Brightsurf Science News & Current Events

May 20, 2012
High prevalence of bone disease in patients referred for pulmonary rehabilitation
There is a very high prevalence of osteopenia/osteoporosis among male patients with pulmonary disease, according to a new study from researchers in California.

Drug found for parasite that is major cause of death worldwide
Research by a collaborative group of scientists from UC San Diego School of Medicine, UC San Francisco and Wake Forest School of Medicine has led to identification of an existing drug that is effective against Entamoeba histolytica.

Study says children exposed to tobacco smoke face long-term respiratory problems
For more than three decades, researchers have warned of the potential health risks associated with exposure to environmental tobacco smoke (ETS), especially among children whose parents smoke.

Novel discovery by NUS scientists paves the way for more effective treatment of cancers
Evidence of how a drug-led compound suppresses tumor formation by depriving cancer cells of energy was found for the first time, thanks to Singapore scientists.

Lab tests show arthritis drug effective against global parasite
A team of researchers from UCSF and UC San Diego has identified an approved arthritis drug that is effective against amoebas in lab and animal studies, suggesting it could offer a low-dose, low cost treatment for the amoebic infections that cause human dysentery throughout the world.

Supercharged safflower
New varieties of the safflower plant containing the world's highest levels of valuable oleic acid are in the pipeline for Australian grain growers.

New approach to 'spell checking' gene sequences
A Ph.D. student from CSIRO and the University of Queensland has found a better way to 'spell check' gene sequences.

Earth's water cycle intensifying with atmospheric warming
A clear change in salinity has been detected in the world's oceans, signaling shifts and an acceleration in the global rainfall and evaporation cycle.

Study evaluates use of inhaled saline for young children with cystic fibrosis
Margaret Rosenfeld, M.D., M.P.H., of Seattle Children's Hospital, and colleagues conducted a study to examine if hypertonic saline would reduce the rate of pulmonary exacerbations in children younger than 6 years of age with cystic fibrosis (CF).

Growth factor in stem cells may spur recovery from MS
A substance in human mesenchymal stem cells that promotes growth appears to spur restoration of nerves and their function in rodent models of multiple sclerosis, researchers at Case Western Reserve University School of Medicine have found.

Good news for nanomedicine: Quantum dots appear safe in pioneering study on primates
A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases like cancer through nanomedicine.

Low-dose CT screening may benefit individuals at increased risk for lung cancer
Peter B. Bach, M.D., of the Memorial Sloan-Kettering Cancer Center, New York, and colleagues conducted a systematic review to examine the evidence regarding the benefits and harms of low-dose computerized tomography (LDCT) screening for lung cancer, which is the leading cause of cancer death.

UW study: Sleep apnea associated with higher mortality from cancer
Sleep-disordered breathing, commonly known as sleep apnea, is associated with an increased risk of cancer mortality, according to a new study.

Discovery of mechanisms predicting response to new treatments in colon cancer
The Vall d'Hebron Institute of Oncology identifies biomarkers that predict resistance to treatment which will enable a better selection of patients who stand to benefit as well as avoid the administration of ineffective medicines.

Treatment of childhood OSA reverses brain abnormalities
Treatment of obstructive sleep apnea (OSA) in children normalizes disturbances in the neuronal network responsible for attention and executive function, according to a new study.

Study examines treatments for relieving breathing difficulties among patients with lung effusions
Helen E. Davies, M.D., of the University Hospital of Wales, Cardiff, and colleagues compared the effectiveness of treatments to relieve breathing difficulties among patients with malignant pleural effusion (presence of fluid in the pleural cavity [space between the outside of the lungs and the inside wall of the chest cavity], as a complication of malignant disease).

Soldiers who desecrate the dead see themselves as hunters
Modern day soldiers who mutilate enemy corpses or take body-parts as trophies are usually thought to be suffering from the extreme stresses of battle.

Relief of urinary symptoms is an underappreciated benefit of early stage prostate cancer treatment
Treatment of early stage prostate cancer can also result in improved quality of life for a subgroup of men who suffer from lower urinary tract symptoms (LUTS), according to an abstract of a Beth Israel Deaconess Medical Center-led study presented to the American Urological Association.

