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Single-walled carbon nanotubes may pose health risks

DNA-wrapped single-walled carbon nanotubes (SWCNTs) shorter than about 200 nanometers readily enter into human lung cells and so may pose an increased risk to health, according to scientists at the National Institute of Standards and Technology (NIST).

2 Apr 2007

Actigraphy helps assess and manage sleep disorders

Actigraphy, the use of a portable device that records movement over extended periods of time, and has been used extensively in the study of sleep and circadian rhythms, provides an acceptably accurate estimate of sleep patterns in normal, healthy adult populations and in-patients suspected of certain sleep disorders, according to practice parameters published in the April 1st issue of the journal SLEEP.

2 Apr 2007

Potential new cancer diagnosis and treatment options

By recognizing sugars, a technique developed by University of Michigan analytical chemist Kristina Hakansson sets the stage for new cancer diagnosis and treatment options.

2 Apr 2007

MedImmune licenses reverse genetics technology to sanofi pasteur

MedImmune has announced that it has licensed its proprietary reverse genetics intellectual property to sanofi pasteur, the vaccines business of the sanofi-aventis Group, to support the development and construction of new vaccine strains to produce human seasonal, pre-pandemic and pandemic influenza vaccines.

1 Apr 2007

GlaxoSmithKline submits Biologics License Application (BLA) for CERVARIX

If licensed, the vaccine will be indicated for the prevention of cervical cancer and precancerous lesions associated with the most common cancer-causing human papillomavirus types.

1 Apr 2007

Performing x-rays using iodine dye increases risk for kidney failure

Performing x-rays using iodine dye places patients with impaired kidney function at increased risk for kidney failure. Known as Contrast-Induced Nephropathy (ne-FROPP-a- thee) or ''CIN,'' this complication is the third most common cause of hospital-acquired kidney failure in the United States and Europe, accounting for 10-12 percent of all such cases.

1 Apr 2007

GlaxoSmithKline files European meningococcal conjugate vaccine

GlaxoSmithKline has announced the submission of a regulatory file to European Medicines Agency (EMEA) under Article 58 for the combination vaccine candidate Globorix (diphtheria, tetanus, pertussis, hepatitis B, Haemophilus influenzae type b, Neisseria meningitides serogroups A and C).

1 Apr 2007

Iron nanoparticles exhibit toxic effects on neuronal cells

Researchers at UC San Diego have discovered that iron-containing nanoparticles being tested for use in several biomedical applications can be toxic to nerve cells and interfere with the formation of their signal-transmitting extensions.

1 Apr 2007

Diabetes and high blood pressure play a much greater role heart failure

Diabetes and high blood pressure, two conditions rooted in genetics and environmental surroundings, play a much greater role than race alone in determining who is mostly likely to develop heart failure, according to the latest study from cardiologists at Johns Hopkins.

1 Apr 2007

Next generation drugs designed from 3D protein models

The next generation of drugs will be designed on the basis of 3D protein models that scientists are creating. The Structural Genomics Consortium laboratory at Swedish medical university Karolinska Institutet has now made available the structure of PARP3, the four hundredth structure in this unique project to chart the body's proteins.

1 Apr 2007

Successful weight loss for teenagers

Participating in moderate to vigorous physical activity and limiting time in front of the television are some of the keys to successful weight loss in teens, according to researchers at the University of Minnesota Medical School.

1 Apr 2007

New discoveries offer promise for cholesterol drugs

New discoveries offer promise for developing drugs that improve on the therapeutic profile of niacin, the inexpensive, time-tested B-vitamin that boosts levels of HDL cholesterol, the good cholesterol with the potential to protect people against heart attacks and stroke, scientists report.

1 Apr 2007

Treatment options for bipolar disorder

For depressed people with bipolar disorder who are taking a mood stabilizer, adding an antidepressant medication is no more effective than a placebo (sugar pill), according to results published online on March 28, 2007 in the New England Journal of Medicine.

1 Apr 2007

Coronary procedure adds no benefit over 'optimal medical therapy' alone

Percutaneous coronary intervention plus optimal medical therapy does not improve outcomes in patients with coronary artery disease, compared with optimal medical therapy alone, according to study results presented at the 56th Annual Scientific Session of the American College of Cardiology in New Orleans, and published online in the New England Journal of Medicine.

1 Apr 2007

Bone marrow stem cells used to regenerate healthy human liver tissue

For the first time, researchers have used adult bone marrow stem cells to regenerate healthy human liver tissue, according to a study published in the April issue of the journal Radiology.

1 Apr 2007

Smokers perform worse at work than non-smokers

Smokers were also more likely to have a less than honourable discharge, to be demoted, to desert, and to earn less than their non-smoking colleagues, the study showed.

1 Apr 2007

Smokers clock up extra sick days

Smokers take an average of almost eight days more of sick leave every year than their non-smoking colleagues, suggested research published in Tobacco Control .

1 Apr 2007

Penn State scientists reveal structure of gateways to gene control

Scientists at Penn State University will reveal in the 29 March 2007 issue of the journal Nature the first complete high-resolution map of important structures that control how genes are packaged and regulated throughout an entire genome.

31 Mar 2007

Researchers identify gene for osteoporosis

Researchers report the identification of a gene that may play a role in susceptibility to osteoporosis, the crippling disease that leads to bone fractures, especially of the hip and spine.

31 Mar 2007

Radiofrequency (RF) ablation effective for treating inoperable lung cancer

A minimally invasive procedure known as radiofrequency (RF) ablation is effective for treating lung cancer in patients who are not candidates for surgery, according to a Rhode Island Hospital study published in the April issue of the journal Radiology.

31 Mar 2007