This is a cell line derived from the human B-lymphoblast Raji cell line (ATCC® CCL-86TM).
This is a cell line derived from the human B-lymphoblast Raji cell line (ATCC® CCL-86TM). Parental Raji cells were transduced with LV-SFFV-Luc2-P2A-EmGFP (Imanis #LV050) encoding an enhanced firefly luciferase (Fluc) cDNA under the spleen focus-forming virus (SFFV) promoter and linked to the emerald green fluorescent protein (EmGFP) via a P2A cleavage peptide. Selection was carried out using a methylcellulose-based semi-solid medium.
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This cell line has tested negative for mycoplasma contamination.
Cell morphology (200x)
The indicated number of cells were placed in wells of a 96-well plate. After the addition of 3 mg/mL d-luciferin, the plate was immediately imaged using an IVIS Spectrum. The total flux (photons/sec) was plotted as a function of cell number.
Raji-Fluc-EmGFP (green) or isotype control (Raji Parental; grey) cells were fixed with paraformaldehyde and analyzed by flow cytometry.
Raji-Fluc-EmGFP (green) cells were stained with isotype control antibody (grey) or antibody specific to BCMA (top, left), CD19 (top, right), or GPRC5D (bottom) and analyzed by flow cytometry.
A Nude mouse was implanted with 5 x 106 Raji-Fluc-EmGFP (CL159) cells in the right hind flank. Tumor growth was monitored over time using calipers.
Complete Growth Medium: RPMI-1640 Medium (RPMI), supplemented with 10% fetal bovine serum (FBS), 1% Penicillin/Streptomycin.
The cells should be subcultured as needed to maintain a density between 5 x 105 and 2 x 106 cells/mL. The cells can be passaged by dilution in fresh complete growth medium. Regular passage using low-speed centrifugation is recommended to limit the amount of debris in cultures.
These cells are suitable for in vitro and in vivo experimentation.
The luciferase transgene facilitates in vivo noninvasive bioluminescent imaging of implanted cells. EmGFP is not recommended for whole animal in-live imaging. Rather, samples can be collected postmortem for analysis by conventional fluorescence microscopy or flow cytometry.
These cells were generated via lentiviral vector transduction. The lentiviral vector is a self-inactivating (SIN) vector in which the viral enhancer and promoter have been deleted. Transcription inactivation of the LTR in the SIN provirus increases biosafety by preventing mobilization by replication competent viruses and enables regulated expression of the genes from the internal promoters without cis-acting effects of the LTR1.
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