Combined Impacts of Genetic Variants of Long Non-Coding RNA MALAT1 and the Environmental Carcinogen on the Susceptibility to and Progression of Oral Squamous Cell Carcinoma

doi:10.3389/fonc.2021.684941

中山醫學大學機構典藏 CSMUIR > 中山醫學大學研究成果 > 期刊論文 > Item 310902500/24073

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题名:	Combined Impacts of Genetic Variants of Long Non-Coding RNA MALAT1 and the Environmental Carcinogen on the Susceptibility to and Progression of Oral Squamous Cell Carcinoma
作者:	Ding, YF;Wen, YC;Chuang, CY;Lin, CW;Yang, YC;Liu, YF;Chang, WM;Chang, LC;Yang, SF;Chien, MH
关键词:	oral squamous cell carcinoma;MALAT1;single-nucleotide polymorphisms;susceptibility;progression
日期:	2021
上传时间:	2022-08-05T09:47:24Z (UTC)
出版者:	FRONTIERS MEDIA SA
ISSN:	2234-943X
摘要:	Oral squamous cell carcinoma (OSCC) is the most common malignant tumor of the oral cavity, and long non-coding (Inc)RNA of metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) was recently reported to play a crucial role in OSCC development and progression. However, potential effects of genetic variants of MALAT1 on the development of OSCC are still unclear. Herein, we performed a case-control study in 1350 patients with OSCC and 1199 healthy controls to evaluate the association between functional single-nucleotide polymorphisms (SNPs) of MALAT1 and OSCC susceptibility, as well as its clinicopathologic characteristics. A TaqMan allelic discrimination assay was used to genotype four tagging SNPs, viz., rs3200401 C>T, rs619586 A>G, rs1194338 C>A, and rs7927113 G>A, and results showed that the MALAT1 rs3200401 T allele had a lower risk of OSCC (adjusted odds ratio (AOR): 0.779, 95% confidence interval (CI): 0.632 similar to 0.960, p=0.019) and a higher risk of developing moderately (grade ID/poorly (grade III) differentiated OSCC (AOR: 1.508-fold, 95% CI: 1.049 similar to 2.169, p=0.027) under a dominant model. According to environmental carcinogen exposure, patients with a betel quid-chewing habit who carried the T allele of rs3200401 more easily developed high-grade (II/III) OSCC (AOR: 1.588, 95% CI: 1.055 similar to 2.390, p=0.027), and patients with the same genotype but who did not chew betel quid had a lower risk of developing lymph node metastasis (AOR: 0.437, 95% CI: 0.255 similar to 0.749, p=0.003). In addition to rs3200401, the rs619586 AG/GG genotype was associated with increased risks of developing advanced stages (III+IV) and larger tumor sizes (>T2) compared to the M genotype, especially in the subgroup of betel quid chewers. Furthermore, analyses of clinical datasets revealed that the MALAT1 expression level was upregulated in OSCC compared to normal tissues, especially in the betel quid-chewing population. These results indicated involvement of MALAT1 SNPs rs3200401 and rs619586 in the development of OSCC and support the interaction between MALAT1 gene polymorphisms and the environmental carcinogen as a predisposing factor for OSCC progression.
URI:	http://dx.doi.org/10.3389/fonc.2021.684941 https://www.webofscience.com/wos/woscc/full-record/WOS:000672507800001 https://ir.csmu.edu.tw:8080/handle/310902500/24073
關聯:	FRONTIERS IN ONCOLOGY ,2021,v11
显示于类别:	[中山醫學大學研究成果] 期刊論文

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