A. “Clusters of secretagogin-expressing neurons in the aged human olfactory tract lack terminal differentiation,” by Johannes Attems, Alan Alpar, Lauren Spence, Shane McParland, Mathias Heikenwalder, Mathias Uhlen, Heikki Tanila, Tomas G. M. Hokfelt, and Tibor Harkany (Vol. 109, No. 16, April 17, 2012, p. 6259-6264).
www.pnas.org/content/109/16/6259.abstract
B. “Corticotropin-releasing factor receptor-dependent effects of repeated stress on tau phosphorylation, solubility, and aggregation,” by Robert A. Rissmana, Michael A. Staup, Allyson Roe Lee, Nicholas J. Justice, Kenner C. Rice, Wylie Valed, and Paul E. Sawchenko (Vol. 109, No. 16, April 17, 2012, p. 6277-6282).
www.pnas.org/content/109/16/6277.abstract
C. “The ubiquitin E3 ligase parkin regulates the proapoptotic function of Bax,” by Bethann N. Johnson, Alison K. Berger, Giuseppe P. Cortese, and Matthew J. LaVoie (Vol. 109, No. 16, April 17, 2012, p. 6283-6288).
www.pnas.org/content/109/16/6283.abstract
D. “Aging impairs intermediate-term behavioral memory by disrupting the dorsal paired medial neuron memory trace,” by Ayako Tonoki and Ronald L. Davis (Vol. 109, No. 16, April 17, 2012, p. 6319-6324).