N6-methyladenosine (m6a)-related mRNAs and lncRNAs have been explored for their functions in several cancers. The present study aimed to identify potential signatures of m6a-related lncRNAs in hepatocellular carcinoma (HCC). We downloaded the expression and clinical data from The Cancer Genome Atlas (TCGA) database. The interacted mRNAs and lncRNAs, prognosis-related lncRNAs, potential metabolic pathways of lncRNAs, immune infiltration of various cells, and CD274 (PD-L1) -related lncRNAs were analyzed. Then, in vitro experiments explored the role of AC012073.1 (LOC105377626) in HCC cell lines. We found that candidate 14 lncRNA signatures play functions in HCC maybe by affecting immune infiltration, cell cycle, Notch signaling pathway, etc. LncRNA AC012073.1 (LOC105377626) functions as oncogenic roles in affecting HCC prognosis.
It aims to examine the correlation between the expression of YTHDF1 and YTHDF2 and the clinical, pathological, and prognostic factors in HCC. The study was done using statistics from TCGA to establish the noted relationship. The degree of YTHDF1 and YTHDF2 protein expression in 88 HCC as well as the adjacent tissues was then determined through IHC examination, and we examined how that expression linked with other clinicopathological traits and clinical outcomes. Bioinformatics examination revealed that YTHDF1 and YTHDF2 expression was increased in HCC tissues, and poor pathology grade and prognosis were linked to high expression.YTHDF1 protein expression in IHC was notably higher in HCC tissue (p = .023). It was associated with age (p = .002) but not with other clinicopathological characteristics or prognoses. When compared to paraneoplastic tissues, the expression of the protein YTHDF2 was considerably higher in HCC tissues (p < .0001); and its high expression due to worse pathological grading (p = .035), higher alpha fetoprotein expression (p = .04), higher tumor recurrence (p = .023), lower overall survival rate (p = .011), and lower recurrence free survival rate (p = .005). A separate predictive factor for determining recurrence-free survival in HCC was YTHDF2. A novel molecular marker called YTHDF2 may be used to assess HCC patients' prognoses.
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