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Santamaria S. ADAMTS-5: A difficult teenager turning 20. Int J Exp Pathol 2020; 101:4-20. [PMID: 32219922 DOI: 10.1111/iep.12344] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/28/2019] [Accepted: 01/19/2020] [Indexed: 12/13/2022] Open
Abstract
A Disintegrin And Metalloproteinase with ThromboSpondin motif (ADAMTS)-5 was identified in 1999 as one of the enzymes responsible for cleaving aggrecan, the major proteoglycan in articular cartilage. Studies in vitro, ex vivo and in vivo have validated ADAMTS-5 as a target in osteoarthritis (OA), a disease characterized by extensive degradation of aggrecan. For this reason, it attracted the interest of many research groups aiming to develop a therapeutic treatment for OA patients. However, ADAMTS-5 proteoglycanase activity is not only involved in the dysregulated aggrecan proteolysis, which occurs in OA, but also in the physiological turnover of other related proteoglycans. In particular, versican, a major ADAMTS-5 substrate, plays an important structural role in heart and blood vessels and its proteolytic processing by ADAMTS-5 must be tightly regulated. On the occasion of the 20th anniversary of the discovery of ADAMTS-5, this review looks at the evidence for its detrimental role in OA, as well as its physiological turnover of cardiovascular proteoglycans. Moreover, the other potential functions of this enzyme are highlighted. Finally, challenges and emerging trends in ADAMTS-5 research are discussed.
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Theocharis AD, Manou D, Karamanos NK. The extracellular matrix as a multitasking player in disease. FEBS J 2019; 286:2830-2869. [PMID: 30908868 DOI: 10.1111/febs.14818] [Citation(s) in RCA: 228] [Impact Index Per Article: 45.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 02/06/2019] [Accepted: 03/22/2019] [Indexed: 12/12/2022]
Abstract
Extracellular matrices (ECMs) are highly specialized and dynamic three-dimensional (3D) scaffolds into which cells reside in tissues. ECM is composed of a variety of fibrillar components, such as collagens, fibronectin, and elastin, and non-fibrillar molecules as proteoglycans, hyaluronan, and glycoproteins including matricellular proteins. These macromolecular components are interconnected forming complex networks that actively communicate with cells through binding to cell surface receptors and/or matrix effectors. ECMs exert diverse roles, either providing tissues with structural integrity and mechanical properties essential for tissue functions or regulating cell phenotype and functions to maintain tissue homeostasis. ECM molecular composition and structure vary among tissues, and is markedly modified during normal tissue repair as well as during the progression of various diseases. Actually, abnormal ECM remodeling occurring in pathologic circumstances drives disease progression by regulating cell-matrix interactions. The importance of matrix molecules to normal tissue functions is also highlighted by mutations in matrix genes that give rise to genetic disorders with diverse clinical phenotypes. In this review, we present critical and emerging issues related to matrix assembly in tissues and the multitasking roles for ECM in diseases such as osteoarthritis, fibrosis, cancer, and genetic diseases. The mechanisms underlying the various matrix-based diseases are also discussed. Research focused on the highly dynamic 3D ECM networks will help to discover matrix-related causative abnormalities of diseases as well as novel diagnostic tools and therapeutic targets.
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Affiliation(s)
- Achilleas D Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Dimitra Manou
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
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Biomolecular analysis of matrix proteoglycans as biomarkers in non small cell lung cancer. Glycoconj J 2018; 35:233-242. [DOI: 10.1007/s10719-018-9815-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 01/28/2018] [Accepted: 02/06/2018] [Indexed: 01/18/2023]
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Theocharis AD, Karamanos NK. Proteoglycans remodeling in cancer: Underlying molecular mechanisms. Matrix Biol 2017; 75-76:220-259. [PMID: 29128506 DOI: 10.1016/j.matbio.2017.10.008] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 02/07/2023]
Abstract
Extracellular matrix is a highly dynamic macromolecular network. Proteoglycans are major components of extracellular matrix playing key roles in its structural organization and cell signaling contributing to the control of numerous normal and pathological processes. As multifunctional molecules, proteoglycans participate in various cell functions during morphogenesis, wound healing, inflammation and tumorigenesis. Their interactions with matrix effectors, cell surface receptors and enzymes enable them with unique properties. In malignancy, extensive remodeling of tumor stroma is associated with marked alterations in proteoglycans' expression and structural variability. Proteoglycans exert diverse functions in tumor stroma in a cell-specific and context-specific manner and they mainly contribute to the formation of a permissive provisional matrix for tumor growth affecting tissue organization, cell-cell and cell-matrix interactions and tumor cell signaling. Proteoglycans also modulate cancer cell phenotype and properties, the development of drug resistance and tumor stroma angiogenesis. This review summarizes the proteoglycans remodeling and their novel biological roles in malignancies with particular emphasis to the underlying molecular mechanisms.
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Affiliation(s)
- Achilleas D Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece.
| | - Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece.
