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Rewiring of an epithelial differentiation factor, miR-203, to inhibit human squamous cell carcinoma metastasis. | LitMetric

Rewiring of an epithelial differentiation factor, miR-203, to inhibit human squamous cell carcinoma metastasis.

Cell Rep

Centre for Stem Cells and Regenerative Medicine, King's College London, 28(th) Floor, Tower Wing, Guy's Hospital, Great Maze Pond, London SE1 9RT, UK. Electronic address:

Published: October 2014

AI Article Synopsis

Article Abstract

Metastatic colonization of distant organs underpins the majority of human-cancer-related deaths, including deaths from head and neck squamous cell carcinoma (HNSCC). We report that miR-203, a miRNA that triggers differentiation in multilayered epithelia, inhibits multiple postextravasation events during HNSCC lung metastasis. Inducible reactivation of miR-203 in already established lung metastases reduces the overall metastatic burden. Using an integrated approach, we reveal that miR-203 inhibits metastasis independently of its effects on differentiation. In vivo genetic reconstitution experiments show that miR-203 inhibits lung metastasis by suppressing the prometastatic activities of three factors involved in cytoskeletal dynamics (LASP1), extracellular matrix remodeling (SPARC), and cell metabolism (NUAK1). Expression of miR-203 and its downstream effectors correlates with HNSCC overall survival outcomes, indicating the therapeutic potential of targeting this signaling axis.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4536294PMC
http://dx.doi.org/10.1016/j.celrep.2014.08.062DOI Listing

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