Genomic double-stranded DNA (dsDNA) (dsDNA)

Genomic double-stranded DNA (dsDNA) is the primary repository of genetic information in the cell nucleus, organized into complex structures called chromosomes (Alberts et al., Molecular Biology of the Cell). It serves as the essential template for both transcription into messenger RNA and high-fidelity replication during the cell cycle, ensuring the continuity of genetic information across generations. In the context of precision medicine, "user-defined loci" refers to specific genomic sequences targeted by programmable nucleases such as CRISPR-Cas9, Zinc Finger Nucleases (ZFNs), and TALENs to correct genetic defects or modulate gene expression (Jinek et al., 2012, Science; Urnov et al., 2010, Nature Reviews Genetics). Additionally, dsDNA is the pharmacological target for various cytotoxic drugs, including intercalators like Doxorubicin and alkylating agents like Cisplatin, which induce DNA damage to arrest cancer cell proliferation (PubChem, CID 2767; StatPearls, Doxorubicin). The clinical application of DNA-targeting therapies requires rigorous monitoring for off-target effects and genotoxicity to ensure genomic integrity is maintained (NIH, National Human Genome Research Institute).

Other names

Genomic DNAChromosomal DNANuclear DNATarget DNA sequenceDouble-stranded DNA

Site-specific DNA cleavage, DNA intercalation, DNA alkylation, and topoisomerase inhibition.