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Common soluble proteins become insoluble and form aggregates while aging: Study

In neurodegenerative diseases, clumps of insoluble proteins appear in patients' brains. These aggregates contain proteins that are unique to each disease, such as amyloid beta in Alzheimer's disease, but they are intertwined with small amounts of many other insoluble proteins that are normally present in a soluble form in healthy young individuals. For years, these other proteins were thought to be accidental inclusions in the aggregates, much as a sea turtle might be caught in a net of fish.Now, in a surprising new finding, researchers at the University of California, San Francisco, report that many of the proteins present as minor components of disease aggregates actually clump together as a normal part of aging in healthy individuals.

11 Aug 2010

Researchers identify perforant path brain passage associated with Alzheimer's disease

With the help of volunteers aged 18 to 89, UC Irvine researchers have identified for the first time in humans a long-hidden part of the brain called the perforant path. Scientists have struggled for decades to locate the tiny passage, which is believed to deteriorate gradually as part of normal aging and far more quickly due to Alzheimer's disease.

11 Aug 2010

Brain morphological changes associated with cyclic menstrual pain

Primary dysmenorrhea, or menstrual cramps, is the most common gynecological disorder in women of childbearing age. Lower abdominal pain starts with the onset of menstrual flow and this ongoing pain stimulus can cause alterations throughout the nervous system. In a study scheduled for publication in the September issue of PAIN, researchers report abnormal changes in the structure of the brain in PDM patients, whether or not they are in fact experiencing pain.

11 Aug 2010

Spinal muscular atrophy may lead to cardiac dysfunction: Study

Along with skeletal muscles, it may be important to monitor heart function in patients with spinal muscular atrophy (SMA). These are the findings from a study conducted by Nationwide Children's Hospital and published online ahead of print in Human Molecular Genetics. This is the first study to report cardiac dysfunction in mouse models of SMA.

11 Aug 2010

Scientists identify chemical system effective in cocaine-addiction cure

UT Southwestern Medical Center researchers have identified a chemical system in the brain that reacts differently in cocaine addicts, findings that could result in new treatment options for individuals addicted to the drug."We found that the amount of blood flow in areas of the brain known to be involved in the rewarding effects of cocaine and craving was different in cocaine addicts, compared with healthy subjects," said Dr. Bryon Adinoff, professor of psychiatry at UT Southwestern and lead author of a study that appeared in Neuropsychopharmacology. "Now we have a new target for pharmacologic intervention."

11 Aug 2010

ACD launches RNAscope Formalin-Fixed, Paraffin-Embedded Assay Kit

Advanced Cell Diagnostics, Inc., announces the launch and immediate availability of RNAscope™ FFPE Assay Kit, a line of RUO products designed to detect RNA biomarkers in routine Formalin-Fixed, Paraffin-Embedded tissue specimens with single molecule sensitivity.

From Advanced Cell Diagnostics 11 Aug 2010

Progestins have tumor-stage specific effects that determine promotion, suppression: Study

Progestins are used in hormone replacement therapies to counteract the negative effects of estrogen on the uterus and reduce the risk of uterine cancer. However, evidence in recent studies and clinical trials has demonstrated that progestins increase the risk of breast cancer. Now, University of Missouri researchers have compared four types of progestins used in hormone replacement therapies and found significantly different outcomes on the progression of breast cancer in an animal model depending on the type of progestins used.

11 Aug 2010

Study suggests zinc supplementation may reduce pneumonia risk

A high proportion of nursing facility residents were found to have low serum (blood) zinc concentrations during an observational study funded by the Agricultural Research Service (ARS) and the National Institute of Aging. The scientists found that those with normal blood zinc concentrations were about 50 percent less likely to develop pneumonia than those with low concentrations.

11 Aug 2010

Study results provide rationale for use of PI3K inhibitors in therapeutic settings

Research at the Babraham Institute, investigating how white blood cells known as B cells develop, has revealed that genes from the Phosphatidylinositol 3-kinase family of enzymes are critical in enabling the B cells to produce antibodies in the spleen and lymph nodes.

