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Tag: "alert" at biology news

Misusing vitamin to foil drug test may be toxic; plus, it doesn't work

...sts, Dr. Mittal said. "We hope that our study will alert emergency medicine physicians and other health care providers to this hazardous practice." ...

Anxiety disorders surprisingly common yet often untreated

...he effectiveness of a new screening tool which can alert busy primary care physicians to those patients with one or more anxiety disorders. The study is published in the March 6 issue of the Annals of Internal Medicine. The GAD-7, a seven-question, self-administered screening tool, identifies patients wi...

Insomnia drug can improve brain function

...kinetic mutism, a condition in which the person is alert but cannot speak or move. The patient was able to communicate, walk, and eat without assistance after receiving the drug for a bout of insomnia. The study was published in the March 2007 issue of Annals of Neurology ( http://www.interscience.wiley.co...

Quitting smoking reduces risk of lung cancer mortality by 70 percent

... numbers of lives to be saved through campaigns to alert current smokers to the dangers of their habit." Dr Huxley added. "Effective action in Asia would help to head off a significant part of the projected one billion deaths from smoking that will otherwise occur around the world this century," she sai...

Widely used hepatitis B drug spurs HIV drug resistance

...entecavir under the brand name Baraclude. "The alert should go out to co-infected people to consult with their physicians immediately about entecavir to see if it is the right drug to treat their hepatitis B in the first place and to evaluate alternative therapies," says Thio, an associate professor of...

Special chip provides better picture of salmon health

...tify changes in the activity of these genes and so alert us to any potential problems. It is too early to tell whether this chip will be a commercial success, but it certainly has the potential to be extremely useful to industry," Professor Teale said. Professor Julia Goodfellow, BBSRC Chief Executive, ...

Cardiologist's 'living chip' changes science of disease monitoring

... change triggers a message to a wireless device to alert the patient early on about a problem. The patient can then contact their physician. For a patient with heart failure, for example, the biosensor could detect a change in blood protein levels at an early stage, prompting the physician to alter medic...

Singing for survival

... and conspicuous songs in response to predators to alert kin, both near and far ?since gibbons frequently change group compositions, neighbouring groups often consist of close relatives. We found that gibbons appear to use loud 'long-distance' calls to warn relatives in neighbouring areas and that those gr...

Why we could all do with a siesta

...ncovered how brain cells or 'neurons' that keep us alert become turned off after we eat. The findings ?published in the scientific journal Neuron this week ?have implications for treating obesity and eating disorders as well as understanding levels of consciousness. "It has been known for a while that pe...

Failure of 'scout cells' may lead to cancer in transplant patients

...ect the presence of viruses and other invaders and alert the immune system to the infection. Memory T cells...ody. If the infection flares up again, scout cells alert the memory T cells, which rapidly proliferate and hunt down and kill any cells that contain growing ...

New GI technologies improve internal organ visualization

...cale assesses the patient's level of sedation from alert to only responding to a painful stimulus, and the ARM is a handheld device that the patient squeezes on command from a voice from an earpiece in the patient's ear. This response helps determine the level of sedation. All procedures were completed s...

Ritalin packs punch by elevating norepinephrine, suppressing nerve signal transmissions

...ADHD and use the drug to postpone fatigue and stay alert and focused while studying for exams or completing projects, Waterhouse said. ...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

...he alarm about the intruder. "The dendritic cells alert the T cells that there is something foreign entering the body," von Andrian explained. "They tell the T cells what to do, how to respond. We have known about some aspects of this process from tissue culture studies, but this has never been observed b...

Newly discovered killer cell fights cancer

...r cancer cells - both of which carry antigens that alert the immune system - may encounter is a natural killer (NK) cell. As its name implies, NK cells deliver a deadly blow by poking holes in the invader's outer membrane. Then, NK cells secrete molecules that reach other immune cells, including dendriti...

Loosen leash on cancer protein 'watchdog,' researchers say

...e found a way to keep a protein "watchdog" on high alert to stop hereditary cancers from overrunning our bodies - if they can keep it on a leash of just the right length. In a collaborative effort, a team of scientists including Purdue University's Susan M. Mendrysa has found that one of the proteins foun...

Researchers reveal lung's unique innate immune system

...esponse throughout the body, cells normally on the alert for invaders to kill. Alveolar macrophages are unique among macrophages in the body, because their activation is inhibited by TGFb, a compound expressed in the lung by epithelial cells. "Because the microenvironment of the alveola is a delicate one...

Wisconsin scientists find a way to make human collagen in the lab

...to create sensors that might, for example, quickly alert a diabetic to falling insulin levels. Similarly, equipped with molecules to recognize specific pathogens, such a sensor could stand perpetual guard in the body and provide instant warning of invading viruses or bacteria. "We can have total control o...

Mayo Clinic collaboration discovers protein amplifies DNA injury signals

...y. Knowing how the cell communicates DNA injury to alert the repair system is an important first step to designing new therapies for cancers and other diseases. Background Biology The damage control process is continual and essential to health. DNA must repair itself so the instructions it gives to ope...

Nanotechnology may find disease before it starts

...s colleagues foresee a day when nanotechnology can alert a physician to the beginnings of cancer or heart d...particles and the resulting ultrasound image would alert the doctor to any suspicious areas in the tissue, even at the cellular level," Rosol said. The hope...

Malaria parasites develop in lymph nodes

...e body's immune response, he explained. They might alert the body that an invader is present and activate a protective immune response. On the other hand, their presence in the lymph nodes might desensitize the body to the parasites, blunting the immune system's response to liver and blood-cell infection. ...

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