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Cell separation reagents Cell separation reagents
  for human cells
  Stem and progenitor cells
  T cells
 
 
 
 
 
  NK cells
  B Cells
  Monocytes
  Dendritic cells
  Antigen-presenting cells
  Granulocytes and myeloid cells
  Leukocytes
  Erythroid cells
  Megakaryocytes and platelets
  Endothelial cells
  Epithelial cells
  Fibroblasts
  Neural cells
  Cytokine-producing cells
  Tumor cells
  Fc receptor blocking
  for non-human primate cells
  for mouse cells
  for rat cells
  for indirect magnetic labeling
  for apoptotic and dead cells
  for isolation of mitochondria
Manual cell separation Manual cell separation
Automated cell separation Automated cell separation
MACS® Technology MACS® Technology
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CD25+CD49d Regulatory T Cell Isolation Kit
Description
The CD25+CD49d- Regulatory T Cell Isolation Kit was developed for the isolation of CD4+CD25+CD49d- regulatory T cells from human PBMCs in a two-step procedure.
Details
Background information
CD49d is the α-chain of the integrin VLA-4 and is present on the majority of pro-inflammatory effector cells but absent on FoxP3+ cells. Consequently, the depletion of CD49d+ cells is a useful tool to isolate highly pure populations of CD25+CD49d regulatory T cells.

Detailed separation procedure
The isolation of CD25+CD49d regulatory T cells is performed in a two-step procedure. First, CD8+ and CD49d+ cells are magnetically labeled with a cocktail of CD8 and CD49d MicroBeads for depletion. In the second step, CD49d regulatory T cells are labeled with CD25 MicroBeads and isolated by positive selection from the pre-enriched T cell fraction.
The depletion of CD49d+ cells removes contaminating CD25+ effector T cells1, thus providing highly pure populations of regulatory T cells.
Columns
For the first magnetic separation (depletion): LD or autoMACS Columns. For the second magnetic separation (positive selection): MS or autoMACS Columns.
 
CD25+CD49d regulatory T cells were isolated from human PBMCs using the CD25+CD49d Regulatory T Cell Isolation Kit, an LD Column, two MS Columns, a MidiMACS™ Separator, and a MiniMACS™ Separator. Cells were fluorescently stained with CD4-FITC, CD25-PE, CD49d-Biotin and Anti-Biotin-APC, or CD4-FITC, CD25-PE, and Anti-FoxP3-APC and analyzed by flow cytometry using the MACSQuant® Analyzer.
Before isolation
A
B
Pre-enriched CD25+CD49d Treg cells
A
B
Isolated CD25+CD49dTreg cells
A
B
C: Gated on CD4+ T cells
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Details
Products
CD25+CD49d Regulatory T Cell Isolation Kit, human
- for 109 total cells
Download datasheet
130-094-551
Qty.:
 

Related products
CD4+CD25+ Regulatory T Cell Isolation Kit
Anti-FoxP3 antibodies
CD25 antibodies
CD49d antibodies
Treg Detection Kits (CD4/CD25/FoxP3), human
Treg Suppression Inspector, human
CD4 antibodies
References
1. Kleinewietfeld et al. (2009) Blood 113: 827–836.
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