Expression Profiles and Functional Analysis of Plasma Exosomal Circular RNAs in Acute Myocardial Infarction.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:36221294", "kind": "science-record", "revision": 5, "content_hash": "sha256:5906bea7fb50630ed583eceefc8f8049dc498391574807a48e0fbe1a94c943ad", "created_at": "2026-11-01T18:15:34Z", "updated_at": "2026-11-01T22:50:19Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "Expression Profiles and Functional Analysis of Plasma Exosomal Circular RNAs in Acute Myocardial Infarction.", "doi": "10.1155/2022/3458227", "pmid": "36221294", "authors": ["Guo-Dong He", "Jie Li", "Zhi-Qiang Nie", "Shuo Sun", "Ying-Qing Feng", "Yu-Qing Huang"], "journal": "BioMed research international", "year": 2022, "abstract": "Acute myocardial infarction (AMI) is a common cardiovascular disease with high rates of morbidity and mortality globally. The dysregulation of circular RNAs (circRNAs) has been shown to be closely related to various pathological aspects of AMI. However, the function of exosomal circRNAs in AMI has yet to be investigated. The purpose of this study was to investigate the expression profiles of plasma exosomal circRNAs in AMI and explore their potential functionality. The expression profiles of plasma exosomal circRNAs in patients with AMI, stable coronary heart atherosclerotic disease (CAD), and healthy controls were obtained from a GEO expression dataset (GSE159657). We also analyzed bioinformatics functionality, potential pathways, and interaction networks related to the microRNAs associated with the differentially expressed circRNAs. A total of 253 exosomal circRNAs (184 up- and 69 down-regulated) and 182 exosomal circRNAs (94 up- and 88 down-regulated) were identified as being differentially expressed between the control group and the AMI and CAD patients, respectively. Compared with the CAD group, 231 different exosomal circRNAs (177 up- and 54 down-regulated) were identified in the AMI group. Functional analysis suggested that the parental genes of exosomal has_circ_0061776 were significantly enriched in the biological process of lysine degradation. Pathway interaction network analysis further indicated that exosomal has_circ_0061776 was associated with has-miR-133a, has-miR-214, has-miR-423, and has-miR-217 and may play a role in the pathogenesis of AMI through the MAPK signaling pathway. This study identified the differential expression and functionality of exosomal circRNAs in AMI and provided further understanding of the potential pathogenesis of an exosomal circRNA-related competing endogenous RNA (ceRNA) network in AMI.", "claims": [{"id": "claim-method", "statement": "We applied DESeq2 algorithm to filter the differentially expressed genes, after the significant analysis and FDR analysis under the following criteria: log2 fold change ≥ |1.0| at statistical significance of P < 0.05.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:36221294", "locator": "sections[5] \"2.3. 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