Source: Good, M. L., et al. Using Human Induced Pluripotent Stem Cells for the Generation of Tumor Antigen-specific T Cells. J. Vis. Exp. (2019).
This video demonstrates an assay to generate tumor antigen-specific induced pluripotent stem cell (iPSC)-derived CD8αβ+ T Cells. Tumor antigen-specific iPSCs are grown on a stromal cell monolayer and differentiated into hematopoietic progenitor cells (HPCs). The HPCs are differentiated into CD4+ CD8+ double-positive T cells using a differentiation medium. These cells are then stimulated to generate single-positive T cells expressing CD8.
1. Culturing Human iPSCs (hiPSCs) on Mouse Embryonic Fibroblasts (MEF)
NOTE: Alternative methods for culturing hiPSCs can also be used, including but not limited to seeding onto a 6-well plate pre-coated with gelatin, a gelatinous protein mixture, recombinant laminin 511, or any other extracellular matrix used in hiPSC expansion, and cultured using defined media specially formulated for human pluripotent stem cell culture.
2. Preparation of OP9/DLL1 Cells for Co-culture with hiPSCs
3. In Vitro Differentiation of hiPSCs into CD8αβ+ Single Positive (SP) T Cells
Figure 1: Generation of hiPSC-derived hematopoietic progenitor cells. (A) Schematic overview of the differentiation of hiPSCs to hematopoietic lineage using OP9/DLL1 co-culture. (B) Appearance of hiPSC-derived structures on days 1 (top left), 3 (top right), 7 (bottom left), and 13 (bottom right). Scale bars = 100 µm. (C) Flow cytometric analysis of hiPSC-derived CD34+CD43+ hematopoietic progenitor cells on day 13. Data represent six independent experiments (n = 1 to 2).
Figure 2: hiPSC differentiation into Mart1+ CD4+CD8αβ+ DP T cells. (A) Schematic overview of the differentiation of hiPSC-derived hematopoietic lineage to immature T cells using OP9/DLL1 co-culture. (B) Flow cytometric analysis of CD4 vs. CD8α, CD3 vs. CD8β, and MART-1 tetramer expression in hiPSC-derived T cells on day 35. Gated on lymphocytes, single cells, PI negative. Data represent three independent experiments (n = 3 – 8).
The authors have nothing to disclose.
10 cm dish | Corning, Inc. | 353003 | |
Anti-CD3, human | BD Biosciences | Cat# 561812, RRID:AB_1089628 | |
Anti-CD34, human | BD Biosciences | Cat# 348791, RRID:AB_400381 | |
Anti-CD4, human | Biolegend | Cat# 344612, RRID:AB_2028479 | |
Anti-CD43, human | BD Biosciences | Cat# 560198, RRID:AB_1645460 | |
Anti-CD7, human | BD Biosciences | Cat# 555361, RRID:AB_395764 | |
Anti-CD8a, human | BD Biosciences | Cat# 555369, RRID:AB_398595 | |
Anti-CD8b, human | BD Biosciences | Cat# 641057, RRID:AB_1645747 | |
Anti-TCRb, human | BD Biosciences | Cat# 555548, RRID:AB_395932 | |
CD28 human monoclonal antibody (15E8), pure functional grade | Miltenyl Biotec | 130-093-375 | |
CD3 human monoclonal antibody (OKT3), pure functional grade | Miltenyl Biotec | 130-093-387 | |
CD4 Microbeads, human | Miltenyl Biotec | 130-045-101 | |
Cell strainer 100 um | Fisher Scientific | 22-363-549 | |
Fetal Bovine Serum (FBS) | Gemini | 100-500 | |
Flt-3 ligand | R&D Systems | 427-FL | |
Gelatin Solution 2% | SIGMA-Aldritch | G1393-100ML | |
GlutaMAX (100X) | Thermo Fisher Scientific | 35050-061 | L-Glutamine supplement |
HBSS Mg+Ca+ Phenol-Red Free | Gibco | 14025-092 | |
Interleukin-2 | R&D Systems | 202-IL | |
Interleukin-7 | R&D Systems | 407-ML | |
iTAG MHC Tetramer HLA-A*0201 Mart1 Tetramer -ELAGIGILTV | MBL | Cat#TB-0009-2 | |
Mart1-hiPSC | Vizcardo et al., Cell Stem Cell 2013 | RIKEN-IMS | |
Melan-A, MART 1 (26-35) | InnoPep | 3146-0100 | |
MEM Non-Essential Amino Acids Solution | Gibco | 11140050 | |
αMEM powder | Gibco | 61100061 | |
Mouse Embryonic Fibroblasts (MEF) | Thermo Fisher Scientific | C57BL/6 MEF MITC-TREATED 4M EACH; A34962 | |
OP9/N-DLL1 | Riken Bioresource center | Cat# RCB2927; RRID:CVCL_B220 | OP9/DLL1 |
Penicillin/streptomycin | Thermo Fisher Scientific | 15140-122 | |
Phosphate buffered saline pH 7.4 (1x) | Thermo Fisher Scientific | 10010-023 | |
Primate ES Cell Medium | Reprocell | RCHEMD001 | Human ESC Culture Media |
Rhok inhibitor (Y-27632 dihydrochloride) | Tocris | 1254 | |
RPMI 1640 | Gibco | 11875093 | |
Stem Cell Factor (SCF) | R&D Systems | 455-MC | |
StemPro | EZPassage | 23181-010 | |
T2-tumor | ATCC | T2 (174 x CEM.T2) (ATCC® CRL-1992™) | |
Trypsin-EDTA (0.05%), phenol red | Thermo Fisher Scientific | 25300-062 | |
Trypsin-EDTA (0.25%), phenol red | Thermo Fisher Scientific | 25200-072 | |
U Bottom 96 well plate | Corning, Inc. | 3799 |
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