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Tag: "damage" at biology news

Circulating stem cells play small role in lung repair

...ransplanted lung, ischemia, and other factors that damage the alveoli ?tiny hollow sacs along the airways wh...xide. The processes by which alveoli recover from damage are complex and incompletely understood, Zander said. Previous research showed that type II pneumocy...

Candida albicans Genome Fully Annotated

...ransplanted lung, ischemia, and other factors that damage the alveoli ?tiny hollow sacs along the airways wh...xide. The processes by which alveoli recover from damage are complex and incompletely understood, Zander said. Previous research showed that type II pneumocy...

Researchers make headway in mystery of migraines

...Dr. Blostein and her team showed several genotypes damage the operation of a tiny cellular mechanism commonly known as the Sodium Pump (Sodium/Potassium ATPase enzyme). "Much of what happens in your brain--from memory to basic movement--is the result of the transmission of electrical impulses along nerve c...

Stem cell therapy successfully treats heart attack in animals

...ely applicable treatment to repair and reverse the damage done to heart muscle that has been infarcted, or d...ns," he says. "If a treatment can be found for the damage done by a heart attack to heart muscle, then there is the potential to forestall the serious complic...

Any exposure to tobacco smoke during pregnancy is risky

... only that smoking during pregnancy causes genetic damage in the developing fetus that can be detected at bi...assive ?or secondary ?exposure causes just as much damage as active smoking, and it is the same kind of damage," said Dr. Grant, whose primary area of study i...

Diabetic nerve therapy shows 'striking' results

Research into a new treatment for nerve damage caused by diabetes could bring relief to millions ...ered a way of stimulating genes that prevent nerve damage caused by the disease. Professor David Tomlinson, who is leading the research in Manchester, says t...

Using nanoparticles, in vivo gene therapy activates brain stem cells

...nology may make it possible to repair neurological damage caused by disease, trauma or stroke," said Earl J. Bergey, Ph.D., co-author and deputy director of biophotonics at the institute. The group's next step is to conduct similar studies in larger animals. ...

One hit of crystal meth causes birth defects

...e developing fetus appears to be vulnerable to DNA damage from methamphetamine exposure because it hasn't ye...enhance free radical formation to see if the human damage is consistent with his mouse findings. He will also try to determine whether the methamphetamine cau...

Researchers extend mouse lifespan by protecting against free radicals

...ke part in unnecessary chemical reactions that can damage the cell components, including DNA. Some researche...t can be a the precursor of free radicals that can damage the cell. The damage can in turn lead to more flaws in the cell's chemical processes, making a vicio...

Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees

...ational community for immediate action, before the damage is irreversible. While the experts were unable to establish precise population figures for the gorillas and chimpanzees, they determined that recent Ebola outbreaks, bushmeat hunting and logging have almost wiped out some populations. The action pla...

Modified collagen could yield important medical applications

...se heat or chemical reactions, techniques that may damage the protein or limit its safe use in humans. Yu's method, however, requires only physical mixing of collagen with even smaller molecules called collagen mimetic peptides. "That's the beauty of this," said Yu, an assistant professor in the Department...

Unusual antibiotics show promise against deadly 'superbugs'

...se heat or chemical reactions, techniques that may damage the protein or limit its safe use in humans. Yu's method, however, requires only physical mixing of collagen with even smaller molecules called collagen mimetic peptides. "That's the beauty of this," said Yu, an assistant professor in the Department...

Achilles heel of the herpes virus possibly found

...rus. And, there's increasing evidence that HSV may damage the nerve cells in which it hides between outbreaks, possibly contributing to neurological disease. In a presentation Sunday at the International Congress of Virology and in two new papers in the Journal of Virology, U-M researchers are reporting th...

Purdue scientists may have found key to halting spinal cord damage

...ated the substance most responsible for the tissue damage that follows initial spinal cord injury, a discove...nly are the traumatized cells at increased risk of damage from free radicals that oxidize the tissue, but the cells also spill chemicals that actually help th...

New tool reveals secrets of migrating cells

...photons will go deeper into the tissue, cause less damage and scatter less, Robey said, essentially illuminating slices through the tissue that can be sharply imaged and stacked to produce a 3-D image of the cells in real time. The system they use employs an infrared laser emitting short intense pulses of 9...

Novel compounds show promise as safer, more potent insecticides

... and more effective way to fight pest insects that damage food crops. The insecticides, which represent the ...iothis virescens), which is known to cause serious damage to cotton, tobacco and other crops, the researchers say. The compound did not have any measurable ef...

Major advance made on DNA structure

...nd why some DNA structures are inherently prone to damage and mutation. Understanding DNA structure, the scientists say, is just as necessary as knowing gene sequence. The human genome project, with its detailed explanation of the genetic sequence of the entire human genome, is one side of the coin. The oth...

Could better mangrove habitats have spared lives in the 2004 tsunami?

... been reduced and, more important, how such severe damage can be avoided if a tsunami ever strikes again. In...rom the tsunami waves, and they showed evidence of damage in some cases, but the researchers found few examples of mangrove trees actually being uprooted. Ho...

Stem Cells to Solve the Blood Shortage Problem?

... been reduced and, more important, how such severe damage can be avoided if a tsunami ever strikes again. In...rom the tsunami waves, and they showed evidence of damage in some cases, but the researchers found few examples of mangrove trees actually being uprooted. Ho...

Researchers seek to discover what really happens when a virus enters the body

...ting that the immune system is more concerned with damage detected on the basis of a biological cell's death...t. And it does this by defining anything that does damage as dangerous. Through this selectivity process, the immune system does not respond to things that do...

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