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Published on: March 14, 2019
Association between Genetic Polymorphisms in MicroRNAs 196a2 (rs11614913) and 34 b/c (rs4938723) and Risk of
Ahmed Amin Ibrahim1, Mohamed Abdel-Fattah El-Feki1, Mohamed Gamal1
1Internal Medicine Department, Beni-Suef University, Egypt.
Background:
Hepatocellular carcinoma (HCC) is a common cancer with substantial cancer-related deaths worldwide. Deregulation of some genetic polymorphisms has been identified in HCC.
Objective:
We aimed to demonstrate the frequency of miRNA 196a2 rs11614913 and miRNA 34 b/c rs4938723 gene polymorphisms in HCC patients and their correlation with the clinical features and laboratory findings at diagnosis.
Subjects And Methods:
The study was performed on 40 patients with newly diagnosed HCC and 40 patients with liver cirrhosis in addition to 40 age and sex-matched healthy controls. Detection of miRNA 196a2 rs11614913 and miRNA 34 b/c rs4938723 gene polymorphisms was determined by PCR-RFLP.
Results:
HCC patients had significantly higher frequency of miR-196-2a rs11614913 CC genotype when compared with cirrhotic patients (60.0 % versus 30.0 %, p=0.013). In spite of the fact that HCC patients also had higher frequency of miR-196-2a rs11614913 CC genotype in comparison to controls, the difference fell short of statistical significance (60.0 % versus 42.5 %, p=0.18). No significant differences were found between the studied groups regarding the frequency of miR-196-2a alleles. miR34 b/c rs4938723 CC genotype was the only identified genotype in all participants in the three studied groups. No significant associations were found between the different clinical and laboratory variables and genotypic variations in HCC patients.
Conclusions:
This study identified miR-196a2 rs11614913 CC genotype as a risk factor for HCC development while we failed to document similar relation for miR-34b/c rs4938723 polymorphism.
