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2022 Fiscal Year Final Research Report

Diagnostic meaning of enterobacillus phenyl acetyl glutamine as uremic toxin in forensic autopsy case.

Research Project

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Project/Area Number 19K10699
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 58040:Forensics medicine-related
Research InstitutionFukuoka University

Principal Investigator

Kubo Shin-ichi  福岡大学, 医学部, 教授 (10205122)

Co-Investigator(Kenkyū-buntansha) 原 健二  福岡大学, 医学部, 講師 (00090738)
ウォーターズ ブライアン  福岡大学, 医学部, 講師 (00609480)
高山 みお  福岡大学, 医学部, 講師 (40804802)
柏木 正之  福岡大学, 医学部, 准教授 (70301687)
松末 綾  福岡大学, 医学部, 講師 (70309920)
池松 夏紀  琉球大学, 医学(系)研究科(研究院), 助教 (20848410)
Project Period (FY) 2019-04-01 – 2023-03-31
Keywordsフェニルアセチルグルタミン / クレアチン / 尿毒素 / 腸内細菌 / 死因 / 法医解剖
Outline of Final Research Achievements

PAG is a metabolite that is excreted in human urine. We are currently studying PAG as a urinary biomarker in forensic autopsy cases. Urine samples were collected from 188 forensic autopsy cases and the urinary PAG concentration was analyzed quantitatively using GC-MS. Statistically, the relationship between urine PAG/Cr, sex, age, postmortem interval, survival duration, and cause of death was statistically analyzed. The median of PAG/Cr was 0.12. The PAG/Cr showed no significant relationship to sex or survival duration. Regarding the cause of death, traumatic brain injuries had a significantly higher ratio than intoxication (p=0.023).When traumatic brain injuries and cerebrovascular accidents are combined as one cause of death group, the PAG/Cr value of CNS damages was not significant but higher than that of intoxication (p=0.062). Urinary PAG/Cr might be a biomarker not only for traumatic brain injuries but also for antemortem CNS damages.

Free Research Field

法医学

Academic Significance and Societal Importance of the Research Achievements

法医剖検診断では、生前の病態を把握することは重要である。尿中PAGについては、尿毒素として知られているが、法医剖検例におけるPAGの意義については知られていない。
本研究は、PAGの法医剖検例における意義を解明することを目的とした。
本研究の成果は、(1)法医剖検例の尿中PAG/Crの濃度を明らかにしてことで学術的な意義がある。(2)尿中PAGが中枢神経障害の指標となる可能性を明らかにした本研究の学術的意義は大きいものと考える。

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Published: 2024-01-30  

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