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Tag: "condition" at biology news

Group proves it's possible to grow new lung alveoli by growing new blood vessels

... and there are fewer developed capillaries. It's a condition that leaves them gasping--and one that is shared by people who have emphysema. "At this stage it's simply proof of principle," says Dr. Thébaud, also a pediatrician at the Stollery Children's Hospital's Neonatal Intensive Care Unit. The next step is...

In SAD patients, autumn antidepressants can prevent winter depression

...5). "The strategy makes sense when dealing with a condition where the pattern of relapse is somewhat predictable and the symptoms being prevented can be highly distressing and debilitating," comments Dr. Rosenthal. "In my opinion, the treatment used in the present study offers a valuable new option for those...

Health of Acehnese reefs in the wake of the tsunami shows human impacts more harmful

... in shallow waters. The team also found that reef condition varied widely within the region and was clearly correlated with human activities prior to the tsunami. In areas where fishing has been controlled, such as the Marine Protected Area on Pulau Weh and reefs managed under the traditional Acehnese system ...

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea

...ration plan to return the Salton Sea to its former condition as a high-quality aquatic ecosystem and recreation area. One aspect of this restoration plan will be the management and control of nutrient inputs to the lake. Inflow water into the Salton Sea by way of the Whitewater River, the New River and the A...

Travelers can avoid jet lag by resetting their body clocks

... delayed sleep phase syndrome (DSPS), a persistent condition that results from a misalignment between a person's internal biological clock and the external social environment. Both bright light and melatonin have successfully been used in laboratory and field settings to "phase advance" (resetting the circadi...

Men and women differ in brain use during same tasks

...r of the study. Silverstone cited the psychiatric condition of major depression as an example of the psychological differences between men and women, because twice as many women as men have this condition. He added that there are many other psychiatric conditions in which the male and female ratio is not equa...

Predators keep the world green, ecologists find

...s. "Mere numbers do not do justice to the bizarre condition of herbivore-impacted islets," the authors wrote. ...our ability to study predator-free space, and that condition was no longer met. In one period in 2003 we found six different predators on islands that previously...

Parents need to be educated about HPV vaccinations for daughters

...ources, and those least well equipped to treat the condition for the same reason. "In more affluent well-developed countries, cervical screening by means of cytology has become an established strategy for identifying women at risk of developing cervical cancer and has been responsible for a dramatic fall in...

Whole-genome study at Johns Hopkins reveals a new gene associated with abnormal heart rhythm

...heart rhythms that lead to sudden cardiac death, a condition affecting more than 300 thousand Americans each year. The gene called NOS1AP, not previously flagged by or suspected from more traditional gene-hunting approaches, appears to influence significantly one particular risk factor - the so-called QT int...

Infants can organise visual information at just four months

...roject under way with Williams syndrome infants ?a condition where attention and visual perception are particularly affected. Visual grouping research, Dr Farran argues, is essential to providing a proper starting point for the new research. "In many atypical disorders, people look at what's happening in a...

Infection 'alarm' yields clues to immune system behavior

...ively in such cases, the result may be a dangerous condition called septic shock.) The innate immune response begins when white blood cells detect a bacterial intruder or toxin in the body. They produce TNF to carry a message about this health threat to neighboring blood vessel cells, asking them to join in t...

Evolutionary biology research techniques predict cancer

...ientists decided to analyze data on a precancerous condition called Barrett's esophagus, in which cells lining ...o repeated exposure to stomach acid from reflux, a condition often referred to as heartburn. Doctors typically adopt a "wait and watch" approach to treating pati...

Researchers create pigs that produce heart-healthy omega-3 fatty acids

...ientists decided to analyze data on a precancerous condition called Barrett's esophagus, in which cells lining ...o repeated exposure to stomach acid from reflux, a condition often referred to as heartburn. Doctors typically adopt a "wait and watch" approach to treating pati...

Fruit fly's beating heart helps identify human heart disease genes

...that causes dilated cardiomyopathy in humans. This condition is often the cause of heart failure in humans and ...ystem and what we saw looked exactly like the same condition in humans," Wolf said. "We obtained clear images that looked similar to an echocardiography study of...

UCLA scientists find male gene in brain area targeted by Parkinson's

... initiate or control their physical movements. The condition eventually leads to paralysis. "For the first time, we've discovered that the brain cells that produce dopamine depend upon a sex-specific gene to function properly," Vilain said. "We've also shown that SRY plays a central role not just in the male ...

Bringing the zoos to the zebras

...uation for female zebras attempting to regain body condition after weaning their young. "Clearly the community took this message on board because when we returned a year later they had changed their behavior and allowed Grevy's zebras to walk with the livestock," added Rubenstein, principal investigator of t...

Spring migration of pink-footed geese under threat

...decreased summer survival as a result of poor body condition when the geese depart from the spring staging area...way so that they arrive in Svalbard in good enough condition to breed successfully. Populations of the goose have almost doubled over the past twenty years, fro...

Defective immune system response to smallpox vaccine detailed in new study

...ect in the immune response of people with the skin condition atopic dermatitis that puts them at risk of develo...out skin disease and from people with another skin condition called psoriasis) to further investigate how dysfunctions in the immune response of people with ecze...

Cholesterol gets 'thumbs up' for role in digit development

...holesterol is missing), extra digits may form â? a condition known as polydactyly. Although the causes of pol...r of other human conditions including cancer and a condition known as holoprosencephaly, a congenital malformation of the forebrain. Chiang is currently examin...

Concern over fast tracking of new drugs

... three trial patients developed a life threatening condition while being treated. Natalizumab was licensed by the US Food and Drug Administration in 2004 for use in relapsing multiple sclerosis on the basis of short term results from two unpublished trials. The FDA granted approval before final trial and cumu...

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