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Targetome profiling, pathway analysis and genetic association study implicate miR-202 in lymphomagenesis
Aaron E Hoffman1, Ran Liu, Alan Fu
1Corresponding Author: Yong Zhu, Yale School of Public Health, Yale School of Medicine, New Haven, CT 06520, USA. yong.zhu@yale.edu
Summary
MicroRNA-202 (miR-202) plays a role in follicular lymphoma development. A genetic variant in miR-202 is linked to increased risk, suggesting its potential as a biomarker.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- MicroRNAs (miRNAs) are crucial in tumorigenesis.
- miR-202 dysregulation is linked to various cancers, including follicular lymphoma.
Purpose of the Study:
- To investigate the role of miR-202 in follicular lymphoma.
- To identify miR-202 targets and assess the impact of a genetic variant on its function and cancer risk.
Main Methods:
- Ribonucleoprotein immunoprecipitation-microarray (RIP-Chip) to identify miR-202 targets.
- Ingenuity Pathway Analysis for functional interactions.
- Genetic association study of a miR-202 polymorphism (rs12355840) and follicular lymphoma risk.
- In vitro functional assays.
Main Results:
- Identified 141 potential miR-202 targets, enriched in cancer-related pathways.
- Found a significant association between the rs12355840 variant and increased follicular lymphoma risk.
- Demonstrated that the variant allele reduces miR-202 levels by affecting precursor processing.
Conclusions:
- miR-202 is implicated in follicular lymphomagenesis.
- miR-202 may function as a tumor suppressor in follicular lymphoma.
- The miR-202 variant warrants investigation as a biomarker for follicular lymphoma risk.
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