Evidence map›Paper›PMID 26741514›Full record

ArticleViral immunology2016

Hotspots for Vitamin-Steroid-Thyroid Hormone Response Elements Within Switch Regions of Immunoglobulin Heavy Chain Loci Predict a Direct Influence of Vitamins and Hormones on B Cell Class Switch Recombination.

Julia L Hurwitz, Rhiannon R Penkert, Beisi Xu, Yiping Fan, Janet F Partridge, Robert W Maul, Patricia J Gearhart

Open access · greenAbstract read
In one paragraph

Article in Viral immunology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
1.6field-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

24 citing papers in PubMed, 26 citations in OpenAlex.

  1. Trial
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  4. Review
  5. Article
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  7. Review
  8. Vitamin D3 is well Correlated with Anti-Advanced biomedical research · 2022
    Article
  9. Immunodeficiency Accelerates Vitamin A Deficiency.Current developments in nutrition · 2021
    Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Nuclear Receptors, Ligands and the Mammalian B Cell.International journal of molecular sciences · 2020
    Review
  15. Article
  16. Review
  17. Article
  18. Article
  19. 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

7 authors at 3 institutions in 1 country.

Julia L Hurwitz1 Department of Infectious Diseases, St. Jude Children's Research Hospital , Memphis, Tennessee.
Rhiannon R Penkert1 Department of Infectious Diseases, St. Jude Children's Research Hospital , Memphis, Tennessee.
Beisi Xu3 Department of Computational Biology, St. Jude Children's Research Hospital , Memphis, Tennessee.
Yiping Fan3 Department of Computational Biology, St. Jude Children's Research Hospital , Memphis, Tennessee.
Janet F Partridge4 Department of Pathology, St. Jude Children's Research Hospital , Memphis, Tennessee.
Robert W Maul5 National Institute on Aging, National Institutes of Health , Baltimore, Maryland.
Patricia J Gearhart5 National Institute on Aging, National Institutes of Health , Baltimore, Maryland.
St. Jude Children's Research Hospital · USNational Institute on Aging · USUniversity of Tennessee Health Science Center · US

Funding

Viral Vector Technology (VVTSR)P30CA021765 · NCI · ST. JUDE CHILDREN'S RESEARCH HOSPITAL · PI CHARLES ROBERTS · 1985 to 2026
$166.9M
Effect of Age on Antibody DiversityZIAAG000777 · NIA · NATIONAL INSTITUTE ON AGING · PI GEARHART, PATRICIA J · 2012 to 2025
$12.6M
Intramural NIH HHSNCI NIH HHS NCI P30 CA21765NCI NIH HHS P30 CA021765PHS HHS NIH NIAID R01 AI088729
6 · The paper itself

Abstract

Vitamin A deficiencies are common throughout the world and have a significant negative influence on immune protection against viral infections. Mouse models demonstrate that the production of IgA, a first line of defense against viruses at mucosal sites, is inhibited in the context of vitamin A deficiency. In vitro, the addition of vitamin A to activated B cells can enhance IgA expression, but downregulate IgE. Previous reports have demonstrated that vitamin A modifies cytokine patterns, and in so doing may influence antibody isotype expression by an indirect mechanism. However, we have now discovered hundreds of potential response elements among Sμ, Sɛ, and Sα switch sites within immunoglobulin heavy chain loci. These hotspots appear in both mouse and human loci and include targets for vitamin receptors and related proteins (e.g., estrogen receptors) in the nuclear receptor superfamily. Full response elements with direct repeats are relatively infrequent or absent in Sγ regions although half-sites are present. Based on these results, we pose a hypothesis that nuclear receptors have a direct effect on the immunoglobulin heavy chain class switch recombination event. We propose that vitamin A may alter S site accessibility to activation-induced deaminase and nonhomologous end-joining machinery, thereby influencing the isotype switch, antibody production, and protection against viral infections at mucosal sites.

Indexed as

Response ElementsAnimalsB-LymphocytesGenetic LociGonadal Steroid HormonesHumansImmunoglobulin Class SwitchingImmunoglobulin Heavy ChainsMiceThyroid HormonesVitamin AGonadal Steroid HormonesImmunoglobulin Heavy ChainsThyroid HormonesVitamin A

Identifiers

PMID26741514
PMCPMC4782031
OpenAlexW2227590007

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.