ArticleMedical science monitor : international medical journal of experimental and clinical research2016
MicroRNA-421 Gene Polymorphism in Gastric Carcinoma.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Non-Coding RNA as Biomarkers and Their Role in the Pathogenesis of Gastric Cancer-A Narrative Review.International journal of molecular sciences · 2024Review
- Association between SNPs in microRNA machinery genes and gastric cancer susceptibility, invasion, and metastasis in Chinese Han population.Oncotarget · 2017Article
- Transcriptome analysis of miRNA-lncRNA-mRNA interactions in the malignant transformation process of gastric cancer initiation.Cancer gene therapy · 2017Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND As a common malignant tumor, gastric carcinoma requires early diagnosis to improve treatment efficacy. MicroRNA (miR) molecules have highly conserved nucleotide sequences and can negatively regulate target gene expression at the translational level. miR-421 has been suggested to be related with gastric cancer occurrence. The gene polymorphism of miR-421, however, has not been reported. This study thus investigated the G/C polymorphism of miR-421 and its role in progression and prognosis of gastric cancer. MATERIAL AND METHODS A total of 96 gastric cancer patients were recruited in this study and tumor samples were collected from surgical resection. Single-nucleotide polymorphism (SNP) of miR-421 was determined by DNA sequencing for analyzing the correlation between lymph node metastasis and miR-421 genotypes. Logistic regression analysis was used to determine the relationship between genotype and risk factors of gastric cancer. Kaplan-Meier survival analysis was also performed to compare GG and GC carriers. RESULTS Differential expression patterns existed between gastric cancer tissues and normal gastric mucosa. Logistic regression analysis showed GC and GG genotypes were risk factors for gastric cancer. Patients with lymph node metastasis had higher GG genotype frequency compared to those without metastasis. In survival analysis, GG carriers had shorter survival time than GC carriers. Furthermore, GG genotype was correlated with tumor prognosis (p<0.05). CONCLUSIONS G allele of miR-421 is a risk factor for gastric cancer. GG genotype is correlated with lymph node metastasis and prognosis, indicating it is a risk factor for gastric cancer.
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