S87846 |
2-AMINO-BETA-NAPHTHOTHIAZOLE |
源叶(MedMol) | 98% |
- 产品描述: SKA 31 is an activator of KCa3.1 and KCa2 channels (EC50s: 260, 2900, 2900 nM for KCa3.1, KCa2.1 and KCa2.2 respectively).
- 靶点: Potassium Channel;PotassiumChannel
- 体内研究:
Administration of 10 and 30 mg/kg SKA-31 lowered mean arterial blood pressure by 4 and 6 mm Hg in normotensive mice and by 12 mm Hg in angiotensin-II-induced hypertension. SKA-31 (10 μM) inhibited myogenic tone by 80% in cremaster and ~65% in middle cerebral arteries, with IC50 values of ~2 μM in both vessels
- 细胞实验: Jurkat E61 and MEL cells were seeded at 10^5 cells/ml in 12-well plates. SKA-31 was added at concentrations of 10 and 100 μM in a final DMSO concentration of 0.1%, which was found not to affect cell viability. After 48 h, the cells in each well were well mixed and resuspended, and the number of trypan blue-positive cells in three aliquots from each well was determined under a light microscope. The test was repeated twice
- 动物实验: For intravenous injection, SKA-31 was dissolved at 10 mg/ml in a mixture of 10% Cremophor EL and 90% saline and injected at 10 mg/kg. For intraperitoneal application, SKA-31 was dissolved at 10 mg/ml in Miglyol 812 neutral oil (caprylic/capric triglyceride). After tail vein injection of the aqueous solution or intraperitoneal administration of the oily solution, approximately 200 μl of blood was collected from the tail into EDTA blood sample collection tubes at various time points. For very early time points (3, 5, and 10 min) after intravenous administration, blood samples were obtained by cardiac puncture under deep isoflurane anesthesia. Plasma was separated by centrifugation and stored at -80°C pending analysis. After determining that SKA-31 plasma concentrations peaked 2 h after application (10 mg/kg i.p.), we took blood samples under deep isoflurane anesthesia by cardiac puncture from a group of three rats before sacrificing the animals to remove brain, heart, liver, spleen, and fat. Tissue samples were
- 参考文献:
1. Sankaranarayanan A, Naphtho[1,2-d]thiazol-2-ylamine (SKA-31), a new activator of KCa2 and KCa3.1 potassium channels, potentiates the endothelium-derived hyperpolarizing factor response and lowers blood pressure. Mol Pharmacol. 2009 Feb;75(2):281-95. 2. Hasenau AL, et al. Improvement of endothelium-dependent vasodilations by SKA-31 and SKA-20, activators of small- and intermediate-conductance Ca2+ -activated K+ -channels. Acta Physiol (Oxf). 2011 Sep;203(1):117-26. 3. Mishra RC, et al. Inhibition of Myogenic Tone in Rat Cremaster and Cerebral Arteries by SKA-31, an Activator of Endothelial KCa2.3 and KCa3.1 Channels. J Cardiovasc Pharmacol. 2015 Jul;66(1):118-27.
- 溶解性: Soluble in DMSO
- 保存条件: -20℃
- 配置溶液浓度参考:
1mg 5mg 10mg 1 mM 4.994 ml 24.968 ml 49.935 ml 5 mM 0.999 ml 4.994 ml 9.987 ml 10 mM 0.499 ml 2.497 ml 4.994 ml 50 mM 0.1 ml 0.499 ml 0.999 ml
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质量 (mg) = 浓度 (mM) x 体积 (mL) x 分子摩尔量 (g/mol)