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Iranian Journal of Basic Medical Sciences، جلد ۱۵، شماره ۶، صفحات ۱۱۲۷-۱۱۳۰
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Evaluation of a Genetic Test for Diagnose of Primary Hypolactasia in Northeast of Iran (Khorasan)
چکیده انگلیسی مقاله Objective(s) Primary or adult type hypolactasia, the most common enzyme deficiency in the world, is due to reduced lactase activity in the intestinal cell after weaning. Lactase non-persistence is inherited as an autosomal recessive trait. A DNA variant, single nucleotide polymorphism C/T−13910 which is located on 13910 base pairs (bp) upstream of the lactase gene (LCT) at chromosome 2 has been show to associate with the lactase persistence/non-persistence. The prevalence of the C/T-13910 variant is different for hypolactasia in European, Asian, African-American and Northern African populations. In this study, we investigated, for the first time the allele frequent of the single nucleotide polymorphism C/T−13910 in the Iranian population in khorasan province with hypolactasia. Materials and Methods Peripheral blood was collected from 100 subjecs with primary hypolactasia and 100 healthy individuals as a control group. Genomic DNA was extracted. The genotype was analyzed with the PCR-RFLP method. A statistical analysis was performed by chi-square test using SPSS software. A P-value of < 0.05 was considered statistically significant.ResultsIn case group allelic frequency for SNP T-13910C (C, T) was respectively 95%, 5% vs. control group 86% and 14%. Genotype frequency (CC, CT, TT) in patient group was 90%, 10%, 0% vs. control group 74%, 24% and 2%. So according to our findings, there were significant differences between allelic frequencies (P=0.03), and in genotype frequency between case and control groups (P=0.006).ConclusionBased on our results, analysis of CT-13910 polymorphism can be used as a simple genetic test for diagnosis of primary type hypolactasia in the Iranian population.
کلیدواژه‌های انگلیسی مقاله Hypolactasia, Iranian Population, LPH
نویسندگان مقاله مریم علیزاده | maryam alizadeh
departmant of human genetic, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

آریانه صدر نبوی | ariane sadr nabavi
departmant of human genetic, mashhad university of medical sciences, mashhad, iran|iranian academic centres for education, culture and research acecr

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

نشانی اینترنتی http://ijbms.mums.ac.ir/article_4930.html
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