ArticleFrontiers in immunology2021
SIRT1 Promotes M2 Microglia Polarization
Article in Frontiers in immunology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 89 papers.
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Who cites it
89 citing papers in PubMed, 178 citations in OpenAlex.
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- PDK4 drives abdominal aortic aneurysm by promoting smooth muscle cell metabolic reprogramming and NLRP3-mediated pyroptosis.Nature communications · 2026Article
- From Cerebrovascular Injury to Brain Cancer: The Role of Blood-Brain Barrier Dysfunction.Biomedicines · 2026Review
- 4-Phenylbutyrate Induces Functional Elongation of the Microglial Process Through Activation of Akt.Neurochemical research · 2026Article
- Hesperetin alleviates neuronal pyroptosis by promoting mitophagy via DHCR24/BACE1 signaling pathway after subarachnoid hemorrhage in mice.Apoptosis : an international journal on programmed cell death · 2026Article
- Spatiotemporal regulation of acute wound healing by the NLRP3 inflammasome: dual roles in macrophage-fibroblast chemotaxis and phenotype during wound repair.Burns & trauma · 2026Article
- Astrocytic SIRT1 ameliorates cognitive deficits after traumatic brain injury via autophagy-mediated MEGF10 phagocytosis.Journal of neuroinflammation · 2025Article
- The Neuroprotective Effect of 4-Octyl Itaconate on Acute Period of Experimental Autoimmune Neuritis.Inflammation · 2025Article
- DDX3X Aggravates Neuronal Pyroptosis and Inhibits Autophagy via NLRP3 Inflammasome After Experimental Subarachnoid Hemorrhage.Molecular neurobiology · 2025Article
- Retinal alterations resemble brain pathology in a rat model of Parkinson's disease induced by intranigral infusion of α-synuclein oligomers.Cell death discovery · 2025Article
- Post-translational modifications regulating microglial inflammation in central nervous system disorders: a review.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2025Review
- The Role of Reactive Oxygen Species (ROS) in Periodontitis: A Potential Therapeutic Target.Immunity, inflammation and disease · 2025Review
- Potential roles of histone deacetylases in diabetic wound healing.World journal of diabetes · 2025Review
- Hypoxia reverses the early anti-inflammatory microglial response to the β-amyloid peptide: mitochondrial involvement and beneficial roles of melatonin and naringenin.Journal of translational medicine · 2025Article
- Mechanisms and interventions in aneurysmal subarachnoid hemorrhage: Unraveling the role of inflammatory responses and cell death in early brain injury (Review).Molecular medicine reports · 2025Review
- Exosomal lncRNA RMRP-shuttled by Olfactory Mucosa-Mesenchymal Stem Cells Suppresses Microglial Pyroptosis to Improve Spinal Cord Injury via EIF4A3/SIRT1.Molecular neurobiology · 2025Article
29 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mounting evidence has suggested that modulating microglia polarization from pro-inflammatory M1 phenotype to anti-inflammatory M2 state might be a potential therapeutic approach in the treatment of subarachnoid hemorrhage (SAH) injury. Our previous study has indicated that sirtuin 1 (SIRT1) could ameliorate early brain injury (EBI) in SAH by reducing oxidative damage and neuroinflammation. However, the effects of SIRT1 on microglial polarization and the underlying molecular mechanisms after SAH have not been fully illustrated. In the present study, we first observed that EX527, a potent selective SIRT1 inhibitor, enhanced microglial M1 polarization and nod-like receptor pyrin domain-containing 3 (NLRP3) inflammasome activation in microglia after SAH. Administration of SRT1720, an agonist of SIRT1, significantly enhanced SIRT1 expression, improved functional recovery, and ameliorated brain edema and neuronal death after SAH. Moreover, SRT1720 modulated the microglia polarization shift from the M1 phenotype and skewed toward the M2 phenotype. Additionally, SRT1720 significantly decreased acetylation of forkhead box protein O1, inhibited the overproduction of reactive oxygen species (ROS) and suppressed NLRP3 inflammasome signaling. In contrast, EX527 abated the upregulation of SIRT1 and reversed the inhibitory effects of SRT1720 on ROS-NLRP3 inflammasome activation and EBI. Similarly,
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