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Kidd Blood Group Genotyping for Thalassemia Patient in Iran
Indian Journal of Hematology and Blood Transfusion ( IF 0.7 ) Pub Date : 2020-04-29 , DOI: 10.1007/s12288-020-01283-y
Seyedeh Farzaneh Jalali 1 , Arezoo Oodi 1 , Azita Azarkeivan 1 , Samira Gudarzi 1 , Naser Amirizadeh 1
Affiliation  

We aimed to determine the JK genotype in thalassemia patients from Iran using different molecular methods to compare with phenotyping results. We also aimed to standardize for the first time, the Tetra-Primer ARMS PCR method for JK genotyping. The serology method cannot correctly determine the phenotype of blood group antigens in patients with multiple blood transfusions. Peripheral blood samples were taken from two hundred alloimmunized thalassemic patients in Tehran Adult Thalassemic Clinic. The samples were tested phenotypically by routine serological methods. After DNA Extraction, SSP-PCR was performed. DNA sequencing and PCR–RFLP were used to confirm the SSP-PCR results. Discrepancies were found between the phenotype and genotype in 32 out of 200 cases. In 16 cases phenotype was determined as Jk (a + b +) but genotype was JK*A/JK*A , in 14 cases phenotype was Jk (a + b +) while the genotype showed JK*B/JK*B , 1 case had been phenotyped as Jk (a + b −) but it was genotyped as JK*A/JK*B and 1 case had been phenotyped as Jk (a − b +) but it was genotyped as JK*A/JK*B . Serological results for a few samples could not be confirmed because of mix-field agglutination. The genotyping however verified the presence of Kidd alleles. Molecular methods are a valuable tool to predict blood group phenotypes in multi-transfused patients in order to select RBC units for a perfect matching improving blood transfusion and preventing alloimmunization. Also Tetra-Primer ARMS PCR is simple and cost effective methods that could be alternative by conventional Molecular methods.

中文翻译:

伊朗地中海贫血患者的 Kidd 血型基因分型

我们旨在使用不同的分子方法确定来自伊朗的地中海贫血患者的 JK 基因型,以与表型结果进行比较。我们还旨在首次标准化用于 JK 基因分型的 Tetra-Primer ARMS PCR 方法。血清学方法不能正确确定多次输血患者的血型抗原表型。外周血样本取自德黑兰成人地中海贫血诊所的 200 名同种免疫的地中海贫血患者。通过常规血清学方法对样品进行表型测试。DNA提取后,进行SSP-PCR。DNA测序和PCR-RFLP用于确认SSP-PCR结果。在 200 例中的​​ 32 例中发现了表型和基因型之间的差异。在 16 例中,表型确定为 Jk (a + b +) 但基因型为 JK*A/JK*A ,14例表型为Jk(a+b+),基因型为JK*B/JK*B,1例为Jk(a+b-),基因型为JK*A/JK*B, 1 例已被分型为 Jk (a - b +) 但基因分型为 JK*A/JK*B 。由于混合场凝集,一些样本的血清学结果无法得到证实。然而,基因分型证实了基德等位基因的存在。分子方法是预测多次输血患者血型表型的一种有价值的工具,以选择完美匹配的红细胞单位,改善输血并防止同种免疫。此外,四引物 ARMS PCR 是一种简单且具有成本效益的方法,可以替代传统的分子方法。1例已分型为Jk(a+b-)但基因分型为JK*A/JK*B,1例分型为Jk(a-b+)但基因分型为JK*A/JK*乙。由于混合场凝集,一些样本的血清学结果无法得到证实。然而,基因分型证实了基德等位基因的存在。分子方法是预测多次输血患者血型表型的一种有价值的工具,以选择完美匹配的红细胞单位,改善输血并防止同种免疫。此外,四引物 ARMS PCR 是一种简单且具有成本效益的方法,可以替代传统的分子方法。1例已分型为Jk(a+b-)但基因分型为JK*A/JK*B,1例分型为Jk(a-b+)但基因分型为JK*A/JK*乙。由于混合场凝集,一些样本的血清学结果无法得到证实。然而,基因分型证实了基德等位基因的存在。分子方法是预测多次输血患者血型表型的一种有价值的工具,以便选择 RBC 单位进行完美匹配,改善输血并防止同种免疫。此外,四引物 ARMS PCR 是一种简单且具有成本效益的方法,可以替代传统的分子方法。然而,基因分型证实了基德等位基因的存在。分子方法是预测多次输血患者血型表型的一种有价值的工具,以选择完美匹配的红细胞单位,改善输血并防止同种免疫。此外,四引物 ARMS PCR 是一种简单且具有成本效益的方法,可以替代传统的分子方法。然而,基因分型证实了基德等位基因的存在。分子方法是预测多次输血患者血型表型的一种有价值的工具,以选择完美匹配的红细胞单位,改善输血并防止同种免疫。此外,四引物 ARMS PCR 是一种简单且具有成本效益的方法,可以替代传统的分子方法。
更新日期:2020-04-29
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