mice (4665.65±754.50; P<0.001). The results indicate that E- and P-selectins play a role in spontaneous metastasis formation both into bone marrow and lungs. However, spontaneous metastasis was not completely abrogated, hence additional cell adhesion molecules must be involved in the metastatic spread.
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Affiliation(s)
- Katrin Stübke
- University Medical Center Hamburg-Eppendorf, Center for Experimental Medicine, Department of Anatomy and Experimental Morphology, Hamburg, Germany.
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19
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Rambaruth ND, Greenwell P, Dwek MV. The lectin Helix pomatia agglutinin recognizes O-GlcNAc containing glycoproteins in human breast cancer. Glycobiology 2012; 22:839-48. [DOI: 10.1093/glycob/cws051] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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20
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Parameswaran R, Sadler G, Brooks S. Helix pomatia Agglutinin Binding Glycoproteins in Thyroid Tumors. World J Surg 2011; 35:2219-27. [DOI: 10.1007/s00268-011-1196-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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21
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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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22
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Markiv A, Peiris D, Curley GP, Odell M, Dwek MV. Identification, cloning, and characterization of two N-acetylgalactosamine-binding lectins from the albumen gland of Helix pomatia. J Biol Chem 2011; 286:20260-6. [PMID: 21372134 DOI: 10.1074/jbc.m110.184515] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Helix pomatia agglutinin (HPA), the lectin from the albumen gland of the Roman snail, has been used in histochemical studies relating glycosylation changes to the metastatic potential of solid tumors. To facilitate the use of HPA in a clinical (diagnostic) setting, detailed analysis of the lectin, including cloning and recombinant production of HPA, is required. A combination of isoelectric focusing, amino acid sequence analysis, and cloning revealed two polypeptides in native HPA preparations (HPAI and HPAII), both consistent with GalNAc-binding lectins of the H-type family. Pairwise sequence alignment showed that HPAI and HPAII share 54% sequence identity whereas molecular modeling using SWISS-MODEL suggests they are likely to adopt similar tertiary structure. The inherent heterogeneity of native HPA highlighted the need for production of functional recombinant protein; this was addressed by preparing His-thioredoxin-tagged fusion products in Escherichia coli Rosetta-gami B (DE3) cells. The recombinant lectins agglutinated human blood group A erythrocytes whereas their oligosaccharide specificity, evaluated using glycan microarrays, showed that they predominantly bind glycans with terminal α-GalNAc residues. Surface plasmon resonance with immobilized GalNAc-BSA confirmed that recombinant HPAI and HPAII bind strongly with this ligand (K(d) = 0.60 nm and 2.00 nm, respectively) with a somewhat higher affinity to native HPA (K(d) = 7.67 nm). Recombinant HPAII also bound the breast cancer cells of breast cancer tissue specimens in a manner similar to native lectin. The recombinant HPA described here shows important potential for future studies of cancer cell glycosylation and as a reagent for cancer prognostication.
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Affiliation(s)
- Anatoliy Markiv
- Department of Molecular and Applied Biosciences, School of Life Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, United Kingdom
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23
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Bolscher JGM, Brevoord J, Nazmi K, Ju T, Veerman ECI, van Wijk JAE, Cummings RD, van Die I. Solid-phase synthesis of a pentavalent GalNAc-containing glycopeptide (Tn antigen) representing the nephropathy-associated IgA hinge region. Carbohydr Res 2010; 345:1998-2003. [PMID: 20719305 DOI: 10.1016/j.carres.2010.07.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2010] [Revised: 07/08/2010] [Accepted: 07/12/2010] [Indexed: 11/28/2022]
Abstract
Incomplete or aberrant glycosylation leading to Tn antigen (GalNAcalpha1-Ser/Thr) expression on human glycoproteins is strongly associated with human pathological conditions, including tumors, certain autoimmune diseases, such as the idiopathic IgA nephropathy, and may modulate immune homeostasis. In addition, the Tn antigen is highly expressed by certain pathogens and plays a role in host-pathogen interactions. To enable experimental approaches to study interactions of the Tn antigen with the immune system and analyze anti-Tn antibody responses in infection or disorders, we generated a Tn-expressing resource that can be used for high-throughput screening. In consideration of IgA nephropathy in which the hinge region is incompletely glycosylated, we used this hinge sequence that encodes five potential glycosylation sites as the ideal template for the synthesis of a Tn antigen-expressing glycopeptide. Inclusion of an N-terminal biotin in the peptide enabled binding to streptavidin-coated ELISA plates as monitored using Helix pomatia agglutinin or anti-Tn monoclonal antibody. We also found that the biotinylated IgA-Tn peptide is a functional acceptor for beta1-3-galactosylation using recombinant T-synthase (beta1-3-galactosyltransferase). Besides its immunochemical functionality as a possible diagnostic tool for IgA nephropathy, the peptide is an excellent substrate for glycan elongation and represents a novel template applicable for glycan-antigen-associated diseases.
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Affiliation(s)
- Jan G M Bolscher
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, Van der Boechorststraat 7, NL-1081 BT, The Netherlands.
