ArticleDigestive diseases and sciences2023
Methylation Mediated Downregulation of TOB1-AS1 and TOB1 Correlates with Malignant Progression and Poor Prognosis of Esophageal Squamous Cell Carcinoma.
Article in Digestive diseases and sciences, 2023. 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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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Long Noncoding RNA TOB1-AS1 Represses Cervical Cancer Cell Proliferation, Invasion, and Migration via the MicroRNA-27a-3p/Thioredoxin-Interacting Protein Molecular Axis.The Kaohsiung journal of medical sciences · 2025Article
- Association among Noncoding-RNAs, APRO Family Proteins, and Gut Microbiota in the Development of Breast Cancer.Oncology research · 2025Review
- TOB1 inhibits the gastric cancer progression by focal adhesion pathway and ERK pathway based on transcriptional and metabolic sequencing.BMC cancer · 2024Article
- Roles of long non‑coding RNAs in esophageal cell squamous carcinoma (Review).International journal of molecular medicine · 2024Review
- A pan-cancer analysis of anti-proliferative protein family genes for therapeutic targets in cancer.Scientific reports · 2023Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTOB1, a member of the transducer of erbB-2 /B-cell translocation gene family, was detected to be down-regulated in ESCC by RNA sequencing. TOB1-AS1, a head-to-head antisense lncRNA with TOB1, was down-regulated in several cancers. However, the roles of them in esophageal squamous cell carcinoma (ESCC) remained unclarified.
aimsTo investigate the roles and functions of TOB1-AS1 and TOB1 in ESCC tumorigenesis. MATERIALS AND
methodsThe expression levels, methylation status, biological function and mechanisms of TOB1-AS1 and TOB1 in ESCC were, respectively, detected.
resultsFrequent down-regulation of TOB1-AS1 and TOB1 was verified in esophageal cancer cells and ESCC tissues, and there was a positive correlation between them in ESCC tissues. The CpG sites hypermethylation within proximal promoter of TOB1-AS1 and TOB1 could lead to transcriptional inhibition of both genes. Furthermore, expression and proximal promoter methylation status of TOB1-AS1 or TOB1 may be associated with ESCC patients' prognosis. TOB1-AS1 and TOB1 may function as tumor suppressors by inhibiting growth, migration, and invasion of esophageal cancer cells. Up-regulation of TOB1-AS1 increased expression level of TOB1, and TOB1-AS1 could work as a ceRNA to modulate ATF3 expression via competitively binding with miR-103a-2-5p. Meanwhile, ATF3, as a transcription factor, could regulate transcription of TOB1; down-regulation of TOB1-AS1 in ESCC led to decreased expression of ATF3 through ceRNA mechanism, and further influenced the transcription of TOB1.
conclusionTOB1-AS1 and TOB1 may act as tumor suppressors and may serve as potential targets for antitumor therapy in ESCC.
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