摘要:人外周血是最容易获取的人体样本,在医学类科研工作中至关重要。如何最大化、最高效地观察和利用有限的人外周血标本,通过一次实验检测得到更多的结果指标,对现有的实验研究意义重大。因此本文主要描述如何进行25色流式检测及介绍相关分析方法,通过对单个细胞同时检测25个参数,可以实现对外周血各种免疫细胞亚群的全景式描述,以及对某种细胞亚群的深度表型分析。
材料与试剂
材料:
- 15 ml离心管 (Corning, catalog number: 430791)
- 10 ml移液管 (Corning, catalog number: 4488)
- 1.5 ml离心管 (Axygen, catalog number: MCT-150-C)
- 96孔圆底板 (Corning, catalog number: 351177)
- BD Falcon流式管 (Corning, catalog number: 352052)
- 70 μm滤膜 (Corning, catalog number: 352350)
- 肝素抗凝管
试剂:
- Anti-Mouse Ig, κ/Negative Control Compensation Particles Set (Ms Ig Kpa Comp Bead Set 6Ml, BD Biosciences, catalog number: 552843)
- Lonsera乌拉圭 (南美) 特级胎牛血清 (Lonsera, catalog number: S711-001S)
- Lymphoprep (Stemcell, catalog number: 07851)
- 20x PBS缓冲液 (生工,catalog number: B548117)
- 0.5 mol/L EDTA (生工,catalog number: B300599)
- Trypan Blue 0.4% solution in 0.85% NaCl (Lonza, catalog number: 17-942E)
- 1x PBS (见溶液配方)
- FACS buffer (见溶液配方)
- 抗体混合物 (见溶液配方)
抗体:
- Mouse antihuman CD32-BUV395 (BD Biosciences, custom)
- Mouse antihuman CD16-BUV496 (BD Biosciences, custom)
- Mouse antihuman CD19-BUV563 (BD Biosciences, custom)
- Mouse antihuman IgD-BUV615 (BD Biosciences, custom)
- Mouse antihuman CD4-BUV661 (BD Biosciences, custom)
- Mouse antihuman CD64-BUV737 (BD Biosciences, custom)
- Mouse antihuman CD14-BUV805 (BD Biosciences, custom)
- Mouse antihuman CD57-BV421 (BD Biosciences, custom)
- Mouse antihuman CD3-BV480 (BD Biosciences, custom)
- Mouse antihuman CD15-BV650 (BD Biosciences, custom)
- Mouse antihuman CD27-BV711 (BD Biosciences, custom)
- Mouse antihuman CD20-BV750 (BD Biosciences, custom)
- Mouse antihuman CD197-BV786 (BD Biosciences, custom)
- Mouse antihuman CD45RA-BB515 (BD Biosciences, custom)
- Mouse antihuman TCRgd-BB630 (BD Biosciences, custom)
- Mouse antihuman CD195-BB660 (BD Biosciences, custom)
- Mouse antihuman CD8-Percp-cy5.5 (BD Biosciences, custom)
- Mouse antihuman CD38-BB790 (BD Biosciences, custom)
- Mouse antihuman CD11c-PE (BD Biosciences, custom)
- Mouse antihuman CD13-PE-CF594 (BD Biosciences, custom)
- Mouse antihuman CD123-PE-Cy5 (BD Biosciences, custom)
- Mouse antihuman CD25-PE-Cy7 (BD Biosciences, custom)
- Mouse antihuman CD127-AF647 (BD Biosciences, custom)
- Mouse antihuman CD56-APC-R700 (BD Biosciences, custom)
- Mouse antihuman HLA-DR-APC-H7 (BD Biosciences, custom)
仪器设备
- 实验室2级生物安全柜 (Thermo Scientific™ 1300 Series A2 Biological Safety Cabinet Packages)
- 高速离心机 (Thermo Scientific™ Sorvall™ ST 40离心机)
- 倒置相差显微镜 (Olympus, model: CKX41)
- 血细胞计数板 (Sigma-Ardrich, model: BR717805-1EA)
- X30流式细胞分析仪 (BD FACSymphony™系统)
- 电动移液器 (Eppendorf, model: 4430000018)
实验步骤
Copyright: © 2019 The Authors; exclusive licensee Bio-protocol LLC.
分类
细胞生物学 > 单细胞分析 > 流式细胞术
免疫学 > 免疫细胞染色 > 流式细胞术
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