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Connexin43 promotes exocytosis of damaged lysosomes through actin remodelling

Domingues, Neuza S.; Catarino, Steve; Cristóvão, Beatriz; Rodrigues, Lisa; Carvalho, Filomena A; Sarmento, Maria João; Zuzarte, Mónica

A robust and efficient cellular response to lysosomal membrane damage prevents leakage from the lysosome lumen into the cytoplasm. This response is understood to happen through either lysosomal membrane repair or lysophagy. Here we report exocytosis as a third response mechanism to lysosomal damage, which is further potentiated when membrane repair or lysosomal degradation mechanisms are impaired. We show that ...


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