供体选择中的HLA相关区域差异:瑞士注册表的9年研究
Oliver Kürsteiner1, Grazia Nicoloso1, Tizian Demont1
1Blutspende SRK Schweiz, Swiss Blood Stem Cells, Berne, Switzerland.
概括
区域HLA多样性影响了造血干细胞 (HSC) 供体选择. 瑞士血干细胞 (SBSC) 注册表分析显示,捐赠者请求与区域捐赠者数量相关,突出显示了国家和国际患者多样化注册表的价值.
科学领域:
- 免疫遗传学 免疫遗传学
- 血液学 血液学 血液学
- 公共卫生 公共卫生
背景情况:
- 全球范围内高HLA多样性使得寻找匹配的非相关的造血干细胞 (HSC) 捐赠者变得复杂.
- 区域性HLA多样性的变化及其对国家注册表中HSC供体选择的影响尚未得到充分证实.
研究的目的:
- 分析2011-2019年瑞士血干细胞 (SBSC) 对HSC捐献者的工作要求 (WU).
- 调查捐赠者的地理来源,HLA匹配和患者HLA杂型型频率对捐赠者选择的影响.
主要方法:
- 追溯分析了SBSC收到的532个WU请求.
- 数据包括捐赠者的邮政编码,请求国家,HLA匹配参数和患者的HLA杂型频率.
- 在WU请求和区域捐赠者注册数量之间的相关性分析.
主要成果:
- 73.5%的WU请求是针对高度匹配 (10/10) 的捐赠者.
- 47.6%的WU请求是针对国内患者和来自邻国的患者.
- 工作单位的申请与每个地区的注册捐助者数量 (r=0.977) 有着强烈的正相关性.
- 来自瑞士特定地区 (莱曼尼克,苏黎世,蒂西诺) 的捐赠者略有过度代表,可能是由于HLA多样性更高.
结论:
- SBSC注册表对于国家和国际HSC捐赠者搜索都是有价值的.
- 捐赠者招募工作应分布在所有地区,以利用现有的捐赠者池.
- 在HLA多样性较高的地区有针对性的招聘可能会提高捐赠者搜索的成功.
更多相关视频
12:49Porcine Liver Transplantation Without Veno-Venous Bypass As an Extended Criteria Donor Model
Published on: August 17, 2022
2.5K
11:59Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies
Published on: September 6, 2017
7.4K
相关概念视频
Tissue Transplantation
373
Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
373
Bone Marrow Sampling and Transplants
333
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
333