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24
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Hinge A, Bajaj M, Limaye L, Surolia A, Kale V. Oral Administration of Insulin Receptor-Interacting Lectins Leads to an Enhancement in the Hematopoietic Stem and Progenitor Cell Pool of Mice. Stem Cells Dev 2010; 19:163-74. [DOI: 10.1089/scd.2009.0128] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Ashwini Hinge
- National Center for Cell Science, Ganeshkhind, University of Pune Campus, Pune, India
| | - Manmohan Bajaj
- National Center for Cell Science, Ganeshkhind, University of Pune Campus, Pune, India
| | - Lalita Limaye
- National Center for Cell Science, Ganeshkhind, University of Pune Campus, Pune, India
| | - Avadhesha Surolia
- National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, India
| | - Vaijayanti Kale
- National Center for Cell Science, Ganeshkhind, University of Pune Campus, Pune, India
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25
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Kuno A, Matsuda A, Ikehara Y, Narimatsu H, Hirabayashi J. Differential Glycan Profiling by Lectin Microarray Targeting Tissue Specimens. Methods Enzymol 2010; 478:165-79. [DOI: 10.1016/s0076-6879(10)78007-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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26
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Singh SK, Streng-Ouwehand I, Litjens M, Weelij DR, García-Vallejo JJ, van Vliet SJ, Saeland E, van Kooyk Y. Characterization of murine MGL1 and MGL2 C-type lectins: distinct glycan specificities and tumor binding properties. Mol Immunol 2009; 46:1240-9. [PMID: 19162326 DOI: 10.1016/j.molimm.2008.11.021] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2008] [Revised: 11/17/2008] [Accepted: 11/21/2008] [Indexed: 12/25/2022]
Abstract
Antigen presenting cells (APC) express a variety of pattern recognition receptors, including the C-type lectin receptors (CLR) that specifically recognize carbohydrate structures expressed on self-tissue and pathogens. The CLR play an important role in antigen uptake and presentation and have been shown to mediate cellular interactions. The ligand specificity of the human macrophage galactose-type lectin (MGL) has been characterized extensively. Here, we set out to determine the glycan specificity of the murine homologues, MGL1 and MGL2, using a glycan array. Murine MGL1 was found to be highly specific for Lewis X and Lewis A structures, whereas mMGL2, more similar to the human MGL, recognized N-acetylgalactosamine (GalNAc) and galactose, including the O-linked Tn-antigen, TF-antigen and core 2. The generation of MGL1 and MGL2-Fc proteins allowed us to identify ligands in lymph nodes, and MGL1-Fc additionally recognized high endothelial venules. Strikingly, MGL2 interacted strongly to adenocarcinoma cells, suggesting a potential role in tumor immunity.
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Affiliation(s)
- Satwinder Kaur Singh
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
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27
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Das S. Section Review: Oncologic, Endocrine & Metabolic: Plant lectins in the prevention and control of tumour growth - future directions in cancer therapy? Expert Opin Investig Drugs 2008. [DOI: 10.1517/13543784.4.12.1293] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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28
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Saeland E, van Vliet SJ, Bäckström M, van den Berg VCM, Geijtenbeek TBH, Meijer GA, van Kooyk Y. The C-type lectin MGL expressed by dendritic cells detects glycan changes on MUC1 in colon carcinoma. Cancer Immunol Immunother 2007; 56:1225-36. [PMID: 17195076 PMCID: PMC11031027 DOI: 10.1007/s00262-006-0274-z] [Citation(s) in RCA: 288] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2006] [Accepted: 11/25/2006] [Indexed: 10/23/2022]
Abstract
The epithelial mucin MUC1 is a high molecular weight membrane glycoprotein frequently overexpressed and aberrantly glycosylated in adenocarcinoma. Mucins normally contain high amounts of O-linked carbohydrate structures that may influence immune reactions to this antigen. During malignant transformation, certain glyco-epitopes of MUC1, such as Tn-antigen, TF-antigen and their sialylated forms become exposed. The role of these glycan structures in tumor biology is unknown, but their presence is known to correlate with poor prognosis in several adenocarcinomas. We analyzed the potency of MUC1 containing Tn-antigens (MUC1-Tn) to target C-type lectins that function as carbohydrate recognition and uptake molecules on dendritic cells (DC). We identified the macrophage galactose type C-type lectin (MGL), expressed by both DC and macrophages, as the receptor for recognition and binding of MUC1-Tn. To validate the occurrence of MGL-MUC1 interactions in situ, we studied the binding of MGL to MUC1 in primary colon carcinoma tissue. Isolation of MUC1 out of colon carcinoma tissue showed strong binding activity to MGL. Interestingly, MGL binding to MUC1 was highly correlated to binding by the lectin Helix pomatia agglutinin (HPA), which is associated with poor prognosis in colorectal cancer. The detection of MGL positive cells in situ at the tumor site together with the modified glycosylation status of MUC1 to target MGL on DC suggests that MGL positive antigen presenting cells may play a role in tumor progression.
