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Emerging roles and potential application of PIWI-interacting RNA in urological tumors
Jingcheng Zhang1,2, Wentao Zhang1,2, Yuchao Liu1,2
1Department of Urology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
Abstract:
The piRNA (PIWI-interacting RNA) is P-Element induced wimpy testis (PIWI)-interacting RNA which is a small molecule, non-coding RNA with a length of 24-32nt. It was originally found in germ cells and is considered a regulator of germ cell function. It can interact with PIWI protein, a member of the Argonaute family, and play a role in the regulation of gene transcription and epigenetic silencing of transposable factors in the nucleus. More and more studies have shown that piRNAs are abnormally expressed in a variety of cancer tissues and patient fluids, and may become diagnostic tools, therapeutic targets, staging markers, and prognostic evaluation tools for cancer. This article reviews the recent research on piRNA and summarizes the structural characteristics, production mechanism, applications, and its role in urological tumors, to provide a reference value for piRNA to regulate urological tumors.
Insights
PIWI-interacting RNAs (piRNAs) are small non-coding RNAs regulating gene expression and silencing transposable elements. Aberrant piRNA expression in cancers suggests their potential as diagnostic and therapeutic tools, particularly in urological tumors.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- PIWI-interacting RNAs (piRNAs) are small, non-coding RNAs (24-32nt) primarily found in germ cells.
- piRNAs interact with PIWI proteins to regulate gene transcription and epigenetically silence transposable elements in the nucleus.
- Abnormal piRNA expression is increasingly observed in various cancer types and patient biofluids.
Purpose of the Study:
- To review recent research on piRNAs.
- To summarize piRNA structural characteristics and biogenesis.
- To explore piRNA applications and their role in urological tumors.
Main Methods:
- Literature review of recent studies on piRNAs.
- Analysis of piRNA structure, production, and function.
- Examination of piRNA involvement in urological malignancies.
Main Results:
- piRNAs are key regulators of germ cell function and genome stability.
- piRNAs exhibit altered expression patterns in cancerous tissues and fluids.
- piRNAs show potential as biomarkers for cancer diagnosis, prognosis, and therapy.
Conclusions:
- piRNAs possess significant potential as diagnostic and therapeutic targets in oncology.
- Further research into piRNAs' role in urological tumors can inform treatment strategies.
- piRNAs may serve as valuable staging and prognostic markers for cancer patients.
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