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1Reference Laboratory of Social Security Organization,Tehran, Iran 2Hematology, Oncology and Stem Cell Research Center of Tehran University of Medical Sciences,Tehran, Iran 3Faculty of Medical Allied Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran 4Pediatric Congenital Hematologic Disorders Research Center of Shahid Beheshti University of Medical Sciences, Tehran, Iran
Abstract Background and Objectives
Amplification of STR (Short Tandem Repeat) loci has become a useful tool for human identification applications. The STR polymorphisms analyses are not only useful for paternity and forensic identity testing but also for the evaluation of chimerism and engraftment after allogeneic BMT.
Materials and Methods
In this descriptive study, blood samples were obtained from 100 individuals among Iranian population. In order to develop STR-PCR multiplex systems, numerous STR locus combinations and amplification conditions were evaluated; as a result, three non-overlapping triplex STR systems were developed. The first triplex (DDT) includes the co-amplification of the D4S2366, D16S539 TH01 loci; the second triplex (VFF) contains the VWA, FES/FPS, F13A01 loci; and the third triplex (DTC) contains the D13S317, TPOX, CSF1PO loci.
Results
The common statistical information used in paternity and forensic sciences such as heterozygosity (H), matching probability (MP), power of discrimination (PD), paternity index (PI), and power of exclusion (PE) as well as the allele frequency distribution were determined for the Iranian population using all three multiplex systems and their representative loci. For all loci, no deviations from Hardy-Weinberg expectations (HWE) were detected.
Conclusions
In conclusion, the STR multiplex systems developed have a high power of discrimination (PD = 0.9999999997), and the matching probability (PM) across all nine loci was estimated as 1 in 3.6 billion, which underlines the usefulness of these systems in the forensic medicine as well as for human identity.
Key words: Population, Short Tandem Repeats, Forensic Sciences
Received: 17 Apr 2013 Accepted: 9 Feb 2014
Correspondence: Heidari H., MSc of Hematology & Blood Banking. Reference Laboratory of Social Security Organization.
P.O.Box: 16177-37515, Tehran, Iran. Tel: (+9821) 66647242; Fax: (+9821) 66644499
E-mail: Dariush_heidari@yahoo.com
Heydari D, Ghaffari S, Chahardouli B, Gh. A, Alimoghaddam K, Ghavamzadeh A. The development of Multiplex PCR-STR system for the analysis of genetic data of the Iranian population. Sci J Iran Blood Transfus Organ 2015; 11 (4) :306-317 URL: http://bloodjournal.ir/article-1-705-en.html