hpv16 e6 promotes breast cancer proliferation via upregulation of cox-2 expression

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ID: 181456
2017
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Abstract
Background. Breast cancer remains the leading cause of cancer-related mortality worldwide. It has been indicated that human papillomaviruses 16 (HPV16) might participate in the pathogenesis and development of breast cancer. However, the detected rate of HPV16 varies with region. We will investigate HPV16 E6 expression in North China and explore the effects and mechanism of HPV16 E6 on breast cancer proliferation in this study. Methods. The expressions of HPV16 E6 and COX-2 in paraffin-embedded tissues of the invasive ductal breast cancer were detected by qPCR and IHC. The effects of HPV16 E6 on breast cancer proliferation were determined by function studies. The mechanism of HPV16 E6 in promoting breast cancer proliferation was explored by Western blot and Dual-Luciferase Reporter Assay. Results. HPV16 E6 was positive in 28% invasive ductal breast carcinoma in North China; HPV16 E6 promoted breast cancer proliferation. Inhibition of COX-2 by siCOX-2 or Celecoxib attenuated the proliferation of breast cancer cells with HPV16 E6 expression; and the upregulation of COX-2 could be suppressed by the inhibition of NF-κB activity. Conclusion. HPV16 E6 promotes breast cancer proliferation by activation of NF-κB signaling pathway and increase of COX-2 expression. COX-2 will be a potential target for HPV16 E6-associated breast cancer.
Reference Key
wang2017biomedhpv16 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Y. X. Wang;Y. Z. Li;Z. Y. Zhang;J. Q. Wang;J. Cui;X. L. Qian
Journal spectrochimica acta - part a: molecular and biomolecular spectroscopy
Year 2017
DOI
10.1155/2017/2948467
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