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Binder MJ, McCoombe S, Williams ED, McCulloch DR, Ward AC. The extracellular matrix in cancer progression: Role of hyalectan proteoglycans and ADAMTS enzymes. Cancer Lett 2016; 385:55-64. [PMID: 27838414 DOI: 10.1016/j.canlet.2016.11.001] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 10/28/2016] [Accepted: 11/01/2016] [Indexed: 01/08/2023]
Abstract
Remodelling of the extracellular matrix (ECM) has emerged as a key factor in cancer progression. Proteoglycans, including versican and other hyalectans, represent major structural elements of the ECM where they interact with other important molecules, including the glycosaminoglycan hyaluronan and the CD44 cell surface receptor. The hyalectan proteoglycans are regulated through cleavage by the proteolytic actions of A Disintegrin-like And Metalloproteinase domain with Thrombospondin-1 motif (ADAMTS) family members. Alteration in the balance between hyalectan proteoglycans and ADAMTS enzymes has been proposed to be a crucial factor in cancer progression either in a positive or negative manner depending on the context. Further complexity arises due to the formation of bioactive cleavage products, such as versikine, which may also play a role, and non-enzymatic functions for ADAMTS proteins. This research is providing fresh insights into cancer biology and opportunities for the development of new diagnostic and treatment strategies.
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Affiliation(s)
- Marley J Binder
- School of Medicine, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Scott McCoombe
- School of Medicine, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Elizabeth D Williams
- Australian Prostate Cancer Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Princess Alexandra Hospital, Translational Research Institute, Brisbane, Queensland 4000, Australia
| | - Daniel R McCulloch
- School of Medicine, Deakin University, Waurn Ponds, Victoria 3216, Australia; Centre for Molecular and Medical Research, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Alister C Ward
- School of Medicine, Deakin University, Waurn Ponds, Victoria 3216, Australia; Centre for Molecular and Medical Research, Deakin University, Waurn Ponds, Victoria 3216, Australia.
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Association between the CpG island methylator phenotype and its prognostic significance in primary pulmonary adenocarcinoma. Tumour Biol 2016; 37:10675-84. [DOI: 10.1007/s13277-016-4932-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 01/28/2016] [Indexed: 10/22/2022] Open
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Suhovskih AV, Aidagulova SV, Kashuba VI, Grigorieva EV. Proteoglycans as potential microenvironmental biomarkers for colon cancer. Cell Tissue Res 2015; 361:833-44. [PMID: 25715761 DOI: 10.1007/s00441-015-2141-8] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 01/28/2015] [Indexed: 12/18/2022]
Abstract
Glycosylation changes occur widely in colon tumours, suggesting glycosylated molecules as potential biomarkers for colon cancer diagnostics. In this study, proteoglycans (PGs) expression levels and their transcriptional patterns are investigated in human colon tumours in vivo and carcinoma cells in vitro. According to RT-PCR analysis, normal and cancer colon tissues expressed a specific set of PGs (syndecan-1, perlecan, decorin, biglycan, versican, NG2/CSPG4, serglycin, lumican, CD44), while the expression of glypican-1, brevican and aggrecan was almost undetectable. Overall transcriptional activity of the PGs in normal and cancer tissues was similar, although expression patterns were different. Expression of decorin and perlecan was down-regulated 2-fold in colon tumours, while biglycan and versican expression was significantly up-regulated (6-fold and 3-fold, respectively). Expression of collagen1A1 was also increased 6-fold in colon tumours. However, conventional HCT-116 colon carcinoma and AG2 colon cancer-initiating cells did not express biglycan and decorin and were versican-positive and -negative, respectively, demonstrating an extracellular origin of the PGs in cancer tissue. Selective expression of heparan sulfate (HS) proteoglycans syndecan-1 and perlecan in the AG2 colon cancer-initiating cell line suggests these PGs as potential biomarkers for cancer stem cells. Overall transcriptional activity of the HS biosynthetic system was similar in normal and cancer tissues, although significant up-regulation of extracellular sulfatases SULF1/2 argues for a possible distortion of HS sulfation patterns in colon tumours. Taken together, the obtained results suggest versican, biglycan, collagen1A1 and SULF1/2 expression as potential microenvironmental biomarkers and/or targets for colon cancer diagnostics and treatment.
