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Tumor Cell (p53-deficient)
- Molecular classification
- Cell
01
Overview
Tumor cells that lack functional p53 protein, a critical tumor suppressor. The loss of p53 function leads to uncontrolled cell proliferation, genomic instability, immune evasion, and resistance to therapy. These cells are characterized by an increased capacity to accumulate mutations and form aggressive tumors.
- Other names
- p53-deficient cancer cellTP53-mutated tumor cellp53 null tumor cell
02
Mechanism of action
Restoration/reactivation of mutant p53 function; Targeting pathways upregulated due to loss-of-p53 such as immune checkpoints (PD-L1), angiogenesis factors (VEGF), or inflammatory mediators.
03
Biological functions
Cell proliferationEvading apoptosisTumorigenesisImmune evasionAngiogenesisGenomic instability
04
Disease associations
CancerTherapy resistanceMetastasis
05
Safety considerations
Potential for off-target effects when targeting general pathways (e.g., angiogenesis)Development of resistance to p53-reactivating therapies
06
Interacting drugs
PRIMA-1MET
07
Biomarkers
p53 mutation statusPD-L1 expressionVEGF levelsIL-1β levels
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