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Hormone levels contribute to stress resilience

Philadelphia, PA, 5 August 2009 - It is important to understand what biological mechanisms contribute to an individual's capacity to be resilient under conditions of extreme stress, such as those regularly experienced by soldiers, police, and firefighters. Dr. Charles A. Morgan III and his collea...

Work in mice will contribute to the study of hereditary diseases that lead to blindness

This release is available in Spanish . Researchers of the University of Granada (Spain) have used a technique consisting of the induction of neuronal degeneration neuronal for intense light exposure in the mouse's retina that will be helpful for the study of retinitis pigmentosa (RP), a g...

Temporary infidelity may contribute to the stability of ancient relationships

Fungus-farming ants have cultivated the same fungal crops for 50 million years. Each young ant queen carries a bit of fungus garden with her when she flies away to mate and establish a new nest. Short breaks in the ants' relationship with the fungus during nest establishment may contribute to the...

Differences in neighborhood food environment may contribute to disparities in obesity

March 19, 2009 Researchers at Columbia University Mailman School of Public Health examined the association of neighborhood food environments and "walkability" with body mass index (BMI) and obesity in New York City and found that a higher density of BMI-healthy food outlets is associated with a l...

The genetics of fear: Study suggests specific genetic variations contribute to anxiety disorders

Polymorphisms are variations in genes which can result in changes in the way a particular gene functions and thus may be associated with susceptibility to common diseases. In a new study in Psychological Science , a journal of the Association for Psychological Science, psychologist Tina B. Lonsdo...

High-fat diets inflame fat tissue around blood vessels, contribute to heart disease

CINCINNATIA study by researchers at the University of Cincinnati (UC) shows that high-fat diets, even if consumed for a short amount of time, can inflame fat tissue surrounding blood vessels, possibly contributing to cardiovascular disease. These findings will be published in the Feb. 20 editio...

TXOTX, coordinated international project to contribute to sustainability of the marine resources

AZTI-Tecnalia, the technological centre specialising in marine and food research, is coordinating the international TXOTX (Technical eXperts Overseeing Third country eXpertise) project. The fundamental aim of this project is to collate the greatest information possible on scientific fishery resear...

USC researchers head global effort to study genetic risks that contribute to psychiatric diseases

A multi-institution team of investigators led by researchers at the Keck School of Medicine of the University of Southern California (USC) has received $19 million in funding from the National Institutes of Mental Health (NIMH) for a groundbreaking effort to collect genetic information on tens of ...

Scientists identify gene that may contribute to improved rice yield

A team of scientists, including Penn State Distinguished Professor of Biology Hong Ma, has identified a gene in rice that controls the size and weight of rice grains. The gene may prove to be useful for breeding high-yield rice and, thus, may benefit the vast number of people who rely on this sta...

Seabird ammonia emissions contribute to atmospheric acidity

Amsterdam, September 23, 2008 Ammonia emissions from seabirds have been shown to be a significant source of nitrogen in remote coastal ecosystems, contributing to nutrient enrichment (eutrophication) and acidification in ecosystems. While most ammonia emissions originate from domesticated animals...

Anything but modest: The mouse continues to contribute to humankind

Cambridge, UK, 07 August 2008 - "Big things come in small packages," the saying goes, and it couldn't be more true when discussing the mouse. This little creature has become a crucial part of human history through its contributions in understanding human genetics and disease. In a review publish...

How 'hidden mutations' contribute to HIV drug resistance

This press release is available in French . One of the major reasons that treatment for HIV/AIDS often doesn't work as well as it should is resistance to the drugs involved. Now, scientists at McGill University have revealed how mutations hidden in previously ignored parts of the HIV genome...

Montreal Heart Institute and Mount Sinai Hospital researchers contribute to Crohn's disease study

Twenty-one new genetic risk factors associated with Crohn's disease have been discovered, more than doubling the amount of genetic information about the disease. An international consortium of Crohn's disease researchers combined efforts, including major contributions from Canadian researchers Dr...

Clumps of red and white blood cells may contribute to sickle cell disease

CHAPEL HILL Its long been known that patients with sickle cell disease have malformed, sickle-shaped red blood cells which are normally disc-shaped that can cause sudden painful episodes when they block small blood vessels. Now, researchers at the University of North Carolina at Chapel Hill ...

