在依赖输血的β-thalassemia患者中对thalidomide的反应的遗传修饰剂:全外体序列分析
Waleed Mohammed Bawazir1,2, Muhammad Ihtesham Khan3,4, Mohannad Saeed Hazzazi1,2,5
1Hematology Research Unit, King Fahd Medical Research Center, King Abdul Aziz University, Jeddah, Saudi Arabia.
PeerJ
|October 13, 2025
概括
遗传变异会影响β-thalassemia患者对thalidomide的反应. 在CHI3L1,NPNT和ZNF208中的特定多态性与出色的反应有关,而在PM20D1,LGR6,MYH15和RESF1中的其他多态性与不响应有关.
科学领域:
- 遗传学 是一个遗传学.
- 血液学 血液学 血液学
- 药物基因组学 药物基因组学
背景情况:
- 在大多数β-thalassemia患者中,thalidomide治疗改善胎儿血红蛋白水平,导致输血独立.
- 然而,一小部分患者对thalidomide的反应是可变的,需要对潜在因素进行进一步的研究.
- 导致这些差异性反应的遗传变异在很大程度上仍未被探索.
研究的目的:
- 为了确定预测患者对thalidomide治疗的反应的遗传变异.
- 探索在输血依赖的β-thalassemia中可变的thalidomide疗效的遗传基础.
主要方法:
- 在20名依赖输血的β-thalassemia患者 (14名出色反应者,6名不反应者) 上进行了全外组测序.
- 用Sentieon软件和Annovar.com来识别和注释生殖系变异.
- 统计分析的重点是识别与响应或非响应表型相关的常见多态.
主要成果:
- 总共有222,180个生殖系变异被确定,其中24个候选变异在24个基因中.
- 优秀的响应者显示CHI3L1 (rs880633),NPNT (rs35132891) 和ZNF208 (rs10425763) 中多态度的频率很高.
- 非响应者在PM20D1 (rs7518979) LGR6 (rs75658797) MYH15 (rs4299484) 和 RESF1 (rs3207618) 中表现出常见的多态.
结论:
- 单核酸多态体rs880633,rs35132891和rs10425763显著与对thalidomide的良好反应有关.
- 多态性 rs7518979,rs75658797,rs4299484和rs3207618与β-thalassemia患者的thalidomide无反应有关.
- 这些发现突出了预测thalidomide治疗结果的潜在遗传标记.
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