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Updated: Oct 7, 2026
Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
Published on: June 21, 2018
Concordance study on population database samples using the PowerPlex 16 kit and AmpFlSTR Profiler Plus kit and
1Laboratory Division, FBI Academy, Quantico, VA 22135, USA.
Abstract:
Over 500 population database samples comprising African Americans, Bahamians, and Southwestern Hispanics were typed using the PowerPlex 16 and the Profiler Plus COfiler kits. There was only one sample in which a typing difference was observed. An FGA heterozygote profile was observed using the PowerPlex 16 primers, and a single allele FGA profile was observed using Profiler Plus primers. Thus, the extant data suggest that the primers used in the PowerPlex 16, Profiler Plus, and COfiler kits are reliable for typing reference samples destined for use in CODIS. In addition, African American, Bahamian, and Southwestern Hispanic databases have been established for the STR loci Penta D and Penta E. Both loci are highly polymorphic. The application of the product rule is valid for estimating the rarity of a multiple loci profile consisting of these two and the 13 core STR loci.
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