10 Aug 2010

Analytics helps solve critical cardiovascular service line problems

Do you know if your labs are providing the appropriate evidence-based care? Can you uncover root causes beneath changes in volume and outcome patterns? Can you track whether your heart program is slowing or growing, profitable or not? LUMEDX healthcare analytics can help.

10 Aug 2010

'Open Access - Open Data' Conference to take place December 13 - 14, 2010 in Cologne

From December 13 - 14, 2010, the "Open Access - Open Data" Conference will be taking place in Cologne. It is an international expert conference that will look closely on how the Open Access movement has developed within the last five years and what is going to happen within the next five to ten years. Additionally, the "Open Data Movement" that is gaining more and more importance will be under consideration.

10 Aug 2010

ROCK2 protein may be a good therapeutic target for autoimmune disorders: Research

Autoimmune disorders, including rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE), occur when an individual's immune system turns on other cells in the body. Inappropriate and excessive production of the soluble immune mediators IL-17 and IL-21 have been linked to several autoimmune disorders. Understanding the molecular mechanisms underlying this aberrant production might identify new therapeutic targets.

10 Aug 2010

Scientists identify compound to inhibit wild-type HIV-1 protease

Drug resistance remains a major problem in combating HIV infection, but a different approach to drug development could be the answer.Current viral inhibitors target the HIV-1 protease function with a competitive mechanism. Writing in the BJ ChemBio Knowledge Environment of the Biochemical Journal, Max Chang and colleagues from the Scripps Research Institute, La Jolla, suggest that pharmaceutical companies look at compounds that use an allosteric non-competitive mechanism of inhibition.

10 Aug 2010

Study finds 'grid cells' that help brain map locations outside hippocampus

"Grid cells," which help the brain map locations, have been found for the first time outside of the hippocampus in the rat brain, according to new research from the Norwegian University of Science and Technology (NTNU). The finding should help further our understanding of how the brain generates the internal maps that help us remember where we have been and how to get to where we want to go.

10 Aug 2010

Study: Training reduces occupational injuries among home health aides

Training can alleviate some of the pain that occupational injuries bring to the long-term care industry, according to Penn State researchers. The study looked at injuries among home health aides.

10 Aug 2010

Epitherix identifies potent and selective multiple chemical scaffolds against colorectal carcinoma

Epitherix, LLC, a privately held company focused on the discovery and development of novel Wnt pathway small molecule inhibitors for epithelial and leukemic cancers, today announced that it has identified multiple chemical scaffolds that are potent and selective against colorectal carcinoma. "We're very encouraged by our in vitro and in vivo data, especially considering the difficulty in drugging this pathway to date," said Dr. Osman Kibar, CEO of Epitherix.

10 Aug 2010

Brain-wave pattern study may lead to techniques for enhancing sleep spindles

People who have trouble sleeping in noisy environments often resort to strategies like earplugs or noise-cancelling headphones that muffle the sound, but a new study from investigators at Massachusetts General Hospital (MGH) may lead to ways to block disturbing sounds within the brain. In their report in the August 10 issue of Current Biology, the team reports finding a brain-wave pattern, reflecting activity of a key structure, that predicts the ease at which sleep can be disrupted by noise.

10 Aug 2010

Mild sleep restriction for several nights can affect cognitive tasks: Research

Many people are sleep restricted, either because they have to or because they choose to be, she says. "Instead of going to bed when they are tired, like they should, people watch TV and want to have an active social life," she says. "People count on catching up on their sleep on the weekends, but it may not be enough."

10 Aug 2010

Study on ethnic disparities in pediatric asthma in Latino and non-Latino children

A new study by researchers at the Bradley Hasbro Children's Research Center and the University of Puerto Rico may help explain some of the well-documented ethnic disparities in pediatric asthma.

10 Aug 2010

Ratios between males and females affect human longevity: Study

"Love stinks!" the J. Geils band told the world in 1980, and while you can certainly argue whether or not this tender and ineffable spirit of affection has a downside, working hard to find it does. It may even shorten your life.

10 Aug 2010