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Updated: Feb 7, 2026

Overexpressing Long Noncoding RNAs Using Gene-activating CRISPR
Published on: March 1, 2019
Potential role of RAB6C-AS1 long noncoding RNA in different cancers
Abbas Salavaty1, Fatemeh Movahedi Motlagh2,3, Mehri Barabadi2
1Young Researchers and Elite Club, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
The long noncoding RNA RAB6C-AS1 is often overexpressed in gastric cancer and may act as an oncogene or tumor suppressor depending on the cancer type. This suggests RAB6C-AS1 could be a biomarker for various cancers, including brain and prostate cancers.
Area of Science:
- Molecular Biology
- Genomics
- Cancer Research
Background:
- Long noncoding RNAs (lncRNAs) are crucial regulators of cellular processes, often via epigenetic mechanisms.
- Dysregulation of lncRNAs is implicated in various diseases, particularly cancer.
- This study focuses on the role of the RAB6C-AS1 lncRNA in different cancer types.
Purpose of the Study:
- To investigate the expression and potential roles of RAB6C-AS1 in cancer.
- To determine if RAB6C-AS1 is associated with gastric cancer progression.
- To explore the oncogenic or tumor-suppressive functions of RAB6C-AS1 in various cancers.
Main Methods:
- Real-time quantitative reverse transcription-polymerase chain reaction (RT-qPCR) was used to analyze RAB6C-AS1 expression in gastric cancer samples.
- Bioinformatic analyses and utilization of public datasets were employed to assess RAB6C-AS1's association with different cancers.
- Systems biology approaches were used to understand the functional implications of RAB6C-AS1.
Main Results:
- RAB6C-AS1 was found to be overexpressed in 40% of gastric cancer specimens.
- Overexpression of RAB6C-AS1 correlated with higher tumor grades in gastric cancer.
- Bioinformatic analysis indicated RAB6C-AS1 may act as an oncogene in prostate and breast cancers, but as a tumor suppressor in brain tumors.
Conclusions:
- RAB6C-AS1 is frequently overexpressed in gastric cancer.
- RAB6C-AS1 exhibits tissue-specific functions, potentially acting as an oncogene or tumor suppressor.
- RAB6C-AS1 shows promise as a biomarker for malignancies like prostate and brain cancers, with notable prognostic value in lower-grade gliomas.
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