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Target intelligence / Profile preview
Hypoxic Cell DNA (via Bioreductive Activation) (N/A)
- Target
- N/A
- Molecular classification
- DNA, Nucleic Acid, Bioreductive Target
01
Overview
Hypoxic cell DNA, as a therapeutic target, refers to the genetic material within cells located in low-oxygen (hypoxic) regions of solid tumors. The targeting is achieved through bioreductive activation: drugs known as hypoxia-activated prodrugs (HAPs) remain inactive under normal oxygen conditions but become cytotoxic when reduced by cellular enzymes present in hypoxic environments. This leads to DNA damage and cell death specifically within the hypoxic tumor microenvironment.
- Other names
- Hypoxia-activated prodrug targetBioreductive agent targetTumor hypoxia DNA
02
Mechanism of action
Bioreductive activation of prodrugs in hypoxic conditions, leading to DNA damage (double-strand breaks, base modifications, alkylation/crosslinking) and cell death.
03
Biological functions
Genome maintenanceCell survivalCell death (via drug-induced damage)
04
Disease associations
CancerDrug resistance
05
Safety considerations
Off-target toxicity due to systemic enzyme expressionTwo-electron reductions occurring independently of oxygen statusVariability in tumor hypoxia levels and enzyme activity affecting drug efficacyPotential for drug resistance development
06
Interacting drugs
Tirapazamine
3 more in the full profile.
07
Biomarkers
Degree of tumor hypoxia (e.g., pO2 measurements)Expression/activity levels of activating enzymes (NADPH-cytochrome P450 reductase, AKR 1C3, NQO1)Tumor pH
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