Surface phenotype and rapid quantification of blood dendritic cell subsets in the rhesus macaque.

Surface phenotype and rapid quantification of blood dendritic cell subsets in the rhesus macaque.
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DOI:
10.1111/j.1600-0684.2009.00353.x
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发表时间:
2009-08
影响因子:
0.7
通讯作者:
Barratt-Boyes SM
Barratt-Boyes SM
中科院分区:
农林科学4区
文献类型:
--
作者:
Brown KN;Barratt-Boyes SM

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恒河猴树突状细胞(DC)生物学的研究正变得越来越重要,但受到不完整的表征和缺乏快速测定来定量细胞的限制。我们的特点是在健康恒河猴血液中的髓样(mDC)和浆细胞样DC(pDC)亚群的表面表型,并开发了一种基于流式细胞术的绝对DC测定方法。恒河猴CD 11 c + mDC为CD 16 + CD 11b + CD 56 lo CD 8 − CD 1c −,而CD 123 + pDC缺乏这些标记物的表达。使用快速两步测定法结合全血和外周血白细胞(PBL)分析进行精确的DC测定。必须从谱系抗体混合物中省略CD 11b、CD 56和CD 16的抗体,以防止在分析恒河猴血液时无意中门控DC。全血/PBL联合定量测定对于快速、重复监测该物种的血液DC计数将是无价的。
The study of dendritic cell (DC) biology in the rhesus macaque is becoming increasingly important but is limited by incomplete characterization and the lack of rapid assay to quantify cells. We characterized the surface phenotype of myeloid (mDC) and plasmacytoid DC (pDC) subsets in healthy rhesus macaque blood and developed a flow cytometry-based assay for absolute DC determinations. Rhesus CD11c+ mDC were CD16+ CD11b+ CD56lo CD8− CD1c− whereas CD123+ pDC lacked expression of these markers. Precise DC determinations were performed using a rapid two-step assay combining analysis of whole blood and peripheral blood leukocytes (PBL). Antibodies to CD11b, CD56 and CD16 must be omitted from the lineage antibody cocktail to prevent inadvertent gating-out of DC when analyzing rhesus blood. The combined whole blood/PBL quantification assay will be invaluable for the rapid and repeated monitoring of blood DC counts in this species.
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