Evidence map›Paper›PMID 19299713›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)2009

Intestinal T cell responses to gluten peptides are largely heterogeneous: implications for a peptide-based therapy in celiac disease.

Alessandra Camarca, Robert P Anderson, Gianfranco Mamone, Olga Fierro, Angelo Facchiano, Susan Costantini, Delia Zanzi, John Sidney, Salvatore Auricchio, Alessandro Sette and 2 more

Open access · greenAbstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed, 3 pooled it
8.4field-weighted citation impact, top 2% 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

60 citing papers in PubMed, 3 syntheses or guidelines pooled it, 174 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Guideline
  4. Trial
  5. Review
  6. Article
  7. Detection of Gliadin-Activated CD4Journal of cellular and molecular medicine · 2025
    Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Review
  18. Article
  19. The Role of Exposomes in the Pathophysiology of Autoimmune Diseases I: Toxic Chemicals and Food.Pathophysiology : the official journal of the International Society for Pathophysiology · 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

12 authors at 4 institutions in 3 countries.

Alessandra CamarcaInstitute of Food Sciences-National Research Council, Avellino, Italy.
Robert P Anderson
Gianfranco Mamone
Olga Fierro
Angelo Facchiano
Susan Costantini
Delia Zanzi
John Sidney
Salvatore Auricchio
Alessandro Sette
Riccardo Troncone
Carmen Gianfrani
Institute of Food Science · ITUniversity of Naples Federico II · ITLa Jolla Institute for Immunology · USWalter and Eliza Hall Institute of Medical Research · AU

Funding

NIAID NIH HHS N01 AI040023
6 · The paper itself

Abstract

The identification of gluten peptides eliciting intestinal T cell responses is crucial for the design of a peptide-based immunotherapy in celiac disease (CD). To date, several gluten peptides have been identified to be active in CD. In the present study, we investigated the recognition profile of gluten immunogenic peptides in adult HLA-DQ2(+) celiac patients. Polyclonal, gliadin-reactive T cell lines were generated from jejunal mucosa and assayed for both proliferation and IFN-gamma production in response to 21 peptides from wheat glutenins and alpha-, gamma-, and omega-gliadins. A magnitude analysis of the IFN-gamma responses was performed to assess the hierarchy of peptide potency. Remarkably, 12 of the 14 patients recognized a different array of peptides. All alpha-gliadin stimulatory peptides mapped the 57-89 N-terminal region, thus confirming the relevance of the known polyepitope 33-mer, although it was recognized by only 50% of the patients. By contrast, gamma-gliadin peptides were collectively recognized by the great majority (11 of 14, 78%) of CD volunteers. A 17-mer variant of 33-mer, QLQPFPQPQLPYPQPQP, containing only one copy of DQ2-alpha-I and DQ2-alpha-II epitopes, was as potent as 33-mer in stimulating intestinal T cell responses. A peptide from omega-gliadin, QPQQPFPQPQQPFPWQP, although structurally related to the alpha-gliadin 17-mer, is a distinct epitope and was active in 5 out of 14 patients. In conclusion, these results showed that there is a substantial heterogeneity in intestinal T cell responses to gluten and highlighted the relevance of gamma- and omega-gliadin peptides for CD pathogenesis. Our findings indicated that alpha-gliadin (57-73), gamma-gliadin (139-153), and omega-gliadin (102-118) are the most active gluten peptides in DQ2(+) celiac patients.

Indexed as

AdolescentAdultAmino Acid SequenceCeliac DiseaseChromatography, High Pressure LiquidFemaleGliadinGlutensHLA-DQ AntigensHumansInterferon-gammaIntestinal MucosaMaleMiddle AgedMolecular Sequence DataPeptide FragmentsGliadinGlutensHLA-DQ2 antigenHLA-DQ AntigensInterferon-gammaPeptide Fragments

Identifiers

PMID19299713
PMCPMC3306175
OpenAlexW1957487295

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.