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Affiliation(s)
- Anastasia V Suhovskih
- Institute of Molecular Biology and Biophysics SB RAMS, Timakova str 2, Novosibirsk, 630117, Russia
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Expression and distribution of aggrecanases in human larynx: ADAMTS-5/aggrecanase-2 is the main aggrecanase in laryngeal carcinoma. Biochimie 2012; 95:725-34. [PMID: 23131589 DOI: 10.1016/j.biochi.2012.10.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Accepted: 10/27/2012] [Indexed: 11/21/2022]
Abstract
Members of the ADAMTS family of proteases degrade proteoglycans and thereby have the potential to alter tissue architecture and regulate cellular functions. Aggrecanases are the main enzymes responsible for aggrecan degradation, due to their specific cleavage pattern. In this study, the expression status, the macromolecular organization and localization of ADAMTS-1, ADAMTS-4/aggrecanase-1 and ADAMTS-5/aggrecanase-2 in human normal larynx and laryngeal squamous cell carcinoma (LSCC) were investigated. On mRNA level, the results showed that ADAMTS-4 was the highest expressed enzyme in normal larynx, whereas ADAMTS-5 was the main aggrecanase in LSCC presenting a stage-related increase up to stage III (8-fold higher expression compared to normal), and thereafter decreased in stage IV. Accordingly, immunohistochemical analysis showed that ADAMTS-5, but not ADAMTS-4, was highly expressed by carcinoma cells. Sequential extraction revealed an altered distribution and organization of multiple molecular forms (latent, activated and fragmented forms) of the enzymes within the cancerous and their corresponding macroscopically normal laryngeal tissues, compared to the normal ones. Importantly, these analyses indicated that critical macromolecular changes occurred from the earliest LSCC stages not only in malignant parts of the tissue but also in areas that were not in proximity to carcinoma cells and appeared otherwise normal. Overall, the results of the present study show that ADAMTS-5/aggrecanase-2 is the main aggrecanase present in laryngeal carcinoma suggesting a critical role for the enzyme in aggrecan degradation and laryngeal tissue destruction during tumor progression.
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Sofeu Feugaing DD, Götte M, Viola M. More than matrix: the multifaceted role of decorin in cancer. Eur J Cell Biol 2012; 92:1-11. [PMID: 23058688 DOI: 10.1016/j.ejcb.2012.08.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Revised: 08/06/2012] [Accepted: 08/22/2012] [Indexed: 10/27/2022] Open
Abstract
The small leucine-rich proteoglycan, decorin, has incrementally been shown to be a powerful inhibitor of growth in a wide variety of tumour cells, an effect specifically mediated by the interaction of decorin core protein with the epidermal growth factor receptor (EGFR) and other ErbB family proteins. Nowadays, this matrikine has become the main focus of various cancer studies. Decorin is an important component of the cellular microenvironment or extracellular matrix (ECM). Its interactions with matrix and cell membrane components have been implicated in many physiological and pathophysiological processes including matrix organisation, signal transduction, wound healing, cell migration, inhibition of metastasis, and angiogenesis. This review summarises recent findings on decorin's interactions and behaviour related to cancer. Highlighted are key functions of decorin such as interaction with cell surface receptors, as well as with ECM components, and the therapeutic potential of this multifunctional molecule.
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Recktenwald CV, Leisz S, Steven A, Mimura K, Müller A, Wulfänger J, Kiessling R, Seliger B. HER-2/neu-mediated down-regulation of biglycan associated with altered growth properties. J Biol Chem 2012; 287:24320-9. [PMID: 22582394 DOI: 10.1074/jbc.m111.334425] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The extracellular matrix protein biglycan (Bgn) is a leucine-rich proteoglycan that is involved in the matrix assembly, cellular migration and adhesion, cell growth, and apoptosis. Although a distinct expression of Bgn was found in a number of human tumors, the role of this protein in the initiation and/or maintenance of neoplastic transformation has not been studied in detail. Using an in vitro model of oncogenic transformation, a down-regulation of Bgn expression as well as an altered secretion of different Bgn isoforms was found both in murine and human HER-2/neu oncogene-transformed cells when compared with HER-2/neu(-) cells. This was associated with a reduced growth, wound closure, and migration capacity. Vice versa, silencing of Bgn in HER-2/neu(-) fibroblasts increased the growth rate and migration capacity of these cells. Bgn expression was neither modulated in HER-2/neu(+) cells by transforming growth factor-β(1) nor by inhibition of the phosphoinositol 3-kinase and MAP kinase pathways. In contrast, inhibition of the protein kinase C (PKC) pathway led to the reconstitution of Bgn expression. In particular, the PKC target protein cAMP response element binding protein (CREB) is a major regulator of Bgn expression as the silencing of CREB by RNA interference was accompanied by ∼5000-fold increase in Bgn-mRNA expression in HER-2/neu(+) cells. Thus, Bgn inhibits the major properties of HER-2/neu-transformed cells, which is inversely modulated by the PKC signaling cascade.
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Affiliation(s)
- Christian V Recktenwald
- Martin Luther University Halle-Wittenberg, Institute of Medical Immunology, 06112 Halle (Saale), Germany
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Decreased expression of decorin and p57(KIP2) correlates with poor survival and lymphatic metastasis in lung cancer patients. Int J Biol Markers 2011; 26:9-21. [PMID: 21360479 DOI: 10.5301/jbm.2011.6372] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/04/2011] [Indexed: 11/20/2022]
Abstract
PURPOSE Decorin, p57(KIP2), and TGF-beta 1 have been investigated as prognostic factors because they appear to be associated with tumorigenesis; however, the effect of decorin and p57(KIP2) in lung cancer remains poorly understood. The purpose of this study was to examine the expression of decorin, p57(KIP2), and TGF-beta 1 in 64 lung cancer specimens and 36 normal lung specimens, and to analyze the relationships with respect to clinicopathological features and patient survival in lung cancer. METHODS The expression levels of decorin, p57(KIP2), and TGF-beta 1 were examined by in situ hybridization and immunohistochemistry. RESULTS Normal tissues exhibited a higher expression level of decorin than tumor tissues (p<0.05) and tumor tissues exhibited a higher expression level of TGF-beta 1 than normal tissues (p<0.05). The expression levels of p57(KIP2) and TGF-beta 1 were significantly associated with histological types of lung cancer (p<0.05), and the expression levels of decorin and p57(KIP2) were significantly associated with lymphatic invasion (p<0.05). Moreover, increased expression of decorin and p57(KIP2) correlated with increased survival (decorin, p=0.018; p57(KIP2), p=0.012). CONCLUSION Decreased expression levels of decorin and p57(KIP2) were associated with poor postsurgical survival time and lymphatic metastasis in lung cancer patients; moreover, low expression was an adverse prognostic factor.
