Heterogeneity of porcine bone marrow-derived dendritic cells induced by GM-CSF

Autoři: Sang Eun Kim aff001;  Jeong Ho Hwang aff001;  Young Kyu Kim aff001;  Hoon Taek Lee aff003
Působiště autorů: Department of Animal Biotechnology, Konkuk University, Gwangjin-gu, Seoul, Republic of Korea aff001;  Animal Model Research Group, Jeonbuk Department of Inhalation Research, Korea Institute of Toxicology, Jeongeup, Jeollabuk-do, Republic of Korea aff002;  Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Gwangjin-gu, Seoul, Republic of Korea aff003
Vyšlo v časopise: PLoS ONE 14(11)
Kategorie: Research Article
doi: 10.1371/journal.pone.0223590


In vitro generation of dendritic cells (DCs) is advantageous for overcoming the low frequency of primary DCs and the difficulty of applying isolation techniques for studying DC immunobiology. The culture of bone marrow cells with granulocyte-macrophage colony-stimulating factor (GM-CSF) has been used extensively to generate bone marrow-derived dendritic cells (BMDCs). Studies have reported the heterogeneity of cells grown in murine GM-CSF culture based on the levels of MHCII expression. Although porcine DCs are generated by this classical method, the exact characteristics of the BMDC population have not yet been defined. In this study, we discriminated GM-CSF-grown BMDCs from gnotobiotic miniature pigs according to several criteria including morphology, phenotype, gene expression pattern and function. We showed that porcine BMDCs were heterogeneous cells that differentially expressed MHCII. MHCIIhigh cells displayed more representative of DC-like morphology and phenotype, including costimulatory molecules, as well as they showed a superior T cell priming capacity as compared to MHCIIlow cell. Our data showed that the difference in MHCIIhigh and MHCIIlow cell populations involved distinct maturation states rather than the presence of different cell types. Overall, characterization of porcine BMDC cultures provides important information about this widely used cellular model.

Klíčová slova:

Bone marrow cells – Flow cytometry – Gene expression – Phagocytosis – Phenotypes – Swine – T cells – Phagocytes


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