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The non-coding oncogene: a case of missing DNA evidence?
1Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg Gothenburg, Sweden.
Frontiers in Genetics
|September 19, 2012
Summary
Genomic alterations in non-coding RNAs (ncRNAs) are increasingly linked to cancer development. This study reviews DNA-level evidence for ncRNAs
Area of Science:
- Oncology
- Genomics
- Molecular Biology
Background:
- Classical proto-oncogenes and tumor suppressors (e.g., MYC, RAS, P53) are well-established drivers of carcinogenesis through genomic alterations.
- Modern genome-scale methods solidify and expand upon knowledge gained from pre-genomic era discoveries.
- Non-coding RNAs (ncRNAs), including microRNAs and long ncRNAs (lncRNAs), are implicated in tumor development, but genomic evidence is less extensive than for coding genes.
Approach:
- This review assesses available DNA-level data linking non-coding genes to tumor development.
- It considers historical, methodological, and biological factors relevant to ncRNA research in cancer.
- Future prospects for investigating ncRNAs in cancer are discussed.
Key Points:
- While coding cancer genes are extensively studied, the genomic role of ncRNAs in tumorigenesis requires further investigation.
- Identifying ncRNAs with tumor suppressor or driver functions could reveal critical molecular players in the largely uncharacterized non-coding transcriptome.
- DNA-level evidence is crucial for understanding the direct impact of genomic alterations on ncRNA function in cancer.
Conclusions:
- The study highlights the need for more genomic research into the role of ncRNAs in cancer.
- Pinpointing functionally significant ncRNAs offers potential for new diagnostic and therapeutic strategies.
- Understanding the genomic basis of ncRNA involvement in cancer is a promising area for future research.
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