Changes in the Blood Transcriptome Highlights Disturbed Peripheral Biochemical Homeostasis in Bipolar Disorder.

IF 4.5 2区 医学 Q1 CLINICAL NEUROLOGY
Brian Dean, Elizabeth Scarr, Susan L Rossell, Tamsyn E Van Rheenen
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引用次数: 0

Abstract

Objectives: Studies have reported changes in the transcriptome in the brain and blood from people with bipolar disorders (BD). We completed this study to test the hypothesis that there would be changes in the blood transcriptome that would mirror cortical changes in RNA levels in BD.

Methods: Levels of RNA were measured in blood from 19 people with BD and 19 controls using Affymetrix Human Exon 1.0 ST Arrays. Significant differences in levels of RNA with diagnosis were identified using JMP Genomics 9.0, and the potential biological impact of changes in RNA was investigated using the Panther Classification System.

Results: Levels of RNA for 19,473 coding and non-coding RNAs were detected. Compared to controls, there were changes in levels of 98 (65 with higher levels than controls) coding and non-coding RNAs at the criteria of fold ≥ ±20% and p < 0.05 in BD. The changes in levels of RNA were predicted to impact toll-like receptor function and Wnt signalling, response to virus, cell-cell signalling, and protein metabolic processing as well as post-synaptic organisation, dendritic spine morphogenesis, and pattern recognition receptor signalling pathways. Four of the RNAs found to be altered in blood in this study were also found to be altered in our previous study of the cortical transcriptome using tissue of people with BD.

Conclusions: This, and other studies, suggest changes in the blood transcriptome are affecting peripheral biochemical homeostasis in BD and some of the changes are present in the cortex of those with the disorder. Therefore, it could be possible that changes in the blood transcriptome in people with BD could contain diagnostic or theranostic markers for the disorder.

双相情感障碍患者外周血生化稳态紊乱的血液转录组变化
研究报告了双相情感障碍(BD)患者大脑和血液中转录组的变化。我们完成了这项研究,以验证血液转录组的变化可以反映BD患者皮质RNA水平变化的假设。方法:使用Affymetrix Human Exon 1.0 ST阵列测量了19名BD患者和19名对照者血液中的RNA水平。使用JMP Genomics 9.0识别诊断中RNA水平的显著差异,并使用Panther分类系统研究RNA变化的潜在生物学影响。结果:检测到19473种编码和非编码RNA的RNA水平。与对照组相比,在fold≥±20%和p的标准下,有98种编码和非编码rna的水平发生了变化(65种编码和非编码rna的水平高于对照组)。结论:这一研究和其他研究表明,血液转录组的变化影响了BD患者的外周生化稳态,其中一些变化存在于患者的皮层。因此,双相障碍患者血液转录组的变化可能包含该疾病的诊断或治疗标记物。
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来源期刊
Bipolar Disorders
Bipolar Disorders 医学-精神病学
CiteScore
8.20
自引率
7.40%
发文量
90
审稿时长
6-12 weeks
期刊介绍: Bipolar Disorders is an international journal that publishes all research of relevance for the basic mechanisms, clinical aspects, or treatment of bipolar disorders and related illnesses. It intends to provide a single international outlet for new research in this area and covers research in the following areas: biochemistry physiology neuropsychopharmacology neuroanatomy neuropathology genetics brain imaging epidemiology phenomenology clinical aspects and therapeutics of bipolar disorders Bipolar Disorders also contains papers that form the development of new therapeutic strategies for these disorders as well as papers on the topics of schizoaffective disorders, and depressive disorders as these can be cyclic disorders with areas of overlap with bipolar disorders. The journal will consider for publication submissions within the domain of: Perspectives, Research Articles, Correspondence, Clinical Corner, and Reflections. Within these there are a number of types of articles: invited editorials, debates, review articles, original articles, commentaries, letters to the editors, clinical conundrums, clinical curiosities, clinical care, and musings.
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