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Tag: "experimental" at biology news

Study shows humans have ability to track odors, much like bloodhounds

...nerves alone. "One possible objection is that the experimental set-up, with a mask that provides separate air flow to each nostril, is artificial. How behaviorally relevant is that?" said Porter. Subsequent experiments not yet reported, however, provide additional support for their hypothesis that the ability to...

Newly discovered genetic disease sheds light on body's water balance

...tifying a new genetic disease. Feldman said, "This experimental research is an example of how close the basic science laboratory bench has moved to the patient's bedside in modern medicine. These two areas now complement each other and bench-to-bedside progress leads to more rapid advances that benefit our patien...

New type of rejection blocker protects kidneys after transplant

... anti-rejection treatment. Patients who took the experimental drug, a co-stimulatory blocker called belatacept (...tacept is an injectable protein, one of a group of experimental drugs called co-stimulatory blockers. The immune system's normal response to a transplant is to reco...

Most common lung cancers may begin in newly discovered cells

...of lung cancer and the effects of conventional and experimental therapies. The mouse carries a silent genetic mutation of an oncogene known as K-ras, which is found in about one-third of all tested non-small cell lung cancers in people. A specially designed virus can activate the mutation in only a few cells. Th...

Missing Receptor Molecule Causes Tumor Growth

...e much better than cell cultures commonly used for experimental research. It was determined that in 20% of the tissues examined the gene responsible for DR4 was methylated to a higher degree and DR4 was missing. This research supported by funding from the Austrian Science Fund, FWF, paves the way for future ther...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...igniting the fires, to contain the fire within the experimental parcel. In the first round of burning last year, t...nge has on animal populations and behavior. These experimental fires are a crucial part of simulating what is happening in the Amazon today, as fires set by landho...

Nanoparticles carry cancer-killing drugs into tumor cells

...e much better than cell cultures commonly used for experimental research. It was determined that in 20% of the tissues examined the gene responsible for DR4 was methylated to a higher degree and DR4 was missing. This research supported by funding from the Austrian Science Fund, FWF, paves the way for future ther...

New Scripps Oceanography project to study sediments and ecosystem restoration in Venice lagoon

... resuspension and turbidity plumes associated with experimental subtidal banks Lisa Shaffer, Scripps director of policy programs and international relations, is serving as the project coordinator and managing the external peer-review process for Scripps. ...

Carnegie Mellon University research reveals how cells process large genes

...ing pathway for long introns. Lopez combined these experimental data with computational and phylogenetic analyses ... several fruitfly and other insect species. "Our experimental results agreed with the computational findings, indicating that these ratchetting points mediate the...

Reversal of role for a viral protein associated with the development of lymphoma

...ing pathway for long introns. Lopez combined these experimental data with computational and phylogenetic analyses ... several fruitfly and other insect species. "Our experimental results agreed with the computational findings, indicating that these ratchetting points mediate the...

Investigating 'brain shrinkage' in alcoholics

...w neurons to "talk" with neighbouring neurons. "In experimental animals," he said, "these have been shown to grow and spread again after periods of abstinence ?weeks to months ?and have been accompanied by improved brain function. Structural and functional changes seen in cirrhosis of the liver are also potential...

Mass production of human papillomavirus could lead to gains against cervical cancer

...n," said Ahlquist. "We couldn't pursue a number of experimental approaches because of the small amounts of virus available," he said. "Also, we were restricted in genetically manipulating the virus because the available approaches required a fully functional viral genome to make infectious virus." Two discoverie...

Hybrid grass may prove to be valuable fuel source

...een grown for 22 years in Europe's longest-running experimental field. The crop has never been invasive and rhizome spread has been no more than 1.5 meters (4.92 feet), said Uffe Jorgensen, senior scientist for the Danish Institute of Agricultural Sciences. The next step, Long said, is to demonstrate how Miscant...

Cultural norms not unique to human societies

...Scotland, applied a unique method that extends the experimental approach to the group level, focuses on ape-to-a... naturalistic foraging task into three groups (two experimental and one control) to see if chimpanzees can learn by observation. While unseen by other chimpanzees, ...

HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find

... disease. NIH clinical investigators pioneered the experimental use of IL-2 in HIV therapy to help boost the immun... system regulator. While its use in HIV therapy is experimental and can be associated with various side effects, IL-2 is licensed to treat certain cancers. NIH res...

3D Atlas Will Help Navigate The Spinal Cord

...to become the knowledge management environment for experimental and, eventually, clinical observations. Though no...en tissue becomes available), thus supporting both experimental and clinical approaches. ...

Discovery of T-cell 'traffic control' boosts new drug promise

... tissue. The new research explains how a promising experimental drug treats the autoimmune disease multiple sclero...d by other researchers. That study showed that the experimental drug, FTY720, significantly reduced the destructive autoimmune process in patients with MS, a debili...

Molecular miners find pain relief drugs from the sea

... shown to be effective in treating pain in several experimental animal models of human pain syndromes, including post-surgical and neuropathic pain," Associate Professor Livett says. "In addition, it has the unique property that it appears to accelerate the rate of recovery from a nerve injury." "We are very ex...

Rensselaer researchers develop approach that predicts protein separation behavior

...ted adsorption isotherm parameters then replicated experimental results by predicting the actual separation profile of proteins in chromatographic columns. Chromatography techniques are used to identify and purify molecules, in this case, particular proteins. "We intend to test the model against more complicated...

Several minute intermediate stage in virus-cell fusion discovered; opportunity for drug development

...ight against HIV and other similar microbes. "Our experimental system does pause frequently for hundreds of secon... actually work, to fine-tune their activity." The experimental set-up for this study was devised by Young and Melikyan last year to investigate viral infection in ...

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