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Tag: "serve" at biology news

Does a peptide affect the heart's response to social isolation?

...oles (unlike their human counterpart), the results serve as a springboard into better understanding the mechanisms that underlie the relations between social behavior and cardiac function in humans. ...

MIT's ocean model precisely mimics microbes' life cycles

...h ocean models in many years. She believes it will serve to break down disciplinary barriers between the physical and biological ocean sciences. Follows attributes this new approach to three factors: the emergence of new information about the genetic diversity of marine microbes, recent advances in comp...

Coated nanoparticles solve sticky drug-delivery problem

...ment. __IMAGE_2 "Mucus barriers evolved to serve a helpful purpose: to keep things out," said Justin Hanes, an associate professor of chemical and biomolecular engineering who supervised the research. "But if you want to deliver medicine in a microscopic particle, they can also keep the drugs from ...

New science of metagenomics 'will transform modern microbiology'

...for 10 years, the report notes. They would also serve as incubators for the development of novel techniques and community databases that would inform investigators running smaller experiments. In addition, the large studies would provide the "big science" appeal that is often useful in igniting public ...

Fruit fly gene research may shed light on human disease processes

...ntal processes as larger creatures. Thus, they can serve as models, allowing us to observe details we can't see in more complex animals." To understand cellular differentiation, Erickson and his graduate students have been researching how fly embryos become male or female, a process that occurs over a 3...

Fish can determine their social rank by observation alone, study finds

...ransitive inference," in which known relationships serve as the basis for understanding unfamiliar ones. "Transitive inference is essential to logical reasoning," Fernald explained. "It's something that kids generally figure out by age 4 or 5--Mary is taller than Fred, Fred is taller than Pete, therefo...

Bacteria from patient's dental plaque causes ventilator-associated pneumonia

.... "These results suggest that the teeth likely serve as an important reservoir of infection in these patients," said Heo. "To prevent opportunistic, hospital-acquired disease, taking care of teeth and gums while hospitalized might be especially important." ...

UCLA/Toronto researchers unlock key to memory storage in brain

...ory is not a static snapshot," he said. "Memories serve a purpose. They are about acquiring information that helps us deal with similar situations in the future. What we recall helps us learn from our past experiences and better shape our lives." ...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...e identified gene expression signatures that could serve as biomarkers to predict how individuals will resp...erapy. Ultimately, they uncovered 44 peptides that serve as biomarkers for response to therapy. According to Dr. Diaz, the physiological role of the 44 pepti...

Protein sensor for fatty acid buildup in mitochondria

... made in the mitochondria, and these ATP molecules serve as the "currency" with which the cell can "buy" all of the biochemical reactions that keep the cell alive and performing its functions. Virtually all cells have mitochondria, and disruption of their function can cause a variety of diseases. "Our ...

Failure to meet United Nations sanitation target could affect millions of the world's poorest

...argets by focusing on urban areas, because you can serve more people more quickly when they are clustered together," she said. "From a public health perspective, you may also argue that it's the smart thing to do, because densely settled areas are particularly vulnerable to the transmission of waterborne d...

Bioluminescence at the service of a novel cerebral imaging technique

...lobal activity of the entire brain which will then serve as a reference to compare cerebral activity in dif...ies bearing different mutations, or in flies which serve as models for a variety of human pathologies, such as Alzheimer's disease, Parkinson's disease or Hu...

Scientists find potential 'off-switch' for HIV virus

...hat the Tat protein and the enzymes that modify it serve as a "resistor," a component of an electrical circ...out how HIV enters and exits latency, and it might serve as a useful model for latent infections by other viruses, as well," said Shenk, Princeton's James A....

'Night owls' report more insomnia-related symptoms

...he ‘night owl?group,?said Ong. “These factors may serve to perpetuate the insomnia disorder, and might be particularly important to consider when treating this subgroup of insomniacs.? Insomnia, a classification of sleep disorders defined by difficulty falling asleep or staying asleep, waking up too ear...

Why doesn't the immune system attack the small intestine?

...enters," as dendritic cells are, the stromal cells serve the same purpose: exhibiting normal-cell antigens to the immune system. "Our study points to a previously unknown mechanism of immune system tolerance," Turley explains. "When you think of the conditions in the small intestine, with so many million...

Study shows hope for early diagnosis of Alzheimer's

...acing a neurologist,?Polikar said. “We hope it can serve as a first test for those folks who don’t have access to research facilities.?If the initial test indicates a possible problem, physicians could refer the patient to a research hospital for further evaluation. “Our ultimate goal is to increase the...

Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps

...V) infection. The rhesus genome sequence will also serve to enhance essential research in neuroscience, behavioral biology, reproductive physiology, endocrinology and cardiovascular studies. In addition, the rhesus serves as a valuable model for studying other human infectious diseases and for vaccine rese...

Stem cells act through multiple mechanisms to benefit mice with neurodegenerative disease

...mice, the researchers believe that their study may serve as a springboard for development into a clinical trial. These diseases are part of a much more common group of diseases called "neurogenetic diseases". These findings contribute fundamental basic knowledge about stem cell biology that will help...

Hybrid molecule causes cancer cells to self-destruct

...t. "Our insight was to select the sugar partner to serve not just as a passive carrier but as additional ammunition in the fight against cancer." The researchers focused on a sugar called N-acetyl-D-mannosamine, or ManNAc, for short. The team created a hybrid molecule by linking ManNAc with butyrate. Th...

Male reindeer inflate a large air sac in the neck region to emit their hoarse rutting calls

...the neck region. Both acoustic and optical display serve to deter rival males and thereby prevent fighting, allowing to conserve energy. Simultaneously, the performance serves to attract female mating partners. Males vocalize almost exclusively during the autumn rutting season whereas females are mostly...

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