2001
DOI: 10.1016/s0379-0738(01)00608-9
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Delimitation of the time of death by immunohistochemical detection of glucagon in pancreatic α-cells

Abstract: To improve the possibilities of delimitating the time of death after longer laytime it was examined if this is possible by immunohistochemical glucagon detection. The results show that in our examination material the pancreatic alpha-cells of up to 6-day-old corpses produce a positive immunoreaction towards glucagon in all cases whereas none of the corpses older than 14 days show such a reaction. This means that in the case of a negative immunoreaction the time of death can be assumed to lie more than 7 days b… Show more

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Cited by 28 publications
(20 citation statements)
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“…Earlier studies on the delimitation of the time since death by immunohistochemical staining of inner organs detecting, for example, insulin,9 thyroglobulin,10 glucagon,11 and calcitonin12 in forensic corpses stated that it was possible to define a maximum time since death in case of a negative reaction. The authors described a time-dependent loss of stainability within the different immunoreactions which was influenced by external factors, such as cause of death or surrounding conditions of the individual case.…”
Section: Discussionmentioning
confidence: 99%
“…Earlier studies on the delimitation of the time since death by immunohistochemical staining of inner organs detecting, for example, insulin,9 thyroglobulin,10 glucagon,11 and calcitonin12 in forensic corpses stated that it was possible to define a maximum time since death in case of a negative reaction. The authors described a time-dependent loss of stainability within the different immunoreactions which was influenced by external factors, such as cause of death or surrounding conditions of the individual case.…”
Section: Discussionmentioning
confidence: 99%
“…Earlier studies on the delimitation of the time since death by immunohistochemical staining of inner organs detecting, for example, insulin,11 thyroglobulin,12 glucagon13 and calcitonin14 in forensic corpses stated that it was possible to at least define a maximum time since death in the case of a negative reaction. In these studies, the authors described a time-dependent loss of stainability within the different immunoreactions which was also influenced by various external factors such as cause of death or surrounding conditions of the individual case.…”
Section: Discussionmentioning
confidence: 99%
“…El diagnóstico del IPM consiste en identificar los cambios físico-químicos que se presentan en el cadáver, y las técnicas tradicionales utilizadas son empíricas, basadas principalmente en cambios predecibles que ocurren dentro del cuerpo después de la muerte (Mazzotti et al, 2019). Estos cambios se refieren a la temperatura, los producidos en las glándulas sudoríparas, la estimulación química de la musculatura pupilar, la mecánica y eléctrica de la estimulación muscular, así como la extensión del rigor mortis y la lividez postmortem, todos útiles en diferentes periodos de tiempo (Madea et al;Wehner et al, 2001a).…”
Section: Introductionunclassified
“…En lo que refiere a la estimación del IPM, estudios experimentales han demostrado que es posible establecer cambios progresivos vinculados al IPM mediante histología e HQ en el curso de las primeras horas postmortem (Charan Gowda et al). Algunos autores (Wehner et al, 1999;2000;2001a;2001b; han postulado la posibilidad de emplear métodos IHQs sobre tejidos cadavéricos para correlacionar las reacciones con el IPM. La premisa es que la estructura terciaria del antígeno sufre cambios postmortem, y al aumentar el IPM disminuye la eficacia de la tinción de desnaturalización de proteínas.…”
Section: Introductionunclassified
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