Genotyping Analysis of rs۱۷۹۹۹۸۹ Single Nucleotide Polymorphism in TYR Gene Region in the Population of Isfahan, Iran

  • سال انتشار: 1394
  • محل انتشار: مجله دانشگاه علوم پزشکی کرمان، دوره: 22، شماره: 5
  • کد COI اختصاصی: JR_JKMU-22-5_003
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 142
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نویسندگان

Saamaaneh Soheili

M.Sc. in Genetics, Department of Biology, School of Science, University of Isfahan, Isfahan, Iran

Sadeq Vallian Borujeni

Professor, Department of Biology, School of Science, University of Isfahan, Isfahan, Iran

چکیده

Background & Aims: Tyrosinase is the most important enzyme in the production of pigments of the skin, eyes, and hair follicles. The enzyme is encoded by tyrosinase gene (TYR) or oculocutaneous albinism type ۱A (OCA۱A). Mutations in TYR gene result in pigmentation disorders such as albinism in humans. In view of the large number of mutations reported in this gene, the aim of this study was to identify and introduce polymorphic markers located in the TYR gene region in the Iranian population. Methods: In the present study, using bioinformatics investigations for single nucleotide polymorphisms (SNP) markers in TYR gene region, rs۱۷۹۹۹۸۹ marker was selected and genotyped through tetra primer amplification refractory mutation system-polymerase chain reaction (ARMSPCR) method. The allele frequency and heterozygosity degree of this marker was analyzed in the population of Isfahan, Iran. Results: The heterozigosity of the rs۱۷۹۹۹۸۹ marker (۷۵.۹%) in the population of Isfahan was high. The frequency of allele C and allele A was ۰.۵۷۶ and ۰.۴۲۰, respectively. Comparison of this finding to those of other populations showed that the most similarity existed with African populations. Conclusion: In view of the high degree of heterozygosity, rs۱۷۹۹۹۸۹ marker can be introduced as an informative marker for linkage analysis and identification of TYR gene mutations carriers in the Iranian population.

کلیدواژه ها

Oculocutaneus, TYR gene, rs۱۷۹۹۹۸۹ marker, Iranian population

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