Enzymes necessary for a cell's function are stored inside membrane-bound sacs called lysosomes – one type of the cell's many organelles. Keeping lysosomes in good shape is vital for normal cell function and they're known to be repaired or 'digested' if damaged. This study reveals a third way of dealing with the faulty sacs – by ejection from the cell (exocytosis), mediated by a protein called connexin 43
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