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Brain Protein Lonp1 Controls Memory and Aging Through Mitochondrial Health

Scientists discovered that Lonp1, a protein that maintains mitochondrial health, plays a crucial role in preventing brain aging and memory loss. When researchers blocked Lonp1 in mice, it caused mitochondrial dysfunction, increased harmful free radicals, and impaired learning ability. The study found that Lonp1 deficiency specifically damaged thin dendritic spines in brain cells while leaving memory retention intact. This suggests Lonp1 acts as a quality control mechanism that prevents age-related cognitive decline by maintaining cellular energy production and reducing oxidative stress in the hippocampus, the brain's memory center.