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CAS No. : 848591-90-2
MCE 国际站:A-582941 dihydrochloride
产品活性:A-582941 dihydrochloride 是一种有效的,选择性的和可透过血脑屏障的 α7 nAChR 的部分激动剂,在大鼠脑膜和人额叶皮层的 Ki 值分别为 10.8 nM 和 16.7 nM。A-582941 dihydrochloride 以 150 nM 的 Ki 值与人 5-HT3 受体结合。A-582941 dihydrochloride 具有研究与各种神经退行性疾病和精神疾病相关的认知缺陷的潜力。
研究领域:Membrane Transporter/Ion Channel | Neuronal Signaling | GPCR/G Protein
作用靶点:nAChR | 5-HT Receptor
In Vitro: A-582941 (0.1-100 μM) protects against cell death induced by NGF withdrawal in PC12 cells.
A-582941 (100 nM) increases the number of inhibitory postsynaptic potentials (IPSCs) by 260±70%, the sum of amplitudes by 220±30%, and the sum of areas by 210±40%.
A-582941 increases ERK1/2 phosphorylation with an EC50 of 95 nM in PC12 cells.
In Vivo: A-582941 (3 μM/kg, i.p. once daily for 3 d) induces a moderate increase in ACh release in the medial prefrontal cortex (mPFCx) of freely moving rats.
A-582941 (0.01-1.00 μM/kg, i.p.) produces a dose-dependent increase in ERK1/2 phosphorylation in the cingulate cortex and hippocampus, and increases cAMP response element-binding protein (CREB) phosphorylation in the cingulate cortex in mice.
A-582941 (0.1-1.0 μM/kg, i.p.) evokes dose-dependent increases in Ser-9 GSK-3β phosphorylation in the mouse cingulate cortex.
A-582941 shows high oral bioavailability (mouse ~100%, rat 90%, dog 22%, monkey 50%) and Cmax (mouse 18, rat 114, dog 79, monkey 39 ng/mL) following oral administration (mouse 1.0, rat 6.2, dog 3.0, monkey 3.0 μM/kg).
A-582941 shows terminal elimination half-lives (mouse 1.4, rat 1.5, dog 1.4, monkey 2.0 h), plasma clearance (mouse 7.9, rat 4.7, dog 5.3, monkey 1.6 L/h/kg) and volumes of distribution (mouse 11.4, rat 9.2, dog 7.9, monkey 3.9 L/kg) following intravenous administration (mouse 1.0, rat 6.2, dog 0.5, monkey 0.5 μM/kg).
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