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- 详细信息
- 文献和实验
- 技术资料
- 库存:
47
- 英文名:
AR-R 17779 hydrochloride
- CAS号:
178419-42-6
- 供应商:
上海莼试
- 保存条件:
Desiccate at RT
- 规格:
10mg
1.本蛋白酶抑制剂混合物为100×的储存液,使用时按照1:100的比例加入到裂解液中(例如,1ml裂解液中加入10μl蛋白酶抑制剂混合物),混匀后即可使用。根据需要,0.5M的EDTA也按照1:100的比例加入到裂解液中(如用于检测金属蛋白酶活性,则不宜添加EDTA)。含有蛋白酶抑制剂混合物的裂解液宜现用现配,不宜配制后冻存待后续使用。
2. 待所需的抑制剂添加完毕混匀后,就可以开始进行哺乳动物组织的裂解和蛋白提取。
商品属性:
| 货号 | CS-01Y75774 | 规格 | 10mg |
| CAS号 | 178419-42-6 | 分子量 | 218.68 |
| 含量 | >98.00% | 别名 | |
| 分子式 | C9H14N2O2.HCl | 化学名 | (1'R,3'S,4'R)-1'-azaspiro[oxazolidine-5,3'-bicyclo[2.2.2]octan]-2-one hydrochloride |
| 产地 | 国产 | 用途 | 仅供科研研究实验 |
分子式:C9H14N2O2.HCl
分子量:218.68
溶解度:<10.93mg/ml in DMSO; <21.87mg/ml in H2O
储存条件:Desiccate at RT
General tips:For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition:Evaluation sample solution : ship with blue ice All other available size: ship with RT , or blue ice upon request
AR-R 17779 is a selective agonist of α7 nicotinic acetylcholine receptor (α7-nAChR) [1] with an EC50 of 21 μM to rat α7-nAChRs expressed in Xenopus oocytes [2].Nicotine enhances cognitive functions, e.g. learning, attention, retention and memory in both humans and animals, via activation of brain nicotinic acetylcholine receptors (nAChRs). These receptors are homo- or heteropentameric ligand-gated ion channels. The most common nicotinic receptors found in the brain are the α4β2-nAChR and the α7-nAChR [3].The expression of CD38, CD138, and Bcl-6, was sensitive to regulation via nAChRs. Daudi cells exposed to AR-R 17779 ± methyllycaconitine (MLA) resulted in only moderate changes in the gene expression of CD38, CD138 and Bcl-6, but AR-R 17779 alone significantly (P< 0.05) increased protein levels of CD38 and CD138. That means the effect of AR-R 17779 was abolished by MLA [4].Cholesterol is necessary for the homeostasis of acetylcholine receptor (AChR) levels for ion translocation and at the plasmalemma [5]. In ApoE-deficient mice, AR-R 17779 significantly reduced atherosclerotic plaque area in the thoracic aorta, and lowered heart rate, blood pressure, serum triglyceride level and serum total cholesterol level compared with which in Ang II + HFD mice. Treatment with AR-R 17779 in mice did not result in any sickness behavior or apparent abnormalities. At the end of the experiment, the serum concentration of AR-R 17779 was 1.18 ± 0.17 μM. In ApoE-deficient mice, treatment with AR-R 17779 resulted in significantly reduced aortic diameter comparable to control mice (0.81 ± 0.11 mm, p< 0.0001 vs. Ang II + HFD) [1].
注意事项:
抗逆滴加序列
每次向板内滴加抗原时,移液器滴头要与平面45度悬空,不要触碰到孔内的液体,由后向前依次滴加(即浓度由低往高滴加)。
抗感染反应期
抗原抗体在室温20~25℃下,必须反应30min以上,若环境温度低于室温,可将微量反应板置于恒温培养箱中,使二者充分反应。
旅游温度
磷酸盐缓冲液的pH值要在高压灭菌后进行滴定,往往在高压后pH值会有所改变,所以高压后再调一次pH值更为准确。磷酸盐缓冲液一经使用保存期不要超过3周。当pH<5.8时,红细胞会产生自凝现象;当pH>7.8时,图形洗脱加快,易造成肉眼观察产生误差;p H=7.2时,红细胞沉降最充分,图形最清晰。
当滴注 1%红细胞悬液时,应经常摇晃红细胞悬液,使红细胞均匀地分布在磷酸缓冲液中,以防止红细胞下降。
反应时间及温度
加入鸡红血球之后,反应板在室温(20~25℃)静置30~40min,对照孔血球下沉于孔底,即可判定结果。若室温达不到实验要求,需相应调整反应时间。当环境温度低于4℃时,红细胞发生自凝;高于37℃时,会发生反应物分离和红细胞溶血。
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Dry nitrogen (N 2 ) or Argon (Ar) 1‐[(2S )‐3‐Hydroxy‐2‐phosphonomethoxypropyl]cytosine: Cidofovir, CDV, (S )‐HPMPC; Rasayan Inc. (Holý, ; Eriksson et al., ) or 9‐[(2S
Water Maze Testing to Identify Compounds for Cognitive Enhancement
agonist); SB271046 (serotonin 5‐HT6 antagonist); BIBN‐99 (muscarinic cholinergic m2 antagonist); AR‐R17779 (nicotinic cholinergic α7 full agonist); MEM 1003 (L‐type calcium channel blocker); RG3487 (nicotinic cholinergic α7 partial agonist). n = 6 to 10
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