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Erschienen in: International Journal of Legal Medicine 5/2018

22.01.2018 | Original Article

Forensic application of epidermal AQP3 expression to determination of wound vitality in human compressed neck skin

verfasst von: Yuko Ishida, Yumi Kuninaka, Mizuho Nosaka, Emi Shimada, Satoshi Hata, Hiroki Yamamoto, Yumiko Hashizume, Akihiko Kimura, Fukumi Furukawa, Toshikazu Kondo

Erschienen in: International Journal of Legal Medicine | Ausgabe 5/2018

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Abstract

In forensic practices, it is often difficult to determine wound vitality in compression marks of the neck with naked eyes. AQP1 and AQP3 are the major water channels associated with skin. Thus, we immunohistochemically examined the expression of AQP1 and AQP3 in neck skin samples to discuss their forensic applicability to determination of the wound vitality. Skin samples were obtained from 56 neck compression cases (hanging, 35 cases; strangulation, 21 cases). The intact skin from the same individual was taken as a control. Although AQP1 was immnunostained in dermal capillaries in both the neck compression marks and intact skin samples, there was no significant difference in the magnitude of AQP1 expression between both groups. On the contrary, AQP3-positive signals could be faintly detected in uninjured skin samples, and the positive signals seemed more intense in the keratinocytes in compression regions. Morphometrical analyses revealed that the ratio of AQP3-expressed keratinocytes was significantly enhanced in neck compression regions, compared with control groups. From the viewpoints of forensic pathology, immunohistochemical detection of AQP3 in the neck skin can be considered a valuable marker to diagnose the trace of antemortem compression.
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Metadaten
Titel
Forensic application of epidermal AQP3 expression to determination of wound vitality in human compressed neck skin
verfasst von
Yuko Ishida
Yumi Kuninaka
Mizuho Nosaka
Emi Shimada
Satoshi Hata
Hiroki Yamamoto
Yumiko Hashizume
Akihiko Kimura
Fukumi Furukawa
Toshikazu Kondo
Publikationsdatum
22.01.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
International Journal of Legal Medicine / Ausgabe 5/2018
Print ISSN: 0937-9827
Elektronische ISSN: 1437-1596
DOI
https://doi.org/10.1007/s00414-018-1780-1

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