ArticleJournal of hepatocellular carcinoma2025
NRF1-Induced lncRNA DDX11-AS1 Contributes to the Progression of Hepatocellular Carcinoma via Activating CA9 Expression and the MEK/ERK Pathway.
Article in Journal of hepatocellular carcinoma, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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
2 citing papers in PubMed.
- Article
- The high expression of Long noncoding RNA TEX41 promotes the proliferation, migration, and invasion of hepatocellular carcinoma.Translational cancer research · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: DDX11 antisense RNA 1 (DDX11-AS1) has been recognized for its strong correlation with hepatocellular carcinoma (HCC). Nevertheless, the exact biological functions and fundamental molecular processes of DDX11-AS1 in HCC require further in-depth investigation. Methods: A comprehensive bioinformatics analysis was carried out to explore the expression of DDX11-AS1 and its clinical implication in HCC utilizing the TCGA data. qRT-PCR was employed to validate the expression of DDX11-AS1 in HCC tissues/cell lines. RNA fluorescence in situ hybridization (RNA-FISH) was used to observe the subcellular localization of DDX11-AS1 in HCC cells. Loss-of-function experiments, both in vitro and in vivo, were executed to elucidate the biological functions of DDX11-AS1 in HCC. RNA sequencing (RNA-seq) was employed to identify genes and signaling pathways potentially regulated by DDX11-AS1. Rescue experiments were conducted to validate that carbonic anhydrase IX (CA9) mediates DDX11-AS1 promoting HCC progression. The influence of nuclear respiratory factor 1 (NRF1) on the transcription of DDX11-AS1 was investigated through dual-luciferase reporter assays and ChIP-qPCR. Results: The increased expression of DDX11-AS1 is positively associated with several aggressive clinical characteristics (pathologic T stage, histologic grade, AFP level, and vascular invasion), and is closely linked to unfavorable outcomes in HCC patients, acting as a separate hazardous factor for overall survival. DDX11-AS1 is predominantly situated in the nucleus of HCC cells. DDX11-AS1 knockdown impeded the growth, migration, and invasion capabilities of HCC cells in vitro, and reduced the tumor enlargement in a subcutaneous mouse model. RNA-Seq unveiled that silencing DDX11-AS1 lessened the expression of CA9 and suppressed the activity of the MEK/ERK signaling cascade in HCC cells. Rescue experiments uncovered that CA9 acts as a downstream target facilitating the cancer-causing roles of DDX11-AS1 in HCC. Furthermore, DDX11-AS1 was revealed to be transcriptionally regulated by NRF1. Conclusion: DDX11-AS1, a NRF1-induced lncRNA, facilitates HCC development by upregulating CA9 expression and activating the MEK/ERK signaling cascade.
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