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Macrophage-like iPS-derived Suppressor Cells Reduce Th1-mediated Immune Response to a Retinal Antigen

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Title: Macrophage-like iPS-derived Suppressor Cells Reduce Th1-mediated Immune Response to a Retinal Antigen
Authors: Hase, Keitaro Browse this author
Namba, Kenichi Browse this author →KAKEN DB
Wada, Haruka Browse this author →KAKEN DB
Tsuji, Hyuma Browse this author
Maeda, Aoi Browse this author
Murata, Tomoki Browse this author
Otsuka, Ryo Browse this author
Iwata, Daiju Browse this author
Kanda, Atsuhiro Browse this author
Noda, Kousuke Browse this author →KAKEN DB
Kitaichi, Nobuyoshi Browse this author
Seino, Ken-Ichiro Browse this author →KAKEN DB
Ishida, Susumu Browse this author →KAKEN DB
Keywords: Retinal antigen
type 1 helper T cells
cellular immunity
iPS cells
Issue Date: 2-Dec-2021
Publisher: Taylor & Francis
Journal Title: Current eye research
Volume: 46
Issue: 12
Start Page: 1908
End Page: 1916
Publisher DOI: 10.1080/02713683.2021.1952605
Abstract: Purpose To investigate the immunotherapeutic effects of macrophage-like induced pluripotent stem (iPS) cell-derived suppressor cells (SCs) in ocular immune response and experimental autoimmune uveoretinitis (EAU). Methods The genes of Oct3/4, Sox2, Klf4, and c-Myc were transferred to B cells enriched from the spleen cells of C57BL/6 mice by using retrovirus vectors. Transferred B cells were cultured for 17 days to obtain colonies of iPS cells. Through additional steps, iPS-SCs were induced. An antigen-specific T cell proliferation assay was performed with CD4(+) T cells collected from draining lymph nodes of the mice immunized with human interphotoreceptor retinoid-binding protein (hIRBP) peptide and co-cultured with iPS-SCs. Cytokine concentrations in the culture supernatant were examined. Mice were immunized with hIRBP peptide to induce EAU. The iPS-SCs were administered into the mice one day before the induction of EAU. Results The iPS-SCs decreased hIRBP-specific T cell proliferation depending on the number of cells. Productions of tumor necrosis factor-alpha and interferon-gamma were significantly decreased; however, transforming growth factor-beta 1, nitric oxide, interleukin (IL)-13, IL-17A, and IL-17 F levels were elevated in the supernatant when the collected T cells were co-cultured with iPS-SCs. The iPS-SCs had immunosuppressant effects even without cell-to-cell contact, and their effects were non-specific to the antigen preloaded on iPS-SCs. EAU was significantly milder in the mice administered iPS-SCs prior to immunization. Conclusions Macrophage-like iPS-SCs reduced Th1 immune response to a retinal antigen and Th1-mediated EAU in mice. These results showed the possibility of the application of iPS technology to the treatment of noninfectious ocular inflammation, endogenous uveitis, in the future.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Current eye research on 2021/12/02, available online:
Type: article (author version)
Appears in Collections:北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 南場 研一

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