- Talnetant
| SB-222200Human NK-3 receptor antagonist |
Sample solution is provided at 25 µL, 10mM.
Nature.2017 Jan 19;541(7637):417-420.
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- Purity = 98.86%
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| Cas No. | 174635-69-9 | SDF | Download SDF |
| Synonyms | SB 222200;SB222200 | ||
| Chemical Name | 3-methyl-2-phenyl-N-[(1S)-1-phenylpropyl]quinoline-4-carboxamide | ||
| Canonical SMILES | CCC(C1=CC=CC=C1)NC(=O)C2=C(C(=NC3=CC=CC=C32)C4=CC=CC=C4)C | ||
| Formula | C26H24N2O | M.Wt | 380.48 |
| Solubility | ≥19.024 mg/mL in DMSO, ≥43.6 mg/mL in EtOH, <2.47 mg/ml="" in="" h2o=""> | Storage | Store at -20°C |
| Physical Appearance | A solid | Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request |
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. | ||
SB 222200 is a selective and potent antagonist of NK-3 receptor [1].Neurokinin-3 (NK-3) receptor is a member of the G-protein-coupled superfamily and functions as a receptor for tachykinin. Activation of NK-3 receptors causes phosphoinositol 4, 5 biphosphate(PIP2) breakdown into 1,4,5 inositol triphosphate (IP3) and diacylglycerol through phospholipase C activation [1].In Chinese hamster ovary (CHO) cell expressing the hNK-3 receptor, SB 222200 inhibited neurokinin B (NKB) binding to the cell membranes with a Ki value of 4.4 nM. In HEK 293 cells expressing the hNK-3 receptor, SB 222200 antagonized NKB-induced Ca2+ mobilization with an IC50 value of 18.4 nM [1]. In mice model, SB-222200 inhibited behavioral responses (rapid head shakes and tail whips) induced by senktide (the NK-3 receptor-selective agonist) with an ED50 value of 5 mg/kg in a dose-dependent way and the inhibitory effect correlated significantly with brain concentrations of SB-222200 [1]. Treatment adult male CD-1 mice with SB 222200, mice had significantly enhanced hyperactivity when challenged with cocaine, which suggested that blockade of NK-3 receptors enhanced dopamine-mediated behavioral hyperactivity.References:[1]. Sarau HM, Griswold DE, Bush B, et al. Nonpeptide tachykinin receptor antagonists. II. Pharmacological and pharmacokinetic profile of SB-222200, a central nervous system penetrant, potent and selective NK-3 receptor antagonist. J Pharmacol Exp Ther, 2000, 295(1): 373-381.[2]. Nwaneshiudu CA, Unterwald EM. Blockade of neurokinin-3 receptors modulates dopamine-mediated behavioral hyperactivity. Neuropharmacology, 2009, 57(3): 295-301.
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为了使供输血用的血液能保存一定时间，加入适当的抗凝剂，并尽量防止在保存期发生变质而用的液体。为了防止因糖的消失引起活力降低，尚加入葡萄糖。ACD液（含柠檬酸三钠、柠檬酸、葡萄糖）一般用于血库。添加ACD的血液放在4—6℃条件下保存，可保存三周。另外为防止柠檬酸盐的过量可用加磷酸钠的CPD液。此外还设计了加乳酸钠的ACDL液。如果加入甘油等防冻剂则可长时间冷冻保存红细胞。
我搜索了一下网络上的，只找到说要保存在酸性下，但是没有具体的配方。
目前选择这个都是北京博凌科为生物科技有限公司的
小白一枚，现在要构建紫杉醇细胞耐药株。但是我们实验室紫杉醇是医用注射液，浓度为6mg/ml。这个浓度太大了，工作液浓度都是几十ng/ml。想问一下各位大神该如何配置成浓度相对低一点的储存液呢，有效期可以有多久呢？
目前正在从新鲜病人肿瘤组织标本中提取细胞悬液进行阳性细胞的筛选，但由于实验室距离医院有3个小时的车程，请问什么储存方法或者储存液能短期保证肿瘤组织中细胞完整性？谢谢
