Tag: "regeneration" at biology news

Healing power in a gene

...with liver cells lacking the FoxM1B gene. Rates of regeneration were measured in these mice and in mice whose FoxM1B gene was intact. Without FoxM1B, regeneration was slow. Cell division requires two basic steps: first a doubling of DNA, the genetic instructions ...

Acorda therapeutics receives NIH Phase 2 grant for central nervous system repair

...ping protein- and stem cell-based technologies for regeneration and repair of the spinal cord and brain. In 2002, Acorda was the recipient of the National Spinal Cord Injury Association's L. W. Freeman Award for scientific research....

Zebrafish may point the way to mending a broken heart

...d their studies suggest that understanding cardiac regeneration in this fish may lead to specific strategies to re...arring in response to cardiac injury, with minimal regeneration of heart muscle. In an article published in the December 13, 2002, issue of the journal Science , H...

Children's Hospital Boston researchers regenerate zebrafish heart muscle

...ntified a possible genetic and molecular model for regeneration in zebrafish that could help direct further resear...his finding points to the study of zebrafish heart regeneration as a means to understand and reduce cardiac injury in humans. When a human heart is injured, it cann...

Mighty mice are less susceptible to muscular dystrophy gene's effects

...scientists hope to unravel the mechanism of muscle regeneration in mice with and without myostatin, possibly revealing even better targets for improving the process. They also plan to use special genetic manipulations to turn off the myostatin gene in adult mice, rather than at conception, to see if losing myosta...

Acorda Therapeutics acquires CeNeS neuregulin products

...ping protein- and stem cell-based technologies for regeneration and repair of the spinal cord and brain. For further information please visit www.acorda.com . About CeNeS CeNeS is a biopharmaceutical company specialising in the development and commercialisation of drugs for CNS disorders and pain control. Th...

Acorda Therapeutics receives L.W. Freeman Award for Scientific Research

...award is given annually for pioneering research on regeneration in spinal cord injury or disease and was establish...ping protein- and stem cell-based technologies for regeneration and repair of the spinal cord and brain....

Your brain is teaching your nose new tricks, say UC Berkeley researchers

...activity in damaged regions of the body results in regeneration in the brain. For example, in stroke patients, tying down the unaffected limbs to force patients to try use their affected arms or legs has resulted in recovery of some use of those limbs. The researchers conducted their work through a very simple m...

Alzheimer's, nutrition, smallpox, and other 'Human Health Frontiers' addressed by AAAS speakers

... results in spinalinjuries come from a spontaneous regeneration or from a placebo effect." Under current federal law, the United States will have a struggle to maintain its leadership role in the field of stem cell research. "It will put us at a significant disadvantage," said Mark Frankel, director of theAAAS Pr...

Chestnuts used chemicals to dominate southern Appalachian forests

... on moist sites, where it interferes with hardwood regeneration and threatens the diversity of cove forests. "Our results suggest that chestnut may have had a controlling effect on rhododendron germination and growth in the past," said Clinton, "and that the rapid encroachment of this shrub in the 20th century m...

New insights into cause of stomach cancer

...ging needs of the immune system and the repair and regeneration of tissues. Ernst and Giraud were curious to find out what would happen when the two pathways were no longer activated simultaneously and in a coordinated fashion by mutating particular regions of the gp130 molecule. Dr Ernst and his team at the L...

Neural signal that helps wire up brains movement circuit identified

...process may have important implications for neural regeneration following spinal injury," said Dr Salinas....

Loblolly pine open for genetic engineering, research shows

...re universal way to transform plants because plant regeneration is simplified. In addition, the callus method does... pines using the meristem-based method resulted in regeneration and survival of 10 percent to 30 percent of the shoots inoculated. And not only did the trees surviv...

Ecology and conservation of fragmented tropical forests

...ivity on species survival, community richness, and regeneration processes in the Atlantic forest of Brazil. Detailed surveys of trees, vertebrates, and butterflies showed fragmentation affected species richness and diversity for all study groups, and also affected important ecological processes, but some of these...

Researchers produce motor neurons from embryonic stem cells

...neurons from stem cells. Such neurons could enable regeneration of nerve tissue lost to disease or trauma. The experiments by researchers led by Howard Hughes Medical Institute investigator Thomas Jessell at Columbia University were reported in an article that was given immediate early publication status by the...

Expeditions find no evidence of ivory-billed woodpecker

...ns on how best to manage the habitat for continued regeneration toward old-growth conditions. "Today's generation of Louisianans will never see bottomland forests of the stature that were occupied by ivory-billed woodpeckers. Nor will their children, nor their grandchildren," says Fitzpatrick. "Conditions in the ...

Astrocytes play starring role in neural stem cell development

...in their glial cells. Thus, developing spinal cord regeneration therapies might mean supplying some factor produced by glial cells," said Stevens....

Drug breaks for HIV-infected individuals may put certain immune cells at risk

...e the bodys supply has become infected, or even if regeneration occurs with re-initiation of anti-viral treatment. During the treatment interruption, although HIV-fighting CD8 cells increase, HIV-specific CD4 cells also become infected if the virus is allowed to rebound, said Dr. Joseph Casazza, a co-author and a...

Researchers identify compounds that might help in spinal cord repair

... with myelin-axon interactions that induced nerve regeneration in rat brain cells under controlled laboratory conditions, according to Schnaar. He is now testing the nerve-regenerating factors in animal models with damaged nerves to determine if these therapies can work in living systems. Preliminary results are...

Fly brains provide new insights into the growth and development of human nerve cells

...ins - and may open up new avenues of research into regeneration of damaged or diseased neurons, he adds.Many human genetic diseases result from mutations in genes that regulate Rac signaling, Luo continues. Therefore, understanding how Rac genes affect neuronal growth and development might lead to preventative tr...

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