ArticleThe Journal of biological chemistry2014
Astrocyte elevated gene-1 is a novel modulator of HIV-1-associated neuroinflammation via regulation of nuclear factor-κB signaling and excitatory amino acid transporter-2 repression.
Article in The Journal of biological chemistry, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 55 citations in OpenAlex.
- Beyond VEGF: AEG-1/MTDH as a Systems-Level Orchestrator of Angiogenesis in Hepatocellular Carcinoma.Cells · 2026Review
- HIV-1 Tat-driven Glutamate Dysregulation: Implications for Cognitive Impairment in HAND.Current HIV/AIDS reports · 2026Review
- Environmental Factors Drive Neurodegenerative Diseases Through Glutamate Excitotoxicity: A Convergent Mechanistic Pathway.Neuroscience bulletin · 2026Review
- Neuroinflammatory Mechanisms and Therapeutic Targets in Oxaliplatin-Induced Peripheral Neuropathy: a Comprehensive Review.Neurotoxicity research · 2025Review
- Review
- Astrocytic HIV-1 Nef Expression Decreases Glutamate Transporter Expression in the Nucleus Accumbens and Increases Cocaine-Seeking Behavior in Rats.Pharmaceuticals (Basel, Switzerland) · 2025Article
- Acute Administration of HIV-1 Tat Protein Drives Glutamatergic Alterations in a Rodent Model of HIV-Associated Neurocognitive Disorders.Molecular neurobiology · 2024Article
- Levetiracetam Prevents Neurophysiological Changes and Preserves Cognitive Function in the Human Immunodeficiency Virus (HIV)-1 Transactivator of Transcription Transgenic Mouse Model of HIV-Associated Neurocognitive Disorder.The Journal of pharmacology and experimental therapeutics · 2024Article
- AEG-1 as a Novel Therapeutic Target in Colon Cancer: A Study from Silencing AEG-1 in BALB/c Mice to Large Data Analysis.Current gene therapy · 2024Article
- Expression patterns of AEG-1 in the normal brain.Brain structure & function · 2023Article
- Covid-19 interface with drug misuse and substance use disorders.Neuropharmacology · 2021Review
- 7,8-Dihydroxyflavone improves neuropathological changes in the brain of Tg26 mice, a model for HIV-associated neurocognitive disorder.Scientific reports · 2021Article
- Mechanisms of neuronal dysfunction in HIV-associated neurocognitive disorders.Cellular and molecular life sciences : CMLS · 2021Review
- Multifunctional Role of Astrocyte Elevated Gene-1 (AEG-1) in Cancer: Focus on Drug Resistance.Cancers · 2021Review
- Astrocyte elevated gene-1 (AEG-1): A key driver of hepatocellular carcinoma (HCC).Advances in cancer research · 2021Review
- How HIV-1 Gag Manipulates Its Host Cell Proteins: A Focus on Interactors of the Nucleocapsid Domain.Viruses · 2020Review
- Role of the Outer Inflammatory Protein A/Cystine-Glutamate Transporter Pathway in Gastric Mucosal Injury Induced by Helicobacter pylori.Clinical and translational gastroenterology · 2020Article
- Role of serum Metadherin mRNA expression in the diagnosis and prediction of survival in patients with colorectal cancer.Molecular biology reports · 2020Article
- Article
- Genetic targeting of astrocytes to combat neurodegenerative disease.Neural regeneration research · 2020Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
Astrocyte elevated gene-1 (AEG-1), a novel human immunodeficiency virus (HIV)-1 and tumor necrosis factor (TNF)-α-inducible oncogene, has generated significant interest in the field of cancer research as a therapeutic target for many metastatic aggressive tumors. However, little is known about its role in astrocyte responses during HIV-1 central nervous system (CNS) infection and whether it contributes toward the development of HIV-associated neurocognitive disorders (HAND). Therefore, in this study, we investigated changes in AEG-1 CNS expression in HIV-1-infected brain tissues and elucidated a potential mechanism of AEG-1-mediated regulation of HAND. Immunoblotting and immunohistochemical analyses of HIV-1 seropositive and HIV-1 encephalitic human brain tissues revealed significantly elevated levels of AEG-1 protein. Immunohistochemical analyses of HIV-1 Tat transgenic mouse brain tissues also showed a marked increase in AEG-1 staining. Similar to in vivo observations, cultured astrocytes expressing HIV-1 Tat also revealed AEG-1 and cytokine up-regulation. Astrocytes treated with HAND-relevant stimuli, TNF-α, interleukin (IL)-1β, and HIV-1, also significantly induced AEG-1 expression and nuclear translocation via activation of the nuclear factor (NF)-κB pathway. Co-immunoprecipitation studies demonstrated IL-1β- or TNF-α-induced AEG-1 interaction with NF-κB p65 subunit. AEG-1 knockdown decreased NF-κB activation, nuclear translocation, and transcriptional output in TNF-α-treated astrocytes. Moreover, IL-1β treatment of AEG-1-overexpressing astrocytes significantly lowered expression of excitatory amino acid transporter 2, increased expression of excitatory amino acid transporter 2 repressor ying yang 1, and reduced glutamate clearance, a major transducer of excitotoxic neuronal damage. Findings from this study identify a novel transcriptional co-factor function of AEG-1 and further implicate AEG-1 in HAND-associated neuroinflammation.
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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.