產品屬性：
產品名稱 | IRL-1620 TFA |
規格 | 500μg、1mg、5mg |
貨號 | EY-01Y12135 |
Cas No.: N/A
別名: N/A
化學名: N/A
分子式: C88H118F3N17O29
分子量: 1934.97
溶解度: Soluble in DMSO
儲存條件: -20°C, protect from light
General tipsFor obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping ConditionEvaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
產品描述：
IRL-1620 (TFA) is a potent and selective endothelin receptor type B (ETB) agonist with a Ki of 16 pM[1].IRL-1620 (TFA) is the most potent and specific ligand for the ETB receptor (KiETA/ KiETB=120,000) as judged by the Ki values for ETA (19 μM) and ETB (16 PM) receptors[1]. IRL-1620 (TFA) is 60 times more selective for the ETB receptor than ET-3 (KiETA/ KiETB=1,900)[1].IRL-1620 (TFA) (1-100 nM) induces contractions of the guinea pig trachea. The effective concentration that produces 30 % of 60 mM KCI-induced contraction is estimated to be 28 nM for IRL-1620[1]. IRL-1620 (TFA) (1-100 nM) increases cytosolic Ca2+ in the vascular endothelium ([Ca]E) with little effect on resting muscle tone, and relaxes the norepinephrine-stimulated tone with an increase in [Ca]E, in rat aorta,[1]. IRL-1620 (TFA) improves both acquisition (learning) and retention (memory) on the water maze task and enhances angiogenic and neurogenic remodeling. Rats treated with IRL-1620 significantly reduces the cognitive impairment induced by Aβ. IRL-1620 treatment enhances the number of blood vessels labeled with VEGF compared to vehicle treatment[2].IRL-1620 (TFA), restores analgesic tolerance to morphine and oxycodone, but it does not affect morphine and oxycodone induced decrease in NGF/PI3K expression. IRL-1620 attenuates opioid tolerance without the involvement of NGF/PI3K pathway[3].[1]. Takai M, et al. A potent and specific agonist, Suc-[Glu9,Ala11,15]-endothelin-1(8-21), IRL 1620, for the ETB receptor. Biochem Biophys Res Commun. 1992 Apr 30;184(2):953-9.
[2]. Briyal S, et al. Stimulation of endothelin B receptors by IRL-1620 decreases the progression of Alzheimer's disease. Neuroscience. 2015 Aug 20;301:1-11.
[3]. Gulati S, et al. Attenuation of opioid tolerance by ETB receptor agonist, IRL-1620, is independent of an accompanied decrease in nerve growth factor in mice. Heliyon. 2017 Jun 7;3(6):e00317.
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