Researchers find gene that spurs development of the epididymis
...port that they have discovered a gene and related mechanism essential to the embryonic development of the epididymis. The findings are the result of a serendipitous discovery, said professor of veterinary biosciences Humphrey Hung-Chang Yao. His graduate student, Jessica Tomaszewski, was examining the test...A new system for collaboration in cell communication
...e (IRB Barcelona) have identified a new signalling mechanism among cells in the fruit fly, Drosophila melanogas... signal. This research describes a very signalling mechanism in the fly which is very basic. It gives us good insight into how these mechanisms work so that we c...Weizmann scientists discover a new line of communication between nervous system cells
...States, have now provided a vital insight into the mechanism by which glial cells recognize and myelinate axons. How do the glial cells and the axon coordinate this process" The Weizmann Institute team found a pair of proteins that pass messages from axons to glial cells. These proteins, called Necl1 and Ne...Nanotechnology: consumers must be convinced benefits outweigh risks
...ation of a better decision-making and coordination mechanism among government agencies to implement a strategic federal risk research plan for nanotechnology and to lead government-industry research partnerships in this area. He noted that government-industry models like the Health Effects Institute, developed...TU Delft tracks the influence of a cancer inhibitor on a single DNA molecule
... of Nanoscience Delft have managed to unravel this mechanism in an extremely direct manner. In the laboratory t...Jude Childrens Research Hospital Memphis (USA) the mechanism could also be observed in living yeast cells....St. Jude study shows genes play an unexpected role in their own activation
...urther studies suggested that this KIX-independent mechanism can act on the same gene as the KIX-dependent mechanism; and that each mechanism may or may not contribute equally to activating a specific gene. The team also found evidence that o...Targeting key proteins of carcinogenesis
...drugs like Bortezomib and Herceptin. The molecular mechanism of Ub conjugation and its biological meaning has been discovered by Avram Hershko, Aaron Ciechanover and Irwin Rose who have been awarded the noble price for their work in 2004. In the current issue of Molecular Cell Prof. Ivan Dikic and his team fro...New compound effectively treats fungal infections
A new mechanism to attack hard-to-treat fungal infections has been...ks protein synthesis, killing the fungal cell. The mechanism crucially depends on a boron atom that is part of AN2690, which is needed to link the compound to th...Revealed -- Mosquito genes that could be controlling the spread of killer viruses
...vered genes in Aedes may provide a similar defence mechanism that can fight the disease viruses. Dr George Christophides of Imperials Division of Cell and Molecular Biology, senior author on the paper explains: Our study has revealed the genetic landscape made by parts of this mosquitos newly-sequenced ge...Pregnancy nausea/vomiting may indicate lower risk of breast cancer
...iversity at Buffalo suggests. Although the exact mechanism responsible for causing nausea and vomiting during pregnancy has yet to be pinpointed, it likely is a result of changing levels of ovarian and placental hormone production, which may include higher circulating levels of a hormone called human chorion...New $1.16 million study investigates how dietary iron is used by cells
...ion, he said. Kosman proposes that a general mechanism of cellular iron metabolism requires that iron-handling proteins involved in sequential steps in the pathway must be architecturally arranged contiguously in the cells membranes, at the interfaces between membranes and soluble compartments or within ...Hepatitis B drug can compromise HIV treatment
...s, he and his colleagues are further exploring the mechanism of the plateau and how it might be overcome....Scripps research scientists show protein accelerates breast cancer progression in animal models
...t PTN secreted from breast cancer cells is the key mechanism of stromal cell activation, and that PTN alone is sufficient to stimulate many of the critical signaling pathways that aggressively promote breast cancer progression. Using genetically modified mouse models, the study found that the inappropriate e...Surprising origin of cell's internal highways
...pic fibers. The findings point to a novel cellular mechanism that may guide cell movement and possibly cancer cell invasion. Microtubules are the largest of the three main types of filaments that make up the cytoskeleton -- a web of microscopic fibers inside the cell. They form when two globular proteins...Nobel scientists Craig Mello and John Mather to speak on origins of life and universe
...used on gene regulation during development and the mechanism of RNA interference. Along with Andrew Fire and co...and colleagues went on to show that the underlying mechanism is conserved in numerous other organisms, including humans, and is even essential for human life. ...UCF nanoparticle offers promise for treating glaucoma
... the research on using nanoparticles as a delivery mechanism for the compound after supervising a student summer project at UCF. Duke University undergraduate Serge Reshetnikov spent a summer studying nanoscience on UCFs Orlando campus as part of a Research Experience for Undergraduates (REU) project funded by...Reconstructing the biology of extinct species: A new approach
...We have shown that there is a fundamental adaptive mechanism linking a species' locomotion with the sensory systems that process information about its environment," says Alan Walker, Evan Pugh Professor of Anthropology and Biology at Penn State University, one of the team's leaders. The researchers studied 91...Researchers discover 'acquired' DNA key to certain bacterial infection
...Researchers announced this week the discovery of a mechanism by which Mycobacterium avium a bacterium which ca...cystic fibrosis is increasing. Understanding the mechanism by how M. avium penetrates the macrophage and infects humans may eventually lead to interventions th...Potent possibilities for parasite attack
...ld provide a working pathway for RNAi, an emerging mechanism for gene regulation. The genome sequences show that components for this pathway are absent from the other two Leishmania species. This pathway might serve as an experimental tool in understanding the role of the many genes whose function is unknown, ......is demonstrates an extracellular biomineralization mechanism that is unexpected because it involves the bacteria excreting proteins for nanoparticle aggregation away from the cells, said Peter Weber, one of the LLNL authors of the paper appearing in the June 15 edition of the journal Science. Weber and LLNL ...