Synaptic development articles within Nature

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  • Article
    | Open Access

    Latrophilin-3 organizes synapses through a convergent dual-pathway mechanism in which Gαs signalling is activated and phase-separated postsynaptic protein scaffolds are recruited.

    • Shuai Wang
    • , Chelsea DeLeon
    •  & Thomas C. Südhof

  • Article |

    A cell-surface fragment complementation strategy is used to identify the proteome at the junction of astrocytes and synapses in vivo, and shows that NRCAM expressed in astrocytes has a key role in regulating inhibitory synapse function.

    • Tetsuya Takano
    • , John T. Wallace
    •  & Scott H. Soderling

  • Letter |

    Re-expression of the Shank3 gene in adult mice results in improvements in synaptic protein composition and spine density in the striatum; Shank3 also rescues autism-like features such as social interaction and grooming behaviour, and the results suggest that aspects of autism spectrum disorders may be reversible in adulthood.

    • Yuan Mei
    • , Patricia Monteiro
    •  & Guoping Feng

  • Article |

    WebSchizophrenia is associated with genetic variation at the major histocompatibility complex locus; this study reveals that alleles at this locus associate with schizophrenia in proportion to their tendency to generate greater expression of complement component 4 (C4A) genes and that C4 promotes the elimination of synpases.

    • Aswin Sekar
    • , Allison R. Bialas
    •  & Steven A. McCarroll

  • Letter |

    The mouse retinal ganglion cell type known as the W3B-RGC, which detects motion of objects against a moving background, is shown to receive strong specific and excitatory input from amacrine cells expressing vesicular glutamine transporter 3; this selective connection is mediated by homophilic interactions of the recognition molecule sidekick 2 (Sdk2), which is expressed on both cells, and disruption of this connection affects object motion detection in W3B-RGCs.

    • Arjun Krishnaswamy
    • , Masahito Yamagata
    •  & Joshua R. Sanes

  • Letter |

    Neuronal synapses need to be formed at the right time and the right place during nervous system development; here, three gene-regulatory factors (the UNC-30, LIN-14 and UNC-55 DNA-binding proteins) are shown to operate in an intersectional manner to control the expression of a novel synaptic organizer molecule, OIG-1.

    • Kelly Howell
    • , John G. White
    •  & Oliver Hobert

  • Letter |

    The molecular relationship between synaptic dysfunction and psychiatric disorders was investigated using a mouse model system; presynaptically localized Cntnap4 is required for the output of two disease-relevant neuronal subpopulations (cortical parvalbumin-positive GABAergic cells and midbrain dopaminergic neurons) and Cntnap4 mutants show behavioural abnormalities which can be pharmacologically reversed.

    • T. Karayannis
    • , E. Au
    •  & G. Fishell

  • Article |

    This study reveals a role for the MHC class I molecule H2-Db in retinogeniculate synapse elimination; expression of this immune system molecule in neurons lacking it is sufficient to rescue proper synapse pruning, as well as the segregation of eye-specific circuits in mice.

    • Hanmi Lee
    • , Barbara K. Brott
    •  & Carla J. Shatz

  • Letter |

    A study of mouse visual cortex relating patterns of excitatory synaptic connectivity to visual response properties of neighbouring neurons shows that, after eye opening, local connectivity reorganizes extensively: more connections form selectively between neurons with similar visual responses and connections are eliminated between visually unresponsive neurons, but the overall connectivity rate does not change.

    • Ho Ko
    • , Lee Cossell
    •  & Thomas D. Mrsic-Flogel

  • Letter |

    Neurotransmitter release and activity are modulated in the striatum of mice to demonstrate that the balance of activity within the two antagonistic, inhibitory pathways co-mingled in this nucleus regulates excitatory innervation of the basal ganglia during development.

    • Yevgenia Kozorovitskiy
    • , Arpiar Saunders
    •  & Bernardo L. Sabatini

  • Letter |

    To build a representation of the auditory world, neuronal circuits in neonatal rodents exhibit plasticity, allowing sensitivity to the pattern of sensory inputs. At this time, neurons construct a receptive field, which relies on a balance of excitatory and inhibitory inputs. Here, excitation and inhibition were found to be co-tuned upon hearing onset, but later an adjustment in the excitatory input strength occurred. Thus a fine adjustment in synaptic inputs, rather than more radical changes such as input pruning, may refine mature receptive fields.

    • Yujiao J. Sun
    • , Guangying K. Wu
    •  & Li I. Zhang

  • Letter |

    To build a representation of the auditory world, neuronal circuits in neonatal rodents exhibit plasticity, allowing sensitivity to the pattern of sensory inputs. At this time, neurons construct a receptive field, which relies on a balance of excitatory and inhibitory inputs. Here, excitation and inhibition were found to be co-tuned upon hearing onset, but an experience-dependent refinement of inhibition later occurred. Thus a fine adjustment in synaptic inputs, rather than more radical changes such as input pruning, may refine mature receptive fields.

    • Anja L. Dorrn
    • , Kexin Yuan
    •  & Robert C. Froemke

  • Letter |

    Proper functioning of the brain requires a balance between the formation of excitatory and inhibitory synapses, but how this is achieved during development is unclear. Here FGF22 and FGF7, two fibroblast growth factor cell–cell signalling molecules, are shown to promote the formation of excitatory and inhibitory synapses, respectively, through their effect on epilepsy in mice. These findings should inform other neurological and psychiatric disorders involving defects in synapse formation.

    • Akiko Terauchi
    • , Erin M. Johnson-Venkatesh
    •  & Hisashi Umemori

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