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Skandalis SS, Labropoulou VT, Ravazoula P, Likaki-Karatza E, Dobra K, Kalofonos HP, Karamanos NK, Theocharis AD. Versican but not decorin accumulation is related to malignancy in mammographically detected high density and malignant-appearing microcalcifications in non-palpable breast carcinomas. BMC Cancer 2011; 11:314. [PMID: 21791066 PMCID: PMC3199864 DOI: 10.1186/1471-2407-11-314] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2010] [Accepted: 07/26/2011] [Indexed: 12/15/2022] Open
Abstract
Background Mammographic density (MD) and malignant-appearing microcalcifications (MAMCs) represent the earliest mammographic findings of non-palpable breast carcinomas. Matrix proteoglycans versican and decorin are frequently over-expressed in various malignancies and are differently involved in the progression of cancer. In the present study, we have evaluated the expression of versican and decorin in non-palpable breast carcinomas and their association with high risk mammographic findings and tumor characteristics. Methods Three hundred and ten patients with non-palpable suspicious breast lesions, detected during screening mammography, were studied. Histological examination was carried out and the expression of decorin, versican, estrogen receptor α (ERα), progesterone receptor (PR) and c-erbB2 (HER-2/neu) was assessed by immunohistochemistry. Results Histological examination showed 83 out of 310 (26.8%) carcinomas of various subtypes. Immunohistochemistry was carried out in 62/83 carcinomas. Decorin was accumulated in breast tissues with MD and MAMCs independently of the presence of malignancy. In contrast, versican was significantly increased only in carcinomas with MAMCs (median ± SE: 42.0 ± 9.1) and MD (22.5 ± 10.1) as compared to normal breast tissue with MAMCs (14.0 ± 5.8), MD (11.0 ± 4.4) and normal breast tissue without mammographic findings (10.0 ± 2.0). Elevated levels of versican were correlated with higher tumor grade and invasiveness in carcinomas with MD and MAMCs, whereas increased amounts of decorin were associated with in situ carcinomas in MAMCs. Stromal deposition of both proteoglycans was related to higher expression of ERα and PR in tumor cells only in MAMCs. Conclusions The specific accumulation of versican in breast tissue with high MD and MAMCs only in the presence of malignant transformation and its association with the aggressiveness of the tumor suggests its possible use as molecular marker in non-palpable breast carcinomas.
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Affiliation(s)
- Spyros S Skandalis
- Laboratory of Biochemistry, Department of Chemistry, University of Patras, Rio 26504, Greece
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Versican expression is associated with tumor-infiltrating CD8-positive T cells and infiltration depth in cervical cancer. Mod Pathol 2010; 23:1605-15. [PMID: 20729814 DOI: 10.1038/modpathol.2010.154] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Cervical carcinoma is the second most frequent cancer type in women worldwide. Both inflammatory cells and stromal cells are important for tumor progression. Stromal cells produce growth factors and extracellular matrix and provide an adequate environment for angiogenesis. Versican, a member of the extracellular matrix, has been shown to have a role in tumor progression. The aim of this study was to investigate versican expression, and its association with tumor-infiltrating inflammatory cell subsets and with clinicopathological parameters in human cervical cancers. We have studied the expression of versican in 149 cervical cancers using immunohistochemistry and mRNA in situ hybridization. Versican was predominantly expressed in the stroma (myofibroblasts). Using quantitative real-time-PCR, V0 was found to be the most prominent isoform. High stromal versican expression was significantly associated with a low number of tumor-infiltrating T cells (P=0.018) and particularly a low number of CD8-positive T cells (cytotoxic T cells; P=0.002). Stromal versican expression was significantly higher in patients with an infiltration depth >14 mm (P=0.004) and in patients with parametrial invasion (P=0.044). Stromal versican expression was not associated with survival. Our results suggest that versican expression in the stromal compartment of cervical cancers results in reduced numbers of intraepithelial CD8-positive T cells and enhanced local invasion.
