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抗体介导的移植血管排斥:一个基于人群的研究
Carmen Lefaucheur1, Alexandre Loupy, Dewi Vernerey
1Nephrology and Kidney Transplantation, Saint-Louis Hospital, Assistance Publique Hôpitaux de Paris, INSERM U940, Paris, France.
Lancet (London, England)
|November 28, 2012
概括
我们确定了四种移植排斥类型,其中抗体介导的血管排斥显著增加了移植损失风险. 识别这种独特的表型可能会改善治疗策略,以改善脏异种移植的存活率.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 免疫学 免疫学 免疫学
- 移植科学 移植科学
背景情况:
- 异种移植的排斥仍然是移植的主要挑战.
- 准确地描述排斥表型及其与抗HLA抗体的关联,对于改善结果至关重要.
研究的目的:
- 为了表征不同的脏异种移植拒绝表型.
- 确定这些表型与抗HLA抗体之间的关联.
- 调查不同排斥模式的预后影响.
主要方法:
- 对ABO兼容移植接受者的回顾性分析 (1998-2008).
- 根据移植功能,组织学,C4d沉积和供体特异性抗HLA抗体,评估急性全移植排斥.
- 分类成四种不同的拒绝模式.
主要成果:
- 15%的患者 (302/2079) 经历了活检证明的急性排斥.
- 确定了四种表型:T细胞介导的血管排斥 (9%),抗体介导的血管排斥 (21%),没有血管炎的T细胞介导排斥 (46%),和没有血管炎的抗体介导排斥 (24%).
- 与没有血管炎的T细胞介导排斥相比,抗体介导的血管排斥显示,移植损失的风险高出9.07倍.
结论:
- 已经确定了一种新的拒绝表型,即抗体介导的血管排斥.
- 这种独特的表型与脏全移植损失的风险显著增加有关.
- 识别抗体介导的血管排斥可能会为新的治疗方法提供信息,以提高移植的存活率.
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