Presenilin-mediated signal transduction
Presenilin proteins, mutated forms of which cause early onset familial Alzheimer's disease, are capable of modulating various cell signal transduction pathways, the most extensively studied of which has been intracellular calcium signalling. Disease causing presenilin mutations can potentiate inositol(1,4,5)trisphosphate (InsP3) mediated endoplasmic reticulum release due to calcium overload in this organelle, as well as attenuate capacitative calcium
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