Regulatory Role of Circular RNAs and Neurological Disorders

Floris, Gabriele; Zhang, Longbin; Follesa, Paolo; Sun, Tao

doi:10.1007/s12035-016-0055-4

Cited by 171 publications

(124 citation statements)

References 58 publications

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“…Emerging studies have indicated that circRNAs may play an important role in many diseases, including cancer, diabetes or phlegmonosis . For example, circRNA which derived from the tumor‐suppressor gene Foxo3 has been found to promote cancer cell apoptosis, circZNF292 has been shown to have the property of tumor‐suppressor by negatively regulating progression of cell cycle .…”

Section: Discussionmentioning

confidence: 99%

Comprehensive circular RNA profiling reveals circ_0002060 as a potential diagnostic biomarkers for osteoporosis

Huang

Xie

2019

J of Cellular Biochemistry

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Osteoporosis (OP) is a multifactorial and common bone disease worldwide. The clinical diagnosis and treatment of osteoporosis has limitations since changes in bone density occur slightly. Thus, it is critically needed to look for new biomarkers to identify and cure osteoporosis. CircRNAs are important molecular regulators that participate in various biological processes and present tremendous therapeutic potential. The role of circRNAs in osteoporosis remains largely unknown. Here, we explore the expression of circRNAs in osteoporosis using microarray analysis, and identify potential circRNAs associated with osteoporosis by quantitative reverse transcription‐polymerase chain reaction (qRT‐PCR) validation and statistical analysis in clinical samples. As a result, circ_0006873 and circ_0002060 were found to be significantly upregulated between nonosteoporotic controls and osteoporosis patients (n = 40, respectively). Pearson correlation analysis showed that the level of circ_0006873 and circ_0002060 were associated with the low‐bone mineral density in patients with osteoporosis. Furthermore, ROC analysis indicated that circ_0002060 showed potential diagnostic value for osteoporosis. Taken together results using bioinformatics, experimental analysis, and disease models, we revealed that circ_0002060 could be used as potential diagnostic biomarker and therapeutic target in osteoporosis

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Section: Discussionmentioning

confidence: 99%

Comprehensive circular RNA profiling reveals circ_0002060 as a potential diagnostic biomarkers for osteoporosis

Huang

Xie

2019

J of Cellular Biochemistry

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“…Moreover, circRNAs are preferentially expressed in neural tissues along neural genes [18] that are associated with various diseases in the central nervous system (CNS), such as AD, PD and ischaemia [19][20][21]. CircRNA CDR1as, an antisense transcript of CDR1, was reported to be involved with the pathogenesis of PD [20].…”

Section: Introductionmentioning

confidence: 99%

The Differentially Expressed Circular RNAs in the Substantia Nigra and Corpus Striatum of Nrf2-Knockout Mice

Yang¹,

Zhang²,

Lin³

et al. 2018

Cell Physiol Biochem

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Background/Aims: The nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response element (ARE) pathway plays a protective role in both acute neuronal damage and chronic neurodegeneration-related oxidative stress. Circular RNAs (circRNAs) are involved with various diseases in the central nervous system (CNS). This study aimed to identify the key circRNAs involved in Nrf2-neuroprotection against oxidative stress. Methods: The differentially expressed circRNAs (DEcircRNAs) in the substantia nigra and corpus striatum between Nrf2 (-/-) and Nrf2 (+/+) mice were identified by microarray analysis. Quantitative real-time polymerase chain reaction (qRT-PCR) was then used to validate the expression of selected DEcircRNAs in the substantia nigra and corpus striatum between Nrf2 (-/-) and Nrf2 (+/+) mice. Based on our previous microarray analysis of the differentially expressed mRNAs (DEmRNAs) in the substantia nigra and corpus striatum between Nrf2 (-/-) and Nrf2 (+/+) mice, the DEcircRNA-miRNA-DEmRNA interaction network was constructed. Functional annotation of DEmRNAs that shared the same binding miRNAs with DEcircRNAs was performed using gene ontology (GO) and pathway analyses. Results: A total of 65 and 150 significant DEcircRNAs were obtained in the substantia nigra and corpus striatum of Nrf2 (-/-) mice, respectively, and seventeen shared DEcircRNAs were found in both these two tissues. The qRT-PCR results were generally consistent with the microarray results. The DEcircRNA-miRNA-DEmRNA interaction network and pathway analysis indicated that mmu_circRNA_34132, mmu_circRNA_017077 and mmu-circRNA-015216 might be involved with Nrf2-mediated neuroprotection against oxidative stress. Mmu_circRNA_015216 and mmu_circRNA_017077 might play roles in the Nrf2-related transcriptional misregulation and Nrf2-mediated processes of rheumatoid arthritis, respectively. In addition to these two processes, mmu_circRNA_34132 may be a potential regulator of Nrf2-mediated protection for diabetes mellitus and Nrf2-mediated defence against ROS in hearts. Conclusion: In conclusion, our study identified the key DEcircRNAs in the substantia nigra and corpus striatum of Nrf2 (-/-) mice, which might provide new clues for further exploring the mechanism of Nrf2-mediated neuroprotection against oxidative stress and other Nrf2-mediated processes.

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“…The presence of abundant circRNAs in saliva, exosomes and blood samples will make them potential diagnostic or predictive biomarkers for diseases, particularly for cancer development, progression and prognosis. Based on the current knowledge of circular RNAs, these molecules have the potential to be the "next big thing" in the omics research (119–120). …”

Section: Epigenetics and Environmentmentioning

confidence: 99%

Future of environmental research in the age of epigenomics and exposomics

Holland¹

2017

Reviews on Environmental Health

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Abstract Environmental research and public health in the 21st century face serious challenges such as increased air pollution and global warming, widespread use of potentially harmful chemicals including pesticides, plasticizers, and other endocrine disruptors, and radical changes in nutrition and lifestyle typical of modern societies. In particular, exposure to environmental and occupational toxicants may contribute to the occurrence of adverse birth outcomes, neurodevelopmental deficits, and increased risk of cancer and other multifactorial diseases such as diabetes and asthma. Rapidly evolving methodologies of exposure assessment and the conceptual framework of the Exposome, first introduced in 2005, are new frontiers of environmental research. Metabolomics and adductomics provide remarkable opportunities for a better understanding of exposure and prediction of potential adverse health outcomes. Metabolomics, the study of metabolism at whole-body level, involves assessment of the total repertoire of small molecules present in a biological sample, shedding light on interactions between gene expression, protein expression, and the environment. Advances in genomics, transcriptomics, and epigenomics are generating multidimensional structures of biomarkers of effect and susceptibility, increasingly important for the understanding of molecular mechanisms and the emergence of personalized medicine. Epigenetic mechanisms, particularly DNA methylation and miRNA expression, attract increasing attention as potential links between the genetic and environmental determinants of health and disease. Unlike genetics, epigenetic mechanisms could be reversible and an understanding of their role may lead to better protection of susceptible populations and improved public health.

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Regulatory Role of Circular RNAs and Neurological Disorders

Cited by 171 publications

References 58 publications

Comprehensive circular RNA profiling reveals circ_0002060 as a potential diagnostic biomarkers for osteoporosis

Comprehensive circular RNA profiling reveals circ_0002060 as a potential diagnostic biomarkers for osteoporosis

The Differentially Expressed Circular RNAs in the Substantia Nigra and Corpus Striatum of Nrf2-Knockout Mice

Future of environmental research in the age of epigenomics and exposomics

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