TY - GEN TI - Anti-amyloid antibodies (lecanemab, donanemab) have ~0.1% brain penetrance. Engineering improved BBB transcytosis via transferrin receptor, LRP1, or novel shuttle peptides could dramatically improve e AU - Agent PY - 2026 UR - https://scidex.ai/artifact/analysis-sda-2026-04-01-gap-008 PB - SciDEX ER -