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International Journal of Hematology-Oncology and Stem Cell Research، جلد ۱۵، شماره ۴، صفحات ۲۱۳-۲۲۰
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عنوان انگلیسی The RHD Genotyping of Rh-Negative and Weak D Phenotype among Blood Donors in Southeast Iran
چکیده انگلیسی مقاله Background: The D antigen is a subset of Rh blood group antigens involved in the hemolytic disease of the newborn [HDFN] and hemolytic transfusion reaction [HTR]. The hybrid Rhesus box that was created after RH gene deletion, was known as a mechanism of the Rh-negative phenotype. Hybrid marker identification is used to confirm the deletion of the RHD gene and to determine zygosity. This study aims to detect this marker in Rh-negative and weak D phenotype blood donors of the southeast of Iran. Materials and Methods: The molecular analysis of the hybrid Rhesus box was performed on the 200 Rh-negative blood donors in Sistan and Baluchestan province, southeast Iran. The presence of alleles responsible for the D variants was assessed by DNA sequencing in 26 weak D phenotype donors. Results: Of the 200 Rh-negative blood samples, 198 samples were homozygous (99%), and two samples were heterozygous (1%). Heterozygous samples had RHD*01N.73 allele and the RHD*01N.18 allele. Of the 26 samples with weak D phenotype, 16 partial DLO (61%), 4 partial DBT1 (15.3%), 2 partial DV type 2 (7.7%), 1 weak D type 1, 1 weak D type 4.2.3, 1weak D type 105 and 1 RHD (S103P) (4%) were determined. Conclusion: Since RHD gene deletion is the main mechanism of the Rh-negativity in Sistan and Baluchestan provinces, a hybrid Rhesus box marker can be used in resolving RhD typing discrepancies by RHD genotyping methods.
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نویسندگان مقاله | Younes Sadeghi-Bojd
Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran


| Naser Amirizadeh
Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran


| Arezoo Oodi
Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
نشانی اینترنتی https://ijhoscr.tums.ac.ir/index.php/ijhoscr/article/view/1335
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