Evidence map›Paper›PMID 33320202›Full record

ArticleMolecular biology and evolution2021

Like Wings of a Bird: Functional Divergence and Complementarity between HLA-A and HLA-B Molecules.

Da Di, Jose Manuel Nunes, Wei Jiang, Alicia Sanchez-Mazas

Open access · greenAbstract read
In one paragraph

Article in Molecular biology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
0.4field-weighted citation impact, top 39% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.

  1. Pooled it
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  10. Dual role of the peptide-loading complex as proofreader and limiter of MHC-I presentation.Proceedings of the National Academy of Sciences of the United States of America · 2024
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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 2 institutions in 2 countries.

Da DiLaboratory of Anthropology, Genetics and Peopling History (AGP Lab), Department of Genetics and Evolution-Anthropology Unit, University of Geneva, Geneva, Switzerland.
Jose Manuel NunesLaboratory of Anthropology, Genetics and Peopling History (AGP Lab), Department of Genetics and Evolution-Anthropology Unit, University of Geneva, Geneva, Switzerland.
Wei JiangDepartment of Plant Sciences, University of Cambridge, Cambridge, United Kingdom.
Alicia Sanchez-MazasLaboratory of Anthropology, Genetics and Peopling History (AGP Lab), Department of Genetics and Evolution-Anthropology Unit, University of Geneva, Geneva, Switzerland.
University of Geneva · CHUniversity of Cambridge · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Human leukocyte antigen (HLA) genes are among the most polymorphic of our genome, as a likely consequence of balancing selection related to their central role in adaptive immunity. HLA-A and HLA-B genes were recently suggested to evolve through a model of joint divergent asymmetric selection conferring all human populations, including those with severe loss of diversity, an equivalent immune potential. However, the mechanisms by which these two genes might undergo joint evolution while displaying very distinct allelic profiles in populations are still unknown. To address this issue, we carried out extensive data analyses (among which factorial correspondence analysis and linear modeling) on 2,909 common and rare HLA-A, HLA-B, and HLA-C alleles and 200,000 simulated pathogenic peptides by taking into account sequence variation, predicted peptide-binding affinity and HLA allele frequencies in 123 populations worldwide. Our results show that HLA-A and HLA-B (but not HLA-C) molecules maintain considerable functional divergence in almost all populations, which likely plays an instrumental role in their immune defense. We also provide robust evidence of functional complementarity between HLA-A and HLA-B molecules, which display asymmetric relationships in terms of amino acid diversity at both inter- and intraprotein levels and in terms of promiscuous or fastidious peptide-binding specificities. Like two wings of a flying bird, the functional complementarity of HLA-A and HLA-B is a perfect example, in our genome, of duplicated genes sharing their capacity of assuming common vital functions while being submitted to complex and sometimes distinct environmental pressures.

Indexed as

Evolution, MolecularSelection, GeneticAllelesAmino Acid SequenceHLA-A AntigensHLA-B AntigensHumansHLA-A AntigensHLA-B Antigensbalancing selectionfunctional complementarityHLA allele frequenciesHLA diversityHLA duplicated genespeptide-binding predictions

Identifiers

PMID33320202
PMCPMC8355449
OpenAlexW3111318498

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.