New mineralogical techniques contribute to prevent national heritage damage

This release is available in Spanish . Humidity, environmental pollution, cleaning with aggressive products for the chemical composition of the rock, etc give rise to the appearance of salts which cause stone decomposition, paint coats detachment, dust accumulation, etc. The treatments...

Study proposes new theory of how viruses may contribute to cancer

PITTSBURGH, Oct. 23 A new study suggests that viruses may contribute to cancer by causing excessive death to normal cells while promoting the growth of surviving cells with cancerous traits. Viruses may act as forces of natural selection by wiping out normal cells that support the replication of ...

Gene variations contribute to aggression and anger in women

Ever wonder why some women seem to be more ill-tempered than others? University of Pittsburgh researchers have found that behaviors such as anger, hostility and aggression may be genetic, rooted in variations in a serotonin receptor gene. Indrani Halder, Ph.D., of the Cardiovascular Behavioral Medi...

Largest genomic search finds genes that may contribute to autism

An international team of researchers from 19 countries has identified one gene and a previously unidentified region of another chromosome as the location of another gene that may contribute to a child's chances of having autism. The findings, based on genetic samples from nearly 1,200 families wi...

Protein averts cell suicide but might contribute to cancer

Scientists have discovered how an unusual protein helps a cell bypass damage when making new DNA, thereby averting the cell's self-destruction. But they also discovered that this protein, an enzyme called Dpo4, often makes errors when copying the genomic DNA sequence that later might cause the c...

Scientists work to identify genes that contribute to early heart attack risk

Scientists at Wake Forest University Baptist Medical Center and colleagues at four other medical centers have launched a $10 million multi-year study to identify genes that may contribute to early atherosclerosis. "If we can identify people in their teens and early adult life who have a genetic ...

UCI scientists find chlorine may contribute to ozone formation

Standard methods of predicting air pollution don't take atmospheric chlorine into account, but the chemical could be responsible for 10 percent or more of daily ozone production in local air, research at UC Irvine has found. Air measurements taken nearly nonstop in the Irvine area over a two-mont...

Warming trend may contribute to malaria's rise

Could global warming be contributing to the resurgence of malaria in the East African Highlands? A widely-cited study published a few years ago said no, but new research by an international team that includes University of Michigan theoretical ecologist Mercedes Pascual finds that, while other fa...

Infections could contribute to adult brain tumours

Infections could play a key role in triggering certain types of adult brain cancer, according to results from a new statistical analysis of the disease. The international study, led by Dr Richard McNally at the University of Newcastle upon Tyne, was funded by Cancer Research UK, the Dutch Cancer...

'Jumping genes' contribute to the uniqueness of individual brains

Brains are marvels of diversity: no two look the same -- not even those of otherwise identical twins. Scientists at the Salk Institute for Biological Studies may have found one explanation for the puzzling variety in brain organization and function: mobile elements, pieces of DNA that can jump from...

Bird Brains Show How Trial and Error May Contribute to Learning

The adult male zebra finch knows only one scratchy tune learned in its youth, which it performs repeatedly and intensely when females are listening. But occasionally, the finch might improvise, experimenting with a slower, more sultry variation or emphasizing different notes. Neurobiologists stu...

NIH stimulus funding supports Emory biomedical scientists

...s half of the people with the disease within three years. Vitamin D, which is lacking in many peoples' diets, may regulate inflammatory molecules that contribute to pulmonary fibrosis. Mechanisms of cardiac fibrosis: NADPH oxidases are enzymes that create reactive oxygen species, and also are used by the bo...

'Green' energy from algae

... Energy plants like rape or oil palm are being discussed fervently, as they may also be used for food production. Hence, cultivation of microalgae may contribute decisively to tomorrow's energy supply. For energy production from microalgae, KIT scientists are developing closed photo-bioreactors and novel cell d...

Moving to the US increases cancer risk for Hispanics

... Ramirez said. "Physicians should probe Hispanic patients more on their background and family history to identify any problematic behaviors that could contribute to health problems." Patients should become better informed of some of the positive aspects of their original lifestyles and should be strongly dis...

New hope for fisheries

...shing has been reduced in several regions around the world, resulting in some stock recovery. Moreover, it bolsters the case that sound management can contribute to the rebuilding of fisheries elsewhere. It's good news for several regions in the U.S., Iceland and New Zealand. "These highly managed ecosyste...

