针对精神分裂症中被破坏的网络:肌肉类药物可以产生根本性的差异吗?
Judith A Pratt1, Brian J Morris2
1Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, Glasgow, UK.
针对肌肉酸乙胆受体 (mAChRs) 的新型精神分裂症治疗方法显示出积极,消极和认知症状的前景. 将mAChR药物与5-HT受体调节结合起来,可能会带来更广泛的治疗益处.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 对于精神分裂症而言,现有的抗精神病药主要针对积极症状,使认知和负面症状得到治疗.
- 最近批准Karuna Therapeutics的xanomeline-trospium (KarXT) 标志着向向肌酸乙胆受体 (mAChRs) 而不是多巴胺受体的转变.
研究的目的:
- 探索针对mAChRs的潜力,以改善精神分裂症的积极,消极和认知症状.
- 检查xanomeline的药理特征,特别是其作为M1和M4mAChR部分激动剂的作用.
- 调查与克洛扎的机制的潜在重叠以及血清素 (5-HT) 受体在治疗疗效中的作用.
主要方法:
- 审查关于xanomeline作用机制的现有文献.
- 对与5-HT1A,5-HT2A和5-HT7受体的药理相互作用的分析.
- 肌肉蛋白受体功能与研究领域标准 (RDoC) 框架的整合.
主要成果:
- 赞诺梅林主要作为M1和M4mAChR部分激动剂.
- 肌肉蛋白受体亚型影响精神分裂症相关的关键大脑网络,包括皮质-状-甲状腺-皮质循环.
- 建议针对mAChRs来改善RDoC定义的领域,如感觉运动,积极价值,社会过程,兴奋和认知.
结论:
- 神经生物学证据支持mAChR向剂的潜力,可以改善精神分裂症的积极,消极和认知症状.
- 每个mAChR亚型 (M1-M5) 的确切贡献需要进一步阐明.
- 一种多向的方法,可能将mAChR药物与5-HT1A和5-HT7受体调节结合起来,可能会提供超越精神分裂症的跨诊断治疗益处.
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