ArticlePloS one2018
Impact of LINE-1 hypomethylation on the clinicopathological and molecular features of colorectal cancer patients.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 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
5 citing papers in PubMed, 8 citations in OpenAlex.
- LINE-1 methylation status and survival outcomes in colorectal cancer patients: A systematic review and meta-analysis.Heliyon · 2025Article
- Article
- Standardization of DNA amount for bisulfite conversion for analyzing the methylation status of LINE-1 in lung cancer.PloS one · 2021Article
- Impact of TumorJournal of personalized medicine · 2020Article
- Tumor DNA hypomethylation of LINE-1 is associated with low tumor grade of breast cancer in Tunisian patients.Oncology letters · 2020Article
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recent studies suggest that aberrant DNA methylation might occur early and commonly in colorectal tumorigenesis. In 111 normal subjects, the mean LINE-1 methylation level of peripheral blood was 81.0 ± 5.7%. Of 143 colorectal cancer (CRC) patients, the mean level of LINE-1 methylation was 60.5 ± 12.5%. We defined below 60% as cut-off value of LINE-1 hypomethylation, and 93 cases (65.0%) had LINE-1 hypomethylation in the tumor tissue. LINE-1 hypomethylation was not associated with any other clinical features. There was a trend that LINE-1 hypomethylation tumors were associated with advanced disease, but it did not reach statistical significance. There was no significant association between mutations of 12 genes, MSI-high, EMAST, and LINE-1 hypomethylation level. The median follow-up was 61.2 months. Five-year disease-free survival (DFS) and overall survival curves of patients with LINE-1 hypomethylation tumors were significantly lower than those of patients with normal LINE-1 methylation tumors (p = 0.032 and 0.001, respectively). Multivariate analysis showed that only TNM staging was an independent prognostic factor for CRC patients including DFS and overall survival (OS). LINE-1 did not impact patients' outcomes in multivariate analysis including DFS and OS. In conclusion, LINE-1 hypomethylation is marginally related to advanced stage CRC and impacts patients' outcomes in univariate analysis.
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