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Clinica Chimica Acta:筛查厦门地区新生儿高苯丙氨酸血症及其突变分析

2019-12-02 MedSci MedSci原创

在本研究中,研究人员评估了在中国厦门高苯丙氨酸血症(HPA)发病率和遗传特征。

在本研究中,研究人员评估了在中国厦门高苯丙氨酸血症(HPA)发病率和遗传特征。分析了2013年至2017年新生儿HPA筛查数据,这些数据是通过荧光法和串联质谱法(MS/MS)获得。对疑似阳性的样本,使用MassArray技术、多重连接依赖探针扩增(MLPA)Sanger测序进行进一步诊断。共筛查418831例新生儿,其中19例确诊为HPA患者,发病率为1:22 044。在这些HPA患者中,15例苯丙酮尿症检测呈阳性(PKU, 1:27922) 4例四氢生物蝶呤缺乏症检测呈阳性(BH4D, 1:10 04 708)19例患者38个等位基因共17个突变,检出率94.74%,包括13PAH4PTS突变。其中,c.721 c > T, c.728 g > A, c.1197 > T, c.> 611 Gc.331C>T突变,c.259 c > Tc155A>G突变是厦门地区最主要的PAHPTS突变。

因此,本研究系统地论证了厦门地区HPA的发病率和突变谱。这些信息将有助于HPA患者的遗传咨询、产前诊断管理。将MS/MS技术与分子遗传诊断相结合,是厦门市未来新生儿HPA筛查的有效策略。

原始出处:

Xudong WangYing HeScreening and mutation analysis of hyperphenylalaninemia in newborns from Xiamen, China

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    2020-08-27 windight
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    2020-05-16 xqptu
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