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MESH Headings
- Acetylgalactosamine/pharmacology
- Adenocarcinoma/immunology
- Adenocarcinoma/metabolism
- Animals
- Antigens, Neoplasm/immunology
- Antigens, Neoplasm/isolation & purification
- Antigens, Neoplasm/metabolism
- Antigens, Tumor-Associated, Carbohydrate/immunology
- Antigens, Tumor-Associated, Carbohydrate/metabolism
- CHO Cells
- Cell Adhesion Molecules/immunology
- Cell Adhesion Molecules/metabolism
- Colon/chemistry
- Colon/cytology
- Colonic Neoplasms/immunology
- Colonic Neoplasms/metabolism
- Cricetinae
- Cricetulus
- Dendritic Cells/immunology
- Dendritic Cells/metabolism
- Endocytosis
- Female
- Glycosylation
- Humans
- Immunoglobulin G/immunology
- Intestinal Mucosa/chemistry
- Intestinal Mucosa/cytology
- Lectins, C-Type/immunology
- Lectins, C-Type/metabolism
- Mice
- Mice, Inbred BALB C
- Monocytes/cytology
- Monosaccharides/pharmacology
- Mucin-1
- Mucins/immunology
- Mucins/isolation & purification
- Mucins/metabolism
- Neoplasm Proteins/immunology
- Neoplasm Proteins/isolation & purification
- Neoplasm Proteins/metabolism
- Protein Binding/drug effects
- Protein Processing, Post-Translational
- Protein Structure, Tertiary
- Receptors, Cell Surface/immunology
- Receptors, Cell Surface/metabolism
- Recombinant Fusion Proteins/chemistry
- Recombinant Fusion Proteins/immunology
- Tandem Repeat Sequences
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Affiliation(s)
- Eirikur Saeland
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Post Box 7057, 1007 MB Amsterdam, The Netherlands
| | - Sandra J. van Vliet
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Post Box 7057, 1007 MB Amsterdam, The Netherlands
| | - Malin Bäckström
- Department of Medical Biochemistry, Gothenborg University, Gothenborg, Sweden
| | - Venice C. M. van den Berg
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Post Box 7057, 1007 MB Amsterdam, The Netherlands
| | - Teunis B. H. Geijtenbeek
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Post Box 7057, 1007 MB Amsterdam, The Netherlands
| | - Gerrit A. Meijer
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
| | - Yvette van Kooyk
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Post Box 7057, 1007 MB Amsterdam, The Netherlands
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29
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Xu X, Wu C, Liu C, Luo Y, Li J, Zhao X, Damme EV, Bao J. Purification and characterization of a mannose-binding lectin from the rhizomes of Aspidistra elatior Blume with antiproliferative activity. Acta Biochim Biophys Sin (Shanghai) 2007; 39:507-19. [PMID: 17622470 DOI: 10.1111/j.1745-7270.2007.00305.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
A lectin with a novel N-terminal amino acid sequence was purified from the rhizomes of Aspidistra elatior Blume by ammonium sulphate precipitation, ion exchange chromatography on diethylaminoethyl-Sepharose and carboxymethyl-Sepharose and gel filtration chromatography on Sephacryl S-100. The A. elatior Blume lectin (AEL) is a heterotetramer with a molecular mass of 56 kDa and composed of two homodimers consisting of two different polypeptides of 13.5 kDa and 14.5 kDa held together by noncovalent interactions. Hapten inhibition assay indicated that hemagglutinating activity of AEL towards rabbit erythrocytes could be inhibited by D-mannose, mannan, thyroglobulin and ovomucoid. The lectin was stable up to 70 degrees C, and showed maximum activity in a narrow pH range of 7.0-8.0. Chemical modification and spectrum analysis indicated that tryptophan, arginine, cysteine and carboxyl group residues were essential for its hemagglutinating activity. However, they might not be present in the active center, except some carboxyl group residues. AEL also showed significant in vitro antiproliferative activity towards Bre-04 (66%), Lu-04 (60%) and HepG2 (56%) of human cancer cell lines.
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Affiliation(s)
- Xiaochao Xu
- College of Life Sciences, Sichuan University, Chengdu 610064, China
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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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Kaur M, Singh K, Rup PJ, Saxena AK, Khan RH, Ashraf MT, Kamboj SS, Singh J. A tuber lectin from Arisaema helleborifolium Schott with anti-insect activity against melon fruit fly, Bactrocera cucurbitae (Coquillett) and anti-cancer effect on human cancer cell lines. Arch Biochem Biophys 2006; 445:156-65. [PMID: 16321359 DOI: 10.1016/j.abb.2005.10.021] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2005] [Revised: 10/22/2005] [Accepted: 10/26/2005] [Indexed: 11/22/2022]
Abstract
An anti-insect and anti-cancer lectin has been isolated from Arisaema helleborifolium Schott by affinity chromatography using asialofetuin-linked amino activated silica beads. The bound A. helleborifolium lectin (AHL) was eluted with 100mM glycine-HCl buffer, pH 2.5. It gave a single band on SDS-PAGE, pH 8.3, and PAGE, pH 4.5. However, multiple bands were obtained in PAGE at pH 8.3 and isoelectric focusing. The lectin was a homotetramer having subunit molecular mass 13.4kDa while its native molecular mass was 52kDa. It was a glycoprotein with 3.40% carbohydrate and was stable up to 60 degrees C for 30min. It showed anti-insect activity towards second instar larvae of Bactrocera cucurbitae (Coquillett) with LC(50) value of 16.4microg/ml. Larvae fed on artificial diet containing sub-lethal dose of AHL showed a significant decrease in acid phosphatase and alkaline phosphatase activity while esterase activity markedly increased as compared to larvae fed on diet without lectin. AHL was also found to inhibit in vitro proliferation of some well established human cancer cell lines viz HOP-62 (95%), HCT-15 (92%), HEP-2 (66%), HT-29 (68%), PC-3 (39.4%), and A-549 (20.7%).
