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ProteomicsTEX264 coordinates p97- and SPRTN-mediated resolution of topoisomerase 1-DNA adducts
Eukaryotic topoisomerase 1 (TOP1) regulates DNA topology to ensure efficient DNA replication and transcription. TOP1 is also a major driver of endogenous genome instability, particularly when its catalytic intermediate - a covalent TOP1-DNA adduct known as a TOP1 cleavage complex (TOP1cc) - is stabi...
ORGANISM(S): Homo sapiens (Human) 
2020-03-13 | PXD017239 | Pride
Protein-dna adducts Vcp/p97 Top1 Tex264 Dna repair Genome stability Sprtn Dna replication 
ProteomicsSPARTAN Protease and Checkpoint Kinase 1 Cross-Activation Loop Safeguards Genome Stability
DNA-protein crosslinks (DPCs) are abundant DNA lesions, which constantly challenge genome stability by interfering with DNA replication. SPARTAN (SPRTN) protease plays a central role in DPCs repair in proliferative vertebrate cells. SPRTN is a constitutive part of the DNA replication machinery and i...
ORGANISM(S): Homo sapiens (Human) 
2019-11-08 | PXD006741 | Pride
Cancer Spartan protease Dna-protein crosslinks Ageing Genome stability Chk1 kinase Dna replication 
ProteomicsTEX264 drives selective autophagy of DNA lesions topromote DNA repair and cell survival
DNA repair and autophagy are distinct biological processes vital for cell survival. Although autophagy helpsmaintain genome stability, there is no evidence of its direct role in the repair of DNA lesions. We discoveredthat lysosomes process topoisomerase 1 cleavage complexes (TOP1cc) DNA lesions in ...
ORGANISM(S): Homo sapiens (Human) 
2024-09-03 | PXD046037 | Pride
Dna repair Topoisomerase 1- cleavage complex Tex264 Selective autophagy Protein degradation Genome stability 
ProteomicsMetalloprotease SPRTN/DVC1 Orchestrates Replication-Coupled DNA-Protein Crosslink Removal
Cytotoxicity of DNA-protein crosslinks (DPCs) is ascribed largely to their ability to block the progression of DNA replication fork. DPCs are frequently occurring in cells, either as a consequence of metabolism or exogenous agents. The mechanism of DPCs removal is not completely understood. Here, we...
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) 
2017-03-29 | MSV000080743 | MassIVE
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