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Forsyth scientists suggest linkages between obesity and oral bacterial infection

A scientific team from The Forsyth Institute has discovered new links between certain oral bacteria and obesity. In a recent study, the researchers demonstrated that the salivary bacterial composition of overweight women differs from non-overweight women. This preliminary work may provide clues to...

Fossils suggest earlier land-water transition of tetrapod

DURHAM, N.C. -- New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber. Both extinct species, known as Ichthyostega and Acanthostega, lived an estimated 360-37...

Genes from tiny marine algae suggest unsuspected avenues for new research

MOSS LANDING, CA By sequencing the DNA of two tiny marine algae, a team of scientists has opened up a myriad of possibilities for new research in algal physiology, plant biology, and marine ecology. The project was led by Alexandra Worden at the Monterey Bay Aquarium Research Institute (MBARI) an...

New data suggest 'jumping genes' play a significant role in gene regulatory networks

CHICAGO, IL--Research performed in the Center for Biomolecular Science & Engineering (CBSE) at the University of California, Santa Cruz, suggests that mobile repetitive elements--also known as transposons or "jumping genes"--do indeed affect the evolution of gene regulatory networks. David Haus...

Atomic-resolution views suggest function of enzyme that regulates light-detecting signals in eye

An atomic-resolution view of an enzyme found only in the eye has given researchers at the University of Washington (UW) clues about how this enzyme, essential to vision, is activated. The enzyme, phosphodiesterase 6 (PDE6), is central to the way light entering the retina is converted into a cascad...

Models of eel cells suggest electrifying possibilities

Engineers long have known that great ideas can be lifted from Mother Nature, but a new paper* by researchers at Yale University and the National Institute of Standards and Technology (NIST) takes it to a cellular level. Applying modern engineering design tools to one of the basic units of life, th...

Nutritionists of the UGR suggest diet improvements during Ramadan

This press release is available in French and Spanish . Researchers from the departments of Department of Nutrition and Bromatology and Department of Chemistry-Physics of the University of Granada have carried out a study in which they have revealed the need of counterbalancing the ...

Little teeth suggest big jump in primate timeline

DURHAM, N.C. -- Tiny fossilized teeth excavated from an Indian open-pit coal mine could be the oldest Asian remains ever found of anthropoids, the primate lineage of today's monkeys, apes and humans, say researchers from Duke University and the Indian Institute of Technology. Just 9-thousandths...

Turtle studies suggest health risks from environmental contaminants

The same chemicals that keep food from sticking to our frying pans and stains from setting in our carpets are damaging the livers and impairing the immune systems of loggerhead turtlesan environmental health impact that also may signal a danger for humans. Jennifer Keller, a researcher at the ...

New studies suggest brain overgrowth in 1-year-olds linked to development of autism

Boca Raton, FL, December 8, 2007 Brain overgrowth in the latter part of an infants first year may contribute to the onset of autistic characteristics, according to research presented today at the American College of Neuropsychopharmacology (ACNP) annual meeting. These findings support concurrent ...

Features of replication suggest viruses have common themes, vulnerabilities

MADISON - A study of the reproductive apparatus of a model virus is bolstering the idea that broad classes of viruses - including those that cause important human diseases such as AIDS, SARS and hepatitis C - have features in common that could eventually make them vulnerable to broad-spectrum anti...

Threatened birds may be rarer than geographic range maps suggest

Geographic range maps that allow conservationists to estimate the distribution of birds may vastly underestimate the actual population size of threatened species and those with specific habitats, according to a study published online this week in the journal Conservation Biology. Our study foun...

Studies suggest new brain protein may help in treating schizophrenia, insomnia and anxiety

A small protein in the brain that has only recently been discovered and, paradoxically, induces both profound wakefulness and a less anxious state, may represent a novel target for the treatment of psychotic behavior and schizophrenia, according to new research presented at the 6th International Co...

