›› 2016, Vol. 43 ›› Issue (4): 862-869.doi: 10.16431/j.cnki.1671-7236.2016.04.003

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Study on the Critical Pathways of Dairy Cow Mastitis Based on Microarray Dataset and Integration Analysis

ZHAO Jing1,2, CHEN Zhen-liang1,2, WANG Zhen1,2, ZHANG Zhe1,2, XIAO Qian1,2, GUAN Yu-yu1,2, SUN Hao1,2, LIU Guang-lei3,4, ZHANG Xiang-zhe1,2, PAN Yu-chun1,2, LIAO Rong-rong1,5, WANG Qi-shan1,2   

  1. 1. School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai 200240, China;
    2. Shanghai Key Laboratory of Veterinary Biotechnology, Shanghai 200240, China;
    3. Shanghai Bright Holstein Co., Ltd., Shanghai 200246, China;
    4. Shanghai Dairy Cattle Breeding Center Co., Ltd., Shanghai 200246, China;
    5. Animal Husbandry and Veterinanry Institute, Shanghai Academy of Agricultural Sciences, Shanghai 200246, China
  • Received:2015-09-21 Online:2016-04-20 Published:2016-04-27

Abstract: Dairy cow mastitis was one of the common diseases and frequently-occurring diseases, caused huge economic losses, and also severely restricted the development of dairy industry.To further understand the regulation mechanism of mastitis, published five sets of related microarray data sets of cow mammary epithelial cells infected by Escherichia coli were collected, preprocessed with the standardized method, and integrat the result of gene set enrichment analysis with the infection time of 1, 6 and 24 h, so as to get more reliable key genes and pathways which could affect dairy cow mastitis.We find 9 down-regulated pathways common in the infected 1 h data sets, 30 down-regulated pathways common in the infected 6 h data sets, 17 down-regulated pathways common in the infected 24 h data sets.After analysis, we identified a number of dairy cow mastitis related pathways and genes, which would provide a reference for further study of regulation mechanisms.

Key words: dairy cow; mastitis; gene set enrichment analysis; pathway

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