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DNA double strand breaks (DSBs) are a major source of mutations. Both non-homologous-end-joining (NHEJ) and microhomology-mediated-end-joining (MMEJ) DSB repair pathways are error prone and produce deletions, which can lead to cancer. DSBs also lead to epigenetic changes, including demethylation, wh...
ORGANISM(S): Homo sapiens 
DNA double strand breaks (DSBs) are a major source of mutations. Both non-homologous-end-joining (NHEJ) and microhomology-mediated-end-joining (MMEJ) DSB repair pathways are error prone and produce deletions, which can lead to cancer. DSBs also lead to epigenetic changes, including demethylation, wh...
ORGANISM(S): Homo sapiens 
It has been established that short inverted repeats (SIRs) trigger base substitution mutagenesis in human cells. However, how the replication machinery deals with this structured DNA is unknown. We have previously reported that in human cell-free extracts, DNA primer extension using a structured sin...
ORGANISM(S): Homo sapiens (Human) 
2020-02-04 | PXD011156 | Pride
Transcriptomics reveals the role of NHEJ in mycobacterial antiphage defense
DNA double-strand breaks (DSBs) are highly cytotoxic lesions that – if misrepaired – can lead to genomic instability, cancer, and developmental disorders. While ubiquitin and select ubiquitin-like proteins (UBLs) are established regulators of DSB repair, many UBLs remain understudied. Here, through ...
ORGANISM(S): Homo sapiens (Human) 
2026-07-31 | PXD069185 | Pride
In the ongoing arms race with phages, bacteria have evolved diverse defense systems, such as CRISPR-Cas and restriction-modification systems. The DNA double-strand break (DSB) repair system represents a core mechanism for maintaining genomic integrity and is vital for cell survival. However, it rema...
ORGANISM(S): Mycolicibacterium smegmatis 
2026-01-01 | GSE315142 | GEO
Radiotherapy is one of the mainstays for the treatment of hepatocellular carcinoma (HCC); however, a substantial fraction of HCC patients develops radioresistance and eventually suffer from tumour progression or relapse, a major impediment to the use of radiotherapy. One of the main goals in HCC man...
ORGANISM(S): Homo sapiens (Human) 
2023-10-24 | PXD042218 | Pride
Transcriptome changes of Hela cells with blocking classical and alternative non-homologous end-joining (NHEJ) pathways
DNA methylation is stable after MMEJ and NHEJ double strand break repair
In mammalian cells, classical non-homologous end joining (c-NHEJ) is critical for DNA double-strand break repair induced by ionizing radiation and during V(D)J recombination in developing B and T lymphocytes. Recently, PAXX was identified as a new c-NHEJ core component. We report here, that PAXX-def...
ORGANISM(S): Homo sapiens (Human) 
2016-10-06 | PXD004659 | Pride
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