Circular RNA Biology and Roles in Diseases

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Biochemistry and Molecular Biology".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1885

Special Issue Editors


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Guest Editor
Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
Interests: circRNAs; RNA biology; cardiovascular disease
Department of Biochemistry, Faculty of Pharmacy, Sivas Cumhuriyet University, Sivas 58010, Turkey
Interests: biology; circRNAs; non-coding RNAs

Special Issue Information

Dear Colleagues,

Circular RNAs (circRNAs) are a class of endogenous, non-coding RNA molecules that contain single-stranded transcripts that can covalently construct circular closed structures. circRNAs are extensively expressed in the human body in tissue-disease and developmental-stage-specific manners and play a vital role in the pathogenesis and progression of human diseases. circRNAs can act as microRNA (miRNA) sponges, interact with RNA-binding proteins (RBPs), regulate gene transcription, and even directly regulate gene expression through coding proteins. The emergence of biological functions of circRNAs has brought a new perspective to our understanding of cellular physiology and disease pathogenesis. However, the mechanisms of circRNA biogenesis are still quite unclear, and further studies are needed on the regulation and functions of these molecules in healthy tissues and diseases.

The aim of this Special Issue is to provide an important overview of the relationship between the biology of circRNAs and diseases. With the rapid advancement of circRNA studies and RNA-related technologies, our knowledge of the relationship between circRNA and diseases is constantly evolving. Although there are still many unanswered questions regarding the biology of circular RNAs and the mechanisms governing their gene regulation, significant advances have been made in this field that have increased our knowledge of circRNAs.

This Special Issue aims to discuss the critical roles of circRNAs in the progression of different diseases, highlighting the underlying mechanisms of circRNAs. Additionally, the focus is on the biogenesis of circRNAs and uncovering central aspects of circRNA biogenesis and biology.

We look forward to receiving your contributions.

Dr. Nan Wu
Dr. Sema Misir
Guest Editors

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Keywords

  • RNA biology
  • diseases
  • circRNAs

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Published Papers (1 paper)

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Research

19 pages, 5288 KiB  
Article
Identification of a Novel hsa_circ_0058058/miR-324-5p Axis and Prognostic/Predictive Molecules for Acute Myeloid Leukemia Outcome by Bioinformatics-Based Analysis
by Sema Misir, Serap Ozer Yaman, Nina Petrović, Ahmad Šami, Osman Akidan, Ceylan Hepokur and Yuksel Aliyazicioglu
Biology 2024, 13(7), 487; https://doi.org/10.3390/biology13070487 - 30 Jun 2024
Cited by 2 | Viewed by 1501
Abstract
Acute myeloid leukemia (LAML) is one of the most prevalent hematological malignancies. In recent years, while targeted approaches have shown promise in the fight against cancer, the treatability and prognosis of patients remain inadequate due to the shortage of drugs. Noncoding RNAs, especially [...] Read more.
Acute myeloid leukemia (LAML) is one of the most prevalent hematological malignancies. In recent years, while targeted approaches have shown promise in the fight against cancer, the treatability and prognosis of patients remain inadequate due to the shortage of drugs. Noncoding RNAs, especially circular RNA (circRNA) and microRNA (miRNA), have been shown to play a unique role in tumor development. This study aims to identify the disease-associated circRNA–miRNA–mRNA network by bioinformatic analysis and investigate the mechanisms in the development and progression of LAML. Additionally, it reveals the promising roles of these molecules as a diagnostic biomarker and therapeutic target for LAML treatment. Using various bioinformatics approaches, we identified the hsa_circ_0058058/miR-324-5p axis in LAML and its possible functions in LAML development. According to our results, hsa circ-0058058 can regulate the expression of AP1G1 and SP1 through miR-324-5p to support angiogenesis, the cell cycle, and DNA replication processes. Downregulation of hsa circ-0058058 may contribute to the anticancer functions of miR-324-5p on LAML tumorigenesis, and upregulation of miR-324-5p can abolish the oncogenic effects of AP1G1 and SP1 on LAML tumorigenesis. Additionally, highly enriched pathways indicated possible interactions between molecules underlying LAML pathology. Targeted molecules within this network may be able to function as therapeutic and diagnostic biomarkers for disease, while more research and clinical confirmation are needed. Full article
(This article belongs to the Special Issue Circular RNA Biology and Roles in Diseases)
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