J Cancer 2015; 6(10):930-937. doi:10.7150/jca.12284 This issue

Research Paper

Transcriptomic and Functional Pathway Analysis of Human Cervical Carcinoma Cancer Cells Response to Microtubule Inhibitor

Jin Wang1,2, ✉, Bin Yan3, Song-Mei Liu4, Huanhuan Sun5, Yonglong Pan3, Daogang Guan6, Xiaoyan Zhang1, Jianqing Xu1, Haiqing Ma5,✉

1. Scientific Research Center, Shanghai Public Health Clinical Center, 2901 Caolang Road, Jinshan District, Shanghai 201508, China
2. Department of Translational Molecular Pathology, The University of Texas, M.D. Anderson Cancer Center, Houston, TX 77030, USA
3. Laboratory for Food Safety and Environmental Technology, Institutes of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
4. Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China
5. Department of Oncology, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong 519000, China
6. Department of Biology, Hong Kong Baptist University, Hong Kong, China

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Wang J, Yan B, Liu SM, Sun H, Pan Y, Guan D, Zhang X, Xu J, Ma H. Transcriptomic and Functional Pathway Analysis of Human Cervical Carcinoma Cancer Cells Response to Microtubule Inhibitor. J Cancer 2015; 6(10):930-937. doi:10.7150/jca.12284. Available from https://www.jcancer.org/v06p0930.htm

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Background: There clearly is a need for effective chemotherapy for early-stage, high-risk patients with human cervical carcinoma. Vinblastine (VBL) is a key microtubule inhibitor, but unproven in its mechanisms as an important antitumor agent in cervical carcinoma.

Methods: We selected the concentration of vinblastine inducing 30% cell death for analyses assessing the DNA content, gene expression and transcriptional gene regulation of VBL-treated KB-3 cells.

Results: Transcriptomic and hierarchical clustering analysis demonstrated that treatment of KB-3 cells with VBL altered the expression of a diverse group of genes with G2/M arrest, which regulated by four oncogenic or tumor suppresser transcription factors (AP1, NFKB1, RELA, and TP53). Functional pathway analysis revealed the disease response to the biological effects of vinblastine in cervical carcinoma chemotherapy including protein ubiquitination pathway, RhoGDI signaling, integrin signaling, agranulocyte adhesion and biapedesis, and actin nucleation pathways. Northern blots also confirmed that KRT-7, FN14, IER3, and ID1 were deregulated in VBL-treated KB-3 cells.

Conclusion: Transcriptional time series profiles and a functional pathway analysis of VBL-treated KB-3 cells will provide a new strategy for improving microtubule inhibitor chemotherapy for cervical carcinoma.

Keywords: KB-3 cells, vinblastine, gene expression, transcriptional gene regulation, pathway analysis.