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Tag: "potentially" at biology news

Slow brain waves play key role in coordinating complex activity

...in to guide neurosurgeons during brain surgery and potentially to use these same high frequency oscillations to control robotic devices in paralyzed patients. "This represents a paradigm shift in how we map brain function," said Berger. "As a neurosurgeon, I work within these very complicated cortical and subco...

Abnormal overexpression of p53 is a predictive molecular biomarker

...t of p53 tumor suppressor gene therapy - making it potentially the first predictive biomarker test for a gene-based drug. Researchers at Introgen Therapeutics, Inc., in Austin, Texas, found that patients with advanced squamous cell carcinoma of the head and neck cancer (SCCHN) whose pre-treatment tumor samples ...

Altered perception of reward in human cocaine addiction

...e, to their drug of choice at the expense of other potentially but no-longer-rewarding stimuli -- with a concomitant decrease in the ability to inhibit maladaptive drug use. In the experiments, the scientists subjected cocaine-addicted and non-drug-addicted individuals to a range of tests of behavior, cognition/...

Nano-devices hold promise for early-stage cancer detection

...ric. Their function is to screen for, detect, and potentially treat, cancer and other diseases when they are still at a single-cell size in early development stages. They will also detect harmful pathogens in food and water. Engineering researchers at McMaster University will be escalating efforts to develop ...

Adolescent but not adult hamsters are more aggressive on low dose of fluoxetine

...ugh fluoxetine consistently calmed the adults in a potentially threatening situation, it differentially affected ...ly react to drugs given to adults in different and potentially negative ways. We need to understand how these drugs will affect the developing nervous system befo...

Stanford discovery may help predict when toxoplasma can be deadly

... pregnant can pass the organism to their fetuses, potentially resulting in sight and hearing problems as well as learning disabilities. The new findings have implications for determining how to treat these and other infected people: More aggressive therapy may be warranted if a strain that contains the prot...

UCSD researchers discover internal compass of immune cell

... infection and inflammation. These findings could potentially lead to new treatments for serious infections and inflammatory diseases in patients. The research, reported in the December 15, 2006 issue of the journal Science, describes the elements of the "internal compass" that neutrophils use to detect and m...

Researchers create genetically matched embryonic stem cells for transplantation

...gnition of cells by the immune system, making them potentially useful for transplantation therapies. There are several caveats, including the fact that only females could benefit from this technique, donating their own eggs to generate the stem cells, and concerns that the tissues derived from this special type ...

Experimental vaccine protects mice against deadly 1918 flu virus

...osafety labs where scientists study contagious and potentially deadly materials under high-level safety and contamination precautions designed to protect the researchers and prevent microorganisms from entering the environment. "Understanding why this influenza virus was so deadly is an extremely important qu...

Common cold virus leads to death in lung transplant patients

...une systems due to drugs to halt rejection, are at potentially higher risk from the virus. "Our evidence demonstrates that rhinoviral disease is not exclusively limited to the upper respiratory tract," said Dr. Kaiser. "It can also lead to lower respiratory complications, which immunosuppressed patients can b...

New moth variety disarms plants guarded by selenium

...overcome by some insects, and that such adaptation potentially echoes in the food web as other predators and para... point out that in a broader context, the findings potentially have implications for a number of ways in which selenium accumulation might be utilized in different...

New dwarf buffalo discovered by chance in the Philippines

...re tamaraw on Mindoro and a report of fossil teeth potentially referable to Bubalus on Luzon--indicates that this genus might have once lived throughout the Philippines, most of which is an oceanic archipelago, never connected to any continental land mass. "Documenting past mammal diversity in the Philippines...

Fish species plays surprise role in aiding coral reef recovery

...dy provides insight into the poorly understood—and potentially complex—forces that influence the state of coral r...e rare species in the recovery of coral reefs, and potentially contribute to the identification and future protection of species groups that underlie the resilienc...

Bitter taste identifies poisons in foods

...ter taste evolved as a defense mechanism to detect potentially harmful toxins in plants. The Current Biology pap...n detect glucosinolates, a class of compounds with potentially harmful physiological actions, in natural foods. "The findings show that our taste receptors are ...

Proteins anchor memories in our brain

... in the thymus, then there is a better chance that potentially destructive insulin-specific T cells will encounter insulin as self and be filtered out." In the thymus, immature T cells display on their surface many thousands of unique receptors, generated by random gene rearrangements. This strategy allows t...

Autoimmune disease triggered if T cells miss a single protein early on

... in the thymus, then there is a better chance that potentially destructive insulin-specific T cells will encounter insulin as self and be filtered out." In the thymus, immature T cells display on their surface many thousands of unique receptors, generated by random gene rearrangements. This strategy allows t...

Mars mission Risk 29: Scientists research ways to reduce radiation-induced brain damage

...it could unravel the biomechanics of brain damage, potentially benefiting patients with degenerative neurological conditions like Alzheimer's disease. "This research may not only help make it safer to go to Mars, it could lead us to a deeper understanding of how the brain functions," said one of the principal ...

Highly concentrated botulinum preparation for cosmetic injections can result in severe illness

...injection if disseminated evenly. "Botulism is a potentially fatal disease, which invariably presents with acute bilateral cranial neuropathies, regardless of exposure mechanism. Early recognition of botulism, treatment in an intensive care setting, provision of mechanical ventilation when indicated, and rapid...

History-hunting geneticists can still follow familiar trail

...aid. "If this approach were not credible, it could potentially have a bearing on future policy decisions, as well as affect literally hundreds of previous studies on humans and other mammals." UF Genetics Institute scientists analyzed publicly available mtDNA datasets of 47 species of mammals -- a subset of t...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

... sensor caused the baby's heart rate to slow down, potentially jeopardizing the ability to provide sufficient blood and oxygen to the tissues. The researchers theorized that such drops in heart rate might have been caused by inadvertent pressure on the umbilical cord when inserting the sensor, or because of man...

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