Identification of blood stains by non-genetic characteristics: The HBs antigen of viral hepatitis B

B. Hoste, J. Brocteur, B. Donea, A. Andre
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引用次数: 1

Abstract

In forensic cases, until recently, identification of biological stains was based on the use of genetic markers, such as blood groups.

In this paper, we show that another acquired characteristic, even if not immutable during life, may afford similar possibilities.

As an example, we have demonstrated that the HBs antigen, associated with the hepatitis B virus, can help in the identification of bloodstains.

The requisite condition for using this new marker, is that not too much time should elapse between the time the biological stains are formed and the moment when victim and suspected individual are examined for comparison of their blood with the stain.

We have shown that in a dried state, the HBs antigen is very stable for at least six months. In vivo, it persists for a few week to 6 or 7 years according to the case.

HBs antigen is a relatively rare factor, its frequency being 0.5% in the Belgian population; the frequency reaches 2 to 3% in the Mediterranean population who constitute most of the immigrants in Belgium.

通过非遗传特征鉴定血斑:乙型病毒性肝炎HBs抗原
直到最近,在法医案件中,生物污渍的鉴定是基于使用遗传标记,如血型。在本文中,我们证明了另一种后天获得的特征,即使在生命中不是不变的,也可能提供类似的可能性。例如,我们已经证明,与乙型肝炎病毒相关的HBs抗原可以帮助识别血迹。使用这种新标记的必要条件是,从生物染色形成的时间到对受害者和嫌疑人进行血液与染色进行比较的时间不应该太长。我们已经证明,在干燥状态下,HBs抗原至少在六个月内是非常稳定的。在体内,根据情况,它持续数周至6或7年。HBs抗原是一个相对罕见的因素,其频率在比利时人口中为0.5%;在构成比利时大部分移民的地中海人口中,这种频率达到2%至3%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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