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REVIEW

Resveratrol, Curcumin, and Carotenoids in Nrf2 Activation: Molecular Mechanisms and Potential Role for the Treatment of Neurodegenerative Diseases

Federica Armeli*, Beatrice Mengoni, Maria Luisa Crudeli, Martina Menin, Rita Businaro
Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
* Corresponding Author: Federica Armeli. Email: email
(This article belongs to the Special Issue: Advances in Nrf2 Signaling Pathway in Neurodegenerative Diseases)

BIOCELL https://doi.org/10.32604/biocell.2026.084039

Received 15 April 2026; Accepted 23 June 2026; Published online 08 July 2026

Abstract

Neurodegenerative diseases represent a growing global challenge linked to aging, sharing core pathogenic mechanisms such as oxidative stress, neuroinflammation, and mitochondrial decay. This review evaluates the neuroprotective potential of specific polyphenols and carotenoids in modulating key signaling pathways. These nutraceuticals promote the nuclear translocation of Nrf2, the master regulator of antioxidant defenses, while simultaneously inhibiting the NF-κB pathway to suppress pro-inflammatory cytokine production. By facilitating the microglial switch from neurotoxic to neuroprotective phenotype, these bioactive compounds effectively break the cycle of chronic neuronal damage. While these molecules offer a promising non-invasive strategy to delay disease progression, significant gaps remain regarding their bioavailability and blood-brain barrier crossing. Future research must prioritize clinical trials to translate these molecular insights into effective nutritional interventions, highlighting the necessity of precision nutraceutical protocols in modern neurology.

Keywords

Neuroinflammation; oxidative stress; nuclear factor erythroid 2-related factor 2; curcumin; lycopene; lutein; β-carotene; resveratrol; polyphenols; carotenoids

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