Poliumoside Attenuates Endothelial Senescence And Atherosclerosis By Regulating Mkrn2-Mediated Autophagy Via The Pi3K/AKT/ Mtor Pathway

Aging Pathway
Therapeutic
A natural compound called Poliumoside has been found to reduce the aging of endothelial cells and the progression of atherosclerosis by influencing a cellular recycling process called autophagy through a specific molecular pathway.
Author

Gemini

Published

March 27, 2026

Our bodies are constantly working to maintain health, and a key process in this is called autophagy, which is like the cell’s recycling system, clearing out damaged parts and making way for new ones. When this system doesn’t work properly, especially in the cells lining our blood vessels (endothelial cells), it can lead to them aging prematurely. This premature aging, known as senescence, is a major contributor to conditions like atherosclerosis, where plaque builds up in the arteries.

Recent research has shed light on how a natural compound, Poliumoside, could offer a new way to combat these issues. Scientists discovered that this compound can help restore the proper functioning of the cellular recycling system in aging endothelial cells. It does this by interacting with a protein called MKRN2 and, in turn, influencing a crucial signaling network within the cells known as the PI3K/AKT/mTOR pathway. Think of this pathway as a central control system that regulates many cellular activities, including growth, survival, and the recycling process.

By modulating this pathway, Poliumoside helps to reduce the signs of cellular aging, such as specific proteins (p16, p21, and p53) that accumulate in senescent cells, and also decreases harmful inflammatory signals these aging cells release. Essentially, it helps these vital blood vessel cells stay younger and healthier, which could ultimately slow down or even prevent the development of atherosclerosis. This finding suggests a promising natural approach for maintaining cardiovascular health.


Source: link to paper