Arecoline induces dual modulation of blood pressure in rat, including an initial downregulation and a subsequent upregulation

Arecoline induces dual modulation of blood pressure in rat, including an initial downregulation and a subsequent upregulation
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槟榔碱诱导大鼠血压的双重调节,包括最初的下调和随后的上调

DOI:
10.4314/tjpr.v19i8.11
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发表时间:
2020-11
影响因子:
0.6
通讯作者:
Changzheng Zhang
Changzheng Zhang
中科院分区:
医学4区
文献类型:
--
作者:
Jiashan Wu;Lijuan Chen;Meiping Deng;Xiaowen Ye;Xiaoxia Jiang;Jiangliu Fu;Peiling Zhou;Changzheng Zhang

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目的:确定槟榔碱在大鼠心血管调节中的作用。方法:将大鼠腹腔注射乌拉坦(1.4 g/kg体重)麻醉后,腹腔注射生理盐水或槟榔碱(剂量为1.0、3.0和10.0 mg/kg),用生理仪器连续记录血压(BP)。计算并分析平均动脉压(MAP)、MAP 的最大变化以及槟榔碱刺激引起的反应时间。结果:槟榔碱诱导血压双相调节,包括最初的下调,随后的上调。 MAP 和 MAP 的最大变化在下调阶段表现出浓度依赖性效应(每组内 p < 0.05),而 BP 反应时间在下调和上调阶段表现出剂量依赖性延长(每组内 p < 0.01)。值得注意的是,在每个槟榔碱组中,槟榔碱诱导的血压下调比上调更快、更剧烈。结论:这些结果表明槟榔碱在心血管调节中发挥着复杂的作用,在临床使用槟榔碱和/或习惯咀嚼槟榔时应将其视为副作用。
Purpose: To determine the role of arecoline in cardiovascular modulation in rats. Methods: After rats were anaesthetized with intraperitoneal urethane (1.4 g/kg body weight), saline or arecoline (at doses of 1.0, 3.0 and 10.0 mg/kg) was intraperitoneally administered, and blood pressure (BP) was continuously recorded using a physiological apparatus. Mean arterial pressure (MAP), maximum changes in MAP and reaction time due to arecoline stimulations were calculated and analyzed. Results: Arecoline induced biphasic modulation in BP, including an initial downregulation followed by a subsequent upregulation. The MAP and maximum change in MAP exhibited a concentration-dependent effect in the downregulation phase (p 0.05 within each group), while BP reaction time showed a dose-dependent prolongation in both downregulation and upregulation phases (ps < 0.01 within each group). Remarkably, arecoline-induced BP downregulation more rapidly and drastically than upregulation in each arecoline group. Conclusion: These results indicate that arecoline exerts a complex effect in cardiovascular modulation that should be considered as side effects in the clinical use of arecoline and/or with the habitual chewing of areca nuts.
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发表时间: 2020-06
影响因子: 2
作者:
N. Thakur;Amitesh Sharma;Harpreet Singh;R. Mehrotra
通讯作者: N. Thakur;Amitesh Sharma;Harpreet Singh;R. Mehrotra
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发表时间: 2016
影响因子: 2.5
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DOI: 10.1080/13556210120091473
发表时间: 2002-01-01
期刊: ADDICTION BIOLOGY
影响因子: 3.4
作者:
Chu, NS
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DOI: 10.1007/bf01250518
发表时间: 2005
期刊: Journal of Neural Transmission / General Section JNT
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作者:
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