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Protein c-fos induction in rat brain and spinal dorsal horn by sincalide and opioids in vitro

  
@article{APS6443,
	author = {Su-zhen Chen and Ji-sheng Han},
	title = {Protein c-fos induction in rat brain and spinal dorsal horn by sincalide and opioids in vitro},
	journal = {Acta Pharmacologica Sinica},
	volume = {15},
	number = {5},
	year = {2016},
	keywords = {},
	abstract = {Sincalide (CCK-8) is an antiopioid substance. In this study, we investigated the effects of sincalide and opioids on c-fos expression and their interaction in brain and spinal dorsal horn in vitro. Immunoprecipitation was used for detection of c-fos protein. The results indicated that 0.1 mumol.L-1 sincalide induced c-fos expression markedly in both brain (a 3.8-fold increase in c-fos protein level) and in spinal dorsal horn (a 3.6-fold increase). NDAP (a kappa receptor agonist) 0.1 mumol.L-1 showed some activating effects on c-fos expression, the c-fos protein level increased 2.7 and 2.6 times respectively in brain and spinal dorsal horn. Ohmefentanyl (Ohm, a mu receptor agonist) 0.1 mumol.L-1 also exhibited an inducing effect on c-fos protein production. Sincalide and NDAP exerted some additive effects on c-fos protein production in spinal cord. In contrast, the effect of sincalide on c-fos protein production is antagonistic to that of Ohm. The results suggested that there were changing patterns of interaction on c-fos expression between sincalide and opioids.},
	issn = {1745-7254},	url = {http://www.chinaphar.com/article/view/6443}
}