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Tag: "delaying" at biology news

The quest for an effective HIV vaccine presents new possibilities, challenges

...ection, may reduce HIV levels in the body, thereby delaying the progression to AIDS and the need to start antiretroviral drugs. These vaccines may also reduce the chance that a person infected with HIV would pass the virus on to other people, according to NIAID Director Anthony S. Fauci, M.D., and Margaret I....

Some caterpillers just don't want to grow up

... why so many caterpillars waste one year's time by delaying their development. From all what we know, which de...fully explain the large proportion of caterpillars delaying development. Based on a simple model expansion, the scientists predict that added benefits achieved ...

New test helps identify hepatitis C patients at high risk of developing cirrhosis

...rapy, while low-risk patients might be better off delaying treatment. "Management of cirrhosis patients is challenging," said Ramsey Cheung, MD, associate professor of medicine at the school and chief of hepatology at the Palo Alto Veterans Affairs Health Care System, who led the Stanford arm of the st...

Air travel and pandemic flu

...ffected cities would be effective at significantly delaying worldwide spread only if almost all travel between cities could be stopped almost as soon as an outbreak was detected in each city. It would be more effective to take other measures that would control the spread of the virus locally. These measures c...

How the US drug safety system should be changed

...e of "blockbuster" drugs; the current trend toward delaying drug approval; and public misunderstanding about the safety of drugs. Strom proposes an alternative approach with three elements: conditional approval, an empowered US Food and Drug Administration (FDA), and a complementary nongovernmental organiza...

Gene therapy injected into the brains' of mice with Huntington's disease

...lly be stopping the disease process in its tracks, delaying symptoms from ever showing up." Huntington's disease is an inherited degenerative disease that progressively robs patients of the ability to think, judge appropriately, control their emotions and perform coordinated tasks. HD typically begins in mid...

Salk and Stanford teams join forces to reveal two paths of neurodegeneration

...after injury and has been shown to be effective in delaying degeneration not just after injury, but in diseases similar to Parkinson's disease or motor neuron injury," he explains. Luo and O'Leary believe that the conservation of the differences in axon degeneration between developmental pruning and injury f...

HIV decline in Zimbabwe linked to behavioural change

... groups, which the researchers attribute to people delaying when they first have sex and having fewer casual partners. They found HIV prevalence fell most steeply at young ages, with a drop in prevalence of 49 percent for women aged between 15 and 24, and a 23 percent drop in men aged 17 to 29. In 2003 Zim...

Gene variation increases SIDS risk in African Americans

...utant sodium ion channels tended to pop back open, delaying the cells' recovery after a burst of activity. In the heart, changes like this are known to increase the risk for abnormal rhythms and sudden death. Fortunately, a drug called mexiletine, used to treat patients with arrhythmias, blocks late re-open...

Uncovering sex-change secrets of black sea bass

... made progress, determining optimal sex ratios and delaying sex reversal by controlling density," he notes. "We've already made strides toward making black sea bass aquaculture possible." ...

Alzheimer's found to be mostly genetic

...with twins, Gatz identified possible preventive or delaying factors, such as a low incidence of inflammatory disease or a work environment with a high degree of human interaction. The sample for the study consisted of all participants in the Swedish Twin Registry aged 65 or older in 1998 - the year the study...

Weizmann Institute suggests that immune cells help to maintain cognition and brain cell renewal

...up with new findings that may have implications in delaying and slowing down cognitive deterioration in old age. The basis for these developments is Schwartz's team's observations, published today in the February issue of Nature Neuroscience, that immune cells contribute to maintaining the brain's ability to ...

Gene patterns in white blood cells quickly diagnose disease

...ferate to detectable and dangerous levels, thereby delaying diagnosis and treatment," says Rasha Hammamieh, a researcher on the study. Over the past five years Hammamieh and her colleagues have been studying the host response to BTAs. Upon exposure to a BTA host cells initiate a unique response, turning s...

Natural compound from 'pond scum' shows potential activity against Alzheimer's

...h cholinesterase inhibitors have shown promise for delaying or preventing the symptoms of mild to moderate forms of the disease, experts say. The newly isolated compound, nostocarboline, was shown to be a potent inhibitor of cholinesterase -- a brain chemical thought to be important for memory and thinking --...

Asymptomatic HIV babies could use earlier treatment

...what it is—makes a big difference in preventing or delaying the progression of the disease,?said Maldonado. “Now we have to move forward to figure out if this treatment is going to be appropriate for everyone.?/p> Clinical trials are needed to determine if every infected newborn should be treated or if so...

Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment

...ancer. In addition, the hormone treatments require delaying the start of cancer therapy, which may not be an option for every patient. Guidelines for patients and physicians still need to be established as the technique begins to be offered in a clinic setting, Smith says. "This is a very new technology and ...

Silence the gene, save the cell: RNA interference as promising therapy for ALS

... amytrophic lateral sclerosis (ALS), substantially delaying both the onset and the progression rate of the fatal motor neuron disease. Their results will be published in the April issue of Nature Medicine, and in the journal's advanced online publication March 13. In addition to silencing the mutated gene th...

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