流式细胞术交叉配型分析需要许多手动步骤,并且数据必须可靠,因为移植患者依靠它进行挽救生命的手术。层流洗涤™技术通过以下方式使 FCXM 受益:
减少手动操作时间,减少重复性运动伤害
提高不同操作者间的可重复性
提高细胞保留率
减少样品的雾化
即将举行的网络研讨会:实现无需离心的流式细胞术样品制备工作流程的标准化
虽然补体依赖性细胞毒性交叉配型 (CDCXM) 和流式细胞仪交叉配型 (FXCM) 都是预测器官移植设施中供体-受体相容性的常用方法,但 FCXM 已被证明更敏感,如今已被更广泛地应用于人类白细胞抗原 (HLA) ) 实验室。
然而,FCXM 检测在制备样品时通常使用传统的离心方法及其相关的洗涤步骤。层流洗涤技术提供了一种替代方案,通过消除离心的需要,提高了一致性并减少了生物危害气雾化。微孔板或样品“轻弹”或使用加压移液器也被消除,降低了交叉污染和用户变化的风险。
此外,不同 HLA 实验室获得的数据表明,Laminar Wash™ 技术可以更温和地处理细胞,同时提高处理新鲜或冷冻样品时的一致性,这些样品用于国家器官捐赠和移植计划,例如 NKR。越来越多的移植实验室在其工作流程中采用了层流清洗技术,这些好处已得到充分证明。
“Laminar Wash System Improves Reproducibility and Increases Sensitivity in Flow Cytometric Crossmatches”
Donna Lucas,约翰霍普金斯大学免疫遗传学和移植免疫学高级经理
通过流式细胞术进行细胞分析的需求呈指数增长,尤其是对于更好的定量和一致性。
减少手动操作时间,减少重复性运动伤害
提高不同操作者间的可重复性
提高细胞保留率
减少样品的雾化
由 3 个不同的操作员重复运行样品获得的数据。层流清洗改善了用户之间的 CV 并减少了人为错误。
在PBL新鲜细胞与层状洗涤™的链霉蛋白酶非依赖性B细胞交叉试验降低背景。湾 在与阴性对照血清交叉匹配的非链霉蛋白酶处理的 B 细胞中,使用 Laminar Wash™ 消除了 ΔMCF。
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