Ba/F3 KRAS-G12C-Q99L Cell Line

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Kirsten rat sarcoma viral oncogene homologue (KRAS) is the best-known oncogene with the highest mutation rate among all cancers and is associated with a series of highly fatal cancers, including pancreatic ductal adenocarcinoma (PDAC), nonsmall-cell lung cancer (NSCLC), and colorectal cancer (CRC). The identification of tumor driver genes and the development of specific inhibitors have revolutionized cancer treatment strategies and clinical outcomes. Ba/F3 cell, a murine interleukin-3 dependent pro-B cell line, is a popular system for exploring both kinases and their inhibitors, because some protein kinases can render the Ba/F3 cells to be depended on the activation of the kinases instead of IL-3 supplement, while their inhibitors can antagonize the kinase-dependent growth effects.


Catalog Number:
Cell Line Name:
Ba/F3 KRAS-G12C-Q99L Cell Line
Host Cell Line:
Mouse Ba/F3 cell line
Stable Ba/F3 clone expressing exogenous KRAS bearing G12C-Q99L amino acid mutation
One vial of frozen cells (5X106 per vial)
Stable in culture over a minimum of 10 passages
Drug screening and biological assays
Freeze Medium:
70% RPMI1640+20% FBS+10% DMSO
Propagation Medium:
Selection Marker:
Mostly single, round (some polymorph) cells in suspension
Split saturated culture 1:10 every 3 days; seed out at about 1-3 × 105 cells/mL
37 °C with 5% CO2
Liquid nitrogen immediately upon receiving
Doubling Time:
Approximately 20 hours
Mycoplasma Status:

Cell Line Generation

Ba/F3 KRAS-G12C-Q99L cell Line was generated using retrovirus vector expressing human KRAS-G12C-Q99L sequence.

Characterization using PCR sequencing and WB




Cell Resuscitation

1. Prewarm culture medium (RPMI1640 + 10%FBS) in a 37°C water bath. 2. Thaw the frozen vial in a 37°C water bath for 1-2 minutes. 3. Transfer the vial into biosafety cabinet, and wipe the surface with 70% ethanol. 4. Unscrew the top of the vial and transfer the cell suspension gently into a sterile centrifuge tube containing 9.0mL complete culture medium. 5. Spin at ~ 125 × g for 5-7 minutes at room temperature, and discard the supernatant without disturbing the pellet. 6. Resuspend cell pellet with the appropriate volume of complete medium and transfer the cell suspension into a T25 culture flask. 7. Incubate the flask at 37°C, 5% CO2 incubator. 8. Split saturated culture 1:10 every 3 days; seed out at about 1-3 × 105 cells/mL.

Cell Freezing

1. Prepare the freezing medium (70% RPMI-1640 + 20% FBS + 10% DMSO) fresh immediately before use. 2. Keep the freezing medium on ice and label cryovials. 3. Transfer cells to a sterile, conical centrifuge tube, and count the cells. 4. Centrifuge the cells at 250×g for 5 minutes at room temperature and carefully aspirate off the medium. 5. Resuspend the cells at a density of at least 3×106 cells/mL in chilled freezing medium. 6. Aliquot 1 mL of the cell suspension into each cryovial. 7. Freeze cells in the CoolCell freezing container overnight in a -80°C freezer. 8. Transfer vials to liquid nitrogen for long-term storage


1. Lamei Huang, Zhixing Guo, Fang Wang & Liwu Fu. "KRAS mutation: from undruggable to druggable in cancer". Signal Transduction and Targeted Therapy (2021) 6:386 ; https://doi.org/10.1038/s41392-021-00780-4.
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