AI Insight
Researchers found that mild inflammation during pregnancy in mice caused offspring to develop autism-like symptoms including brain overactivity, sensory sensitivity, repetitive behaviors, and increased seizure susceptibility. A single dose of the drug rapamycin reversed nearly all of these symptoms in adult mice within approximately two hours, though the effects were temporary. The findings suggest that adult brain circuits retain greater plasticity than previously thought, potentially remaining responsive to therapeutic intervention.
Why it matters
This research challenges the assumption that autism-related brain changes are fixed in adulthood and cannot be reversed. If translatable to humans, it could lead to new treatment approaches for managing autism symptoms in adults, particularly during periods when symptom relief is needed.
Understand the Science
Even mild inflammation during pregnancy led mouse offspring to develop persistent brain overactivity, sensory sensitivity, repetitive behaviors, and increased seizure risk. Remarkably, one dose of rapamycin improved nearly all of these problems within about two hours. The benefits were temporary, but they suggest that adult brain circuits may remain far more adaptable than previously believed.
Source: A single dose reversed autism-like symptoms in adult mice within hours