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Influenza A(H1N1) update, 39 countries and 8480 cases

As of 06:00 GMT, 17 May 2009, 39 countries have officially reported 8480 cases of influenza A(H1N1) infection.

17 May 2009

Transplant patients experience worse outcomes from cancer

After comparing two patient cancer registries - one featuring transplant patients and the other the general population - researchers at the University of Cincinnati (UC) have found that transplant patients experience worse outcomes from cancer.

17 May 2009

Pregabalin shows potential as treatment for hot flashes

A pill used for nerve pain offers women relief from hot flashes, Mayo Clinic researchers report at the 45th Annual Meeting of the American Society of Clinical Oncology (ASCO).

17 May 2009

Early retroviral use best for AIDS patients with serious complications

HIV-positive patients who don't seek medical attention until they have a serious AIDS-related condition can reduce their risk of death or other complications by half if they get antiretroviral treatment early on, according to a new multicenter trial led by researchers at the Stanford University School of Medicine.

17 May 2009

Pazopanib shows promise for aggressive thyroid cancer

A medication that helps stop the growth of new blood vessels has produced dramatic benefits for some patients with aggressive thyroid cancer, research from Mayo Clinic indicates.

17 May 2009

Combining two chemotherapy drugs with Herceptin shows promise for metastatic HER2+ breast cancer

At the 45th Annual Meeting of the American Society of Clinical Oncology (ASCO), researchers from the Mayo Clinic campus in Florida report that using a combination of capecitabine, vinorelbine, and trastuzumab offers a treatment option that is at least as beneficial as other current options - and doesn't cause hair loss in patients.

17 May 2009

Low oxygen levels in prostate tumors can predict recurrence

Fox Chase Cancer Center researchers have discovered that low-oxygen regions in prostate tumors can be used to predict a rise in prostate-specific antigen (PSA) levels, a marker of tumor recurrence in prostate cancer.

17 May 2009

Genetic marker predicts earlier onset of prostate cancer in Caucasian men

Fox Chase Cancer Center researchers have identified a genetic marker that is associated with an earlier onset of prostate cancer in Caucasian men who have a family history of prostate cancer. If the data are confirmed, the marker may help clinicians personalize prostate cancer screening.

17 May 2009

Biological timekeeper studies reveal new temperature regulator and track clock protein across a day

Dartmouth Medical School geneticists have made new inroads into understanding the regulatory circuitry of the biological clock that synchronizes the ebb and flow of daily activities, according to two studies published May 15.

17 May 2009

Amino acid glutamine show promise in treating stomach ulcers

Nearly 20 years ago, it was discovered that bacteria known as Helicobacter pylori were responsible for stomach ulcers. Since then, antibiotics have become the primary therapy used to combat the H. pylori infection, which affects approximately six percent of the world population and is also a primary cause of stomach cancer. But today the bacteria is growing increasingly resistant to antibiotics.

17 May 2009

Soft and tough like biological tissue: DNA-wrapped carbon nanotubes

For modern implants and the growth of artificial tissue and organs, it is important to generate materials with characteristics that closely emulate nature.

17 May 2009

A link found between atrial fibrillation and Alzheimer's disease

Researchers at Intermountain Medical Center in Salt Lake City believe that they have made a breakthrough connection between atrial fibrillation, a fairly common heart rhythm disorder, and Alzheimer's disease, the leading form of dementia among Americans.

17 May 2009

Study compares aspirin types

For many years, it has been known that aspirin is beneficial to patients suffering heart attacks and near-heart attacks. But which of the many different types of aspirin is likely to help the most?

17 May 2009

New system to deliver siRNA into primary cells

In technology that promises to one day allow drug delivery to be tailored to an individual patient and a particular cancer tumor, researchers at the University of California, San Diego School of Medicine, have developed an efficient system for delivering siRNA into primary cells.

17 May 2009

Early use of antiretroviral treatment improves survival rate of HIV patients

A clinical study, led by researchers from University College Dublin, Ireland, and Stanford University, California, USA, with international collaborators, demonstrates that mortality rates of HIV patients can be almost halved when early antiretroviral (ARV) therapy is added to the treatment of AIDS-related opportunistic infections (OIs) such as pneumonia, meningitis or other serious bacterial infections.

17 May 2009

Variation of natural compound cures malaria in mice

Approximately 350 million to 500 million cases of malaria are diagnosed each year mostly in sub-Saharan Africa. While medications to prevent and treat malaria do exist, the demand for new treatments is on the rise, in part, because malaria parasites have developed a resistance to existing medications.

15 May 2009

Early identification of dementia increasingly difficult

If grandma seems to forget things, will she end up demented? These days, memory loss is one of the very few symptoms that may signal which 70-year-olds risk developing dementia. This is shown in a doctoral thesis at the Sahlgrenska Academy at the University of Gothenburg, Sweden.

15 May 2009

Quantitative single cell analysis using optical tweezers and microfluidics

Researchers at the University of Gothenburg, Sweden, have developed a new method to study single cells while exposing them to controlled environmental changes.

15 May 2009

Insured immigrants have lower medical costs than U.S.-born citizens, study finds

Insured immigrants have lower medical expenses than insured U.S.-born citizens after taking into account their health status and other characteristics, according to a study released on Thursday and published in the American Journal of Public Health, Reuters Health reports.

15 May 2009

Rates of sexually transmitted infections in Allegheny County, Pa., disproportionately high among blacks, officials say

Health officials in Allegheny County, Pa., on Wednesday held a sexually transmitted infection diversity conference to discuss the disproportionately higher STI rates among blacks and strategies to reduce them, the Pittsburgh Post-Gazette reports.

15 May 2009