Evidence map›Paper›PMID 10024368›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience1999

Differential expression of the mRNA for the vanilloid receptor subtype 1 in cells of the adult rat dorsal root and nodose ganglia and its downregulation by axotomy.

G J Michael, J V Priestley

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 143 papers.

0numbers the graph read from it
0cells of the map it votes in
143citing papers in PubMed
13.2field-weighted citation impact, top 1% 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

143 citing papers in PubMed, 505 citations in OpenAlex.

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  16. Role of Gangliosides in Peripheral Pain Mechanisms.International journal of molecular sciences · 2020
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  17. Review
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83 more citing papers are in PubMed but not listed here.

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

2 authors at 1 institution in 1 country.

G J MichaelNeuroscience Section, Division of Biomedical Sciences, Queen Mary and Westfield College, London E1 4NS, United Kingdom.
J V Priestley
Queen Mary University of London · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Sensitivity to the pungent vanilloid, capsaicin, defines a subpopulation of primary sensory neurons that are mainly polymodal nociceptors. The recently cloned vanilloid receptor subtype 1 (VR1) is activated by capsaicin and noxious heat. Using combined in situ hybridization and histochemical methods, we have characterized in sensory ganglia the expression of VR1 mRNA. We show that this receptor is almost exclusively expressed by neurofilament-negative small- and medium-sized dorsal root ganglion cells. Within this population, VR1 mRNA is detected at widely varying levels in both the NGF receptor (trkA)-positive, peptide-producing cells that elicit neurogenic inflammation and the functionally less characterized glial cell line-derived neurotrophic factor-responsive cells that bind lectin Griffonia simplicifolia isolectin B4 (IB4). Cells without detectable levels of VR1 mRNA are found in both classes. A subpopulation of the IB4-binding cells that produce somatostatin has relatively low levels of VR1 mRNA. A previously uncharacterized population of very small cells that express the receptor tyrosine kinase (RET) and that do not label for trkA or IB4-binding has the highest relative levels of VR1 mRNA. The majority of small visceral sensory neurons of the nodose ganglion also express VR1 mRNA, in conjunction with the BDNF receptor trkB but not trkA. Axotomy results in the downregulation of VR1 mRNA in dorsal root ganglion cells. Our data emphasize the heterogeneity of VR1 mRNA expression by subclasses of small sensory neurons, and this may result in their differential sensitivity to chemical and noxious heat stimuli. Our results also indicate that peripherally derived trophic factors may regulate levels of VR1 mRNA.

Indexed as

AnimalsAntibodiesAxotomyDown-RegulationGanglia, SpinalGene ExpressionIn Situ HybridizationLectinsMaleNeurons, AfferentNeuropeptidesNodose GanglionProto-Oncogene ProteinsRatsRats, WistarReceptor Protein-Tyrosine KinasesAntibodiesLectinsNeuropeptidesProto-Oncogene ProteinsReceptor Protein-Tyrosine KinasesReceptors, DrugReceptors, Nerve Growth FactorReceptor, trkARNA, Messenger

Identifiers

PMID10024368
PMCPMC6782176
OpenAlexW2147082948

What OpenQuestion holds

Texttitle and abstract
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.