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Glutamine supplements show promise in treating stomach ulcers

BOSTON Nearly 20 years ago, it was discovered that bacteria known as Helicobacter pylori were responsible for stomach ulcers. Since then, antibiotics have become the primary therapy used to combat the H. pylori infection, which affects approximately six percent of the world population and is ...

Caltech scientists show why anti-HIV antibodies are ineffective at blocking infection

PASADENA, Calif.--Some 25 years after the AIDS epidemic spawned a worldwide search for an effective vaccine against the human immunodeficiency virus (HIV), progress in the field seems to have effectively become stalled. The reason? According to new findings from a team of researchers from the Cali...

Satellites show how Earth moved during Italy quake

Studying satellite radar data from ESA's Envisat and the Italian Space Agency's COSMO-SkyMed, scientists have begun analysing the movement of Earth during and after the 6.3 earthquake that shook the medieval town of L'Aquila in central Italy on 6 April 2009. Scientists from Italy's Istituto per...

Findings show insulin -- not genes -- linked to obesity

WEST LAFAYETTE, Ind. - Researchers have uncovered new evidence suggesting factors other than genes could cause obesity, finding that genetically identical cells store widely differing amounts of fat depending on subtle variations in how cells process insulin. Learning the precise mechanism resp...

New medications show promise in treating drug-resistant prostate cancer

A new therapy for metastatic prostate cancer has shown considerable promise in early clinical trials involving patients whose disease has become resistant to current drugs. Of 30 men who received low doses of one the drugs in a multisite phase I/II trial designed to evaluate safety, 22 showed a...

UBC study first to show evolution's impact on ecosystems

Scientists have come to agree that different environments impact the evolution of new species. Now experiments conducted at the University of British Columbia are showing for the first time that the reverse is also true. Researchers from the UBC Biodiversity Research Centre created mini-ecosyst...

West Nile virus studies show how star-shaped brain cells cope with infection

A new study published as the cover article for the April 2009 issue of The FASEB Journal ( http://www.fasebj.org ) promises to give physicians new ways to reduce deadly responses to viral infections of the brain and spinal cord. In the report, scientists from Columbia University, NY, detail for...

Multiple route bone marrow stem cell injections show promise to treat spinal cord injury

Tampa, Fla. (Mar. 12, 2009) Researchers from DaVinci Biosciences, Costa Mesa, California, in collaboration with Hospital Luis Vernaza in Ecuador, have determined that injecting a patient's own bone marrow-derived stem cells (autologous BMCs) directly into the spinal column using multiple routes c...

Swimmers at public beaches show increased risk of exposure to contagious staph bacteria

Research, funded by multiple agencies and conducted by the University of Miami's Rosenstiel School of Marine and Atmospheric Science and Leonard M. Miller School of Medicine, found that swimmers using public ocean beaches increase their risk for exposure to staph organisms, and may increase their ...

Weizmann Institute scientists show extra copies of a gene carry extra risk

Is more of a good thing better? A gene known as LIS1 is crucial for ensuring the proper placement of neurons in the developing brain. When an LIS1 gene is missing, brains fail to develop the characteristic folds; babies with lissencephaly or 'smooth brain' are born severely mentally retarded. But ...

UCSB scientists show how certain vegetables combat cancer

(Santa Barbara, Calif.) Women should go for the broccoli when the relish tray comes around during holiday celebrations this season. While it has been known for some time that eating cruciferous vegetables, such as broccoli, cauliflower, and cabbage, can help prevent breast cancer, the mechanis...

'Strained' quantum dots show new optical properties

Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier. However, if doctors were to use them in humans, quantum dots could have limitations related to their size and possible toxicity. Scientists at Emory University and the Georgi...

Caltech scientists show function of helical band in heart

PASADENA, Calif.--Scientists from the California Institute of Technology (Caltech) have created images of the heart's muscular layer that show, for the first time, the connection between the configuration of those muscles and the way the human heart contracts. More precisely, they showed that t...

2 new compounds show promise for eliminating breast cancer tumors

Two new compounds created by a University of Central Florida professor show early promise for destroying breast cancer tumors. Associate Professor James Turkson's compounds disrupt the formation and spread of breast cancer tumors in tests on mice. The compounds, S3I-201 and S3I-M2001, break up...

