Target intelligence / Profile preview

DNA Repair Process

Molecular classification
Enzyme, DNA maintenance, Signaling pathway
01

Overview

DNA repair process refers to a collection of multiple pathways. It is not a single molecule but an array of tightly regulated molecular systems safeguarding genome stability through diverse enzymatic activities tailored for different types of genetic lesions. These pathways include Direct Reversal, Base Excision Repair (BER), Nucleotide Excision Repair (NER), Mismatch Repair (MMR), Homologous Recombination (HR), and Non-Homologous End Joining (NHEJ).

Other names
DNA repair mechanismsGenome maintenanceError correction pathways
02

Mechanism of action

Varies depending on the specific repair pathway and drug; e.g., PARP inhibitors block PARP-mediated DNA repair, leading to synthetic lethality in cells with HR deficiency.

03

Biological functions

Genome stabilityMutation preventionCell cycle regulationDNA replication fidelity
04

Disease associations

CancerAgingGenetic instability syndromesNeurodegenerative diseases
05

Safety considerations

Off-target effects of DNA repair inhibitorsDevelopment of resistance to DNA repair inhibitorsPotential for increased mutagenesis or genomic instability with certain repair inhibitors
06

Interacting drugs

PARP inhibitors

1 more in the full profile.

07

Biomarkers

BRCA1/2 mutations (for PARP inhibitor sensitivity)Microsatellite instability (MSI)Tumor Mutational Burden (TMB)Expression levels of DNA repair proteins

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