inositol-1,4,5-triphosphate

inositol-1,4,5-triphosphate

(ĭn-ŏs′ĭ-tŏl),

IP3

An intracellular second messenger molecule that stimulates the endoplasmic reticulum of the cell to release calcium.
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References in periodicals archive ?
Inositol-1,4,5-triphosphate releases calcium from skinned cultured smooth muscle cells.
For example, it has been disclosed recently that inositol-1,4,5-triphosphate, which is a decomposition product from inositol phospholipid and diacyglycerol, plays an important role as "second messengers" in the cell-signaling mechanism.