Evidence map›Paper›PMID 12654829›Full record

ArticleInfection and immunity2003

Major histocompatibility complex heterozygote superiority during coinfection.

Erin E McClelland, Dustin J Penn, Wayne K Potts

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers.

0numbers the graph read from it
0cells of the map it votes in
71citing papers in PubMed
3.1field-weighted citation impact, top 8% 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

71 citing papers in PubMed, 219 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Frontiers in immunology · 2021
    Article
  8. Article
  9. Article
  10. MHC-associatedInternational journal for parasitology. Parasites and wildlife · 2020
    Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Population Genetics and Natural Selection in Rheumatic Disease.Rheumatic diseases clinics of North America · 2017
    Review
  18. Article
  19. Article
  20. Article

11 more citing papers are in PubMed but not listed here.

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.

Erin E McClellandBiology Department, University of Utah, Salt Lake City, UT 84112, USA.
Dustin J Penn
Wayne K Potts
University of Utah · US

Funding

SELECTIVE MECHANISMS MAINTAINING H-2 POLYMORPHISMSR01GM039578 · NIGMS · UNIVERSITY OF UTAH · PI POTTS, WAYNE K. · 1989 to 2007
$2.0M
VIRAL AND CELLULAR DETERMINANTS INVOLVED IN CNS DISEASER01NS034497 · NINDS · UNIVERSITY OF UTAH · PI FUJINAMI, ROBERT S · 1995 to 2004
$1.0M
NIGMS NIH HHS GM 39578NIGMS NIH HHS R01 GM039578NINDS NIH HHS NS 34497NINDS NIH HHS R01 NS034497
6 · The paper itself

Abstract

Genes of the major histocompatibility complex (MHC) play a critical role in immune recognition, and many alleles confer susceptibility to infectious and autoimmune diseases. How these deleterious alleles persist in populations is controversial. One hypothesis postulates that MHC heterozygote superiority emerges over multiple infections because MHC-mediated resistance is generally dominant and many allele-specific susceptibilities to pathogens will be masked by the resistant allele in heterozygotes. We tested this hypothesis by using experimental coinfections with Salmonella enterica (serovar Typhimurium C5TS) and Theiler's murine encephalomyelitis virus (TMEV) in MHC-congenic mouse strains where one haplotype was resistant to Salmonella and the other was resistant to TMEV. MHC heterozygotes were superior to both homozygotes in 7 out of 8 comparisons (P = 0.0024), and the mean standardized pathogen load of heterozygotes was reduced by 41% over that of homozygotes (P = 0.01). In contrast, no heterozygote superiority was observed when the MHC haplotype combinations had similar susceptibility profiles to the two pathogens. This is the first experimental evidence for MHC heterozygote superiority against multiple pathogens, a mechanism that would contribute to the evolution of MHC diversity and explain the persistence of alleles conferring susceptibility to disease.

Indexed as

HeterozygoteAllelesAnimalsCardiovirus InfectionsFemaleGenetic Predisposition to DiseaseHaplotypesMajor Histocompatibility ComplexMaleMiceMice, CongenicMice, Inbred C57BLSalmonella Infections, AnimalSalmonella typhimuriumTheilovirus

Identifiers

PMID12654829
PMCPMC152037
OpenAlexW2118494668

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.