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Theocharis AD, Skandalis SS, Tzanakakis GN, Karamanos NK. Proteoglycans in health and disease: novel roles for proteoglycans in malignancy and their pharmacological targeting. FEBS J 2010; 277:3904-23. [PMID: 20840587 DOI: 10.1111/j.1742-4658.2010.07800.x] [Citation(s) in RCA: 310] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The expression of proteoglycans (PGs), essential macromolecules of the tumor microenvironment, is markedly altered during malignant transformation and tumor progression. Synthesis of stromal PGs is affected by factors secreted by cancer cells and the unique tumor-modified extracellular matrix may either facilitate or counteract the growth of solid tumors. The emerging theme is that this dual activity has intrinsic tissue specificity. Matrix-accumulated PGs, such as versican, perlecan and small leucine-rich PGs, affect cancer cell signaling, growth and survival, cell adhesion, migration and angiogenesis. Furthermore, expression of cell-surface-associated PGs, such as syndecans and glypicans, is also modulated in both tumor and stromal cells. Cell-surface-associated PGs bind various factors that are involved in cell signaling, thereby affecting cell proliferation, adhesion and motility. An important mechanism of action is offered by a proteolytic processing of cell-surface PGs known as ectodomain shedding of syndecans; this facilitates cancer and endothelial cell motility, protects matrix proteases and provides a chemotactic gradient of mitogens. However, syndecans on stromal cells may be important for stromal cell/cancer cell interplay and may promote stromal cell proliferation, migration and angiogenesis. Finally, abnormal PG expression in cancer and stromal cells may serve as a biomarker for tumor progression and patient survival. Enhanced understanding of the regulation of PG metabolism and the involvement of PGs in cancer may offer a novel approach to cancer therapy by targeting the tumor microenvironment. In this minireview, the implication of PGs in cancer development and progression, as well as their pharmacological targeting in malignancy, are presented and discussed.
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Liu J, Park ES, Curry TE, Jo M. Periovulatory expression of hyaluronan and proteoglycan link protein 1 (Hapln1) in the rat ovary: hormonal regulation and potential function. Mol Endocrinol 2010; 24:1203-17. [PMID: 20339004 DOI: 10.1210/me.2009-0325] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Periovulatory follicular matrix plays an important role in cumulus-oocyte complex (COC) expansion, ovulation, and luteal formation. Hyaluronan and proteoglycan link protein 1 (HAPLN1), a component of follicular matrix, was shown to enhance COC expansion in vitro. However, the regulatory mechanisms of periovulatory expression of Hapln1 and its role in periovulatory granulosa cells have not been elucidated. We first determined the periovulatory expression pattern of Hapln1 using pregnant mare serum gonadotropin/human chorionic gonadotropin (PMSG/hCG)-primed immature rat ovaries. Hapln1 expression was transiently induced both in intact ovaries and granulosa cells at 8 h and 12 h after hCG injection. This in vivo expression of Hapln1 was recapitulated by culturing preovulatory granulosa cells with hCG. The stimulatory effect of hCG was blocked by inhibition of protein kinase A, phosphatidylinositol-dependent kinase, p38 MAPK, epidermal growth factor signaling, and prostaglandin synthesis, revealing key mediators involved in LH-induced Hapln1 expression. In addition, knockdown of Runx1 and Runx2 expression by small interfering RNA or inhibition of RUNX activities by dominant-negative RUNX decreased hCG or agonist-induced Hapln1 expression. Chromatin immunoprecipitation assays verified the in vivo binding of RUNX1 and RUNX2 to the Hapln1 promoter in periovulatory granulosa cells. Luciferase reporter assays revealed that mutation of the RUNX binding sites completely obliterated the agonist-induced activity of the Hapln1 promoter. These data conclusively identified RUNX proteins as the crucial transcription regulators for LH-induced Hapln1 expression. Functionally, treatment with HAPLN1 increased the viability of cultured granulosa cells and decreased the number of the cells undergoing apoptosis, whereas knockdown of Hapln1 expression decreased granulosa cells viability. This novel finding indicates that HAPLN1 may promote periovulatory granulosa cell survival, which would facilitate their differentiation into luteal cells.
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Affiliation(s)
- Jing Liu
- Department of Obstetrics and Gynecology, Chandler Medical Center, University of Kentucky, Lexington, Kentucky 40536-0298, USA
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Sinouris EA, Skandalis SS, Kilia V, Theocharis AD, Theocharis DA, Ravazoula P, Vynios DH, Papageorgakopoulou N. Keratan sulfate-containing proteoglycans in sheep brain with particular reference to phosphacan and synaptic vesicle proteoglycan isoforms. Biomed Chromatogr 2009; 23:455-63. [DOI: 10.1002/bmc.1127] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Mania VM, Kallivokas AG, Malavaki C, Asimakopoulou AP, Kanakis J, Theocharis AD, Klironomos G, Gatzounis G, Mouzaki A, Panagiotopoulos E, Karamanos NK. A comparative biochemical analysis of glycosaminoglycans and proteoglycans in human orthotopic and heterotopic bone. IUBMB Life 2009; 61:447-52. [DOI: 10.1002/iub.167] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
Versican is a component of the extracellular matrix, which interacts with several matrix and cell surface molecules. Versican plays central roles in tissue morphogenesis and homeostasis and is implicated in the development of numerous diseases. The expression of versican by multiple cell types is differentially regulated in a temporal and spatial manner in physiological and pathological processes. It participates in various biological events such as tissue organization, cell proliferation, adhesion, migration, and angiogenesis. The physiology of versican and its role in the progression of diseases such as atherosclerosis, cancer, and central nervous system injury are discussed.
