Evidence map›Paper›PMID 15254149›Full record

ArticleThe Journal of physiology2004

Human TRPC5 channel activated by a multiplicity of signals in a single cell.

Fanning Zeng, Shang-Zhong Xu, Philippa K Jackson, Damian McHugh, Bhaskar Kumar, Samuel J Fountain, David J Beech

Erratum issuedOpen access · greenAbstract read
In one paragraph

Article in The Journal of physiology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 68 papers.

0numbers the graph read from it
0cells of the map it votes in
68citing papers in PubMed
5.6field-weighted citation impact, top 3% 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

68 citing papers in PubMed, 127 citations in OpenAlex.

  1. Review
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  8. Pulmonary Sensory Receptors.Advances in anatomy, embryology, and cell biology · 2021
    Article
  9. Functional Exploration of the Pulmonary NEB ME.Advances in anatomy, embryology, and cell biology · 2021
    Article
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  11. Review
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8 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Fanning ZengSchool of Biomedical Sciences, University of Leeds, LS2 9JT, UK.
Shang-Zhong Xu
Philippa K Jackson
Damian McHugh
Bhaskar Kumar
Samuel J Fountain
David J Beech
University of Leeds · GB

Funding

Wellcome Trust
6 · The paper itself

Abstract

Here we explore the activation mechanisms of human TRPC5, a putative cationic channel that was cloned from a region of the X chromosome associated with mental retardation. No basal activity was evident but activity was induced by carbachol stimulation of muscarinic receptors independently of Ca2+ release. This is 'receptor activation', as described for mouse TRPC5. In addition, and in the absence of receptor stimulation, extracellular gadolinium (0.1 mm) activated TRPC5, an effect that was mimicked by 5-20 mm extracellular Ca2+ with intracellular Ca2+ buffered. We refer to this as 'external ionic activation'. TRPC5 was also activated by modest elevation of [Ca2+]i in the absence of GTP--'calcium activation'. A putative fourth activation mechanism is a signal from depleted intracellular Ca2+ stores. Consistent with this idea, human TRPC5 was activated by a standard store-depletion/Ca2+ re-entry protocol, an effect that was difficult to explain by calcium activation. Multiplicity of TRPC5 activation was demonstrated in single cells and thus not dependent on heterogeneity of expression levels or cellular context. Therefore, human TRPC5 is activated by a range of stimuli, avoiding dependence on a single critical activator as in many other ion channels. One of these stimuli would seem to be a change in Ca2+ handling by the endoplasmic reticulum.

Indexed as

CalciumCalcium ChannelsCation Transport ProteinsCell LineDose-Response Relationship, DrugGadoliniumHumansIntracellular FluidSignal TransductionTRPC Cation ChannelsCalciumCalcium ChannelsCation Transport ProteinsGadoliniumTRPC5 protein, humanTRPC Cation Channels

Identifiers

PMID15254149
PMCPMC1665180
OpenAlexW2133284857

What OpenQuestion holds

Textmetadata
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.