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Zhang D, Ma Y, Naz M, Ahmed N, Zhang L, Zhou JJ, Yang D, Chen Z. Advances in CircRNAs in the Past Decade: Review of CircRNAs Biogenesis, Regulatory Mechanisms, and Functions in Plants. Genes (Basel) 2024; 15:958. [PMID: 39062737 PMCID: PMC11276256 DOI: 10.3390/genes15070958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/12/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Circular RNA (circRNA) is a type of non-coding RNA with multiple biological functions. Whole circRNA genomes in plants have been identified, and circRNAs have been demonstrated to be widely present and highly expressed in various plant tissues and organs. CircRNAs are highly stable and conserved in plants, and exhibit tissue specificity and developmental stage specificity. CircRNAs often interact with other biomolecules, such as miRNAs and proteins, thereby regulating gene expression, interfering with gene function, and affecting plant growth and development or response to environmental stress. CircRNAs are less studied in plants than in animals, and their regulatory mechanisms of biogenesis and molecular functions are not fully understood. A variety of circRNAs in plants are involved in regulating growth and development and responding to environmental stress. This review focuses on the biogenesis and regulatory mechanisms of circRNAs, as well as their biological functions during growth, development, and stress responses in plants, including a discussion of plant circRNA research prospects. Understanding the generation and regulatory mechanisms of circRNAs is a challenging but important topic in the field of circRNAs in plants, as it can provide insights into plant life activities and their response mechanisms to biotic or abiotic stresses as well as new strategies for plant molecular breeding and pest control.
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Affiliation(s)
- Dongqin Zhang
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China; (D.Z.); (M.N.); (N.A.); (L.Z.); (J.-J.Z.); (D.Y.)
| | - Yue Ma
- College of Agriculture, Guizhou University, Guiyang 550025, China;
| | - Misbah Naz
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China; (D.Z.); (M.N.); (N.A.); (L.Z.); (J.-J.Z.); (D.Y.)
| | - Nazeer Ahmed
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China; (D.Z.); (M.N.); (N.A.); (L.Z.); (J.-J.Z.); (D.Y.)
| | - Libo Zhang
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China; (D.Z.); (M.N.); (N.A.); (L.Z.); (J.-J.Z.); (D.Y.)
| | - Jing-Jiang Zhou
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China; (D.Z.); (M.N.); (N.A.); (L.Z.); (J.-J.Z.); (D.Y.)
- Medical Research Council Mitochondrial Biology Unit, University of Cambridge, Cambridge CB2 0XY, UK
| | - Ding Yang
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China; (D.Z.); (M.N.); (N.A.); (L.Z.); (J.-J.Z.); (D.Y.)
| | - Zhuo Chen
- Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China; (D.Z.); (M.N.); (N.A.); (L.Z.); (J.-J.Z.); (D.Y.)
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Drula R, Braicu C, Neagoe IB. Current advances in circular RNA detection and investigation methods: Are we running in circles? WILEY INTERDISCIPLINARY REVIEWS. RNA 2024; 15:e1850. [PMID: 38702943 DOI: 10.1002/wrna.1850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 03/30/2024] [Accepted: 04/01/2024] [Indexed: 05/06/2024]
Abstract
Circular RNAs (circRNAs), characterized by their closed-loop structure, have emerged as significant transcriptomic regulators, with roles spanning from microRNA sponging to modulation of gene expression and potential peptide coding. The discovery and functional analysis of circRNAs have been propelled by advancements in both experimental and bioinformatics tools, yet the field grapples with challenges related to their detection, isoform diversity, and accurate quantification. This review navigates through the evolution of circRNA research methodologies, from early detection techniques to current state-of-the-art approaches that offer comprehensive insights into circRNA biology. We examine the limitations of existing methods, particularly the difficulty in differentiating circRNA isoforms and distinguishing circRNAs from their linear counterparts. A critical evaluation of various bioinformatics tools and novel experimental strategies is presented, emphasizing the need for integrated approaches to enhance our understanding and interpretation of circRNA functions. Our insights underscore the dynamic and rapidly advancing nature of circRNA research, highlighting the ongoing development of analytical frameworks designed to address the complexity of circRNAs and facilitate the assessment of their clinical utility. As such, this comprehensive overview aims to catalyze further advancements in circRNA study, fostering a deeper understanding of their roles in cellular processes and potential implications in disease. This article is categorized under: RNA Methods > RNA Nanotechnology RNA Methods > RNA Analyses in Cells RNA Methods > RNA Analyses In Vitro and In Silico.
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Affiliation(s)
- Rareș Drula
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Cornelia Braicu
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ioana-Berindan Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Goina CA, Goina DM, Farcas SS, Andreescu NI. The Role of Circular RNA for Early Diagnosis and Improved Management of Patients with Cardiovascular Diseases. Int J Mol Sci 2024; 25:2986. [PMID: 38474233 DOI: 10.3390/ijms25052986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/27/2024] [Accepted: 03/02/2024] [Indexed: 03/14/2024] Open
Abstract
Cardiovascular diseases (CVDs) are responsible for approximately 17.9 million deaths every year. There is growing evidence that circular RNAs (circRNAs) may play a significant role in the early diagnosis and treatment of cardiovascular diseases. As regulatory molecules, circular RNAs regulate gene expression, interact with proteins and miRNAs, and are translated into proteins that play a key role in a wide variety of biological processes, including the division and proliferation of cells, as well as the growth and development of individuals. An overview of the properties, expression profiles, classification, and functions of circRNAs is presented here, along with an explanation of their implications in cardiovascular diseases including heart failure, hypertension, ischemia/reperfusion injury, myocardial infarction, cardiomyopathies, atherosclerosis, and arrhythmia.
