2007
DOI: 10.1038/sj.onc.1210896
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Downregulation of CCN3 expression as a potential mechanism for melanoma progression

Abstract: Coculture of human melanocytes with keratinocytes upregulates CCN3, a matricellular protein critical to maintenance of normal homeostasis of melanocytes in the skin. CCN3 affects two fundamental features of melanocyte physiology: it inhibits melanocyte proliferation and stimulates their adhesion to the basement membrane. Here we report that expression of CCN3 is downregulated in advanced melanomas. Aggressive melanoma cell lines did not respond to treatment with CCN3 inducers, such as interleukin-1b (IL-1b), w… Show more

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Cited by 61 publications
(58 citation statements)
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“…In Ewing's sarcoma, CCN3-transfected tumor cells exhibited a decreased expression of α2β1 integrin receptor, while cells lacking α2β1 are less less stably anchored to the ECM in Ewing's sarcoma tissue, resulting in increased migratory abilities (12). In melanoma, CCN3-transfected cells exhibited an increased expression of laminin and vitronectin integrin receptors α7β1 and ανβ5, resulting in increased cell adhesion (20). Integrin subunits α3, β1, αν, α2 and α5 were highly expressed by 786-O cells.…”
Section: Discussionmentioning
confidence: 99%
“…In Ewing's sarcoma, CCN3-transfected tumor cells exhibited a decreased expression of α2β1 integrin receptor, while cells lacking α2β1 are less less stably anchored to the ECM in Ewing's sarcoma tissue, resulting in increased migratory abilities (12). In melanoma, CCN3-transfected cells exhibited an increased expression of laminin and vitronectin integrin receptors α7β1 and ανβ5, resulting in increased cell adhesion (20). Integrin subunits α3, β1, αν, α2 and α5 were highly expressed by 786-O cells.…”
Section: Discussionmentioning
confidence: 99%
“…CCN3 has mostly been associated with tumour suppressor activity; inhibiting cell growth and tumourigenic potential in glioblastoma (Sin et al 2008, Fu et al 2004, melanoma (Fukunaga-Kalabis et al 2006, Fukunaga-Kalabis et al 2008) and adrenocortical tumours (Martinerie et al 2001). CCN3 has also been linked with enhanced metastatic potential for some tumours including Ewings Sarcoma ), osteosarcoma ) and prostate neoplasia (Maillard et al 2001).…”
Section: Introductionmentioning
confidence: 99%
“…CCN6 is highly upregulated in osteoarthritic cartilage and is suggested to act in progressive pseudorheumatoid dysplasia through transcriptional repression of ADAMTS-5 and expression of MMP-10 (Baker et al 2012). CCN3 is not expressed in advanced melanoma cells, and its expression in aggressive Lu melanoma cells inhibits MMP-2/9 transcription and results in reduced tumor invasion (Fukunaga-Kalabis et al 2008). CCN3 enhances the migration of chondrosarcoma cells by increasing expression of MMP-13 through integrin receptors (Tzeng et al 2011).…”
Section: Discussionmentioning
confidence: 99%