Evidence map›Paper›PMID 38326327›Full record

ArticleNature communications2024

Inhibitory medial zona incerta pathway drives exploratory behavior by inhibiting glutamatergic cuneiform neurons.

Sandeep Sharma, Cecilia A Badenhorst, Donovan M Ashby, Stephanie A Di Vito, Michelle A Tran, Zahra Ghavasieh, Gurleen K Grewal, Cole R Belway, Alexander McGirr, Patrick J Whelan

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
2.7field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 12 citations in OpenAlex.

  1. Article
  2. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 1 institution in 1 country.

Sandeep SharmaHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.ORCID 0000-0003-4843-4951
Cecilia A BadenhorstHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.
Donovan M AshbyHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.
Stephanie A Di VitoHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.ORCID 0000-0002-3466-9170
Michelle A TranHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.ORCID 0000-0002-2856-919X
Zahra GhavasiehHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.
Gurleen K GrewalHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.
Cole R BelwayHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.ORCID 0000-0002-6524-6429
Alexander McGirrHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada.ORCID 0000-0002-8425-3958
Patrick J WhelanHotchkiss Brain Institute, University of Calgary, Calgary, AB, T2N 4N1, Canada. whelan@ucalgary.ca.ORCID 0000-0002-1234-5415
University of Calgary · CA

Funding

Gouvernement du Canada | Canadian Institutes of Health Research (Instituts de Recherche en Santé du Canada) PJT-173511
6 · The paper itself

Abstract

The cuneiform nucleus (CnF) regulates locomotor activity, which is canonically viewed as being primarily involved in initiating locomotion and regulating speed. Recent research shows greater context dependency in the locomotor functions of this nucleus. Glutamatergic neurons, which contain vesicular glutamate transporter 2 (vGLUT2), regulate context-dependent locomotor speed in the CnF and play a role in defensive behavior. Here, we identify projections from the medial zona incerta (mZI) to CnF vGLUT2 neurons that promote exploratory behavior. Using fiber photometry recordings in male mice, we find that mZI gamma-aminobutyric acid (GABA) neurons increase activity during periods of exploration. Activation of mZI GABAergic neurons is associated with reduced spiking of CnF neurons. Additionally, activating both retrogradely labeled mZI-CnF GABAergic projection neurons and their terminals in the CnF increase exploratory behavior. Inhibiting CnF vGLUT2 neuronal activity also increases exploratory behavior. These findings provide evidence for the context-dependent dynamic regulation of CnF vGLUT2 neurons, with the mZI-CnF circuit shaping exploratory behavior.

Indexed as

Zona IncertaAnimalsExploratory BehaviorGABAergic Neuronsgamma-Aminobutyric AcidLocomotionMaleMiceVesicular Glutamate Transport Protein 2gamma-Aminobutyric AcidVesicular Glutamate Transport Protein 2

Identifiers

PMID38326327
PMCPMC10850156
OpenAlexW4391598335

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.