Target intelligence / Profile preview

DNA Polymerases

Molecular classification
Enzyme
01

Overview

DNA polymerases are the primary enzymes responsible for DNA synthesis. These enzymes catalyze the addition of deoxyribonucleotides to a growing DNA strand, using an existing strand as a template and requiring a primer with a free 3′-hydroxyl group to initiate synthesis. The process is essential for cell division and is targeted by several chemotherapeutic agents, including cyclophosphamide, epirubicin, and fluorouracil.

Other names
DNA synthesis enzyme
02

Mechanism of action

Inhibition of DNA synthesis by various mechanisms including nucleotide depletion, DNA crosslinking, and topoisomerase II inhibition.

03

Biological functions

Genome duplicationCell cycle progressionDNA replication
04

Disease associations

Cancer
05

Safety considerations

MyelosuppressionCardiotoxicity (for anthracyclines)Development of resistanceDrug-drug interactions
06

Interacting drugs

Cyclophosphamide

2 more in the full profile.

07

Biomarkers

TYMS expression (for fluorouracil)DPYD variants (for fluorouracil)CYP2C19 variants (for cyclophosphamide)

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