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Effect of N-n-butyl haloperidol iodide on potassium channel in smooth muscle cells and rings of rat aorta / 中国药理学通报
Chinese Pharmacological Bulletin ; (12)1986.
Article in Chinese | WPRIM | ID: wpr-677534
ABSTRACT
AIM To investigate the effect of N n butyl haloperidol iodide (F 2) on potassium currents in enzymatically isolated vascular smooth muscle cells (VSMC) from thoracic aortas and the effect of F 2 on aortic rings of rat. METHODS The whole cell patch clamp technique and the contraction of rats thoracic aortic rings were used in experiments. RESULTS The outward currents were observed when holding potential was -40 mV and the cell was depolarized from -30 mV to +100 mV (in 10 mV increase) for 400 ms. At the point of the test potential of +70 mV, solutions of F 2 (0 1,1, 5 ?mol?L -1 ) were added into bath (external) solution, which led to the increase of the outward currents from (229?28)pA,(226?57)pA and(228?42) pA to (354?29) pA ( n =6, P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 1986 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 1986 Type: Article