Evidence map›Paper›PMID 23889563›Full record

ArticleBritish journal of pharmacology2013

Endothelial TRPV4 channels mediate dilation of cerebral arteries: impairment and recovery in cerebrovascular pathologies related to Alzheimer's disease.

Luqing Zhang, Panayiota Papadopoulos, Edith Hamel

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed
3.6field-weighted citation impact, top 7% 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

59 citing papers in PubMed, 91 citations in OpenAlex.

  1. Review
  2. Article
  3. Review
  4. Review
  5. Article
  6. Vascular Function and Ion Channels in Alzheimer's Disease.Microcirculation (New York, N.Y. : 1994) · 2024
    Review
  7. Review
  8. Impact of aging on vascular ion channels: perspectives and knowledge gaps across major organ systems.American journal of physiology. Heart and circulatory physiology · 2023
    Review
  9. Article
  10. Review
  11. Article
  12. Review
  13. Article
  14. Article
  15. Amyloid-Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2022
    Article
  16. Review
  17. Reactive Oxygen Species and Endothelial CaInternational journal of molecular sciences · 2021
    Review
  18. Article
  19. Biomedicines · 2021
    Review
  20. Review
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

3 authors at 1 institution in 1 country.

Luqing ZhangLaboratory of Cerebrovascular Research, Montreal Neurological Institute, McGill University, Montréal, QC, Canada.
Panayiota Papadopoulos
Edith Hamel
Montreal Neurological Institute and Hospital · CA

Funding

Canadian Institutes of Health Research MOP-126001
6 · The paper itself

Abstract

background and purposeTransient receptor potential vanilloid type 4 (TRPV4) channels are expressed in brain endothelial cells, but their role in regulating cerebrovascular tone under physiological and pathological conditions is still largely unknown. EXPERIMENTAL APPROACH: Wild-type (WT) mice and mice that overexpress a mutated form of the human amyloid precursor protein (APP mice, model of increased amyloid β), a constitutively active form of TGF-β1 (TGF mice, model of cerebrovascular fibrosis) or both (APP/TGF mice) were used. Dilations to the selective TRPV4 channel opener GSK1016790A (GSK) or to ACh were measured in posterior cerebral artery segments. KEY

resultsBoth GSK- and ACh-induced dilations virtually disappeared following endothelium denudation in WT mice. These responses were impaired in vessels from APP, TGF and APP/TGF mice compared with WT. Pre-incubation of WT vessels with the selective TRPV4 channel blocker HC-067047, or with small-conductance (SK channel, apamin) and/or intermediate-conductance (IK channel, charybdotoxin, ChTx) Ca(2+) -sensitive K(+) channel blocker abolished GSK-induced dilations and massively decreased those induced by ACh. These treatments had no or limited effects on ACh-induced dilation in vessels from APP, TGF or APP/TGF mice, and IK and SK channel function was preserved in transgenic mice. Antioxidant superoxide dismutase or catalase normalized GSK- and ACh-mediated dilations only in APP brain arteries. CONCLUSION AND IMPLICATIONS: We conclude that endothelial TRPV4 channels mediate ACh-induced dilation in cerebral arteries, that they are impaired in models of cerebrovascular pathology and that they are sensitive, albeit in the reversible manner, to amyloid β-induced oxidative stress.

Indexed as

VasodilationAlzheimer DiseaseAmyloid beta-Protein PrecursorAnimalsAntioxidantsCerebral ArteriesCerebrovascular DisordersDisease Models, AnimalDose-Response Relationship, DrugEndothelium, VascularFemaleHumansMaleMiceMice, Inbred C57BLMice, TransgenicAmyloid beta-Protein PrecursorAntioxidantsAPP protein, humanTransforming Growth Factor beta1Trpv4 protein, mouseTRPV Cation ChannelsVasodilator Agentsamyloid β peptidecerebral arteryendotheliumoxidative stressTGF-β1vasodilation

Identifiers

PMID23889563
PMCPMC3792003
OpenAlexW1528316102

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.