A. “Preventing Alzheimer’s disease-related gray matter atrophy by B-vitamin treatment,” by Gwenaelle Douaud, Helga Refsum, Celeste A. de Jager, Robin Jacoby, Thomas E. Nichols, Stephen M. Smith, and A. David Smith (Vol. 110, No. 23, June 4, 2013, p. 9523-9528).
www.pnas.org/content/110/23/9523.abstract.html?etoc
B. “Brain homogenates from human tauopathies induce tau inclusions in mouse brain,” by Florence Clavaguera, Hiroyasu Akatsu, Graham Fraser, R. Anthony Crowther, Stephan Frank, Jurgen Hench, Alphonse Probst, David T. Winkler, Julia Reichwald, Matthias Staufenbiel, Bernardino Ghetti, Michel Goedert, and Markus Tolnay (Vol. 110, No. 23, June 4, 2013, .pdf and HTML format, p. 9535-9540). Note: PNAS is providing open access to the full-text of this article.