Epimedium brevicornu flavonoids alleviate neuroinflammation and Alzheimer's disease pathology via immune-related pathways.
Li S, Xiao D, Yusufu R, Huang F, Feng Y
Medicinal Plants
Horny goat weed — a low-growing perennial you can actually grow in a shaded garden border — has been used in Chinese medicine for centuries, and this study is beginning to reveal the molecular reasons why its compounds may protect the aging brain.
Scientists tested compounds from a plant called horny goat weed on mice that had been given a chemical to trigger brain inflammation similar to what happens in Alzheimer's disease. The plant extracts helped the mice remember and navigate mazes better, and reduced the sticky protein buildup and inflammation in their brains. The researchers traced these benefits to several natural plant chemicals working together on multiple targets at once, rather than a single mechanism.
Key Findings
127 compounds were identified in the Epimedium extract; 45 reached the bloodstream and 38 crossed into the brain after oral dosing
EF pretreatment for 14 days significantly improved cognitive performance in LPS-treated mice across open field, Y-maze, and Morris water maze tests
Key active compounds bound target proteins with strong affinity (below -6.2 kcal/mol), acting via PI3K/AKT and cGAS-STING signaling pathways to reduce amyloid-β accumulation and tau phosphorylation
chevron_right Technical Summary
Researchers found that flavonoids extracted from the medicinal plant Epimedium brevicornu (horny goat weed) reduced brain inflammation and Alzheimer's-like symptoms in mice, working through multiple biological pathways simultaneously.
Abstract Preview
With global population aging, Alzheimer's disease (AD) has become a critical clinical challenge. This multifactorial neurodegenerative disorder is characterized by amyloid-β aggregation, tau hyperp...
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Epimedium, also known as barrenwort, bishop's hat, fairy wings, horny goat weed, or yin yang huo, is a genus of flowering plants in the family Berberidaceae. The majority of the species are endemic to China, with smaller numbers elsewhere in Asia and a few in the Mediterranean region.