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Molecular evidence of high-risk human papillomavirus infection in colorectal tumours from Cuban patients

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, October 2016
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Title
Molecular evidence of high-risk human papillomavirus infection in colorectal tumours from Cuban patients
Published in
Memórias do Instituto Oswaldo Cruz, October 2016
DOI 10.1590/0074-02760160217
Pubmed ID
Authors

Yudira Soto, Celia Maria Limia, Licet González, Bienvenido Grá, Olga Marina Hano, Pedro Ariel Martínez, Vivian Kourí

Abstract

The association between colorectal cancer and human papillomavirus (HPV) infection is still unproven. The aim of this study was to investigate the presence of high-risk HPV (HR-HPV) DNA in colorectal tissues from Cuban patients. A total of 63 colorectal formalin-fixed paraffin-embedded tissues were studied (24 adenocarcinoma, 18 adenoma, and 21 colorectal tissues classified as benign colitis). DNA from colorectal samples was analysed by quantitative real-time polymerase chain reaction to detect the most clinically relevant high HR-HPV types (HPV-16, -18, -31, -33, -45, -52, and -58). Associations between histologic findings and other risk factors were also analysed. Overall, HPV DNA was detected in 23.8% (15/63) of the samples studied. Viral infections were detected in 41.7% of adenocarcinoma (10/24) and 27.7% of adenoma cases (5/18). HPV DNA was not found in any of the negative cases. An association between histological diagnosis of adenocarcinoma and HPV infection was observed (odd ratio = 4.85, 95% confidence interval = 1.40-16.80, p = 0.009). The only genotypes identified were HPV 16 and 33. Viral loads were higher in adenocarcinoma, and these cases were associated with HPV 16. This study provides molecular evidence of HR-HPV infection in colorectal adenocarcinoma tissues from Cuban patients.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 19 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 19 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 3 16%
Student > Ph. D. Student 3 16%
Student > Bachelor 2 11%
Student > Master 2 11%
Professor 1 5%
Other 1 5%
Unknown 7 37%
Readers by discipline Count As %
Medicine and Dentistry 6 32%
Biochemistry, Genetics and Molecular Biology 5 26%
Agricultural and Biological Sciences 1 5%
Social Sciences 1 5%
Computer Science 1 5%
Other 0 0%
Unknown 5 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 01 August 2017.
All research outputs
#20,660,571
of 25,377,790 outputs
Outputs from Memórias do Instituto Oswaldo Cruz
#1,185
of 1,502 outputs
Outputs of similar age
#245,276
of 318,637 outputs
Outputs of similar age from Memórias do Instituto Oswaldo Cruz
#9
of 15 outputs
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So far Altmetric has tracked 1,502 research outputs from this source. They receive a mean Attention Score of 4.6. This one is in the 13th percentile – i.e., 13% of its peers scored the same or lower than it.
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We're also able to compare this research output to 15 others from the same source and published within six weeks on either side of this one. This one is in the 20th percentile – i.e., 20% of its contemporaries scored the same or lower than it.