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Resistant bacteria in streams and rivers fueled by triclosan
Date: Sep-23-2013Triclosan - a synthetic antibacterial widely used in personal care products - is fueling the development of resistant bacteria in streams and rivers. So reports a new paper in the journal Environmental Science and Technology, which is the first to document triclosan resistance in a natural environment. Invented for surgeons in the 1960s, triclosan slows or stops the growth of bacteria, fungi, and mildew. Currently, around half of liquid soaps contain the chemical, as well as toothpastes, deodorants, cosmetics, liquid cleansers, and detergents...
Eliminating life-threatening medical errors the aim of first real-time detector for IV delivered drugs
Date: Sep-23-2013Today, computerized smart systems can deliver drugs intravenously in exact volumes to hospital patients. However, these systems cannot recognize which medications are in the tubing nor can they determine the concentration of the drug in the tubing. This lack of precise information can lead to medication errors with serious consequences...
Advances in molecular biomarkers that hold the key to early detection of cancer, heart disease, Alzheimer's highlighted
Date: Sep-23-2013Diagnosing diseases, such as cancer, heart disease and Alzheimer's, at their earliest stages and monitoring the earliest responses to therapy, requires careful detection of molecular biomarkers. �Significant advances in the development of non-invasive imaging methods to detect molecular biomarkers were highlighted in science presented this week at the World Molecular Imaging Congress (WMIC) 2013 in Savannah, GA...
UC Davis researchers find how viral infection disrupts neural development in offspring, increasing risk of autism
Date: Sep-23-2013Activating a mother's immune system during her pregnancy disrupts the development of neural cells in the brain of her offspring and damages the cells' ability to transmit signals and communicate with one another, researchers with the UC Davis Center for Neuroscience and Department of Neurology have found. They said the finding suggests how maternal viral infection might increase the risk of having a child with autism spectrum disorder or schizophrenia...
New report reveals global Alzheimer's epidemic creating shortage of caregivers and lack of support for family members
Date: Sep-23-2013The World Alzheimer Report 2013 'Journey of Caring: An analysis of long-term care for dementia', calls for governments around the world to make dementia a priority by implementing national plans, and by initiating urgent national debates on future arrangements for long-term care. Alzheimer's Disease International (ADI) and Bupa commissioned a team of researchers, led by Professor Martin Prince from King's College London, to produce the report...
New insights into the working of the brain and Alzheimer's disease
Date: Sep-23-2013Scientists of the Charite - Universitatsmedizin Berlin and the German Center for Neurodegenerative Diseases (DZNE) have managed to acquire new insights into the functioning of a region in the brain that normally is involved in spatial orientation, but is damaged by the Alzheimer's disease. They investigated how nerve signals are suppressed inside the so-called entorhinal cortex. According to the researchers, this neuronal inhibition leads nerve cells to synchronize their activity. The results of this study are now published in Neuron...
New radiation therapy technology takes weeks off of lung cancer treatments - Elekta's Versa HD™
Date: Sep-23-2013On September 4, Kettering Medical Center (Kettering, Ohio) became the first clinic in North America to use Elekta's Versa HD™ system to treat a patient, a 71-year-old woman with medically inoperable lung cancer. The rapid speed of radiosurgery with Versa HD enabled Kettering physicians to reduce the number of treatment sessions for this patient from seven weeks to three days. In addition, each treatment session decreased from 40 minutes to less than 10 minutes...
A new drug target for Batten disease
Date: Sep-23-2013An antioxidant drug that alleviates cell death and extends lifespan in a mouse model of Batten disease - a devastating childhood neurodegenerative disorder - is reported online this week in Nature Neuroscience. These results indicate that drugs with similar properties can potentially be used to treat the disease, as well as other diseases caused by comparable deficiencies...
Pre-existing T cell responses protect against influenza
Date: Sep-23-2013CD8+ T immune cells that are present prior to infection and are specific for influenza virus are associated with reduced severity of influenza-associated illness in people who have been naturally infected. These findings, reported online this week in Nature Medicine, provide support for the development of influenza vaccines aimed at enhancing T cell responses. Vaccines against influenza induce a strong but short-lived antibody response that frequently lacks the ability to neutralize viral strains that are not components of the vaccine...
Extinguishing fear responses during sleep
Date: Sep-23-2013People's memories of fearful events can be specifically diminished during sleep, reports a study published online this week in Nature Neuroscience. These findings add to our understanding of the types of learning that can occur during sleep, and may inform our efforts to treat fear disorders, such as post-traumatic stress disorder. Katherina Hauner and colleagues trained participants to associate an odor with a mild electric shock. They found that individuals would experience a fear response, measured by the amount they sweat, when they smelled that odor later in the day...
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