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Tag: "can" at biology news

Eavesdropping comes naturally to young song sparrows

...years of life. They can’t say very much, but they can understand a good deal," he added....

New research shows sharks use their noses and bodies to locate smells

...h from Boston University marine biologists, sharks can not use just their noses to locate prey; they also...o the research team, this is similar to how humans can sense air flow with the small hairs on the face. Until now, it had not been demonstrated that the la...

First confirmed common genetic risk factors for breast cancer

... to repair DNA breaks and other abnormalities that can result from chance or exposure to an environmental toxin, such as excessive UV sunlight. However, BRCA-1, BRCA-2 and the other previously identified breast cancer susceptibility genes are mutated in a relatively small percentage of women. "Risk mu...

Cytomegalovirus exacerbates atherosclerosis through an autoimmune mechanism

... have already shown that Cytomegalovirus infection can be responsible of the initial vascular lesions typical of the atherosclerotic process. The mechanism involved in the vascular lesion is of autoimmune origin: antibodies directed against particular proteins of the virus are able to bind molecules expr...

New designer lipid-like peptide with lipid nanostructures for drug delivery systems

... proteins and enzymes, and - as now demonstrated - can also be utilized to stabilize different self-assem...e surface charge density of lipidic nanostructures can be varied in a simple manner. Dr. Anan Yaghmur, first author of the study, comments on the study...

New study suggests potential for a broadly-protective HIV vaccine

...the body to produce cross-reactive antibodies that can neutralize multiple strains. USU Professors CAPT Gerald Quinnan, Jr., M.D., USPHS, and Christopher Broder, Ph.D., and their colleagues at USU attempted to elicit these broad-range antibodies in an animal model by immunizing with a particular HIV-1 su...

Gene expression patterns predict rapid decline in idiopathic pulmonary fibrosis patients

... that are actively involved in IPF research, so we can help them better decide a course of action." These findings also highlight the variability in the progression and outcome of IPF and may explain, in part, the difficulty in obtaining significant and reproducible results in studies of therapeutic i...

Want to save polar bears? Follow the ice

...ta on sea ice trends over the past few decades, we can make effective decisions that can make a difference for the largest carnivore on earth." The "Warm Waters for Cool Bears" initiativ...

For many insects, winter survival is in the genes

...that insects enter when temperatures drop. Insects can stay in this state of arrested development for sev...vive through the winter. "There may be steps we can take to disrupt the diapause process and make an insect vulnerable to low temperatures," Denlinger s...

How brain pacemakers erase diseased messages

...n approved by the Food and Drug Administration and can be found in the heads of about 30,000 Americans, t...keep bad information at bay. Indeed, slower pulses can actually add to problematic bursts, they showed. The model's findings closely parallel the clinic...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...intense stimuli – temperature, in this case – that can cause pain. As such, the receptor – known as m...s a target for studying acute and chronic pain, as can result from inflammatory or nerve injury, the researchers say, and a potential new target for treati...

Better insight into brain anatomical structures

...natomical details of soft tissues. Contrast agents can help to make these images even clearer and allow physiological processes to be followed in real time. Conventional gadolinium complexes currently used as MRI contrast agent cannot reveal anatomic structures. As reported in the journal Angewandte Chem...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

... are developing a physics-based virtual model that can simulate a patient's breathing in real time. When used in conjunction with existing 3-D models, adding the fourth dimension of time could significantly improve the accuracy and effectiveness of radiation treatment for lung and liver cancers. X. Ge...

Lessons from the orangutans: Upright walking may have begun in the trees

... primarily due to habitat destruction. "If you can understand how they cross gaps in the forest, you can learn about effects that living in logged or degraded habitat would have on their locomotion. These ...

An 'elegant' idea proves its worth 25 years later

...g to Hamosh, who says early and accurate detection can now assure prompt treatment. "We’re teaching al...w. "It isn’t too often in genetic medicine that we can intuitively develop a treatment with already available chemicals and save lives."...

Human stem cell treatment restores motor function in paralyzed rats

...neural stem cells directly into the spinal cord we can achieve a progressive recovery of motor function,”...clamp. After 30 minutes, this lack of blood flow can result in the death of specialized spinal cord neurons called spinal inhibitory neurons, leading to ...

Smallpox outbreak: How long would it take for vaccines to protect people? Would it work?

... purpose of the study is to see how quickly people can be protected against smallpox after a release of smallpox into the environment," Frey said. Dryvax® vaccine is the original Food and Drug Administration (FDA) licensed vaccine that was used to protect humans against smallpox disease. In this study...

Hawaiian treasure, macadamia nuts good for the heart

...rporating macadamia nuts into a heart healthy diet can reduce cardiovascular disease risks according to Penn State researchers. "We looked at macadamia nuts because they are not currently included in the health claim for tree nuts, while other tree nuts are recommended as part of a healthy diet," says ...

Resistant HIV quickly hides in infants' cells

...t drug-resistant virus passed from mother-to-child can quickly establish itself in infants?CD4+ T cells where it can hide for years, likely limiting their options for future treatment. The study is published in the Ma...

Early exposure to indoor fungus molecules may protect infants against future allergies

...re to certain indoor fungal components (molecules) can help build stronger immune systems, and may protec...e exposure to high levels of indoor fungal glucans can have a positive impact on the human immune system. "Fungi are a diverse group of microorganisms,...

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