The distinct marker of splenomegaly for leukemia was observed

in 33% of homozygous (nu/nu) see more and 17% of heterozygous (nu/+) of CBA nude mice with average incubation period of 3 10 days and 432 days post-inoculation, respectively. Furthermore, the ERV induced leukemia in both the SL mice and CBA nude mice was identified to be B lymphatic, transplantable and with rearrangement of the Evi-1 locus. The higher induction of leukemia and rearrangement of the Evi-1 locus in CBA nude mice are considered to be dependent on the lower immune status of the hosts. These findings indicate that the ERV could present the host immune dependent leukemogenesis in immunodeficient hosts through the Evi-1 gene rearrangement and suggest that screening of ERVs may be necessary in clinical transplantation or transfusion. (c) 2007 Elsevier B.V. All rights reserved.”
“We previously reported that diosgenin, a plant-derived steroidal sapogenin, improved memory and reduced axonal degeneration in an Alzheimer’s disease mouse model. Diosgenin directly activated the membrane-associated VX-770 cell line rapid response steroid-binding receptor (1,25D(3)-MARRS) in neurons. However, 1,25D(3)-MARRS-mediated diosgenin signaling was only

shown in vitro in the previous study. Here, we aimed to obtain in vivo evidence showing that diosgenin signaling is mediated by 1,25D3-MARRS in the mouse brain. Diosgenin treatment in normal mice enhanced object recognition memory and spike firing and cross-correlation in the medial prefrontal cortex and hippocampal CA1. In diosgenin-treated mice, axonal density and c-Fos expression was increased in the medial

prefrontal and perirhinal cortices, suggesting that neuronal network activation may be enhanced. The diosgenin-induced memory enhancement signaling pathway and axonal growth were completely inhibited by co-treatment with a neutralizing antibody for 1,25D3-MARRS. Our in vivo data indicate that diosgenin is a memory-enhancing drug and that enhancement by diosgenin is mediated by 1,25D(3)-MARRS-triggered axonal growth.”
“Highly correlated ab initio methods were used in order to generate the potential energy curves and spin-orbit couplings of electronic ground and excited states of PS and PS+. We also computed those of the bound parts of the electronic states of the PS- anion. We used standard coupled cluster CCSD(T) level with augmented correlation-consistent basis sets, internally contacted multi-reference configuration interaction, and the newly developed CCSD(T)-F12 methods in connection with the explicitly correlated basis sets.