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Updated: Nov 30, 2025

Identification of Circular RNAs using RNA Sequencing
Published on: November 14, 2019
CircHIPK3: a promising cancer-related circular RNA
Yalu Zhang1, Qiaofei Liu1, Quan Liao1
1Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100730, China.
Abstract:
Circular RNA (circRNA) is a special type of endogenous noncoding RNAs (ncRNAs), and are characterized by a covalently closed loop structure without a 5' cap and poly-adenylated tails. Abnormal expression of circRNAs has been implicated in a wide range of human cancers, where they function as either tumor suppressor genes or oncogenes. CircHIPK3, circRNA homeodomain-interacting protein kinase 3, is associated with human cancers such as lung cancer, bladder cancer, hepatocellular carcinoma, colorectal cancer, osteosarcoma, glioma and prostate cancer, et al. Numerous studies have indicated that circHIPK3 functions as a miRNA sponge to regulate the target genes and exert specific biological effects, including regulation of cell proliferation, invasion, and migration. Furthermore, circHIPK3 is thought to be a novel diagnostic biomarker, therapeutic target, and prognostic biomarker in different cancer types. Here, we reviewed the recent progress of the mechanism and functions of circHIPK3 during the evolution of malignancies.
Insights
Circular RNAs (circRNAs) are unique noncoding RNAs involved in cancer. CircHIPK3, a specific circRNA, shows potential as a diagnostic and prognostic biomarker in various malignancies.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- Circular RNAs (circRNAs) are noncoding RNAs with a distinct looped structure.
- Aberrant circRNA expression is linked to human cancers, acting as oncogenes or tumor suppressors.
- CircHIPK3 (circRNA homeodomain-interacting protein kinase 3) is implicated in multiple cancers.
Purpose of the Study:
- To review the mechanisms and functions of circHIPK3 in cancer progression.
- To highlight circHIPK3's role as a potential biomarker and therapeutic target.
Main Methods:
- Literature review of studies on circHIPK3 and cancer.
- Analysis of circHIPK3's function as a miRNA sponge.
- Examination of circHIPK3's involvement in cell proliferation, invasion, and migration.
Main Results:
- CircHIPK3 acts as a miRNA sponge, regulating target genes.
- CircHIPK3 influences key cancer processes like proliferation and migration.
- CircHIPK3 demonstrates potential as a diagnostic, prognostic, and therapeutic marker.
Conclusions:
- CircHIPK3 plays a significant role in the development and progression of various cancers.
- CircHIPK3 represents a promising target for cancer diagnostics and therapeutics.
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