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Tag: "say" at biology news

Gene Therapy For Parkinson's Disease Moves Forward In Animals

... show complete recovery in their paws. Researchers say not only did the rats recover substantial degrees of function in their impaired forelimbs, continuous levels of L-dopa were being produced in their brains, blocking side effects. ...

Researchers trace evolution to relatively simple genetic changes

..." Ordinarily, "you wouldn't look at that gene and say it's an obvious candidate for dramatically changing skeletal structures in wild animals that end up completely viable and healthy,' he said. "Eda gene mutations cause a disease in humans, but not in the fish. So this is the first time mutations have ...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

..." Ordinarily, "you wouldn't look at that gene and say it's an obvious candidate for dramatically changing skeletal structures in wild animals that end up completely viable and healthy,' he said. "Eda gene mutations cause a disease in humans, but not in the fish. So this is the first time mutations have ...

HIV Infection Still On The Rise

...the United Kingdom seems both small and parochial, say the authors. Nevertheless, the latest figures show a 20% increase in the prevalence of HIV in 2003 and 2004 compared with 2002, partly because of infections acquired abroad. Furthermore, each newly diagnosed HIV patient consumes £12,500 in healthcar...

Simple drug has the potential to save many lives threatened by malaria

...ch hospital, has the potential to save many lives, say researchers in this week's BMJ. Every year over a... is not available. These are encouraging results, say experts in an accompanying editorial. Although a single trial of this size cannot alone be the basis...

Bird Brains Show How Trial and Error May Contribute to Learning

...ent notes. Neurobiologists studying the finch now say the improvisation arises from a component of a crucial learning circuit in a section of the forebrain that seems to generate the trial and error necessary to master sophisticated motor skills, such as singing in birds or speech and sports in humans. ...

Examination of internal 'wiring' of yeast, worm, and fly reveals conserved circuits

...g interaction." Systems biologists such as Ideker say their ultimate goal is a comprehensive computer model of how cells work. A description of all protein-interaction circuits would make such a model possible. "We'd like to simulate diseased cell types, such as cancer cells, and then simulate the effec...

Falling ants glide back to trunk to avoid dangers of forest floor

...as it sounds ?snakes. Now, add ants to that list, say biologists at the University of California, Berkel...imitive ants. "This discovery doesn't necessarily say something about the evolution of flight in terms of insect lineages, but it does give us good inform...

Family trees of ancient bacteria reveal evolutionary moves

...ercent of what it is today. There were three ?some say four ?global glaciations, and the fossil record reflects a major shift in the number of organisms metabolizing sulfur and a major shift in carbon cycling. "The question is: Why?" said Blank. "My contribution is the attempt to find evolutionary expla...

Gene therapy for Parkinson's disease moves forward in animals

... show complete recovery in their paws. Researchers say not only did the rats recover substantial degrees of function in their impaired forelimbs, continuous levels of L-dopa were being produced in their brains, blocking side effects. ...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...ence some improvement in visual function, we can't say for sure how these patients will respond to this new treatment since this is still an experimental trial. If this study and future studies show safety and efficacy of the chip and it's approved by the FDA, it could be as soon as three to five years t...

Chemists identify key gene in development of type 1 diabetes

Chemists say they have identified a gene that appears to play a...rldwide. They described their findings, which they say could lead to new drug interventions and possibly gene therapy, today at the 229th national meeting ...

Towards precise classification of cancers based on robust gene functional expression profiles

Chemists say they have identified a gene that appears to play a...rldwide. They described their findings, which they say could lead to new drug interventions and possibly gene therapy, today at the 229th national meeting ...

Ophthalmologists implant five patients with artificial silicon retina microchip

...ence some improvement in visual function, we can't say for sure how these patients will respond to this new treatment since this is still an experimental trial. If this study and future studies show safety and efficacy of the chip and it's approved by the FDA, it could be as soon as three to five years t...

Cricket's finicky mating behavior boosts biodiversity

...ting the formation of new species. The scientists say their findings shed light on the role of individua...t and youngest island in the Hawaiian archipelago, say the two scientists. Some 38 different species of the cricket now inhabit the island chain. Among al...

Wisconsin researchers identify sleep gene

... periods of deep, non-REM sleep." The researchers say that the fly research translates to humans even more than they thought it would. "Humans have the same kind of genes and potassium channels. And we know that slow waves must be generated by changes in the excitability of neuron cell membranes," Cirel...

Norovirus, AIDS vaccine and Hepatitis Virus

...tates citizens returning from Mexico and Guatamala say researchers from the U.S., Guatemala, Mexico and S...TD during extended stays in developing countries," say the researchers. The high frequency of NoV infection among TD cases examined in this study suggests ...

Great White shark evolution debate involves WSU Lake Campus geology professor

...h the mako shark. "Most scientists would probably say the Great Whites evolved from the megladon line, which existed from two million to twenty million years ago. They were huge sharks, approximately the length of a Greyhound bus and possessing teeth that were up to six inches long," explains Ciampaglio...

Low level of extinction during ice age linked to adaptability

...uld be relatively immune. Though it's difficult to say exactly what the implications are for the world we live in, what I can say is that it is worrisome." Powell looked at extinctions during an age when glaciers reached to withi...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

...ing serious deformities in birds. The researchers say cleaning up the sediment in the San Luis Drain cou...ashing, excavation and reburial. In contrast, they say that using plants to remove contaminants ? a process called phytoremediation -- provides one of the ...

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