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Benztropine

苯扎托品
Mechanism of action:
Benztropine 是一種抗膽鹼(anticholinergic)劑,同時具有抗組織胺 H1 與輕度的多巴胺回收的抑制作用。Benztropine 為 M1 中樞性毒蕈鹼型乙醯膽鹼受體(muscarinic acetylcholine receptor)的拮抗劑,當阻斷 M1 受體後,能抑制乙醯膽鹼過度興奮,調節乙醯膽鹼與多巴胺之間的平衡,影響震顫與肌張力異常相關的神經路徑。此外,benztropine 可輕微抑制多巴胺轉運體(dopamine transporter),減少多巴胺的回收,增加突觸間多巴胺濃度,影響帕金森病相關症狀的神經傳導。
Reference(s):
1. Rothman RB et al. (2008). Dopamine transport inhibitors based on GBR12909 and benztropine as potential medications to treat cocaine addiction. Biochem Pharmacol.
2. Reith ME et al. (2015). Behavioral, biological, and chemical perspectives on atypical agents targeting the dopamine transporter. Drug Alcohol Depend.
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