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Tag: "healthy" at biology news

Encouraging results in pancreatic cancer research

...g a pancreatic cancer cell line, while not harming healthy cells. The research team has now given PNC-28 to laboratory animals to test its ability to block the growth of pancreatic cancer cells. When administered over a two-week period in the peritoneal cavities of mice containing simultaneously transplant...

Early-stage immune system control of HIV may depend on inherited factors

... had been previously identified in people who stay healthy for a longer period of time after initial infection were associated with a more powerful early-stage HIV-specific CD8 activity. "While we can't say this for sure right now, it is looking like both the HLA Class I molecule and the specific viral s...

UCSF study will test new vaginal microbicide for herpes and HIV

...t be between 18 and 24 years old, sexually active, healthy and free of any sexually transmitted disease. They cannot be pregnant or breast feeding. They must either have regular menstrual periods or not have them at all. Moscicki said that the safety trial is important because earlier spermicidal microbi...

MRSA toxin acquitted: Study clears suspected key to severe bacterial illness

... spread from hospital settings into communities of healthy people," says NIAID Director Anthony S. Fauci, M.D...anced virulence, meaning they can infect otherwise healthy people. One of the biggest problems with CA-MRSA skin infections is that they spread rapidly and hav...

Seagrass ecosystems at a 'global crisis'

...asses are just one of the many keys to maintaining healthy coastal ecosystems and their biodiversity." Seagrasses ?a unique group of flowering plants that have adapted to exist fully submersed in the sea ?profoundly influence the physical, chemical and biological environments of coastal waters. They prov...

German researchers develop first non-invasive test to measure skin aging

... one part of a patient's forearm to another. "In a healthy 35-year-old, some areas can appear like the skin of a 25-year-old, and others like that of someone who's 50," said Johannes Koehler, a dermatologist at Friedrich Schiller University and a coauthor of the Optics Letters paper. But on average, both the...

New approach to BSE successful in lab

...peculiar: exactly the same prion proteins occur in healthy animals. The only difference is that they have a different shape. When there is contact with their ‘diseased twins?they change their shape, also becoming ‘diseased.?The result is an irresistible chain reaction. The malformed prion proteins can be dep...

Underweight women at greater risk of miscarriage

...of previous studies which suggest that following a healthy diet, reducing stress and looking after your emotional wellbeing may all play a role in helping women in early pregnancy, or planning a pregnancy, to reduce their risk of miscarriage. The findings related to low pre-pregnancy weight, previous termina...

Male contraception: One door opens, another closes

... obtain funding to test the drug's effect in seven healthy men. The result? Nothing--no effect on fertility, even at a dose high enough to cause diarrhea, stomach upset, and other unpleasant side effects. "We knew it was going to be either a strike out or a home run," says Amory. "It was a big disappoint...

NASA satellite data helps assess the health of Florida's coral reef

...adverse conditions and bleaching. By mapping these healthy regions, officials can then attempt to simulate those conditions elsewhere. Climate conditions, especially sea surface temperatures, are considered a major factor in coral reef health. Bleaching events typically peak when waters reach their warmest...

Researchers seek to design first treatment for neuroAIDS

...egin programmed cell death (apoptosis), a normally healthy process where old or damaged cells chose to die and be recycled. Furthermore, nerve cells exposed to HIV may lose their ability to pass on nerve signals long before the virus causes them to self-destruct. To protect themselves from infection, exposed...

Smashing the time it takes to repair our bones

...lecting the fact that both are occurring in normal healthy bone during fracture healing" He said by combin...nts. Dr Hannay said normal fractures in young, healthy people took approximately six to eight weeks to heal. "It might be possible to significantly redu...

Bones at the nanoscale

...de new insight in the design principles which make healthy bone so fracture resistant. The research may contribute to medical as well as technological developments: "The outcome of this research may contribute to a future development of bio-inspired and new nanocomposite materials. On a medical level, it may...

New brain-chemistry differences found in depressed women

...ferences between women with serious depression and healthy women in a brain-chemical system that's crucial to...r data from 14 women with major depression, and 14 healthy women of about the same age and background. The women with depression were not taking antidepressant...

New study finds chocolate chip cookies lower cholesterol

... The randomized, double blind study researched 33 healthy adults with moderately high cholesterol between the ages 35?5 at the University of Connecticut, Storrs, CT. Participants were randomly assigned to the Right Direction Cookie group or the placebo cookie group. Two cookies per day were consumed for fo...

Anticipation plays a powerful role in human memory, brain study finds

... The researchers studied the brain activity of 36 healthy volunteers using a technique known as functional magnetic resonance imaging, which produces high-contrast images of human tissue. They began by showing the volunteers two kinds of signals. One was neutral, but the other indicated that some type of gr...

Scientists show drug can counteract muscular dystrophy in mice

...ue and infiltration of inflammatory cells. Unlike healthy mice, the mice with MD were unable to either run o...hs, however, were virtually indistinguishable from healthy mice, and biophysical studies showed virtually no difference between the muscle strength of the mice...

Edible coatings will be the packaging of the future

...ey will prolong the useful life of foodstuffs in a healthy way and, on the other, they will be very beneficial for the environment given that they will reduce the use of plastics. Despite the advantages presented by the experts, there exists a number of obstacles to the full development of this alternative...

Genome archaeology illuminates the genetic engineering debate

...uld engineer plants to provide a more sustainable, healthy and productive source of food, while reducing the environmental impacts of their cultivation." ...

Intravenous gene therapy protects normal tissue of mice during whole-body radiation

...a nebulizer prior to radiation exposure to protect healthy tissues from damage. In this study, we found that the same therapy administered intravenously also offers protection during exposure to whole-body irradiation." Dr. Greenberger added that intravenous administration could potentially offer wide-reachi...

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