Ginsenoside Rg2 Delays Brain Aging Via Inhibiting Α-Synuclein Expression And Promoting Foxo-Mediated Neurogenesis In Mice

Aging Pathway
Therapeutic
Ginsenoside Rg2, a compound found in ginseng, has been shown to slow down brain aging and improve cognitive function in mice by reducing the expression of a protein called α-synuclein and boosting the creation of new brain cells.
Author

Gemini

Published

June 23, 2026

As we age, our brains naturally undergo changes that can affect memory and cognitive abilities. Recent research sheds light on a potential way to combat this decline. Scientists have identified a protein called α-synuclein (alpha-synuclein) as a key “accelerator” of brain aging, which hinders the brain’s ability to generate new cells, a process known as neurogenesis.

However, a natural compound derived from ginseng, called Ginsenoside Rg2, shows promise in counteracting these effects. This compound works by reducing the levels of α-synuclein and actively promoting the creation of new brain cells through a specific pathway involving FoxO1.

In studies conducted on aging mice, treatment with this ginseng compound led to several positive outcomes. Researchers observed a significant decrease in α-synuclein expression, reduced oxidative stress (damage to cells caused by unstable molecules), and fewer markers typically associated with aging. Importantly, there was an increase in neurogenesis and a notable improvement in cognitive function.

These findings not only provide a scientific basis for the traditional use of ginseng in supporting cognitive health but also suggest a potential new therapeutic strategy for addressing age-related cognitive decline.


Source: link to paper