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案例报告:东非海岸的β-thalassemia大

Alexander W Macharia¹, George Mochamah¹, Johnstone Makale¹

¹Epidemiology and Demography Department, KEMRI/Wellcome Trust Kilifi, Kilifi, 254, Kenya.

Wellcome open research

|October 9, 2023

概括

肯尼亚发现了一例罕见的同卵性β-thalassemia重大病例,突出了对东非这种不常见的血液疾病的区域意识和诊断指南的需要.

科学领域:

遗传学是一个遗传学.
血液学血液学血液学
公共卫生公共卫生

背景情况:

在撒哈拉以南的非洲,Beta-thalassemia很少被记录在案,以前没有关于同卵性β-thalassemia major的报道.
最近在肯尼亚基利菲 (Kilifi) 进行的一项研究发现了四种β-thalassemia突变,包括一种罕见的启动密码子突变 (rs33941849).

研究的目的:

报告东非首例同卵性β-thalassemia major病例,该病例是由罕见的rs33941849突变引起的.
提高人们对β-thalassemia的认识,作为该地区潜在的公共卫生问题.

主要方法:

从一名患有贫血和腹部胀的两岁女性患者收集了临床,血液和遗传数据.
高性能液态色谱 (HPLC) 和基因测序被用于诊断.

主要成果:

患者表现出严重的贫血 (Hb 6.6 g/dL,MCV 64 fL),没有HbA0和升高的HbF,与β-thalassemia major一致.
基因分析证实了rs33941849启动码头突变的同胞性.

结论:

这一案例强调了在东非存在β-thalassemia major的情况.
这些发现强调了需要在该地区为β-thalassemia制定本地诊断和管理指南的需要.

关键词:

东非东非非洲东非在HbA2的基础上.其他: rs3394184949 测序的测序是指测序的测序.大型β - thalassemia 的情况.

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