Physiological blood-brain transport is impaired with age by a shift in transcytosis

Andrew C. Yang, Marc Y. Stevens, Michelle B. Chen, Davis P. Lee, Daniel Stähli, David Gate, Kévin Contrepois, Winnie Chen, Tal Iram, Lichao Zhang, Ryan T. Vest, Aisling Chaney, Benoit Lehallier, Niclas Olsson, Haley du Bois, Ryan Hsieh, Haley C. Cropper, Daniela Berdnik, Lulin Li, Elizabeth Y. Wang, Gavin M. Traber, Carolyn R. Bertozzi, Jian Luo, Michael P. Snyder, Joshua E. Elias, Stephen R. Quake, Michelle L. James and Tony Wyss-Coray