Evidence map›Paper›PMID 34330904›Full record

ArticleNature communications2021

Beige adipocytes mediate the neuroprotective and anti-inflammatory effects of subcutaneous fat in obese mice.

De-Huang Guo, Masaki Yamamoto, Caterina M Hernandez, Hesam Khodadadi, Babak Baban, Alexis M Stranahan

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06869941 (Adipose Tissue Gene Expression and Metabolomics Links to the Gut Microbiome-brain Axis), which is not on this map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
2.5field-weighted citation impact, top 10% 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.

NCT06869941 recruitingnot on this mapstarted 2025, after this paper: background citation

Adipose Tissue Gene Expression and Metabolomics Links to the Gut Microbiome-brain Axis (POINSETTIA Study)

Typeobservational_patient_registrySponsorInstitut d'Investigació Biomèdica de Girona Dr. Josep TruetaRan2025 to 2027Enrolled100ConditionsObesity
3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 37 citations in OpenAlex.

  1. [Recent Advances in the Interorgan Regulatory Roles of Adipose Tissue].Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition · 2026
    Pooled it
  2. Review
  3. Article
  4. Is Adipose Tissue Inflammation the Culprit of Obesity-Associated Comorbidities?Obesity reviews : an official journal of the International Association for the Study of Obesity · 2025
    Review
  5. Review
  6. Article
  7. Article
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  9. Article
  10. Effect of abdominal adipose tissue glucose uptake on brain aging.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2024
    Article
  11. Article
  12. Article
  13. Article
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  15. Article
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  17. Review
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  20. Article
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 1 institution in 1 country.

De-Huang GuoDepartment of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA.
Masaki YamamotoDepartment of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA.
Caterina M HernandezDepartment of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA, USA.ORCID 0000-0001-8951-0485
Hesam KhodadadiDepartment of Oral Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA.
Babak BabanDepartment of Oral Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA.
Alexis M StranahanDepartment of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA. astranahan@augusta.edu.ORCID 0000-0003-0612-2837
Augusta University · US

Funding

Adipose Tissue Distribution Determines Microglial Regulation of Hippocampal PlasticityR01DK110586 · NIDDK · AUGUSTA UNIVERSITY · PI Alexis M. Stranahan · 2017 to 2026
$3.0M
Hippocampal Dysfunction Prolongs Stress Responses in Leptin Receptor Mutant MiceR03DK101817 · NIDDK · AUGUSTA UNIVERSITY · PI STRANAHAN, ALEXIS M. · 2014 to 2016
$569k
Adipose inflammation mediates obesity-induced deficits in hippocampal plasticityK01DK100616 · NIDDK · AUGUSTA UNIVERSITY · PI STRANAHAN, ALEXIS M. · 2013 to 2015
$369k
NIDDK NIH HHS K01 DK100616NIDDK NIH HHS R01 DK110586NIDDK NIH HHS R03 DK101817
6 · The paper itself

Abstract

Visceral obesity increases risk of cognitive decline in humans, but subcutaneous adiposity does not. Here, we report that beige adipocytes are indispensable for the neuroprotective and anti-inflammatory effects of subcutaneous fat. Mice lacking functional beige fat exhibit accelerated cognitive dysfunction and microglial activation with dietary obesity. Subcutaneous fat transplantation also protects against chronic obesity in wildtype mice via beige fat-dependent mechanisms. Beige adipocytes restore hippocampal synaptic plasticity following transplantation, and these effects require the anti-inflammatory cytokine interleukin-4 (IL4). After observing beige fat-mediated induction of IL4 in meningeal T-cells, we investigated the contributions of peripheral lymphocytes in donor fat. There was no sign of donor-derived lymphocyte trafficking between fat and brain, but recipient-derived lymphocytes were required for the effects of transplantation on cognition and microglial morphology. These findings indicate that beige adipocytes oppose obesity-induced cognitive impairment, with a potential role for IL4 in the relationship between beige fat and brain function.

Indexed as

AdiposityAdipocytes, BeigeAdipose Tissue, BeigeAnimalsAnti-Inflammatory AgentsCognitive DysfunctionDiet, High-FatHumansInterleukin-4MiceMice, ObeseNeuronal PlasticityNeuroprotective AgentsObesitySubcutaneous FatT-LymphocytesAnti-Inflammatory AgentsInterleukin-4Neuroprotective Agents

Identifiers

PMID34330904
PMCPMC8324783
OpenAlexW3185349090

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

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.