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Affiliation(s)
- Claudia Alexandrina Goina
- Doctoral School, Discipline of Genetics, "Victor Babes" University of Medicine and Pharmacy, Piata Eftimie Murgu 2, 300041 Timisoara, Romania
| | - Daniela Marcela Goina
- Faculty of Animal Husbandry and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine of Banat, Calea Aradului 119, 300645 Timisoara, Romania
| | - Simona Sorina Farcas
- Department of Microscopic Morphology, Discipline of Genetics, Genomic Medicine Centre, "Victor Babeș" University of Medicine and Pharmacy, Piata Eftimie Murgu 2, 300041 Timisoara, Romania
| | - Nicoleta Ioana Andreescu
- Department of Microscopic Morphology, Discipline of Genetics, Genomic Medicine Centre, "Victor Babeș" University of Medicine and Pharmacy, Piata Eftimie Murgu 2, 300041 Timisoara, Romania
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Fraboulet RM, Si Ahmed Y, Aubry M, Corre S, Galibert MD, Blum Y. Cirscan: a shiny application to identify differentially active sponge mechanisms and visualize circRNA-miRNA-mRNA networks. BMC Bioinformatics 2024; 25:53. [PMID: 38302900 PMCID: PMC10832221 DOI: 10.1186/s12859-024-05668-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/22/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Non-coding RNAs represent a large part of the human transcriptome and have been shown to play an important role in disease such as cancer. However, their biological functions are still incompletely understood. Among non-coding RNAs, circular RNAs (circRNAs) have recently been identified for their microRNA (miRNA) sponge function which allows them to modulate the expression of miRNA target genes by taking on the role of competitive endogenous RNAs (ce-circRNAs). Today, most computational tools are not adapted to the search for ce-circRNAs or have not been developed for the search for ce-circRNAs from user's transcriptomic data. RESULTS In this study, we present Cirscan (CIRcular RNA Sponge CANdidates), an interactive Shiny application that automatically infers circRNA-miRNA-mRNA networks from human multi-level transcript expression data from two biological conditions (e.g. tumor versus normal conditions in the case of cancer study) in order to identify on a large scale, potential sponge mechanisms active in a specific condition. Cirscan ranks each circRNA-miRNA-mRNA subnetwork according to a sponge score that integrates multiple criteria based on interaction reliability and expression level. Finally, the top ranked sponge mechanisms can be visualized as networks and an enrichment analysis is performed to help its biological interpretation. We showed on two real case studies that Cirscan is capable of retrieving sponge mechanisms previously described, as well as identifying potential novel circRNA sponge candidates. CONCLUSIONS Cirscan can be considered as a companion tool for biologists, facilitating their ability to prioritize sponge mechanisms for experimental validations and identifying potential therapeutic targets. Cirscan is implemented in R, released under the license GPL-3 and accessible on GitLab ( https://gitlab.com/geobioinfo/cirscan_Rshiny ). The scripts used in this paper are also provided on Gitlab ( https://gitlab.com/geobioinfo/cirscan_paper ).
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Affiliation(s)
- Rose-Marie Fraboulet
- Univ Rennes, CNRS, INSERM, IGDR (Institut de Genetique et Developpement de Rennes) - UMR 6290, ERL U1305, Equipe Labellisée Ligue Nationale contre le Cancer, 35000, Rennes, France
| | - Yanis Si Ahmed
- Univ Rennes, CNRS, INSERM, IGDR (Institut de Genetique et Developpement de Rennes) - UMR 6290, ERL U1305, Equipe Labellisée Ligue Nationale contre le Cancer, 35000, Rennes, France
| | - Marc Aubry
- INSERM, OSS (Oncogenesis Stress Signaling), UMR-S 1242, CLCC Eugene Marquis, Univ Rennes 1, 35000, Rennes, France
| | - Sebastien Corre
- Univ Rennes, CNRS, INSERM, IGDR (Institut de Genetique et Developpement de Rennes) - UMR 6290, ERL U1305, Equipe Labellisée Ligue Nationale contre le Cancer, 35000, Rennes, France
| | - Marie-Dominique Galibert
- Univ Rennes, CNRS, INSERM, IGDR (Institut de Genetique et Developpement de Rennes) - UMR 6290, ERL U1305, Equipe Labellisée Ligue Nationale contre le Cancer, 35000, Rennes, France
- Department of Molecular Genetics and Genomics, Hospital University of Rennes (CHU Rennes), 35000, Rennes, France
| | - Yuna Blum
- Univ Rennes, CNRS, INSERM, IGDR (Institut de Genetique et Developpement de Rennes) - UMR 6290, ERL U1305, Equipe Labellisée Ligue Nationale contre le Cancer, 35000, Rennes, France.
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