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Methylation status of lamin A/C in gastric cancer cell lines.

 Lee WS  ;  Jung JJ  ;  Jeung HC  ;  Noh SW  ;  Oh BK  ;  Kim KY  ;  Kim TS  ;  Chung HC  ;  Roh JK  ;  Rha SY 
 Hepato-Gastroenterology, Vol.59(116) : 1313-1318, 2012 
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BACKGROUND/AIMS: Epigenetic regulations play a role in the development and progression of cancer. Therefore, discovering novel epigenetically regulated genes could provide useful information in understanding cancer. Lamin A/C is an intermediate filament protein whose expression is reported to be suppressed in tissues of gastro-intestinal malignancies. We examined expression of lamin A/C in gastric and colorectal cancer cell lines and its association with DNA methylation. METHODOLOGY: The methylation status of CpG island in 19 gastric, 5 colorectal cancer cells and 1 normal colon cell line were examined with methylation-specific PCR using paired methylated and unmethylated primers. The level of mRNA expression of lamin A/C was detected using RT-PCR. RESULTS: Eighteen gastric cancer cell lines showed 95% unmethylation of lamin A/C and 1 cell line showed partial methylation. In colorectal cancer, only 1 out of 5 cancer cell lines (20%) was partially methylated and the remaining cell lines, including 1 normal colon cell line was unmethylated. With RT-PCR, all cell lines demonstrated mRNA expression of lamin A/C regardless of methylation status. CONCLUSIONS: We observed that the expression of lamin A/C was not suppressed in gastrointestinal cancer cell lines different from hematologic malignant cells and it is not regulated through DNA methylation.
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5. Research Institutes (연구소) > Cancer Metastasis Research Center (암전이연구센터) > 1. Journal Papers
1. College of Medicine (의과대학) > Medical Research Center (임상의학연구센터) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
노세원(Noh, Se Won)
노재경(Roh, Jae Kyung)
라선영(Rha, Sun Young) ORCID logo https://orcid.org/0000-0002-2512-4531
오봉경(Oh, Bong Kyeong)
이원석(Lee, Won Suk)
정현철(Chung, Hyun Cheol) ORCID logo https://orcid.org/0000-0002-0920-9471
정희철(Jeung, Hei Cheul) ORCID logo https://orcid.org/0000-0003-0952-3679
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