Integrin alpha9 emerges as a key therapeutic target to reduce metastasis in rhabdomyosarcoma and neuroblastoma.
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| Abstract |
The majority of current cancer therapies are aimed at reducing tumour growth, but there is lack of viable pharmacological options to reduce the formation of metastasis. This is a paradox, since more than 90% of cancer deaths are attributable to metastatic progression. Integrin alpha9 (ITGA9) has been previously described as playing an essential role in metastasis; however, little is known about the mechanism that links this protein to this process, being one of the less studied integrins. We have now deciphered the importance of ITGA9 in metastasis and provide evidence demonstrating its essentiality for metastatic dissemination in rhabdomyosarcoma and neuroblastoma. However, the most translational advance of this study is to reveal, for the first time, the possibility of reducing metastasis by pharmacological inhibition of ITGA9 with a synthetic peptide simulating a key interaction domain of ADAM proteins, in experimental metastasis models, not only in childhood cancers but also in a breast cancer model.
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| Authors | Natalia Navarro, Carla Molist, Júlia Sansa-Girona, Patricia Zarzosa, Gabriel Gallo-Oller, Guillem Pons, Ainara Magdaleno, Gabriela Guillén, Raquel Hladun, Marta Garrido, Miguel F Segura, Lourdes Hontecillas-Prieto, Enrique de Álava, Berta Ponsati, Jimena Fernández-Carneado, Ana Almazán-Moga, Mariona Vallès-Miret, Josep Farrera-Sinfreu, Josep Sánchez de Toledo, Lucas Moreno, Soledad Gallego, Josep Roma |
| Journal | Cellular and molecular life sciences : CMLS (Cell Mol Life Sci) Vol. 79 Issue 11 Pg. 546 (Oct 11 2022) ISSN: 1420-9071 [Electronic] Switzerland |
| PMID | 36221013 (Publication Type: Journal Article) |
| Copyright | © 2022. The Author(s). |
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