Evidence map›Paper›PMID 32541009›Full record

ArticleDevelopment (Cambridge, England)2020

The role of the diencephalon in the guidance of thalamocortical axons in mice.

Idoia Quintana-Urzainqui, Pablo Hernández-Malmierca, James M Clegg, Ziwen Li, Zrinko Kozić, David J Price

Abstract read
In one paragraph

Article in Development (Cambridge, England), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
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

8 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
  4. FGF3 Directs the Pathfinding of Prethalamic GABAergic Axons.International journal of molecular sciences · 2023
    Article
  5. Review
  6. Article
  7. Article
  8. Frontiers in neuroanatomy · 2022
    Article
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

6 authors.

Idoia Quintana-UrzainquiCentre for Discovery Brain Sciences, Hugh Robson Building, George Square, Edinburgh EH8 9XD, UK idoia.quintana@ed.ac.uk.ORCID 0000-0002-9297-7331
Pablo Hernández-MalmiercaHeidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), 69120 Heidelberg, Germany.
James M CleggCentre for Discovery Brain Sciences, Hugh Robson Building, George Square, Edinburgh EH8 9XD, UK.
Ziwen LiCentre for Cardiovascular Science, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK.
Zrinko KozićCentre for Discovery Brain Sciences, Hugh Robson Building, George Square, Edinburgh EH8 9XD, UK.
David J PriceCentre for Discovery Brain Sciences, Hugh Robson Building, George Square, Edinburgh EH8 9XD, UK.

Funding

Biotechnology and Biological Sciences Research Council N006542Medical Research Council UK N012291
6 · The paper itself

Abstract

Thalamocortical axons (TCAs) cross several tissues on their journey to the cortex. Mechanisms must be in place along the route to ensure they connect with their targets in an orderly fashion. The ventral telencephalon acts as an instructive tissue, but the importance of the diencephalon in TCA mapping is unknown. We report that disruption of diencephalic development by Pax6 deletion results in a thalamocortical projection containing mapping errors. We used conditional mutagenesis to test whether these errors are due to the disruption of pioneer projections from prethalamus to thalamus and found that, although this correlates with abnormal TCA fasciculation, it does not induce topographical errors. To test whether the thalamus contains navigational cues for TCAs, we used slice culture transplants and gene expression studies. We found the thalamic environment is instructive for TCA navigation and that the molecular cues netrin 1 and semaphorin 3a are likely to be involved. Our findings indicate that the correct topographic mapping of TCAs onto the cortex requires the order to be established from the earliest stages of their growth by molecular cues in the thalamus itself.

Indexed as

AnimalsAxonsDiencephalonEmbryo, MammalianGene Expression Regulation, DevelopmentalHomeodomain ProteinsMiceMice, Inbred C57BLMice, Inbred CBAMice, KnockoutMutagenesisNetrin-1Organ Culture TechniquesPAX6 Transcription FactorSemaphorin-3AThalamusGsh2 protein, mouseHomeodomain ProteinsNetrin-1Ntn1 protein, mousePax6 protein, mousePAX6 Transcription FactorSemaphorin-3AAxon guidanceDiencephalonPax6Prethalamic pioneer axonsThalamocortical tractThalamus

Identifiers

PMID32541009
PMCPMC7327999

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Registered trials

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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.