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Tag: "under" at biology news

RNA enzyme structure offers a glimpse into the origins of life

...tried dozens of different versions of the ribozyme under different conditions before he succeeded. Using x-ray crystallography--which involves shining a beam of x-rays through the crystals and analyzing the resulting diffraction patterns--Robertson and Scott were then able to determine the three-dimensiona...

Bats prey on nocturnally migrating songbirds

...tigation led by young scientist Ana Popa-Lisseanu, under Prof. Ibañez' supervision, was launched by Spanish research teams based in Sevilla (Doñana Biological Station) and Granada (Zaidín Experimental Station) thanks to funding from the Spanish Environmental Ministry. The programme was soon joined by one o...

Natural gut hormone offers hope for new obesity drug

...g to tackle obesity, one of three inaugural awards under the Wellcome Trust's Seeding Drug Discovery initiative. The drug is being developed by one of the world's leading obesity experts, Professor Steve Bloom at Imperial College London's Hammersmith Hospital campus. "Over 30,000 deaths a year are caused...

Lost dogs found more often than lost cats, study suggests

...they went missing. Microchips, which are implanted under the skin, provide permanent identification about where a pet belongs. Cat owners aren't required to identify their pet, and 19 percent of lost cats had a tag or microchip at the time they were lost. More than half of the cats returned on their own,...

New antibacterials being developed to tackle MRSA superbug

...ne that kills the superbug MRSA is being developed under a new scheme launched by the Wellcome Trust. The S...nity." The compounds being developed by Prolysis under the award from the Wellcome Trust block the ability of the MRSA bacteria to divide and multiply. The...

HIV protein enlisted to help kill cancer cells

...ncer-killing power of TAT-Bim and similar proteins under development, Hawkins and his colleagues are working on a technique that will concentrate them within tumors while sparing healthy cells. In collaboration with Robert H. Mach, Ph.D. professor of radiology, they are linking the anticancer proteins to t...

Producing medicines in plant seeds

...stance. Bart Van Droogenbroeck and his colleagues, under the direction of Ann Depicker, are now showing that it is also possible to produce more complex antibody variants in large quantities in the seeds of the Arabidopsis plant. Over 10% of the proteins in the seeds of these plants are the desired antibod...

Researchers discover surprising drug that blocks malaria

...d 2 million people a year, mostly African children under five. It also poses a risk to travelers. An estimated 500 million cases of malaria were expected in 2006. Commonly used drugs against malaria attack the parasite, but it rapidly changes its molecular structure to become resistant to those drugs. I...

Old dinosaur research leads to new honor

...LA, he began research at the University of Toronto under an NSERC grant. He has remained at the university, continually funded by NSERC, ever since. His research has spanned several countries, including Russia, Germany, the United States and Canada. His most recent discovery ?finding 190-million-year-ol...

Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent

... address this abuse and bring the tobacco industry under the rules that regulate other manufacturers of drugs." Beginning in 1997, Massachusetts regulations have required an annual report to be filed with the MDPH by all manufacturers of cigarettes sold in Massachusetts. The reported data include machin...

Health Canada approves cold and flu medicine

...t company in Canada to launch and complete a trial under the new regulations. These regulations are being phased in over a six-year period as the NHPD reviews supporting safety, efficacy and quality information for all natural health products. Although there are grey areas between the definitions of dru...

RNAi shows promise in gene therapy, Stanford researcher says

...ce. With three human RNAi gene therapy trials now under way - two in macular degeneration and one in RSV pneumonia - the technique Kay pioneered may be among the first to find widespread use for treating human diseases. "We've worked on a gene therapeutic approach against viral hepatitis for about 10 ...

Antibody signal may redirect inflammation to fuel cancer

...on to slow this cancer process using drugs already under study for severe immune disorders." Coussens envisions a therapeutic strategy similar to treating people with HIV. The goal would not be to necessarily eliminate every last cancer cell, but to control the inflammation process needed for the cancer...

Statin plus cancer drug deliver combo punch to brain cancer cells

...its cholesterol-clogging effects, lovastatin, sold under the trade name Mevacor, is known to curb destruction of proteins that put the brakes on cell growth, causing cancer cells to self-destruct through a process called apoptosis. The effects of the statin already is being studied in people at high risk...

Resistance to anti-HIV drugs in Uganda developed due to drug supply problems

...rsity, Kampala, Uganda. The study followed just under 100 patients who self paid for generic fixed-dose antiretroviral formulations. Findings showed that medications were very effective at suppressing the virus, with full viral suppression in over 80 percent of people on treatment for 6 months. Resistan...

New test for most virulent HPV strains under study

...lomavirus responsible for most cervical cancers is under study. The molecular assay uses a cervical scrap...commend HPV testing in all women over 30. Women under 30 are another matter. Ages 15 to 25 are peak sexual activity years and peak years for HPV infectio...

Twenty of world's 162 grouper species threatened with extinction

...e listed by the World Conservation Union (IUCN) as under extinction threat, and the new assessment proposes...estern Atlantic Ocean, now is listed as Endangered under the U.S. Endangered Species Act and has virtually disappeared from most Caribbean reefs....

Neural bottleneck found that thwarts multi-tasking

... environment, such as flying a plane, and find out under what circumstances these tasks may be less vulnerable to dual-task interference," Dux added. For the record, neither Marois nor Dux use their cell phones while driving. "I'm Australian, and it's illegal there, so I'm trained not to," Dux said. ...

Bumblebee house warming -- it takes a village

...nning, or cooling, performed by individual workers under four temperature conditions ?cold, moderate, warm and hot. Temperatures ranged from 10.3 to 38.6 degrees Celsius (about 50 to 101 degrees Fahrenheit). The study focused more on incubation than fanning because the researchers did not want to raise...

Key found to kill cystic fibrosis superbug

...ug, Burkholderia cenocepacia. These investigators, under the leadership of Dr. Miguel Valvano, Department of Microbiology and Immunology, have had their research published in the May issue of the Journal of Bacteriology, and highlighted in Nature Reviews/Microbiology. B. cenocepacia is a multi-drug resis...

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