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The retina is a layered structure that lines the inner surface of the eye. It consists of layers of neurons: light-sensitive photoreceptor cells, bipolar cells, horizontal cells, amacrine cells and retinal ganglion cells, which transmit the visual information to other parts of the visual system along the optic nerve.
How the neighboring cells contribute to the survival and functions of neuronal cells remains elusive. Here, authors identified the cell-cell interactions between retinal ganglion cells (RGCs) and other cells after RGC injury and discovered the μ-opioid receptor promotes RGC resilience.
The precise organization of ON bipolar cells in the visual system remains poorly understood. Here, the authors discover that the mammalian ON bipolar pathway is divided into two streams that distribute the encoding of spatial and temporal information from naturalistic visual stimuli, respectively.
How starburst amacrine cell (SAC) dendrites transform concentrically distributed synaptic inputs into branch-specific directional outputs is not fully understood. Here the authors report that dendritic mGluR2 signaling and somatic Kv3-mediated shunting coordinately implement SAC dendritic direction selectivity.