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Affiliation(s)
- Achilleas D Theocharis
- Department of Chemistry, Laboratory of Biochemistry, University of Patras, Patras, Greece.
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Skandalis SS, Stylianou M, Vynios DH, Papageorgakopoulou N, Theocharis DA. The structural and compositional changes of glycosaminoglycans are closely associated with tissue type in human laryngeal cancer. Biochimie 2007; 89:1573-80. [PMID: 17716802 DOI: 10.1016/j.biochi.2007.07.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2007] [Accepted: 07/10/2007] [Indexed: 10/23/2022]
Abstract
Hyaluronan and sulfated glycosaminoglycans, as intrinsic components of proteoglycans, are playing important roles in cancer biology. In the present study, we investigated in detail the glycosaminoglycans on both fine chemical and structural levels in laryngeal cartilaginous and non-cartilaginous tissues at different stages of laryngeal cancer. The results indicated that in cartilaginous tissues the amounts of chondroitin sulfate, keratan sulfate, dermatan sulfate and hyaluronan presented a dramatic decrease in contrast to the non-cartilaginous tissues, which showed a significant increase of these glycosaminoglycans compared to their normal counterparts. On fine chemical structure, the molar ratios of 4-sulfated to 6-sulfated and non-sulfated to sulfated disaccharides from both cartilaginous and non-cartilaginous cancerous tissues showed a significant increase. On molecular-size level, in laryngeal cancer, the chromatographic behaviour of the sulfated glycosaminoglycan chains from both tissue-types revealed their lower M(r) with a more polydisperse and heterogeneous distribution compared to the normal ones. In addition, in both tissues, a significant decrease of high molecular-size hyaluronan was observed. Of particular interest was the great increase of hyaluronan of low molecular mass in the laryngeal non-cartilaginous tissues, which ranged from 330 to 890 kDa. The kind and the extent of these alterations, which presented an intense stage-related behaviour, depended on the tissue origin and could be associated with the malignant phenotype of human laryngeal cancer.
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Affiliation(s)
- Spyros S Skandalis
- Laboratory of Biochemistry, Department of Chemistry, School of Natural Sciences, University of Patras, 265 00 Patras, Greece
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21
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Kodama J, Kusumoto T, Seki N, Matsuo T, Nakamura K, Hongo A, Hiramatsu Y. Versican expression in human cervical cancer. Eur J Cancer 2007; 43:1460-6. [PMID: 17446061 DOI: 10.1016/j.ejca.2007.02.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2006] [Revised: 02/17/2007] [Accepted: 02/21/2007] [Indexed: 12/18/2022]
Abstract
Versican expression may enhance tumour invasion and metastasis. However, the expressions of versican in cervical cancer have seldom been characterised. The aim of this study was to investigate versican expression in human cervical cancers. We immunohistochemically investigated the expression of versican protein in 174 cervical cancers and analysed the correlation with various clinicopathological features, including patient outcome. Stromal versican expression was significantly higher in patients with lymph node metastasis (p<0.0001). Epithelial versican expression was significantly higher in patients with non-squamous cell cercinoma (p=0.0003), lymph-vascular space invasion (p=0.046), lymph node metastasis (p=0.009) and ovarian metastasis (p=0.0001). Multivariate analysis showed that high epithelial versican expression was an independent prognostic factor for disease-free survival. Versican enrichment of the tumour tissue may be associated with progression in cervical cancer. Versican expression can serve as an indicator of poor prognosis in patients with cervical cancer.
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Affiliation(s)
- J Kodama
- Department of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8558, Japan.
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22
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Theocharis AD, Tsolakis I, Tzanakakis GN, Karamanos NK. Chondroitin sulfate as a key molecule in the development of atherosclerosis and cancer progression. ADVANCES IN PHARMACOLOGY 2007; 53:281-95. [PMID: 17239771 DOI: 10.1016/s1054-3589(05)53013-8] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- A D Theocharis
- Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece
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23
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Kodama J, Kusumoto T, Seki N, Matsuo T, Ojima Y, Nakamura K, Hongo A, Hiramatsu Y. Prognostic significance of stromal versican expression in human endometrial cancer. Ann Oncol 2006; 18:269-74. [PMID: 17065588 DOI: 10.1093/annonc/mdl370] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Versican expression may enhance tumor invasion and metastasis. However, the expression of versican in human endometrial cancer has seldom been characterized. The aim of this study was to investigate versican expression in endometrial cancers. PATIENTS AND METHODS We immunohistochemically investigated the expression of versican protein in 167 endometrial cancers and analyzed the correlation with various observed clinicopathological features, including patient outcome. RESULTS Stromal versican expression was significantly higher in the advanced-stage (P = 0.010) and high-grade (P = 0.049) cancers, lymph node metastasis (P = 0.012), and ovarian metastasis (P = 0.024). Epithelial versican expression was significantly higher in patients with lymph node metastasis (P = 0.014) and lymph-vascular space involvement (P = 0.014). The disease-free survival (DFS) and overall survival (OS) rates of patients exhibiting high stromal versican expression were significantly lower than those of patients exhibiting low stromal versican expression (P < 0.0001). Multivariate analysis showed that high stromal versican expression was an independent prognostic factor for DFS and OS. CONCLUSIONS Versican enrichment of the stroma may be associated with tumor progression in endometrial cancer. Stromal versican expression can serve as an indicator of poor prognosis for patients with endometrial cancer.
