ArticleJournal of neuroinflammation2017
Microglia amplify inflammatory activation of astrocytes in manganese neurotoxicity.
Article in Journal of neuroinflammation, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 190 papers, 3 of them syntheses that pooled it.
What it found
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Who cites it
190 citing papers in PubMed, 3 syntheses or guidelines pooled it, 313 citations in OpenAlex.
- Systematic Review and Meta-Analysis on Heavy Metals and Trace Elements in Mild Cognitive Impairment.Biological trace element research · 2026Pooled it
- Regulatory role of the endocannabinoid system on glial cells toward cognitive function in Alzheimer's disease: A systematic review and meta-analysis of animal studies.Frontiers in pharmacology · 2023Pooled it
- Chemokines in patients with Alzheimer's disease: A meta-analysis.Frontiers in aging neuroscience · 2023Pooled it
- TNF-dependent regulation of synaptic plasticity and neuronal activity: implications for psychiatric disorders.Molecular psychiatry · 2026Review
- Downregulation of the L-PGDS/15d-PGJ2 Pathway Is Associated with Manganese-Induced Neuroinflammation and Cognitive Impairment Involving C/EBPβ and MMP9.Antioxidants (Basel, Switzerland) · 2026Article
- Bioactive compounds for neuroinflammation and neuropathic pain management: molecular and cellular mechanisms.Inflammopharmacology · 2026Review
- The Role and Mechanism of the cGAS-STING/NLRP3 Signaling Axis-Regulated p38 MAPK/NF-κB Pathway in Manganese-Induced Tau Aggregation-Mediated Neurotoxicity.Environment & health (Washington, D.C.) · 2026Article
- α/Sulfonyl-γ-AApeptide foldamers mitigate Alzheimer's disease pathology by stabilizing transient helical domains in Aβ.Nature communications · 2026Article
- Simulated wildfire smoke particulate matter elicits STING-dependent astrocyte-mediated inflammatory signaling and neurotoxicity.Neurotoxicology · 2026Article
- Pathological Roles of Astrocytes in Traumatic Brain Injury.CNS neuroscience & therapeutics · 2026Review
- Manganese Exposure: Delayed Effects and Biomarkers in adult male and female Wistar rats.Molecular neurobiology · 2026Article
- Article
- Unravelling the novel insights between miR-7 and Parkinson's disease (PD).Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026Review
- ALDH1/2 deficiency modulates dieldrin-induced dopaminergic neurodegeneration and reactive glial morphometry in male mice.Frontiers in toxicology · 2026Article
- Manganese modulates hepatocellular carcinoma cytotoxicity and doxorubicin sensitivity in a dose dependent manner.Frontiers in oncology · 2026Article
- HMC3 revealed: how much do these "Microglia" really tell us?Frontiers in immunology · 2026Review
- Exposure to manganese during juvenile development increases microglial activation in the hippocampus following systemic infection with A/California/04/2009 Influenza A H1N1 virus.Frontiers in toxicology · 2026Article
- Goreisan-mediated suppression of chemokine and cytokine production in astrocytes under AQP4-expressing conditions.Frontiers in neuroscience · 2026Article
- Mitochondrially Transcribed dsRNA Mediates Manganese-induced Neuroinflammation.bioRxiv : the preprint server for biology · 2025Article
- Cold-Induced RNA-Binding Protein (CIRP) Affects Cerebral Ischemia-Reperfusion Injury Through NF-κB Pathway.Molecular neurobiology · 2025Article
130 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundAs the primary immune response cell in the central nervous system, microglia constantly monitor the microenvironment and respond rapidly to stress, infection, and injury, making them important modulators of neuroinflammatory responses. In diseases such as Parkinson's disease, Alzheimer's disease, multiple sclerosis, and human immunodeficiency virus-induced dementia, activation of microglia precedes astrogliosis and overt neuronal loss. Although microgliosis is implicated in manganese (Mn) neurotoxicity, the role of microglia and glial crosstalk in Mn-induced neurodegeneration is poorly understood.
methodsExperiments utilized immunopurified murine microglia and astrocytes using column-free magnetic separation. The effect of Mn on microglia was investigated using gene expression analysis, Mn uptake measurements, protein production, and changes in morphology. Additionally, gene expression analysis was used to determine the effect Mn-treated microglia had on inflammatory responses in Mn-exposed astrocytes.
resultsImmunofluorescence and flow cytometric analysis of immunopurified microglia and astrocytes indicated cultures were 97 and 90% pure, respectively. Mn treatment in microglia resulted in a dose-dependent increase in pro-inflammatory gene expression, transition to a mixed M1/M2 phenotype, and a de-ramified morphology. Conditioned media from Mn-exposed microglia (MCM) dramatically enhanced expression of mRNA for Tnf, Il-1β, Il-6, Ccl2, and Ccl5 in astrocytes, as did exposure to Mn in the presence of co-cultured microglia. MCM had increased levels of cytokines and chemokines including IL-6, TNF, CCL2, and CCL5. Pharmacological inhibition of NF-κB in microglia using Bay 11-7082 completely blocked microglial-induced astrocyte activation, whereas siRNA knockdown of Tnf in primary microglia only partially inhibited neuroinflammatory responses in astrocytes.
conclusionsThese results provide evidence that NF-κB signaling in microglia plays an essential role in inflammatory responses in Mn toxicity by regulating cytokines and chemokines that amplify the activation of astrocytes.
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Registered trials
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.