通过综合生物信息学和机器学习识别的严重抑郁症的免疫相关生物标志物
Yu Zhang1,2, Ping Wu3, Zeng Nie4
1Hunan Provincial Hospital of Integrated Traditional Chinese and Western Medicine (The Affiliated Hospital of Hunan Academy of Traditional Chinese Medicine), Changsha, People's Republic of China.
European journal of psychotraumatology
|February 10, 2026
概括
研究人员确定了四种与免疫相关的基因 (DDIT4,DHRS9,FKBP5和GPER) 作为主要抑郁症 (MDD) 的潜在生物标志物. 这些基因具有很高的诊断准确性,为MDD的精确诊断和个性化治疗提供了新的途径.
科学领域:
- 神经科学是一个神经科学.
- 基因组学就是基因组学.
- 免疫学 免疫学 免疫学
背景情况:
- 重度抑郁症 (MDD) 是一个重大的全球健康挑战,缺乏客观的诊断生物标志物.
- 高通量转录组学和机器学习为MDD中的生物标志物发现提供了新的方法.
研究的目的:
- 确定可靠的,与免疫相关的生物标志物,用于早期和客观的MDD诊断.
- 研究免疫路径在MDD病理生理学中的作用.
- 建立MDD诊断和干预的翻译框架.
主要方法:
- 综合基因表达数据集和应用生物信息学分析,以确定MDD中的差异表达基因 (DEG).
- 利用LASSO和SVM-RFE机器学习算法进行强大的生物标志物候选选.
- 通过ROC分析验证诊断性能,并通过CIBERSORT和scRNA-seq.检查免疫细胞表达.
- 在慢性不可预测的轻度压力 (CUMS) 鼠标模型中实验验证的枢纽基因表达.
主要成果:
- 确定了122个DEGs,在免疫和炎症途径中显著丰富.
- 在机器学习模型中一致选择了四个枢纽基因 (DDIT4,DHRS9,FKBP5,GPER).
- 这些基因的诊断准确度很高 (AUC为0.82-0.91),主要表达在免疫细胞中.
- 在免疫细胞亚型和抑郁症临床前模型中证实了这些基因的上调.
结论:
- DDIT4,DHRS9,FKBP5和GPER被确定为MDD的有前途的免疫相关生物标志物.
- 这些发现为MDD的免疫机制提供了洞察力,并支持精确诊断.
- 这项研究为个性化MDD干预提供了经过验证的翻译框架.
相关概念视频
Depressive Disorders: Etiology
603
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
603
Depressive Disorders: MDD and Dysthymia
807
Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
807
Long-term Depression
33.3K
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
33.3K
Freezing Point Depression and Boiling Point Elevation
40.4K
Boiling Point Elevation
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
40.4K
Depressants
462
Depressant drugs, including alcohol and sedative-hypnotics, diminish central nervous system activity by enhancing the action of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces brain activity and promotes relaxation. These substances can have various therapeutic uses but also pose significant risks, especially when misused or combined.
Alcohol is a common depressant that can induce a sense of relaxation and reduced inhibition at low doses. Contrary to its occasional...
Alcohol is a common depressant that can induce a sense of relaxation and reduced inhibition at low doses. Contrary to its occasional...
462
Machines
581
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
A free-body diagram of the...
581