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Affiliation(s)
- Manpreet Kaur
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar 143 005, India
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Abstract
Since the inception of staging for colorectal cancer (CRC), anatomic extent of disease has provided a solid foundation for predicting prognosis and guiding treatment in patients with CRC. However, the rapid advances in biologic and genetic technology have provided many new possibilities for enhancing the predictive power of the staging system. In this article, we will briefly discuss the history of CRC staging, identify the current parameters for American Joint Committee on Cancer staging including recent changes, and offer guidelines for future staging modifications. Although anatomic parameters have served us well for many years, their continued use as sole contributors to CRC staging is questionable. Staging in the future is likely to be a complicated combination of anatomic and biologic markers used together in mathematic modeling to group patients into prognostic risk groups, which can be used to guide tailored therapy.
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Affiliation(s)
- Janet K Horton
- Department of Radiation Oncology, University of North Carolina, Chapel Hill 27599, USA.
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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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de Albuquerque Garcia Redondo P, Nakamura CV, de Souza W, Morgado-Díaz JA. Differential expression of sialic acid and N-acetylgalactosamine residues on the cell surface of intestinal epithelial cells according to normal or metastatic potential. J Histochem Cytochem 2004; 52:629-40. [PMID: 15100240 DOI: 10.1177/002215540405200507] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
In this study we investigated the levels of expression of sialic acid and N-acetylgalactosamine residues on the cell surface of a normal intestinal epithelium cell line, IEC-6, and in two colon adenocarcinoma cell lines with different metastatic potential, Caco-2 and HCT-116. Glycoprotein expression was estimated initially by cytochemistry with WGA and HPA lectins and biochemistry with isolated plasma membrane fractions of the cells. Fluorescence and electron microscopic analyses revealed differences in the expression profile of carbohydrates recognized by the lectins used on the cell surface of IEC-6, Caco-2, and HCT-116 cells. Lectin blotting identified a range of eight HPA-binding glycoprotein bands with molecular weights of 16-66 kD in Caco-2 cells, six glycoproteins of 16-36 kD, and three protein bands of 35, 24, and 21 kD in IEC-6 cells. A minor band of 66 kD and a major one of 50 kD for WGA-binding glycoproteins were observed in IEC-6 cells and seven glycoproteins of 18-97 kD in Caco-2 and HCT-116 cells but with a visible higher expression of these glycoproteins in the latter. Furthermore, significant quantitative difference in levels of expression of WGA- but not of HPA-binding glycoconjugates was noted, as analyzed by high-resolution scanning electron microscopy using backscattered electron images of cells incubated with gold-labeled lectins.
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Sherwani AF, Mohmood S, Khan F, Khan RH, Azfer MA. Characterization of lectins and their specificity in carcinomas-An appraisal. Indian J Clin Biochem 2003; 18:169-80. [PMID: 23105409 PMCID: PMC3453863 DOI: 10.1007/bf02867384] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Lectins, a group of specific glycoproteins present in animal as well as plant cells, are used as differentiating markers to study cancers and metastatic cell lines. This property of lectins depends on the process of cellular glycosylation. Glycosylation of some of the extracellular membrane proteins and lipids maintains the cell/cell and cell/matrix interactions. Chemical alterations in glycosylation play an important role in the metastatic behavior of tumor cells. Carbohydrate residues of the membrane glycoproteins can be detected using lectins due to their binding specificity to carbohydrates. Lectins, therefore have gained an importance in the field of cancer research. Galectins, a specialized group of lectin like proteins that are Ca+ independent and galactoside binding, are also considered as differentiation markers in some specific cancers like the carcinomas of thyroid.Thus the use of lectins and galectins to identify specific carbohydrates present on cell surface help in invasion and metastasis processes.
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Affiliation(s)
| | | | - Fauzia Khan
- Department of Zoology, AMU, 202 002 Aligarh, India
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Brooks SA, Wilkinson D. Validation of a simple avidin-biotin detection method for Helix pomatia lectin (HPA) binding as a prognostic marker in cancer. Acta Histochem 2003; 105:205-12. [PMID: 13677613 DOI: 10.1078/0065-1281-00705] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Helix pomatia lectin (HPA) binding is a marker of metastatic competence in several human cancers. The altered cellular glycosylation detected by HPA is of clinical interest and functional significance, but research has been hampered by uncertainty over appropriate and accessible histochemical methods. Most studies have employed a complex multi-layered detection system localising binding of unconjugated HPA by layering with a polyclonal antibody to HPA, a biotinylated secondary antibody against the first antibody and streptavidin peroxidase. This detection system is sensitive and yields accurate prognostic information, but is lengthy and requires antibodies against HPA that are not widely available. A simpler technique, that uses peroxidase-labelled HPA is inappropriate as the carbohydrate-combining characteristics of the lectin are altered, and the prognostic significance of lectin binding is lost. Therefore a valid alternative, simple and accessible technique is required. In the present study, we compare the results of labelling of HPA binding using the complex multi-layered detection system with a simple avidin-biotin method. In a series of 101 breast cancers, both methods gave comparable results. Therefore, the avidin-biotin method appears to be appropriate for studies on HPA binding to detect altered glycoforms in cancer. It is hoped that its adoption may encourage research into this clinically significant alteration in cellular glycosylation.
