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Type: Journal article
Title: Isolation, propagation and characterization of cord blood derived CD4+ CD25+ regulatory T cells
Author: Bresatz, S.
Sadlon, T.
Millard, D.
Zola, H.
Barry, S.
Citation: Journal of Immunological Methods, 2007; 327(1-2):53-62
Publisher: Elsevier Science BV
Issue Date: 2007
ISSN: 0022-1759
Statement of
Suzanne Bresatz, Tim Sadlon, Debrah Millard, Heddy Zola and Simon C. Barry
Abstract: Regulatory T cells (Treg) have recently come to the fore in studies of immune regulation, particularly in autoimmune disease and cancer. While there appear to be several distinct subsets of T cells with regulatory function, a population described as natural Treg and characterized by expression of the transcription factor FOXP3 has attracted particular interest. These cells can be enriched using the surface markers CD4 and CD25, and cord blood is a convenient source of CD25+ Treg. We present detailed protocols for the enrichment of Treg from cord blood using CD25 and a magnetic bead procedure, yielding populations >80% positive for CD25 and 50-65% FOXP3 positive. This enrichment can be followed by a second magnetic bead or a flow sorting step, yielding >95% CD25 and >65% FOXP3 positive populations. Protocols are presented for propagation of these cells in culture (yielding >80% FOXP3 positive cells) and for their phenotypic and functional characterization.
Keywords: T-Lymphocyte Subsets; Fetal Blood; Humans; Flow Cytometry; Cell Culture Techniques; Immunomagnetic Separation; Pregnancy; Female; T-Lymphocytes, Regulatory; Interleukin-2 Receptor alpha Subunit; CD4 Antigens
Description: Copyright © 2007 Elsevier B.V. All rights reserved.
RMID: 0020073612
DOI: 10.1016/j.jim.2007.06.006
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Appears in Collections:Paediatrics publications

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