A. “Mice deficient in Rbm38, a target of the p53 family, are susceptible to accelerated aging and spontaneous tumors,” by Jin Zhang, Enshun Xu, Cong Ren, Wensheng Yan, Min Zhang, Mingyi Chen, Robert D. Cardiff, Denise M. Imai, Erik Wisner, and Xinbin Chen (Vol. 111, No. 52, December 30, 2014, p. 18637–18642).
www.pnas.org/content/111/52/18637.abstract.html?etoc
B. “Glutamatergic regulation prevents hippocampal-dependent age-related cognitive decline through dendritic spine clustering,” by Ana C. Pereira, Hilary K. Lambert, Yael S. Grossman, Dani Dumitriu, Rachel Waldman, Sophia K. Jannetty, Katina Calakos, William G. Janssen, Bruce S. McEwen, and John H. Morrison (Vol. 111, No. 52, December 30, 2014, p. 18733–18738).