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Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...s to recognize and communicate with other cells or get nutrients. Cells also communicate with one another via small, membrane-bound vesicles that contain proteins or other molecular cargo. When delivering their goods, vesicles from one cell fuse with the outermost membrane of another cell to form a serie...

Art and music for the birds

...e human song. “My interest with the piece was to get us to think about the impact we have on the other species around us,” she adds. The bird listening stations are part of the exhibition “Inside/Outside: Habitat” on view at the Abington Arts Center’s Sculpture Park in Jenkintown, Pa., through Wednes...

Cellular message movement captured on video

...“When we piece all of these things together we can get a more complete understanding of how the cell functions, both in migration and signal transduction,” said Chien. “If we can understand the details of these processes, we can not only understand how normal cells function, but we can also look at disea...

Agent slows aging in mice

...n the control group have died, the scientists will get answers to the really burning question: Will the mice fed NDGA, already well past middle age, live past the normal outer limit of old age" The longest that mice of this type usually live is around 1,000 to 1,100 days. “If NDGA turns out to extend...

Enzyme delivered in smaller package protects cells from radiation damage

...nSOD in this very small vector, we will be able to get this radioprotective enzyme more efficiently into all of the cells of the body and give patients receiving total body radiation for systemic cancers better long-term outcomes. This also has implications for the prophylactic protection of those who ma...

Brain inflammation may be friend, not foe, for Alzheimer's patients

...heimer’s disease, protecting the brain and helping get rid of clumps of material known as plaques that are a hallmark of the disease. While many scientists have assumed that inflammation as a result of disease or injury only adds to the brain’s woes, the new findings show that the opposite may be true...

Modeling the restless brain

..., like a computer. If you provide an input, you'll get a particular output," said Honey, a doctoral student in IU Bloomington's Department of Psychological and Brain Sciences. "We take a different view. We believe that even in the absence of an external stimulus, there are very important processes going ...

Simulations unravel outer membrane transport mechanism

...onB-dependent transporter, Gumbart said. “As we get more computational power, we’re looking less at single proteins and more and more at the interaction of proteins,” he said. “And this is going in the direction of what’s called systems biology. This is essential because none of these proteins actuall...

How sneaky HIV escapes cells

... “Surprisingly, all that’s needed for a protein to get out of the cell in exosomes are the ability to clu...eins together into a clump, and this was enough to get them sent out of the cell in exosomes. If they added a tether to force naturally-clumping proteins i...

Hormone helps mice 'hibernate,' survive starvation

...acts these processes. “We want to see if we can get some benefits of eating less without actually eating less,” he said. Manipulating the PPAR-alpha-FGF21 signaling pathway might ultimately prove to be a vital part of the ongoing search for new therapies for human obesity and other metabolic condit...

New bacterium discovered -- related to cause of trench fever

... continue to discover new pathogens and how humans get infected with them, we improve our ability to diagnose, prevent and treat our patients,” Koehler notes. “This enables us to use our work in the laboratory to benefit patients in the clinics and hospital.” ...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...s, even whole organs available when needed. To get there, researchers are directly comparing slow-fre...trigger ovulation with a hormone or naturally, you get the last separation of the chromosomes, from 46 to 23,” says Dr. Emmi. That separation enables a fut...

Breakthrough developments in rheumatoid arthritis reported

... what excites Dr. Gregersen. “We have the tools to get at these genes rather quickly now,” he said. “The more patients and controls that we have, the more power we will have to pull out new genes and make associations.” In another major breakthrough, scientists have discovered the importance of a s...

Researchers shed light on shrinking of chromosomes

...aration defects appeared. “Sometimes chromosomes get stuck and cannot be fully separated by the spindle that normally distributes them into the daughter cells,” says Felipe Mora-Bermúdez, who carried out the experiments in Ellenberg’s lab, “we think that the ‘super condensation’ at later stages helps t...

Researchers examine carbon capture and storage to combat global warming

...t makes driving something we're willing to do" You get automakers to build good cars, we have driver trai...ars, it's a huge problem right now, so you have to get on this point. But nonetheless, our dependence on fossil fuels is not going to last forever.''...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...dividuals cannot produce them ad nausea and try to get mates,” said McGraw. “The reason typically is that long tails and fancy dances incur costs. Testosterone, for example, has been thought of as a double-edged sword as it relates to sexual signals, because it enhances trait production but comes at a he...

Study shows lizard moms dress their children for success

...or bars stretching from side to side. Whether they get stripes or bars depends on the genes for other traits. "This is the first example in which exposure to the mother's hormones changes such a fundamental aspect of appearance. Even more exciting is that the mother has different patterns at her dispo...

Women well informed about breast cancer, yet lacking knowledge about current treatments

...s the need for women to educate themselves to help get the best treatment,” said Diane Blum, MSW, executive director of CancerCare. “While great progress has been made in breast cancer awareness through public education and increased media coverage, women with breast cancer would benefit from more infor...

MU researchers to study the status of black bears in Missouri

...e bear population in Missouri,” Hamilton said. “We get lots of questions from citizens and media this time of year because bears are active and get into trouble, and we try to reassure the public that we are prepared to handle nuisance bears and pr...

Study investigates 'divorce' among Galapagos seabirds

...y breeding probably improves as the pairs of birds get older and are together longer, as has been found in other birds. But, often the female seeks a divorce after a few breeding seasons. Since males significantly outnumber females in the colony studied, there are plenty of bachelors available if th...

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