ArticleTumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine2015
Adenovirus type 12 E1B 55-kilodalton oncoprotein promotes p53-mediated apoptotic response of ovarian cancer to cisplatin.
Article in Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It has been retracted, and should not be counted. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Cellular Mechanism of Gene Mutations and Potential Therapeutic Targets in Ovarian Cancer.Cancer management and research · 2021Review
Corrections and comments
- Retraction · 2021-12-21Author Unresponsive · Manipulation of Images · · see also: https://pubpeer.com/publications/A8537EF134DFD0BB1B8E0A15FC0E16
- Retracted
Authors and funding
3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The tumor suppressor p53-mediated apoptotic response plays an important role in cisplatin resistant in ovarian cancer. The adenovirus (Ad) type 12 E1B 55-kDa protein binds to p53 and inactivates its transcriptional transactivation function. In this study, we test the hypothesis that Ad12 E1B 55-kDa oncoprotein promotes p53-mediated apoptotic response of ovarian cancer to cisplatin. First, we observed the upregulation protein level of p53 target genes in cisplatin-resistant or cisplatin-sensitive ovarian cancer by Western blotting. Second, after transfection of Ad12 E1b 55-kDa expression plasmid, the expressions of p53 target genes in A2780 cells were further enhanced. Co-IP experiment demonstrated Ad12 E1b 55 kDa associated with p53. MTT assay confirmed that the cell proliferation was enhanced after transfection, as well as the enhanced cell inhibitory rate in the presence of cisplatin. Using flow cytometry, transfection of Ad12 E1B 55-kDa protein induced apoptosis and promoted S-phase transition in proliferation. Finally, results showed that all these changes promoted by Ad12 E1b 55 kDa were attenuated by the exposure of specific inhibitor of p53 signaling, pifithrin-α. Taken together, we concluded that Ad E1B 55-kDa oncoprotein promotes p53-mediated apoptotic response of ovarian cancer to cisplatin.
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