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Affiliation(s)
- Susan A Brooks
- Research School of Biological & Molecular Sciences, Oxford Brookes University, Headington, Oxford, UK.
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Chung YC, Chang KJ, Yang CC, Lai MT, Hsu CP, Hsueh SF, Peng CC, Fu HH, Chang YF, Yang SD. Association of proline-directed protein kinase FA with tumorigenesis, invasion, and poor prognosis of human colon carcinoma. Cancer 2002; 95:1840-7. [PMID: 12404276 DOI: 10.1002/cncr.10904] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Initial studies revealed that the multisubstrate proline-directed protein kinase F(A) (PDPK F(A)) is overexpressed in various types of human carcinomas relative to normal controls. Suppression of overexpressed PDPK F(A) inhibits the growth of cancer cells, suggesting a role of this PDPK in human malignancy. In this study, we combine immunohistologic, molecular, cellular, animal, and clinicopathologic studies to demonstrate an essential and critical role of PDPK F(A) in progression and poor prognosis of human colon carcinoma. METHODS The stable antisense clones of human colon carcinoma cells with specific suppression of PDPK F(A) were established for tumorigenesis and invasion studies. In immunohistologic and clinicopathologic studies, the expression and localization of PDPK F(A) were analyzed by immunohistochemical staining of the specimens obtained from human colon carcinoma patients with Dukes Stage B/C. RESULTS Initial molecular and cellular studies revealed that the antisense clone of colon carcinoma cells (COLO-205) with specific suppression of PDPK F(A) dramatically lost capabilities of adhesion, chemotaxis, and invasion when compared with the parental or control-transfected colon carcinoma cells. This is the first indication of an association of overexpressed PDPK F(A) with colon carcinoma progression. In agreement with this notion, the in vivo study also revealed that the mice injected with the antisense clone with low-level PDPK F(A) only developed very small tumors (< 0.5 cm(3)) even after a 6-week observation. This is in contrast to the parental or control-transfected cells that developed large tumors (> 5 cm(3)) under identical conditions. Pathologic evaluation revealed invasion to the muscle layer in all tumors formed by the parental cells. In contrast, there was no sign of invasion in mice injected with the antisense clone, confirming an essential role of PDPK F(A) in colon carcinoma progression. Clinicopathologic study also revealed that PDPK F(A) is preferentially overexpressed in the invasive area of colon carcinomatous tissues and overexpression of PDPK F(A) is statistically and closely correlated with venous/lymphatic infiltration, lymph node metastasis, and poor prognosis of colon carcinoma patients with Dukes Stage B/C. CONCLUSIONS The results demonstrate an essential and critical role of overexpressed PDPK F(A) in progression and poor prognosis of colon carcinoma patients. Suppression of overexpressed PDPK F(A) may provide a new powerful adjuvant approach to prevent human colon carcinoma progression and poor prognosis after surgery and chemotherapy.
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Affiliation(s)
- Yuan-Chiang Chung
- Department of Life Science, National Tsing Hua University, Hsinchu, Taiwan, Republic of China
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Konno A, Hoshino Y, Terashima S, Motoki R, Kawaguchi T. Carbohydrate expression profile of colorectal cancer cells is relevant to metastatic pattern and prognosis. Clin Exp Metastasis 2002; 19:61-70. [PMID: 11918084 DOI: 10.1023/a:1013879702702] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Carbohydrate expression of cancer cells is closely related to the metastatic nature of colorectal cancer. In the present study we investigated the relevance of carbohydrate expression profiles of colorectal cancer cells in the primary lesion to metastatic distribution patterns as well as prognosis in 134 cases. Carbohydrate expression was estimated by histochemistry with 17 kinds of lectins and 3 kinds of Lewis-related monoclonal antibodies (MAbs), and correlations between the staining and clinicopathological parameters were examined. The results showed that lymphatic invasion, lymph node metastasis, and peritoneal metastasis correlated with staining with lectins that bind galactose/N-acetylgalactosamine residues (Gal/GalNAc) such as Maclura pomifera (MPA), Arachis hypogaea (PNA), Helix pomatia (HPA), and Vicia villosa (VVA). In contrast, hepatic metastasis correlated with staining with Anguilla anguilla lectin (AAA), anti-LewisX (LEX-2), anti-sialyl Lewisa (NS 19-9), and anti-sialyl-dimeric LewisX (FH-6) MAbs, all of which bind preferentially to fucosylated carbohydrate chains. The five-year survival rate of patients was related to the staining of cancers with MPA, HPA, FH-6 or NS19-9, and MPA- and FH-6 staining were independent prognostic factors. We conclude that carbohydrate expression profiles of cancer cells are relevant to the route of tumor cell dissemination, metastatic pattern as well as prognosis of colorectal cancer.
