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Original Research Article | OPEN ACCESS

Activating transcription factor 3 enhances chemosensitivity of dichloroacetic acid via p53 pathway in cervical squamous epithelial cancer cells

Zuohelaguli Mutalifu, Gulimire Buranjiang, Hua Jin

Department of Gynecological Radiation Therapy II Ward, The 3rd Affiliated Teaching Hospital of Xinjiang Medical UniversityA288;Affiliated Cancer Hospital), Urumqi, Xinjiang 830011, China;

For correspondence:-  Hua Jin   Email: jinhuaxinjmd@163.com   Tel:+8613095003608

Accepted: 28 November 2018        Published: 26 December 2018

Citation: Mutalifu Z, Buranjiang G, Jin H. Activating transcription factor 3 enhances chemosensitivity of dichloroacetic acid via p53 pathway in cervical squamous epithelial cancer cells. Trop J Pharm Res 2018; 17(12):2393-2398 doi: 10.4314/tjpr.v17i12.12

© 2018 The authors.
This is an Open Access article that uses a funding model which does not charge readers or their institutions for access and distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0) and the Budapest Open Access Initiative (http://www.budapestopenaccessinitiative.org/read), which permit unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited..

Abstract

Purpose: To investigate the effect of activating transcription factor 3 (ATF) on dichloroacetic acid (DCA) for the treatment of cervical cancer.
Methods: 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and flow cytometry assays were first used to determine the effect of DCA treatment on SW756 cells. Next, western blotting was performed to test apoptotic markers and activating transcription factor 3 (ATF3) expression. MTT and flow cytometry assays were conducted to test the effect of ATF3 on the viability and apoptosis of cervical cancer cells. Finally, western blotting, quantitative real-time polymerase chain reaction (qRT-PCR), and flow cytometry assays were used to examine the causality between ATF3 and P53.
Results: The expression of ATF3 was significantly upregulated (p < 0.001) in cervical cancer cells treated with DCA. ATF3 overexpression consolidated the suppressive effect of DCA on cell proliferation and induced apoptosis (p < 0.001), suggesting that tumor protein 53 (P53), a tumor suppressor, was responsible for ATF3-mediated anti-tumorigenesis in DCA-treated cervical cancer.
Conclusion: These results indicate that ATF3/P53 signaling is critical to treating cervical cancer with DCA and provides new insights into cervical cancer diagnosis, treatment and prognosis.

Keywords: Cervical squamous epithelial cancer,  Activating transcription factor, Tumor protein 53 (P53), Tumor suppressor, Dichloroacetic acid

Impact Factor
Thompson Reuters (ISI): 0.6 (2023)
H-5 index (Google Scholar): 49 (2023)

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