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Red tide toxins may trigger respiratory symptoms

The ecological phenomenon, known as Florida red tide, can be harmful for people with asthma. Florida red tides, an annual event in areas along the Gulf of Mexico, are blooms of the ocean organism, Karenia brevis (K brevis), that are concentrated along shorelines and produce highly potent aerosolized toxins.

8 Jan 2007

New alarm system protects nerves during surgery

An alarm tone warns the surgeon that the position of his scalpel is dangerously close to the nerve leading to the patient's vocal cords - the beep tone signals excessive pressure on the nerve.

8 Jan 2007

New carbon-fiber-reinforced plastic puncture needle

Sometimes it begins with a slight pulling sensation in the back, while at other times it can put a person completely out of action from one minute to the next: These are the symptoms of a slipped disk. An operation is not always necessary, as there are effective alternatives to surgery.

8 Jan 2007

BioMed Central launches BMC Systems Biology

BioMed Central has announced the launch of BMC Systems Biology, the first open access journal focussed solely on the entire emerging subject of systems biology.

8 Jan 2007

Trust your gut feelings!

A UCL (University College London) study has found that you are more likely to perform well if you do not think too hard and instead trust your instincts.

8 Jan 2007

Optical and magnetic resonance imaging of cell death and platelet activation using annexin A5-functionalized quantum dots

By combining a quantum dot with a novel carrier of the magnetic resonance imaging (MRI) agent gadolinium, a team of investigators at the University of Maastricht, in The Netherlands, has developed a nanoparticle that can spot apoptosis, or programmed cell death, using both MRI and fluorescence imaging.

8 Jan 2007

Dendrimer-encapsulated camptothecins

With an eye toward developing a delivery vehicle for anticancer agents that are poorly soluble in water, a research team at Boston University and the Research Triangle Institute (RTI) has developed a biocompatible dendrimer that wraps itself around water-insoluble drugs.

8 Jan 2007

Iran's "sex for clothing" hampering efforts to fight HIV/AIDS

The "increasingly common" practice in Tehran, Iran, between commercial sex workers and shopkeepers of trading sex for no-cost or discounted fashion clothing is undermining efforts to fight the spread of HIV in the country, according to health education workers, London's Guardian reports.

7 Jan 2007

First year of cancer treatment costs patients $2.3 billion in lost time

The time that cancer patients nationwide spend when they travel to, wait for and receive inpatient and outpatient treatment costs an estimated $2.3 billion in the first year after diagnosis, according to a study published on Wednesday in the Journal of the National Cancer Institute, the AP/South Florida Sun-Sentinel reports.

7 Jan 2007

Democrats plan to introduce bills addressing stem cell research, Rx benefit

House Democrats plan to introduce bills that would reduce restrictions on federal funding for embryonic stem cell research and allow HHS to negotiate directly with pharmaceutical companies on prices for medications under the Medicare prescription drug benefit, incoming House Majority Leader Steny Hoyer (D-Md.) said on Wednesday, CQ Today reports.

7 Jan 2007

56% of adults support easing federal embryonic stem cell research funding restrictions

About 56% of U.S. adults support easing restrictions on federal funding for human embryonic stem cell research, according to an Associated Press-AOL poll conducted from Dec. 19, 2006, to Dec. 21, 2006, the AP/Washington Post reports (Superville, AP/Washington Post, 1/3).

7 Jan 2007

Blood levels of vitamin folate in women of childbearing age decreasing

From 1999 through 2004 there was an 8% to 16% decline in the level of the vitamin folate in the blood of U.S. women of childbearing age, according to a study published in the Jan. 5 issue of CDC's Morbidity and Mortality Weekly Report, the AP/Houston Chronicle reports (Stobbe, AP/Houston Chronicle, 1/4).

7 Jan 2007

HHS and BioCryst advance development of new influenza drug

HHS Secretary Mike Leavitt announced that the Department has awarded a $102.6 million, four-year contract to BioCryst Pharmaceuticals, Inc. for advanced development of their influenza antiviral drug, peramivir.

7 Jan 2007

DNA vaccine for H5N1 avian influenza enters human trial

The first human trial of a DNA vaccine designed to prevent H5N1 avian influenza infection began on December 21, 2006, when the vaccine was administered to the first volunteer at the National Institutes of Health (NIH) Clinical Center in Bethesda, MD.

3 Jan 2007

Uric acid holds potential for central nervous system damage

Uric acid is commonly associated with the excruciatingly painful joint disease known as gout, but it can also play a crucial role in the treatment of spinal cord injury and other central nervous system disorders, such as stroke, multiple sclerosis and Parkinson's disease, according to Rutgers' Bonnie Firestein.

3 Jan 2007

Men who father only daughters have a higher risk of prostate cancer

In a new and unique study to determine if genes on the Y chromosome are involved in prostate cancer, researchers at Columbia University's Mailman School of Public Health in conjunction with Hebrew University of Jerusalem found that men who had only daughters had a higher risk of prostate cancer than men who had at least one son, thus signifying a possible defect on the father's Y chromosome.

3 Jan 2007

Sigma-Aldrich grants Pfizer license to use ddRNAi

Sigma-Aldrich has announced that it has granted Pfizer a worldwide non-exclusive research license to utilize DNA-directed RNAi (ddRNAi) technology. Applications of the ddRNAi technology for research activities have been licensed exclusively by Sigma- Aldrich from Benitec Limited of Australia.

3 Jan 2007