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. 2020 Dec;8(12):e1541.
doi: 10.1002/mgg3.1541. Epub 2020 Nov 2.

Association of long noncoding RNA MALAT1 polymorphisms with gastric cancer risk in Korean individuals

Jang Hee Hong  1   2 , Eun-Heui Jin  3 , In Ae Chang  1 , Hyojin Kang  1 , Sang-Il Lee  4 , Jae Kyu Sung  5
Affiliations

Association of long noncoding RNA MALAT1 polymorphisms with gastric cancer risk in Korean individuals

Jang Hee Hong et al. Mol Genet Genomic Med. 2020 Dec.

Abstract

Background: Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) drives tumorigenesis of various human cancers. However, the association between MALAT1 variants and gastric cancer (GC) risk is unknown. We performed a case-control study to evaluate the possible association between rs619586 and rs3200401 SNPs in MALAT and GC risk.

Methods: Samples from 458 patients with GC and 381 controls were genotyped using the TaqMan genotyping assay.

Results: In stratified analyses, we observed that rs3200401 CT in the codominant model and CT+TT in the dominant model were associated with increased GC risk in male patients (CT: odds ratio [OR] = 1.81, 95% confidence interval [CI] = 1.09-3.01, p = 0.022; CT+TT: OR = 1.74, 95% CI = 1.07-2.83, p = 0.026), and the differentiated (CT: OR =1.79, 95% CI = 1.18-2.73, p = 0.007; CT+TT: OR = 1.76, 95% CI = 1.17-2.64, p = 0.007), and intestinal (CT: OR = 1.67, 95% CI = 1.11-2.49, p = 0.013; CT+TT: OR = 1.68, 95% CI = 1.14-2.47, p = 0.009) GC subgroups.

Conclusion: MALAT1 rs3200401 increases GC susceptibility and might affect GC development. Further studies are needed to validate our results in large populations and different ethnic groups.

Keywords: case-control study; gastric cancer; long noncoding RNA; metastasis-associated lung adenocarcinoma transcript 1; single-nucleotide polymorphism.

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Conflict of interest statement

The authors have declared that no competing interest exists.

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