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重组
expressed in E. coli
质量水平
表单
buffered aqueous solution
浓度
≥500 units/mL
UniProt登记号
储存温度
2-8°C
基因信息
Escherichia coli K12 ... deoA(948901)
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一般描述
胸苷磷酸化酶抑制血管平滑肌细胞增殖。
应用
胸苷磷酸化酶已用于评估TAS-102治疗晚期实体瘤患者的研究。 胸苷磷酸化酶也已用于研究FP3蛋白对原发性结肠癌患者来源的肿瘤组织异种移植模型的抗肿瘤作用。
生化/生理作用
一种对胸腺嘧啶可逆性转化为胸腺嘧啶进行催化的酶。 胸苷磷酸化酶是嘧啶核苷挽救途径的一部分。
一种对胸腺嘧啶可逆性转化为胸腺嘧啶进行催化的酶。胸苷磷酸化酶是嘧啶核苷挽救途径的一部分。该途径允许嘧啶碱基被回收用于核苷酸生物合成，而1-磷酸戊糖被转化为磷酸戊糖分流和糖酵解的中间体。 大肠埃希菌胸苷磷酸化酶与人序列具有40%的序列同源性，已发现该序列与血管生成剂血小板衍生的内皮生长因子相同。 在鸡绒膜尿囊膜测定中，纯化的大肠埃希菌酶已显示出刺激血管生长的作用。
单位定义
一个单位将在25℃的pH 7.4下每分钟将1.0 μmole的胸苷和磷酸盐分别转化为胸腺嘧啶和2-脱氧核糖1-磷酸。
外形
溶于含2 mM尿嘧啶、0.02%叠氮化钠和牛血清白蛋白的0.5 M磷酸钾溶液
制备说明
从大肠埃希菌克隆并在过表达大肠埃希菌中产生
储存分类代码
12 - Non Combustible Liquids
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
常规特殊物品
含少量动物源组分生物产品
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Hong-Yun Zhao et al.
Anti-cancer drugs, 23(5), 534-542 (2012-04-07)
The aim of the present study was to investigate the gene expression of biomarkers associated with the sensitivity to fluoropyrimidine and taxanes in recurrent/advanced breast cancer patients treated with first-line capecitabine chemotherapy. We evaluated the clinicopathological/prognostic significance of thymidylate synthase
Ketao Jin et al.
Cancer biology & therapy, 13(9), 737-744 (2012-05-24)
FP3 is an engineered protein which contains the extracellular domain 2 of VEGF receptor 1 (Flt-1) and extracellular domain 3 and 4 of VEGF receptor 2 (Flk-1, KDR) fused to the Fc portion of human immunoglobulin G 1. Previous studies
Michelle Levene et al.
Toxicological sciences : an official journal of the Society of Toxicology, 131(1), 311-324 (2012-09-15)
Erythrocyte-encapsulated thymidine phosphorylase (EE-TP) is currently under development as an enzyme replacement therapy for mitochondrial neurogastrointestinal encephalomyopathy (MNGIE), an autosomal recessive disorder caused by a deficiency of thymidine phosphorylase. The rationale for the development of EE-TP is based on the
Alexandra Giatromanolaki et al.
Cancer biology & therapy, 13(13), 1284-1289 (2012-08-17)
Tumor-associated stroma (TAS) is not simply a supporting element for cancer cells, but plays an important role in tumor growth, invasion and metastasis. Changes on the level of stromal constituents, such as loss of Caveolin-1 and increased thymidine phosphorylase (TP)
Charlotte Gasson et al.
Journal of pharmaceutical and biomedical analysis, 72, 16-24 (2012-11-14)
Erythrocyte encapsulated thymidine phosphorylase (EE-TP) is under development as an enzyme replacement therapy for mitochondrial neurogastrointestinal encephalomyopathy (MNGIE), a fatal metabolic disorder resulting from an inherited deficiency of the enzyme thymidine phosphorylase. We report here the development and validation of
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