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Tag: "early" at biology news

Rare soft-shell turtle, nesting ground found in Cambodia

...the Cambodian Turtle Conservation Team, a group of early career conservationists who have received long-term mentoring from CI along with funding from the British energy company BP. During the survey, they worked closely with WWF staff and local fishing communities and explained the rarity of the turtle sp...

Left-right wiring determined by neural communication in the embryonic worm

...know about it because we were able to look at this early period." A similar system of extensive gap junctions appears in the developing mammalian brain, but researchers have yet to figure out exactly what it does. In worms, at least, they now know that it's involved in differentiating the left and right...

Revealing the machinery underlying the 'plastic' juvenile brain

...en deprived of normal visual stimulation during an early critical period of the first few years of life suffer the permanent visual impairment of amblyopia. Now, researchers comparing the genetic machinery of juvenile and adult mouse brains undergoing visual experience have uncovered differences in geneti...

In Iran, cheetahs collared for the first time

...ead poaching of cheetahs and their prey during the early years of the 1979 revolution, along with degradation of habitat due to livestock grazing, have pushed this important predator to the brink of extinction. Historically cheetahs have played a significant role in Iranian culture, being trained by its e...

Get a whiff of this: Smell test could sniff out serious health problems

...may sniff out olfactory disorders that could be an early warning of Alzheimer’s disease, Parkinson’s disease and other problems outside the typical sensory loss associated with aging. The Sniff Magnitude Test (SMT), an invention of UC Psychology Professor Robert Frank and Professor Emeritus Robert Gestelan...

NIAID expands capability for influenza research and surveillance

...—information that will be most critical during the early stages of an influenza pandemic. University of Minnesota, Minneapolis (principal investigator—Dr. Marguerite Pappaiaonou) These researchers will conduct international and domestic animal flu surveillance covering all major domestic flight paths ...

Natural antibiotics yield secrets to atom-level imaging technique

...s to frogs to humans. AMPs are the immune system's early line of defense, battling microbes at the first places they try to penetrate: skin, mucous membranes and other surfaces. They're copiously produced in injured or infected frog skin, for instance, and the linings of the human respiratory and gastroint...

Rapid response was crucial to containing the 1918 flu pandemic

...ortality was also lower in cities that implemented early interventions, but the effect was smaller. These c...t these cities had dramatically different outcomes early on, all the cities in the survey ultimately experienced significant epidemics because, in the absenc...

Investigating the measles virus as a tool to kill multiple myeloma

...g the measles virus against ovarian cancer reports early evidence of activity against the cancer, as well as demonstrated safety. The team can now move to administration of higher and potentially even more potent viral doses. The glioblastoma multiforme trial, which opened in the fall, is testing the safet...

Risk of HIV transmission highest early in infection

...the risk of HIV transmission may be highest in the early stages of infection. According to a study publish...rnal of Infectious Diseases, now available online, early infection accounted for nearly half of all transmission occurrences in an HIV-infected population in...

Tundra disappearing at rapid rate

...d change in response to climate warming during the early mid 20th century was observed at all locations. Treeline advanced considerably—as much as 85 metres elevation—on warm, south-facing slopes and tree density increased significantly—as much as 65 per cent—on cooler, north-facing slopes. "The mechan...

Stanford-led study closes in on genes that may predispose some people to severe depression

...s of severe depression that began in childhood or early adult life. The first of the studies was a genome-wide scan that looked for evidence of genetic "linkage" within families between depression and DNA markers on the various chromosomes. The linkage study identified regions worthy of more intensiv...

Biodiesel study targets cleaner air, cleaner engines

...ers. It is hoped the research results ?expected in early May ?will help increase demand for biodiesel, which in turn will increase market opportunities for recycled materials and oils and give farmers the chance to grow some of their own fuel. Recent government announcements supporting renewable fuels will...

Heart failure: Intervention possibilities from imaging programmed cell loss

...ting rid of unneeded or abnormal cells—may help in early identification of those individuals who are at risk of developing heart failure, say researchers in the April Journal of Nuclear Medicine. "Our study indicates that it is feasible to noninvasively identify cell loss—or apoptosis—in heart failure pat...

Sandia researchers take new approach to studying how cells respond to pathogens

...ays the researchers are interested in studying the early events in immune response when a pathogen invades a body. Understanding the early steps could lead to better ways to diagnose and stop disease before there are symptoms and developme...

UCI scientists reconstruct migration of avian flu virus

...ine." The study appears this week in the online early edition of the Proceedings of the National Academy of Sciences. This research offers the first statistical analysis detailing the geographic distribution of influenza A H5N1, the bird flu strain. While previous work informally identified H5N1 stra...

Jefferson scientists find rabies-based vaccine could be effective against HIV

...vaccinating them against an AIDS-like disease. The early evidence shows that the vaccine ?which doesn’t protect against infection ?prevents development of disease. Reporting April 1, 2007 in the Journal of Infectious Diseases, the scientists showed that two years after the initial vaccination, four vacci...

Gut research yields new anti-cancer approach

...ells as well as cancer cells," Schaefer said. "Our early studies, however, suggest that general toxicity does not rule out this approach as once feared. With new drug delivery technologies that help drugs target only cancer cells, we are very excited about the potential of this line of work." ...

Red flag for repetitive stress injuries identified for first time in humans

...or the first time in humans, scientists have found early indicators of inflammation ?potential warning sign...ive motion. Their findings could someday lead to early detection and prevention of debilitating conditions such as carpal tunnel syndrome and tendonitis. ...

Gene tests and brain imaging reveal early dementia

... inhibit its development if the treatment is given early enough. However, with today's diagnostics, it is very difficult to identify people with early Alzheimer's. A new doctoral thesis by Johanna Lind, Karolinska Institutet in Sweden, now shows t...

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