42 results found
    1. Neuroscience
    2. Physics of Living Systems

    Label-free three-photon imaging of intact human cerebral organoids for tracking early events in brain development and deficits in Rett syndrome

    Murat Yildirim, Chloe Delepine ... Mriganka Sur
    Label-free three-photon imaging of whole, uncleared intact organoids generated from Rett syndrome patients show shorter migration distances and slower migration speeds of mutant radially migrating neurons with more tortuous trajectories.
    1. Cell Biology

    Electron cryo-tomography reveals the subcellular architecture of growing axons in human brain organoids

    Patrick C Hoffmann, Stefano L Giandomenico ... Wanda Kukulski
    Combining cerebral organoid technology with cryo-correlative microscopy reveals the organization of cytoskeleton, membrane compartments, and protein synthesis machinery contributing to the rapid expansion of developing human axons.
    1. Neuroscience

    Mechanisms of hyperexcitability in Alzheimer’s disease hiPSC-derived neurons and cerebral organoids vs isogenic controls

    Swagata Ghatak, Nima Dolatabadi ... Stuart A Lipton
    Increased excitation and decreased inhibition associated with abnormal neuronal morphology, aberrant ion channel properties, and synaptic dysfunction contribute to hyperexcitability in Alzheimer’s disease hiPSC-derived neuronal cultures and cerebral organoids.
    1. Cell Biology
    2. Developmental Biology

    Differences and similarities between human and chimpanzee neural progenitors during cerebral cortex development

    Felipe Mora-Bermúdez, Farhath Badsha ... Wieland B Huttner
    Neural progenitors in humans and chimpanzee organoids show remarkably similar cellular and molecular parameters, but metaphase is longer during human mitosis.
    1. Developmental Biology
    2. Neuroscience

    RNA fusion in human retinal development

    Wen Wang, Xiao Zhang ... Zi-Bing Jin
    Chimeric RNAs are widely distributed spatiotemporally during human retinal development and have important regulatory functions, such as silencing of CTNNBIP1-CLSTN1 biasing the progenitor cells toward the RPE cell fate at the expense of neural retinal cell fates.
    1. Neuroscience
    2. Stem Cells and Regenerative Medicine

    Engineering induction of singular neural rosette emergence within hPSC-derived tissues

    Gavin T Knight, Brady F Lundin ... Randolph Scott Ashton
    A bioengineering approach identifies tissue morphology as an effective variable for controlling the inception of neural organoid morphogenesis via induction of a biomimetic, singular neural rosette tissue cytoarchitecture.
    1. Stem Cells and Regenerative Medicine
    2. Developmental Biology

    Integrated transcriptome and proteome analysis reveals posttranscriptional regulation of ribosomal genes in human brain organoids

    Jaydeep Sidhaye, Philipp Trepte ... Jürgen A Knoblich
    RNA-protein multiome approach helps to discover that the posttranscriptional regulation of the translational machinery is crucial for the fidelity of cortical development.
    1. Cell Biology
    2. Developmental Biology

    A tunable refractive index matching medium for live imaging cells, tissues and model organisms

    Tobias Boothe, Lennart Hilbert ... Jochen C Rink
    Iodixanol supplementation provides a simple method for tuning the refractive index of live imaging media, which can greatly improve resolution and penetration depth in live imaging experiments.
    1. Stem Cells and Regenerative Medicine

    A fully automated high-throughput workflow for 3D-based chemical screening in human midbrain organoids

    Henrik Renner, Martha Grabos ... Jan M Bruder
    Automated liquid handling, whole mount staining, and clearing allow unbiased 3D quantitation of cell markers in human neural organoids with diameters of up to 1 mm at the single-cell level.
    1. Neuroscience
    2. Stem Cells and Regenerative Medicine

    Generation of vascularized brain organoids to study neurovascular interactions

    Xin-Yao Sun, Xiang-Chun Ju ... Zhen-Ge Luo
    A vessel and brain fusion organoid model provides a platform for the study of interactions between neuronal and non-neuronal components during brain development and functioning.

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