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Human外周血中的不同树突状细胞亚群&占比
Cell subset Frequency Markers Plasmacytoid DCs (pDCs) CD303 (BDCA-2), CD304 (BDCA-4/Neuropilin-1), CD123, CD4, CD45RA, CD141 (BDCA-3) CD1c+ myeloid DCs (cDC2 or MDC2) 0.6% of peripheral blood mononuclear cells (PBMCs) CD1c, CD11c, CD123, CD13, CD33, CD32, CD64, FcεRI, CD2, CD45RO, CD141. A small proportion also express CD14 and CD11b CD141+ myeloid DCs (cDC1 or MDC1) 0.05% of PBMCs Clec9a, XCR1, CD11c, CD13, CD33 -
Human PBMC中分离树突状的试剂盒产品
Cell subset Isolation strategy Product Pan DCs Depletion of non-target cells Pan-DC Enrichment Kit, human pDCs Depletion of non-target cells Plasmacytoid Dendritic Cell Isolation Kit II, human CD1c (BDCA-1)+ myeloid DCs Depletion of B cells followed by positive selection of target cells CD1c (BDCA-1)+ Dendritic Cell Isolation Kit, human CD141 (BDCA-3)++ myeloid DCs Positive selection of target cells CD141 (BDCA-3) MicroBead Kit, human -
所需耗材、试剂、材料清单
产品名称 品牌/供应商 目录号 用途 Histopaque-1077
Sigma-Aldrich 10771 密度梯度离心溶液 胎牛血清 (Fetal Calf Serum, FCS) 未指定 - 用于配制MACS缓冲液以维持细胞活性。 PBS(磷酸盐缓冲盐水) 未指定 - 冷却后用于洗涤细胞、稀释血液样本,确保操作过程中的细胞稳定性。 DC分离试剂盒 (DC Isolation Kit) Miltenyi Biotec 130-094-487 从PBMC中分离树突状细胞(DC),通过磁珠负选法去除T细胞、B细胞和单核细胞等杂质。 抗TCRα/β-FITC (Anti-TCRa/b-FITC) BD Biosciences 347773 流式,作为阴性对照,验证DC纯度 抗CD19-FITC (Anti-CD19-FITC) BD Biosciences 553785 流式,作为阴性对照,验证DC纯度 抗CD14-FITC (Anti-CD14-FITC) BD Biosciences 561712 流式,作为阴性对照,验证DC纯度 抗HLA-DR-PE (Anti-HLA-DR-PE) BD Biosciences 556644 流式,作为阳性标志,确认DC表型 MACS缓冲液 (MACS Buffer) - 磁珠分选专用缓冲液 MACS磁分选器 (Magnetic-activated Cell Sorting Magnet) - 用于磁珠分选操作,配合LS分选柱分离DC群体。 LS分选柱 (LS Columns) Miltenyi Biotec 130-042-401 磁珠分选专用柱