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Tag: "extension" at biology news

U-M researchers discover gene switched off in cancer can be turned on

...gene that’s turned off. But it’s a straightforward extension of current therapies that target genes that are turned on,” says lead study author David Reisman, M.D., Ph.D., assistant professor of internal medicine at the U-M Medical School. Results of the study appear in the advanced online publication of th...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

...otographic Man (VIP-Man). This virtual model is an extension of Xu's ongoing project involving the 3-D VIP-Man, which is an advanced computer model that simulates in 3-D how radiation affects the organs and tissues in the human body. "Live patients are not static beings, and a moving organ such as the lung ...

Sunshine pill for prostate cancer in 2009

...tage of the disease survive about 18 months, so an extension of 9 months would be very significant in my view,' says James. Asentar provides levels of vitamin D 50-100 times higher than normal. Patients would be expected to take one tablet once a week with their weekly regime of taxotere for three weeks ou...

Conceptualizing a cyborg

...vous tissue already coupled to electrodes. Like an extension cord, of sorts, the non-electrode end of the lab-grown nervous tissue could integrate with a patient's nerve, relaying the signals to and from the electrode side, in turn connected to an electronic device. This system may one day be able to ret...

Motor protein plays key role in connecting neurons

... netrin-1, a guidance cue for helping the arm-like extension of the cell, called the axon, grow in the right direction. Cells eventually communicate through synapses at the end of these cellular projections. "During early development, axons need to grow, they need to find a target, they need to decide how l...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...s that activate Sir2, an enzyme linked to lifespan extension in yeast and other lower organisms. For the last 70 years, scientists have been able to increase the lifespan of a variety of species by reducing their normal food consumption by 30 to 40 percent - a diet known as calorie restriction. Through this r...

Growth factor stimulates rapid extension of key motor neurons in brain

...e survival of many types of cells stimulates rapid extension of corticospinal motor neurons ?critical brain cells that connect the cerebral cortex with the spinal cord and that die in motor neuron diseases like amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease). In the November 2006 issue of Nature N...

Record ozone loss during 2006 over South Pole

...quare km, nearly as large as the record ozone hole extension during 2000, and the depth of the ozone hole is around 100 Dobson Units, rivalling the record low ozone values in 1998. This year's record ozone loss was reached because these two measurements occurred during the same time period. (A Dobson unit is a...

Telemedicine robots help improve health

...s Hospital Foundation. The robot project is an extension of the telepaediatric research led by the Centre for Online Health, in collaboration with the Royal Children's Hospital in Brisbane. An earlier model robot, known as Roy, is already a successful addition to the children's ward at the Gladstone Di...

Detecting explosives with honeybees

... the bees' natural reaction to nectar, a proboscis extension reflex (sticking out their tongue), could be used ...e a positive detection response, via the proboscis extension reflex, when they were exposed to vapors from TNT, C4, TATP explosives and propellants. Accordin...

UGA scientists unravel 'molecular inch-worm' structure of walking-pneumonia bacterium

...e described in new, precise detail the unique cell extension that forms on one end of the bacterium Mycoplasma pneumoniae. This structure, called a "terminal organelle," performs several tasks for this pervasive bacterium and even acts as a "molecular inch-worm," helping the microorganism move. "Mycoplasmas ...

Biotech cotton provides same yield with fewer pesticides

...of her master's research at UA. Cattaneo is now an extension entomologist at Texas A&M University in College Station. The multidisciplinary team will publish their research in an upcoming issue of the Proceedings of the National Academy of Sciences. A complete list of authors is at the end of this relea...

New angiogenesis finding may help fight cancer growth

...and during angiogenesis, they migrate, starting an extension of the blood-vessel network. When Paul added NK-B to endothelial cells, "They lost the capacity to organize in three dimensions, to form the tubes that are the precursors to new blood vessels," Bresnick says. "Then we got excited." Further tests s...

Gut microbes' partnership helps body extract energy from food, store it as fat

...ject. "We believe that this project is a logical extension of the human genome project ?one designed to define the microbial side of ourselves," Gordon says. "This project should help answer a number of fundamental questions, including: How different are our individual gut microbiomes? How are our gut microb...

Tramiprosate (Alzhemed? preclinical results published in Neurobiology of Aging

...o receive tramiprosate (Alzhemed? in an open-label extension study. Neurochem is also actively advancing an 18-month Phase III clinical trial for tramiprosate (Alzhemed? in Europe, which was initiated in September 2005. The ongoing European Phase III clinical trial, an international, multi-center, randomized...

Resveratrol prolongs lifespan and delays onset of aging-related traits in a short-lived vertebrate

...o be the first molecule to consistently cause life extension across very different animal groups such as worms, insects, and fish, and it could become the starting molecule for the design drugs for the prevention of human aging-related diseases. ...

Protein 'nanosprings' most resilient found in nature

...olecules before they were completely unfolded, the extension was fully and immediately reversible. The ankyrin repeats showed no sign of wear after multiple stretch-relaxation cycles over a large range of applied forces, the team found. When extended past their breaking points, the molecules exhibited a saw-t...

Some good news for the world's poor

...partners in the national agricultural research and extension systems of Asia's rice-producing nations. Providing further evidence is an independent study of the impact of improved rice varieties and other crops over the past 40 years that showed they have significantly reduced prices for poor consumers, saved...

Penicillin, amoxicillin: Step aside for strep throat treatment

...that once were formidable. The new results are an extension of a report last year in Pediatrics by Pichichero and Casey, who is clinical associate professor of pediatrics at Golisano Children's Hospital at Strong. There they reported the waning effectiveness of penicillin and amoxicillin. This week they prese...

Biotech cotton 8: Bugs 0

...ed University Outreach Professor of Entomology and extension specialist and a member of BIO5, and Yves Carriere, UA associate professor of entomology, will publish their research in an upcoming issue of the Proceedings of the National Academy of Sciences. Bt cotton has been planted in Arizona since 1996. Now ...

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