Tubulin and DNA

The target "β-tubulin in microtubules + DNA" represents a composite therapeutic strategy involving two distinct molecular entities critical for cell division and survival. β-tubulin is a structural protein that polymerizes with α-tubulin to form microtubules, which are essential for maintaining cell architecture and forming the mitotic spindle during cell division (UniProt P07437). DNA serves as the primary carrier of genetic information, and its integrity is fundamental for replication and protein synthesis. In oncology, drugs targeting tubulin, such as taxanes and vinca alkaloids, disrupt microtubule dynamics to induce mitotic arrest, while DNA-targeting agents like alkylators or intercalators cause structural damage to trigger apoptosis (PubMed 22409561). This dual-targeting approach is frequently employed in combination chemotherapy or through the development of hybrid "combi-molecules" to enhance cytotoxic efficacy and overcome drug resistance mechanisms (PMC6321543). Consequently, while both are validated therapeutic targets, they are biologically and structurally separate components of the cellular machinery.

Other names

MicrotubulesDeoxyribonucleic acidTubulin-DNA dual targetTubulin and DNA

Dual mechanism involving the stabilization or destabilization of microtubule polymers and the covalent modification, cross-linking, or intercalation of DNA.