%0 Journal Article %T A connection between phosphatidylinositol 5-phosphate and the Hippo pathway to prevent epithelial-mesenchymal transition in cancer. %A Hirsch E %A Fantastico E %A Prever L %A Gulluni F %J Sci Signal %V 17 %N 838 %D 2024 May 28 %M 38805585 %F 9.517 %R 10.1126/scisignal.adp3504 %X The Hippo pathway blocks epithelial-mesenchymal transition and metastasis in cancer mediated by the transcriptional coactivator YAP. In this issue of Science Signaling, Palamiuc et al. demonstrate that phosphatidylinositol 5-phosphate (PI5P) enhances Hippo pathway activation and that simultaneously the Hippo pathway initiates a positive feedback loop by inhibiting the conversion of PI5P into PIP2.