Evidence map›Paper›PMID 21216873›Full record

ArticleCephalalgia : an international journal of headache2011

Epigenetic regulation of the calcitonin gene-related peptide gene in trigeminal glia.

Ki-Youb Park, Joshua R Fletcher, Ann C Raddant, Andrew F Russo

Open access · bronzeAbstract read
In one paragraph

Article in Cephalalgia : an international journal of headache, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 20% 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

24 citing papers in PubMed, 1 synthesis or guideline pooled it, 45 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
  4. Review
  5. Article
  6. The Epigenetics of Migraine.International journal of molecular sciences · 2023
    Review
  7. Article
  8. Review
  9. Article
  10. Review
  11. Article
  12. Review
  13. CGRP: A New Endogenous Cell Stemness Maintenance Molecule.Oxidative medicine and cellular longevity · 2022
    Review
  14. Review
  15. Review
  16. Article
  17. Review
  18. Article
  19. Calcitonin gene-related peptide (CGRP): a new target for migraine.Annual review of pharmacology and toxicology · 2015
    Review
  20. 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

4 authors at 1 institution in 1 country.

Ki-Youb ParkDepartment of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA 52242, USA.
Joshua R Fletcher
Ann C Raddant
Andrew F Russo
University of Iowa · US

Funding

Perivascular mechanisms of CGRP-induced migraine symptomsR01NS075599 · NINDS · UNIVERSITY OF IOWA · PI RUSSO, ANDREW F · 2011 to 2023
$5.0M
Neuronal control of CGRP gene expressionR01DE016511 · NIDCR · UNIVERSITY OF IOWA · PI RUSSO, ANDREW F · 2005 to 2009
$1.9M
Training Program in Molecular and Cellular BiologyT32GM073610 · NIGMS · UNIVERSITY OF IOWA · PI GARDINIER, MINNETTA V · 2005 to 2009
$554k
NIDCR NIH HHS R01 DE016511NIDCR NIH HHS R01DE016511NIGMS NIH HHS T32 GM073610NIGMS NIH HHS T32GM073610NINDS NIH HHS R01 NS075599
6 · The paper itself

Abstract

backgroundThe neuropeptide calcitonin gene-related peptide (CGRP) plays a key role in migraine. CGRP gene expression involves an enhancer that is active in neurons, yet inactive in glia. In this report, we analyze epigenetic modifications that allow enhancer activation in glia.

methodsDNA methylation and histone acetylation states were measured in rat and human- model cell lines and primary cultures of rat trigeminal ganglia glia. The functional consequence of altering the chromatin state was determined by quantitative measurements of both calcitonin (CT) and CGRP mRNAs.

resultsA hypermethylated CpG island flanking the enhancer was identified in glia and non-expressing cell lines. In addition, the chromatin was hypoacetylated. Treatment with the DNA methylation inhibitor 5-aza-2'-deoxycytidine induced CT mRNA ~30-fold in glial cultures. Treatment with a histone deacetylase inhibitor alone had little effect; however, the combination of inhibitors yielded a synergistic ~80-fold increase in CT and ~threefold increase in CGRP mRNA. Treated glia contained CT precursor (pro-CT) immunoreactivity.

conclusionsEpigenetic modulation is sufficient to induce the CGRP gene in glia. Because the CGRP gene is systemically activated by inflammatory conditions, this suggests that glial pro-CT may be an unexplored biomarker during migraine.

Indexed as

Epigenesis, GeneticAnimalsCalcitoninCalcitonin Gene-Related PeptideCells, CulturedChromatin ImmunoprecipitationEnhancer Elements, GeneticGene ExpressionGene Expression RegulationHumansImmunohistochemistryNeurogliaProtein PrecursorsRatsReverse Transcriptase Polymerase Chain ReactionRNA, MessengerCalcitoninCalcitonin Gene-Related PeptideProtein PrecursorsRNA, Messenger

Identifiers

PMID21216873
PMCPMC3383834
OpenAlexW2051319600

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.