產(chǎn)品目錄

規(guī)格	10mg 50mg
CAS	501684-93-1
別名	N/A
化學名	1-(5-chloro-2-hydroxyphenyl)-3-(2-chloro-5-(trifluoromethyl)phenyl)urea
分子式	C14H9Cl2F3N2O2
分子量	365.13
溶解度	DMF: 25 mg/ml,DMSO: 25 mg/ml,DMSO:PBS(pH 7.2) (1:3): 0.25 mg/ml,Ethanol: 10 mg/ml
儲存條件	Store 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

產(chǎn)品描述：

NS 1738 (NSC 213859) is a novel positive allosteric modulator of the α7 nAChR, with respect to positive modulation of α7 nAChR (EC50=3.4 μM in oocyte experiments).

NS 1738 acts by increasing the peak amplitude of acetylcholine (ACh)-evoked currents at all concentrations; thus, it increased the maximal efficacy of ACh. Plotting peak current amplitude against the logarithm of the NS 1738 concentration used for preincubation reveals a sigmoidal concentration-response relationship that is well fit by the Hill equation (EC50=3.4 μM). Under similar experimental conditions, NS 1738 shows comparable efficacy and potency at the rat α7 nAChR (EC50=3.9 μM)[1].

To estimate the ability of NS 1738 to permeate the blood-brain barrier, rats are administered 10 mg/kg NS 1738 intraperitoneally. Peak brain concentrations are measured approximately 30 min after injection, and they amount to ~80 ng/mL (~200 nM) at this dose. The ratio between the amount of compound entering the brain and that in plasma is AUCbrain /AUCplasma=0.50. The half-life in plasma is estimated to 42 min. Incubation of NS1738 with isolated liver microsomes in vitro indicates that approximately 60 and 75% of NS 1738 is metabolized via the cytochrome P450 system in mouse and rat, respectively, within 1 h. Adult rats administered NS 1738 at 10 and 30 mg/kg i.p. immediately following the initial exposure to a juvenile rat (T1) display significant decreases in the investigative duration of a subsequent exposure to the same juvenile (T2) 2 h later (T2/T1 ratio of 0.69±0.13 and 0.61±0.07, respectively)[1].

特別提醒：

1. 本產(chǎn)品僅供科研使用。請勿用于醫(yī)藥、臨床診斷或治療，食品及化妝品等用途。請勿存放于普通住宅區(qū)。

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原創(chuàng)作者：上海莼試生物技術有限公司

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