MSI-1436 lactate (Trodusquemine lactate)
(Synonyms: Trodusquemine lactate; Aminosterol-1436 lactate) 目录号 : GC32397
MSI-1436 lactate (Trodusquemine lactate) 是一种选择性的、非竞争性的蛋白酪氨酸磷酸酶 1B (PTP1B) 抑制剂，IC50 为 1 μM，比 TCPTP 高 200 倍（IC50 为 224 μM ）。
Cas No.:1309370-86-2
Sample solution is provided at 25 µL, 10mM.
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MSI-1436 lactate is a selective, non-competitive inhibitor of the enzyme protein tyrosine phosphatase 1B (PTB-1B), with an IC50 of 1 μM, 200-fold preference over TC-PTP (IC50 of 224 μM).
In HepG2, MSI-1436 (10 µM, 30 min) alone has no effect on phosphorylation of IRβ, but in conjunction with 100 nM insulin, MSI-1436 increases p-IRβ 18-fold over untreated cells and by approximately threefold over cells treated with insulin alone. MSI-1436's inhibition of TCPTP is approximately two logs less than the effect on PTP1B activity, with a resulting IC50 value of 224 µM[1]. MSI-1436 (Trodusquemine, 10 μM) restores ERK phosphorylation in response to mGluR1/5 agonist DHPG in F11 neuronal cells. MSI-1436 (10 uM) rescues DHPG-induced holding currents and restores DSI in LMO4KO BLA neurons[2]. MSI-1436 (0.1-100 µM) blocks PTP1B activity, has insulin-mimetic effects in cultured neuronal cells[3].
MSI-1436 (10 mg/kg, i.p.) causes obesity-dependent body weight, reduces total body fat content and adipocyte size and lipid content of white adipose tissue of mice. MSI-1436 treatment significantly reduces plasma insulin levels. MSI-1436 (10 mg/kg, i.p.) increases phosphorylation of STAT-3 2.7-fold and, in conjunction with 100 U/kg insulin, p-IRβ increases threefold over insulin alone-treated rats[1]. MSI-1436 (Trodusquemine) exhibits anxiolytic effect through a restoration of endocannabinoid (eCB) signaling within the amygdala[2]. MSI-1436 (5 mg/kg, i.p.) has an anti-diabetic effect on diabetic mice, and is sufficient to suppress food intake and cause weight loss in CD1 mice[3].
[1]. Lantz KA, et al. Inhibition of PTP1B by trodusquemine (MSI-1436) causes fat-specific weight loss in diet-induced obese mice. Obesity (Silver Spring). 2010 Aug;18(8):1516-1523. [2]. Qin Z, et al. Chronic stress induces anxiety via an amygdalar intracellular cascade that impairs endocannabinoid signaling. Neuron. 2015 Mar 18;85(6):1319-31. [3]. Qin Z, et al. Functional properties of Claramine: a novel PTP1B inhibitor and insulin-mimetic compound. Biochem Biophys Res Commun. 2015 Feb 27;458(1):21-7.
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Kinase experiment: |
Human kinases activities are measured. In brief, 256 DNA-tagged kinases, ligand affinity beads, and MSI-1436 lactate (10 μM) are incubated at room temperature, washed, and then eluted. Phage titer in the eluates is quantitated by real-time quantitative PCR[1]. |
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Cell experiment: |
Quantitation of phosphatase activity is measured using an intact cell assay. Hep G2 cells are pretreated with 10 μM MSI-1436 lactate or sodium orthovanadate (100 μM, postive control) for 10 min at 37 °C, then incubated with 10 μM pNPP (a cell permeable hydrolysable substrate) for 30 min at 37 °C. Samples of the supernatants are spectrophotometrically analyzed at OD405 for hydolyzed pNP, a direct end product of phosphatase activity[1]. |
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Animal experiment: |
Male AKR/J mice are randomly placed on ad libitum 10, 45, or 60% fat kcal diets. After 14 weeks, mice are randomly assigned to three treatment groups (n=5 to 8 mice/group); MSI-1436 lactate (initial dose of 10 mg/kg with three subsequent weekly doses of 5 mg/kg, intraperitoneally), vehicle (saline, 10 mL/kg, weekly 4×), or pair-fed (PF). PF animals are injected with saline (weekly 4×) and allotted the amount of food consumed daily by MSI-1436 lactate -treated animals. On day 23, mice are anesthetized and euthanized for blood and tissue collection, respectively. Plasma is obtained following centrifugation of blood 14,000 rpm for 10 min at 4°C[1]. |
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References: [1]. Lantz KA, et al. Inhibition of PTP1B by trodusquemine (MSI-1436) causes fat-specific weight loss in diet-induced obese mice. Obesity (Silver Spring). 2010 Aug;18(8):1516-1523. |
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| Cas No. | 1309370-86-2 | SDF | |
| 别名 | Trodusquemine lactate; Aminosterol-1436 lactate | ||
| Canonical SMILES | NCCCNCCCCNCCCN[C@@H]1C[C@@](C[C@@H](O)[C@]2([H])[C@]3([H])CC[C@@]4(C)[C@@]2([H])CC[C@@]4([C@H](C)CC[C@@H](OS(=O)(O)=O)C(C)C)[H])([H])[C@]3(C)CC1.O=C(O)C(C)O.[3.5] | ||
| 分子式 | C37H72N4O5S . 7/2C3H6O3 | 分子量 | 1000.17 |
| 溶解度 | DMSO : 54 mg/mL (53.99 mM);Water : ≥ 33.33 mg/mL (33.32 mM) | 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 | 0.9998 mL | 4.9992 mL | 9.9983 mL |
| 5 mM | 0.2 mL | 0.9998 mL | 1.9997 mL |
| 10 mM | 0.1 mL | 0.4999 mL | 0.9998 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。
Quality Control & SDS
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- Purity: >95.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet