对于过度活跃的膀在大脑中的治疗点:专注于血管激素II类型1受体
1Department of Pharmacology, Kochi Medical School, Kochi University, Kohasu, Okocho, Nankoku 783-8505, Japan.
Journal of pharmacological sciences
|August 28, 2023
概括
中枢 ангиотензин II (Ang II) 通过影响大脑,可以使过度活跃的膀症状恶化.
科学领域:
- 神经科学是一个神经科学.
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 药理学 药理学是指药理学的学科.
背景情况:
- 过度活性膀 (OAB) 显著影响生活质量,目前的治疗方法往往失败或引起副作用.
- 现有的OAB疗法包括抗胆固醇药物,β-3 adrenoceptor激动剂和肉毒毒素.
- ангиотензин II (Ang II) 和其类型 1 (AT1) 受体参与调节中枢神经系统内的排尿反射.
研究的目的:
- 研究中枢 ангиотензин II (Ang II) 在调节排尿反射中的作用.
- 探索向中央AT1受体的潜力,作为过度活性膀 (OAB) 的新疗法策略.
主要方法:
- 在一个临床前模型中,以低剂量给予累积的中央Ang II.
- 评估对收缩间隔,血压和血中甲醇胺水平的影响.
- 评估局部服用的AT1受体阻断剂特尔米沙坦对中央Ang II诱导效应的影响.
主要成果:
- 中央Ang II的使用缩短了收缩间隔,表明膀活动增强,但没有改变血压或甲基荷胺水平.
- 发现Ang II通过AT1受体通路抑制GABAergic神经系统来增强排尿反射.
- 端米沙坦的外周用药成功地抑制了中央Ang II诱导的排尿反射的促进.
结论:
- 中央神经管II在促进排尿反射方面发挥着重要作用,这表明过度活跃的膀病理生理学的新机制.
- 准中央AT1受体是一个有希望的治疗途径,用于管理过度活跃的膀.
- 这些发现突出了大脑的AT1受体作为OAB治疗的潜在治疗点.
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