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May 9, 2016

Surf's uptake! Exosomes ride filopodia into cells

Exosomes are small, extracellular vesicles that transfer lipid, protein, and RNA cargoes between cells, but relatively little is known about how they are taken up and processed by their target cells. Heusermann et al. reveal that exosomes "surf" along recipient cell filopodia before being efficiently endocytosed and targeted to the endoplasmic reticulum. This biosights episode presents the paper by Heusermann et al. from the April 25, 2016, issue of The Journal of Cell Biology and includes an interview with the paper's senior author, Nicole Meisner-Kober (Novartis Institutes for Biomedical Research, Basel, Switzerland). Produced by Caitlin Sedwick and Ben Short. See the associated paper in JCB for details on the funding provided to support this original research.


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