中文名称: | 贝他定 促销 | ||||
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英文名称: | Bestatin | ||||
别名: | 乌苯美司 Ubenimex NK421 ((2S,3R)-3-amino-2-hydroxy-4-phenylbutanoyl)-L-leucine | ||||
CAS No: | 58970-76-6 | 分子式: | C16H24N2O4 | 分子量: | 308.38 |
CAS No: | 58970-76-6 | ||||
分子式: | C16H24N2O4 | ||||
分子量: | 308.38 | ||||
MDL: | MFCD00083262 | EINEC: | 265489 | ||
EINEC: | 265489 |
基本信息
产品编号: |
B10062 |
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产品名称: |
Bestatin |
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CAS: |
58970-76-6 |
储存条件 |
粉末 |
-20℃ |
四年 |
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分子式: |
溶于液体 |
-80℃ |
两年 |
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分子量 |
308.38 |
-20℃ |
一个月 |
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化学名: |
(S)-2-((2S,3R)-3-amino-2-hydroxy-4-phenylbutanamido)-4-methylpentanoic acid |
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Solubility (25°C): |
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体外:
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DMSO |
4mg/mL(12.97mM) |
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Ethanol |
Insoluble |
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Water |
Insoluble |
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体内(现配现用): |
1.请依序添加每种溶剂:10% DMSO→40% PEG300→5% Tween-80→45% saline Solubility:≥0.83mg/mL(2.69mM);Clear solution |
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此⽅案可获得≥0.83mg/mL(2.69mM,饱和度未知)的澄清溶液。以1mL⼯作液为例,取100μL8.3mg/mL的澄清DMSO储备液加到400μL PEG300中,混合均匀;向上述体系中加⼊50μL Tween-80,混合均匀;然后继续加⼊450μL⽣理盐⽔定容⾄1mL。 |
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2.请依序添加每种溶剂:10% DMSO→90% (20% SBE-β-CD in saline) Solubility:≥0.83mg/mL(2.69mM);Clear solution |
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此⽅案可获得≥0.83mg/mL(2.69mM,饱和度未知)的澄清溶液。以1mL⼯作液为例,取100μL8.3mg/mL的澄清DMSO储备液加到900μL20%的SBE-β-CD⽣理盐⽔⽔溶液中,混合均匀 |
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3.请依序添加每种溶剂:10% DMSO→90% corn oil Solubility:≥0.83mg/mL(2.69mM);Clear solution |
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此⽅案可获得≥0.83mg/mL(2.69mM,饱和度未知)的澄清溶液,此⽅案不适⽤于实验周期在半个⽉以上的实验。以1mL⼯作液为例,取100μL8.3mg/mL的澄清DMSO储备液加到900μL⽟⽶油中,混合均匀。 |
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<1mg/ml表示微溶或不溶。 |
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普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。 |
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请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;⼀旦配成溶液,请分装保存,避免反复冻融造成的产品失效。 |
制备储备液
浓度
溶液体积 质量 |
1mg |
5mg |
10mg |
1mM |
3.2429mL |
16.2143mL |
32.4286mL |
5mM |
0.6486mL |
3.2429mL |
6.4857mL |
10mM |
0.3243mL |
1.6214mL |
3.2429mL |
生物活性
产品描述 |
一种CD13(氨肽酶)抑制剂。 |
靶点 |
Aminopeptidase-N |
体外研究 |
Bestatin抑制除KG1的所有的人白血病细胞系的增殖。在U937细胞中,Bestatin诱导DNA片段化和DNA梯及增强caspase-3的活性。Bestati剂量依赖性诱导人白血病细胞系中的DNA片段化。Bestatin剂量依赖性抑制SN12M细胞侵袭进入重组基底膜(基质胶)。Bestatin浓度依赖性抑制肿瘤细胞的IV型胶原的退化,但不通过肿瘤条件培养基(TCM)。在SN12M细胞中,Bestatin抑制朝着氨肽酶的底物水解活性。Bestatin抑制人脐静脉内皮细胞(HUVECs)中的管状形成。Bestatin通过固定在细胞表面的亮氨酸氨肽酶对淋巴细胞(和单核细胞)发挥直接的刺激作用,通过氨基肽酶B抑制吞噬作用激素的分解代谢发挥单核细胞(淋巴细胞)的间接作用。 |
体内研究 |
Bestatin显著抑制小鼠背部气囊测定黑色素瘤细胞诱导的血管生成。在种植了B16-BL6黑色素瘤细胞的小鼠的背部侧中,Bestatin减少既定原发性肿瘤块血管的数量。在EGDA大鼠的食管组织中,Bestatin统计学显著抑制白三烯B4的生物合成,在EGDA大鼠中,Bestatin降低EAC的发病率,从57.7%至26.1%。 |
推荐实验方法(仅供参考)
Kinase Assay |
Cells are harvested, washed, and lysed in NP-40 lysis buffer (50mM Tris-HCl [pH 7.5], 150mM NaCl, 0.5% NP-40). Total cell protein is quantified using the Bradford assay and 1-mg/mL protein aliquots are made. Ten microliters of total cell protein is mixed with 290 μL of substrate solution (0.1mg/mL dithiothreitol [DTT], 0.1mg/mL albumin, and 1mM alanine-β- naphthylamide). Fluorometric measurements (340nm excitation, 400nm emission) are made after 15 and 30 min. The slope of the line between the 15- and 30-min measurements is used to represent aminopeptidase activity. Total cell protein is preincubated with bestatin, amastatin, puromycin, EDTA, and/or ZnCl2 for 20 min before the fluorometric aminopeptidase assay. |
Cell Assay |
Growing cells (1×106 to 2×106 cells/mL) are diluted to 1.0×103 cells/mL and transferred (3mL) into a well in a 12-well multiwell plate (2.5-cm diameter/well). Cells are treated with 0, 10, 50, 100, 300, or 600μM Bestatin and allowed to grow at 21°C shaking at 180 rpm for 48 h. A hemocytometer is used to measure cell density after 0, 24, and 48 h. |
Animal Administration |
Bestatin is dissolved in PBS. The agent (doses of 10, 1, and 0.1mg/kg) is injected i.p. to non-cyclophosphamide-treated mice, 5 or 10 times at 24-h intervals before SRBC immunization. The mice are immunized 24 h after the last dose of bestatin. Pharmacological immunosuppression is induced by a single intraperitoneal injection of cyclophosphamide administered at a dose of 350mg/kg, 12 days before SRBC immunization. Bestatin at the doses of 1 and 0.1mg/kg is injected to cyclophosphamide-immunosuppressed mice i.p. five times at 48-h intervals or 10 times at 24-h intervals before SRBC immunization. The first dose of bestatin is administered 24 h after cyclophosphamide, while the last dose of the drug is injected 24h before SRBC immunization. |
本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系,公式为:
质量 (g) = 浓度 (mol/L) x 体积 (L) x 分子量 (g/mol)
摩尔浓度计算公式
用本工具协助配置特定浓度的溶液,使用的计算公式为:
开始浓度 x 开始体积 = 最终浓度 x 最终体积
稀释公式
稀释公式一般简略地表示为:C1V1 = C2V2 ( 输入 输出 )