Long non-coding RNAs in cancer and development: where do we go from here?

Area of Science:

• Genomics and Molecular Biology
• Non-coding RNA Research
• Disease Mechanisms

Background:

• Genome-wide studies reveal numerous novel long non-protein-coding RNA (lncRNA) transcripts.
• lncRNAs exhibit low, tissue-specific expression and poor sequence conservation.
• lncRNAs are vital for tissue development, pluripotency, differentiation, and regulating gene expression pathways.

Purpose of the Study:

• To address major challenges in lncRNA research, focusing on loss-of-function studies.
• To delineate strategies for in vivo lncRNA gene targeting.
• To discuss considerations and pitfalls in lncRNA function investigation using knockout models.

Main Methods:

• Review of existing literature on lncRNA research methodologies.
• Discussion of strategies for in vivo lncRNA gene targeting.
• Analysis of challenges and considerations for lncRNA knockout animal models.

Main Results:

• Deregulation of lncRNA expression is linked to carcinogenesis and diseases like Alzheimer's.
• Loss-of-function studies present significant challenges in lncRNA research.
• Cross-species comparison offers future opportunities for lncRNA research.

Conclusions:

• lncRNAs are critical regulators implicated in various cellular processes and diseases.
• Effective strategies and careful consideration are needed for lncRNA loss-of-function studies.
• Future research, including cross-species comparisons, can advance lncRNA biomarker discovery and therapeutic targeting.