ArticleJournal of neuroinflammation2021
LncRNA HOXA-AS2 regulates microglial polarization via recruitment of PRC2 and epigenetic modification of PGC-1α expression.
Article in Journal of neuroinflammation, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.
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Who cites it
27 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.
- Long non-coding RNAs in glial cells: key drivers of neuroinflammation in cognitive disorders.Frontiers in aging neuroscience · 2026Pooled it
- lncRNAs: key player in Aβ deposition.RNA biology · 2026Review
- Integrated m6A methylome and transcriptome profiling of mRNAs and lncRNAs in nasal mucosal epithelial cells of allergic rhinitis patients undergoing allergen-specific immunotherapy.Clinical epigenetics · 2026Article
- Role of LncRNA NEAT1 in Alzheimer's Disease: Pathophysiological Insights and Therapeutic Approaches.Neurotoxicity research · 2026Review
- FTO-dependent mInflammation · 2026Article
- Microglia, Astrocytes, and Oligodendrocytes in Parkinson's Disease: Neuroinflammatory Crosstalk and Emerging Therapeutic Strategies.Biomolecules · 2026Review
- Review
- The role of calcium homeostasis dysregulation in allergic rhinitis.Frontiers in immunology · 2026Review
- Microglia heterogeneity and therapeutic strategies in Parkinson's disease.Frontiers in immunology · 2026Review
- Unveiling the Role of LncRNA in Sepsis-Associated Encephalopathy.Current medical science · 2025Review
- Macrophage polarization: molecular mechanisms, disease implications, and targeted therapeutic strategies.Frontiers in immunology · 2025Review
- Is postoperative cognitive dysfunction a disease of microglial inflammatory memory? A state-transition model from metabolic stress to epigenetic lock-in.Frontiers in molecular neuroscience · 2025Review
- Interplay between epigenetics, senescence and cellular redox metabolism in cancer and its therapeutic implications.Redox biology · 2024Review
- Up-regulation of HOXA-AS2 and MEG3 long non-coding RNAs acts as a potential peripheral biomarker for bipolar disorder.Journal of cellular and molecular medicine · 2024Article
- Importin α4 deficiency induces psychiatric disorder-related behavioral deficits and neuroinflammation in mice.Translational psychiatry · 2024Article
- HOXA-AS2 Epigenetically Inhibits HBV Transcription by Recruiting the MTA1-HDAC1/2 Deacetylase Complex to cccDNA Minichromosome.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Role of Epigenetic Modulation in Neurodegenerative Diseases: Implications of Phytochemical Interventions.Antioxidants (Basel, Switzerland) · 2024Review
- Role of HOXA1-4 in the development of genetic and malignant diseases.Biomarker research · 2024Review
- The Emerging Role of Autophagy-Associated lncRNAs in the Pathogenesis of Neurodegenerative Diseases.International journal of molecular sciences · 2023Review
- NEAT1 enhances MPPImmunity, inflammation and disease · 2023Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundMicroglia-mediated neuroinflammation plays an important role in Parkinson's disease (PD), and it exerts proinflammatory or anti-inflammatory effects depending on the M1/M2 polarization phenotype. Hence, promoting microglia toward the anti-inflammatory M2 phenotype is a potential therapeutic approach for PD. Long noncoding RNAs (lncRNAs) are crucial in the progression of neurodegenerative diseases, but little is known about their role in microglial polarization in PD.
methodsIn our study, we profiled the expression of lncRNAs in the peripheral blood mononuclear cells (PBMCs) of PD patients using a microarray. RT-qPCR was used to evaluate the lncRNA levels and mRNA levels of cytokines and microglial cell markers both in vitro and in vivo. RIP and ChIP assays were analyzed for the underlying mechanism of lncRNA regulating microglial polarization.
resultsWe found that HOXA-AS2 was upregulated in the PBMCs of PD patients and negatively associated with peroxisome proliferator-activated receptor gamma coactivator-1a (PGC-1α) expression. Moreover, HOXA-AS2 knockdown significantly repressed microglial M1 polarization and promoted M2 polarization by regulating PGC-1α expression. Mechanistic investigations demonstrated that HOXA-AS2 could directly interact with polycomb repressive complex 2 (PRC2) and modulate the histone methylation of the promoter of PGC-1α.
conclusionsOur findings identify the upregulated lncRNA HOXA-AS2 promotes neuroinflammation by regulating microglial polarization through interacts with the PRC2 complex and epigenetically silencing PGC-1α. HOXA-AS2 may be a potential therapeutic target for microglia-mediated neuroinflammation in patients with PD.
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