Migration Stimulating Factor (MSF) promotes fibroblast migration by inhibiting AKT

Ian R Ellis, Sarah J Jones, Yvonne Lindsay, Go Ohe, Ana M Schor, Seth L Schor, Nicolas R Leslie

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


The protein kinase AKT is activated strongly by many motogenic growth factors, yet has recently been shown capable of inhibiting migration in several cell types. Here we report that treatment with Migration Stimulating Factor (MSF), a truncated form of fibronectin that promotes the migration of many cell types, inhibits AKT activity in human fibroblasts and endothelial cells. In fibroblasts, treatment with either MSF or the AKT inhibitor, Akti-1/2, stimulated migration into 3D collagen gels to a similar extent and the effects of Akti-1/2 on migration could be blocked by the expression of an inhibitor-resistant mutant, AKT1 W80A. These data indicate that MSF promotes fibroblast migration, at least in part, by inhibiting the activity of AKT.
Original languageEnglish
Pages (from-to)1655-1659
Number of pages5
JournalCellular Signalling
Issue number11
Publication statusPublished - Nov 2010


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