225 results found
    1. Developmental Biology
    2. Neuroscience

    p75NTR prevents the onset of cerebellar granule cell migration via RhoA activation

    Juan P Zanin, Wilma J Friedman
    The p75 neurotrophin receptor prevents the migration of the granule cell precursors away from its mitogenic niche in the external granule layer of the cerebellum, by maintaining a pool of undifferentiated cells capable of responding to mitogenic signals.
    1. Neuroscience

    Differential 3’ processing of specific transcripts expands regulatory and protein diversity across neuronal cell types

    Saša Jereb, Hun-Way Hwang ... Robert B Darnell
    Differential expression of 3'UTR isoforms expands regulatory and protein diversity in cerebellar Purkinje and granule cells and during granule cell development.
    1. Developmental Biology
    2. Neuroscience

    Plexin-B2 controls the timing of differentiation and the motility of cerebellar granule neurons

    Eljo Van Battum, Celine Heitz-Marchaland ... Alain Chédotal
    3D imaging and time-lapse video-microscopy show that the PlexinB2 receptor controls the tempo of granule cell differentiation and sets the pace of their migration in mouse cerebellum.
    1. Developmental Biology

    Transient inhibition of the ERK pathway prevents cerebellar developmental defects and improves long-term motor functions in murine models of neurofibromatosis type 1

    Edward Kim, Yuan Wang ... Yuan Zhu
    Nf1 is required during early, but not late, cerebellar development to facilitate neuronal lamination, providing a potential therapeutic prevention strategy for NF1-associated developmental abnormalities.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Altered temporal sequence of transcriptional regulators in the generation of human cerebellar granule cells

    Hourinaz Behesti, Arif Kocabas ... Mary E Hatten
    Human pluripotent stem cell modeling of the ATOH1 lineage identifies a temporal shift in the expression of key transcriptional regulators in the developing human cerebellum, this molecular divergence may drive the protracted development of the human cerebellum compared to rodents.
    1. Developmental Biology
    2. Neuroscience

    Aberrant FGF signaling promotes granule neuron precursor expansion in SHH subgroup infantile medulloblastoma

    Odessa R Yabut, Jessica Arela ... Samuel J Pleasure
    Mice with Suppressor of Fused mutations have aberrant cerebellar granule cell proliferation accompanied by ectopic expression of an FGF ligand, also expressed in infantile medulloblastoma patients.
    1. Neuroscience

    Localized hypoxia within the subgranular zone determines the early survival of newborn hippocampal granule cells

    Christina Chatzi, Eric Schnell, Gary L Westbrook
    Neural progenitors reside in relative low oxygen in the subgranular zone (SGZ), and the higher tissue oxygen levels that these cells must face as they migrate away from the hypoxic areas and differentiate appear to cause oxidative damage and an early phase of cell death.
    1. Developmental Biology
    2. Neuroscience

    Cerebellar nuclei excitatory neurons regulate developmental scaling of presynaptic Purkinje cell number and organ growth

    Ryan T Willett, N Sumru Bayin ... Alexandra L Joyner
    The first born excitatory cerebellar nuclei neurons influence the survival of their Purkinje cell partners which stimulate the expansion of granule cells and interneurons to produce functional local circuits.
    1. Developmental Biology

    The conserved RNA helicase YTHDC2 regulates the transition from proliferation to differentiation in the germline

    Alexis S Bailey, Pedro J Batista ... Margaret T Fuller
    Post-transcriptional control by YTHDC2 is required to turn off the mitotic proliferation program and facilitate proper expression of the meiotic program to allow a clean cell fate transition in the germline stem cell lineage.
    1. Chromosomes and Gene Expression

    Defects in translation-dependent quality control pathways lead to convergent molecular and neurodevelopmental pathology

    Markus Terrey, Scott I Adamson ... Susan L Ackerman
    Disruption of quality control pathways that function at distinct steps to mitigate errors in translation evoke similar cellular responses and pathologies.

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