ArticleThe American journal of pathology2019
Nitrosative Stress Is Associated with Dopaminergic Dysfunction in the HIV-1 Transgenic Rat.
Article in The American journal of pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 11 citations in OpenAlex.
- HIV-1 gp120-induced lysosomal stress responses are controlled by TRPML1 redox sensors.Redox report : communications in free radical research · 2026Article
- HIV-1 gp120-induced lysosomal stress responses are controlled by TRPML1 redox sensors.bioRxiv : the preprint server for biology · 2026Article
- THC induced similar physiological effects on HIV transgenic rats and their controls without affecting HIV-induced deficits in effortful motivation.Journal of cannabis research · 2026Article
- Involvement of endolysosome iron in HIV-1 gp120-, morphine-, and iron supplementation-induced disruption of the reactive species interactome and induction of neurotoxicity.Redox report : communications in free radical research · 2025Article
- Therapeutic potential of omaveloxolone in counteracting muscle atrophy post-denervation: a multi-omics approach.Journal of translational medicine · 2024Article
- Article
- The HIV-1 Transgenic Rat: Relevance for HIV Noninfectious Comorbidity Research.Microorganisms · 2020Article
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Authors and funding
8 authors at 4 institutions in 1 country.
Funding
Abstract
Advances in antiretroviral therapy have resulted in significantly decreased HIV-related mortality. HIV-associated neurocognitive disorders, however, continue to be a major problem in infected patients. The neuropathology underlying HIV-associated neurocognitive disorders has not been well characterized, and evidence suggests different contributing mechanisms. One potential mechanism is the induction of oxidative stress. Using the HIV-1 transgenic (Tg) rat model of HIV, we found increased striatal NADPH oxidase-4 and neuronal nitric oxide synthase expression in the adult (7- to 9-month-old) Tg rat compared with control rats but not in the young (1-month-old) Tg rats. This was accompanied by increased 3-nitrotyrosine (3-NT) immunostaining in the adult Tg rats, which worsened significantly in the old Tg rats (18 to 20 months old). There was, however, no concurrent induction of the antioxidant systems because there was no change in the expression of the nuclear factor-erythroid 2-related factor 2 and its downstream targets (thioredoxin and glutathione antioxidant systems). Colocalization of 3-NT staining with neurofilament proteins and evidence of decreased tyrosine hydroxylase and dopamine transporter expression in the old rats support dopaminergic involvement. We conclude that the HIV-1 Tg rat brain shows evidence of nitrosative stress without appropriate oxidation-reduction adaptation, whereas 3-NT modification of striatal neurofilament proteins likely points to the ensuing dopaminergic neuronal loss and dysfunction in the aging HIV-1 Tg rat.
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