ScienceDaily Health Headlines
for Saturday, August 14, 2010
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New sporadic prion protein disease: Variably protease-sensitive prionopathy shares genotype characteristics with Creutzfeldt-Jakob (August 13, 2010) -- A new sporadic prion protein disease has been discovered. Variably protease-sensitive prionopathy, as it has been named, is the second type of complete sporadic disease to be identified since Creutzfeldt-Jakob disease was reported in the 1920s. ... > full story
Implantable silk metamaterials could advance biomedicine, biosensing (August 13, 2010) -- Researchers have fabricated and characterized the first large-area metamaterial structures patterned on implantable, bio-compatible silk substrates. The antenna-like devices can monitor the "fingerprints" of chemical and biological agents and might be implanted to signal changes in the body. Metamaterials are artificial electromagnetic composites whose structures respond to electromagnetic waves in ways that atoms in natural materials do not. ... > full story
Chronic myeloid leukemia: New lab test could identify imatinib resistance (August 13, 2010) -- Scientists in Japan may have developed a way to accurately predict those patients who will resist treatment with imatinib, which is the standard of care for chronic myeloid leukemia. ... > full story
'Fused' people eager to die and kill for their group, research shows (August 13, 2010) -- People with extremely strong ties to their countries or groups are not only willing, but eager, to sacrifice themselves to save their compatriots, according to new psychology research. ... > full story
Acetaminophen use in adolescents linked to doubled risk of asthma (August 13, 2010) -- New evidence linking the use of acetaminophen to development of asthma and eczema suggests that even monthly use of the drug in adolescents may more than double risk of asthma in adolescents compared to those who used none at all; yearly use was associated with a 50 percent increase in the risk of asthma. ... > full story
Magnetic molecular machines deliver drugs to unhealthy cells (August 13, 2010) -- Researchers have developed a completely novel and noninvasive method of releasing drugs remotely into the cells. The method involves a novel material using porous silica nanoparticles, and molecular machines which can be attached to contain drug molecules in the pores until a magnetic field stimulus allows the molecules to be delivered into cells. ... > full story
Selected cells from blood or bone marrow may provide a route to healing blood vessels (August 13, 2010) -- When envisioning cell therapy for cardiovascular disease, a team of scientists is focusing on cells that nourish blood vessels, rather than on rare stem cells. In experiments with mice, CD31 positive cells from the blood or bone marrow can effectively treat hindlimb ischemia -- a model of peripheral artery disease. This approach has the potential to be safer and less arduous than experimental therapies involving the isolation of stem cells from bone marrow. ... > full story
Trusting people make better lie detectors (August 13, 2010) -- Trusting others may not make you necessarily a fool or a Pollyanna, according to a new study. Instead, it can be a sign that you're smart. ... > full story
Scientists identify DNA that may contribute to each person's uniqueness (August 13, 2010) -- Building on a tool that they developed in yeast four years ago, researchers scanned the human genome and discovered what they believe is the reason people have such a variety of physical traits and disease risks. ... > full story
Elevated heart rate over time linked to significant risk of death (August 13, 2010) -- An elevated resting heart rate that develops or persists during follow-up is associated with a significantly increased risk of death, whether from heart disease or other causes, researchers from the Ronald O. Perelman Heart Institute at NewYork-Presbyterian Hospital/Weill Cornell Medical Center found studying outcomes in more than 9,000 patients. ... > full story
Painters at significantly increased risk of bladder cancer, study finds (August 13, 2010) -- Painters are at significantly increased risk of developing bladder cancer, concludes a comprehensive analysis of published evidence. ... > full story
Teaching robot helps children to use wheelchair (August 13, 2010) -- A robotic wheelchair is being developed that will help children learn to 'drive'. In a new article, researchers describe the testing of ROLY -- robot-assisted learning for young drivers -- in a group of children without disabilities and one child with cerebral palsy. ... > full story
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