Since its introduction as a genetic model organism, has yielded insights into the causes of aging. In addition, it has provided a molecular understanding of mechanisms of neurodegeneration, one of the devastating effects of aging. However, has been less popular as an animal model to investigate DNA repair and genomic instability, which is a major hallmark of aging and also a cause of many rare neurological disorders. This article provides an overview of DNA repair pathways in and the impact of DNA repair on aging hallmarks, such as mitochondrial dysfunction, telomere maintenance, and autophagy. In addition, we discuss how the combination of biological characteristics, new technical tools, and the potential of following precise phenotypic assays through a natural life-course make an ideal model organism to study how DNA repair impact neurodegeneration in models of common age-related neurodegenerative diseases.
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http://dx.doi.org/10.3389/fragi.2022.916118 | DOI Listing |
J Med Chem
January 2025
Université de Caen Normandie, CERMN UR4258, Normandie Univ, F-14000 Caen, France.
UBE2N protein belongs to the UE2s family and plays a crucial role in DNA repair, making it an exciting target for the development of innovative anticancer therapies. With the aim of discovering UBE2N inhibitors (UBE2Ni), this perspective seeks to review and provide elements to guide the design of new compounds. We propose a chemoinformatic structural analysis of the protein and its areas of interaction with its different partners.
View Article and Find Full Text PDFNat Cell Biol
January 2025
Genome Integrity Unit, Children's Medical Research Institute, University of Sydney, Westmead, New South Wales, Australia.
Double-strand breaks (DSBs) can initiate mitotic catastrophe, a complex oncosuppressive phenomenon characterized by cell death during or after cell division. Here we unveil how cell cycle-regulated DSB repair guides disparate cell death outcomes through single-cell analysis of extended live imaging. Following DSB induction in S or G2, passage of unresolved homologous recombination intermediates into mitosis promotes non-immunogenic intrinsic apoptosis in the immediate attempt at cell division.
View Article and Find Full Text PDFNPJ Biofilms Microbiomes
January 2025
Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Química Biológica "Ranwel Caputto", Córdoba, Argentina.
Biofilms are critical in the persistence of Pseudomonas aeruginosa infections, particularly in cystic fibrosis patients. This study explores the adaptive mechanisms behind the phenotypic switching between Small Colony Variants (SCVs) and revertant states in P. aeruginosa biofilms, emphasizing hypermutability due to Mismatch Repair System (MRS) deficiencies.
View Article and Find Full Text PDFStructural variations (SVs) play important roles in genetic diversity, evolution, and carcinogenesis and are, as such, important for human health. However, it remains unclear how spatial proximity of double-strand breaks (DSBs) affects the formation of SVs. To investigate if spatial proximity between two DSBs affects DNA repair, we used data from 3C experiments (Hi-C, ChIA-PET, and ChIP-seq) to identify highly interacting loci on six different chromosomes.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Department of Urology, The Second Hospital & Clinical Medical School, Lanzhou University, Lanzhou, China; Gansu Province Clinical Research Center for Urinary System Disease, Lanzhou, China. Electronic address:
Chemotherapy remains a cornerstone in the treatment of bladder cancer (BLCA); however, the development of chemoresistance substantially limits its efficacy and significantly affects patient survival. Thus, elucidating the molecular mechanisms underlying BLCA chemoresistance is critical to improving patient outcomes. Our study identified MCM6 as an oncogene that facilitates BLCA proliferation and invasion and is linked to cisplatin resistance.
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