Method of treating amyloidosis by modulation of calcium

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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514453, 514468, 514510, 514691, 514729, 514739, 514766, A01N 4316, A01N 4342, A61K 3147

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055389830

ABSTRACT:
Various first messengers linked to phospholipase C, including acetylcholine and interleukin-1, regulate the production both of the secreted form of the amyloid protein precursor and of amyloid .beta.-protein. Intracellular signals which are responsible for mediating these effects have now been identified, and that activation of phospholipase C may affect APP processing by either of two pathways, one involving an increase in protein kinase C and the other an increase in cytoplasmic calcium levels. The effects of calcium on APP processing appear to be independent of protein kinase C activation. The observed effects of calcium on APP processing are of therapeutic utility in the treatment of Alzheimer-type amyloidosis.

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