Abstract:
:The population origin of an individual is often requested to be determined from specimens left at a crime scene for identifying a suspect and individual identity. The melanocortin 1 receptor gene (MC1R) and P gene are associated with human pigmentation. Although several studies have reported that these genes are highly polymorphic in human populations, it is unclear if the allele variants can be used to determine the population origin of an individual. We aimed to determine the ethnic origin of an individual by using single nucleotide polymorphisms (SNPs). Eighteen SNPs in the MC1R gene and P genes were genotyped in 52 individuals by the direct sequencing method, and 4 SNPs (MC1R gene: R163Q and P gene: IVS5 + 1001, IVS13 + 113, and H615R) were selected on the basis of differences in frequencies. Subsequently, we genotyped these four SNPs in 422 volunteers from six ethnically defined populations using a polymerase chain reaction-based assay. The results revealed that the allele variants were present with high frequencies in Asian populations but were low in European and African populations. On the basis of these results, we defined a specific combination of a genotype (R163Q) and a diplotype group (IVS5 + 1001, IVS13 + 113, and H615R). This study indicates that the specific combination of a genotype and a diplotype group would be effective in estimating the population origin of an individual from a list of population groups.
journal_name
Int J Legal Medjournal_title
International journal of legal medicineauthors
Masui S,Nakatome M,Matoba Rdoi
10.1007/s00414-008-0289-4subject
Has Abstractpub_date
2009-05-01 00:00:00pages
205-11issue
3eissn
0937-9827issn
1437-1596journal_volume
123pub_type
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