
IndraLab
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"In addition to the increase in hERG1 currents, β1 activation leads hERG1 to form a macromolecular membrane complex that comprises the β 1 integrin subunit and the p85 subunit of PI3K. Recruitment of p85 inside the complex has two major consequences: i) it facilitates translocation of PI3K towards its physiological membrane substrates; ii) it determines a hERG1-dependent PI3K phosphorylation, without the need of intermediate cytosolic proteins (e.g. FAK, ILK, Src)."