T regulatory cell separation for clinical application

被引:35
作者
Di Ianni, Mauro [1 ,2 ]
Del Papa, Beatrice [2 ]
Zei, Tiziana [2 ]
Ostini, Roberta Iacucci [2 ]
Cecchini, Debora [2 ]
Cantelmi, Maria Grazia [2 ]
Baldoni, Stefano [2 ]
Sportoletti, Paolo [2 ]
Cavalli, Laura [2 ]
Carotti, Alessandra [2 ]
Pierini, Antonio [2 ]
Falini, Brunangelo [2 ]
Martelli, Massimo F. [2 ]
Falzetti, Franca [2 ]
机构
[1] Univ Aquila, Dept Internal Med & Publ Hlth, Chair Hematol, I-67100 Laquila, Italy
[2] Univ Perugia, Dept Clin & Expt Med, Hematol & Clin Immunol Sect, I-06100 Perugia, Italy
关键词
VERSUS-HOST-DISEASE; EXPRESSION; INFUSION; FOXP3;
D O I
10.1016/j.transci.2012.06.007
中图分类号
R5 [内科学];
学科分类号
100201 [内科学];
摘要
We selected T regulatory cells (Tregs) from standard leukapheresis using double-negative selection (anti-CD8 and anti-CD19) followed by positive selection (anti-CD25) and 72 procedures were performed. A median of 263 x 10(6) cells (range 143-470 x 10(6)) were recovered with a mean of CD4(+)/CD25(+) cells of 94.5 +/- 2.4% (36.5 +/- 18.6% CD4(+)/CD25(+hi)). FoxP3(+) cells were equal to 79.8%+/- 22.2. CD127(+) cells were 12.5%+/- 8.2. The inhibition assay showed an inhibition rate of 67 +/- 22. Cells isolated by means of this approach can be used in allogeneic hematopoietic stem cell transplantation to reduce the incidence and severity of GvHD without bystander inhibition of general immunity. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:213 / 216
页数:4
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