Research news

Brain surgery evolves to destroy rogue blood vessels

Medicine & Health / Research

9 hours ago | not rated yet | 0

(PhysOrg.com) -- Over three decades, a world-recognized medical team at UC San Diego Medical Center has spurred the evolution of a complex surgery to destroy dangerous clusters of arteries and veins in the brain. Integrating ...

Diet high in methionine could increase risk of Alzheimers

Medicine & Health / Research

20 hours ago | 3.3 / 5 (7) | 3

(PhysOrg.com) -- Temple study suggests that an amino acid found in red meats, fish, beans and other foods may increase possibility of dementia.

Stem-cell activators switch function, repress mature cells

Medicine & Health / Research

14 hours ago | not rated yet | 0

In a developing animal, stem cells proliferate and differentiate to form the organs needed for life. A new study shows how a crucial step in this process happens and how a reversal of that step contributes to cancer.

Low cholesterol transfer protein activity associated with heart disease risk

Medicine & Health / Research

Dec 15, 2009 | 5 / 5 (1) | 0

Although seen as a potential heart disease therapy, raising high-density lipoprotein (HDL) cholesterol levels by inhibiting activity of a transfer protein may not be effective, a new study suggests. Scientists at the Jean ...

FDA researchers identify new MRI safety risk for patients with pacemakers

Medicine & Health / Research

Dec 15, 2009 | 2 / 5 (1) | 0

FDA researchers have found that certain cardiac pacemakers may inadequately stimulate a patient's heart while undergoing a magnetic resonance imaging (MRI) scan due to the magnetic pulses mixing with the electronic pulses ...

Intensive therapy for narrowed arteries linked to fewer heart events

Medicine & Health / Research

Dec 15, 2009 | not rated yet | 0

Intensive medical therapy, including aggressive control of blood pressure and cholesterol levels, for patients with asymptomatic plaque buildup in their carotid arteries (which supply blood to the brain) appears to be associated ...

Study strengthens link between sirtuins proteins and life extension

Medicine & Health / Research

Dec 14, 2009 | 4.8 / 5 (8) | 1

(PhysOrg.com) -- A new paper from MIT biology professor Leonard Guarente strengthens the link between longevity proteins called sirtuins and the lifespan-extending effects of calorie restriction.

Painkiller undermines aspirin's anti-clotting action

Medicine & Health / Research

Dec 14, 2009 | not rated yet | 0

Millions of Americans take Celebrex for arthritis or other pain. Many, if they are middle-aged or older, also take a low-dose aspirin tablet daily to reduce the risk of heart attack and stroke. Yet they may be getting little ...

Gas improves blood flow and organ status during minimally invasive surgery

Medicine & Health / Research

Dec 14, 2009 | not rated yet | 0

As good as laparoscopy is in preventing some of the stresses of open surgery on the body, it does have drawbacks, including reduced blood flow and organ dysfunction. Laparoscopy is a type of surgery in the abdomen done through ...

Scientists set their sights on hearing breakthrough for babies

Medicine & Health / Research

Dec 11, 2009 | 5 / 5 (2) | 0

(PhysOrg.com) -- The first year to two years of life is a critical time for hearing impaired children and their language development. Whilst young babies with hearing difficulties can now be fitted with cochlear ...

Most eligible patients miss out on cardiac resynchronization therapy for heart failure

Medicine & Health / Research

Dec 11, 2009 | 5 / 5 (2) | 0

Most patients with heart failure likely to benefit from a pacemaker including the capacity for cardiac resynchronization therapy (CRT) do not receive such an implantable device, reports a national study in the December 2009 ...

Study reveals H1N1 unexpected weakness

Medicine & Health / Research

Dec 10, 2009 | 4.8 / 5 (19) | 7

The H1N1 influenza virus has been keeping a secret that may be the key to defeating it and other flu viruses as well.

Mechanism discovered by which body's cells encourage tuberculosis infection

Medicine & Health / Research

Dec 10, 2009 | 4 / 5 (1) | 0

Scientists have discovered a signaling pathway that tuberculosis bacteria use to coerce disease-fighting cells to switch allegiance and work on their behalf. Epithelial cells line the airways and other surfaces ...

Stanford researchers develop the next generation of retinal implants

Medicine & Health / Research

Dec 10, 2009 | 4.9 / 5 (10) | 1

(PhysOrg.com) -- A team of Stanford researchers has developed a new generation of retinal implants that aims to provide higher resolution and make artificial vision more natural.

Tiny molecule slows progression of Lou Gehrig's disease in mice

Medicine & Health / Research

Dec 10, 2009 | not rated yet | 0

Researchers at UT Southwestern Medical Center have found that a molecule produced naturally by muscles in response to nerve damage can reduce symptoms and prolong life in a mouse model of amyotrophic lateral sclerosis (ALS). ...

From fruit fly wings to heart failure -- why Not(ch)?

Medicine & Health / Research

Dec 10, 2009 | not rated yet | 0

Almost a century after it was discovered in fruit flies with notches in their wings, the Notch signalling pathway may come to play an important role in the recovery from heart attacks. In a study published ...

Successful stem cell therapy for treatment of eye disease

Medicine & Health / Research

Dec 10, 2009 | not rated yet | 0

Newly published research, by investigators, at the North East England Stem Cell Institute (NESCI) in the journal Stem Cells reported the first successful treatment of eight patients with "Limbal Stem Cell Deficiency" (LSCD) ...

Extended youthfulness as a prevention for Alzheimer's disease

Medicine & Health / Research

Dec 10, 2009 | 4 / 5 (1) | 0

Therapies that can keep us younger longer might also push back the clock on Alzheimer's disease, suggests a new study of mice in the December 11th issue of the journal Cell, a Cell Press publication.