# Engineered Brain Cells Show Promise as Single-Injection Alzheimer's Treatment - slug: engineered-brain-cells-show-promise-as-single-injection-alzheimers-treatment - date: 2026-03-13 - category: Biotech & Life Sciences Washington University School of Medicine in St. Louis researchers have developed a cellular immunotherapy that could potentially treat Alzheimer's disease with a single injection — instead of the monthly infusions ---