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Mildronate dihydrate

CAS No.: 86426-17-7

Mildronate dihydrate is an inhibitor of biosynthesis of L-carnitine by gamma-butyrobetaine (GBB) hydroxylase and as a co
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Description Mildronate dihydrate is an inhibitor of biosynthesis of L-carnitine by gamma-butyrobetaine (GBB) hydroxylase and as a competitive inhibitor of renal carnitine reabsorption.
In vitro Mildronate (40 μM) 抑制了γ-丁基丙酮酸羟化酶与γ-丁基丙酮酸的反应,其Km和Vmax分别为36.8 μM和0.08 nmol/min/mg 蛋白质。[1]
In vivo Mildronate 经口给予大鼠10天(150 mg/kg),使心肌自由肉毒碱和长链酰肉毒碱含量分别降低63.7%和74.3%。随后口服 Mildronate(100 mg/kg)并给予Isoproterenol处理的大鼠,与仅接收Isoproterenol的大鼠相比,自由肉毒碱浓度下降了48.7%。Mildronate 的先期给药有效地保护心肌免受Isoproterenol引起的ATP含量和心肌能量电荷的变化,同时阻止肌酸磷酸激酶和乳酸脱氢酶活性上升。[1] Mildronate 长期治疗(200 mg/kg)显著增加胰岛素刺激的葡萄糖摄取率35%及葡萄糖转运蛋白4 (1.7倍增加)、己糖激酶II (2.1倍增加)、胰岛素受体蛋白 (2.5倍增加)和肉毒碱棕榈酰转移酶IA (2.2倍增加)在小鼠心脏的表达。长期治疗显著降低进食状态下的血糖从6 mM降至5 mM。[2] Mildronate 减少了在小鼠大脑组织中由叠氮胸苷引起的变化。Mildronate(50 mg/kg)能够正常化caspase-3、细胞凋亡易感性蛋白(CAS)和iNOS表达的增加,同时也正常化细胞色素氧化酶(COX)表达的变化,减少胶质纤维酸性蛋白(GFAP)表达和细胞浸润。[3]
Target activity OCTN2 (human):21 μM (EC50), BBOX (human recombinant):34-62 μM (IC50)
Synonyms Meldonium, 米屈肼(二水合物), Mildronate
molecular weight 182.22
Molecular formula C6H18N2O4
CAS 86426-17-7
Storage Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility DMSO: Insoluble H2O: 10 mM
References 1. Simkhovich BZ, et al. Biochem Pharmacol, 1988, 37(2), 195-202. 2. Liepinsh E, et al. Life Sci, 2008, 83(17-18), 613-619. 3. Pupure J, et al. Neurosci Lett, 2010, 470(2), 100-105. 4. Liepinsh E, et al. Br J Pharmacol, 2009, 157(8), 1549-1556.