inositol 1,4,5-trisphosphate

D-Myo-inositol 1,4,5-trisphosphate sodium salt is utilized in biological experiments for cardiac pretreatment, serving a cardioprotective role.

Xestospongin C ((-)-Xestospongin C) is a selective inositol 1,4,5-trisphosphate receptor (IP3R) inhibitor and also inhibits sarcoplasmic endoplasmic reticulum Ca2+ ATPase (SERCA). It has neuroprotective effects in APP PS1 AD mice, improving cognitive and pathological deficits associated with Alzheimer's disease.

Xestospongins and araguspongins, marine natural products originally isolated from sponges in the Pacific basin, exhibit vasodilatory effects. Inositol phosphates (IP) serve as crucial signal transduction messengers, activating IP3 receptors to facilitate Ca2+ release from intracellular stores. Araguspongin B specifically hinders the calcium-releasing function of inositol 1,4,5-trisphosphate at the receptor level within cerebral microsomes, demonstrating an inhibition concentration (IC50) of 0.6 µM. This potency places it nearly on par with xestospongin C in obstructing the IP3 receptor's activity.

ARN 11391 enhances the function of the IP3-gated calcium channel ITPR1 (Inositol 1,4,5-trisphosphate (IP3) receptor type 1), boosting intracellular calcium ion signaling by directly targeting ITPR1. Furthermore, ARN 11391 amplifies calcium signaling in cells with mutant ITPR1 linked to SCA29, a variant of spinocerebellar ataxia.

BAMB-4 (ITPKA-IN-C14) is a highly membrane-permeable inhibitor of inositol-1,4,5-trisphosphate-3-kinase A (ITPKA), effectively suppressing the metastasis-promoting effect of ITPKA in lung tumor cells (with IC50 of 37 μM in ADP-Glo Assay).

D-myo-Inositol-1,4,5-triphosphate trisodium (Inositol 1,4,5-trisphosphate trisodium) is a second messenger produced in cells by the phospholipase C-mediated hydrolysis of phosphatidylinositol-4,5-bisphosphate. It binds to Ins(1,4,5)P3 receptors, resulting in the opening of calcium channels and an increase in intracellular calcium.

D-myo-Inositol-1,4,5-triphosphate tripotassium (Ins(1,4,5)-P3 tripotassium) is a second messenger in cellular signal transduction that triggers Ca2+ mobilization.

D-myo-Inositol 1,4,5-trisphosphate hexapotassium salt is a second messenger that promotes the release of calcium ions from the endoplasmic reticulum.