Evidence map›Paper›PMID 28645875›Full record

ArticleClinical immunology (Orlando, Fla.)2017

High resolution IgH repertoire analysis reveals fetal liver as the likely origin of life-long, innate B lymphopoiesis in humans.

Anindita Roy, Vojtech Bystry, Georg Bohn, Katerina Goudevenou, Tomas Reigl, Maria Papaioannou, Adam Krejci, Sorcha O'Byrne, Aristeidis Chaidos, Andrea Grioni and 3 more

Open access · hybridAbstract read
In one paragraph

Article in Clinical immunology (Orlando, Fla.), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.9field-weighted citation impact, top 28% 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

9 citing papers in PubMed, 20 citations in OpenAlex.

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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

13 authors at 4 institutions in 3 countries.

Anindita RoyDepartment of Paediatrics, University of Oxford, Brno, Czech Republic.
Vojtech BystryCEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic.
Georg BohnCentre for Haematology, Department of Medicine, Imperial College London, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK.
Katerina GoudevenouCentre for Haematology, Department of Medicine, Imperial College London, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK.
Tomas ReiglCEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic.
Maria PapaioannouCentre for Haematology, Department of Medicine, Imperial College London, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK.
Adam KrejciCentre for Haematology, Department of Medicine, Imperial College London, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK; RECAMO, Masaryk Memorial Cancer Institute, Brno, Czech Republic.
Sorcha O'ByrneDepartment of Paediatrics, University of Oxford, Brno, Czech Republic.
Aristeidis ChaidosCentre for Haematology, Department of Medicine, Imperial College London, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK.
Andrea GrioniDepartment of Paediatrics, University of Oxford, Brno, Czech Republic; Centro Ricerca Tettamanti, Clinica Pediatrica, Università di Milano-Bicocca, Ospedale San Gerardo/Fondazione MBBM, Monza, Italy.
Nikos DarzentasCEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic.
Irene A G RobertsDepartment of Paediatrics, University of Oxford, Brno, Czech Republic; MRC Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford and BRC Blood Theme, NIHR Oxford Biomedical Centre, Oxford, UK. Electronic address: irene.roberts@paediatrics.ox.ac.uk.
Anastasios KaradimitrisCentre for Haematology, Department of Medicine, Imperial College London, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK. Electronic address: a.karadimitris@imperial.ac.uk.
Imperial College Healthcare NHS Trust · GBCentral European Institute of Technology · CZUniversity of Milano-Bicocca · ITUniversity of Oxford · GB

Funding

Medical Research Council G0700089Medical Research Council MC_PC_15004Medical Research Council MC_UU_00016/13Medical Research Council MC_UU_12009/14Wellcome TrustWellcome Trust 099175/Z/12/Z
6 · The paper itself

Abstract

The ontogeny of the natural, public IgM repertoire remains incompletely explored. Here, high-resolution immunogenetic analysis of B cells from (unrelated) fetal, child, and adult samples, shows that although fetal liver (FL) and bone marrow (FBM) IgM repertoires are equally diversified, FL is the main source of IgM natural immunity during the 2nd trimester. Strikingly, 0.25% of all prenatal clonotypes, comprising 18.7% of the expressed repertoire, are shared with the postnatal samples, consistent with persisting fetal IgM+ B cells being a source of natural IgM repertoire in adult life. Further, the origins of specific stereotypic IgM+ B cell receptors associated with chronic lymphocytic leukemia, can be traced back to fetal B cell lymphopoiesis, suggesting that persisting fetal B cells can be subject to malignant transformation late in life. Overall, these novel data provide unique insights into the ontogeny of physiological and malignant B lymphopoiesis that spans the human lifetime.

Indexed as

B-LymphocytesBone MarrowFetusHigh-Throughput Nucleotide SequencingHumansImmunoglobulin Heavy ChainsImmunoglobulin MLeukemia, Lymphocytic, Chronic, B-CellLiverLymphopoiesisReceptors, Antigen, B-CellSequence Analysis, DNAImmunoglobulin Heavy ChainsImmunoglobulin MReceptors, Antigen, B-CellFetalHumanIgH repertoire

Identifiers

PMID28645875
PMCPMC5678457
OpenAlexW2665058211

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

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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.