在女性中,PACAP与精确的PTSD和恐惧灭绝反应有关
Shane W Adams1, Thomas C Neylan2, Victor May3
1Department of Neurosurgery, Stanford University School of Medicine, Palo Alto, CA, USA; Polytrauma System of Care, VA Palo Alto Health Care System, Palo Alto, CA, USA; VA San Francisco Medical Center, San Francisco, CA, USA.
Psychoneuroendocrinology
|February 1, 2025
概括
pituitary adenylate cyclase-activating polypeptide (PACAP38) 可能是创伤后应激障碍 (PTSD) 和恐惧灭绝障碍的性别特异标记,特别是在女性中. 较高的PACAP38水平与特定的PTSD症状和减少恐惧灭绝保留有关.
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.
- 遗传学 是一个遗传学.
背景情况:
- 创伤后应激障碍 (PTSD) 呈现出异质的行为,生物和生理反应,具有显著的性别差异.
- pituitary adenylate cyclase-activating polypeptide (PACAP38) 已经成为女性PTSD和恐惧调节缺陷的潜在性别特异标记物.
研究的目的:
- 研究PACAP38与人类恐惧灭绝保留之间的关联.
- 探索PACAP38之间关系,PTSD症状,以及潜在的临床应用的恐惧灭绝机制.
主要方法:
- 评估了123名参与者的队列,包括女性,患有下值PTSD的个人,退伍军人和有色人种.
- 关键指标包括PTSD症状严重程度 (CAPS-IV),血清PACAP38水平,以及在恐惧调节期间的皮肤导电反应.
- 隐性类分析 (中外方法) 集成行为,生物和生理数据以识别不同的临床表型.
主要成果:
- 一个不同的子组 (13.8%),主要是女性,表现出超过两倍的外围PACAP38水平.
- 这个子组表现出一种独特的侵入性-超警性PTSD症状模式和受损的恐惧灭绝保留.
- 在PACAP38水平,PTSD症状集群和恐惧灭绝保留之间发现了显著的关联.
结论:
- 周围的PACAP38水平与独特的PTSD现型密切相关,其特点是侵入性超警症状和恐惧灭绝障碍.
- 结果表明PACAP38是针对性临床评估和PTSD干预策略的潜在生物标志物.
- 需要进一步的研究来阐明PACAP38在PTSD病理生理学和治疗反应中的确切作用.
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