Inositol signaling pathway

The term "inositol signaling pathway" does not refer to one specific molecular entity but rather describes an extensive cellular communication system involving numerous enzymes—including kinases like phosphoinosite 3‑kinase—and second messengers like IP₃ that regulate diverse processes such as metabolism, secretion, proliferation/apoptosis balance, immune responses and more through both primary signal generation and modulatory mechanisms.[1][2] Dysregulation at different points along this axis contributes significantly to diseases ranging from cancer through neurodegeneration.[1] Therapeutic interventions focus on individual proteins within these cascades rather than on the entire system collectively.

Other names

Phosphoinositide signalingInositi(de)/(tol) phosphate signalingIP₃/Ca²⁺ signaling cascadePI3K/Akt/mTOR pathway

Varies by node targeted; examples include: Inhibition of kinase activity leading to reduced cell proliferation/survival signals. Modulation of calcium release from intracellular stores via IP₃ receptors. For example, "LY294002…inhibited tumor growth and promoted apoptosis" by inhibiting PI3K activity.