MedChemExpress LLC (MCE)

MedChemExpress - Model Tiopronin - 1953-02-2

Tiopronin is a diffusible antioxidant, an antidote to heavy metal poisoning and a radioprotective agent. Tiopronin can control the rate of cystine precipitation and excretion and has the potential for cystinuria, rheumatoid arthritis and hepatic disorders[1][2].

Tiopronin

MCE China：Tiopronin

Brand：MedChemExpress (MCE)

Cat. No.HY-B0373

CAS：1953-02-2

Purity：98.0%

Storage：Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year

Shipping：Room temperature in continental US; may vary elsewhere.

Description：Tiopronin is a diffusible antioxidant, an antidote to heavy metal poisoning and a radioprotective agent. Tiopronin can control the rate of cystine precipitation and excretion and has the potential for cystinuria, rheumatoid arthritis and hepatic disorders.

In Vitro：In in vitro Von Hippel-Lindau protein binding assay, the inhibitory effect of Tiopronin (NMPG) on HPH-2 was attenuated by escalating dose of ascorbate but not 2-ketoglutarate, cofactors of the enzyme[2].

In Vivo：Tiopronin (NMPG) alleviates colonic injury and effectively lowered myeloperoxidase activity. Moreover, NMPG substantially attenuates expression of pro-inflammatory mediators in the inflamed colon. NMPG induces hypoxia-inducible factor-1α (HIF-1α) in human colon carcinoma cells, leading to elevated secretion of vascular endothelial growth factor (VEGF), a target gene product of HIF-1 involved in ulcer healing of gastrointestinal mucosa. NMPG induces HIF-1α occurred by inhibiting HIF prolyl hydroxylase-2 (HPH-2), an enzyme that plays a major role in negatively regulating HIF-1α protein stability[2].

References：

[1]. Pu Zhang, et al. Detection of tiopronin in body fluids and pharmaceutical products using red-emissive DNA-stabilized silver nanoclusters as a fluorescent probe. Mikrochim Acta. 2019 Aug 8;186(9):609. [Content Brief]

[2]. Soohwan Yum, et al. N-(2-Mercaptopropionyl)-glycine, a diffusible antioxidant, activates HIF-1 by inhibiting HIF prolyl hydroxylase-2: implication in amelioration of rat colitis by the antioxidant. Biochem Biophys Res Commun. 2014 Jan 17;443(3):1008-13. [Content Brief]

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