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Updated: Oct 5, 2025

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Published on: June 28, 2018
CircPVT1: a pivotal circular node intersecting Long Non-Coding-PVT1 and c-MYC oncogenic signals
Alina Catalina Palcau1, Valeria Canu1, Sara Donzelli1
1Oncogenomic and Epigenetic Unit, IRCCS, Regina Elena National Cancer Institute, Via Elio Chianesi, 53, 00144, Rome, Italy.
Circular RNAs (circRNAs) show promise as cancer biomarkers due to their stability. CircPVT1, derived from the PVT1 gene, plays a key role in oncogenesis through microRNA sponging and interaction with lncPVT1 and c-MYC.
Area of Science:
- Molecular Biology
- Oncology
- Biochemistry
Background:
- Circular RNAs (circRNAs) are increasingly recognized for their roles in disease pathogenesis and therapeutic potential.
- Their stability and presence in body fluids make them promising diagnostic and prognostic markers.
- CircPVT1, originating from the PVT1 gene, is a notable circRNA involved in cancer.
Purpose of the Study:
- To review the origin and biogenesis of circPVT1.
- To highlight the mechanisms by which circPVT1 contributes to oncogenesis.
- To explore the relationship between circPVT1, lncPVT1, and c-MYC in cancer development.
Main Methods:
- Literature review of circPVT1 origin, biogenesis, and function.
- Analysis of circPVT1's role as a microRNA sponge.
- Investigation of circPVT1's interaction with lncPVT1 and c-MYC.
Main Results:
- CircPVT1 originates from the circularization of exon 2 of the PVT1 gene.
- CircPVT1 acts as a microRNA sponge, influencing gene expression.
- CircPVT1 exhibits a complex regulatory relationship with lncPVT1 and the oncogene c-MYC.
Conclusions:
- CircPVT1 plays a fundamental role in oncogenesis through multiple mechanisms.
- The interplay between circPVT1, lncPVT1, and c-MYC offers insights into cancer development.
- CircPVT1 represents a potential target for innovative cancer therapies and diagnostics.
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