The protein cGAS has attracted growing interest because it detects misplaced DNA inside cells and can trigger inflammation, a process closely linked to cancer and aging.

Scientists previously believed that reducing cGAS activity could slow aging. However, a new study published in Nature Aging found the opposite: removing cGAS caused mice to age faster.

The researchers suggest that cGAS may have different effects depending on the cellular context and stage of aging. Rather than simply promoting inflammation, the protein may also play a protective role in maintaining cellular health and slowing certain aspects of aging.

These findings highlight the complexity of age-related inflammation and suggest that therapies targeting cGAS will need to carefully consider both its harmful and beneficial effects.

Overall, the study provides new insights into the biological mechanisms of aging and could help guide the development of future treatments for age-related diseases.

Source: https://www.urmc.rochester.edu/news/story/the-good-and-bad-sides-of-a-protein-linked-to-aging