2020
DOI: 10.3389/fonc.2019.01482
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Cancer Metastasis: The Role of the Extracellular Matrix and the Heparan Sulfate Proteoglycan Perlecan

Abstract: Cancer metastasis is the dissemination of tumor cells to new sites, resulting in the formation of secondary tumors. This process is complex and is spatially and temporally regulated by intrinsic and extrinsic factors. One important extrinsic factor is the extracellular matrix, the non-cellular component of tissues. Heparan sulfate proteoglycans (HSPGs) are constituents of the extracellular matrix, and through their heparan sulfate chains and protein core, modulate multiple events that occur during the metastat… Show more

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Cited by 122 publications
(101 citation statements)
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References 265 publications
(244 reference statements)
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“…The authors could interfere with intoxication of cells by addition of surfen (14). HSPGs are extracellular matrix components (27), they are found in secreted vesicles of mast cells (serglycin, (28)), described as sequestering co-receptors for growth factors and cytokines (fibroblast growth factor (FGF), (29,30)) or binding partners for molecules undergoing transcellular transport (31). In principle, HSPG binding could be sufficient for endocytosis of the toxin.…”
Section: Discussionmentioning
confidence: 99%
“…The authors could interfere with intoxication of cells by addition of surfen (14). HSPGs are extracellular matrix components (27), they are found in secreted vesicles of mast cells (serglycin, (28)), described as sequestering co-receptors for growth factors and cytokines (fibroblast growth factor (FGF), (29,30)) or binding partners for molecules undergoing transcellular transport (31). In principle, HSPG binding could be sufficient for endocytosis of the toxin.…”
Section: Discussionmentioning
confidence: 99%
“…[7,8,[10][11][12][13][14][15]17,18]. In addition to a well-established role in development [20,23,26,104,[165][166][167], HSPG-ligand interactions play major roles in tumor stroma and tumor microenvironment by regulating cellular proliferation, differentiation, adhesion, migration, apoptosis, angiogenesis, inflammation, invasion, and metastasis [3,22,24,25,28,[33][34][35][36][37][38][39][40]107,143,165,168] (Figure 1). modulation of ligand distribution and function, the restriction of ligand range of action on target cells, the prevention of ligand degradation, the generation of morphogen gradients, the proper presentation of growth factors to their cognate receptors, the transactivation of receptors in adjacent cells, the promotion of endocytosis and vesicular trafficking, etc.…”
Section: Functional Properties Of Hspgs In Tumor Microenvironmentmentioning
confidence: 99%
“…However, a significant reduction of cell surface tethered SDC1 and an increase of shed SDC1 in the ECM has been observed as a function of tumor progression and aggressiveness, suggesting the involvement of post-transcriptional mechanisms in SDC1 expression in this type of tumor. Differential regulation of SDC1 expression as well as of the other SDC isoforms, GPCs, and the other HSPGs has been found in several tumors ( Table 3 ) [ 105 , 106 , 107 , 108 , 109 , 110 , 111 , 112 , 113 , 114 , 115 , 116 , 117 , 118 , 119 , 120 , 121 , 122 , 123 , 124 , 125 , 126 , 127 , 128 , 129 , 130 , 131 , 132 , 133 , 134 , 135 , 136 , 137 , 138 , 139 , 140 , 141 , 142 , 143 , 144 , 145 , 146 , 147 , 148 , 149 , 150 , 151 , 152 , 153 ].…”
Section: Structural Features Biosynthesis and Enzymatic Modificamentioning
confidence: 99%
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“…HIF activation can transcriptionally regulate genes involved in epithelial-to-mesenchymal transition (EMT) [8]. Breakdown of the cell-extracellular matrix (ECM) and metastases thus plays a pivotal role in these processes [9]. The role of HIF-1α and HIF-2α in promoting tumorigenesis of melanoma has also been reported.…”
Section: Introductionmentioning
confidence: 99%