• Ayesha Nayyar and Suhaib Ahmed.
• Dr. Ayesha Nayyar, M.Phil. Department of Pathology, Islamic International Medical College, Riphah International University, Islamabad, Pakistan.
• Pak J Med Sci. 2020 Nov 1; 36 (7): 1567-1571.

ObjectiveTo determine genotype frequency of biallelic single nucleotide polymorphisms and its use in detection of informative allele in donor/recipient pairs (sibling pairs) having undergone haematopoietic stem cell transplantation with various haematological disorders using a PCR based method.MethodsThis descriptive study was conducted at GRC Lab Rawalpindi from Jan 2018- Oct 2019.A total of twenty donor/ recipient pairs (sibling pairs) were studied for genotype frequency and informativeness of single nucleotide polymorphisms. Genomic DNA was extracted from the peripheral blood and amplification of single nucleotide polymorphisms was done by PCR based method. The amplified DNA was seen by electrophoresis on 6% polyacrylamide gel.ResultsA sharp band of DNA on the polyacrylamide gel indicated a positive reaction. At least two or more informative SNP markers were found in every sibling pair.ConclusionOur results demonstrate that PCR amplification of polyacrylamide gel electrophoresis using single nucleotide polymorphism has allowed the successful screening and detection of informative allele in all the donor/recipient pairs. (Sibling pairs). This PCR based assay using SNPs appears to be a quick, simple, reliable and technically feasible method for a use in a Pakistani setting.Copyright: © Pakistan Journal of Medical Sciences.

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