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DLX6-AS1: A Long Non-coding RNA With Oncogenic Features
Soudeh Ghafouri-Fard1, Sajad Najafi2, Bashdar Mahmud Hussen3,4
1Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Frontiers in Cell and Developmental Biology
|March 14, 2022
Summary
Long non-coding RNA DLX6-AS1 promotes cancer progression by enhancing proliferation, migration, and invasion. Its elevated expression correlates with poor prognosis and serves as an independent prognostic factor in various cancers.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- Long non-coding RNAs (lncRNAs) are increasingly implicated in human diseases, especially cancer.
- The specific role of lncRNAs in carcinogenesis is not fully understood.
- DLX6-AS1 is a lncRNA found to be upregulated in multiple cancer types.
Purpose of the Study:
- To investigate the oncogenic role of DLX6-AS1 in cancer development and progression.
- To elucidate the molecular mechanisms underlying DLX6-AS1's function in carcinogenesis.
- To evaluate DLX6-AS1 as a potential diagnostic and prognostic biomarker in cancer patients.
Main Methods:
- In vitro cell-based studies assessing proliferation, migration, invasion, EMT, and apoptosis.
- Identification of microRNA (miRNA) sponging mechanisms.
- Xenograft animal models to study tumor growth and metastasis.
- Clinical analysis of DLX6-AS1 expression in patient tumor tissues versus healthy tissues.
- Correlation analysis with clinicopathological features and survival data.
- Cox regression analysis for prognostic significance.
Main Results:
- DLX6-AS1 promotes cancer cell proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT) while suppressing apoptosis.
- DLX6-AS1 acts as a molecular sponge for specific miRNAs, regulating transcription factors and signaling pathways involved in cancer.
- Xenograft studies confirmed DLX6-AS1 enhances tumor growth and metastasis.
- Elevated DLX6-AS1 expression in tumor tissues is associated with advanced clinicopathological features and shorter patient survival.
- DLX6-AS1 is identified as an independent prognostic factor for various cancers.
Conclusions:
- DLX6-AS1 exhibits significant oncogenic activity, driving cancer progression through multiple cellular mechanisms.
- DLX6-AS1's dysregulation and its role in miRNA sponging highlight its importance in cancer biology.
- Clinical data strongly support DLX6-AS1 as a valuable prognostic biomarker for cancer patients.
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