Evidence map›Paper›PMID 22221504›Full record

ArticleMicrocirculation (New York, N.Y. : 1994)2012

Homocysteine impairs endothelial wound healing by activating metabotropic glutamate receptor 5.

Cheng-Hung Chen, Richard S Beard, Shawn E Bearden

Erratum issuedOpen access · greenAbstract read
In one paragraph

Article in Microcirculation (New York, N.Y. : 1994), 2012. 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 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
1.8field-weighted citation impact, top 17% 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

7 citing papers in PubMed, 10 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Phyllanthus emblica L. Enhances Human Umbilical Vein Endothelial Wound Healing and Sprouting.Evidence-based complementary and alternative medicine : eCAM · 2013
    Article
4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Cheng-Hung ChenDepartment of Biological Sciences, Idaho State University, Pocatello, Idaho 83209-8007, USA.
Richard S Beard
Shawn E Bearden
Idaho State University · US

Funding

Women's health: interplay of maternal diet and key demographics on neurological health in the rural frontier and remote WestP20GM103408 · NIGMS · UNIVERSITY OF IDAHO · PI Scott A Minnich · 2012 to 2026
$59.8M
UNDERGRADUATE COLLEGE OUTREACH PROGRAMP20RR016454 · NCRR · UNIVERSITY OF IDAHO · PI CHASE, JENNIFER R · 2001 to 2011
$35.3M
NCRR NIH HHS P20 RR016454NCRR NIH HHS P20RR016454NIGMS NIH HHS P20 GM103408
6 · The paper itself

Abstract

objectiveHcy is an independent risk factor for cerebrovascular disease and cognitive impairment. The purpose of this study was to elucidate the role of mGluR5 in Hcy-mediated impairment of cerebral endothelial wound repair.

methodsMouse CMVECs (bEnd.3) were used in conjunction with directed pharmacology and shRNA. AutoDock was used to simulate the docking of ligand-receptor interactions.

resultsHcy (20 μM) significantly increased Cx43-pS368 by mGluR5- and PKC-dependent mechanisms. Hcy attenuated wound repair by an mGluR5-dependent mechanism over the six-day study period but did not alter cell proliferation in a proliferation assay, suggesting that the attenuation of wound repair may be due to dysfunctional migration in HHcy. Hcy increased the expression of Cx43 and Cx43-pS368 at the wound edge by activating mGluR5. Direct activation of mGluR5, using the specific agonist CHPG, was sufficient to reproduce the results whereas KO of mGluR5 with shRNA, or inhibition with MPEP, blocked the response to Hcy.

conclusionsInhibition of mGluR5 activation could be a novel strategy for promoting endothelial wound repair in patients with HHcy. Activation of mGluR5 may be a viable strategy for disrupting angiogenesis.

Indexed as

AnimalsCells, CulturedConnexin 43Endothelial CellsHomocysteineMiceMice, KnockoutProtein Kinase CReceptor, Metabotropic Glutamate 5Receptors, Metabotropic GlutamateWound HealingConnexin 43Grm5 protein, mouseHomocysteineProtein Kinase CReceptor, Metabotropic Glutamate 5Receptors, Metabotropic Glutamate

Identifiers

PMID22221504
PMCPMC6359906
OpenAlexW1910503420

What OpenQuestion holds

Textmetadata
LicenceTDM
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.