期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 118, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2019.109342
关键词
Colon cancer; Long noncoding RNA; FAM83H-AS1; Prognosis
资金
- Beijing Municipal Administration of Hospitals Incubating Program [PX2018013]
- National Natural Science Foundation of China [81802349]
- Beijing Natural Science Foundation [7192070]
- Scientific Research Project of Beijing Educational Committee [KM201910025016]
Long noncoding RNAs (LncRNAs) have been proven to participate in many principal pathways during colonic mucosa tumourigenesis. FAM83H-AS1 has been identified as one of the LncRNAs that is dysregulated in multi-type cancers. Here, our purpose was to determine the expression pattern and clinical significance of FAM83-HAS1 and further analyse its prognostic value in colon cancer. FAM83H-AS1 expression was examined in 90 patients with colon cancer by RNAscope in situhybridization, and the expression levels were analysed with the overall survival (OS) rates for patients with colon cancer. TCGA datasets derived from colon cancer (COAD) were used to further validate the main findings. We demonstrated that the expression of FAM83H-AS1 was significantly higher in cancer tissues than in paired normal mucosa from colon cancer patients (P < 0.001). The prognostic analysis indicated that the OS rates for colon cancer patients with high levels of FAM83H-AS1 were significantly lower than those for patients with low levels of FAM83H-AS1 (P = 0.013). The higher levels of FAM83H-AS1 were found to be associated with a lower expression of SMAD1/5/9, which is involved in TGF-beta signalling in colon cancer tissues (P = 0.0174). In HCT116 and SW480 cell lines, the down regulation of FAM83H-AS1 promoted the expression of SMAD1. Our investigations suggest that the upregulation of FAM83-HAS1 serves as a promising predictor and might be conducive for clinicians to estimate OS time. FAM83H-AS1 might serve as an inhibitor of TGF-beta signalling.
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