Searching journal content for articles similar to Fernández et al. 29 (4): 710.2.

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  1. ...is characterized by permissive marks, including H3K4me2/me3 (Fournier et al. 2002; McEwen and Ferguson-Smith 2010). Accordingly, at the -wide level, ICRs are discrete regions with a four-mark signature comprising partial DNA methylation, H3K4me3, H3K9me3, and H4K20me3 in somatic cells.With the exception...
  2. ...strongly enriched in the active chromatin mark H3K4me1 in stem and differentiated cells, suggesting this is a cell type–independent chromatin signature of DNA hypomethylation during aging. Analysis of scedasticity showed that interindividual variability of DNA methylation increased during aging in MSCs...
  3. ...Cell-type- and chromosome-specific chromatin landscapes and DNA replication programs of Drosophila testis tumor stem cell–like cells Jennifer A. Urban1, Daniel Ringwalt1, John M. Urban2,3, Wingel Xue1,5, Ryan Gleason1, Keji Zhao4 and Xin Chen1,2 1Department of Biology, The Johns Hopkins University...
  4. ...cells to re-enter the cell cycle partially restores a youthful H3K27me3 landscape, suggesting that DNA replication may rejuvenate chromatin structure (Yang et al. 2023). However, even mitotically active somatic stem cells display age-related increases in Polycomb repression: Aged Drosophila intestinal...
  5. ...19 20 21 2 Abstract 22 Parkinson’s disease (PD) is a prevalent neurodegenerative disorder predominantly affecting 23 individuals over 60. Its motor symptoms stem from the deterioration of dopaminergic neurons 24 within the substantia nigra. Despite aging being a significant risk factor, the specific...
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  6. ...and stochastic accumulation of epigenetic changes, such as DNA methylation variability, with advancing age. Although increasingly recognized for its potential role in aging biology, its extent, biological significance, and population specificity remain insufficiently characterized. Here, we present the first...
  7. ...resuspended in 2i media (about 106 cells/mL), DNA-stained with 10 µg/mL Hoechst-33342 (Sigma-Aldrich 14533) for 15 min at 37°C, and then stained with 1 µg/mL propidium iodide (Sigma-Aldrich P4864) to reveal cell viability. Single cells were sorted in G2/M using a BD Influx (BD Bioscience) into 96-well plates...
  8. ..., answering this question is important for understanding the potential of DNA methylation–based episignatures (Aref-Eshghi et al. 2021; Levy et al. 2022a) to shed light on the pathogenesis of the disorders. Although these episignatures are almost exclusively derived from whole blood, there is increasing...
  9. ...of candidate selection. (C) The experimental workflow. Sheared genomic DNA was hybridized to probes specific for the candidate enhancer regions. These regions were then cloned into the STARR-seq plasmid and transfected into phNPCs. (D,E) The fold change correlation between the two technical replicates...
  10. ...expression. Coordinates were rearranged so that the start/end of COL11A2, the extended class II gene adjacent in s to class II, is given coordinate 0. Pseudogenes are marked with asterisks. Upper right: MHC-I/MHC-like (if any) genes located outside the main MHC region. Lower part: The zoomed in “core” MHC...
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