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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/173772
WNT11-FZD7-DAAM1 signalling supports tumour initiating abilities and melanoma amoeboid invasion
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Melanoma is a highly aggressive tumour that can metastasize very early in disease progression. Notably, melanoma can disseminate using amoeboid invasive strategies. We show here that high Myosin II activity, high levels of ki-67 and high tumour-initiating abilities are characteristic of invasive amoeboid melanoma cells. Mechanistically, we find that WNT11-FZD7-DAAM1 activates Rho-ROCK1/2-Myosin II and plays a crucial role in regulating tumour-initiating potential, local invasion and distant metastasis formation. Importantly, amoeboid melanoma cells express both proliferative and invasive gene signatures. As such, invasive fronts of human and mouse melanomas are enriched in amoeboid cells that are also ki-67 positive. This pattern is further enhanced in metastatic lesions. We propose eradication of amoeboid melanoma cells after surgical removal as a therapeutic strategy. Amoeboid cells are associated with melanoma invasive capacity. Here, the authors show that the WNT11-FZD7-DAAM1 pathway regulates tumour-initiating potential, invasion and metastasis lead by amoeboid cells in the invasive front of melanoma tumours.
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RODRIGUEZ HERNANDEZ, Irene, MAIQUES, Oscar, KOHLHAMMER, Leonie, CANTELLI, Gaia, PERDRIX ROSELL, Anna, MONGER, Joanne, FANSHAWE, Bruce, BRIDGEMAN, Victoria l., KARAGIANNIS, Sophia n., PENÍN, Rosa maria, MARCOLVAL, Joaquim, MARTI, Rosa m., MATIAS-GUIU, Xavier, FRUHWIRTH, Gilbert o., ORGAZ, Jose l., MALANCHI, Ilaria, SANZ MORENO, Victoria. WNT11-FZD7-DAAM1 signalling supports tumour initiating abilities and melanoma amoeboid invasion. _Nature Communications_. 2020. Vol. 11. [consulta: 2 de gener de 2026]. [Disponible a: https://hdl.handle.net/2445/173772]