ML115
(Synonyms: CID 6619100, SID 14735210) 目录号 : GC44213
A cell-permeable STAT3 activator
Cas No.:912798-42-6
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >98.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
Signal transducer and activator of transcription 3 (STAT3) is a cytokine-inducible transcription factor with roles in inflammation and cancer. ML115 is an isoxazole carboxamide that acts as a cell-permeable STAT3 activator (EC50 = 2 nM) and is more than 28,000-fold selective for STAT3 over STAT1 and NF-κB. It shows no cytotoxicity against HT-1080 or NIH-3T3 cells. ML115 increases the expression of BCL3, a known STAT3-dependent oncogene, and enhances STAT3 activation by the pro-inflammatory cytokine IL-6. As the maintenance of pluripotency in mouse embryonic stem cells requires continued activation of STAT3, ML115 may be useful in maintaining embryonic stem cells in an undifferentiated state.
| Cas No. | 912798-42-6 | SDF | |
| 别名 | CID 6619100, SID 14735210 | ||
| Canonical SMILES | COC1=CC(NC(C2=NOC(C3CC3)=C2)=O)=C(OC)C=C1Cl | ||
| 分子式 | C15H15ClN2O4 | 分子量 | 322.7 |
| 溶解度 | DMF: 25 mg/ml,DMSO: 16 mg/ml,Ethanol: 0.1 mg/ml | 储存条件 | Store at -20°C |
| General tips | 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。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 3.0989 mL | 15.4943 mL | 30.9885 mL |
| 5 mM | 0.6198 mL | 3.0989 mL | 6.1977 mL |
| 10 mM | 0.3099 mL | 1.5494 mL | 3.0989 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Effect of acetate formation pathway and long chain fatty acid CoA-ligase on the free fatty acid production in E. coli expressing acy-ACP thioesterase from Ricinus communis
Metab Eng 2012 Jul;14(4):380-7.PMID:22480945DOI:10.1016/j.ymben.2012.03.007.
Microbial biosynthesis of fatty acid like chemicals from renewable carbon sources has attracted significant attention in recent years. Free fatty acids can be used as precursors for the production of fuels or chemicals. Wild type E. coli strains produce fatty acids mainly for the biosynthesis of lipids and cell membranes and do not accumulate free fatty acids as intermediates in lipid biosynthesis. However, free fatty acids can be produced by breaking the fatty acid elongation through the overexpression of an acyl-ACP thioesterase. Since acetyl-CoA might be an important factor for fatty acid synthesis (acetate formation pathways are the main competitive pathways in consuming acetyl-CoA or pyruvate, a precursor of acetyl-CoA), and the long chain fatty acid CoA-ligase (FadD) plays a pivotal role in the transport and activation of exogenous fatty acids prior to their subsequent degradation, we examined the composition and the secretion of the free fatty acids in four different strains including the wild type MG1655, a mutant strain with inactivation of the fatty acid beta-oxidation pathway (fadD mutant (ML103)), and mutant strains with inactivation of the two major acetate production pathways (an ack-pta (acetate kinase/phosphotransacetylase), poxB (pyruvate oxidase) double mutant (ML112)) and a fadD, ack-pta, poxB triple mutant (ML115). The engineered E. coli cells expressing acyl-ACP thioesterase with glucose yield is higher than 40% of theoretical yield. Compared to MG1655(pXZ18) and ML103(pXZ18), acetate forming pathway deletion strains such as ML112(pXZ18) and ML115(pXZ18) produced similar quantity of total free fatty acids, which indicated that acetyl-CoA availability does not appear to be limiting factor for fatty acid production in these strains. However, these strains did show significant differences in the composition of free fatty acids. Different from MG1655(pXZ18) and ML103(pXZ18), acetate formation pathway deletion strains such as ML112(pXZ18) and ML115(pXZ18) produced similar level of C14, C16:1 and C16 free fatty acids, and the free fatty acid compositions of both strains did not change significantly with time. In addition, the strains bearing the fadD mutation showed significant differences in the quantities of free fatty acids found in the broth. Finally, we examined two potential screening methods for selecting and isolating high free fatty acids producing cells.