國家衛生研究院 NHRI:Item 3990099045/10248
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/10248


    Title: Identification of consensus biomarkers for predicting non-genotoxic hepatocarcinogens
    Authors: Huang, SH;Tung, CW
    Contributors: National Institute of Environmental Health Sciences
    Abstract: The assessment of non-genotoxic hepatocarcinogens (NGHCs) is currently relying on two-year rodent bioassays. Toxicogenomics biomarkers provide a potential alternative method for the prioritization of NGHCs that could be useful for risk assessment. However, previous studies using inconsistently classified chemicals as the training set and a single microarray dataset concluded no consensus biomarkers. In this study, 4 consensus biomarkers of A2m, Ca3, Cxcl1, and Cyp8b1 were identified from four large-scale microarray datasets of the one-day single maximum tolerated dose and a large set of chemicals without inconsistent classifications. Machine learning techniques were subsequently applied to develop prediction models for NGHCs. The final bagging decision tree models were constructed with an average AUC performance of 0.803 for an independent test. A set of 16 chemicals with controversial classifications were reclassified according to the consensus biomarkers. The developed prediction models and identified consensus biomarkers are expected to be potential alternative methods for prioritization of NGHCs for further experimental validation.
    Date: 2017-01-24
    Relation: Scientific Reports. 2017 Jan 24;7:Article number 41176.
    Link to: http://dx.doi.org/10.1038/srep41176
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2045-2322&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000392479000001
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85010297253
    Appears in Collections:[Chun-Wei Tung] Periodical Articles

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