社会逆境,微RNA表达和创伤后压力之间的关系在未来的,基于社区的队列中
Chengqi Wang1,2, Monica Uddin1, Agaz Wani1
1Department of Global, Environmental, and Genomic Health Sciences, College of Public Health, University of South Florida, Tampa, FL USA.
Nature. Mental health
|March 13, 2026
概括
社会逆境和创伤性压力影响微RNA (miRNA) 表达,可能影响创伤后应激障碍 (PTSD) 症状严重程度. 这项研究确定了与这些逆境和PTSD相关的特定miRNA.
科学领域:
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 分子精神病学分子精神病学
- 神经免疫学 神经免疫学
背景情况:
- 表观遗传过程调解对社会和环境挑战的反应,影响生物结果.
- 了解与社会逆境和创伤相关的表观遗传因素对于阐明脆弱性和弹性机制至关重要.
研究的目的:
- 在社会逆境的背景下调查微RNA (miRNA) 表达和创伤后应激障碍 (PTSD) 症状严重程度之间的关联.
- 为了确定涉及社会逆境和创伤性压力之间的相互作用的特定miRNAs.
主要方法:
- 分析了来自底特律社区健康研究的纵向数据,这是一组非洲裔美国人的前性队列.
- 评估了来自389名 (第二波) 和243名 (第四波) 参与者的血源RNA样本.
- 对483名参与者收集了社会逆境数据 (财务困难,感知歧视,累积创伤).
主要成果:
- 发现86个miRNA与社会逆境和PTSD症状严重程度有关.
- 这些关联的miRNAs主要涉及免疫反应,神经功能,细胞循环和分化.
- 这些miRNA的很大一部分 (23%) 之前与PTSD相关的疾病,如创伤性脑损伤和应激反应有关.
结论:
- 微RNA表达与社会逆境和创伤性压力的累积影响有关.
- 这些发现突显了miRNAs在调解创伤脆弱性和弹性方面的表观遗传作用.
- 这项研究为对逆境的反应中PTSD发展背后的分子机制提供了新的见解.
相关概念视频
Introduction to Stress and Lifestyle
741
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
741
Post-traumatic Stress Disorder
781
Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
781
Stress and Mental Health
1.1K
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
1.1K
Social Anxiety Disorder
692
Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.
692
Psychological and Sociocultural Causes of Schizophrenia
768
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
768
Psychoneuroimmunology: Cardiovascular Disease
647
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
647


