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- 文献和实验
- 技术资料
- 保存条件：
Powder: -20°C, 3 years; 4°C, 2 years.In solvent: -80°C, 6 months; -20°C, 1 month.
- 库存：
货期：1-2天
- 供应商：
MedChemExpress LLC
- CAS号：
546-97-4
- 规格：
10 mM * 1 mL/5 mg/10 mg/25 mg/50 mg/100 mg
| 规格： | 10 mM * 1 mL | 产品价格： | ￥440.0 |
|---|---|---|---|
| 规格： | 5 mg | 产品价格： | ￥400.0 |
| 规格： | 10 mg | 产品价格： | ￥650.0 |
| 规格： | 25 mg | 产品价格： | ￥1100.0 |
| 规格： | 50 mg | 产品价格： | ￥1550.0 |
| 规格： | 100 mg | 产品价格： | ￥2300.0 |
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Columbin
CAS No. : 546-97-4
MCE 国际站：Columbin
产品活性：Columbin 是一种口服活性二萜呋喃内酯，具有抗炎和抗锥虫体作用。Columbin 选择性抑制 COX-2 (EC50=53.1 μM)，选择性高于抑制 COX-1 (EC50=327 μM)。
研究领域：Immunology/Inflammation | Anti-infection
作用靶点：COX | Parasite
In Vitro: Treatment with columbin or l-NAME inhibits LPS/IFN-γ-induced NO production without affecting the viability of RAW264.7. Pre-treatment of stimulated cells with columbin does not inhibit the translocation of NF-κB to the nucleus in LPS-stimulated cells. COX-1 and COX-2 inhibitory activities of columbin are 63.7±6.4% and 18.8±1.5% inhibition at 100μM, respectively. The interaction of columbin with Tyr385 and Arg120 signifies its higher activity in COX-2, as Tyr385 is reported to be involved in the abstraction of hydrogen from C-13 of arachidonate, and Arg120 is critical for high affinity arachidonate binding.
In Vivo: Columbin inhibits oedema formation in mice paw. At doses of 300 mg/kg and 700 mg/kg, columbin inhibits inflammation from 0 to 5 h and the results are comparable to that of aspirin as a standard anti-inflammatory drug. The inhibitory effect of columbin on carrageenan induced paw oedema in mice may be due to the suppression of the release of mediators responsible for inflammation including prostaglandin. Columbin is poorly bioavailable (2.8% p.o. and 14% i.p.) in rats, but its transport is rapid across the Caco-2 cell monolayers, suggesting that extensive first-pass metabolism in the liver is the likely reason for its poor bioavailability.
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文献和实验Alizarin Complexon 530-560 580 Alizarin Red 530-560 580 Allophycocyanin 650 661 ACMA 430 474 AMCA-S, AMC 345 445 Aminoactinomycin D 555 655 7-Aminoactinomycin D-AAD 546 647 Aminocoumarin 350 445 Anthroyl Stearate 361-381 446 Astrazon BrilliantRed
Acriflavin 436 520 AFA (AcriflavinFeulgen SITSA) 355-425 460 Alizarin Complexon 530-560 580 Alizarin Red 530-560 580 Allophycocyanin 650 661 ACMA 430 474 AMCA-S, AMC 345 445 Aminoactinomycin D 555 655 7-Aminoactinomycin D-AAD 546 647
secondary antibody review -- data from 99 publications
ref host class subclass conjugation experiment dilution detail supplier 1 goat Alexa Fluor 488 immunocytochemistry 1:250 localization of tagged EVA-1 in 293T cell Molecular Probes 1 goat Alexa Fluor 546 immunocytochemistry 1:250
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