全源性造血干细胞移植的两步方法
Sikemi Ibikunle1, Dolores Grosso1, Usama Gergis1
1Department of Medical Oncology, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, United States.
Frontiers in immunology
|September 18, 2023
概括
两步全基血造干细胞移植 (HSCT) 方法平衡了免疫恢复和移植对宿主疾病 (GVHD). 这种方法优化了T细胞剂量和干细胞输注,在血液学条件下获得更好的结果.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 移植科学 移植科学
背景情况:
- 全基性造血干细胞移植 (HSCT) 是血液病的治愈选择.
- 实现最佳结果需要平衡免疫恢复,移植与宿主疾病 (GVHD) 和疾病控制.
- 传统的HSCT方法在优化这种平衡方面面临着挑战.
研究的目的:
- 描述了托马斯·杰斐逊大学开发的两步式HSCT平台.
- 综述二十年使用这种方法的关键结果和经验教训.
- 讨论增强移植对瘤效应和最大限度地减少移植毒性的策略.
主要方法:
- 一个两步的HSCT协议,涉及捐赠者CD3+细胞 (第6天),其次是环胺 (CY) (第3天,第2天).
- 在CY给药后的第0天输注CD34选择的干细胞.
- 这种方法将淋巴细胞和骨髓细胞移植分离,避免将干细胞暴露在化剂中.
主要成果:
- 这种两步方法旨在优化T细胞剂量,并诱导捐赠者-接受者耐受性.
- 在CY耐受后的干细胞输液允许快速恢复计数.
- 该平台在过去二十年中得到了改进,以改善结果.
结论:
- 两个阶段的HSCT平台提供了一种策略,以平衡移植的关键方面.
- 持续改进的重点是最大限度地提高抗白血病效果,同时降低毒性.
- 这种方法代表了对血液学状况的全基性HSCT的重大进步.
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