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Volume 1, Issue 1
  • ISSN: 2666-4844
  • E-ISSN: 2666-4852

Abstract

Background

Gender determination of human samples is critical in forensic identification. The most popular forensic kit STR® is based on Short Tandem Repeat (STR), and gender determination is performed on a single copy Amelogenin gene with X and Y homologous chromosomes. This method is not sufficiently sensitive for degraded and a small number of samples and requires a lengthy time. Furthermore, this method needs fragment analysis by a genetic analyzer and an analytical kit for sample preparation, which is costly and not available for public support in developing countries.

Aim

Thus, it is urgent to have an alternative, quick, and cost-effective gender identification method during mass disasters.

Objective

We proposed to use an alternative PCR method with a single primer and compare it with our designed primer to identify male and female DNA samples in mass disasters when identification is crucial.

Methods

In the current research, we scanned 16 samples from the fire incidence area known as Mohammadpur slum of Dhaka city in different time frames, where bodies were partially burnt. Patients were admitted to the burn unit of Dhaka Medical College, Dhaka. Thirty-six unknown samples from the healthy cohort were included from the Dhaka University campus for comparison. Modified primer was used in addition to known commercial primers.

Results

This study revealed that our designed primer and commercial primer could identify insertion by a simple PCR method into a non-recombinant Y homologous region. The results showed the high quality of DNA extracted from the burnt specimens and a 100% difference in the number of bands in X and Y chromosomes by a simple, robust, and cost-effective PCR and agarose gel electrophoresis method for gender identification.

Conclusion

This method can be applied to mass disaster incidents where rapid gender identification of unknown persons is urgent for forensic purposes.

© 2023 Bentham Science Publishers
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/content/journals/cfs/10.2174/2666484401666220520090842
2023-01-01
2025-02-17

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/content/journals/cfs/10.2174/2666484401666220520090842
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Validation of Gender Identification by “Alu” Insertion on Y Chromosome for Forensic Mass Disaster
Curr Foren Sci 1, e200522205047 (2023); https://doi.org/10.2174/2666484401666220520090842
/content/journals/cfs/10.2174/2666484401666220520090842
/content/journals/cfs/10.2174/2666484401666220520090842
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  • Article Type:     Research Article
Keyword(s): Alu insertion; burnt specimen; fire incident; Forensic; gender identification; Y-chromosome

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