Proceedings of the National Academy of Sciences current issueProceedings of the National Academy of Sciences RSS feed -- current issueSustainability_Science-BS Cost-effective priorities for global mammal conservation- August 12, 2008 <p>Global biodiversity priority setting underpins the strategic allocation of conservation funds. In identifying the first comprehensive set of global priority...http://www.pnas.org/cgi/content/short/105/32/11446?rss=1 Biochemistry From the Cover: Pharmacologic doses of ascorbate act as a prooxidant and decrease growth of aggressive tumor xenografts in mice- August 12, 2008 <p>Ascorbic acid is an essential nutrient commonly regarded as an antioxidant. In this study, we showed that ascorbate at pharmacologic...http://www.pnas.org/cgi/content/short/105/32/11105?rss=1 Physiology Retinoic acid-stimulated sequential phosphorylation, PML recruitment, and SUMOylation of nuclear receptor TR2 to suppress Oct4 expression- August 12, 2008 <p>We previously reported an intricate mechanism underlying the homeostasis of Oct4 expression in normally proliferating stem cell culture of P19,...http://www.pnas.org/cgi/content/short/105/32/11424?rss=1 Applied_Biological_Sciences Induction of angiogenesis in tissue-engineered scaffolds designed for bone repair: A combined gene therapy-cell transplant- August 12, 2008 <p>One of the fundamental principles underlying tissue engineering approaches is that newly formed tissue must maintain sufficient vascularization to support...http://www.pnas.org/cgi/content/short/105/32/11099?rss=1 Neuroscience Deletion of the mouse RegIIIbeta (Reg2) gene disrupts ciliary neurotrophic factor signaling and delays myelination of mouse cranial motor- August 12, 2008 A large number of cytokines and growth factors support the development and subsequent maintenance of postnatal motor neurons. RegIIIβ, also...http://www.pnas.org/cgi/content/short/105/32/11400?rss=1 Anthropology-BS The oldest Asian record of Anthropoidea- August 12, 2008 <p>Undisputed anthropoids appear in the fossil record of Africa and Asia by the middle Eocene, about 45 Ma. Here, we...http://www.pnas.org/cgi/content/short/105/32/11093?rss=1 Neuroscience T current potentiation increases the occurrence and temporal fidelity of synaptically evoked burst firing in sensory thalamic neurons- August 12, 2008 A growing number of in vivo experiments shows that high frequency bursts of action potentials can be recorded in thalamocortical...http://www.pnas.org/cgi/content/short/105/32/11376?rss=1 Psychology The functional basis of face evaluation- August 12, 2008 <p>People automatically evaluate faces on multiple trait dimensions, and these evaluations predict important social outcomes, ranging from electoral success to...http://www.pnas.org/cgi/content/short/105/32/11087?rss=1 Neuroscience Electroconvulsive seizure and VEGF increase the proliferation of neural stem-like cells in rat hippocampus- August 12, 2008 <p>All classes of antidepressants increase hippocampal cell proliferation and neurogenesis, which contributes, in part, to the behavioral actions of these...http://www.pnas.org/cgi/content/short/105/32/11352?rss=1 Sustainability_Science-PS Warming of the Indian Ocean threatens eastern and southern African food security but could be mitigated by agricultural deve- August 12, 2008 <p>Since 1980, the number of undernourished people in eastern and southern Africa has more than doubled. Rural development stalled and...http://www.pnas.org/cgi/content/short/105/32/11081?rss=1 |