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Fast way of spotting multidrug resistant bacteria could help stop outbreaks in hospitals

A type of bacterium widely found on our skin and in the environment has now become a major threat in hospitals where it can cause serious infections, such as pneumonia in severely ill patients.

27 Nov 2007

Alcohol and tobacco use doesn't boost HPV-related cancer risk

Heavy smoking and drinking are known to cause head and neck cancer. Infection with human papillomavirus type 16 (HPV16), a common strain of the sexually-transmitted HPV virus, is another known risk factor for head and neck cancer, which affects about 500,000 people each year worldwide.

27 Nov 2007

Blood-vessel blocker aids cancer-killing virus

Cancer-killing viruses are a promising therapy for incurable brain tumors, but their effectiveness has been limited in part because immune cells rapidly move in and eliminate them.

27 Nov 2007

FDA extends comment period for proposed sunscreen regulation

The Food and Drug Administration has announced that it will be extending the comment period on the agency's proposed sunscreen regulation to Dec. 26, 2007.

27 Nov 2007

Scientists examine eons-old water for microorganisms

Researchers from the University of Delaware and the University of California at Riverside have thawed ice estimated to be at least a million years old from above Lake Vostok, an ancient lake that lies hidden more than two miles beneath the frozen surface of Antarctica.

27 Nov 2007

Scientists bridge the "terahertz gap"

Going through airport security can be such a hassle. Shoes, laptops, toothpastes, watches and belts all get taken off, taken out, scanned, examined, handled and repacked. But "T-rays", a completely safe form of electromagnetic radiation, may reshape not only airport screening procedures but also medical imaging practices.

27 Nov 2007

Computed tomography angiography accurate in detecting coronary artery disease

Computed tomography (CT) angiography is as accurate as an invasive angiogram in detecting coronary artery disease, according to the findings of the first two prospective multicenter 64-slice scanner trials presented today at the annual meeting of the Radiological Society of North America (RSNA).

27 Nov 2007

Alcohol and second-hand smoke a deadly combo

According to a new study the combination of alcohol and second-hand smoke can cause damage to the heart.

26 Nov 2007

Tiny DNA molecules show liquid crystal phases, pointing to new scenario for first life on earth

A team led by the University of Colorado at Boulder and the University of Milan has discovered some unexpected forms of liquid crystals of ultrashort DNA molecules immersed in water, providing a new scenario for a key step in the emergence of life on Earth.

22 Nov 2007

Discovery of new signaling molecule could lead to the development of new treatments for cancer

Investigators at St. Jude Children's Research Hospital have discovered a new signaling molecule that prevents immune responses from running amok and damaging the body.

21 Nov 2007

Scientists identify key nerve navigation pathway

Newly launched nerve cells in a growing embryo must chart their course to distant destinations, and many of the means they use to navigate have yet to surface.

21 Nov 2007

Study looks at effects of smoking and breathing second-hand smoke along with drinking

Tobacco smoke-filled air is bad for cardiovascular health, and drinking alcohol at the same time only makes it worse, according to researchers at the University of Alabama at Birmingham (UAB).

21 Nov 2007

New technique provides stem cells without ethical and legal constraints

In a paper to be published Nov. 22 in the online edition of the journal Science, a team of University of Wisconsin-Madison researchers reports the genetic reprogramming of human skin cells to create cells indistinguishable from embryonic stem cells.

21 Nov 2007

Human pluripotent stem cells without human cloning

Two major scientific papers published this week in Science and Cell unveil a proven way to generate patient-matched human pluripotent stem cells without human cloning, and without the use of human embryos or human or animal eggs.

21 Nov 2007

Human skin could be a new source of stem cells

A simple recipe—including just four ingredients—can transform adult human skin cells into cells that resemble embryonic stem cells, researchers report in an immediate early publication of the journal Cell, a publication of Cell Press.

21 Nov 2007

Chlamydia pneumoniae involved in both heart disease and infertility

Outside the laboratory, Anthony Azenabor is outgoing and talkative, an extrovert who laughs heartily at his own jokes.

21 Nov 2007

New human rhinovirus associated with pediatric respiratory tract infection in Germany

Using a rapid, sensitive, and inexpensive diagnostic tool called MassTag PCR, scientists at Columbia University Mailman School of Public Health's Center for Infection and Immunity implicated a new human rhinovirus as the cause of severe pediatric respiratory tract infections in Europe.

21 Nov 2007

New method for detecting and characterizing prions

An effective and sensitive new method for detecting and characterizing prions, the infectious compounds behind diseases like mad cow disease, is now being launched by researchers at Linköping University in Sweden, among other institutions.

21 Nov 2007

Monkeys fend off AIDS-like symptoms with enhanced HIV vaccine

Researchers at the University of Pennsylvania School of Medicine have discovered that using an immune system gene to enhance a vaccine used to study HIV in macaque monkeys provides the animals with greater protection against simian HIV (SHIV) than an unmodified vaccine.

21 Nov 2007

Discovery of 300 previously unidentified human genes

Using supercomputers to compare portions of the human genome with those of other mammals, researchers at Cornell have discovered some 300 previously unidentified human genes, and found extensions of several hundred genes already known.

21 Nov 2007