Comparison of peripheral and central schizophrenia biomarker profiles.

Comparison of peripheral and central schizophrenia biomarker profiles.
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DOI:
10.1371/journal.pone.0046368
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Bahn S
Bahn S
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Harris LW;Pietsch S;Cheng TM;Schwarz E;Guest PC;Bahn S

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我们最近发现,在首发精神分裂症患者的血清中存在一种由炎症因子、激素因子和生长因子组成的分子生物标志物。在这里,我们使用相同的平台来研究精神分裂症患者的死后脑组织(Brodmann 10区),这些患者主要是慢性病患者和药物治疗患者。21种分析物在死后脑组织中差异表达。与我们以前在另一个额叶皮质区相同患者样本的mRNA谱研究相比,这些分子中有9个也在转录水平上发生了改变。此外,与对照组相比,9种分子在首次发作的精神分裂症患者的血清中也发生了变化。我们提出了一个模型,在该模型中,大脑和外周协调通过激素和其他调节分子释放到血液中,通过弥漫性神经内分泌系统。这些发现为精神分裂症的系统性提供了进一步的证据,并为精神分裂症可以通过基于血液的生物标志物研究的概念提供了额外的有效性。
We have recently shown that a molecular biomarker signature comprised of inflammatory, hormonal and growth factors occurs in the blood serum from first onset schizophrenia patients. Here, we use the same platform to investigate post mortem brain tissue (Brodmann area 10) from schizophrenia patients who were mainly chronically ill and drug treated. Twenty-one analytes are differentially expressed in post-mortem brain tissue. Comparison with our previous mRNA profiling studies of the same patient samples in another frontal cortical area showed that 9 of these molecules were also altered at the transcriptional level. Furthermore, 9 of the molecules were also altered in serum from living first onset schizophrenia patients compared to controls. We propose a model in which the brain and periphery are coordinated through hormones and other regulatory molecules released into the blood via the diffuse neuroendocrine system. These findings provide further evidence for the systemic nature of schizophrenia and give added validity to the concept that schizophrenia can be investigated through studies of blood-based biomarkers.
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