Inositol phosphate metabolism

Inositol phosphates are a group of mono- to polyphosphorylated inositols. They play crucial roles in diverse cellular functions, such as cell growth, apoptosis, cell migration, endocytosis, and cell differentiation. The group comprises:

Inositol trisphosphates act on the inositol triphosphate receptor to release calcium into the cytoplasm. Further reading: Function of calcium in humans

Inositol tetra-, penta-, and hexa-phosphates have been implicated in gene expression and Steger (both in Science Magazine).

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