AI Insight
Researchers at USC tested an experimental drug on rats that successfully restored aging liver cells to a more youthful state. The treatment reduced levels of an Alzheimer's-associated protein by 50% and lowered bad cholesterol to levels comparable to younger animals. The study also revealed a previously undiscovered communication mechanism between liver cells that facilitates the removal of harmful substances from the blood.
Why it matters
This research suggests a potential connection between liver health and neurodegenerative diseases like Alzheimer's, as well as cardiovascular conditions. If the findings translate to humans, targeting liver aging could offer a novel therapeutic approach for preventing or treating multiple age-related diseases simultaneously.
Understand the Science
A surprising discovery suggests that rejuvenating the liver could help protect against Alzheimer’s disease and heart disease. USC researchers found that an experimental drug restored aging liver cells in rats, cutting levels of an Alzheimer’s-linked protein in half and bringing bad cholesterol down to youthful levels. The treatment also revived a previously unknown communication system that helps liver cells remove harmful substances from the bloodstream.
Source: Scientists reverse liver cell aging and cut Alzheimer’s-linked protein in half