For western blot analysis, total cell lysates were prepared as previously described [62 (link)]. Nitrocellulose membranes were incubated overnight with primary antibodies at 4 °C, followed by 1 h incubation with Alexa Fluor-labeled secondary antibodies (IRDye 680LT goat-anti mouse or IRDye 800CW goat anti-rabbit antibodies (LI-COR Biosciences)) at room temperature. Fluorescent images were acquired and quantified by LI-COR Odyssey Imaging System. Antibodies used are detailed in Supplementary materials and methods section.
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