Brain overlapping system-level architecture influenced by external magnetic stimulation and internal gene expression in AD-spectrum patients

IF 9.6 1区 医学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Weina Yao, Xinle Hou, Wenao Zheng, Xian Shi, JunJian Zhang, Feng Bai
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Abstract

The brain overlapping system-level architecture is associated with functional information integration in the multiple roles of the same region, and it has been developed as an underlying novel biomarker of brain disease and may characterise the indicators for the treatment of Alzheimer’s disease (AD). However, it remains uncertain whether these changes are influenced by external magnetic stimulation and internal gene expression. A total of 73 AD-spectrum patients (52 with true stimulation and 21 with sham stimulation) were underwent four-week neuronavigated transcranial magnetic stimulation (rTMS). Shannon-entropy diversity coefficient analysis was used to explore the brain overlapping system of the neuroimaging data in these pre- and posttreatment patients. Transcription-neuroimaging association analysis was further performed via gene expression data from the Allen Human Brain Atlas. Compared with the rTMS_sham stimulation group, the rTMS_true stimulation group achieved the goal of cognitive improvement through the reconstruction of functional information integration in the multiple roles of 27 regions associated with the brain overlapping system, involving the attentional network, sensorimotor network, default mode network and limbic network. Furthermore, these overlapping regions were closely linked to gene expression on cellular homeostasis and immune inflammation, and support vector regression analysis revealed that the baseline diversity coefficients of the attentional and sensorimotor networks can effectively predict memory improvement after rTMS treatment. These findings highlight the brain overlapping system associated with cognitive improvement, and provide the first evidence that external magnetic stimulation and internal gene expression could influence these overlapping regions in AD-spectrum patients.

Abstract Image

外磁刺激对ad谱患者脑重叠系统级结构及内部基因表达的影响
大脑重叠的系统级结构与同一区域中多个角色的功能信息整合有关,它已被开发为一种潜在的新的脑疾病生物标志物,并可能表征阿尔茨海默病(AD)治疗的指标。然而,这些变化是否受到外部磁刺激和内部基因表达的影响仍不确定。73例ad谱患者(52例为真刺激,21例为假刺激)接受了为期四周的神经导航经颅磁刺激(rTMS)。采用shannon -熵多样性系数分析探讨治疗前后患者神经影像学数据的脑重叠系统。通过Allen人脑图谱的基因表达数据进一步进行转录-神经影像学关联分析。与rTMS_sham刺激组相比,rTMS_true刺激组通过在涉及注意网络、感觉运动网络、默认模式网络和边缘网络等与大脑重叠系统相关的27个区域的多角色中重建功能性信息整合,达到认知改善的目的。此外,这些重叠区域与细胞稳态和免疫炎症的基因表达密切相关,支持向量回归分析显示,注意和感觉运动网络的基线多样性系数可以有效预测rTMS治疗后的记忆改善。这些发现强调了与认知改善相关的大脑重叠系统,并首次提供了外部磁刺激和内部基因表达可以影响ad谱系患者这些重叠区域的证据。
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来源期刊
Molecular Psychiatry
Molecular Psychiatry 医学-精神病学
CiteScore
20.50
自引率
4.50%
发文量
459
审稿时长
4-8 weeks
期刊介绍: Molecular Psychiatry focuses on publishing research that aims to uncover the biological mechanisms behind psychiatric disorders and their treatment. The journal emphasizes studies that bridge pre-clinical and clinical research, covering cellular, molecular, integrative, clinical, imaging, and psychopharmacology levels.
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