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  • Title: Usefulness of dura mater in providing DNA samples for identifying cadavers.
    Author: Motani H, Sakurada K, Akutsu T, Ikegaya H, Hayakawa M, Sato Y, Yajima D, Sato K, Kobayashi K, Iwase H.
    Journal: J Forensic Sci; 2006 Jul; 51(4):888-92. PubMed ID: 16882234.
    Abstract:
    We examined the usefulness of the dura mater in identifying human remains. Dura mater was collected from 50 cadavers, including drowned, charred, and mummified remains. The STR genotype using the AmpFlSTR Identifiler Kit could be typed at 15 STR and amelogenin loci in 30 samples of 33 cases. Furthermore, the ABO genotype and amelogenin using gel-based methods could be typed in 44 samples of 50 cases. In cases with successful typing of STR, ABO-DNA, and amelogenin, the longest time after death was from 12 to 26 days in a drowned body. The minimum quantity of dura mater required for DNA extraction was about 2.5 mg, dried and fixed by ethanol, in a cadaver 15 h after death. The state of the DNA from the dura mater from the calvaria may be better than that from the basis cranii interna. We found that DNA from dura mater is one of the most useful samples for forensic identification.
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