506 results found
    1. Developmental Biology
    2. Neuroscience

    Retinoic acid signaling mediates peripheral cone photoreceptor survival in a mouse model of retina degeneration

    Ryoji Amamoto, Grace K Wallick, Constance L Cepko
    Retinoic acid signaling from Muller glia is necessary for cone photoreceptor survival in the peripheral retina and is sufficient to promote cone survival in the central retina during retinal degeneration.
    1. Developmental Biology
    2. Neuroscience

    Transcription factors underlying photoreceptor diversity

    Juan M Angueyra, Vincent P Kunze ... Wei Li
    Tools and resources to identify transcriptional regulators that create and maintain differences between photoreceptor subtypes.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Disrupting the ciliary gradient of active Arl3 affects rod photoreceptor nuclear migration

    Amanda M Travis, Samiya Manocha ... Jillian N Pearring
    Dominant mutations in Arl3, linked to inherited retinal dystrophy, disrupt the active Arl3-GTP ciliary gradient and cause a defect in rod photoreceptor nuclear migration that can be rescued by elevating ciliary Arl3 activity or reducing aberrant non-ciliary Arl3 activity.
    1. Cell Biology

    Photoreceptor avascular privilege is shielded by soluble VEGF receptor-1

    Ling Luo, Hironori Uehara ... Balamurali K Ambati
    The eye produces a protein that inhibits the growth of blood vessels in the deep retina, which includes the photoreceptor layer, and disruption of this process can lead to blindness.
    1. Biochemistry and Chemical Biology

    Reserpine maintains photoreceptor survival in retinal ciliopathy by resolving proteostasis imbalance and ciliogenesis defects

    Holly Y Chen, Manju Swaroop ... Anand Swaroop
    High-throughput screening of over 6000 drugs using cells and retina tissue with a CEP290 ciliopathy mutation identified a small molecule, reserpine, which enhanced photoreceptor survival in retinal organoids and in a mouse disease model by partially restoring balance in proteostasis.
    1. Developmental Biology
    2. Neuroscience

    R7 photoreceptor axon targeting depends on the relative levels of lost and found expression in R7 and its synaptic partners

    Jessica Douthit, Ariel Hairston ... Jessica E Treisman
    R7 photoreceptors require the endosomal protein Lost and Found to form stable connections only when this protein is also present in neurons that are synaptic partners of R7.
    1. Neuroscience

    A dual role for Cav1.4 Ca2+ channels in the molecular and structural organization of the rod photoreceptor synapse

    J Wesley Maddox, Kate L Randall ... Amy Lee
    Ca2+ influx through Cav1.4 channels is required for the structural, but not the molecular organization of the rod photoreceptor synapse.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Natural variation in stochastic photoreceptor specification and color preference in Drosophila

    Caitlin Anderson, India Reiss ... Robert J Johnston
    Binding site affinity and transcription factor levels are finely tuned in nature to regulate stochastic expression, setting the ratio of alternative photoreceptor fates and determining color preference.
    1. Neuroscience

    Robust cone-mediated signaling persists late into rod photoreceptor degeneration

    Miranda L Scalabrino, Mishek Thapa ... Greg D Field
    The retina compensates for rod death and deteriorating cones to retain high-fidelity visual signaling to the brain.
    1. Neuroscience

    Ciliary and rhabdomeric photoreceptor-cell circuits form a spectral depth gauge in marine zooplankton

    Csaba Verasztó, Martin Gühmann ... Gáspár Jékely
    In a zooplankton larva, ciliary and rhabdomeric photoreceptor cells work antagonistically to form a spectral depth gauge.

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