Evidence map›Paper›PMID 36959514›Full record

ArticleNature metabolism2023

Loss of fatty acid degradation by astrocytic mitochondria triggers neuroinflammation and neurodegeneration.

Yashi Mi, Guoyuan Qi, Francesca Vitali, Yuan Shang, Adam C Raikes, Tian Wang, Yan Jin, Roberta D Brinton, Haiwei Gu, Fei Yin

Open access · greenAbstract read
In one paragraph

Article in Nature metabolism, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 218 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
218citing papers in PubMed, 1 pooled it
33.0field-weighted citation impact, top 1% 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

218 citing papers in PubMed, 1 synthesis or guideline pooled it, 269 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Glutamine metabolism in health and disease.Signal transduction and targeted therapy · 2026
    Review
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Article
  15. Article
  16. Review
  17. Review
  18. Article
  19. Article
  20. Review

158 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 1 country.

Yashi Mi *Center for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA.
Guoyuan Qi *Center for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA.
Francesca VitaliCenter for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA.
Yuan ShangCenter for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA.
Adam C RaikesCenter for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA.ORCID http://orcid.org/0000-0002-1609-6727
Tian WangCenter for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA.ORCID http://orcid.org/0000-0003-1867-5850
Yan JinCenter of Translational Science, Florida International University, Port St. Lucie, FL, USA.
Roberta D BrintonCenter for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA.ORCID http://orcid.org/0000-0001-8450-772X
Haiwei GuCenter of Translational Science, Florida International University, Port St. Lucie, FL, USA.
Fei YinCenter for Innovation in Brain Science, University of Arizona Health Sciences, Tucson, AZ, USA. feiyin@arizona.edu.ORCID http://orcid.org/0000-0002-5996-2410
University of Arizona · USFlorida International University · US

Funding

The IU/JAX Alzheimer's Disease Precision Models Center: Rat F344U54AG054345 · NIA · INDIANA UNIVERSITY INDIANAPOLIS · PI Gregory W Carter, Gareth R Howell · 2016 to 2026
$95.6M
UC Irvine MODEL-ADU54AG054349 · NIA · UNIVERSITY OF CALIFORNIA-IRVINE · PI Kim Green, FRANK M LAFERLA · 2017 to 2026
$71.9M
Timing of Menopausal Hormone Therapy across Perimenopause to Menopause Transition: Neuroimmune System in BrainP01AG026572 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI ROBERTA EILEEN BRINTON · 2006 to 2026
$53.7M
Research Education ComponentP30AG072980 · NIA · BANNER HEALTH · PI Nicholas Ashton · 2021 to 2026
$24.9M
APOE Regulation of Neuron-Astrocyte Metabolic Coupling in Alzheimer's DiseaseRF1AG068175 · NIA · UNIVERSITY OF ARIZONA · PI YIN, FEI · 2021 to 2021
$1.1M
Targeting Whole Body Fatty Acid Metabolism in Alzheimers Disease, with Special Interest in Lauric AcidR21AG072561 · NIA · FLORIDA INTERNATIONAL UNIVERSITY · PI GU, HAIWEI · 2021 to 2021
$460k
NIA NIH HHS P01 AG026572NIA NIH HHS P30 AG072980NIA NIH HHS R21 AG072561NIA NIH HHS RF1 AG068175NIA NIH HHS U54 AG054345NIA NIH HHS U54 AG054349
6 · The paper itself

Abstract

Astrocytes provide key neuronal support, and their phenotypic transformation is implicated in neurodegenerative diseases. Metabolically, astrocytes possess low mitochondrial oxidative phosphorylation (OxPhos) activity, but its pathophysiological role in neurodegeneration remains unclear. Here, we show that the brain critically depends on astrocytic OxPhos to degrade fatty acids (FAs) and maintain lipid homeostasis. Aberrant astrocytic OxPhos induces lipid droplet (LD) accumulation followed by neurodegeneration that recapitulates key features of Alzheimer's disease (AD), including synaptic loss, neuroinflammation, demyelination and cognitive impairment. Mechanistically, when FA load overwhelms astrocytic OxPhos capacity, elevated acetyl-CoA levels induce astrocyte reactivity by enhancing STAT3 acetylation and activation. Intercellularly, lipid-laden reactive astrocytes stimulate neuronal FA oxidation and oxidative stress, activate microglia through IL-3 signalling, and inhibit the biosynthesis of FAs and phospholipids required for myelin replenishment. Along with LD accumulation and impaired FA degradation manifested in an AD mouse model, we reveal a lipid-centric, AD-resembling mechanism by which astrocytic mitochondrial dysfunction progressively induces neuroinflammation and neurodegeneration.

Indexed as

Alzheimer DiseaseNeuroinflammatory DiseasesAnimalsAstrocytesFatty AcidsMiceMitochondriaFatty Acids

Identifiers

PMID36959514
PMCPMC10202034
OpenAlexW4360609956

What OpenQuestion holds

Textmetadata
LicenceTDM
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.