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Genetic variations in genes of metabolic enzymes predict postoperational prognosis of patients with colorectal cancer

Overview of attention for article published in Molecular Cancer, September 2015
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Title
Genetic variations in genes of metabolic enzymes predict postoperational prognosis of patients with colorectal cancer
Published in
Molecular Cancer, September 2015
DOI 10.1186/s12943-015-0442-x
Pubmed ID
Authors

Guanglong Dong, Xianli He, Yibing Chen, Haiyan Cao, Jiaojiao Wang, Xiaonan Liu, Shukui Wang, Shaogui Wan, Jinliang Xing

Abstract

Genetic alterations in tricarboxylic acid (TCA) cycle metabolic enzymes were recently linked to various cancers. However, the associations of single nucleotide polymorphisms (SNPs) in genes of these enzymes have not been well studied. We genotyped 16 SNPs from 7 genes encoding TCA cycle metabolic enzymes in 697 colorectal carcinoma (CRC) patients receiving surgical resection and analyzed their associations with clinical outcomes by multivariate Cox proportional hazard model. Then, the significant results were validated in another cohort of 256 CRC patients. We identified 4 SNPs in 2 genes had significant associations with CRC death risk and 5 SNPs in 3 genes had significant associations with CRC recurrence risk. Similar significant results were confirmed for rs4131826 in SDHC gene, rs544184 in SDHD gene and rs12071124 in FH gene in a validation cohort. Further analysis indicated that unfavorable genotypes exhibited a significant cumulative effect on overall and recurrence-free survival in a dose-dependent manner. Moreover, survival tree analysis indicated that SNP rs4131826 in SDHC gene and SNP rs12071124 in FH gene were the primary factors contributing to the different overall survival time and recurrence-free survival time of CRC patients, respectively. Immunohistochemical analysis further validated the effect of rs4131826 and rs544184 on expression of SDHC and SDHD in tissue samples. Our study suggests that SNPs in TCA cycle metabolic enzymes might be significantly associated with clinical outcomes in Chinese population diagnosed with CRC. Further functional and validated studies are warranted to expend our results to clinical utility.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 17 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 17 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 3 18%
Student > Ph. D. Student 2 12%
Researcher 2 12%
Student > Master 1 6%
Unknown 9 53%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 4 24%
Medicine and Dentistry 2 12%
Agricultural and Biological Sciences 1 6%
Mathematics 1 6%
Unknown 9 53%
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 September 2015.
All research outputs
#18,426,826
of 22,828,180 outputs
Outputs from Molecular Cancer
#1,291
of 1,721 outputs
Outputs of similar age
#196,004
of 272,396 outputs
Outputs of similar age from Molecular Cancer
#30
of 34 outputs
Altmetric has tracked 22,828,180 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
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We're also able to compare this research output to 34 others from the same source and published within six weeks on either side of this one. This one is in the 2nd percentile – i.e., 2% of its contemporaries scored the same or lower than it.