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NBPA: a cerebral ischaemic protective agent.

机译:NBPA:一种脑缺血保护剂。

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1. NBPA is a derivative of 3-n-butylpathalide isolated from Apium granolens Linn. 2. At concentrations ranging from 6 x 10(-6) to 10(-6) mol/L, NBPA inhibited the L-type calcium current in guinea-pig myocardial cells and cultured human neuroblastoma cells. 3. At 10(-6) mol/L, NBPA markedly inhibited calcium-dependent and -independent release of glutamate from synaptosomes. 4. The [31P] nuclear magnetic resonance spectrum has shown that pretreatment with NBPA at 15 mg/kg, i.p., improved energy metabolism. 5. In situ hybridization has shown that 10 and 20 mg/kg, i.p., NBPA prior to cerebral artery occlusion can accelerate the expression of heat shock protein 70 mRNA and inhibit c-fos mRNA expression. 6. It has been shown that NBPA decreases the nitric oxide content and bc nitric oxide synthase (NOS) activity in the global cerebral ischaemia-reperfusion model in rats. In addition, it has been shown that NBPA significantly inhibits the expression of inducible NOS protein.
机译:1. NBPA是从Apium granolens Linn中分离出来的3-n-butylpathalide的衍生物。 2.浓度在6 x 10(-6)到10(-6)mol / L之间时,NBPA抑制豚鼠心肌细胞和培养的人神经母细胞瘤细胞中的L型钙电流。 3.在10(-6)mol / L时,NBPA明显抑制了钙依赖性和非依赖性谷氨酸从突触体中的释放。 4. [31P]核磁共振波谱表明,以15 mg / kg的NBPA进行预处理可以改善能量代谢。 5.原位杂交表明,在大脑动脉闭塞之前,NBPA 10和20 mg / kg,即腹水可以加速热休克蛋白70 mRNA的表达并抑制c-fos mRNA的表达。 6.研究表明,在全脑缺血再灌注模型中,NBPA降低一氧化氮含量和bc一氧化氮合酶(NOS)活性。另外,已经表明NBPA显着抑制了诱导型NOS蛋白的表达。

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