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Hematologic Phenotype and Genotype Analysis of Patients with Hemoglobin Variants / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 1280-1288, 2021.
Article in Chinese | WPRIM | ID: wpr-888553
ABSTRACT
OBJECTIVE@#To study the hematologic and molecular features of 14 patients with hemoglobin (Hb) variants, so as to provide reference data for its laboratory screening.@*METHODS@#A total of 1 029 samples were screened by high performance liquid chromatography (HPLC) on the Bio-Rad VariantⅡHPLC system. GAP-PCR and reverse dot blot (RDB) were used to detect common mutation of α and β globin gene in Chinese. DNA sequencing for α and β globin gene was simultaneously performed in samples with abnormal spectrum peak and negative thalassemia gene.@*RESULTS@#In 1 029 samples, 10 types of structural Hb variants were detected in14 cases (1.36%), including 1 case of Hb E / β- thalassemia, 1 case of Hb E /α- thalassemia (HbH disease), 2 cases of HbG-Taipei, 2 cases of Hb Q-Thailand, 2 cases of Hb Youngstown, 1 case of Hb Guangzhou-Hangzhou, 1 case of Hb M-Boston, 1 case of Hb G-Siriraj, 1 case of Hb J-Baltimore, 1 case of Hb J-Sicilia and 1 case of Hb Tamano.@*CONCLUSION@#The occurrence of abnormal structural Hb variants with many genotypes in Shanghai is unique. Except for Hb E, Hb Youngstown, and Hb M-Boston, other types of heterozygous are normal in phenotypes, and symptoms such as hemolysis and anemia often occur when other diseases are combined.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Phenotype / Hemoglobins, Abnormal / China / Alpha-Thalassemia / Beta-Globins / Genotype Limits: Humans Country/Region as subject: Asia Language: Chinese Journal: Journal of Experimental Hematology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phenotype / Hemoglobins, Abnormal / China / Alpha-Thalassemia / Beta-Globins / Genotype Limits: Humans Country/Region as subject: Asia Language: Chinese Journal: Journal of Experimental Hematology Year: 2021 Type: Article