J Cancer:苏州大学教授构建出可准确预测白血病的网络生物标志物

2017-03-02 MedSci MedSci原创

网络生物标志物相比于单个标志物可以更加有效的区分白血病的疾病样本和正常样本。网络生物标志物提供了诊断白血病的有效方法,也有助于进一步了解白血病的分子基础。

白血病是发达国家癌症死亡的主要原因。国内外一直努力寻找用于白血病诊断的分子生物标志物,但由于白血病的异质性和复杂性,它的发生发展涉及多个分子组分之间的相互作用。因此,目前普遍使用的单个分子标志物具有一定的局限性。网络生物标志物被认为在疾病表征中优于个体分子。


日前来自苏州大学系统生物学研究中心的学者发表论文于Journal of Cancer,名为基于基因表达和蛋白之间相互作用的数据,构建网络生物标志物可准确预测白血病。

该研究整合蛋白质相互作用网络和基因表达数据,在系统层面上对白血病的关键基因进行模块化分析,构建可以为诊断白血病提供依据的网络生物标志物。首先,我们选择蛋白质相互作用网络数据库 PINA 和数据库 GeneGo中白血病相关基因,重建白血病特异性蛋白质相互作用网络。接下来,进一步整合基因表达数据 以识别具有白血病相关性的活性模块。最后,评估候选网络生物标志物的诊断性能。最终得到一个包含97个基因和400条映射关系的网络用于准确诊断白血病。功能富集分析结果显示,该网络标志物中的基因主要富集在白血病等癌症相关通路上。

网络生物标志物相比于单个标志物可以更加有效的区分白血病的疾病样本和正常样本。网络生物标志物提供了诊断白血病的有效方法,也有助于进一步了解白血病的分子基础。

原始出处:Xuye Yuan, Jiajia Chen, Yuxin Lin,et al.Network Biomarkers Constructed from Gene Expression and Protein-Protein Interaction Data for Accurate Prediction of Leukemia.J Cancer 2017; 8(2):278-286. doi:10.7150/jca.17302

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    2018-01-20 hukaixun
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    2017-03-03 鹧鸪天猫

    早诊断,早治疗

    0

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