"In the present study, we show that intranasal application of a mouse monoclonal antibody against the neurite growth-inhibiting and plasticity-restricting membrane protein Nogo-A leads to a rapid transfer of significant amounts of antibody to the brain and spinal cord in intact adult rats."

https://www.pnas.org/doi/10.1073/pnas.2200057120?utm_source=twitter&utm_medium=social&utm_term=pnasnews&utm_content=5466edad-925b-4b9c-9713-4409e28859c2&utm_campaign=hootsuite