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对血CXCL9和CXCL10进行全面评估,以改善移植异位排斥的临床预测模型
Alvaro Assis de Souza1, Dennis A Hesselink1, Carolien C H M Maas2
1Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC Transplant Institute, Erasmus University Medical Center Rotterdam, Rotterdam, the Netherlands.
Clinical transplantation
|September 2, 2025
概括
早期测量化学基因水平,例如C-X-C基因连接体9 (CXCL9) 和C-X-C基因连接体10 (CXCL10),可以改善移植排斥的预测. 这有助于减少不必要的活检,并指导治疗决策.
科学领域:
- 肝脏病学
- 免疫学
- 移植医学
背景情况:
- 移植的拒绝仍然是一个重大挑战.
- 预测早期排斥对于及时干预和移植的生存至关重要.
- 预测排斥的标准模型可能缺乏足够的准确性.
研究的目的:
- 评估是否添加血化基因测量 (CXCL9或CXCL10) 可以改善对抗排斥治疗需求的预测.
- 评估化基因水平在指导移植活检决策中的有用性.
- 提高预测移植后并发症的标准护理模式.
主要方法:
- 使用接受者/捐赠者的年龄,HLA不匹配和早期透析需求建立了一个基准模型.
- 增加了CXCL9或CXCL10水平以创建扩展的预测模型.
- 模型使用概率比测试 (LRT),ROC-AUC,校准曲线和净益分析进行了评估.
- 内部验证是使用启动方式进行的.
主要成果:
- 化学药物扩展模型的表现明显优于基准模型 (LRT p < 0. 01).
- 随着校准的改善,分辨能力增加 (delta ROC-AUC为0. 02).
- 扩展模型显示出更好的临床效用,每100名患者中可能减少多达17名不必要的活检.
结论:
- 血CXCL9或CXCL10测量增加了移植排斥的预测.
- 将化基因水平纳入预测模型可以改善患者护理并降低医疗费用.
- 这些发现支持使用化基因生物标志物进行个性化移植后管理.
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