| 中文名称: | 他克莫司一水合物 | 中文别名: | 他克莫司一水合物 |
|---|---|---|---|
| 英文名称: | Tacrolimus Monohydrate | CAS: | 109581-93-3 |
| 产品分类: | 纯度: | 99.00% |
| 产品编号 | 品牌 | 纯度 | 规格 | 库存 | 价格 |
|---|---|---|---|---|---|
| R13360 | 瑞威尔 | 99.00% | 20g | 现货 | 4,200.00 元 |
| R13360 | 瑞威尔 | 99.00% | 5g | 99 | 1,600.00 元 |
| R13360 | 瑞威尔 | 99.00% | 100g | 99 | 23,000.00 元 |
| 标准名称: | 他克莫司一水合物 | 英文名称: | Tacrolimus monohydrate |
|---|---|---|---|
| CAS: | 109581-93-3 | 分子式: | C44H71NO13 |
| 分子量: | 822.0335 | 颜色与性状: | No data available |
| 密度: | 沸点: | No data available | |
| 熔点: | 125.0 to 129.0 deg-C | 水溶性: |
他克莫司物理化学性质
沸点 871.7ºC at 760 mmHg
熔点 127-129°
分子式 C44H71NO13
分子量 822.033
闪点 481ºC
精确质量 821.492554
PSA 187.59000
LogP 4.51260
外观性状 固体;White to Almost white powder to crystal
蒸汽压 1.73E-35mmHg at 25°C
储存条件 <0°C;避免加热
水溶解性 水溶性:不溶;可溶于:丙酮,乙醇,甲醇

他克莫司生物活性
描述 Tacrolimus monohydrate 结合到 FK506 结合蛋白 (FKBP) 形成复合体,复合体抑制钙调磷酸酶 (PP2B)。Tacrolimus monohydrate 是一种 mTOR 非依赖性的自噬诱导剂。
相关类别
信号通路 >> 自噬 >> 自噬
研究领域 >> 炎症/免疫
靶点
PP2B (calcineurin phosphatase)[1] Autophagy inducer[2]
体外研究 他克莫司(FK506)抑制钙依赖性事件,例如IL-2基因转录,NO合酶活化,细胞脱粒和细胞凋亡。他克莫司还通过与激素受体复合物中包含的FKBP结合来增强糖皮质激素和孕酮的作用,从而防止降解。该试剂可以类似于CsA所证实的方式增强TGFβ-1基因的表达。 Tacrolimus抑制了响应T细胞受体结扎的T细胞增殖[1]。用低浓度的他克莫司(FK506,10μg/ L)治疗不会显着影响MH3924A细胞的增殖(P = 0.135)。用更高浓度的他克莫司(100-1,000μg/ L)处理后,MH3924A细胞的增殖显着增强(P <0.01)。用任何浓度(10,50或100μg/ L)的AMD3100治疗对MH3924A细胞增殖无明显影响(P> 0.05)。然而,当不同浓度的AMD3100与100μg/ L他克莫司合用时,MH3924A细胞的体外增殖增加(P <0.01)[3]。
体内研究 通过在第10天至第16天或第23天给予他克莫司至硫酸葡聚糖钠(DSS)处理的小鼠,研究了他克莫司对结肠炎的进展和持续的治疗效果。在第17和24天,结肠长度显着缩短,并且结肠重量在DSS处理的对照动物中比在正常动物中显着更高。此外,对照组每单位长度的结肠重量是正常组的两倍多。虽然与对照组相比,用他克莫司治疗7和14天均显着抑制DSS治疗动物中每单位长度的结肠重量增加,但该治疗实际上并未恢复结肠缩短。此外,他克莫司对单位长度结肠重量增加的抑制作用在14天治疗时比7天治疗更明显,如抑制百分比所示(59%对28%)[4]。
细胞实验 通过MTT测定确定肿瘤细胞增殖。简而言之,在MH3924A细胞达到对数生长期后,将96-mL细胞悬浮液以1×10 4细胞/ mL加入到96孔板的每个孔中,并在含有10%FBS,10μg/ L血管的DMEM中培养。内皮生长因子和0.1 g / L肝素24 h。当建立贴壁生长时,不同浓度的他克莫司(10,100和1,000μg/ L),AMD3100(10,50和100μg/ L)和他克莫司(0和100μg/ L)+ AMD3100(0,10,50)将100μg/ L和100μg/ L加入板中。仅在培养基中培养的未处理细胞用作对照。培养48小时后,加入10μLMTT(5g / L),每孔孵育6小时;然后,加入150μL/孔DMSO,然后在分光光度计读数器上测量570mm处的吸光度。每个孔测量三次,每个样品一式三份进行测定[3]。
动物实验 小鼠[4]将6周龄雄性C57BL / 6J小鼠维持在温度和湿度受控的房间中,具有12小时的明暗循环。对于多剂量给药研究,将结肠小鼠(n = 10)以30mg / kg口服施用他克莫司7天(第10天至第16天)或14天(第10天至第23天)。使用相同的方案给予对照(n = 10)和正常组(n = 5)安慰剂。他克莫司或安慰剂以10mL / kg施用。在最后一次给药后的第二天通过CO 2吸入使小鼠安乐死。对于单次给药研究,在第7天,第10天,第17天或第24天,以30mg / kg口服施用他克莫司或在第7,10,17或24天口服施用安慰剂(n = 8)。使用相同的方案给予正常小鼠(n = 4)安慰剂。 。在给药后8小时通过CO 2吸入使小鼠安乐死[4]。
参考文献
[1]. Thomson AW, et al. Mode of action of Tacrolimus (FK506): molecular and cellular mechanisms. Ther Drug Monit. 1995 Dec;17(6):584-91.
[2]. Vogel KR, et al. mTOR inhibitors rescue premature lethality and attenuate dysregulation of GABAergic/glutamatergic transcription in murine succinate semialdehyde dehydrogenase deficiency (SSADHD), a disorder of GABA metabolism. J Inherit Metab Dis. 2016 Nov;39(6):877-886.
[3]. Zhu H, et al. Tacrolimus promotes hepatocellular carcinoma and enhances CXCR4/SDF 1α expression in vivo. Mol Med Rep. 2014 Aug;10(2):585-92.
[4]. Okada Y, et al. Tacrolimus ameliorates dextran sulfate sodium-induced colitis in mice: implication of interferon-γ and interleukin-1β suppression. Biol Pharm Bull. 2011;34(12):1823-7.
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