Scientists track impact of Asian dust and pollution on clouds, climate change
...clouds and weather across thousands of miles while interacting with the Sun's radiation and playing a role in glo...ert. The plumes can alter global temperatures by interacting with large-scale, mid-latitude cloud systems over the Pacific that reflect enormous amounts of sunli...Researchers develop technique for bacteria crowd control
... collective and organized motion in the systems of interacting self-moving objects. Besides swimming bacteria, other examples include bird flocks, fish schools, motor proteins in living cell, and even swarms of communicating nano-robots. "We have presented experimental studies of collective bacterial swimmin...Study finds dietary fat interacts with genes
...bohydrate or protein, and does not affect BMI when interacting with fat, it may be more problematic for people in this group to lose weight through dietary changes if they do, in fact, become obese. Our findings demonstrate that although genetics help to determine our risk of obesity, dietary and lifestyle habit...In young mice, gregariousness seems to reside in the genes
...o a novel form of natural reward - the pleasure of interacting with other juveniles. At a practical level, the ne... amicable, spending much more time seeking out and interacting with other mice introduced into their environment. By controlling for a host of behavioral variables...Estrogen protects liver after traumatic injury
...strogen directs cellular processes in two ways: by interacting with DNA to produce new protein or by binding cell surface receptors to initiate rapid protein signaling. Current data points to cell surface receptors in improving recovery from liver injury following soft-tissue trauma and major blood loss, but whi...Polymers show promise for gene delivery, tissue scaffolds, other biomedical applications
...ontain a variety of functional elements capable of interacting with biological systems, he said. Initial studies have found macromolecular topology to be a significant parameter in the delivery of DNA into cells. In the cell, the new DNA initiates the manufacture of therapeutic proteins, such as might be neede...University of Minnesota's 6th annual Design of Medical Devices Conference to be held April 17-19
...heir biomedical engineering related research while interacting with industry professionals. Day three of the conference includes The Presidents 21st Century Interdisciplinary Conference: Inventing Medical Devices. Dean Kamen, entrepreneur and inventor of the Segway, and John Najarian, transplant surgeon and pi...Scientists unlock mystery of embryonic stem cell signaling pathway
...pecifically, IQ-1 blocks the coactivator p300 from interacting with the protein -catenin; this prevents the stem cells from being told to differentiate into a more specific cell type. At the same time, IQ-1 enhances the interaction between the coactivator CBP and -catenin, which signals the cells to keep dividin...New mathematical model to add rigor to studies of disease genetics and evolution
...DNA, but not the DNA sequence itself) or multiple, interacting DNA motifs. The simulation software allows scientists to compare DNA sequences to find hotspot patterns in the population, which may be important to understanding disease or evolution. His coalescent simulation computer program, available free f...Researchers use poliovirus to destroy neuroblastoma tumors in mice
...was possible to reach their target and still avoid interacting with the anti-poliovirus antibodies generated by the vaccine. Not only did the poliovirus prove effective in destroying the tumors, the treatment with virus also seemed to prevent tumors from recurring. Subsequent transplanted tumors were also de...A rarity among arachnids, whip spiders have a sociable family life
...her. They are constantly exploring one another and interacting with their siblings." Scientists have long thought these creatures were solitary and cannibalistic predators, as past studies have focused mainly on the adult's dramatic courtship and fighting behaviors. Rayor believes that because young amblypygids ......In previous assays, signals were generated only by interacting proteins, whereas the individual partners remained...ack-Werner explains. "Preventing HIV proteins from interacting with their crucial partners is a promising approach to developing novel therapies." Therefore the GS...UCLA study uncovers clues for why Graves' disease attacks the eyes
...evelop an antibody drug to block the receptor from interacting with the T-cells and slow down the disease. In Graves disease, the thyroid gland goes into overdrive, producing excess levels of hormone that attack the tissue behind the eye, causing them to protrude. In extreme cases, patients experience troub...A first glimpse of the influenza replication machine
...nerate a high-resolution image of the two proteins interacting with each other. The image revealed that mutations known to play a role in the transmission of avian influenza virus to mammals were located within, or close to, this site of interaction. This suggests that mutations may affect the efficiency of nucl...Largest-ever search for autism genes reveals new clues
... propose that multiple such gene variants, perhaps interacting with each other and with the tiny anomalies, contribute to risk. As more such genes are identified, studies of how they work in the brain in mice and other model systems will help to sort out the genetic and proposed environmental influences on aut...Scientists find method to pick noncompetitive animals, improve production
...ph that Muir took of various colorful fish species interacting in a simulated ecosystem at the Monterey, Calif., aquarium. "There is an inherited part of the associations among animals that has profound effects on performance," Muir said. "It's called competition. Animals compete for food, space, territory and...Scripps research team discovers a chemical pathway that causes mice to overeat and gain weight
..." says Sanchez-Alavez. "The PGE2 and leptin may be interacting and controlling eating behavior." Bartfai notes, "Inflammation as part of the obesity and metabolic syndrome is being recognized to an increasing degree. These data directly couple the lack of a particular type of inflammatory signaling via EP3R wi...Risk of extinction accelerated due to interacting human threats
... one threat. These results indicate that multiple interacting threats are capable of causing rapid population ex...s." "An accelerated decay in biodiversity due to interacting human-threats has been long suspected among ecologists and conservation biologists," Mora says. "Thi...Stanford-led study closes in on genes that may predispose some people to severe depression
...g depression. Instead, multiple genes are probably interacting to create what amounts to a genetic baseline level of risk. On top of that baseline, environmental factors are likely mixed in as well, things such as non-genetic physiological problems or psychological traumas. Some 10 to 15 percent of people suff......ess might be highly variable, depending on several interacting factors. In fact, the study found that it is pretty predictable, affected primarily just by the initial nitrogen concentration in the plant material which is decaying. "It was really surprising to see how similar these processes were across wide geo...