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Updated: Jun 10, 2026

MicroRNA Amplification and Recognition through Locked-nucleic-acid In situ Hybridization as a Novel Detection and Quantification Method
Published on: October 7, 2025
The microRNA pathway and cancer.
Pieter Bas Kwak1, Shintaro Iwasaki, Yukihide Tomari
1Institute of Molecular and Cellular Biosciences Department of Medical Genome Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
MicroRNAs (miRNAs) are small RNAs that regulate gene expression and are crucial in biological processes like cancer. This review details miRNA production, their role in the RNA-induced silencing complex (RISC), and their involvement in cancer development.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- MicroRNAs (miRNAs) are key regulators of gene expression.
- They function through post-transcriptional gene silencing.
- miRNAs are implicated in various biological processes, including oncogenesis.
Purpose of the Study:
- To review the biogenesis and function of miRNAs.
- To explain the assembly of miRNAs into the RNA-induced silencing complex (RISC).
- To discuss the role of the miRNA pathway in cancer.
Main Methods:
- Literature review of miRNA biogenesis.
- Analysis of miRNA-RISC complex formation.
- Review of studies on miRNA involvement in cancer.
Main Results:
- miRNAs are processed and loaded into RISC.
- RISC mediates target mRNA silencing.
- Dysregulation of miRNA pathways contributes to cancer.
Conclusions:
- Understanding miRNA pathways is crucial for cancer research.
- miRNAs represent potential therapeutic targets in oncology.
- The miRNA pathway is fundamental to gene regulation and disease.
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