Tag: "studied" at biology news

Antimalarial substances found in New Caledonian sponges

...rom marine organisms. Among the few such organisms studied for their chemical composition, sponges of the genus Phloeodictyon (Haploscleridae) collected in shallow New Caledonian waters during campaigns of the programme "Marine Substances of Biological Interest" (SMIB), have proved to contain particular orga...

Researchers identify gene for a primary form of sudden infant death sydrome (SIDS)

...orphisms to SIDS in the general population will be studied next. Future work will examine the effects of this gene on the normal control of breathing and heart rate in otherwise normal, premature infants. The gene may be used as a diagnostic marker and to develop treatments. "This collaboration between ...

'Crack babies' do better when placed with non-family caregivers

...ildren has been consistently documented. Thus, we studied how the type of care provided to toddlers who experienced prenatal cocaine exposure affected their development. We followed 83 cocaine-exposed and 63 non-exposed children and their caregivers from birth until the children turned 2. By that age, 49 o...

Significant strides in small regulatory RNA research in plants

...nt RNA molecules for destruction. siRNAs have been studied for a number of years in plants since their discovery as the causal agent of RNA silencing, which is believed to represent a natural defense mechanism against viral infection and the activity of transposable elements. siRNAs typically target foreign ...

New drug shows promise against Gleevec resistance in mice

...logist then at The Rockefeller University, who had studied the regulation of Abl kinases for many years, made the seminal discovery that Gleevec, or STI-571, worked by binding to Abl when the enzyme was in its "off" position. If Abl was in the "on" position, the drug would not work. In the arcane world...

Cell study leap forward for tissue engineering, diseases

... tissue from frog embryos, Ninomiya and Winklbauer studied "convergent extension" (a process in which a tissue elongates as cells change their positions) and how it relates to cell differentiation. By administering different doses of activin, a protein known to induce cell differentiation, various cell types...

Acamprosate: potential medication for treating alcoholism

...preted cautiously because only a few subjects were studied and those subjects were not alcoholics," said Anton. "Since people vary in medication response, generalizing from a study of only a few people is difficult. Also, we know that chronic alcohol use changes brain chemistry in ways that might make medi...

Sleepless over Seattle: Migrating songbirds forgo sleep but keep their wits

...nsin, Madison, captive white-crowned sparrows were studied over the course of a year. These songbirds normally migrate approximately 2,700 miles each spring and fall between Alaska and Southern California, with flights typically occurring at night. In laboratory cages, during migratory seasons the birds get ...

UW study: Migrating birds offer insight into sleep

...f Science) Biology, found that a group of sparrows studied in the laboratory dramatically reduced how long th...such as bipolar illness." Benca and her colleagues studied captive white-crowned sparrows, songbirds that normally migrate at night between Alaska and Southern...

APS recognizes Intel high school finalists for experiments in physiology

...mous choice for the APS first prize of $1,000. She studied whether most anterior cruciate ligament tears in f...d much of his project outside the laboratory as he studied the effects of chlorine on the lung function of outdoor swimmers. The APS judges were led by P.K. R...

Study reveals evolution on the (butterfly) wing

...h specific color patterns. The color patterns they studied vary among species, existing in a continuum includ...atterns appeared in nature. Among the species they studied were those with such evocative names as buckeye butterfly, painted lady, passion vine butterfly, Gul...

Water study yields a few surprises for New England

...ensitive insects and fish. Some of the watersheds studied with only 20 percent urban lands had severe degradation of aquatic life. Although the highest mercury levels in sediments were in urban settings, the fish surveyed from urban waters contained less mercury. Surprisingly, fish found in streams drainin...

Mosquito researchers track dengue fever in Sonora, Mexico

...etics of the mosquitoes and the viruses need to be studied simultaneously to understand how they interact to cause disease," Markow said. Other UA members of the team are Michael Worobey, an assistant professor of ecology and evolutionary biology, Frank Ramberg, an assistant research scientist in the depart...

Wistar-discovered antibody will help diagnose appendicitis

...diagnosed within an hour. NeutroSpec is also being studied for possible use in diagnosing other occult infections, including osteomyelitis (bone infection), post-surgical abscesses, fever of unknown origin, and inflammatory bowel syndrome. Additionally, NeutroSpec's potential as a diagnostic for inhalation a...

National study shows dog and cat allergens are universally present in U.S. homes

...xposure to these allergens had not previously been studied in residential environments on a national scale....

Crystal structure for anthrax-cell binding complex

...onal Institute of Allergy and Infectious Diseases, studied the interaction of PA with the two known receptors for anthrax: TEM8 and CMG2. PA binds tightly to both receptors and can use either to transfer toxicity into the cell. They were able to determine the crystal structure of the PA-CMG2 binding compl...

How DNA repair machinery is a 'Two-Way Street'

...es of Health. Modrich and his colleagues have long studied the mismatch repair machinery of the cell. This machinery detects and corrects errors in DNA replication in which the wrong DNA unit is stitched into place in a newly forming DNA strand. Normally such units -- called nucleotides -- on one strand of t...

Highlights of the July Journal of the American Dietetic Association

.... Researchers at The Pennsylvania State University studied 153 girls living in central Pennsylvania. They found that girls who were at risk for excess weight at age 5 had significantly higher rates of "dietary restraint" by age 9 because of trying to maintain or lose weight, weight concern, body dissatisfact...

Endurance exercise found to be equally effective as diuretics in improving cardiac health

...y These were the issues addressed in a study that studied older adults with mild hypertension randomized into exercise and thiazide (diuretics that increase the excretion of sodium and chloride) groups to characterize (1) adaptive changes in LV mass, geometry, and function; and (2) the metabolic and hormona...

It's better in the shade

...of America. Traveling to Chiapas, Mexico the pair studied farming practices from traditional rustic management to a more intensive system shaded with only one tree species. They chose the area in part because, "Mexico produces more certified organic coffee than any other country and, while not the focus of ...

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(Date:10/31/2014)... 31, 2014 With all the preparations ... optometrist feels they may overlook one critical area – ... like concentration, school performance and even behavior. Typical children’s ... to identify progressive vision problems, and to address this ... a new initiative: The Awesome Eyes Student Vision Program. ...
(Date:10/31/2014)... 31, 2014 Energy Textiles has recently ... new gear is now available online, and Energy Textile ... of Celliant infrared-active athletic gear over compression gear. , ... contract has been signed for Under Armour to provide ... next eight years. In light of this decision, Energy ...
(Date:10/31/2014)... Oct. 31, 2014 (HealthDay News) -- Sleep apnea may make ... where you parked your car or left your house keys, ... severe sleep apnea showed that this ability -- called spatial ... movement (REM) sleep, even when other stages of sleep weren,t ... which dreams typically occur. "We,ve shown for the first ...
(Date:10/31/2014)... cost, patients with early stage breast cancer may ... proton therapy versus whole breast irradiation (WBI), according ... MD Anderson Proton Therapy Center. , ... patient characteristics, researchers used Medicare reimbursement codes to ... partial and whole breast irradiation therapies and treatment ...
(Date:10/31/2014)... one out of four older Americans say that either ... unwanted medical treatment, according to the latest issue of ... Aging Report ( PP&AR ), which goes on ... when they fail to honor patients, end-of-life health care ... Illness Care: Issues and Options ," features 12 articles ...
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