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Updated: Jan 30, 2026
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Detection and Isolation of Viable Mouse IL-17-Secreting T Cells
Published on: December 18, 2008
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miR-17∼92 in lymphocyte development and lymphomagenesis
Verena Labi1, Katia Schoeler1, Doron Melamed2
1Division of Developmental Immunology, Biocenter, Innsbruck Medical University, Innsbruck, 6020, Austria.
Cancer Letters
|January 21, 2019
Summary
MicroRNAs (miRNAs) regulate protein levels by targeting messenger RNAs. The miR-17∼92 cluster is crucial for lymphocyte development and immune responses, but its overexpression can drive lymphoid tumors.
Area of Science:
- Molecular Biology
- Immunology
- Cancer Biology
Background:
- MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression post-transcriptionally.
- The miR-17∼92 cluster is a key miRNA polycistron with significant roles in cellular processes.
Purpose of the Study:
- To review the multifaceted roles of the miR-17∼92 cluster miRNAs in lymphocyte development and homeostasis.
- To explore the involvement of miR-17∼92 miRNAs in immune responses and their implications in lymphoid malignancies.
Main Methods:
- This review synthesizes existing literature on miRNA function, gene regulation, and immunological pathways.
- Analysis of studies investigating the miR-17∼92 cluster in mouse models and human diseases.
Main Results:
- The miR-17∼92 cluster miRNAs are essential for proper lymphocyte development and adaptive immunity.
- Dysregulation of miR-17∼92 cluster miRNAs, particularly overexpression, is linked to oncogenesis in lymphoid tissues.
- These miRNAs fine-tune Phosphoinositide 3-kinase (PI3K) signaling, critical for lymphocyte homeostasis.
Conclusions:
- The miR-17∼92 cluster plays a dual role in immunity, promoting normal function but also contributing to cancer when overexpressed.
- Understanding miR-17∼92 miRNA regulation is vital for addressing immune disorders and lymphoid cancers.
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