Extracellular Matrix News Volume 15.13 | Apr 11 2024

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    2024-04-11 | ECM 15.13


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 15.13 – 11 April, 2024
    TOP STORY

    Spatial Architecture of Myeloid and T Cells Orchestrates Immune Evasion and Clinical Outcome in Lung Cancer

    In immune-hot adenocarcinomas, spatial niches of T cells and macrophages increased with clonal neoantigen burden, whereas such an increase was observed for niches of plasma and B cells in immune-excluded squamous cell carcinomas.
    [Cancer Discovery]

    Abstract
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    Harnessing Developmental Dynamics of Spinal Cord Extracellular Matrix Improves Regenerative Potential of Spinal Cord Organoids

    Scientists found that early developmental spinal cord had higher levels of ECM proteins associated with neural development and axon growth, but fewer inhibitory proteoglycans, compared to those of adult spinal cord.
    [Cell Stem Cell]

    AbstractGraphical Abstract

    Compensatory Growth and Recovery of Cartilage Cytoarchitecture after Transient Cell Death in Fetal Mouse Limbs

    Researchers showed that transient sparse cell death in the mouse fetal cartilage was repaired postnatally, via a two-step process. During injury, progression of chondroprogenitors towards more differentiated states is delayed, leading to altered cartilage cytoarchitecture and impaired bone growth.
    [Nature Communications]

    Full Article

    Sprouty Genes Regulate Activated Fibroblasts in Mammary Epithelial Development and Breast Cancer

    Investigators showed in mammary stromal fibroblasts that loss of the receptor tyrosine kinase (RTK) negative feedback regulators encoded by Spry1, Spry2, and Spry4 causes upregulation of signaling in multiple RTK pathways and increased extracellular matrix remodeling.
    [Cell Death & Disease]

    Full Article

    Human Placenta Decellularized Extracellular Matrix Hydrogel Promotes the Generation of Human Spinal Cord Organoids with Dorsoventral Organization from Human Induced Pluripotent Stem Cells

    The authors introduced a novel human decellularized placenta-derived ECM hydrogel and, combined with a new induction protocol, successfully construct human spinal cord organoids.
    [ACS Biomaterials Science & Engineering]

    AbstractGraphical Abstract

    Expression Levels and DNA Methylation Profiles of the Growth Gene SHOX in Cartilage Tissues and Chondrocytes

    Microarray-based transcriptome analysis of the cartilage tissues of four adults and chondrocytes of 12 children showed that the median expression levels of SHOX, a growth gene in the pseudoautosomal region, were higher in male samples than in female samples.
    [Scientific Reports]

    Full Article

    SimuCell3D: Three-Dimensional Simulation of Tissue Mechanics with Cell Polarization

    Researchers presented SimuCell3D, an efficient open-source program to simulate large tissues in three dimensions with subcellular resolution, growth, proliferation, extracellular matrix, fluid cavities, nuclei and non-uniform mechanical properties, as found in polarized epithelia.
    [Nature Computational Science]

    Full Article
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    REVIEWS

    Mechanical State Transitions in the Regulation of Tissue Form and Function

    Scientists focus on the biological basis of tissue-scale mechanical state transitions, how they emerge from molecular and cellular interactions, and their roles in organismal development, homeostasis, regeneration and disease.
    [Nature Reviews Molecular Cell Biology]

    Abstract

    Induced Pluripotent Stem Cells in Cartilage Tissue Engineering: A Literature Review

    Investigators focus on chondrogenic differentiation and 3D bioprinting technologies using hiPSCS, suggesting them as a viable source for successful tissue engineering.
    [Bioscience Reports]

    Abstract
    INDUSTRY AND POLICY NEWS

    Federal Agency Supports Research to Improve Nanofiber Production

    A team of engineers from the Rowan-Virtua School of Translational Biomedical Engineering & Sciences and the Henry M. Rowan College of Engineering has developed novel technology for fabricating aligned nanofibers in continuous rolls of material.
    [Rowan University]

    Press Release
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    JOB OPPORTUNITIES

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    New York University Abu Dhabi – Abu Dhabi, United Arab Emirates

    Postdoctoral Positions – Biotechnology

    Sapienza University – Rome, Italy

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