[1]赖登攀,陈健,康亚妮.基于3’RACE的胃癌细胞肿瘤相关基因的APA位点分析[J].南方医科大学学报,2014,(12):1738.
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基于3’RACE的胃癌细胞肿瘤相关基因的APA位点分析()
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《南方医科大学学报》[ISSN:1673-4254/CN:44-1627/R]

卷:
期数:
2014年12期
页码:
1738
栏目:
出版日期:
2014-12-20

文章信息/Info

Title:
Alternative polyadenylation site analysis of tumor-related genes based on 3’RACE in
gastric cancer cells
作者:
赖登攀陈健康亚妮
关键词:
胃癌3’RACEAPA
Keywords:
gastric cancer 3’RACE alternative polyadenylation
摘要:
目的分析胃癌细胞中肿瘤相关基因的APA(alternative polyadenylation)位点变化。方法我们选取肿瘤相关基因
HSP90α和SEC11A,利用3’RACE方法在胃癌细胞系MKN45、MKN28和AGS中扩增其mRNA的3’ 端序列,经过测序,与已知数
据库UCSC比对分析其APA位点变化。结果与正常数据库相比,胃癌细胞中HSP90α和SEC11A两个基因均出现新的APA位
点,产生含有不同长度的3’UTR(untranslated region)的新mRNA异构体。结论胃癌细胞中HSP90α和SEC11A的APA位点发
生变化,产生新的mRNA异构体,为研究肿瘤发生发展提供了新思路。
Abstract:
Objective To analyze the alteration in alternative polyadenylation (APA) sites of tumor-related genes in gastric
cancer cells. Methods We used 3’RACE to capture the APA sites of two tumor-related genes (HSP90α and SEC11A) in gastric
cancer cell lines MKN45, MKN28 and AGS, and compared the results with annotated poly(A) sites in UCSC database. Results
We found new APA sites in the two tumor-related genes in gastric cancer cells to produce new mRNA isoforms with different
3’UTRs. Conclusions There are new mRNA isoforms of HSP90α and SEC11A derived from ATA in gastric cancer cells, which
provides new insights into the mechanisms of gastric tumorigenesis.

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更新日期/Last Update: 1900-01-01