DNA Repair Mechanisms

Study identifies BRN2-mediated and SHLD2-related resistance to talazoparib in BRCA-mutant breast cancer, proposing combination therapy approaches to improve neoadjuvant treatment outcomes.

Study reveals how elevated DNA damage and impaired repair mechanisms drive selective vulnerability of cortical neurons in MS and neuroinflammation.

Study reveals ATF4 regulates DNA repair genes critical for development of expanded upper cortical layers in mammalian brains, enabling progenitor survival under replicative stress.

Study reveals PAF15-PCNA interaction as a strand-specific constraint that couples lagging-strand synthesis capacity to global DNA replication control through dosage-sensitive mechanism.

Study reveals that antibacterial drugs inhibit different gyrase-mediated catalytic activities at varying concentrations, with DNA topology modulating drug potency beyond DNA cleavage mechanisms.

BrDMC1 gene overexpression improves pollen fertility and meiotic stability in Brassica rapa under high-temperature stress by enhancing DNA repair and antioxidant defenses.

Complex paracentric inversion of chromosome 6q with multiple sequential inversions generated recombinant chromosomes in offspring, challenging traditional reproductive risk assumptions.

Development and validation of a bioinformatics pipeline for analyzing HT-SELEX data to characterize DNA-binding properties of telomeric proteins in human and C. elegans.

Synthesis and anticancer evaluation of PCNA inhibitor AOH1996 analogs in MCF-7 and U87 cancer cell cultures with SAR analysis and ADMET prediction

Study reveals mitotic microhomology-mediated break-induced replication drives chromoanasynthesis, a complex chromosomal rearrangement mechanism in cancer and congenital disorders.

Explore histone modifications during C. elegans embryonic cell division, examining H4K20me1, H3S10ph, and other epigenetic marks that regulate chromatin dynamics and mitotic progression.

Cryo-EM re-evaluation of human DNA polymerase epsilon-PCNA reveals unexpected multi-site DNA binding behavior contradicting prior mechanistic interpretations of mismatch recognition and proofreading.

Discovery of dciA gene in Helicobacter pylori challenges established chromosome replication models and reveals limitations in current helicase loader identification methodologies.

SFPQ directs histone H3.3 deposition to R-loops in repetitive DNA elements through DAXX recruitment, suppressing replication stress and genome instability while activating innate immune responses.

Tel1-mediated negative feedback propagates locally to reshape genome-wide meiotic DSB patterns in yeast, demonstrating how localized regulation drives emergent patterning.

Integrated analysis of Pol I structural mechanisms, regulatory pathways, disease associations, and emerging therapeutic strategies targeting this essential eukaryotic transcriptional machinery.

Integrated analytical framework reveals 7.13-fold enrichment of doublet base substitutions at inversion breakpoints in chronic low-dose radiation exposure of human cells.

Cryo-EM structure of human CTF18–RFC clamp loader bound to PCNA reveals autoinhibited conformation and unique structural features governing leading strand synthesis.

Structural analysis revealing how the intrinsically disordered protein Bora bridges Aurora-A kinase and PLK1 substrate recognition through phosphorylation-dependent mechanisms during mitotic entry.

Whole-genome sequencing of Drosophila reveals chromosome-specific recombination patterns in meiotic nondisjunction, with metacentric chromosome 2 showing reduced recombination.