[Genetic Diagnosis of Thalassemia in Baise, Guangxi Zhuang Autonomous Region].

Zhongguo shi yan xue ye xue za zhi
Heng LuXiao-Sheng Lu

Abstract

To understand the genotypes and distribution characteristics of thalassemia in Baise, Guangxi Zhuang Autonomous Region, to provide references for the prevention and diagnosis of thalassemia in the region and improve the quality of eugenics. 3 482 pregnant women and their spouses from January 2019 to August 2019 in Baise Maternal and Child Health Hospital for prenatal genetic diagnosis were selected, α, β- thalassemia genes were detected by Gap-PCR, PCR and DNA reverse dot hybridization, cases carrying thalassemia gene were confirmed and statistical analyzed. 2 260 samples (64.90%) carrying thalassemia gene were found, among which 1 459 cases (64.56%) were diagnosed as α- thalassemia, 617 cases (27.30%) as β- thalassemia, 184 cases (8.14%) as α complex β- thalassemia. Among 1 459 α- thalassemia genes, --SEA /αα(637 cases, 43.66%), -α3.7 /αα (306 cases, 20.97%), -αCS /αα(143 cases, 9.80%), -α4.2 /αα(124 cases, 8.50%) and -αWS /αα(77 cases, 5.27%) were the most common, while among 617 β- thalassemia genes, CD17 (229 cases, 37.12%), CD41-42 (213 cases, 34.52%), IVS-I-1 (41 cases, 6.65%), βE (38 cases, 6.16%) and CD71-72 (34 cases, 5.51%) were the most common. And --SEA /αα/ CD17 (24 cases, 13.04%), -α4.2 /αα/ CD17 (13 cases, 7.07%)...Continue Reading

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