Circular RNAs (circRNAs) were only recently discovered as a new class of noncoding RNAs, functionally still largely uncharacterized. Three publications that appeared concurrently in Cell Research and Molecular Cell provide initial evidence for certain endogenous circRNAs coding for proteins.
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Unveiling new therapeutic horizons in rheumatoid arthritis: an In-depth exploration of circular RNAs derived from plasma exosomes.
J Orthop Surg Res
January 2025
Department of Rheumatology and Immunology, Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou, Jiangsu, 225000, China.
Rheumatoid arthritis (RA), a chronic inflammatory joint disease causing permanent disability, involves exosomes, nanosized mammalian extracellular particles. Circular RNA (circRNA) serves as a biomarker in RA blood samples. This research screened differentially expressed circRNAs in RA patient plasma exosomes for novel diagnostic biomarkers.
View Article and Find Full Text PDFHsa_circ_0001304 promotes vascular neointimal hyperplasia accompanied by autophagy activation.
Commun Biol
January 2025
Department of Biochemistry and Molecular Biology, Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Key Laboratory of Forensic Medicine, Hebei Medical University, Shijiazhuang, 050017, China.
Aberrant autophagy in vascular smooth muscle cells (VSMCs) is associated with the progression of vascular remodeling diseases caused by neointimal hyperplasia. Platelet-derived growth factor-BB (PDGF-BB)-induced vascular remodeling is accompanied by autophagy activation, however, the involvement of circular RNAs (circRNAs) remains unclear. Here, we show the role of PDGF-BB-regulated hsa_circ_0001304 (circ-1304) in neointimal hyperplasia and its potential involvement in VSMC autophagy, while also elucidating the potential mechanisms.
View Article and Find Full Text PDFEvaluation of the role of circular RNA (circ-FAF1) as a diagnostic biomarker for breast cancer in a cohort of Egyptian breast cancer patients.
Mol Biol Rep
January 2025
Department of Clinical Pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt.
Background: The identification of circulating potential biomarkers may help earlier diagnosis of breast cancer, which is critical for effective treatment and better disease outcomes. We aimed to study the role of circ-FAF1 as a diagnostic biomarker in female breast cancer using peripheral blood samples of these patients, and to investigate the relation between circ-FAF1 and different clinicopathological features of the included patients.
Methods And Results: This case-control study enrolled 60 female breast cancer patients and 60 age-matched healthy control subjects.
Advancing Cancer Diagnosis and Treatment: Integrating Molecular Biomarkers and Emerging Technologies.
Biomed J
January 2025
Department of Biomedical Sciences, Arthur Dugoni School of Dentistry, University of the Pacific, San Francisco, CA, USA. Electronic address:
Cancer biomarkers can be derived from tumor cells or neighboring cells within the tumor microenvironment. Over the past few decades, various molecular markers, including DNA (mutations, copy number variations), RNA (mRNA, microRNA, circular RNA), proteins, and metabolites, have been identified with the aid of rapidly evolving technologies. Some of these markers have demonstrated potential clinical utility, while others have provided new insights into the deregulation of normal molecular and cellular processes that lead to tumorigenesis.
View Article and Find Full Text PDFHsa_circ_0000105 promotes nasopharyngeal carcinoma malignancy by miR-541-3p/S100A11 axis.
Clinics (Sao Paulo)
January 2025
Department of Clinical Oncology Center, Radiotherapy Ward 3, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning City, Guangxi Zhuang Autonomous Region, China.
Objective: This study was to investigate whether hsa_circ_0000105 is involved in the process of regulating Nasopharyngeal Carcinoma (NPC) biological behaviors and to reveal the molecular mechanism.
Methods: NPC tissues and normal tissues were collected, and NPC cell lines and normal control cell lines were obtained. hsa_circ_0000105/miR-541-3p/S100A11 was evaluated by RT-qPCR or Western blot.
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