期刊文献+

松果体素抑制大鼠海马神经元甘氨酸激活的全细胞电流

Inhibition of glycine-activated current by melatonin in cultured rat hippocampal neurons
下载PDF
导出
摘要 目的研究松果体素对培养的大鼠海马神经元甘氨酸激活的全细胞电流(Igly)的调控。方法在培养的大鼠海马神经元上,采用全细胞膜片钳技术,研究松果体素对甘氨酸激活的全细胞电流的调控。结果松果体素以浓度依赖的方式可逆地抑制Igly,并且这种抑制作用是非竞争性的,松果体素的抑制作用没有特异的亚基选择性。结论松果体素能以非竞争的方式直接抑制甘氨酸受体介导的电流,这种抑制作用可能对海马区域神经网络的兴奋性产生影响。 Aim To investigate the effect of melatonin on the glycine-activated current(Igly) in cultured rat hippocampal neurons.Method Whole-cell patch-clamp technique was used.Result Melatonin rapidly and reversibly inhibited the amplitude of glycine-activated current mediated by native glycine receptors and recombinant α1-、α2-、α3-and α1β-glycine receptors.In cultured rat hippocampal neurons,melatonin inhibited the glycine-activated current in a dose-dependent manner.Furthermore,melatonin noncompetitively inhibited the Igly.Conclusion Melatonin can directly depress GlyR-mediated currents in a non-competitive and subunit-independent manner,suggesting that melatonin may modulate glycinergic transmission and hippocampal network activity.
出处 《中国药理学通报》 CAS CSCD 北大核心 2012年第1期97-100,共4页 Chinese Pharmacological Bulletin
基金 安徽省自然科学基金资助项目(No 090413270) 中国科学技术大学校青年创新基金资助项目(No WK2070000009)
关键词 松果体素 甘氨酸受体 全细胞膜片钳技术 海马神经元 大鼠 甘氨酸 海马 melatonin glycine receptor whole-cell patch-clamp technique hippocampal neuron rat glycine hippocampus
  • 相关文献

参考文献2

二级参考文献20

  • 1Bonomi P. Novel approaches for the treatment of non-small cell lung cancer[J]. Semin Oncol,2001,28(4) :45 -9.
  • 2Sallinen P,Saarela S, Iives M, et al. The expression of MT1 and MT2 melatonin receptor mRNA in several rat tissues[ J]. Life Sci, 2005,76 (10) : 1123 - 34.
  • 3Williams L T, Mullikin D, Leflcowitz R J. Identification of α-adrenergic receptors in uterine smooth muscle membranes by 3H - dihydroergocryptine binding[ J]. Biol Chem, 1976,251 ( 22 ) :6915 -23.
  • 4Drew J E, Williams L M, Hananh L T, et al. Melatonin receptors in the human fetal kidney:2-[^125I] iodomelatonin binding sites correlated with expression of Mella and Mellb receptor genes [J]. Endocrinology, 1998,156 ( 2 ) : 261 - 7.
  • 5Ekmekcioglu C. Melatonin receptors in humans: biological role and clinical relevance [J]. Biomed Pharmacother, 2006,60 ( 3 ) : 97 -108.
  • 6Dimitroulis J, Stathopoulos G P. Evolution of non-small cell lung cancer chemotherapy [ J ]. Oncol Rep,2005,13 ( 5 ) : 923 - 30.
  • 7Poon A M, Choy E H, Pang S F. Modulation of blood glucose by melatonin : a direct action on melatonin receptors in mouse hepatocytes[ J]. Biol Signals Recept,2001,10(6) : 367 -79.
  • 8David E, Robert T D, Leonard A S, et al. Melatonin uptake and growth prevention in rat hepatoma 7288CTC in response to dietary melatonin :melatonin receptor-mediated inhibition of tumor linoleic acid metabolism to the growth signaling molecule 13-hydroxyoctadecadienoic acid and the potential role of phytomelatonin [ J ]. Carcinogenesis ,2004,25 (6) :951 - 60.
  • 9Schmidt C M, McKillop I H, Cahill P A, et al. The role of cAMP-MAPK signalling in the regulation of human hepatocellular carcinoma growth in vitro[ J]. Eur J Gastroenterol Hepatol, 1999, 11(12) :1393 -9.
  • 10Romero A,Egea J,García A G,López M G.Synergistic neuroprotective effect of combined low concentrations of galantamine and melatonin against oxidative stress in SH-SY5Y neuroblastoma cells[J].J Pineal Res,2010,49(2):141-8.

共引文献6

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部