Musculoskeletal conditions such as osteoarthritis (OA), bone fracture, and sarcopenia are highly prevalent [...].
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http://dx.doi.org/10.3390/bioengineering11121175 | DOI Listing |
Nat Cell Biol
January 2025
Department of Molecular, Cellular, and Developmental Biology, University of Colorado Boulder, Boulder, CO, USA.
Plasticity is needed during development and homeostasis to generate diverse cell types from stem and progenitor cells. Following differentiation, plasticity must be restricted in specialized cells to maintain tissue integrity and function. For this reason, specialized cell identity is stable under homeostatic conditions; however, cells in some tissues regain plasticity during injury-induced regeneration.
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January 2025
The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA, USA.
The development of the human neocortex is highly dynamic, involving complex cellular trajectories controlled by gene regulation. Here we collected paired single-nucleus chromatin accessibility and transcriptome data from 38 human neocortical samples encompassing both the prefrontal cortex and the primary visual cortex. These samples span five main developmental stages, ranging from the first trimester to adolescence.
View Article and Find Full Text PDFNat Commun
January 2025
Gleiberman Head and Neck Cancer Center, Moores Cancer Center, University of California San Diego Health, La Jolla, CA, 92037, USA.
Tumor initiation represents the first step in tumorigenesis during which normal progenitor cells undergo cell fate transition to cancer. Capturing this process as it occurs in vivo, however, remains elusive. Here we employ spatiotemporally controlled oncogene activation and tumor suppressor inhibition together with multiomics to unveil the processes underlying oral epithelial progenitor cell reprogramming into tumor initiating cells at single cell resolution.
View Article and Find Full Text PDFLife Sci Alliance
March 2025
https://ror.org/05f950310 Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
Mammalian pre-implantation development is entirely devoted to the specification of extra-embryonic lineages, which are fundamental for embryo morphogenesis and support. The second fate decision is taken just before implantation, as defined by the epiblast (EPI) and the primitive endoderm (PE) specification. Later, EPI forms the embryo proper and PE contributes to the formation of the yolk sac.
View Article and Find Full Text PDFACS Appl Mater Interfaces
January 2025
Mechanobiology Institute Singapore, National University of Singapore, Singapore 117411, Singapore.
Focal adhesions (FAs) are force-bearing multiprotein complexes, whose nanoscale organization and signaling are essential for cell growth and differentiation. However, the specific organization of FA components to exert spatiotemporal activation of FA proteins for force sensing and transduction remains unclear. In this study, we unveil the intricacies of FA protein nanoarchitecture and that its dynamics are coordinated by a molecular scaffold protein, BNIP-2, to initiate downstream signal transduction for cardiomyoblast differentiation.
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