IL-6 and IL-20 as potential markers for vitality of skin contusion
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Published on: August 18, 2023
Ming-Yuan Ye1, Di Xu1, Jin-Cen Liu1
1Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China.
Abstract:
The detection of vitality of wounds is very important in forensic practice. This study is performed using quantitative real-time reverse transcriptase polymerase chain reaction (RT-qPCR) in both mouse and human skin wounds for the application of IL-6 and IL-20 in order to differentiate intravital wounds from postmortem wounds. RT-qPCR analysis of contused mouse skin showed that increased IL-6 and IL-20 mRNA levels were found in comparison to intact skin tissues. The increased mRNA expressions of IL-6 and IL-20 were observed until 72 h after death in contused mouse skin, whereas there were no marked changes in these two cytokines in the postmortem contusion group. The alterations of IL-6 and IL-20 can also be detected in human skin wound samples. These finding suggest that mRNA levels of IL-6 and IL-20 might be used as potential markers for vital reaction.
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