CGP 35348

A brain-accessible GABAB receptor antagonist

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10mg

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货号: ajci6548
CAS: 123690-79-9
别名: (3-氨丙基)(二乙氧基甲基)膦酸水合物
分子式: C8H20NO4P
分子量: 225.22
纯度: >98%
溶解度: DMSO: 0.1 mg/ml,Ethanol: 30 mg/ml,PBS (pH 7.2): 10 mg/ml
储存: Store at RT
库存: 现货

Background

CGP 35348 is a selective antagonist of γ-aminobutyric acidB (GABAB) receptor with IC50 value of 34 μM [1].

The GABAB receptor is a metabotropic transmembrane receptors for GABA that is linked via G-protein to potassium channel. It stimulates the opening of K+ channel and hyperpolarize the neuron.

CGP 35348 is a selective GABAB receptor antagonist that can penetrate the blood-brain barrier. In rat cortex slices, CGP 35348 inhibited the potentiating effect of L-baclofen on adenylate cyclase stimulated by noradrenaline. In the hippocampal slice, CGP 35348 (10, 30, 100 μM) inhibited membrane hyperpolarization induced by L-baclofen (10 μM) and the inhibitory postsynaptic potential [1].

In the spinal cord of the rat, CGP 35348 (3-30 μg) inhibited L-baclofen-induced antinociception in a dose-dependent way [2]. In the rat, CGP 35348 induced pain-like response to mechanical stimulation in a dose-dependent way and reduced the paw withdrawal threshold to pressure [3]. In rats, CGP 35348(500 mg/kg) significantly reduced food consumption by the blockade of central GABAB receptors [4].

参考文献:
[1].? Olpe HR, Karlsson G, Pozza MF, et al. CGP 35348: a centrally active blocker of GABAB receptors. Eur J Pharmacol, 1990, 187(1): 27-38.
[2].? Hammond DL, Washington JD. Antagonism of L-baclofen-induced antinociception by CGP 35348 in the spinal cord of the rat. Eur J Pharmacol, 1993, 234(2-3): 255-262.
[3].? Hao JX, Xu XJ, Wiesenfeld-Hallin Z. Intrathecal gamma-aminobutyric acidB (GABAB) receptor antagonist CGP 35348 induces hypersensitivity to mechanical stimuli in the rat. Neurosci Lett, 1994, 182(2): 299-302.
[4].? Patel SM, Ebenezer IS. The effects of intraperitoneal and intracerebroventricular administration of the GABAB receptor antagonist CGP 35348 on food intake in rats. Eur J Pharmacol, 2004, 503(1-3): 89-93.