Evidence map›Paper›PMID 24101895›Full record

ArticleFrontiers in neural circuits2013

A method for the three-dimensional reconstruction of Neurobiotin™-filled neurons and the location of their synaptic inputs.

Matthew J Fogarty, Luke A Hammond, Refik Kanjhan, Mark C Bellingham, Peter G Noakes

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Article in Frontiers in neural circuits, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers.

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61citing papers in PubMed
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1 · What the graph read from it

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2 · The registry

The trial behind it

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3 · Its place in the literature

Who cites it

61 citing papers in PubMed.

  1. Article
  2. Astrocyte TrkB.T1 Deficiency Disrupts Glutamatergic Synaptogenesis and Astrocyte-Synapse Interactions.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
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  14. Size-dependent differences in mitochondrial volume density in phrenic motor neurons.Journal of applied physiology (Bethesda, Md. : 1985) · 2023
    Article
  15. Article
  16. Inhibitory Synaptic Influences on Developmental Motor Disorders.International journal of molecular sciences · 2023
    Review
  17. Article
  18. Article
  19. Article
  20. Article

1 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

5 authors.

Matthew J FogartySchool of Biomedical Sciences, The University of Queensland Brisbane, QLD, Australia.
Luke A Hammond
Refik Kanjhan
Mark C Bellingham
Peter G Noakes

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Here, we describe a robust method for mapping the number and type of neuro-chemically distinct synaptic inputs that a single reconstructed neuron receives. We have used individual hypoglossal motor neurons filled with Neurobiotin by semi-loose seal electroporation in thick brainstem slices. These filled motor neurons were then processed for excitatory and inhibitory synaptic inputs, using immunohistochemical-labeling procedures. For excitatory synapses, we used anti-VGLUT2 to locate glutamatergic pre-synaptic terminals and anti-PSD-95 to locate post-synaptic specializations on and within the surface of these filled motor neurons. For inhibitory synapses, we used anti-VGAT to locate GABAergic pre-synaptic terminals and anti-GABA-A receptor subunit α1 to locate the post-synaptic domain. The Neurobiotin-filled and immuno-labeled motor neuron was then processed for optical sectioning using confocal microscopy. The morphology of the motor neuron including its dendritic tree and the distribution of excitatory and inhibitory synapses were then determined by three-dimensional reconstruction using IMARIS software (Bitplane). Using surface rendering, fluorescence thresholding, and masking of unwanted immuno-labeling, tools found in IMARIS, we were able to obtain an accurate 3D structure of an individual neuron including the number and location of its glutamatergic and GABAergic synaptic inputs. The power of this method allows for a rapid morphological confirmation of the post-synaptic responses recorded by patch-clamp prior to Neurobiotin filling. Finally, we show that this method can be adapted to super-resolution microscopy techniques, which will enhance its applicability to the study of neural circuits at the level of synapses.

Indexed as

AnimalsBiotinDendritesImaging, Three-DimensionalMiceMice, Inbred C57BLMotor NeuronsNeural InhibitionSynapsesBiotinneurobiotin3D-reconstructionbrainstemdendritemotor neuronsynapse

Identifiers

PMID24101895
PMCPMC3787200

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.