Expression profile based gene clusters for ischemic stroke detection.

Expression profile based gene clusters for ischemic stroke detection.
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DOI:
10.1016/j.ygeno.2014.08.004
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发表时间:
2014-09
期刊:
影响因子:
4.4
通讯作者:
Baird, Alison E.
Baird, Alison E.
中科院分区:
生物学3区
文献类型:
--
作者:
Adamski, Mateusz G.;Li, Yan;Wagner, Erin;Yu, Hua;Seales-Bailey, Chloe;Soper, Steven A.;Murphy, Michael;Baird, Alison E.

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在微阵列研究中,循环白细胞基因表达的改变已显示出缺血性中风诊断的效用。我们研究了在三个基因表达谱中鉴定的40个候选标记物,以(1)定量个体转录物表达,(2)鉴定转录物簇,(3)评估鉴定为缺血性卒中检测的簇的临床诊断效用。通过高通量下一代qPCR, 40个转录本中有16个在脑卒中患者中相对于对照组显著上调(p<0.05)。6组转录本在5 - 7之间,区分了卒中和对照组(p值在1.01e-9和0.03之间)。包含PLBD1、PYGL、BST1、DUSP1、FOS、VCAN和FCGR1A的7个转录本簇显示出较高的脑卒中分类准确率(AUC=0.854)。这些结果验证并改进了在微阵列研究中鉴定的转录本对缺血性中风的诊断价值。所确定的簇显示出对急性缺血性中风检测的希望。
In microarray studies alterations in gene expression in circulating leukocytes have shown utility for ischemic stroke diagnosis. We studied forty candidate markers identified in three gene expression profiles to (1) quantitate individual transcript expression, (2) identify transcript clusters and (3) assess the clinical diagnostic utility of the clusters identified for ischemic stroke detection. Using high throughput next generation qPCR 16 of the 40 transcripts were significantly up-regulated in stroke patients relative to control subjects (p<0.05). Six clusters of between 5 and 7 transcripts discriminated between stroke and control (p values between 1.01e-9 and 0.03). A 7 transcript cluster containing PLBD1, PYGL, BST1, DUSP1, FOS, VCAN and FCGR1A showed high accuracy for stroke classification (AUC=0.854). These results validate and improve upon the diagnostic value of transcripts identified in microarray studies for ischemic stroke. The clusters identified show promise for acute ischemic stroke detection.
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