170 results found
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Human perivascular stem cell-derived extracellular vesicles mediate bone repair

    Jiajia Xu, Yiyun Wang ... Aaron Watkins James
    Perivascular extracellular vesicles induce bone repair, and do so via tetraspanin binding to recipient skeletal progenitor cells.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Reprogramming the antigen specificity of B cells using genome-editing technologies

    James E Voss, Alicia Gonzalez-Martin ... Dennis R Burton
    Antibody paratopes can be added to the human repertoire by CRISPR-Cas9 editing of B lymphocytes using a strategy that allows for hypermutation and class switching of resulting B cell receptors.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Mir155 regulates osteogenesis and bone mass phenotype via targeting S1pr1 gene

    Zhichao Zheng, Lihong Wu ... Janak L Pathak
    Mir155 showed a catabolic effect on osteogenesis and bone mass phenotype via interaction with the S1pr1 gene, suggesting inhibition of Mir155 as a potential approach to bone regeneration and bone defect healing.
    1. Medicine
    2. Stem Cells and Regenerative Medicine

    Lysosomal protein surface expression discriminates fat- from bone-forming human mesenchymal precursor cells

    Jiajia Xu, Yiyun Wang ... Aaron W James
    CD107a expression divides osteogenic from adipogenic perivascular precursor cells within human white adipose tissue.
    1. Developmental Biology
    2. Evolutionary Biology

    Secondary ossification center induces and protects growth plate structure

    Meng Xie, Pavel Gol'din ... Andrei S Chagin
    The principle underlying the appearance of the growth plate, an organ responsible for longitudinal growth, has implications for various cartilage pathologies including growth abnormalities in children, trauma and osteoarthritis.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Apoptotic signaling clears engineered Salmonella in an organ-specific manner

    Taylor J Abele, Zachary P Billman ... Edward A Miao
    Clearance of engineered Salmonella which trigger regulated cell death is dependent upon the cellular 'bucket list,' which is determined both by cell death signaling pathway and by cell type infected.
    1. Cell Biology

    The mechanosensitive Piezo1 channel is required for bone formation

    Weijia Sun, Shaopeng Chi ... Yingxian Li
    Piezo1 functions as a key mechanotransducer for conferring mechanosensitivity to osteoblasts and determining mechanical-load-dependent bone formation, and represents a novel therapeutic target for treating osteoporosis or unloading-induced severe bone loss.
    1. Stem Cells and Regenerative Medicine

    Identification of phenotypically, functionally, and anatomically distinct stromal niche populations in human bone marrow based on single-cell RNA sequencing

    Hongzhe Li, Sandro Bräunig ... Stefan Scheding
    Single-cell transcriptomic profiling of human bone marrow non-hematopoietic cells provides the basis for a comprehensive understanding of the cellular complexity of the hematopoietic stem cell (HSC) microenvironment and the intricate stroma-hematopoiesis crosstalk mechanisms.
    1. Stem Cells and Regenerative Medicine

    High-resolution imaging of the osteogenic and angiogenic interface at the site of murine cranial bone defect repair via multiphoton microscopy

    Kevin Schilling, Yuankun Zhai ... Xinping Zhang
    High-resolution multiphoton microscopy reveals coupling of blood vessel subtype with expanding osteoblasts at the bone regeneration interface, further highlighting the heterogeneity of oxygen microenvironment and its impact on cellular energy metabolism of bone and vessel forming cells.
    1. Cell Biology

    Spatial transcriptomics reveals metabolic changes underly age-dependent declines in digit regeneration

    Robert J Tower, Emily Busse ... Mimi C Sammarco
    Metabolic supplementation attenuates age-dependent declines in regeneration.

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