In nature, proteins sweep up nanoparticles
...ld. The scientists also sought to understand the mechanism by which proteins promote nanoparticle aggregation. They found that the presence of cysteine, an amino acid that is a building block to most proteins, yielded the most extensive and prolonged aggregation, with some blobs measuring ten microns in diam...Muscle weakness: New mutation identified
...tein tropomyosin mutation is directly related to a mechanism by which the mutant tropomyosin modulates contract...ents and in vitro motility analyses demonstrated a mechanism where tropomyosin modulates myosin-actin kinetics. A slower motor protein myosin attachment rate to...JCI table of contents: June 14, 2007
...yme phospholipase C. The results represent a novel mechanism through which trypsin or tryptase released in resp... the cellular levels that underlie this protective mechanism and suggest that some of these cellular events may serve as excellent therapeutic targets for the tr...LIAI researchers identify a potential role for retinoic acid in autoimmune and inflammatory diseases
... Weaver said, the LIAI researchers had developed a mechanism by which you can prevent the development of the (i...atory diseases, as well as potentially providing a mechanism for the control of graft rejections, where you dont want the immune system to attack the grafted tis...Human activities increasing carbon sequestration in forests
...ion and management options have been viewed as one mechanism to absorb carbon dioxide from the atmosphere and reduce concerns about the greenhouse effect and global warming. ...'Wurst' ensures that the respiratory system works
...hat it performs a key function in endocytosis the mechanism by which cells absorb substances from their environment. Thus, by selectively taking in salts, the cells are able to draw water from their environment by diffusion. This appears to be the way in which the tracheae are drained. However, if the "Wurst"...Physicist cracks women's random but always lucky choice of X chromosome
...ast 10% of our genes may behave in similar ways as mechanism that "chooses" between X chromosomes. Examples of ... actually does give an evolutionary advantage. The mechanism means equal numbers of both the maternal and paternal X chromosome are preserved in the gene pool an...Salvage logging, replanting increased biscuit fire severity
...from these data, Thompson said, what the causative mechanism is the tree removal, the addition of more fine fuels to the forest floor during the logging operation, or the growth of new trees that for several decades may be very vulnerable to new fires. The study is not, researchers said, an indictment of sa...Researchers shed light on mechanism of action used by anti-cancer drug
...sey Cancer Center researchers have uncovered a new mechanism of action of the anti-cancer drug sorafenib, which...cell biology program, VCU researchers identified a mechanism by which sorafenib inhibits protein translation, and which may be involved in reducing expression of...Researchers shed light on shrinking of chromosomes
...disentangle such chromosomes and acts as a back-up mechanism to rescue separation defects. The EMBL researchers...s. They now hope to uncover the detailed molecular mechanism underlying the late shortening of chromosomes. This could further advance our understanding of cell ......on of Science that they have identified a neuronal mechanism that our brains may use to rapidly distinguish similar, yet distinct places. The work could lead to treatments for memory-related disorders, as well as for the confusion and disorientation that plague elderly individuals who have trouble distingui...UCLA researchers discover novel pathway that may promote immune system balance
...gnaling pathway that may serve as a vital Yin-Yang mechanism to maintain the delicate balance of immune response. The discovery, published in the June issue of the peer-reviewed journal Cell, may lead to new ways to fight cancer and inflammatory diseases, said Ke Shuai, a professor of hematology/oncology, a...Pesticides choke pathway for nature to produce nitrogen for crops
...the host plant and symbiotic bacteria. This is the mechanism by which these chemicals reduce symbiosis and nitr...mmonly used agricultural chemicals shared the same mechanism of action as PCP, but with varying amounts of signal disruption. Fox, McLachlan and colleagues, i...New clues to stroke role in Alzheimer's
... Press. The researchers sought to understand the mechanism by which stroke or brain injury causes the increase of an enzyme called BACE in the brain. BACE is a protein-cleaving enzyme that snips apart a brain protein called amyloid precursor protein to form a shorter protein called A beta peptide. It is this...Neuronal activity gives clues to working memory
...own as "working memory." "We've now identified a mechanism that can organize the activity of groups of cells ...precursor of schizophrenia, drugs that target this mechanism might someday help fight that debilitating disease," he says. The findings have been published in ...Study shows big power of small RNAs, not just proteins, in halting cancer
...eper understanding of a critical tumor suppression mechanism but also may provide insight into how to best engage the p53 pathway to treat cancer by killing tumor cells, said He. ...Cancer drug enhances long-term memory
...asticity in the brain, and we now know a molecular mechanism through which these enhancements occur, said Marcelo Wood, assistant professor in the Department of Neurobiology and Behavior at UCI and an author of the study. This study appears June 6 in the Journal of Neuroscience. A protein complex called ch...Simulations unravel outer membrane transport mechanism
...is have painstakingly modeled a critical part of a mechanism by which bacteria take up large molecules. Their f...olding. This clearly indicates that the unplugging mechanism is very unlikely. Coupled with increasingly sophisticated crystallographic studies and basic biolo...Evolutionary relevance of retinoic acid-induced craniofacial malformations
... that modulation of a common regulatory signalling mechanism could be at the origin of changes in jaw structures between species. The implications of these findings go much beyond the original scope of this study and will have a major impact on developmental biology and evolutionary biology as they pave a wa......esearchers at the University of Leeds have found a mechanism to prevent a potentially fatal heart condition tha...vity. Dr Oois study is the first to identify the mechanism behind specific changes in protein levels that impact upon cardiac cell size. Levels of two proteins...