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Affiliation(s)
- J Kodama
- Department of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
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Skandalis SS, Theocharis AD, Papageorgakopoulou N, Vynios DH, Theocharis DA. The increased accumulation of structurally modified versican and decorin is related with the progression of laryngeal cancer. Biochimie 2006; 88:1135-43. [PMID: 16690200 DOI: 10.1016/j.biochi.2006.03.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2006] [Accepted: 03/30/2006] [Indexed: 11/20/2022]
Abstract
Versican and decorin, two proteoglycans (PGs) with contradictory roles in the pathophysiology of cancer, comprise important stromal components in many tumor types and play a crucial role in the progression of cancer. In this study, we provide direct evidence for a significant and stage-related accumulation of versican and decorin in the tumor-associated stroma of laryngeal squamous cell carcinoma (LSCC) in comparison to normal larynx. Both PGs were found to be co-localized within the peritumorous stroma. In addition, the accumulated versican and decorin were markedly modified on both protein core and glycosaminoglycan (GAG) levels. Decorin, which was present under both glycanated and non-glycanated forms, perceptibly increased with the progression of LSCC, compared to the normal larynx. Tumor-associated glycanated decorin was found to contain significant amounts of dermatan sulfate (DS) sequences. Versican was also found to undergo stage-related structural modifications since a marked heterogeneity of protein cores was observed, being intense in late stage of laryngeal cancer. The increased accumulation of both versican and decorin was associated with a significant stage-related increase of the molar ratio of Delta di-mono4S to Delta di-mono6S up to approximately threefold in LSCC compared to the normal ones. The modified chemical structure of both PGs could be associated with the degree of aggressiveness of laryngeal squamous cell carcinomas.
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Affiliation(s)
- S S Skandalis
- Laboratory of Biochemistry, Section of Organic Chemistry, Biochemistry and Natural Products, Department of Chemistry, University of Patras, 26500 Patras, Greece.
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Christopoulos TA, Papageorgakopoulou N, Theocharis DA, Mastronikolis NS, Papadas TA, Vynios DH. Hyaluronidase and CD44 hyaluronan receptor expression in squamous cell laryngeal carcinoma. Biochim Biophys Acta Gen Subj 2006; 1760:1039-45. [PMID: 16713680 DOI: 10.1016/j.bbagen.2006.03.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2005] [Revised: 03/23/2006] [Accepted: 03/24/2006] [Indexed: 11/28/2022]
Abstract
Squamous cell laryngeal carcinoma undergoes significant structural-related modifications of the extracellular matrix components (ECM), the most characteristics being the presence of degraded collagen, aggrecan and hyaluronan. We examined the presence of hyaluronidase and of the cellular hyaluronan receptor CD44 during the various stages of cancer. ECM components were extracted by using PBS, 4 M GdnHCl and 4 M GdnHCl-0.1% Triton-X 100 sequentially and hyaluronidase and CD44 analyzed by zymography and immunochemistry techniques. Total RNA was also extracted and the mRNA of the various hyaluronidases and of CD44 was analyzed after amplification with RT-PCR. Hyaluronidase was detected as a double band of 45 and 55 kDa molecular mass, only in cancer samples. The analysis of mRNA indicated an aberrant expression of PH-20, the testicular-type hyaluronidase, at late stages of cancer and an overexpression of HYAL1 only at stage IV. In addition, CD44 was identified in two protein bands of 80 and 64 kDa in cancer samples. The analysis of mRNA showed that hyaluronan receptor was expressed in a stage-related order. Thus, it could be suggested that in laryngeal squamous cell carcinoma, cancer cells migrated and proliferated under the influence of small molecular mass hyaluronan, by expressing increased amounts of its receptor.
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Affiliation(s)
- Th A Christopoulos
- Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece
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26
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Skandalis SS, Theocharis AD, Vynios DH, Papageorgakopoulou N, Hjerpe A, Karamanos NK, Theocharis DA. Cartilage aggrecan undergoes significant compositional and structural alterations during laryngeal cancer. Biochim Biophys Acta Gen Subj 2006; 1760:1046-53. [PMID: 16574327 DOI: 10.1016/j.bbagen.2006.02.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2005] [Revised: 02/08/2006] [Accepted: 02/08/2006] [Indexed: 11/19/2022]
Abstract
Aggrecan is a key component of cartilage and is responsible for the integrity and function of the tissue. In this study, the content of aggrecan and its structural modifications in adjacent to cancer apparently normal cartilages (AANCs) from various stages of laryngeal squamous cell carcinoma (LSCC) were investigated. Our data demonstrated a stage-related loss of aggregable aggrecan in AANCs, compared to the healthy laryngeal cartilage (HLC), which was excessive in advanced stages of disease. On aggregable aggrecan level, AANCs were characterized by significant compositional and structural modifications, the extent of which was closely related with the stage of LSCC. Four concrete subpopulations of aggregable molecules with particular physicochemical characteristics were identified with a strong tendency to prevail subpopulations of molecules of lower hydrodynamic sizes with increasing LSCC stage. These findings demonstrated that the cleavage of aggregable aggrecan occurred in concrete peptide bonds within the CS-1 and CS-2 attachment domains. These significant alterations were closely associated with the process of cartilage destruction, indicating the crucial role of aggrecan during LSCC.
