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CT26.WT-Fluc-Neo

Species: Mouse

Cell type: Colorectal Cancer

Transgenes: Firefly luciferase (Fluc) with neomycin resistance (Neo) for selection with G418

Media: DMEM, 10% FBS, 1% Pen/Strep, 0.4mg/mL G418

Description: CT26.WT-Fluc-Neo is a polyclonal population of the murine colorectal carcinoma cell line CT26.WT (ATCC® CRL-2638™) transduced with LV-Fluc-P2A-Neo (LV011) encoding firefly luciferase (Fluc) cDNA under the spleen focus-forming virus (SFFV) promoter linked to the neomycin resistance gene (Neo) via a P2A cleavage peptide.

The lentiviral vector used is a self-inactivating (SIN) vector in which the viral enhancer and promoter has 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 LTR (Miyoshi et al., J Virol. 1998).

Cell Line Authentication: Authentication of the parental CT26.WT cell line was performed by short tandem repeat (STR) profiling with 27 STR loci. STR profiling of CT26.WT cells are verified and there is no interspecies cross contamination detected.

Recommended uses:

In vitro: This is a high Fluc expressing cell line suitable for use as a positive control cell line in bioluminescence assays to verify luciferase expression in your lentiviral transduced cells.

In vivo: CT26.WT cells form tumors post implantation into syngenic Balb/c mice. The in vivo growth of these metastases can be monitored using bioluminescent imaging with D-luciferin substrate.

Cell Morphology: Low- and high-density cell morphology (200x)

Transgene Validation:

Luciferase assay: 104-106 cells were placed in wells of a 96-well plate and 0.3 mg of d-luciferin was added to the indicated wells. The plate was immediately imaged using a Perkin Elmer IVIS® Spectrum system

Bioluminescent images showing growth of a subcutaneous CT26.WT-Fluc tumor in an athymic mouse

107 CT26.WT-Fluc-Neo cells were injected subcutaneously into the right flanks of female NCR athymic mice. Mice were imaged at day 0 on the day of cell implantation and subsequently at days 7 and 11 using a Perkin Elmer IVIS® Spectrum system, at 10-15 minutes post intraperitoneal injection of D-luciferin at 150 mg/kg. Tumor size was measured using calipers. Data from a representative mouse (ID#5815) is shown.

 

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Use Fewer Animals

Our Reduction Campaign

At Imanis, we are committed to promoting the practice of the 3Rs in animal research. Learn how we are decreasing the use of animals and research as well as saving up to 15% on your orders. Continue reading...