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TP53 and PIK3CA gene mutations in adenocarcinoma, squamous cell carcinoma and high-grade intraepithelial neoplasia of the cervix

Overview of attention for article published in Journal of Translational Medicine, September 2014
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Title
TP53 and PIK3CA gene mutations in adenocarcinoma, squamous cell carcinoma and high-grade intraepithelial neoplasia of the cervix
Published in
Journal of Translational Medicine, September 2014
DOI 10.1186/s12967-014-0255-5
Pubmed ID
Authors

Maria Lina Tornesello, Clorinda Annunziata, Luigi Buonaguro, Simona Losito, Stefano Greggi, Franco M Buonaguro

Abstract

BackgroundMutations in the tumor suppressor gene TP53 and proto-oncogene PIK3CA and alterations of p53 and PIK3CA AKT mTOR pathways are common events in several human cancers. We focused on the analysis of TP53 and PIK3CA gene variations in adenocarcinoma, squamous cell carcinoma as well as in intraepithelial neoplasia grade 3 of the cervix.MethodsDNA samples from 28 cervical adenocarcinoma, 55 squamous cell carcinoma and 31 intraepithelial neoplasia grade 3 (CIN3), previously characterized in terms of human papillomavirus (HPV) prevalence and genotype distribution, were analyzed for TP53 and PIK3CA mutations in the exons 4¿9 and exon 9, respectively.ResultsSingle nucleotide substitutions in TP53 and PIK3CA genes were detected in 36% and 11% of adenocarcinoma, in 16% and in 5% of squamous cell carcinoma, and in 13% and none of CIN 3, respectively. Nucleotide changes in TP53 were significantly more frequent in adenocarcinoma cases than in squamous cell carcinoma and CIN3 (P¿=¿0.035) and were independent from HPV infection status.ConclusionsMutations in the TP53 gene and to lesser extent in the PIK3CA gene seem more frequent in cervical adenocarcinoma than in squamous cell carcinoma and CIN3. Whether TP53 and PIK3CA gene mutations have an impact on prognosis and response to molecularly targeted therapies as well as in cytotoxic drugs in different cervical cancer histotypes needs to be analyzed in investigative clinical trials.

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Mendeley readers

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Geographical breakdown

Country Count As %
Netherlands 1 2%
Unknown 49 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 10 20%
Student > Master 7 14%
Researcher 6 12%
Student > Postgraduate 5 10%
Other 4 8%
Other 8 16%
Unknown 10 20%
Readers by discipline Count As %
Medicine and Dentistry 15 30%
Biochemistry, Genetics and Molecular Biology 8 16%
Agricultural and Biological Sciences 8 16%
Immunology and Microbiology 2 4%
Engineering 2 4%
Other 2 4%
Unknown 13 26%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 16 September 2014.
All research outputs
#20,236,620
of 22,763,032 outputs
Outputs from Journal of Translational Medicine
#3,305
of 3,980 outputs
Outputs of similar age
#188,345
of 225,899 outputs
Outputs of similar age from Journal of Translational Medicine
#62
of 82 outputs
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