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Parkinson's-linked mutation makes neurons vulnerable to calcium-induced death

A new study reveals the mechanism by which a genetic mutation linked with Parkinson's disease (PD) renders dopamine neurons particularly vulnerable to cell injury and death. The research is published...

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Zero in on ozone with fluorescent solution that detects harmful molecule in...

Researchers at the University of Pittsburgh have developed a fluorescent substance that glows bright green when exposed to even minute amounts of ozone in the air and in biological samples such as...

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Researchers show new antioxidant could help treat cardiovascular disease

(PhysOrg.com) -- Researchers at the University of Glasgow believe they have found a potential new treatment for cardiovascular disease which reduces blood pressure.

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Enzyme may be a key to Alzheimer's-related cell death

(PhysOrg.com) -- A Purdue University researcher has discovered that the amount of an enzyme present in neurons can affect the mechanism thought to cause cell death in Alzheimer's disease patients and...

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Hybrid molecules show promise for exploring, treating Alzheimer's

One of the many mysteries of Alzheimer's disease is how protein-like snippets called amyloid-beta peptides, which clump together to form plaques in the brain, may cause cell death, leading to the...

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Pathogen protection and virulence: Dark side of fungal membrane protein revealed

Researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech and Montana State University have discovered a fungal protein that plays a key role in causing disease in plants and animals...

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Muscle loss finding may one day save physiques

Hey guys, remember the muscle shirts we wore in our teens and 20s? After the age of 40 that meager part of our wardrobes usually is obsolete. Yes, at the big 4-0 we begin to lose muscle, and by age 80...

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Flavonoids in orange juice suppress oxidative stress from high-fat, high-carb...

Eating foods containing flavonoids -- orange juice, in this case -- along with a high-fat, high-carbohydrate fast-food meal neutralizes the oxidative and inflammatory stress generated by the unhealthy...

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Want to slow aging? New research suggests it takes more than antioxidants

Don't put down the red wine and vitamins just yet, but if you're taking antioxidants because you hope to live longer, consider this: a new study published in the June 2010 issue of the journal Genetics...

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Replacing hydrogen in fluorescent dyes improves detection ability, stability...

By swapping out one specific hydrogen atom for an isotope twice as heavy, researchers have increased the shelf life and detection ability of fluorescent probes that are essential to studying a variety...

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Neuron-damaging mechanism discovered in mouse model of inherited amyotrophic...

New research uncovers what may be a primary neuron-damaging insult that occurs in an inherited form of a devastating neurodegenerative disorder. The study, published by Cell Press in the August 26th...

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Thioketal nanoparticles: Researchers develop oral delivery system to treat...

(PhysOrg.com) -- Researchers at the Georgia Institute of Technology and Emory University have developed a novel approach for delivering small bits of genetic material into the body to improve the...

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Nanotechnology: A dead end for plant cells?

Using particles that are 1/100,000 the width of a human hair to deliver drugs to cells or assist plants in fighting off pests may sound like something out of a science fiction movie, but these...

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Neural stem cells maintain high levels of reactive oxygen species, study finds

For years, the majority of research on reactive oxygen species (ROS) – ions or very small molecules that include free radicals – has focused on how they damage cell structure and their potential link...

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Antioxidants cause fertility problems in females: study

Antioxidants are sold over the counter everywhere. They're added to food, drink and face cream. But according to Prof. Nava Dekel of the Biological Regulation Department, we still don't have a complete...

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Scientists find key mechanism of childhood respiratory disease

Researchers have identified a critical part of the process by which one of the world's most common and dangerous early childhood infections, respiratory syncytial virus, causes disease.

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Measuring oxidative stress can predict risk of atrial fibrillation

Measuring oxidative stress may help doctors predict the risk of developing atrial fibrillation, the most common heart beat irregularity. Research from Emory University School of Medicine has identified...

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Copper iodide nanoparticles effective against 2009 pandemic H1N1 influenza virus

Copper-iodide nanoparticles have long-lasting antiviral activity against the 2009 pandemic H1N1 influenza virus, according to a paper in the February issue of the journal Applied and Environmental...

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New anti-inflammatory drugs pinch off reactive oxygen species at the source

Scientists at Emory University School of Medicine have identified a new type of anti-inflammatory compound that may be useful in treating a wide range of conditions, including neurodegenerative and...

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Researchers discover that 'red tide' species is deadlier than first thought

A University of Connecticut researcher and his team have discovered that a species of tiny aquatic organism prominent in harmful algal blooms sometimes called "red tide" is even deadlier than first...

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