Cited by 44Histone Deacetylase Inhibitors ResearchHIV Research and TreatmentNeutrophil, Myeloperoxidase and Oxidative Mechanisms

Crosstalk between HDAC6 and Nox2-based NADPH oxidase mediates HIV-1 Tat-induced pro-inflammatory responses in astrocytes

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Youn, Gi Soo, Cho, Hyundong, Kim, Donggyu, Choi, Soo Young, Park, Jinseu·2017·Redox Biology

Abstract

Histone deacetylase 6 (HDAC6) likely is important in inflammatory diseases. However, how HDAC6 exerts its effect on inflammatory processes remains unclear. HIV-1 transactivator of transcription (Tat) activates NADPH oxidase resulting in generation of reactive oxygen species (ROS), leading to extensive neuro-inflammation in the central nervous system. We investigated the correlation of HDAC6 and NADPH oxidase in HIV-1 Tat-stimulated astrocytes. HDAC6 knockdown attenuated HIV-1 Tat-induced ROS generation and NADPH oxidase activation. HDAC6 knockdown suppressed HIV-1 Tat-induced expression of NADPH oxidase subunits, such as Nox2, p47phox, and p22phox. Specific inhibition of HDAC6 using tubastatin A suppressed HIV-1 Tat-induced ROS generation and activation of NADPH oxidase. N-acetyl cysteine, diphenyl iodonium, and apocynin suppressed HIV-1 Tat-induced expression of HDAC6 and the pro-inflammatory chemokines CCL2, CXCL8, and CXCL10. Nox2 knockdown attenuated HIV-1 Tat-induced HDAC6 expression and subsequent expression of chemokines. The collective results point to the potential crosstalk between HDAC6 and NADPH oxidase, which could be a combined therapeutic target for relief of HIV-1 Tat-mediated neuro-inflammation.

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Crossref · 10.1016/j.redox.2017.05.001

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  • HDAC6 knockdown attenuates ROS generation, NADPH oxidase activation, and neuroinflammation response in HIV-1 Tat-stimulated astrocytes.

    “HDAC6 knockdown attenuates reactive oxygen species (ROS) generation, NADPH oxidase activation, and neuroinflammation response in HIV-1 transactivator of transcription (Tat)-stimulated astrocytes [184].”
  • Nox2 knockdown suppresses HIV-1 Tat-induced HDAC6 expression and subsequent upregulation of pro-inflammatory chemokines.

    “In addition, Nox2 knockdown suppresses HIV-1 Tat-induced HDAC6 expression and subsequent upregulation of pro-inflammatory chemokines [184], indicating a possible link between neuroinflammation and mediation of HDAC6.”

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Research works printed but not linked: 1

  1. [44]Brown D.I. Griendling K.K. Nox proteins in signal transduction Free Radic. Biol. Med. 47 2009 1239 1253 19628035 PMC2763943

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Authors
Youn, G. S., Cho, H., Kim, D., Choi, S. Y., & Park, J.
Affiliations
Hallym University (KR)
Corresponding author
Park, Jinseu
Venue
Redox Biology
Publisher
Elsevier BV
Published
2017-08
Volume
12
Pages
978-986
ISSN
2213-2317 (ISSN-L)
OpenAlex
W2611766569
Cited by
44
References
44
Citations by year
2026: 4 · 2025: 3 · 2024: 8 · 2023: 8 · 2022: 2 · 2021: 4 · 2020: 6 · 2019: 5 · 2018: 3 · 2017: 1
FWCI
1.67
Type
journal article
Language
en
Open access
Locations
  • Redox Biology (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Ministry of Education (HRF-201607-010)
  • National Research Foundation of Korea
  • Hallym University
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
Keywords
HDAC6, NADPH oxidase, NOX2, HIV-1 Tat protein, astrocytes, reactive oxygen species, neuroinflammation, chemokines, MCP-1, interleukin-8, CXCL10, tubastatin A, p47phox, p22phox, histone deacetylase
MeSH terms
Histone Deacetylase 6, NADPH Oxidase 2, Animals, Astrocytes, Cell Line, Humans, Hydroxamic Acids, Indoles, HIV-1, Reactive Oxygen Species, Chemokines, Mice, tat Gene Products, Human Immunodeficiency Virus, Gene Knockdown Techniques

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