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Effects of m-nisoldipine on anoxia-potentiated histamine and acetylcholine-induced contractions of the porcine isolated coronary artery

  
@article{APS5775,
	author = {Xiao-ping YANG and Shao-xuan FU and Yun-shan LI},
	title = {Effects of m-nisoldipine on anoxia-potentiated histamine and acetylcholine-induced contractions of the porcine isolated coronary artery},
	journal = {Acta Pharmacologica Sinica},
	volume = {11},
	number = {6},
	year = {2016},
	keywords = {},
	abstract = {Anoxia (95% N2 + 5% CO2) potentiated the contractile response to KCl 20 mmol/L, histamine (His) 5 mumol/L and acetylcholine (ACh) 0.5 mumol/L in isolated porcine coronary arterial rings. Calcium antagonists m-nisoldipine (m-Nis) and nisoldipine (Nis) 0.4-250 nmol/L produced a concentration-dependent decrease in both KCl, His and anoxia-potentiated KCl2 His or ACh-induced contractions. Chlorpheniramine 10 mumol/L but not cimetidine 10 mumol/L and atropine 10 mumol/L abolished contractions induced by His and ACh respectively. All 3 agents did not affect KCl response and the anoxia facilitation. Indomethacin 10 mumol/L markedly attenuated the further increase in tension by anoxia but failed to inhibit the response by these vasoconstrictors.},
	issn = {1745-7254},	url = {http://www.chinaphar.com/article/view/5775}
}