In Vivo Targeting of Dendritic Cells with Artificial Adjuvant Vector Cells (aAVC) as a Novel Cancer Immunotherapy

  • Shin-ichiro FujiiEmail author
  • Jun Shinga
  • Satoru Yamasaki
  • Yusuke Sato
  • Miki Asakura
  • Kanako Shimizu


An ideal cancer vaccine would inhibit tumor cells by inducing both innate and adaptive immunity, allowing for specific and long-term cancer immunosurveillance.

Dendritic cells (DCs) and invariant natural killer T (iNKT) cells are excellent targets for this type of tumor immunotherapy development. DCs are innate immune cells that initiate and shape adaptive immunity through naïve T cell priming and chemokine/cytokine secretion, while iNKT cells induce the maturation of endogenous DCs in situ, thereby linking innate and adaptive immunity.

Our laboratory has established a unique method of targeting in vivo DCs using a cell vector system comprised of glycolipid-loaded, mRNA-transfected allogeneic cells. These cells provide iNKT cell activation, DC maturation, and tumor-specific T cell immunity. This unique tool could prove clinically beneficial in the development of immunotherapies against malignant and infectious diseases.


iNKT cells Adjuvant effects Dendritic cells α-Galactosylceramide Cross-presentation 


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Copyright information

© Springer Japan 2015

Authors and Affiliations

  • Shin-ichiro Fujii
    • 1
    Email author
  • Jun Shinga
    • 1
  • Satoru Yamasaki
    • 1
  • Yusuke Sato
    • 1
  • Miki Asakura
    • 1
  • Kanako Shimizu
    • 1
  1. 1.Laboratory for ImmunotherapyRIKEN Center for Integrative Medical SciencesYokohamaJapan

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