Two new compounds show promise for eliminating breast cancer tumors

Two new compounds created by a University of Central Florida professor show early promise for destroying breast cancer tumors. Associate Professor James Turkson's compounds disrupt the formation and spread of breast cancer tumors in tests on mice. The compounds, S3I-201 and S3I-M2001, break up...

UD researchers show that plants can accumulate nanoparticles in tissues

Researchers at the University of Delaware have provided what is believed to be the first experimental evidence that plants can take up nanoparticles and accumulate them in their tissues The laboratory study, which involved pumpkin plants, indicates a possible pathway for nanoparticles to enter ...

Phase III data show efficacy/safety of iclaprim in patients with complicated skin infections

Reinach, Switzerland, 26 October 2008 Arpida (SWX: ARPN) today presented the combined results from two pivotal Phase III clinical trials at the 48th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC)/Infectious Diseases Society of America (IDSA) 46th annual meeting in Washin...

12-month ATLANTA trial data show sustained benefit of Catania Stent

WASHINGTON, Oct. 13 -- Clinical investigators at today's "Innovative Devices and Futuristic Therapies" session during the 20th annual Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium, sponsored by the Cardiovascular Research Foundation, presented 12-month follow-up data from th...

Cardiac cell transplant studies show promise in cardiac tissue repair

Tampa, Fla. (Sep. 3rd, 2008) Two studies published in the current issue of CELL TRANSPLANTATION (17:6) examine the efficacy of transplanting bone marrow cells (BMCs) for the repair of heart tissue. The first study found that implanting adult cardiomyocytes (heart muscle cells) in combination...

Biodegradable polymers show promise for improving treatment of acute inflammatory diseases

A family of biodegradable polymers called polyketals and their derivatives may improve treatment for such inflammatory illnesses as acute lung injury, acute liver failure and inflammatory bowel disease by delivering drugs, proteins and snips of ribonucleic acid to disease locations in the body. ...

Dry Tortugas show positive trends: Protected area slowly rebounding

VIRGINIA KEY, Fla. -- A team of 38 research divers from the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science, NOAA Fisheries Service, the Florida Fish and Wildlife Conservation Commission, the National Park Service, REEF, and the University of North Carolina at Wilmingt...

Tests show LLNL detection instrument can monitor the air for all major terrorist threat substances

Security and law enforcement officials may some day have a new ally - a universal detection system that can monitor the air for virtually all of the major threat agents that could be used by terrorists. This type of system is under development by a team of Lawrence Livermore National Laboratory...

Beaded viruses and geology-inspired paintings show the art in science

Holly Wichman found herself an empty-nester with a well-established research lab in 2000, so she used some of her new found time to pursue an artistic activity that paralleled her research. The virologist began making small beaded sculptures in the shapes of viruses that she studies in her lab. Wi...

Study findings show infection control intervention helps keep kids in school

BOSTON, June 2, 2008 A study from researchers at Children's Hospital Boston published in Pediatrics found that a simple infection control intervention in elementary schools disinfecting frequently-touched surfaces and using alcohol-based hand sanitizers helped reduce illness-related student abs...

NOAA reports coastal waters show decline in contaminants

NOAA scientists today released a 20-year study showing that environmental laws enacted in the 1970s are having a positive effect on reducing overall contaminant levels in coastal waters of the U.S. However, the report points to continuing concerns with elevated levels of metals and organic contam...

Prions show their good side

Prions, the infamous agents behind mad cow disease and its human variation, Creutzfeldt-Jakob Disease, also have a helpful side. According to new findings from Gerald Zamponi and colleagues, normally functioning prions prevent neurons from working themselves to death. The findings appear in the Ma...

Fruit flies show how salmonella escapes immune defenses

Salmonella are wily and obnoxious bacterial invaders--escape artists capable of evading multiple immune responses and causing a harsh and debilitating intestinal infection. Researchers have come closer to understanding how these bacteria manage to thwart two major categories of immune defenses...