Molecular research suggest shift needed in how some drugs are created

The first close-up look at a pro-inflammatory signaling molecule involved in immune response in mammals suggests that researchers "should rethink what they are doing" in creating drugs based on a fruit-fly model, scientists say. Reporting in the Oct. 1 issue of the Journal of Immunology, research...

Why do aneurysms form? New studies suggest leading role for white blood cells

Each year, 200,000 Americans find out that the largest blood vessel in their body, the aorta, may burst open at any time. About 20,000 die suddenly from such a rupture. And another 36,000 have surgery to repair or replace the swelling section of aorta before time runs out. But despite the deadly ...

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

New insights by Duke University Medical Center researchers as to how HIV evades the human immune system may offer a new approach for developing HIV vaccines. The findings suggest some HIV vaccines may have failed because they induce a class of antibodies that a patient's own immune system is progra...

New studies suggest airborne SARS transmission is possible

Two new studies present evidence that the virus causing severe acute respiratory syndrome (SARS) may spread through the air, not just through direct contact with contaminated water droplets as previous research had shown. SARS coronavirus was detected in the air in a patient's room during the 200...

AGU journal highlights -- Aug. 6, 2009

...zone depletion increases ocean acidification. They suggest that future climate models should take stratospher...low significant hydrological activity. The authors suggest that the sedimentary deposits associated with the ...d seismic Earth models quantitatively, the authors suggest that the mantle could be chemically homogeneous bu...

University of Hawaii at Manoa researchers reveal ocean acidification at Station ALOHA

... Since the beginning of the industrial age, CO 2 -driven acidification of the surface oceans has already caused a 0.1 unit lowering of pH, and models suggest that another 0.3 pH unit drop by the year 2050 is likely. Continued acidification of the sea may have a host of negative impacts on marine biota, and...

Understanding how weeds are resistant to herbicides

...ok at these populations and see, are these genetically similar, which would suggest that it was a movement event. If they're completely different, then that would suggest that it's evolving independently." ...

Brain difference in psychopaths identified

...ntrol groups of people with the same age and IQ. Also, the degree of abnormality was significantly related to the degree of psychopathy. These results suggest that psychopaths have biological differences in the brain which may help to explain their offending behaviours. Dr Craig added: 'This study is part...

Sustainable agriculture at the ESA Annual Meeting

...nial fields also had higher soil microbe biodiversity and higher levels of dissolved carbon and nitrogen in the soil. All these findings, says Glover, suggest that the perennial field soil is healthy enough to maintain high levels of organic nutrients. In addition to being more ecologically sustainable, G...

Animal and plant communication at the ESA Annual Meeting

... his team observed a surge in generalist density compared to natural areas. The number of specialists, however, only increased slightly. These results suggest that the bird predators were preferentially targeting generalists. The difference is likely due to the specialists' ability to take better advanta...

The way you eat may affect your risk for breast cancer

...ut results to date have been mixed. New findings published in Cancer Prevention Research , a journal of the American Association for Cancer Research, suggest the method by which calories are restricted may be more important for cancer protection than the actual overall degree of calorie restriction. "Und...

Race/ethnicity, family income and education associated with sugar consumption

...ow income and education are particularly vulnerable to eating diets with high added sugars. There are differences within race/ethnicity groups that suggest that interventions aimed at reducing the intake of added sugars should be tailored to each group. Using data from adults (≥18 years) participati...

August 2009 Geology and GSA Today media highlights

...ion was heated early in the planet's history. They suggest that a similar geologic history may apply to other...imate records from the same region and time period suggest changes in precipitation and temperature may be th...n of El Nio events over the past 5000 years, which suggest that such events have become more frequent and int...

UC San Diego engineer provides insights to decades-old DNA squabble

...e. The new findings by Arya and his collaborators suggest that the structure of chromatin is actually a comb...nation of both of these models. Some researchers suggest that its structure is like a solenoid, where the c...tain a highly bent conformation. Other researchers suggest that chromatin has a zigzag structure where the nu...

