Nano-Probes Allow an Inside Look at Cell Nuclei
...anocrystal past the highly selective membrane that guards the entrance into the nucleus. In nature, a virus called SV40 is coated with a protein that binds to a cell's nuclear trafficking mechanism, a ploy that gives the virus an unhindered ride inside the nucleus. Chen and Gerion obtained a portion of this...'Genetic network' guards against lethal DNA damage
...discovery in yeast cells of a genetic network that guards against lethal DNA damage is a first step in the creation of a database of disease-causing combinations of mutated human genes, according to researchers at The Johns Hopkins University School of Medicine led by Jef. D. Boeke, Ph.D. In a report in the...Elephants, large mammals recover from poaching in Africa's oldest national park
...in large part to the anti-poaching efforts of park guards who patrol this World Heritage Site at great perso...a high cost over the past few years. Over 100 park guards in Virunga Park have been killed since 1996 while trying to prevent poaching, and one was killed as ...Cracking open the black box of autoimmune disease
...as a kind of military unit, a defense network that guards the body from invaders. Seen in this way, a group of white blood cells called T cells are the frontline soldiers of immune defense, engaging invading pathogens head on. These T cells are commanded by a second group of cells called regulatory T ce......l, thanks to sustained conservation efforts by the guards and staff members within that landscape. The current total of mountain gorillas at both locations brings the worldwide tally to approximately 720 individual animals....