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Tag: "monitored" at biology news

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

...hanism of this virus can be finely manipulated and monitored in the lab, allowing for an exquisite level of control of the whole process," said Young. "This allows us to do things that are not possible with other systems." The next stage is for researchers to confirm that other viruses such as HIV also have a...

Hunt for human genes involved in cell division under way

...ll be suppressed and their impact on cell division monitored by live cell microscopy to understand each gene's role in cell division. "To our knowledge, we are the first group to take on this systematic search through the genome in live cells. We will use the most potent RNAi reagent for this study, which is ...

Forsyth scientists find three bacteria associated with oral cancer

...ecently reported approach in which saliva would be monitored for evidence of altered genetic activity in oral tissues. Background The current paper, "The Salivary Microbiota as a Diagnostic Indicator of Oral Cancer," reports on a study, begun in 2000, in which the scientists compared bacterial samples from th...

Firefly protein lets researchers monitor molecule linked to cancer

...he case of NF-KappaB, there were also methods that monitored IKK activity via changes in the levels of gene activation at the end of the pathway," he notes. "But those took hours to days to deliver results, and our approach works continuously and in real time." In their study, Gross and Piwnica-Worms tested th...

DDT-resistant insects have additional genetic advantage that helps resistance spread

...resistant and susceptible strains, the researchers monitored the survival and development rate of all life stages of their offspring. They found that DDT resistance in fruit flies not only carries no cost but in fact confers an advantage when inherited through the female. This discovery comes at a time when ...

UW scientists report a new method to speed bird flu vaccine production

..., such as the H5N1 or "bird flu" viruses now being monitored by scientists, any efficiency in the manufacture of vaccines will be important. The method devised by Kawaoka and his colleagues reduces the number of plasmids required to introduce viral genes into the monkey kidney cell lines used to mass produce ...

Tiny roundworm's telomeres help scientists to tease apart different types of aging

... without any effect on their lifespan. When Raices monitored telomere length over the full lifespan of worms and under stress, a situation reported recently at another laboratory to shorten telomeres in humans, she found absolutely no change. "For successful aging you have to control both, aging in your divid...

Does manganese inhaled from the shower represent a public health threat?

... showering 10 minutes a day. Because manganese is monitored in public water supplies, high levels of this naturally occurring metal are especially found in wells and private water supplies. Spangler and Robert Elsner, Ph.D., published their findings in the current issue of Medical Hypotheses, a forum for ide...

What Makes The Brain Tick, Tick, Tick: Researchers Gaining New Insights Into Brain's Internal Clock

... its own resonance, and all these oscillations are monitored and integrated by the basal ganglia or striatal circuits. It's like a conductor who listens to the orchestra, which is composed of individual musicians. Then, with the beat of his baton, the conductor synchronizes the orchestra so that listeners hear...

NCAR analysis shows widespread pollution from 2004 wildfires

..., in the presence of sunlight. Both pollutants are monitored by the Environmental Protection Agency. However, scientists have been unable to precisely determine regional emissions of carbon monoxide or the extent to which human and natural activities contribute to atmospheric concentrations of the gas. Wildfi...

An essential regulator of body weight revealed

...ce they'd eliminated those neurons, the scientists monitored precisely how much the animals ate by keeping them in a cage equipped with a device that measures each time a mouse licks the bottle containing its liquid diet. The effects of eliminating NPY/AgRP neurons in adult mice were dramatic. After treatment ...

New cell transplantation technique restores insulin production in diabetics

...s. Liver function tests and blood cell counts were monitored carefully during this time. In the future, Dr. Krishnamoorthy looks toward the potential use of stem cells for this purpose, and also the development of better immunosuppressive medications to keep the body from rejecting the transplanted islet cell...

PLoS Medicine publishes first trial of effect of male circumcision on HIV infection

...rosexual men the chance to be circumcised and then monitored for HIV infection. The participants (3,274 men) were randomly allocated to two different groups--one group was immediately circumcised and the other group was to remain uncircumcised until after the completion of the trial 21 months later. The circum...

Chernobyl: The true scale of the accident

...ystems affected by Chernobyl have been studied and monitored extensively for the past two decades. Major releases of radionuclides continued for ten days and contaminated more than 200,000 square kilometers of Europe. The extent of deposition varied depending on whether it was raining when contaminated air mas...

Past illegal blood donation in China linked to hepatitis C virus infection

... banking methods in such settings still need to be monitored and improved, the article noted. Researchers from the United States and China, including Han-zhu Qian, MD, PhD, of the University of Alabama at Birmingham, conducted a survey in 2003 among a random sample of 538 adult residents from 12 former commer...

Research Permits First-Ever Visualization of Psychological Stress in the Human Brain

...ly tackle challenging mental exercises while being monitored for performance. During the fMRI scans, the researchers also recorded subjects' emotional responses -- such as stress, anxiety, and frustration -- and measured the corresponding changes in stress hormone and heart rate. Many subjects described themse...

Tsunami + 1 year: Reviving exhausted fisheries should trump replacing boats, gear, experts say

...stration system to ensure that fishing capacity is monitored and controlled appropriately; Based on available science, establish a ceiling on the overall number of vessels that can operate in each region, with maximum numbers set for each category of vessel based on their catching power. Enforce, through fis...

Clinical trial to test stem cell approach for children with brain injury

... injury, Cox said. The children will be carefully monitored throughout for possible side effects. They will be evaluated for brain function one month and six months after the procedure to see if it is improved compared with historical data on the brain function of children of similar age who suffered a simil...

Software might revolutionize glucose monitoring in critically ill patients

...easurements on paper. A total of 179 patients were monitored using GRIP and 22nurses filled in a questionnaire about the program. Vogelzang et al.'s results show that 61% of the patients had theright glucose levels more than 75% of the time that they weremonitored by GRIP. Only one patient suffered from very...

Wild birds help to create human flu vaccine

...xample of how the threat of avian influenza can be monitored and countered ," said Joseph Domenech, F.A.O.'s Chief Veterinary Officer. "Effective teamwork on all levels is our best defense against this potential pandemic." The multidisciplinary, collaborative response to this latest outbreak reflects the WCS...

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