Cancer Terms

Gold Sodium Thiomalate

Cancer Terms -> Drugs and Chemicals -> Pharmacologic Substance -> Enzyme Inhibitor -> Protein Kinase Inhibitor -> Protein Kinase C Inhibitor -> Gold Sodium Thiomalate

Gold Sodium Thiomalate Definition

The sodium salt of gold thiomalic acid, an organogold compound with antirheumatic and potential antineoplastic activities. Gold sodium thiomalate (GST) appears to inhibit the activity of atypical protein kinase C iota (PKCiota) by forming a cysteinyl-aurothiomalate adduct with the cysteine residue Cys-69 within the PB1 binding domain of PKCiota. This prevents the binding of Par6 (Partitioning defective protein 6) to PKCiota, thereby inhibiting PKCiota-mediated oncogenic signaling, which may result in the inhibition of tumor cell proliferation, the promotion of tumor cell differentiation, and the induction of tumor cell apoptosis. Atypical PKCiota, a serine/threonine kinase overexpressed in numerous cancer cell types, plays an important role in cancer proliferation, invasion, and survival; Par6 is a scaffold protein that facilitates atypical PKC-mediated phosphorylation of cytoplasmic proteins involved in epithelial and neuronal cell polarization.

Gold Sodium Thiomalate Synonyms

Gold Sodium Thiomalate, Aurolate, Aurothiomalate Disodium, Myochrysine

Terms in Gold Sodium Thiomalate category



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