repair 2 4

Tag: "repair" at biology news

Screen all at risk for HIV, plus pregnant women

...zed brain and a glowing track record in helping to repair heart valves, remove cancerous prostates, bypass blocked coronary arteries and perform gastric bypass operations for morbid obesity. The new arrival is a robotic machine, the da Vinci Surgical System, manufactured by Intuitive Surgical. UNC currentl...

FDA: 'Highly Unlikely' Green Tea Lowers Cancer Risk

...zed brain and a glowing track record in helping to repair heart valves, remove cancerous prostates, bypass blocked coronary arteries and perform gastric bypass operations for morbid obesity. The new arrival is a robotic machine, the da Vinci Surgical System, manufactured by Intuitive Surgical. UNC currentl...

New study finds how cells with damaged DNA alert the immune system

...cated. If the damage is too severe for the cell to repair on its own, it can trigger cell death, a process known as apoptosis. "All of this is happening autonomously within the cell," said Raulet. "What's new about our study is that we found that cells with damaged DNA can also involve other cells in the f...

Renewed hope for Parkinson's patients

...cated. If the damage is too severe for the cell to repair on its own, it can trigger cell death, a process known as apoptosis. "All of this is happening autonomously within the cell," said Raulet. "What's new about our study is that we found that cells with damaged DNA can also involve other cells in the f...

No single gene for ageing

...ood, produce offspring and survive danger - not to repair and maintain cells. So the maintenance system in t...t energy in reproduction and not in maintenance or repair of the body over time. But genetic factors do exist. "Approximately 25 percent of how a person ages...

Scientists get first glimpse at how plants, most animals repair UV-damaged DNA

...s have observed exactly how some cells are able to repair DNA damage caused by the sun's ultraviolet (UV) ra...nzyme photolyase uses energy from visible light to repair UV damage. This enzyme is missing in all mammals, including humans, although all plants and all oth...

OHSU researchers discover potential mechanism to repair brain damage linked to Multiple Sclerosis

...dentified some of the key factors that prevent the repair of brain damage caused by multiple sclerosis (MS),...ortant clues about why the nervous system fails to repair itself and suggest ways that at least some forms of brain damage could be reversed. The research is ...

Molecular Partners Required For Appropriate Neuronal Gene Repression

...dentified some of the key factors that prevent the repair of brain damage caused by multiple sclerosis (MS),...ortant clues about why the nervous system fails to repair itself and suggest ways that at least some forms of brain damage could be reversed. The research is ...

Tissue regeneration operates differently than expected

...isagreement, however, about the mechanism on which repair processes are based. Scientists from the Max Planc...study that adult stem cells are involved in tissue repair processes in a paracrine way by delivering mediating factors rather than by simply becoming componen...

Researchers discover key to human embryonic stem-cell potential

...to modify the circuitry of embryonic stem cells to repair damaged or diseased cells or to make cells for regenerative medicine," says Young. "They also establish the foundation for solving circuitry for all human cells." ...

Research casts doubt on circulating stem cells

...d at its disposal a kind of "mobile task force" of repair cells, constantly moving through the body and replacing damaged tissue. Even severe diseases like Duchenne muscular dystrophy (DMD), which destroys all the body's muscles, appeared to be potentially treatable ?indeed, by the simple means of transplan...

Gene therapy works in mice to prevent blindness that strikes boys

...ncouraging were signs the treatment may be able to repair retinal damage. The treatment has promising implications for other genetic eye diseases that involve the eye's ability to process light, including retinitis pigmentosa, which affects about 200,000 people in the United States and is one of the most c...

Chernobyl: The true scale of the accident

... UN report provides definitive answers and ways to repair lives A total of up to four thousand people could eventually die of radiation exposure from the Chernobyl nuclear power plant (NPP) accident nearly 20 years ago, an international team of more than 100 scientists has concluded. As of mid-2005, howev...

Normal chromosome ends elicit a limited DNA damage response

...look just like broken strands of DNA that a cell's repair machinery is designed to fix. But mending chromoso...e generation of cells. To prevent the cell's DNA repair machinery from confusing telomeres with broken strands of DNA that need to be repaired, the tips of ...

Embryonic stem cells accrue genetic changes

...at in the future these cells might help replace or repair tissues lost to disease or injury. Because embryonic stem cells can become any type of cell found in the body, in theory they could replace certain pancreas cells in people with type I diabetes, or regenerate brain cells lost in a person with Parkins...

'Nanospheres' that block pain of sensitive teeth

... at the same time and so be an incredibly powerful repair tool for dentists. ...

Scientists discover the molecular switch for nerve cells' insulating jelly rolls

...l that has lost myelin due to injury or disease to repair itself? That is a key question that our laboratory and others are now actively trying to answer," he says. ...

Gene therapy for muscular dystrophy fixes frail muscle cells in animal model, Stanford study finds

...dystrophin protein in large quantities in order to repair the entire muscle cell. Previous muscular dystrophy gene therapy studies did not look at whether the introduced dystrophin spread along the entire length of the muscle cell, which can be many millimeters long in mice or inches long in humans. In th...

Magnetic probe successfully tracks implanted cells in cancer patients

... cancer or prevent its recurrence or stem cells to repair damaged organs, say the researchers. Bulte and a team of Dutch researchers used MRI and a magnetic probe approved by both European and U.S. agencies to locate therapeutic cells injected into eight melanoma patients. "Our results show that the MRI...

New technique multiplies life span in simple organisms

...rized by the absence of reproduction, improved DNA repair and increased protection against cell damage. Orga...d, is that cells may be able to speed up their DNA repair efforts. All organisms have the ability to repair harmful mutations in their DNA, whether caused by ...

1 2 3 4 5 6 7 8 9 10