Evidence map›Paper›PMID 37558686›Full record

ArticleNature communications2023

Bone marrow adiposity modulation after long duration spaceflight in astronauts.

Tammy Liu, Gerd Melkus, Tim Ramsay, Adnan Sheikh, Odette Laneuville, Guy Trudel

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2023. 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
3.0field-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

9 citing papers in PubMed, 17 citations in OpenAlex.

  1. Trial
  2. Artificial gravity protects bone and prevents bone marrow adipose tissue accumulation in humans during 60 d of bed rest.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2025
    Trial
  3. Review
  4. Canadian radiology: 2025 update.Japanese journal of radiology · 2025
    Review
  5. Article
  6. Osteocyte connexin hemichannels and prostaglandin EProceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  7. Article
  8. Review
  9. Review
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

6 authors at 2 institutions in 1 country.

Tammy LiuBone and Joint Research Laboratory, Ottawa Hospital Research Institute, Ottawa, ON, K1H 8M2, Canada.ORCID http://orcid.org/0000-0002-9172-5634
Gerd MelkusDepartment of Radiology, Radiation Oncology and Medical Physics, University of Ottawa, Ottawa, ON, K1H 8M2, Canada.ORCID http://orcid.org/0000-0001-5387-8958
Tim RamsaySchool of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, K1H 8M2, Canada.ORCID http://orcid.org/0000-0001-8478-8170
Adnan SheikhDepartment of Radiology, Radiation Oncology and Medical Physics, University of Ottawa, Ottawa, ON, K1H 8M2, Canada.
Odette LaneuvilleDepartment of Biology, Faculty of Science, University of Ottawa, Ottawa, ON, Canada.ORCID http://orcid.org/0000-0003-3124-3892
Guy TrudelBone and Joint Research Laboratory, Ottawa Hospital Research Institute, Ottawa, ON, K1H 8M2, Canada. gtrudel@toh.ca.ORCID http://orcid.org/0000-0001-5254-4294
University of Ottawa · CAOttawa Hospital · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Space travel requires metabolic adaptations from multiple systems. While vital to bone and blood production, human bone marrow adipose (BMA) tissue modulation in space is unknown. Here we show significant downregulation of the lumbar vertebrae BMA in 14 astronauts, 41 days after landing from six months' missions on the International Space Station. Spectral analyses indicated depletion of marrow adipose reserves. We then demonstrate enhanced erythropoiesis temporally related to low BMA. Next, we demonstrated systemic and then, local lumbar vertebrae bone anabolism temporally related to low BMA. These support the hypothesis that BMA is a preferential local energy source supplying the hypermetabolic bone marrow postflight, leading to its downregulation. A late postflight upregulation abolished the lower BMA of female astronauts and BMA modulation amplitude was higher in younger astronauts. The study design in the extreme environment of space can limit these conclusions. BMA modulation in astronauts can help explain observations on Earth.

Indexed as

AstronautsSpace FlightAdiposityBone MarrowFemaleHumansLumbar Vertebrae

Identifiers

PMID37558686
PMCPMC10412640
OpenAlexW4385700140

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.