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编 号:F495146
分子式:C16H13BrO2
分子量:317.18
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10mM*1mL in DMSO
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5mg
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10mg
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25mg
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50mg
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生物活性:
Bromoenol lactone ((6E)-Bromoenol lactone) is a suicide-based irreversible, selective, potent inhibitor of calcium-independent phospholipase A2 (iPLA2β) with an IC50 value of approximately 7 μM, which inhibits antigen-stimulated mast cell exocytosis without blocking Ca2+ influx.

体外研究:
In RBL 2H3 and bone marrow-derived mast cells (BMMCs), Ca2+ entry is critical for exocytosis. Bromoenol lactone inhibits exocytosis when stimulated using a Ca2+ ionophore A23187, which passively transports Ca2+ down a concentration gradient and also in permeabilised mast cells where Ca2+ entry is no longer relevant. Moreover, Bromoenol lactone has only a minor effect on antigen- or thapsigargin-stimulated Ca2+ signalling, both the release from internal stores and sustained elevation due to Ca2+ influx.
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