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Affiliation(s)
- Spyros S Skandalis
- Laboratory of Biochemistry, Section of Organic Chemistry, Biochemistry and Natural Products, Department of Chemistry, University of Patras, 26500 Patras, Greece
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Stylianou M, Triantaphyllidou IE, Vynios DH. Advances in the analysis of chondroitin/dermatan sulfate. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2006; 53:141-66. [PMID: 17239765 DOI: 10.1016/s1054-3589(05)53007-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Affiliation(s)
- M Stylianou
- Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece
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Rahmani M, Wong BW, Ang L, Cheung CC, Carthy JM, Walinski H, McManus BM. Versican: signaling to transcriptional control pathways. Can J Physiol Pharmacol 2006; 84:77-92. [PMID: 16845893 DOI: 10.1139/y05-154] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Versican, a chondroitin sulfate proteoglycan, is one of the main components of the extracellular matrix, which provides a loose and hydrated matrix during key events in development and disease. Versican participates in cell adhesion, proliferation, migration, and angiogenesis, and hence plays a central role in tissue morphogenesis and maintenance. In addition, versican contributes to the development of a number of pathologic processes including atherosclerotic vascular diseases, cancer, tendon remodeling, hair follicle cycling, central nervous system injury, and neurite outgrowth. Versican is a complex molecule consisting of modular core protein domains and glycosaminoglycan side chains, and there are various steps of synthesis and processes regulating them. Also, there is differential temporal and spatial expression of versican by multiple cell types and in different developmental and pathological time frames. To fully appreciate the functional roles of versican as it relates to changing patterns of expression in development and disease, an in depth knowledge of versican's biosynthetic processing is necessary. The goal of this review is to evaluate the current status of our knowledge regarding the transcriptional control of versican gene regulation. We will be focusing on the signal transduction pathways, promoter regions, cis-acting elements, and trans-factors that have been characterized.
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Affiliation(s)
- Maziar Rahmani
- The James Hogg iCAPTURE Centre for Cardiovascular and Pulmonary Research, St Paul's Hospital, Vancouver, BC, Canada
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Skandalis SS, Theocharis DA, Papageorgakopoulou N, Vynios DH. The extractability of extracellular matrix components as a marker of cartilage remodeling in laryngeal squamous cell carcinoma. Biochim Biophys Acta Gen Subj 2005; 1721:81-8. [PMID: 15652182 DOI: 10.1016/j.bbagen.2004.10.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2004] [Revised: 10/05/2004] [Accepted: 10/06/2004] [Indexed: 11/29/2022]
Abstract
Sequential extraction was applied to investigate the proteoglycan (PG) organization in healthy laryngeal cartilage (HLC) and laryngeal cartilage squamous cell carcinoma (LCSCC). Highly stable aggrecan aggregates, extracted from both HLC and LCSCC with strong dissociative reagents, i.e., 4 M guanidine HCl (GdnHCl), represented 53% and 7%, respectively, of total extracted macromolecules. Less stable complexes/aggregates, extracted with mild dissociative reagents (1 and 2 M GdnHCl), represented 40% and 61% of total extracted PGs from healthy and cancerous cartilage, respectively. Interestingly, a relative high proportion (32%) of uronic acid (UA)-containing macromolecules were removed from the cancerous cartilage using associative extracting solutions (PBS and 0.5 M GdnHCl), which obviously represented molecules freely extractable from the tissue. In contrast, the corresponding proportion in HLC was impressively low (about 7%). The major proportion of these molecules was chondroitin sulfate-containing PGs (CSPGs), which identified mainly as aggrecan. Differential digestion of the sequential extracts with chondroitinase ABC and chondroitinase AC II demonstrated the presence of dermatan sulfate-containing PGs (DSPGs) in both HLC and LCSCC, being mainly present in the 1 M GdnHCl extract, and identified as decorin. All cancerous extracts were found to be rich in 4-sulfated disaccharides, mostly participating in DS structures. In conclusion, the applied procedure permitted the elucidation of the changes in the cartilage status, regarding the stability and identity of its proteoglycan aggregates/complexes, in both HLC and LCSCC.
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Affiliation(s)
- Spyros S Skandalis
- Laboratory of Biochemistry, Section of Organic Chemistry, Biochemistry and Natural Products, Department of Chemistry, University of Patras, 265 00 Patras, Greece
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