Sulforaphane - role in aging and neurodegeneration.
AI Summary
This review examines sulforaphane (SFN), an isothiocyanate compound found in cruciferous vegetables, for its potential anti-aging and neuroprotective properties. The researchers describe how sulforaphane works through multiple biological pathways to combat aging processes. The study suggests SFN activates antioxidant and anti-inflammatory responses by inducing the Nrf2 pathway while inhibiting NF-κB signaling. Additionally, the compound appears to have epigenetic effects by inhibiting HDAC and DNA methyltransferases, and it modifies mitochondrial dynamics. The review indicates that sulforaphane helps preserve cellular protein balance (proteostasis) by activating the proteasome system, which researchers suggest may lead to increased cellular lifespan and prevent neurodegeneration. While the authors discuss sulforaphane's potential as a preventive treatment for aging and neurodegeneration, this is a review paper rather than an original experimental study, limiting the strength of evidence presented.
Key Findings
- Sulforaphane activates antioxidant and anti-inflammatory responses through the Nrf2 pathway and NF-κB inhibition
- The compound has epigenetic effects by inhibiting HDAC and DNA methyltransferases
- Sulforaphane preserves proteostasis by activating the proteasome, potentially leading to increased cellular lifespan
- The compound modifies mitochondrial dynamics as part of its anti-aging mechanisms
Abstract
In the last several years, numerous molecules derived from plants and vegetables have been tested for their antioxidant, anti-inflammatory, and anti-aging properties. One of them is sulforaphane (SFN), an isothiocyanate present in cruciferous vegetables. SFN activates the antioxidant and anti-inflammatory responses by inducing Nrf2 pathway and inhibiting NF-κB. It also has an epigenetic effect by inhibiting HDAC and DNA methyltransferases and modifies mitochondrial dynamics. Moreover, SFN preserves proteome homeostasis (proteostasis) by activating the proteasome, which has been shown to lead to increased cellular lifespan and prevent neurodegeneration. In this review, we describe some of the molecular and physical characteristics of SFN, its mechanisms of action, and the effects that SFN treatment induces in order to discuss its relevance as a "miraculous" drug to prevent aging and neurodegeneration.
Authors
Roberto Santín-Márquez, Adriana Alarcón-Aguilar, Norma Edith López-Diazguerrero, Niki Chondrogianni, Mina Königsberg