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Scientists identify proteins that help bacteria put up a fight

Scientists have identified the role of two proteins that contribute to disease-causing bacteria cells' versatility in resisting certain classes of antibiotics.

27 Feb 2008

Mechanism of blood clot elasticity revealed in high definition

Blood clots can save lives, staunching blood loss after injury, but they can also kill. Let loose in the bloodstream, a clot can cause a heart attack, stroke or pulmonary embolism.

26 Feb 2008

Small protein discovered that specifically recognizes tumors responding to chemotherapy

A technique that specifically "tags" tumors responding to chemotherapy may offer a new strategy for determining a cancer treatment's effectiveness within days of starting treatment, according to a new study by Vanderbilt-Ingram Cancer Center investigators.

26 Feb 2008

New discovery on how gene-regulatory networks govern metabolism

Metabolism is a central feature of life - a myriad of biochemical processes that, together, enable organisms to nourish and sustain themselves.

26 Feb 2008

Worm defecation holds clues to widespread cell-to-cell communication process

The focus of two recent Nobel prizes, a species of roundworm has made possible another advance in the understanding of how cells talk to one another, according to a study published online Feb. 21 in the journal Current Biology.

22 Feb 2008

Novel link between excessive nutrient levels and insulin resistance

For quite some time now, scientists suspected the so-called hexosamine pathway - a small side business of the main sugar processing enterprise inside a cell - to be involved in the development of insulin resistance.

22 Feb 2008

Link between excessive food intake and insulin resistance

22 Feb 2008

New way to grow blood vessels

Researchers at Dana-Farber Cancer Institute have found a previously unknown molecular pathway in mice that spurs the growth of new blood vessels when body parts are jeopardized by poor circulation.

21 Feb 2008

Bacteria dupe human immune system by using invisibility cloak

Scientists at the University of York have characterised an important new step in the mechanism used by bacteria to evade our immune system.

20 Feb 2008

Ocular melanoma - potential new treatment options

Ocular melanoma is rarely detected before it has grown large enough to impair vision or to metastasize.

20 Feb 2008

Discovery of a new anticoagulant

The discovery of a new anticoagulant with promising therapeutic value is reported on the 20th of February issue of the journal PLoS ONE1.

20 Feb 2008

Stanford researchers make first direct observation of 3-D molecule folding in real time

All the crucial proteins in our bodies must fold into complex shapes to do their jobs.

18 Feb 2008

Discovery of antibody that neutralizes two viruses classified as henipaviruses

In laboratory experiments, scientists at the National Cancer Institute (NCI), part of the National Institutes of Health (NIH), and their colleagues supported by the NIH National Institute of Allergy and Infectious Disease (NIAID), have discovered an antibody that neutralizes two viruses classified as henipaviruses.

18 Feb 2008

Strength of spider silk lies in geometric configuration of structural proteins

Researchers in Civil and Environmental Engineering at MIT reveal that the strength of a biological material like spider silk lies in the specific geometric configuration of structural proteins, which have small clusters of weak hydrogen bonds that work cooperatively to resist force and dissipate energy.

17 Feb 2008

Discovery of new cataract gene

The international team of researchers was able to identify the location and defect in the coding region of the gene through analysis of genetic material (DNA) from members of a large Swiss family, the majority of whom suffered from autosomal dominant juvenile cataract.

17 Feb 2008

Mesothelin appears to play important role in promoting pancreatic cancer growth - clues to new treatments

New understanding of a protein that spurs the growth of pancreatic cancer could lead to a new vaccine against the deadly disease, said researchers at Baylor College of Medicine in Houston in a report appearing in the current edition of the journal Molecular Cancer Therapeutics.

17 Feb 2008

Scientists solve structure of gene regulator that plays key role in cancer

Scientists at The Wistar Institute have collaborated on a major advance in understanding a gene regulator that contributes to some of the deadliest cancers in humans.

14 Feb 2008

Probiotics help keep elite athletes fit and well

According to the latest Australian research the immune system of long-distance runners was enhanced by probiotics - dietary supplements containing potentially beneficial bacteria or yeasts.

13 Feb 2008

Toxic blue-green algae may provide new anti-cancer drugs

A collaborative team of researchers spearheaded by Dennis Carson M.D., professor of medicine and director of the Rebecca and John Moores UCSD Cancer Center at the University of California, San Diego (UCSD) has identified a potent new anti-cancer drug isolated from a toxic blue-green algae found in the South Pacific.

12 Feb 2008

New non-invasive imaging method for diagnosing osteoarthritis

Researchers at New York University and Tel Aviv University have developed a non-invasive imaging method that can be used to diagnose and monitor a number of diseases, including osteoarthritis and inter-vertebral disc degeneration, in their early stages.

12 Feb 2008