Researchers have taken a new step in slowing down aging. They studied a splicing factor, a protein that influences gene expression in cells. By increasing the activity of this factor, they saw a younger-looking effect in the cells of mice. This led to a longer and healthier lifespan for the animals.
Splicing factors play a role in modifying genes before they are read by the body. By influencing these factors, many genes can be activated differently simultaneously. This provides a way to ‘reprogram’ the cells without losing their original function. This is safer than previous methods that could lead to the risk of tumors.
The researchers built on previous discoveries around Yamanaka factors, which also stimulate rejuvenation. However, this method is difficult to apply practically due to the complex timing and dosing per cell type. The new approach using splicing factors is simpler and promises similar benefits without such risks.
This breakthrough could be important for developments in healthy aging. By restoring cells more effectively and keeping them young, aging may be possible to slow down. This could contribute to a better quality of life in old age.
Source: Reason