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Affiliation(s)
- Akira Konno
- First Department of Surgery, Fukushima Medical University, School of Medicine, Fukushima City, Japan
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Brooks SA, Hall DM, Buley I. GalNAc glycoprotein expression by breast cell lines, primary breast cancer and normal breast epithelial membrane. Br J Cancer 2001; 85:1014-22. [PMID: 11592774 PMCID: PMC2375105 DOI: 10.1054/bjoc.2001.2028] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2000] [Revised: 06/18/2001] [Accepted: 07/02/2001] [Indexed: 11/18/2022] Open
Abstract
Over-expression of N-acetylgalactosamine glycoproteins as detected by binding of the lectin from Helix pomatia (HPA), is associated with metastatic competence and poor patient prognosis in a range of human adenocarcinomas. These glycoproteins remain poorly characterised, and their functional role has yet to be elucidated. This study describes characterisation of a range of human breast/breast cancer cell lines for the expression of the N-acetylgalactosaminylated glycoproteins of interest, and their comparison with normal breast epithelium and a range of clinical breast carcinoma samples. Confocal and light microscopy studies revealed cytochemical HPA-binding patterns consistent with a fundamental disruption in normal glycobiosynthetic pathways attending increasing metastatic potential. We report the most complete comparative analysis of HPA-binding ligands from cultured breast cells, clinical breast carcinoma samples and normal breast epithelium to date. Lectin blotting identified 11 major HPA-binding glycoprotein bands common to both clinical tumour samples and breast cell lines and 6 of these bands were also expressed by samples of normal breast epithelium, albeit at much lower levels. Moreover, very marked quantitative but not qualitative differences in levels of expression consistent with metastatic capability were noted.
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Affiliation(s)
- S A Brooks
- School of Biological & Molecular Sciences, Oxford Brookes University, Gipsy Lane, Headington, Oxford, OX3 0BP, UK
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Dwek MV, Ross HA, Streets AJ, Brooks SA, Adam E, Titcomb A, Woodside JV, Schumacher U, Leathem AJ. Helix pomatia agglutinin lectin-binding oligosaccharides of aggressive breast cancer. Int J Cancer 2001; 95:79-85. [PMID: 11241316 DOI: 10.1002/1097-0215(20010320)95:2<79::aid-ijc1014>3.0.co;2-e] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Predicting long-term outcome after breast-cancer diagnosis remains problematic, particularly for patients with clinically small, axillary lymph node- negative tumours. Evidence suggests that the lectin Helix pomatia agglutinin (HPA) identifies oligosaccharides associated with poor-prognosis cancer. Our aim was to identify oligosaccharides that bind HPA in aggressive breast cancers. Breast-cancer cell lines (MCF-7, BT-549 and BT-20) and a cell line from human milk (HBL-100), which showed a range of HPA-binding intensities, were used to extract HPA-binding glycoproteins. Oligosaccharides were released using anhydrous hydrazine and separated on a range of HPLC matrices. We investigated whether HPA-binding oligosaccharides from cell lines were present in human breast-cancer tissues, using 69 breast-cancer specimens from patients with between 5 and 10 years' follow-up. A monosialylated oligosaccharide was over-expressed in the cell line that bound HPA strongly. Further analysis by normal-phase HPLC showed that the 2-aminobenzamide-conjugated oligosaccharide had a hydrodynamic volume of 4.58 glucose units (HPAgly1). Increased expression of HPAgly1 was associated with HPA staining of breast-cancer specimens (Student's t-test p = 0.025). Analysis of oligosaccharide levels and disease-free survival after treatment for breast cancer indicated a shorter disease-free interval for patients with elevated levels of HPAgly1. This is the first time that histochemical lectin staining has been correlated with biochemical mapping of oligosaccharides. Using this approach, we have identified a monosialylated HPA lectin-binding oligosaccharide present in breast-cancer cells grown in vitro which is elevated in breast-cancer specimens that bind the lectin.
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Affiliation(s)
- M V Dwek
- Department of Surgery, Royal Free and University College London Medical School, London, United Kingdom.
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Thies A, Moll I, Berger J, Schumacher U. Lectin binding to cutaneous malignant melanoma: HPA is associated with metastasis formation. Br J Cancer 2001; 84:819-23. [PMID: 11259098 PMCID: PMC2363810 DOI: 10.1054/bjoc.2000.1673] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Changes in protein glycosylation of tumour cells, as detected by lectin histochemistry, have been associated with metastasis formation in several human malignancies. This study analysed the association between lectin binding and metastasis in cutaneous malignant melanoma. In a 10-year retrospective study, sections of 100 primary cutaneous malignant melanomas were histochemically stained for the following 5 lectins: HPA, SNA-I, MAA, WGA and PHA-L, differing in their carbohydrate specificity. Since differences in the results of HPA binding depending on methodology have been reported, an indirect and a biotinylated method were employed for HPA. Kaplan-Meier analysis of time to first metastasis revealed a positive correlation between HPA binding and metastasis for both methods, with the biotinylated HPA method (P< 0.0001) being superior to the 'indirect' method (P = 0.0006). Cox regression analysis demonstrated that even after adjustment for stage, HPA positivity is an independent predictor for metastasis. The results of the present study indicate that N -acetyl-galactosamine/-glucosamine residues, recognized by HPA, are linked to metastasis in malignant melanoma. In contrast, beta1-6 branched oligosaccharides or sialic acid residues, both of which were correlated with metastasis in other malignancies, are of no functional importance for metastasis formation in malignant melanoma. Thus, HPA proved to be a useful and independent prognostic marker for the metastatic phenotype of melanoma.
