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Ochratoxin A(OTA)

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Ochratoxin A(OTA)
结构式
303-47-9
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中国地区超过5000个高品质化合物库存
应用领域
Ochratoxin A demonstrates nephrotoxicity and teratogenesis in animals, and shows inhibition of bacterial, yeast, and liver FARSL (phenylalanyl-tRNA synthetases) competitive with phenylalanine.
化学性质生物活性化合物的使用COA & MSDS相关产品产品说明书
Cas No.: 303-47-9
名称: N-[(3R)-(5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-L-phenylalanine; OCA
别名: OTA
SMILES: C[C@@H]1CC2=C(C=C(C(=C2C(=O)O1)O)C(=O)N[C@@H](CC3=CC=CC=C3)C(=O)O)Cl
分子式: C20H18ClNO6
分子量: 403.81
纯度:
保存条件: 2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO
Description:
In Vivo:
In Vitro:
References: Ochratoxin A is a mycotoxin isolated from the Aspergillus ochraceus mold, a common fungal presence on moldy food. Ochratoxin A demonstrates nephrotoxicity and teratogenesis in animals, and shows inhibition of bacterial, yeast, and liver FARSL (phenylalanyl-tRNA synthetases) competitive with phenylalanine. As these activities are partially attenuated by phenylalanine, Ochratoxin A is suggested to produce its effects through interacting with proteins that recognize phenylalanine as a substrate, and has been demonstrated to inhibit PAH (phenylalanine hydroxylase). Derivatives of Ochratoxin A with other amino acid moieties substituted for the phenylalanine-mimic portion of the molecule demonstrate inhibition of the aminoacyl tRNA synthetases respective to those amino acids. Ochratoxin A is described to enhance lipid peroxidation and also present DNA single strand breaks, both suggesting oxidative damage as a partial mediator of Ochratoxin A cellular effects, and EPR spectroscopy with a spin trap agent identified the production of hydroxyl radicals by Ochratoxin A in the presence of NADPH. The nephrotoxic effects of Ochratoxin A are shown to be prevented by SOD (superoxide dismutase) and catalase, further indicating oxidative damage as the mediator of Ochratoxin A toxicity. Ochratoxin A is also demonstrated to increase ATP-dependent Ca2+ pump activity in renal cortex endoplasmic reticulum.
Kinase Assay:
Cell Assay:
Animal Administration:
References:
MSDS
COA
LOT NO. DOWNLOAD
2018-0101
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