Identification of body fluids—menstrual blood, saliva, and nasal secretions—over different periods of time, using mRNA

Background Forensic examination of biological samples started at the beginning of the twentieth century by applying the ABO blood group system in evidence related to crimes or human identification. In the present study, real-time PCR multiplex was used to identify dried and stored swabs (saliva, nas...

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Bibliographic Details
Published in:Egyptian journal of forensic sciences 2021-12, Vol.11 (1), p.1-6, Article 42
Main Authors: Hussein, Riham F., El Mahdy, Sherif Mohamed, Saged, Nashwa Mohammed, Rashed, L., Ghaleb, Sherien S.
Format: Article
Language:English
Subjects:
Forensic Medicine
Medicine
Medicine & Public Health
Menstrual blood
Menstruation
Nasal secretions
Original Article
Pathology
Real-time PCR multiplex
Saliva
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Summary:Background Forensic examination of biological samples started at the beginning of the twentieth century by applying the ABO blood group system in evidence related to crimes or human identification. In the present study, real-time PCR multiplex was used to identify dried and stored swabs (saliva, nasal secretions, and menstrual blood) through the target genes of saliva (histatin 3 and statherin), nasal secretions (statherin and BPIFA1), and menstrual blood (metalloproteinases 10 and 7). Results The expressions of histatin 3 and statherin in the dried saliva decreased over days of storage with a significant p value of
ISSN:2090-5939
2090-536X
2090-5939
DOI:10.1186/s41935-021-00256-0