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Affiliation(s)
- A Thies
- Institute for Anatomy, University Hospital Hamburg-Eppendorf, Martinistrasse 52, Hamburg, D-20246 Hamburg
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Brooks SA, Carter TM. N-acetylgalactosamine, N-acetylglucosamine and sialic acid expression in primary breast cancers. Acta Histochem 2001; 103:37-51. [PMID: 11252626 DOI: 10.1078/0065-1281-00576] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Binding of the lectin from Helix pomatia (HPA), which recognises N-acetylgalactosamine and N-acetylglucosamine glycans, is a predictor of metastasis and poor prognosis in a number of human adenocarcinomas, including breast cancer. The glycoproteins to which it binds in these tumours have been only partially characterised, and the mechanisms underlying their biosynthesis remain unknown. In this study, 111 primary breast cancers were assessed for binding of HPA and labelling characteristics were compared directly with those of Dolichos biflorus agglutinin and soybean agglutinin, both of which also recognise N-acetylgalactosamine, Griffonia simplicifolia agglutinin II, which recognises N-acetylglucosamine, and Limax flavus agglutinin, Sambucus nigra agglutinin and Maackia amurensis lectin I, all of which recognise sialic acids. Results indicate that the HPA-binding partners expressed by cancer cells are predominantly N-acetylgalactosamine glycans, but some recognition of N-acetylglucosamine species is also likely. There was no evidence to support the hypothesis that overexpression of these moieties results from failure in sialylation. Alternative mechanisms, for example alterations in levels of activity of appropriate glycosyl transferases or disruption in transport and processing mechanisms leading to failure of normal chain extension of glycans may be responsible, and these are areas that warrant further investigation.
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Affiliation(s)
- S A Brooks
- Research School of Biological and Molecular Sciences, Oxford Brookes University, Headington, UK.
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Jojovic M, Schumacher U. Quantitative assessment of spontaneous lung metastases of human HT29 colon cancer cells transplanted into SCID mice. Cancer Lett 2000; 152:151-6. [PMID: 10773406 DOI: 10.1016/s0304-3835(99)00443-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The number of spontaneous lung metastases of the human colon cancer cell line HT29 transplanted into SCID mice was quantified. The lungs were sliced, randomly distributed in agar blocks and the number of lung metastases was counted for each of 39 animals. A nearly exponential increase of metastases with weight of the tumor at the implantation site was observed. This suggests that a critical tumor weight for the initiation of metastatic spread exists. Calculating the data, a simplified quantitative assessment of the metastatic load by counting ten histological sections only for the estimation of the total number of lung metastases is proposed.
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Affiliation(s)
- M Jojovic
- Institute for Anatomy, University Hospital Eppendorf, Martinistrasse 52, D-20246, Hamburg, Germany
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44
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Affiliation(s)
- H L McLeod
- Department of Medicine & Therapeutics, University of Aberdeen, Foresterhill, UK
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Melato M, Mustac E, Valkovic T, Bottin C, Sasso F, Jonjic N. The lectin-binding sites for peanut agglutinin in invasive breast ductal carcinomas and their metastasis. Pathol Res Pract 1998; 194:603-8. [PMID: 9793958 DOI: 10.1016/s0344-0338(98)80094-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Peanut agglutinin (PNA) lectin-binding site patterns in primary invasive breast ductal not otherwise specified (NOS) carcinomas are related to aggressiveness of the tumor. The present study was designed to compare the expression of PNA-binding sites in the primary tumor and in local lymph node metastases. The expression of lectin-binding sites was studied using the avidin-biotin complex/immunoperoxidase technique and analyzed in relation to age of the patient and size of the breast cancer. Breast cancers and their metastases showed negativity or positivity, the latter being divided into "apical" and "non-apical" (i.e. membrane and/or cytoplasmic) depending on the main localization of staining in tumor cells. No correlation was found between primary tumors and metastases as regards PNA-binding patterns, which confirms the opinion that advanced primary tumors are polyclonal and that selected subclones of malignant cells give rise to metastases. Furthermore, the fact that primary tumors with PNA non-apical expression, a feature related to aggressiveness and poor differentiation, may have lymph node metastases with apical expression, suggests that this pattern, although no longer evident in the primary tumor, is involved in the process of cell metastasis.
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Affiliation(s)
- M Melato
- Department of Biomedical Science, Medical Faculty, University of Rijeka, Croatia.
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Okuyama T, Maehara Y, Kakeji Y, Tsuijitani S, Korenaga D, Sugimachi K. Interrelation between tumor-associated cell surface glycoprotein and host immune response in gastric carcinoma patients. Cancer 1998; 82:1468-75. [PMID: 9554522 DOI: 10.1002/(sici)1097-0142(19980415)82:8<1468::aid-cncr6>3.0.co;2-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Expression of changes in cell surface glycoprotein may correlate with the malignant potential and development of gastric carcinoma. Immunologic defense mechanisms of the host against the tumor can be effective in preventing the development of gastric carcinoma. The authors studied the effects of immunologic defense of the host against the tumor, using infiltration of S-100 protein positive dendritic cells (DC) as a marker. In cases with or without changes in the surface glycoprotein of tumor cells, determinations were made by binding of Helix pomatia agglutinin (HPA). METHODS Paraffin blocks of 123 gastric carcinoma specimens were prepared for immunohistochemical staining with the antibody against HPA and S-100 protein. Clinicopathologic factors and patient prognosis were examined for each indicator. RESULTS Patients with HPA positive tumors had a more aggressive character in several important prognostic aspects and poorer 5-year survival rates compared with patients with HPA negative tumors. The degree of infiltration of DC had no particular correlation with pathologic factors, and there was no significant difference between the prognosis of patients with slight and marked DC infiltration. In the HPA negative patients there was no significant difference in the 5-year survival rates between patients with slight and marked DC infiltration; however, in the HPA positive patients the 5-year survival rates of patients with marked infiltration of DC were higher. Further investigation showed that patients with marked DC infiltration had better 5-year survival rates than patients with slight DC infiltration, especially in patients with HPA positive and histologically advanced disease. CONCLUSIONS Patients with a higher immunologic defense against cancer cells, as indicated by marked infiltration of DC, had a better prognosis in cases of gastric carcinomas of highly malignant potential, as indicated by a positive HPA.
