神经遗传和多原子来源的重叠在寻找感觉,酒精消费和酒精使用障碍之间的重叠
1Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri, USA.
Addiction biology
|February 21, 2024
概括
寻找感觉和饮酒的共同遗传根源,影响酒精使用障碍 (AUD) 的风险. 酒精摄入量似乎调解了寻求感觉和AUD之间的联系,突出了共享的神经遗传通路.
科学领域:
- 神经遗传学 神经遗传学
- 精神病学是一个精神病学.
- 行为科学 行为科学
背景情况:
- 寻找感觉与酒精消费和酒精使用障碍 (AUD) 有关.
- 共同的遗传和神经生物学因素可能是这些关联的基础.
- 感觉寻找和AUD之间的关系可能是由酒精消费水平调解的.
研究的目的:
- 为了研究寻找感觉,饮酒和AUD的共享神经遗传架构.
- 检查酒精消费在寻找感觉和AUD之间的关联中扮演的调解角色.
- 确定特定的大脑区域和导致这些特征重叠的遗传因素.
主要方法:
- 利用全基因组关联研究 (GWAS) 总结统计和基因组结构方程建模 (GenomicSEM).
- 对感觉寻找,酒精消费和AUD进行了元分析和多变量GWAS.
- 采用了下游分析,包括分层的 GenomicSEM,交叉特征分析和基于基因的方法 (H-MAGMA, LAVA).
主要成果:
- 在寻找感觉和饮酒之间确认了共享的神经遗传架构,中脑和条纹组织的丰富以及与皮层表面积相关的变体.
- 确定了与降低前皮层厚度相关的变体相关的酒精消费和AUD的重叠遗传影响.
- 遗传调解模型表明,酒精消费调解了寻求感觉和AUD之间的关系.
结论:
- 寻找感觉,饮酒和AUD共享重要的神经遗传基础.
- 酒精消费在从感觉寻求到AUD的途径中起着调解作用.
- 研究结果阐明了与酒精有关的疾病中遗传,神经生物学和行为因素的复杂相互作用.
相关概念视频
01:28Human Genetics
569
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
569
01:27CNS Depressants: Alcohol and Nicotine
209
Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
209
01:15Drug Abuse and Addiction: Pharmacological Phenomena
476
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
476
01:24Substance Use Disorders Affecting Sleep
167
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Understanding the concepts of physical dependence,...
167
01:23Behavioral Genetics and Its Designs
366
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
366
01:20Taste Buds and Receptors
2.0K
Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
2.0K