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Murine CD8+ T cells: in vitro-derived vs. thymocytes

ABSTRACT: Transcriptional profiling of mouse in-vitro derived CD8+ cells (obtained after culturing BM-HSCs isolated from B6 mice) with OP9-DL1 cells for 35 days were compared to CD8+ thymocytes isolated from 4-5 weeks old B6 mice. Our goal was to determine similarities and differences in gene expression profile between in vitro-derived CD8+ cells and CD8+ cells isolated from the thymus. The procedure of in vitro differentiation of HSC using OP9-DL1 cocultures was previously described by: Schmitt, T. M., and J. C. Zuniga-Pflucker. 2002. Induction of T cell development from hematopoietic progenitor cells by delta-like-1 in vitro. Immunity 17:749-756 and Holmes, R., and J. C. Zuniga-Pflucker. 2009. The OP9-DL1 system: generation of T-lymphocytes from embryonic or hematopoietic stem cells in vitro. Cold Spring Harb Protoc 2009:pdb prot5156. Biological replicates: 2 different samples of in vitro-derived CD8+ T cells from day 35 were compared to 2 different samples of thymic CD8+ cells.

ORGANISM(S): Mus musculus

SUBMITTER: Dzana Dervovic 

PROVIDER: E-GEOD-37669 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Comparative and functional evaluation of in vitro generated to ex vivo CD8 T cells.

Dervovic Dzana D DD   Ciofani Maria M   Kianizad Korosh K   Zúñiga-Pflücker Juan Carlos JC  

Journal of immunology (Baltimore, Md. : 1950) 20120827 7

The generation of the cytotoxic CD8 T cell response is dependent on the functional outcomes imposed by the intrathymic constraints of differentiation and self-tolerance. Although thymic function can be partly replicated in vitro using OP9-DL1 cell cultures to yield CD8 αβ TCR-bearing cells from hematopoietic progenitor cells, a comprehensive and functional assessment of entirely in vitro generated CD8 T cells derived from bone marrow hematopoietic stem cells has not been established and remains  ...[more]

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