ArticleScientific reports2024
LncRNA MSTRG.13,871/miR155-5p/Grip1 network involved in the post-cardiac arrest brain injury.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Post-cardiac arrest brain (PCABI) is a severe medical condition characterized by a significant risk of neurological impairment and death. Nevertheless, the specific process and essential molecules responsible for its development are not fully understood. Profiling based on competing endogenous RNAs (ceRNA) has been implicated in the onset and progression of neurological disorders, yet its role in PCABI remains unclear. In this study, we performed RNA transcriptome sequencing analysis to identify differentially expressed genes in the rat model for cardiac arrest and cardiopulmonary resuscitation (CA/CPR). A hub ceRNA regulatory network was constructed using miRWalk 2.0 and Cytohubba plug-in in Cytoscape. Subsequently, real-time quantitative reverse transcription-polymerase chain reaction and dual-luciferase activity assays validated MSTRG.13,871, miR-155-5p, and Grip1 as differentially expressed in CA/CPR group, with MSTRG.13,871 capable of targeting both miR-155-5p and Grip1. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses revealed the ceRNA network enrichment in immunoregulation mechanisms such as mitochondrion, apoptotic process, and negative regulation cell death. Our research highlights the mechanism of PCABI by revealing a critical regulatory axis involving MSTRG.13,871-miR-155-5p-Grip1 in the hippocampus CA1 region after CA/CPR in rats, proposing a feasible controlled mechanism, which may serve as a theoretical basis for designing innovative therapies.
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