ISSN 0439-755X
CN 11-1911/B
主办:中国心理学会
   中国科学院心理研究所
出版:科学出版社

心理学报 ›› 2025, Vol. 57 ›› Issue (12): 2116-2130.doi: 10.3724/SP.J.1041.2025.2116 cstr: 32110.14.2025.2116

• 研究报告 • 上一篇    下一篇

童年期虐待与青少年自伤行为:下丘脑-垂体-肾上腺轴多基因及抑郁的作用

伍越, 吕薇()   

  1. 陕西师范大学心理学院;陕西省儿童青少年心理与行为健康重点研究中心;陕西省行为与认知神经科学重点实验室, 西安 710062
  • 收稿日期:2024-04-05 发布日期:2025-09-28 出版日期:2025-12-25
  • 通讯作者: 吕薇, E-mail: lvwei@snnu.edu.cn
  • 基金资助:
    国家自然科学基金面上项目(32171066)

Childhood abuse and adolescent non-suicidal self-injury: The effects of hypothalamic-pituitary-adrenal axis multilocus genetic variation and depression

WU Yue, LÜ Wei()   

  1. School of Psychology, Shaanxi Normal University; Shaanxi Key Research Center for Children Mental and Behavioral Health; Shaanxi Key Laboratory of Behavior and Cognitive Neuroscience, Xi’an 710062, China
  • Received:2024-04-05 Online:2025-09-28 Published:2025-12-25

摘要: 童年期虐待与青少年自伤行为密切相关, 但仍缺乏研究从“基因×环境-内表型-行为表型”理论视角探究其内在机制。本研究基于多基因累加得分研究范式, 采用问卷法和DNA分型技术, 在两个独立样本(主样本包含407名青少年, Mage = 12.77 ± 0.74岁; 验证样本包含109名青少年, Mage = 12.54 ± 0.60岁)中探讨童年期虐待与青少年自伤行为的关系, 并考察下丘脑-垂体-肾上腺轴(HPA轴)多基因累加得分的调节作用, 以及抑郁的中介作用。结果发现:(1)童年期虐待与青少年自伤行为正相关; (2) HPA轴多基因累加得分与童年期虐待的交互作用不直接影响青少年自伤行为, 而是通过抑郁间接影响青少年自伤行为, 具体而言, 和HPA轴多基因累加得分较低的青少年相比, HPA轴多基因累加得分高的青少年在经历童年期虐待后有更高的抑郁水平, 从而增加了其自伤行为的风险。研究结果在另一个独立样本中得到了重复验证。研究结果有利于从早期环境、遗传基因及个体内表型多角度深入揭示青少年自伤行为的形成机制, 并为青少年自伤的干预提供了方向。

关键词: 童年期虐待, 自伤, 抑郁, 下丘脑-垂体-肾上腺轴, 多基因累加得分

Abstract:

Exposure to childhood abuse increases the risk of non-suicidal self-injury among adolescents. However, the underlying mechanism remains unclear. Based on the theoretical perspective of gene × environment- endophenotype-behavioral phenotype, hypothalamic-pituitary-adrenal (HPA) axis genetic variation as an indicator of individual diathesis or susceptibility has been shown to interact with childhood trauma to affect adolescent non-suicidal self-injury. Additionally, depression as a potential endophenotype for non-suicidal self-injury can be considered a pathway through which childhood abuse and HPA axis genetic variation interactively affect adolescent non-suicidal self-injury. Accordingly, the present study sought to investigate the moderating role of multilocus genetic profile score (MGPS) of the HPA axis and the mediating role of depression in the association between childhood abuse and adolescent non-suicidal self-injury.
The present study included two independent samples (the main sample included 407 adolescents, Mage = 12.77, SD = 0.74; another retest sample included 109 adolescents, Mage = 12.54, SD = 0.60). Scales including the Childhood Trauma Questionnaire-Short Form, Center for Epidemiological Studies-Depression Scale, and Non-suicidal Self-injury Scale derived from the Revised Diagnostic Interview for Borderlines were administered to adolescents. Their saliva samples were collected for DNA genotyping to obtain the polymorphisms of CRHR1 rs110402, FKBP5 rs1360780, rs4713902, NR3C1 rs41423247, and COMT rs4680. The HPA axis MGPS was calculated according to the number of at-risk or susceptible genotypes carried, with higher levels representing higher genetic risk or susceptibility.
Results showed that childhood abuse was positively associated with adolescent non-suicidal self-injury. In addition, although childhood abuse and HPA axis MGPS had no direct interactive effect on adolescent non-suicidal self-injury, they indirectly interactively affect adolescent non-suicidal self-injury via depression. Specifically, compared with adolescents with low HPA axis MGPS, those with high HPA axis MGPS showed a stronger positive association between childhood abuse and depression, which increased the risks of non-suicidal self-injury. Similar results were obtained in the retest sample, with a positive relation between childhood abuse and depression only observed among adolescents with high HPA axis MGPS who have increased risks of non-suicidal self-injury. The re-parameterized regression model tests in both samples suggested that the pattern of interaction between childhood abuse and HPA axis MGPS supported the diathesis-stress model.
Findings of the present study supported the theoretical perspective of gene × environment-endophenotype- behavioral phenotype, by suggesting that childhood abuse interacts with the HPA axis genetic variants to affect non-suicidal self-injury via depression among adolescents. These findings shed light on the underlying mechanism linking childhood abuse with adolescent non-suicidal self-injury.

Key words: childhood abuse, non-suicidal self-injury, depression, hypothalamic-pituitary-adrenal axis, multilocus genetic profile score

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