2 new therapies show promise for cancer patients

San Diego and PhoenixApril 15, 2008Clinical researchers at Scottsdale Healthcare and TGen today announced the results of two clinical trials that show promise for patients battling cancer. The Phase I clinical trial findings, presented at the this weeks Annual Meeting of the American Associati...

Negligent, attentive mouse mothers show biological differences

MADISON - In mice, child neglect is a product of both nature and nurture, according to a new study. Writing in the journal PLoS ONE on April 9, researchers from the University of Wisconsin-Madison describe a strain of mice that exhibit unusually high rates of maternal neglect, with approximatel...

Smithsonian researchers show major role of bats in plant protection

Researchers at the Smithsonian Tropical Research Institute report that bats significantly reduce insect abundance and damage on plants. In a lowland tropical rainforest in Panama, bats can consume roughly twice as many plant-eating insects as do birds. This landmark study in the journal Science is...

Common aquatic animals show extreme resistance to radiation

CAMBRIDGE, Mass., March 25, 2008 -- Scientists at Harvard University have found that a common class of freshwater invertebrate animals called bdelloid rotifers are extraordinarily resistant to ionizing radiation, surviving and continuing to reproduce after doses of gamma radiation much greater tha...

BARACLUDE data show low resistance over 5 years in nucleoside-naive hepatitis B patients

(PRINCETON, NJ, March 24, 2008) New BARACLUDE (entecavir) data presented today demonstrated a continued low incidence of resistance in nucleoside-nave patients through five years of treatment. In the nucleoside-nave chronic hepatitis B patients analyzed, no additional patient developed resistanc...

Yale scientists show that a microRNA can reduce lung cancer growth

New Haven, Conn. A small RNA molecule, known as let-7 microRNA (miRNA), substantially reduced cancer growth in multiple mouse models of lung cancer, according to work by researchers at Yale University and Asuragen, Inc., published in the journal Cell Cycle. Cancer afflicts 1.5 million people...

Scientists show that streams are critical to preservation of oceanic coastal zones

The plight of the worlds oceans is dire, according to recent studies, through insults from human-derived activities depopulating and damaging reefs, altering coastlines, and creating pollutants, such as nitrogen runoff from terrestrial watersheds. A study by 31 aquatic biologists involving 72 ...

Seismic images show dinosaur-killing meteor made bigger splash

AUSTIN, TexasThe most detailed three-dimensional seismic images yet of the Chicxulub crater, a mostly submerged and buried impact crater on the Mexico coast, may modify a theory explaining the extinction of 70 percent of life on Earth 65 million years ago. The Chicxulub crater was formed when a...

New clinical trial results show how personalized medicine will alter treatment of genetic disorders

WASHINGTON, DC--One of the nations pre-eminent genetic researchers, Eric Hoffman, PhD, of Childrens Research Institute at Childrens National Medical Center, predicts that in relatively short order, medicines next innovation--individualized molecular therapies--will have the unprecedented ability t...

Nanotube-producing bacteria show manufacturing promise

RIVERSIDE, Calif. Two engineers at the University of California, Riverside are part of a binational team that has found semiconducting nanotubes produced by living bacteria a discovery that could help in the creation of a new generation of nanoelectronic devices. The research team believes th...

Dartmouth researchers show effects of low dose arsenic on development

HANOVER, NH -- A team of Dartmouth Medical School (DMS) researchers has determined that low doses of arsenic disrupt the activity of a hormone critical in development. The finding is further evidence that arsenic at low doses (at levels found in U.S. drinking water in some areas) can be harmful...

Children with gene show reduced cognitive function

PORTLAND, Ore. - Children who possess a gene known to increase the risk of Alzheimer's disease already show signs of reduced cognitive function, an Oregon Health & Science University study has found. Scientists in the OHSU School of Medicine discovered that 7- to 10-year-olds with a member of ...

2 carotid artery stenting studies show results comparable to AHA guidelines

Washington D.C., October 23, 2007 - Two carotid stenting trials examining patient outcomes demonstrated results that are comparable to guidelines established by the American Heart Association (AHA) for patients treated with carotid artery surgery. The results of these studies were presented today ...
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