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2014 Fiscal Year Final Research Report

Genetic background of sudden cardiac death in forensic autopsy cases.

Research Project

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Project/Area Number 24590852
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Legal medicine
Research InstitutionUniversity of Toyama

Principal Investigator

HATA Yukiko  富山大学, 大学院医学薬学研究部(医学), 助教 (30311674)

Co-Investigator(Kenkyū-buntansha) NISHIDA Naoki  富山大学, 大学院医学薬学研究部(医学), 教授 (10315088)
KINOSHITA Koshi  富山大学, 大学院医学薬学研究部(医学), 助教 (10585920)
MORI Hisashi  富山大学, 大学院医学薬学研究部(医学), 教授 (00239617)
Project Period (FY) 2012-04-01 – 2015-03-31
Keywords心臓突然死 / チャネル異常症 / 心筋症 / 法医剖検例
Outline of Final Research Achievements

The adequate assessment of the causes of sudden cardiac death (SCD) is importance. An arrhythmia-related gene analysis may potentially provide a pathogenic basis for SCD and establish cause and manner of death.
In this molecular analysis for SCD cases, over one-third of subjects had arrhythmia-related gene variant. This suggests that arrhythmia mutations and/or susceptibility polymorphisms identified in the present study might represent risk factors for arrhythmias in subjects and involved in part of the pathogenesis of SCD. Furthermore, we identified a novel hERG frameshift mutation in a patient who died from SCD. The mutation decreased the number of functional channels presumably by impairing the post-transcriptional processing of the mutant product. This decrease may explain, at least in part, the cause of SCD.
Our findings provide deeper insight into the current understanding of the contribution of variants of the arrhythmia-related genes among subjects with SCD.

Free Research Field

法医学

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Published: 2016-06-03  

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