Tag: "new" at biology news

Study finds mix of disease processes at work in brains of most people with dementia

...ase processes present in the brain, according to a new study. The research was funded by the National Institute on Aging (NIA), part of the National Institutes of Health, and conducted at the Rush Alzheimer’s Disease Center at Rush University Medical Center in Chicago. Julie Schneider, M.D., and colleagu...

Risk of stroke doubles if diagnosed with Type 2 diabetes

...e compared to those without diabetes, according to new research from the University of Alberta. It was found that the risk of a stroke is considered high within the first five years of treatment for Type 2 diabetes and more than doubles the rate of occurrence. For this study, the researchers entered 12,...

454 sequencing identifies HIV drug resistance at early stage

...with HIV/AIDS worldwide. In the U.S. alone, 40,000 new infections occur each year. ...

Exploring the dark matter of the genome

...omatin's organization and constitution, and led to new insight into how it helps cells and organisms surv...ans have some 20,000), but the annotators found 32 new ones in the heterochromatin, more than twice as many as previously described. Finally, the annot...

In nature, proteins sweep up nanoparticles

...ch tightly packed metal sulfide formations are not new to scientists, but they do beg a question that remains unanswered: Why do the nanoparticles group together" Something so small should disperse throughout the mine. Instead, the metal nanoparticles form blobs that measure several microns in diameter (...

University of Pittsburgh School of Medicine researchers develop 'off-the-shelf' vascular grafts

...idney diseases, where there is a critical need for new sources of blood vessels for vascular grafts. The saphenous vein taken from a patient’s leg continues to be the most commonly used graft for coronary artery bypass grafting even though a significant percentage of vein grafts eventually fail. Arteria...

Staphylococcus aureus hides out in cells

...erstanding persistent infections, and in designing new antibacterial drugs. S. aureus has not traditionally been considered an intracellular pathogen, but the molecular details that govern its extended persistence remain largely unknown. The bacteria can generate relapsing infections even years after the...

Research finds that circadian rhythms dominate all life functions

...ll life functions and particularly metabolism. The new study presents oscillation as a basic property of ...orado State University researcher Andrey Ptitsyn's new analysis of data collected through several studies establishes a baseline oscillation in 98 to 99 pe...

Potent possibilities for parasite attack

...iasis has identified a small number of genes, many new to biology, that will provide a framework to target the search for new treatments. Leishmaniasis is a devastating disease that affects about two million people each year a...

Gene responsible for common hearing loss identified for first time

...gium, said that this finding may be a step towards new treatments for otosclerosis, which affects approximately 1 in 250 people. Otosclerosis is a multifactorial disease, caused by an interaction of genetic and environmental factors. The outcome is a progressive hearing loss as the growing bone in the m...

The kapok connection -- Study explains rainforest similarities

...from widespread extinction by continuing to invade new land areas through oceanic dispersal."...

Mutating the entire genome

...h the skeleton of a normal mouse on the right. The new method promises to speed efforts to learn more abo...uence of deleting non-gene DNA sequences, and this new method allows us to evaluate what these sequences do,” says Mario Capecchi, distinguished professor ...

Researchers demonstrate way to control tree height

...techniques. It opens the door to a wide variety of new products for the ornamental and nursery industries, experts say, if regulatory hurdles can be overcome – a big “if.” The findings were recently published in the journal Landscape Plant News. “From a science perspective, this is a very interes...

Blood-brain barrier breached by new therapeutic strategy

...calized delivery around the site of injection. The new research provides a safe and non-invasive method for delivering therapeutic molecules across the blood-brain barrier. It has the potential to be applied to the treatment of a variety of brain infections and diseases. The researchers are now trying to...

Weizmann Institute scientists develop a general 'control switch' for protein activity

...unction of unknown proteins, and in the future the new technique may find many additional uses. The s... search for proteins that can serve as targets for new drugs. Beyond offering a potent tool that can be applied to any protein, the method has an important...

UI anthropologist, colleagues discover remains of earliest giant panda

...gs, indicating heavy chewing, on the skull. The new find, made about 18 months ago in a south China ka...ion probably took millions of years to refine. Our new discovery shows the great time depth of this unique bamboo-eating specialization in pandas. Thus, pa...

Fat fish put obesity on the hook

...d Science University in Portland, OR, have found a new way fish can help eliminate obesity. In a study to...model should greatly accelerate the development of new drugs to help people lose weight and keep it off. According to corresponding author Roger Cone, “Be...

Reconstructing the biology of extinct species: A new approach

...on produced by its limbs. "If an animal evolves a new way of moving about the world, its organ of balanc...time, we can test our previous conclusions using a new source of information." ...

How 'memory' T cells curb the spread of viruses throughout the body

...ould prevent viral diseases has been debated. The new work by Fox Chase virologist Luis J. Sigal, D.V.M., Ph.D., and his Fox Chase colleagues in the virology and pathology programs, provides the basis whereby memory CD8 T cells do, in fact, prevent viral diseases. CD8 T cells normally reside in lympho...

Restricting hospital-based services during SARS outbreak had modest impact

... commentary, Dr. Richard Schabas examines Canada’s new Quarantine Act and argues that it would be useful in only very limited circumstances....

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