Matches in SemOpenAlex for { <https://semopenalex.org/work/W3135553902> ?p ?o ?g. }
- W3135553902 abstract "Abstract The signalling pathways underpinning cell growth and invasion use overlapping components, yet how mutually exclusive cellular responses occur is unclear. Here, we report development of 3-Dimensional culture analyses to separately quantify growth and invasion. We identify that alternate variants of IQSEC1, an ARF GTPase Exchange Factor, act as switches to promote invasion over growth by controlling phosphoinositide metabolism. All IQSEC1 variants activate ARF5- and ARF6-dependent PIP5-kinase to promote PI(3,4,5)P 3 -AKT signalling and growth. In contrast, select pro-invasive IQSEC1 variants promote PI(3,4,5)P 3 production to form invasion-driving protrusions. Inhibition of IQSEC1 attenuates invasion in vitro and metastasis in vivo. Induction of pro-invasive IQSEC1 variants and elevated IQSEC1 expression occurs in a number of tumour types and is associated with higher-grade metastatic cancer, activation of PI(3,4,5)P 3 signalling, and predicts long-term poor outcome across multiple cancers. IQSEC1-regulated phosphoinositide metabolism therefore is a switch to induce invasion over growth in response to the same external signal. Targeting IQSEC1 as the central regulator of this switch may represent a therapeutic vulnerability to stop metastasis." @default.
- W3135553902 created "2021-03-15" @default.
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- W3135553902 date "2021-03-12" @default.
- W3135553902 modified "2023-10-02" @default.
- W3135553902 title "An ARF GTPase module promoting invasion and metastasis through regulating phosphoinositide metabolism" @default.
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