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Abstract

The prevalence of thalassemia among the Yao nationality in Guangdong Province, China

Author(s): Z. HUANG1*, X. GUO2 , A. WU2 , W. TAN2 , J. ZHANG2 , J. LI3 AND H. LEI2
1Center for Molecular Diagnostic, The Sixth Affiliated Hospital of Guangzhou Medical University /People’s Hospital of Qingyuan City, Qingyuan, Guangdong 511518, 2Department of Obstetrics, The Sixth Affiliated Hospital of Guangzhou Medical University /People’s Hospital of Qingyuan city, Qingyuan, Guangdong 511518, 3Department of Clinical Laboratory, The Sixth Affiliated Hospital of Guangzhou Medical University /People’s Hospital of Qingyuan City, Qingyuan, Guangdong 511518, China

Correspondence Address:
Center for Molecular Diagnostic, The Sixth Affiliated Hospital of Guangzhou Medical University /People’s Hospital of Qingyuan City, Qingyuan, Guangdong 511518, E-mail: huangzhyong1981@126.com


In order to explore the prevalence of thalassemia among the Yao population in Guangdong Province, China, the situation of β and α thalassemia patients in the district is analyzed by Hb hemoglobin electrophoresis and gene detection. The results have shown that the proportions of CD17 and βE to the positive β-thalassemia patients are the highest, which are the most common types of the β-thalassemia gene mutations; the β-thalassemia gene double heterozygous mutation is the least; in addition, the α-thalassemia gene detection has shown that among the positive mutation types, the αα/αα has accounted for the largest proportion, and the αα3.7/αα mutation case is the least. In summary, due to the high coincidence of β-thalassemia positive rates degree between the hemoglobin electrophoresis detection and the gene diagnosis, the higher positive rate of hemoglobin electrophoresis would indicate the higher β-thalassemia gene carrying rate and incidence rate to some extent. Therefore, to a certain extent, it can be considered that the incidence of α-thalassemia is less different among different ethnic groups and regions in Guangdong Province; however, there is a significant difference between β-thalassemia among the Yao nationality and other ethnic groups in Guangdong Province.

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