ArticleActa pharmacologica Sinica2025
Inhibition of CD36 ameliorates mouse spinal cord injury by accelerating microglial lipophagy.
Article in Acta pharmacologica Sinica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Metabolic Reprogramming of Microglia in Neuroinflammation and Depression.International journal of molecular sciences · 2026Review
- Mitochondrial metabolism restoration via Tramiprosate suppresses mitochondrial ROS-driven foamy macrophage senescence post spinal cord injury.Journal of orthopaedic translation · 2026Article
- Type 2 Diabetes Promotes the Microglial Pyroptosis by Activating NLRP3 Inflammasome to Impede Remyelination After Spinal Cord Injury.Research (Washington, D.C.) · 2026Article
- Targeting the Jun-Irf8-CD36 axis attenuates fibrotic scar formation and promotes functional recovery after spinal cord injury.Burns & trauma · 2026Article
- Review
- Comprehensive analysis of IGFL1 in colorectal cancer and its promotion of tumour progression via inhibition of lipophagy.Frontiers in immunology · 2025Article
- Microglia and programmed cell death in spinal cord injury: beyond apoptosis.Frontiers in cell and developmental biology · 2025Review
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17 authors.
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Abstract
Spinal cord injury (SCI) is a serious trauma of the central nervous system (CNS). SCI induces a unique lipid-dense environment that results in the deposition of large amounts of lipid droplets (LDs). The presence of LDs has been shown to contribute to the progression of other diseases. Lipophagy, a selective type of autophagy, is involved in intracellular LDs degradation. Fatty acid translocase CD36, a multifunctional transmembrane protein that facilitates the uptake of long-chain fatty acids, is implicated in the progression of certain metabolic diseases, and negatively regulates autophagy. However, the precise mechanisms of LDs generation and degradation in SCI, as well as whether CD36 regulates SCI via lipophagy, remain unknown. In this study, we investigated the role of LDs accumulation in microglia for SCI, as well as the regulatory mechanism of CD36 in microglia lipophagy during LDs elimination in vivo and in vitro. SCI was induced in mice by applying moderate compression on spina cord at T9-T10 level. Locomotion recovery was evaluated at days 0, 1, 3, 7 and 14 following the injury. PA-stimulated BV2 cells was established as the in vitro lipid-loaded model. We observed a marked buildup of LDs in microglial cells at the site of injury post-SCI. More importantly, microglial cells with excessive LDs exhibited elevated activation and stimulated inflammatory response, which drastically triggered the pyroptosis of microglial cells. Furthermore, we found significantly increased CD36 expression, and the breakdown of lipophagy in microglia following SCI. Sulfo-N-succinimidyl oleate sodium (SSO), a CD36 inhibitor, has been shown to promote the lipophagy of microglial cells in SCI mice and PA-treated BV2 cells, which enhanced LDs degradation, ameliorated inflammatory levels and pyroptosis of microglial cells, and ultimately promoted SCI recovery. As expected, inhibition of lipophagy with Baf-A1 reversed the effects of SSO. We conclude that microglial lipophagy is essential for the removal of LDs during SCI recovery. Our research implies that CD36 could be a potential therapeutic target for the treatment and management of SCI.
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