ArticleExperimental biology and medicine (Maywood, N.J.)2025
Curcumin-enhanced elvitegravir therapy mitigates neuroinflammation and cognitive deficits in EcoHIV mice.
Article in Experimental biology and medicine (Maywood, N.J.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
HIV-associated neurocognitive disorders (HAND) persist in up to 50% of people living with HIV (PLWH) despite effective antiretroviral therapy (ART), driven by chronic neuroinflammation, oxidative stress, and neuronal damage. This study investigates the therapeutic potential of combining elvitegravir (EVG), an integrase strand transfer inhibitor, with curcumin (CUR), a natural polyphenol with anti-inflammatory and antioxidant properties, in a murine EcoHIV model of HAND. EcoHIV-infected mice were treated with EVG, CUR, or their combination (EVG + CUR), and cognitive, motor, and molecular outcomes were evaluated. Behavioral assays revealed that EcoHIV infection significantly impaired non-spatial working memory, spatial learning, and motor performance, as assessed by the Novel Object Recognition (NOR)and Morris water Maize (MWM) tests and CatWalk gait analysis. While EVG or CUR alone showed modest improvements, the EVG + CUR combination significantly restored cognitive function, reduced escape latencies in the MWM, and improved motor performance, including gait stability and interlimb coordination. At the molecular level, EVG + CUR treatment attenuated neuroinflammation by reducing pro-inflammatory cytokines (IL-6, TNF-α, IL-1β) and chemokine (MCP-1) in the brain and plasma, particularly following intranasal administration. Additionally, EVG + CUR significantly reduced oxidative DNA damage and preserved neuronal integrity without disrupting CNS homeostasis. These findings demonstrate that the EVG + CUR combination effectively targets both viral persistence and the underlying neuroinflammatory and oxidative mechanisms driving HAND. By improving cognitive and motor function while mitigating neuroinflammation and oxidative stress, EVG + CUR represents a promising adjunctive therapy for HAND, offering a multifaceted approach to addressing the complex pathophysiology of HIV-associated neurocognitive disorders.
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