A new study has raised serious concerns about a drug combination that is often used in anti-aging research. Scientists from the University of Connecticut have found that this two-drug treatment can damage the brain in mice.
Their findings were published in the Proceedings of the National Academy of Sciences, one of the world’s leading scientific journals.
The drug combination, known as dasatinib plus quercetin (often called D+Q), has gained attention in recent years for its possible anti-aging effects. Researchers have been studying it because it can remove old or damaged cells from the body.
These cells, sometimes called “senescent cells,” are believed to contribute to aging and many diseases. By clearing these cells, scientists hope to reduce inflammation and improve health.
Because of these promising effects, D+Q is being tested for several conditions, including diabetes, Alzheimer’s disease, and other age-related illnesses. Some people have even started using it outside of clinical trials, although doctors strongly advise against this. Until now, very few studies have looked at how this drug combination affects the brain.
In this new research, scientists wanted to explore whether D+Q could help repair damage in the brain, especially in diseases like multiple sclerosis. Multiple sclerosis is a condition where the body attacks myelin, a protective layer that surrounds nerve fibers.
Myelin works like insulation around electrical wires. It helps signals travel quickly and smoothly through the nervous system. When myelin is damaged, people can experience weakness, numbness, pain, and problems with movement and memory.
To test their idea, the researchers gave D+Q to mice of different ages. They also studied brain cells grown in the laboratory. These cells were called oligodendrocytes, which are responsible for making and maintaining myelin.
The results were unexpected and worrying. Instead of helping the brain, the drug combination caused damage. The mice that received D+Q had much less myelin around their nerve cells. This loss of myelin was seen in both young and older mice, but it was even more severe in the younger group.
The researchers also noticed changes in an important part of the brain called the corpus callosum. This area connects the two halves of the brain and plays a key role in thinking, memory, and coordination.
In the treated mice, this structure became damaged or even disappeared. Similar changes have been seen in people who receive certain types of chemotherapy, leading to what is often called “chemo brain,” where thinking and memory are affected.
When the scientists looked more closely, they found something surprising. The cells that produce myelin had not died. Instead, they had changed. These cells seemed to go back to a younger, less developed state. At the same time, their energy systems were not working properly.
The researchers believe that the drug combination may be interfering with how these cells produce energy. Without enough energy, the cells cannot maintain their normal function. As a result, they lose their ability to support myelin and instead become simpler and less effective.
Interestingly, the changed cells looked very similar to cells found in people with multiple sclerosis. This suggests that in that disease, cells may also be under stress and lose their normal function in a similar way. This discovery could help scientists better understand how multiple sclerosis develops.
At the same time, it may offer new hope. If these cells can change into a weaker state, it might be possible to find ways to help them recover and return to normal. The researchers are now studying whether these damaged cells can be repaired.
The study highlights both risks and opportunities. On one hand, it shows that the D+Q drug combination may not be safe for the brain, especially if used without proper medical supervision.
This is important because some people are already using these drugs in hopes of slowing aging. On the other hand, the findings provide new clues about how brain diseases like multiple sclerosis work.
Overall, this research is an important reminder that treatments that seem promising in one area may have unexpected effects in another. While D+Q may help in some conditions, its impact on the brain needs to be carefully studied before it can be considered safe for wider use.
In conclusion, the study shows that this popular anti-aging drug combination can damage myelin and affect brain structure in mice. This raises concerns about its use, especially outside controlled medical settings.
At the same time, the findings open new paths for understanding and possibly treating diseases like multiple sclerosis. More research is needed to fully understand these effects and to develop safer treatments in the future.
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