Ponicidin ameliorates Alzheimer's disease through dual inhibition of RIPK1-mediated neuroinflammation and necroptosis.
Hu H, Cheng Q, Li D, Li Y, Li X
Plant Derived Medicine
It's a vivid reminder that a shrubby plant you might find in a Chinese herbal garden — not a high-tech lab — could be the origin of tomorrow's Alzheimer's treatment.
Scientists found that a chemical naturally made by a plant called Blushwort, long used in Chinese herbal medicine, can fight Alzheimer's disease in mice and lab cells. It works by sticking tightly to a troublemaking protein in the brain that sparks inflammation and causes brain cells to destroy themselves in a particularly damaging way. Mice given the compound showed healthier brain tissue and better behavior on memory tests.
Key Findings
Ponicidin binds directly to the RIPK1 protein with high affinity, confirmed by two independent methods (bio-layer interferometry and DARTS assay)
In lab cell models, ponicidin reduced inflammatory signaling in microglia (immune brain cells) and blocked necroptosis — a destructive form of cell death — in hippocampal neurons
In 5×FAD transgenic Alzheimer's mice, ponicidin improved outcomes across behavioral tests, histological (tissue) analysis, and biochemical disease markers
chevron_right Technical Summary
A natural compound called ponicidin, extracted from a traditional Chinese medicinal plant, shows strong promise against Alzheimer's disease by blocking a key protein that drives brain inflammation and a destructive form of cell death. Lab and animal studies confirm it can reduce disease markers and improve cognitive behavior in Alzheimer's mice.
Abstract Preview
Ponicidin (Pon), a diterpenoid isolated from Rabdosia rubescens, exhibits a broad range of pharmacological activities, including anti-inflammatory effects. However, its therapeutic potential in Alz...
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Neuroinflammation refers to inflammatory responses within the nervous system, often driven by immune cells reacting to injury, infection, or toxic compounds. While not a process in plants themselves, it is a key area of biomedical research where plant-derived compounds are studied for their
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