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Epigenetic silencing of SALL3 is an independent predictor of poor survival in head and neck cancer

Overview of attention for article published in Clinical Epigenetics, June 2017
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Title
Epigenetic silencing of SALL3 is an independent predictor of poor survival in head and neck cancer
Published in
Clinical Epigenetics, June 2017
DOI 10.1186/s13148-017-0363-1
Pubmed ID
Authors

Kiyoshi Misawa, Daiki Mochizuki, Atsushi Imai, Yuki Misawa, Shiori Endo, Masato Mima, Hideya Kawasaki, Thomas E. Carey, Takeharu Kanazawa

Abstract

This study examined Sal-like protein (SALL)3 methylation profiles of head and neck cancer (HNSCC) patients at diagnosis and follow-up and evaluated their prognostic significance and value as a biomarker. SALL3 expression was examined in a panel of cell lines by quantitative reverse transcription polymerase chain reaction (RT-PCR). The methylation status of the SALL3 promoter was examined by quantitative methylation-specific PCR. SALL3 promoter methylation was associated with transcriptional inhibition and was correlated with disease recurrence in 64.8% of cases, with an odds ratio of 1.914 (95% confidence interval: 1.157-3.164; P = 0.011) by multivariate Cox proportional hazard regression analysis. SALL3 promoter hypermethylation showed highly discriminatory receiver operator characteristic curve profiles that clearly distinguished HNSCC from adjacent normal mucosal tissue, and was correlated with reduced disease-free survival (DFS) (log-rank test, P = 0.01). Hypermethylation of tumor-related genes was higher among patients with SALL3 methylation than among those without methylation (P < 0.001). Furthermore, SALL3 hypermethylation was associated with expression of TET1, TET2, and DNMT3A genes. This study suggests that CpG hypermethylation is a likely mechanism of SALL3 gene inactivation, supporting the hypothesis that the SALL3 gene may play a role in the tumorigenesis of HNSCC and may serve as an important biomarker.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 4 12%
Student > Postgraduate 3 9%
Student > Ph. D. Student 3 9%
Student > Doctoral Student 2 6%
Other 2 6%
Other 8 24%
Unknown 12 35%
Readers by discipline Count As %
Medicine and Dentistry 11 32%
Biochemistry, Genetics and Molecular Biology 3 9%
Agricultural and Biological Sciences 3 9%
Unspecified 2 6%
Chemical Engineering 1 3%
Other 3 9%
Unknown 11 32%
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 17 June 2017.
All research outputs
#20,105,949
of 24,716,872 outputs
Outputs from Clinical Epigenetics
#1,131
of 1,406 outputs
Outputs of similar age
#248,543
of 322,308 outputs
Outputs of similar age from Clinical Epigenetics
#23
of 29 outputs
Altmetric has tracked 24,716,872 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,406 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.2. This one is in the 11th percentile – i.e., 11% of its peers scored the same or lower than it.
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We're also able to compare this research output to 29 others from the same source and published within six weeks on either side of this one. This one is in the 17th percentile – i.e., 17% of its contemporaries scored the same or lower than it.