β-Globin gene cluster haplotypes of Hb D-Los Angeles in Mazandaran Province, Iran
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- Mahdavi Mohammad Reza
- Thalassemia Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences
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- Jalali Hossein
- Thalassemia Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences
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- Kosaryan Mehrnoush
- Thalassemia Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences
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- Roshan Payam
- Sina Mehr Research Center
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- Mahdavi Mehrad
- Sina Mehr Research Center
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抄録
Several types of hemoglobin D (Hb D) are distinguishable by DNA analysis, and the aim of this study was to identify the types of Hb D variant and β-globin gene haplotypes linked to Hb D in Mazandaran Province, northern Iran. Fifty five individuals were identified as Hb D carriers, and PCR-RFLP analysis revealed that all 55 had the Hb D-Los Angeles type. To identify haplotypes associated with the βD allele, family linkage analysis, using the PCR-RFLP method for seven polymorphisms in the β-globin gene cluster, was carried out on families of 23 of these 55 individuals. We observed three different haplotypes in association with Hb D-Los Angeles. In most cases (91.4%) βD alleles were linked to haplotype I [+ – – – – + +]. Haplotype II [– + + – + + +] and an atypical haplotype [– + + – – + –] were each in association with the βD allele in only one case (4.3%). This is the first report worldwide of the [– + + – – + –] haplotype in association with Hb D-Los Angeles. We conclude that more than 90% of the evaluated Hb D-Los Angeles alleles in Mazandaran have the same origin, and the two rare haplotypes may represent different genetic origins and/or other molecular events, such as gene conversion or recombination, in the region.
収録刊行物
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- Genes & Genetic Systems
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Genes & Genetic Systems 90 (1), 55-57, 2015
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詳細情報 詳細情報について
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- CRID
- 1390282680450849024
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- NII論文ID
- 130005083384
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- NII書誌ID
- AA11077421
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- ISSN
- 18805779
- 13417568
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- NDL書誌ID
- 026498882
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- PubMed
- 26119666
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可