Evidence map›Paper›PMID 34261659›Full record

ArticleScience advances2021

Systematic evaluation of the association between hemoglobin levels and metabolic profile implicates beneficial effects of hypoxia.

Juha Auvinen, Joona Tapio, Ville Karhunen, Johannes Kettunen, Raisa Serpi, Elitsa Y Dimova, Dipender Gill, Pasi Soininen, Tuija Tammelin, Juha Mykkänen and 9 more

Open access · goldAbstract read
In one paragraph

Article in Science advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 2 pooled it
4.6field-weighted citation impact, top 4% 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

37 citing papers in PubMed, 2 syntheses or guidelines pooled it, 55 citations in OpenAlex.

  1. Pooled it
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  15. Association of hemoglobin levels with metabolic traits in women with PCOS.Acta obstetricia et gynecologica Scandinavica · 2025
    Article
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  19. Ethanolic extract ofFrontiers in veterinary science · 2025
    Article
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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

19 authors at 9 institutions in 2 countries.

Juha AuvinenFaculty of Medicine, Center for Life Course Health Research, University of Oulu, 90014 Oulu, Finland.ORCID 0000-0003-2067-4056
Joona TapioBiocenter Oulu, 90014 Oulu, Finland.ORCID 0000-0002-9267-1586
Ville KarhunenFaculty of Medicine, Center for Life Course Health Research, University of Oulu, 90014 Oulu, Finland.ORCID 0000-0001-6064-1588
Johannes KettunenFaculty of Medicine, Center for Life Course Health Research, University of Oulu, 90014 Oulu, Finland.
Raisa SerpiBiocenter Oulu, 90014 Oulu, Finland.ORCID 0000-0002-8207-4673
Elitsa Y DimovaBiocenter Oulu, 90014 Oulu, Finland.ORCID 0000-0003-2745-8145
Dipender GillDepartment of Epidemiology and Biostatistics, School of Public Health, Imperial College London, Norfolk Place, W2 1PG London, UK.ORCID 0000-0001-7312-7078
Pasi SoininenComputational Medicine, Faculty of Medicine, University of Oulu, 90014 Oulu, Finland.
Tuija TammelinLIKES Research Center for Physical Activity and Health, 40700 Jyväskylä, Finland.ORCID 0000-0002-1771-3977
Juha MykkänenResearch Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, 20520 Turku, Finland.
Katri PuukkaNordLab Oulu, Medical Research Center Oulu, Oulu University Hospital and Department of Clinical Chemistry, University of Oulu, 90014 Oulu, Finland.
Mika KähönenDepartment of Clinical Physiology, Tampere University Hospital and Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
Emma RaitoharjuDepartment of Clinical Chemistry, Fimlab Laboratories and Faculty of Medicine and Health Technology, Finnish Cardiovascular Research Center - Tampere, Tampere University, Tampere, Finland.ORCID 0000-0002-7023-8706
Terho LehtimäkiDepartment of Clinical Chemistry, Fimlab Laboratories and Faculty of Medicine and Health Technology, Finnish Cardiovascular Research Center - Tampere, Tampere University, Tampere, Finland.ORCID 0000-0002-2555-4427
Mika Ala-KorpelaFaculty of Medicine, Center for Life Course Health Research, University of Oulu, 90014 Oulu, Finland.ORCID 0000-0001-5905-1206
Olli T RaitakariResearch Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, 20520 Turku, Finland.
Sirkka Keinänen-KiukaanniemiFaculty of Medicine, Center for Life Course Health Research, University of Oulu, 90014 Oulu, Finland.ORCID 0000-0003-1218-6925
Marjo-Riitta JärvelinFaculty of Medicine, Center for Life Course Health Research, University of Oulu, 90014 Oulu, Finland. peppi.koivunen@oulu.fi m.jarvelin@imperial.ac.uk.ORCID 0000-0002-2149-0630
Peppi KoivunenBiocenter Oulu, 90014 Oulu, Finland. peppi.koivunen@oulu.fi m.jarvelin@imperial.ac.uk.ORCID 0000-0002-2827-8229
Biocenter Finland · FIOulu University Hospital · FIUniversity of Eastern Finland · FITampere University · FIUniversity of Turku · FIImperial College London · GBLIKES – Foundation for Sport and Health Sciences · FISt George's, University of London · GBTampere University Hospital · FI

Funding

Genetics of cardiovascular risk factors in large founder population birth controlR01HL087679 · NHLBI · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI HIRSCHHORN, JOEL N · 2007 to 2009
$4.0M
British Heart Foundation RE/18/4/34215Medical Research Council MR/M013138/2NHLBI NIH HHS R01 HL087679
6 · The paper itself

Abstract

Activation of the hypoxia-inducible factor (HIF) pathway reprograms energy metabolism. Hemoglobin (Hb) is the main carrier of oxygen. Using its normal variation as a surrogate measure for hypoxia, we explored whether lower Hb levels could lead to healthier metabolic profiles in mice and humans (

Indexed as

HypoxiaLiverAnimalsHemoglobinsMetabolomeMiceOxygenHemoglobinsOxygen

Identifiers

PMID34261659
PMCPMC8279517
OpenAlexW3180913711

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.