Disease:Marks and mediates breast cancer metastasis to the lungs. FSCN1 is not functionally validated but achieves the highest statistical significance (P less than 0.000001) . Those subjects expressing the lung metastasis signature have a significantly poorer lung metastasis-free survival , but not bone metastasis-free survival , compared to subjects without the signature. ,Function:Organizes filamentous actin into bundles with a minimum of 4.1:1 actin/fascin ratio. Probably involved in the assembly of actin filament bundles present in microspikes , membrane ruffles , and stress fibers. ,PTM:Phosphorylation on Ser-39 inhibits the actin-binding ability of fascin. ,similarity:Belongs to the fascin family. ,subunit:Associates with beta-catenin. ,tissue specificity:Ubiquitous. ,
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