DSCAM promotes self-avoidance in the developing mouse retina by masking the functions of cadherin superfamily members [Neuroscience]

During neural development, self-avoidance ensures that a neuron's processes arborize to evenly fill a particular spatial domain. At the individual cell level, self-avoidance is promoted by genes encoding cell-surface molecules capable of generating thousands of diverse isoforms, such as Dscam1 (Down syndrome cell adhesion molecule 1) in Drosophila. Isoform choice...

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