Evidence map›Paper›PMID 40769380›Full record

ReviewJournal of lipid research2025

Lipid and lipoprotein metabolism in microglia: Alzheimer's disease mechanisms and interventions.

Kayla G Sprenger, Emma E Lietzke, John T Melchior, Kimberley D Bruce

Abstract readReview
In one paragraph

Review in Journal of lipid research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
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

23 citing papers in PubMed.

  1. ApoE lipidation state directs immunometabolic reprogramming of human microglia.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
  2. Review
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  6. From lipid overload to autophagy collapse: how lipid dysregulation drives chronic inflammation and metabolic disease.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026
    Review
  7. Article
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  18. Article
  19. PreoperativeFrontiers in bioinformatics · 2026
    Review
  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

4 authors.

Kayla G SprengerDepartment of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO, USA.
Emma E LietzkeDepartment of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO, USA.
John T MelchiorBiological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA; Department of Pathology and Laboratory Medicine, University of Cincinnati, Cincinnati, OH, USA; Department of Neurology, Oregon Health and Science University, Portland, OR, USA.
Kimberley D BruceDivision of Endocrinology, Metabolism, and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, CO, USA. Electronic address: Kimberley.bruce@cuanschutz.edu.

Funding

Targeting Microglial Lipoprotein Lipase in Alzheimer's diseaseR01AG079217 · NIA · UNIVERSITY OF COLORADO DENVER · PI Kimberley D Bruce · 2022 to 2026
$3.0M
The impact of brain lipoprotein structure and composition on amyloid beta metabolism and Alzheimer's diseaseR01NS125591 · NINDS · BATTELLE PACIFIC NORTHWEST LABORATORIES · PI John Melchior · 2024 to 2026
$2.2M
Interdisciplinary Bioengineering Research Training in DiabetesT32DK120520 · NIDDK · UNIVERSITY OF COLORADO DENVER · PI Richard KP Benninger, KATHRYN M HASKINS · 2020 to 2026
$1.1M
NIA NIH HHS R01 AG079217NIDDK NIH HHS T32 DK120520NINDS NIH HHS R01 NS125591
6 · The paper itself

Abstract

Alzheimer's disease (AD) presents a significant challenge owing to its widespread prevalence and complex neuropathogenesis, affecting millions worldwide. Current therapeutic strategies that predominantly target amyloid-beta accumulation are insufficient, particularly for ApoE4 carriers. Alterations in lipid composition are well documented in AD, characterized by reductions in phospholipids and sulfatides, along with increases in cholesterol, cholesteryl esters, and triglycerides (TGs). Microglia, the brain's resident immune cells, link dysfunctional lipid processing to AD neuropathogenesis. For example, genetic studies have pointed to microglial lipid and lipoprotein processing gene variants as some of the strongest risk factors for AD. In addition, microglial dysfunction, characterized by lipid droplet accumulation, increased cholesterol and TG levels, and altered lipid transport, may exacerbate the pathological hallmarks of AD, such as amyloid-beta and tau accumulation. Conversely, emerging studies have shown that strategies aimed at inhibiting lipid droplet accumulation in microglia, reducing TG synthesis, and promoting the activity of lipoprotein receptors expressed by microglia can improve cell functions and markers of AD pathology. This review dissects the interplay between microglial lipid metabolism and AD, highlighting the significance of lipid transport and trafficking within the CNS. Given the intrinsic link between microglial metabolism and AD progression, emerging and potential therapeutic strategies aimed at restoring lipid handling and improving microglial function are explored. This review provides a comprehensive examination of the emerging literature, detailing the current state of knowledge on microglial lipid metabolism, its genetic underpinnings, and the potential for novel interventions targeting these mechanisms to ameliorate AD pathology.

Indexed as

Alzheimer DiseaseLipid MetabolismLipoproteinsMicrogliaAnimalsHumansLipoproteinsAlzheimer's diseaseapolipoproteinslipidslipoproteinsmicroglia

Identifiers

PMID40769380
PMCPMC12538436

What OpenQuestion holds

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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.