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Isolated mast cell progenitor before and after IgE-crosslinking

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Isolated mast cell progenitor before and after IgE-crosslinking

Representative picture of an isolated mast cell progenitor before and after IgE-crosslinking. The immature cytoplasmic granules are stained by a fluorescent compound (yellow). Upon IgE-mediated crosslinking, the cytoplasmic granules fuse with the plasma membrane and the fluorescence is lost, indicating cell activation.
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Jenny Hallgren Martinsson
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