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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/11905


    Title: Large-scale production and directed induction of functional dendritic cells ex vivo from serum-free expanded human hematopoietic stem cells
    Authors: Hsu, SC;Lu, LC;Chan, KG;Huang, CH;Cheng, SL;Chan, YS;Yang, YH;Lai, YT;Yao, CL
    Contributors: National Institute of Infectious Diseases and Vaccinology
    Abstract: Background: Dendritic cells (DCs) that are derived from hematopoietic stem cells (HSCs) are the most potent antigen-presenting cells and play a pivotal role in initiating the immune response. Hence, large-scale production and direct induction of functional DCs ex vivo from HSCs are crucial to HSC research and clinical potential, such as vaccines for cancer and immune therapy. Methods: In a previous study, we developed a serum-free HSC expansion system (SF-HSC medium) to expand large numbers of primitive HSCs ex vivo. Herein, a DC induction and expansion medium (DC medium) was proposed to further generate large numbers of functional DCs from serum-free expanded HSCs, which were developed and optimized by factorial design and the steepest ascent method. Results: The DC medium is composed of effective basal medium (Iscove's modified Dulbecco's medium [IMDM]) and cytokines (2.9 ng/mL stem cell factor [SCF], 2.1 ng/mL Flt-3 ligand, 3.6 ng/mL interleukin [IL]-1β, 19.3 ng/mL granulocyte-macrophage colony-stimulating factor [GM-CSF] and 20.0 ng/mL tumor necrosis factor-α [TNF-α]). After 10-day culture in DC medium, the maximum fold expansion for accumulated CD1a + CD11c + DCs was more than 4000-fold, and the induced DCs were characterized and confirmed by analysis of growth kinetics, surface antigen expression, endocytosis ability, mixed lymphocyte reaction, specific cytokine secretion and lipopolysaccharide stimulation. Discussion: In conclusion, the combination of DC medium and SF-HSC medium can efficiently induce and expand a large amount of functional DCs from a small scale of HSCs and might be a promising source of DCs for vaccine and immune therapy in the near future. © 2019 International Society for Cell and Gene Therapy
    Date: 2019-07
    Relation: Cytotherapy. 2019 Jul;21(7):755-768.
    Link to: http://dx.doi.org/10.1016/j.jcyt.2019.04.059
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1465-3249&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000475374900007
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85065803293
    Appears in Collections:[許素菁] 期刊論文

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