Cited by 38Neuroinflammation and Neurodegeneration MechanismsTGF-β signaling in diseasesTraumatic Brain Injury and Neurovascular Disturbances

TGF-β Signaling in Microglia: A Key Regulator of Development, Homeostasis and Reactivity

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Li, Lulin, Sun, Bryan, Harris, Odette A., Luo, Jian·2024·Biomedicines

Abstract

Microglia, the resident immune cells of the central nervous system (CNS), are crucial for normal brain development and function. They become reactive in response to brain injury and disease, a process known as microglial reactivity. This reactivity, along with microglial homeostasis, is tightly regulated by the local microenvironment and interactions with surrounding cells. The TGF-β signaling pathway plays an essential role in this regulation. Recent genetic studies employing microglia-specific manipulation of the TGF-β signaling pathway have shed light on its significance in microglial development, homeostasis and reactivity. This review provides an updated overview of how TGF-β signaling modulates microglial function and reactivity, contributing to our understanding of microglial biology in health and disease.

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Crossref · 10.3390/biomedicines12112468

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  • Components of the TGF-β signaling axis were represented among the regulated genes in microglia after tau ablation.

    “Notably, components of the TGF-β signaling axis were represented among the regulated genes, consistent with partial restoration of homeostatic regulatory pathways [150–152].”

    From Tau Ablation Rewires Brain Cell Programs in Health and Restores Function in Disease (2026) · cites this paper as [152]

    Section 5 (page unavailable) identifies TGF-β pathway components as homeostatic microglial genes, supporting their connection to homeostatic regulation. It does not say those genes were regulated after tau ablation. Section 8 discusses deletion of microglial APOE4 in a tauopathy model, which is a different intervention. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • The TGF-β signaling components are consistent with partial restoration of homeostatic regulatory pathways.

    “Notably, components of the TGF-β signaling axis were represented among the regulated genes, consistent with partial restoration of homeostatic regulatory pathways [150–152].”

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Authors
Li, L., Sun, B., Harris, O. A., & Luo, J.
Affiliations
VA Palo Alto Health Care System (US)
Corresponding author
Luo, Jian
Venue
Biomedicines
Publisher
MDPI AG
Published
2024-10-28
Volume
12
Issue
11
Pages
2468
ISSN
2227-9059 (ISSN-L)
OpenAlex
W4403809679
Cited by
38
References
109
Citations by year
2026: 25 · 2025: 12 · 2024: 1
FWCI
1.94
Type
journal article
Language
en
Open access
Locations
  • Biomedicines (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • U.S. National Institutes of Health (R01NS092868, RF1AG059694)
  • Polytrauma System of Care, VAPAHCS (R01NS092868, RF1AG059694)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
  • Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
Keywords
TGF-beta signaling, microglia, microglial activation, microglial homeostasis, microglial development, brain development, central nervous system, microenvironment

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