Application of Short Tandem Repeat markers in diagnosis of chromosomal aneuploidies and forensic DNA investigation in Pakistan

Chishti, Hafsah Muhammad; Ansar, Muhammad; Ajmal, Muhammad; Hameed, Asif

doi:10.1016/j.gene.2014.07.035

Cited by 7 publications

(1 citation statement)

References 18 publications

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“…Moreover, for forensic purposes, STRs study the parental sources of common chromosomal aneuploidies. For example, trisomies can be accurately detected, and their parental sources can be traced with 92.54% accuracy [58].…”

Section: Introductionmentioning

confidence: 99%

The Impact of Leukemia on the Detection of Short Tandem Repeat (STR) Markers

Alharbi¹,

Alamri²,

El-Shehawi³

2022

Cureus

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Introduction: Short tandem repeats (STRs) have been used for various identity typing methods worldwide. They have high discrimination power in human identification in forensics, paternity testing, missed personal identification, genetic diseases, and gene regulatory functions. They have also been used to detect and monitor the stability of diseases, including various types of cancer. This study aimed to investigate the impact of leukemia on the detection and stability of STR markers.Methods: DNA was isolated from 30 participants (15 with chronic myeloid leukemia( CML) and 15 healthy controls) and used to amplify STR markers using specific primers.Results: We found that the blood of those with leukemia had more 9.3 and 9 alleles at the tyrosine hydroxylase 1 (TH01) marker than the blood of the healthy control samples. The results of this study will help researchers understand leukemia's effect on the detection and stability of STR markers in leukemic patients compared to healthy individuals. Conclusion:Our results demonstrate that STR markers could become useful in genetic studies of leukemia cases.

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Section: Introductionmentioning

confidence: 99%

The Impact of Leukemia on the Detection of Short Tandem Repeat (STR) Markers

Alharbi¹,

Alamri²,

El-Shehawi³

2022

Cureus

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Genetic distribution of 15 autosomal STR markers in the Punjabi population of Pakistan

et al. 2016

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Genetic diversity of 15 autosomal short tandem repeat (STR) loci was evaluated in 713 unrelated individual samples of a Punjabi population of Pakistan. These loci were scrutinized to establish allelic frequencies and statistical parameters of forensic and paternity interests. A total of 165 alleles were observed with the corresponding allele frequencies ranging from 0.001 to 0.446. D2S1338 was found as the most informative locus while TPOX (0.611) was the least discriminating locus. The combined power of discrimination (CPD), the combined probability of exclusion (CPE), and cumulative probability of matching (CPM) were found equaled to 0.999999999999999998606227424808, 0.999995777557989, and 1.37543 × 10-18, respectively. All the loci followed the Hardy-Weinberg equilibrium after the Bonferroni correction (p < 0.0033) except one locus D3S1358. The study revealed that these STR loci are highly polymorphic, suitable for forensic and parentage analyses. In comparison to different populations (Asians and non-Asians), significant differences were recorded for these loci.

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