Concentrated saline therapy not effective in young children with cystic fibrosis
Inhaling concentrated saline (salt water) mist does not reduce how often infants and young children with cystic fibrosis need antibiotics for respiratory symptoms, according to findings from a clinical trial sponsored by the National Heart, Lung, and Blood Institute, part of the National Institutes of Health.

4 acute mushroom poisonings in 2 weeks
In a matter of two weeks last fall, four unrelated patients were treated at MedStar Georgetown University Hospital for mushroom (amanitin) poisoning.

First, do no harm: Study finds danger in standard treatment for a serious lung disease
A combination of three drugs used worldwide as the standard of care for a serious lung disease puts patients in danger of death or hospitalization, and should not be used together to treat the disease, called idiopathic pulmonary fibrosis, according to the surprising results of a rigorous independent study.

Blocking DNA: HDAC inhibitor targets triple negative breast cancer
The histone de-acetylase inhibitor panobinostat is able to target and destroy triple negative breast cancer, reveals a new study published in BioMed Central's open-access journal Breast Cancer Research.

Latest Southern Ocean research shows continuing deep ocean change
New research by teams of Australian and US scientists has found there has been a massive reduction in the amount of Antarctic Bottom Water found off the coast of Antarctica.

Scientists discover distinct molecular subtype of prostate cancer
A collaborative expedition into the deep genetics of prostate cancer has uncovered a distinct subtype of the disease, one that appears to account for up to 15 percent of all cases, say researchers at Weill Cornell Medical College, the Broad Institute of MIT and Harvard and the Dana-Farber Cancer Institute.

Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector
A team of engineers at Stanford and the University of Pennsylvania has for the first time used

Scientists identify new target to battle rheumatoid arthritis
A new study led by researchers at Hospital for Special Surgery identifies the mechanism by which a cell signaling pathway contributes to the development of rheumatoid arthritis (RA).

Outstanding young gastroenterologists receive AGA Research Foundation awards
The American Gastroenterological Association Research Foundation has announced its 2012 research scholars.

Impact of MRSA nasal colonization on surgical site infections after gastrointestinal surgery
Methicillin-resistant Staphylococcus (MRSA) nasal colonization is associated with longer hospital stays and an increase in surgical site infections (SSI) in patients undergoing major gastrointestinal surgery, according to a new study from Scott and White Memorial Hospital, Temple, Texas.

Experimental bariatric surgery controls blood sugar in rats with diabetes
For the first time, scientists at the Toronto General Hospital Research Institute have shown that an experimental bariatric surgery can lower blood sugar levels in rats with type 1 diabetes.

OSA can be managed successfully in the primary care setting
Patients with moderate-to-severe obstructive sleep apnea can be successfully managed in a primary care setting by appropriately trained primary care physicians and community-based nurses, according to Australian researchers.

Statins prevent cancer in heart transplant recipients
Statins prevent cancer and reduce death from all causes in heart transplant recipients.

Prenatal exposure to pollution especially dangerous for children with asthma
The link between prenatal exposure to air pollution and childhood lung growth and respiratory ailments has been established by several studies in recent years, and now a new study suggests that these prenatal exposures can be especially serious for children with asthma.

Risk factors for an exacerbation-prone asthma phenotype
A number of specific risk factors are associated with an exacerbation-prone phenotype of severe asthma, according to a new study from researchers in Sweden.

ASGE holds Crystal Awards Dinner as part of Digestive Disease Week
The American Society for Gastrointestinal Endoscopy (ASGE) will honor important contributions to the field of endoscopy during the eighth annual ASGE Crystal Awards on Sunday, May 20, 2012.

Sleep disordered breathing is associated with an increased risk of cancer mortality
Sleep disordered breathing, which is associated with an increased risk of adverse cardiovascular events and psychopathological outcomes, is also associated with an increased risk of cancer mortality, according to a new study.

Songbirds' learning hub in brain offers insight into motor control
To learn its signature melody, the male songbird uses a trial-and-error process to mimic the song of its father, singing the tune over and over again, hundreds of times a day, making subtle changes in the pitch of the notes. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to