August 2009 Geology and GSA Today media highlights

...cteristic isotopic "fingerprints." Of specific interest here, iron isotopes in sediment pore fluids may be a unique tracer of bacterial processes that contribute to the input of iron to seawater; an important process contributing to natural carbon sequestration in the oceans. The research shows that iron cyclin...

Global curbs on overfishing are beginning to work

...shing has been reduced in several regions around the world, resulting in some stock recovery. Moreover, it bolsters the case that sound management can contribute to the rebuilding of fisheries elsewhere. It is 'good news' for several regions in the US, Iceland and New Zealand. "These highly managed ecos...

K-State researcher, collaborators study virulence of pandemic H1N1 virus

...io-Defense Facility that has been designated for Manhattan. "Our strength at K-State is that we are very familiar with zoonotic diseases and we can contribute by working on models for animal and human diseases," Richt said. "This expertise is very critical now that an agent causing a pandemic flu in humans m...

Stem cell research: From molecular physiology to therapeutic applications

... They remained in some tissues and organs during gestation and could give rise to different kinds of pluripotent stem cells and thus could potentially contribute to self-repair and self-renewal of tissues and organs. They generated cells not only for the damaged tissues in which they reside, but also for damage...

Cancer's distinctive pattern of gene expression could aid early screening and prevention

...hemicals leached from plastic or cigarettes, along with diet, sleep patterns even physical activity levels can result in these epigenetic changes that contribute to cancer and other diseases. "The natural aging process, environment, our lifestyle really changes our natural mechanisms," says Dr. Huidong Shi, ep...

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

...ed on weight, as occurs with some medications," Berenson said. "The drug may be more concentrated in the tissue of a woman with a BMI under 30 and may contribute to excessive weight gain, but more research is needed." The biological mechanism of DMPA-related weight gain is still unknown, but researchers not...

Stunting plants' skyward reach could lead to improved yields

... rich in far-red wavelengths tells a plant that it is shaded and needs to grow higher to out-compete its neighbor. "We expect that our studies will contribute significantly to our understanding of the complex phytochrome-dependent signaling pathways that operate in higher plants," Montgomery said. "We hope t...

IOS Press announces launch of Journal of Berry Research

...ersit Politecnica della Marche, Department of Biochemistry, Biology & Genetics, Ancona, Italy, "The main objective of this new quarterly journal is to contribute to and improve knowledge regarding the quality and production of berries to benefit the health of the consumers and maintain profitable production usi...

University of Miami receives stimulus funds for study of hurricane impacts on structures, ecosystems

...ed sensor technology, including remote and optical imaging systems that can be deployed in hurricanes. This innovative experimental test bed will also contribute to the knowledge needed for the development of the next generation of high-resolution fluid dynamic models, which help forecasters and emergency respo...

Scientists report first remote, underwater detection of harmful algae, toxins

...e the toxicity of these algae can vary widely from little or no toxicity to highly toxic." Beyond improving forecasting of HABs, this research will contribute to the rapidly emerging U.S. Integrated Ocean Observing System (IOOS) by adding a new way to make coastal ocean observations. IOOS is a network of peo...

Early-life experience linked to chronic diseases later in life: UBC research

...ics and a scientist at the Centre for Molecular Medicine and Therapeutics at the Child & Family Research Institute. This pattern of responses might contribute to the higher rates of infectious, respiratory, and cardiovascular diseases as well as some forms of cancer among people who grow up in low-SES househ...
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Breaking Biology News(10 mins):White House honors Clemson professor as 'Champion of Change' for solar deployment 2Drought and fire in the Amazon lead to sharp increases in forest tree mortality 2Drought and fire in the Amazon lead to sharp increases in forest tree mortality 3Methane climate change risk suggested by proof of redox cycling of humic substances 2
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Breaking Medicine News(10 mins):Health News:Stanford scientists identify source of most cases of invasive bladder cancer 2Health News:Stanford scientists identify source of most cases of invasive bladder cancer 3Health News:Stanford scientists identify source of most cases of invasive bladder cancer 4Health News:Stanford scientists identify source of most cases of invasive bladder cancer 5Health News:Religious music brings benefit to seniors' mental health 2Health News:New study suggests a better way to deal with bad memories 2Health News:New study suggests a better way to deal with bad memories 3Health News:New research shows people are thinking about their health early in the week 2Health News:Chronic inflammation may be linked to aggressive prostate cancer 2Health News:Chronic inflammation may be linked to aggressive prostate cancer 3
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