Journal
GENES
Volume 14, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/genes14061265
Keywords
forensic genomics; autopsy; unexpected death; sudden death; sudden cardiac death; coronary artery disease
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In this study, a case-control analysis was conducted through post-mortem genome-wide screening to identify genetic markers associated with SCD. A high number of novel genetic variants were found, with 25 polymorphisms consistent with a link to cardiovascular diseases. Existing research has confirmed the associations between many genes, cardiovascular system functioning, and diseases, as well as the potential risk factors involving lipid, cholesterol, arachidonic acid, and drug metabolisms in SCD. Further investigations are needed to validate the novelty of these results.
Sudden cardiac death (SCD) is an unexpected natural death due to cardiac causes, usually happening within one hour of symptom manifestation or in individuals in good health up to 24 h before the event. Genomic screening has been increasingly applied as a useful approach to detecting the genetic variants that potentially contribute to SCD and helping the evaluation of SCD cases in the post-mortem setting. Our aim was to identify the genetic markers associated with SCD, which might enable its target screening and prevention. In this scope, a case-control analysis through the post-mortem genome-wide screening of 30 autopsy cases was performed. We identified a high number of novel genetic variants associated with SCD, of which 25 polymorphisms were consistent with a previous link to cardiovascular diseases. We ascertained that many genes have been already linked to cardiovascular system functioning and diseases and that the metabolisms most implicated in SCD are the lipid, cholesterol, arachidonic acid, and drug metabolisms, suggesting their roles as potential risk factors. Overall, the genetic variants pinpointed herein might be useful markers of SCD, but the novelty of these results requires further investigations.
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