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Affiliation(s)
- T Okuyama
- Department of Surgery II, Faculty of Medicine, Kyushu University, Fukuoka, Japan
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Mitchell BS, Brooks SA, Leathem AJ, Schumacher U. Do HPA and PHA-L have the same binding pattern in metastasizing human breast and colon cancers? Cancer Lett 1998; 123:113-9. [PMID: 9461027 DOI: 10.1016/s0304-3835(97)00414-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Glycoconjugates on the tumour cell surface are functionally important for the interaction of the tumour cell with its environment. Several studies have demonstrated that particular carbohydrate residues on primary cancers are associated with metastasis. Identification of such residues is possible using lectins, including Helix pomatia agglutinin (HPA) which has a nominal monosaccharide specificity for N-acetyl galactosamine (GalNAc) and Phaseolus vulgaris leucoagglutinin (PHA-L) which recognizes beta1-6 branched oligosaccharides. Both lectins have been reported to be valuable prognostic markers in breast and colon cancers. In the present study, the binding patterns of both lectins were investigated on serial sections of human breast cancers and on metastatic and non-metastatic human breast and colon cancer cell lines grown in severe combined immunodeficient (SCID) mice. The two lectins gave very different staining patterns and HPA was more often associated with metastases than PHA-L. Our results indicate that both lectins are not simply recognizing different oligosaccharides associated with the same common metastasis-related glycoconjugate.
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Affiliation(s)
- B S Mitchell
- Anglo-European College of Chiropractic, Bournemouth, UK
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Schumacher U, Adam E. Immunohistochemical detection of the MUC1 gene product in human cancers grown in scid mice. J Histochem Cytochem 1998; 46:127-34. [PMID: 9405502 DOI: 10.1177/002215549804600116] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Alterations in mucin expression have been detected in many clinically relevant cancers and, in particular, the polymorphic epithelial mucin, encoded by the MUC1 gene, has attracted considerable attention. We investigated its expression in human breast, colon, ovarian, lung, and skin cancer cells and their metastases grown in severe combined immunodeficient (scid) mice using three different monoclonal antibodies (HMFG-1, HMFG-2, and SM3). Four of five breast cancer cell lines, three of five colon cancer cell lines, two of three small-cell carcinoma of the lung cell lines, and A 431 cells all expressed the MUC1 gene product. Neuraminidase predigestion often enhanced HMFG-1 immunoreactivity, which was more widespread and stronger than SM3 immunoreactivity. A considerable heterogeneity of MUC1 gene product expression was observed in the same tumors grown in different mice. The binding pattern between single-cell/small-cell clusters (up to 10 cells) and larger cell number aggregates varied. The results indicate that the MUC1 gene expression both in primary tumors and metastases is not tightly controlled within a particular tumor cell line. Because of this heterogeneous antigen expression in vivo, it appears impossible to target all metastatic deposits by a single monoclonal antibody directed against the MUC1 gene product. (J Histochem Cytochem 46:127-134, 1998)
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Affiliation(s)
- U Schumacher
- Human Morphology, University of Southampton, Southampton, United Kingdom
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Schumacher U, Adam E. Lectin histochemical HPA-binding pattern of human breast and colon cancers is associated with metastases formation in severe combined immunodeficient mice. THE HISTOCHEMICAL JOURNAL 1997; 29:677-84. [PMID: 9413741 DOI: 10.1023/a:1026404832394] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Metastasis formation is a major clinical problem in cancer treatment, and no significant progress in the treatment of metastatic spread has been made. This apparent lack of progress is partly caused by the absence of clinically relevant animal models of metastases. The binding of the lectin Helix pomatia agglutinin (HPA) has been associated with a poor prognosis in breast and colon cancer patients. HPA-positive and -negative human breast and colon cancer cell lines were transplanted into severe combined immunodeficient (SCID) mice. HPA-positive breast cancer cell lines (MCF-7 and T47D) metastasized in SCID mice, whereas the HPA-negative ones (BT20, HS578T and HBL100) did not. The HPA-positive colon cancer cell line HT29 metastasized, while the HPA-negative ones (COLO320DM, SW480 and SW620) did not. However, in two of eight SCID mice inoculated with the HPA-negative colon cancer cell line, CACO2 metastatic deposits were found. Despite this exception, HPA binding is a good indicator of the metastasis of human breast and colon cancer cells in SCID mice: 23 out of 26 HPA-positive cancers metastasized, as opposed to only two out of 38 HPA-negative cancers. This experimental model is well suited for investigating the functional role of carbohydrate residues recognized by HPA in breast and colon cancer metastasis.
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