Antibody targeting of glioblastoma shows promise in preclinical tests, say Lombardi researchers

... lot of pathways that are activated in cancer are passengers, in a sense. They don't drive cancer. But in the case of PTN and ALK, the expression data suggest that these are drivers patients with increased expression of these genes had significantly poorer outcomes in an analysis of different, independent s...

U of M study identifies risk factors of disordered eating in overweight youth

...wood, Ph.D., assistant professor at the University of Minnesota School of Public Health and a co-author of the study. Findings from this study also suggest the importance of strong family relationships for overweight adolescents. These youth face pressures above and beyond those faced by their non-overw...

A crystal ball for brain cancer?

... the David Geffen School of Medicine at UCLA. "Until now, there has been no good way to identify these patients in advance. Our work is the first to suggest that we can predict which tumors will respond before the patient ever starts therapy." Pope and his colleagues focused on glioblastoma, the most co...

Reducing risk of hospitalization in the elderly

...hs, were also at a higher risk of hospitalization compared to adults with more dense thighs. "The findings are particularly important because they suggest that interventions, such as physical exercise, that improve physical function could help keep more vulnerable seniors out of the hospital," says Cawth...

Naming evolution's winners and losers

...nary success of these groups, such as hair on mammals or mammals' well-coordinated chewing ability or feathers on birds," Alfaro said. "Our results suggest that something more recent is the cause of the biodiversity. It may be that something more subtle explains the evolutionary success of mammals, birds ...

Maternal, paternal genes' tug-of-war may last well into childhood

...heir rapid growth both in the womb and as young children. They have a high frequency of childhood cancers. "Clinical data from imprinting disorders suggest paternally-expressed genes promote, and maternally-expressed genes inhibit, childhood growth," Haig writes. Haig adds that further longitudinal stu...

After dinosaurs, mammals rise but their genomes get smaller

...mation together with the paleontological record to learn more about the past." And the present. Lynch says the data he and his colleagues analyzed suggest human genomes are still undergoing a contraction -- though you shouldn't expect to see noticeable changes in our chromosomes for a few million years y...

Comprehensive look at rare leukemia finds relatively few genetic changes launch disease

...alysis identified focal CNAs adjacent to genes previously linked to chromosomal translocations. Those genes are MLL, MLLT4, NUP98 and NSD1. These data suggest that chromosomal translocations are more frequent in AML than was previously thought. Identifying the abnormality during diagnostic testing will requi...

Placenta-derived stem cells may help sufferers of lung diseases

...hils is not known." The researchers speculated that these cells may produce soluble factors that induce anti-inflammatory effects. "Our findings suggest that fetal membrane-derived cells may prove useful for cell therapy of fibrotic diseases in the future," concludes Dr. Parolini. Dr. Cesar Borlonga...

Scientists track impact of DNA damage in the developing brain

...switched off a pathway for repairing damaged single DNA strands in an organ system, in this case the mouse brain and nervous system. While the results suggest certain brain cells are particularly vulnerable, investigators report that with time DNA damage accumulates throughout the nervous system. Some mice i...

Scientists closer to making implantable bone material, thanks to new research

... from mouse embryonic stem cells was much less stiff and less complex in its mineral composition when compared to the other materials. The researchers suggest that further research is now needed to explore the implications of these results for different stem cell therapies. Professor Molly Stevens, from ...

Airway cells use 'tasting' mechanism to detect and clear harmful substances

...y J. Carver Chair of Internal Medicine and Physiology and Biophysics. Welsh also is a Howard Hughes Medical Institute investigator. "These findings suggest that we have evolved sophisticated mechanisms to guard ourselves from harmful environmental stimuli," Ben-Shahar said. "Our work also suggests that lo...

UTMB study identifies women at risk of gaining excessive weight with injectable birth control

... researchers recommend that physicians tailor counseling based on women's risk factors, closely monitor weight at each three-month follow-up visit and suggest a different contraception method to patients who gain significant weight within the first six months of use. Researchers found that early gainers e...
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