Publications by authors named "S J Dubbury"

RNA surveillance pathways detect and degrade defective transcripts to ensure RNA fidelity. We found that disrupted nuclear RNA surveillance is oncogenic. Cyclin-dependent kinase 13 () is mutated in melanoma, and patient-mutated accelerates zebrafish melanoma.

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Article Synopsis
  • The study investigates how the BRCA deficiency and PARP inhibitors (PARPis) interact, revealing that PARPis are effective in both BRCA-mutated and non-BRCA mutated tumors due to different mechanisms of action.
  • It highlights that resistance to PARPis like Talazoparib develops, especially in non-BRCA mutated tumors, and explores the role of the SNAI2 transcription factor linked to the epithelial-mesenchymal transition (EMT) in this resistance.
  • The research suggests that targeting the PARP1/CHD1L/SNAI2 pathway may help overcome resistance and enhance the effectiveness of Talazoparib in treating non-BRCA mutated tumors.
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Mutations that attenuate homologous recombination (HR)-mediated repair promote tumorigenesis and sensitize cells to chemotherapeutics that cause replication fork collapse, a phenotype known as 'BRCAness'. BRCAness tumours arise from loss-of-function mutations in 22 genes. Of these genes, all but one (CDK12) function directly in the HR repair pathway.

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Tissue development and disease progression are multi-stage processes controlled by an evolving set of key regulatory factors, and identifying these factors necessitates a dynamic analysis spanning relevant time scales. Current omics approaches depend on incomplete biological databases to identify critical cellular processes. Herein, we present TRACER (TRanscriptional Activity CEll aRrays), which was employed to quantify the dynamic activity of numerous transcription factor (TFs) simultaneously in 3D and networks for TRACER (NTRACER), a computational algorithm that allows for cellular rewiring to establish dynamic regulatory networks based on activity of TF reporter constructs.

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