To determine how resistance to MDM2/p53 binding antagonists might develop, NGP cells were exposed to growth inhibitory concentrations of a MDM2 inhibitor, MI-63, and a clonal resistant cell line was generated. The p53 mediated responses of the parental and resistant cell line were compared. In contrast to the parental cell lines, p53 activation by Nutlin-3, MI-63 or ionizing radiation was not observed in the NGP derived cell line, N_M5R1.
Conditional:
No
Production details:
Resistant cell lines were established by exposing NGP cells to MI-63. Single cell derived colonies were isolated with cloning cylinders and the clonal population expanded in culture medium containing the MDM2/p53 antagonist refreshed weekly for 60 days. Stage 1 resistant clones were then further exposed to increased concentrations of MI-63 for 30 days to generate stage 2 resistant clones.
Cellosaurus ID:
CVCL_HG07
Parental cell line:
NGP
Disease:
Cancer
Cat. #:
152837
Provenance and Ownership:
The N_M5R1 Cell Line is owned by Cancer Research UK. CancerTools supplies the N_M5R1 Cell Line under licence from Cancer Research UK and is the authorised source for its distribution. Sourcing N_M5R1 Cell Line directly from the IP owner ensures authenticity, provenance and compliance with all applicable licensing and research use requirements.
Tool sub type:
Continuous
Unit size:
1×10^6 cells / vial
Tissue:
Lung
Model:
Cancer Model
Format:
Frozen
Storage conditions:
Liquid Nitrogen
Shipping conditions:
Dry ice
Mycoplasma free:
Yes
Biosafety level:
1
References:
TP53 mutant MDM2-amplified cell lines selected for resistance to MDM2-p53 binding antagonists retain sensitivity to ionizing radiation.
Drummond et al. 2016. Oncotarget. :. PMID: 27323823.
Human buccal mucosa modeling; Permeability, absorption and metabolism studies of various substances and enzymatically labile drugs; Drug delivery studies
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