在具有分子定义亚洲型DEL (c.1227G>A) 的女性中使用Rho(D) 免疫球蛋白指南
In Hwa Jeong1, SooHo Yu2, Tae Yeul Kim2
1Department of Laboratory Medicine, Dong-A University Medical Center, Dong-A University College of Medicine, Busan, Korea.
Annals of laboratory medicine
|February 22, 2024
概括
通过Rho (D) 免疫球蛋白 (RhIG) 可以预防Rh血溶性疾病. 患有亚洲型DEL或特定弱D型的母亲不需要RhIG,因为他们不太可能产生抗D抗体.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 遗传学是一种遗传学.
- 产科 产科 产科 产科 产科
背景情况:
- 胎儿和新生儿的Rh溶血性疾病对D阴性母亲产生抗D抗体构成风险.
- 罗D免疫球蛋白 (RhIG) 用于预防D阴性母亲的这种情况.
- 目前的指导方针将某些弱D类型 (1,2,3,4.0,4.1) 排除在RhIG治疗之外,因为抗D的生产风险较低.
研究的目的:
- 评估亚洲型DEL孕妇的RhIG的必要性.
- 为了确定亚洲类型的DEL变种是否对抗D生产构成风险.
- 为了告知RhIG管理的国际指导方针的潜在修订.
主要方法:
- 审查有关Rh变异和阿洛安提-D生产的现有证据.
- 对分子定义的亚洲型DEL (c.1227G>A) 的分析.
- 亚洲类型的DEL和弱D变体之间的alloanti-D生产风险的比较.
主要成果:
- 患有亚洲型DEL的母亲,类似于弱D型1,2,3,4.0和4.1,不需要RhIG.
- 这些特定的基因型在接触D阳性胎儿红细胞时不太可能产生alloanti-D.
- 在选择性 RhIG 使用中,RHD 基因型鉴定至关重要.
结论:
- 亚洲型DEL的孕妇不需要RhIG预防.
- 可以推基于RHD基因定型的选择性RhIG给药.
- 国际指导方针可能会被修订,将亚洲类型的DEL纳入RhIG建议.
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