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Tag: "healthy" at biology news

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

...Pennsylvania that caused three deaths in otherwise healthy adults....

HIV protein enlisted to help kill cancer cells

...he anticancer potential of TAT-Bim. "Unlike most healthy cells, cancer cells grow very fast. So they are al... will concentrate them within tumors while sparing healthy cells. In collaboration with Robert H. Mach, Ph.D. professor of radiology, they are linking the anti...

Growth hormone is not the anti-aging bullet for healthy adults

...lished data on use of human growth hormone (GH) by healthy elderly people found that the synthetic hormone wa... "But the scant clinical experience of GH in the healthy elderly suggests that although GH may minimally alter body composition, it does not improve other cl...

Penn study on lung-infecting bacterial enzyme suggests new approach to cystic fibrosis treatment

...tunistic infections in CF and AIDS patients. In healthy lungs, CFTR allows the passage of chloride ions (and accompanying water) into airways, creating a thin layer of fluid to keep airways clear. However, SMase, secreted by certain respiratory tract bacteria, breaks down lipids surrounding CFTR and there...

Notorious cancer gene may work by destroying messenger

...ample, or other growth-regulating proteins.? In healthy cells, Src helps control cell proliferation, differentiation, survival and movement. Mutated Src is found in about half of all colon, liver, lung, breast and pancreatic tumors, and the amount of Src can be significantly higher in cancer cells compare...

Researchers discover genetic cause for word-finding disease

...hese particular mutations were not observed in the healthy siblings or in more than 200 control samples. The study was published in January Archives of Neurology and is discussed in an editorial in the journal. "We're dealing with one of the most puzzling phenomenons in neurology," said Mesulam, direc...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

...fully used them to repopulate a damaged organ with healthy cells in adult mice. Their findings demonstrate that single-parent stem cells can proliferate normally in an adult organ and could provide a less controversial alternative to the therapeutic cloning of embryonic stem cells. "Creating uniparental...

Cancer researchers add spice to research against rare neuromuscular disease

...th ASC-J9 have normal fertility and are completely healthy sexually, which wouldn't be the case if we simply took away testosterone." ...

Flavanols in cocoa may offer benefits to the brain

... flavanols may have the potential to help maintain healthy brain function and chart the course for future res...ing this cocoa could be developed to help maintain healthy brain function throughout several life stages. More research examining the potential of this cocoa ...

UCLA/Toronto researchers unlock key to memory storage in brain

...ain injury. We may be able to guide memories into healthy cells and away from sick cells in dying regions of the brain." Our memories define who we are, so learning how the brain stores memory is fundamental to understanding what it is to be human, Silva observed. "A memory is not a static snapshot,...

Parasite infection may benefit MS patients

...n, 12 controls with MS who were uninfected, and 12 healthy individuals. The two groups of MS patients had a similar disease course. Patients had a neurological exam every three months and a brain MRI every 6 months, while immunological evaluations were conducted during the last 12 to 18 months of the study. ...

Protein found to shield pancreatic cancer cells from self-destruction

...ma. Expression of TG2 is tightly regulated in a healthy cell, Mehta says, and is temporarily increased in response to certain hormones or stress factors. "However, constitutive expression of this protein in a cancer cell helps confer protection from stress-induced cell death," Mehta says. "We are developi...

Health Canada approves cold and flu medicine

...wn side effects or drug interactions for generally healthy individuals. Health Canada established new regulations effective Jan. 1, 2004, to monitor and manage the NHP industry. CV Technologies was the first company in Canada to launch and complete a trial under the new regulations. These regulations are ...

Uganda's mountain gorillas increase in number

...ade. The age composition of the population shows a healthy distribution of adult and immature classes, including infants and juveniles. Other findings are that gorillas are not using the eastern side of the park, a possible result of human disturbances there. Particularly encouraging, however, is that one gr...

Knocking out survival protein could aid leukemia treatment

...is called Mcl1. It usually helps keep normal cells healthy and is involved in the development of the components of the immune system, but it can also help prolong survival of cancer cells. Cells with an overabundance of the protein are also more resistant to anticancer drugs such as rituximab, which has ...

Living with water scarcity -- world must act now

... developed countries, people eat more than what is healthy and 30% to 40% of food is lost between farmers fields to our forks. In developed countries, much of this loss is between the shop and our plates, and could be avoided if we are more careful. The way forward. The Comprehensive Assessment challeng...

A steady, high-fat diet is bad, but the news gets worse

... cardiovascular function." In the study, 30 healthy young adults fasted the night before, then consumed either a high- or low-fat breakfast. Both meals had the same number of calories and the low-fat breakfast included supplements to balance it for sodium and potassium. Two hours later the two gro...

Key found to kill cystic fibrosis superbug

...uch as onions. While it rarely causes infection in healthy people, it can be fatal for people with cystic fibrosis (CF), an inherited disease where the lungs become clogged with thick mucus, often leading to chronic respiratory infections. The team of researchers has identified a weakness in the armour t...

New protein implicated in autism

...iduals with autism and was never detected in their healthy immediate relatives, leading to the suggestion that defects in CADPS2 function might predispose individuals to develop autism. ...

Tears reveal some of their deepest secrets to researchers

...ily meibum secretions from the meibomian glands of healthy volunteers. The meibomian glands are tiny, grape-like clusters of cells that line the rim of our upper and lower eyelids ?the outlets to these glands are roughly adjacent to the eyelashes. Researchers gently pressed the volunteers' lower eyelids and ...

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