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A20 cells tib 208

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A20 cells (TIB-208) are a well-established mouse B cell lymphoma cell line. They are routinely used in immunology research and assays.

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3 protocols using a20 cells tib 208

1

Generation of Murine Tumor Cell Lines

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EL4 cells (catalog number: 87020408) were purchased from Sigma. Murine CD19 was transduced into EL4 via viral transduction. Phoenix-ECO (catalog number: CRL-3214) and A20 cells (TIB-208) were purchased from ATCC. A20-MHC I and MHCII knockout lines were generated using CRISPR as described (12 (link)). Tumor cells were maintained in RPMI-1640 supplemented with 10% fetal bovine serum (FBS), 2 mM L-glutamine and 1% penicillin/streptomycin. Retroviral producing cell lines (Phoenix-ECO and 293 Glv9) were maintained in Dulbecco's modified Eagle's medium (DMEM) supplemented with 10% FBS, 2 mM L-glutamine and 1% penicillin/streptomycin. All cell lines are regularly tested for mycoplasma contamination.
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2

Generation of Murine Tumor Cell Lines

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EL4 cells (catalog number: 87020408) were purchased from Sigma. Murine CD19 was transduced into EL4 via viral transduction. Phoenix-ECO (catalog number: CRL-3214) and A20 cells (TIB-208) were purchased from ATCC. A20-MHC I and MHCII knockout lines were generated using CRISPR as described (12 (link)). Tumor cells were maintained in RPMI-1640 supplemented with 10% fetal bovine serum (FBS), 2 mM L-glutamine and 1% penicillin/streptomycin. Retroviral producing cell lines (Phoenix-ECO and 293 Glv9) were maintained in Dulbecco's modified Eagle's medium (DMEM) supplemented with 10% FBS, 2 mM L-glutamine and 1% penicillin/streptomycin. All cell lines are regularly tested for mycoplasma contamination.
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3

Enzymatic Substrate Cleavage Assay

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SPPL2a, SPPL2b, SPP, and chimeric substrate FBA were generated as previously described (Ran et al, 2015). A20 cells (TIB‐208; ATCC, Manassas, VA, USA) were cultured in RPMI‐1640 medium (ATCC) supplied with 10% fetal bovine serum, 1% penicillin/streptomycin, and 0.05 mM 2‐mercaptoethanol (Life Technologies). Various concentrations of GSIs and (ZLL)2‐ketone as indicated in figures were applied to transfected HEK 293t cells at 70–90% confluence or A20 cells at a density of 5 × 105 cells/ml with fresh media in 48‐well format for 16 h. Cells and conditioned media were used for WB, IP, and ELISA.
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