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Exercise important in reducing size of abdominal fat cells

Reducing the size of abdominal fat cells - which are a risk factor for diabetes and heart disease - takes more than cutting calories, according to new research from Wake Forest University Baptist Medical Center.

8 Aug 2006

Gene amplification links growth controlling pathway from Drosophila to human cancers

Researchers at Harvard Medical School (HMS) and Massachusetts General Hospital (MGH) have discovered a new cancer-promoting role for a gene potentially involved in breast, liver, and other kinds of cancers.

8 Aug 2006

Nicotine shows promise as treatment against Parkinson's disease

New research suggests that nicotine treatment protects against the same type of brain damage that occurs in Parkinson's disease.

7 Aug 2006

Scientists identify gene involved in stem cell self-renewal in planaria

No matter how you slice it, the freshwater planarian possesses an amazing ability to regenerate lost body parts.

7 Aug 2006

Scientists discover two proteins responsible for detecting sour tastes

A team led by Duke University Medical Center researchers has discovered two proteins in the taste buds on the surface of the tongue that are responsible for detecting sour tastes.

7 Aug 2006

AIDS drugs still work but TB a deadly addition to the virus

According to a new report, ten years after they were introduced in Europe and North America, HIV/AIDS drugs remain effective but many patients are not being put on them soon enough.

7 Aug 2006

Leukemia gene changes genetic packaging

A signaling system involved in many forms of leukemia and lymphoma is more powerful than scientists have thought, exerting control over our genes by affecting whole swaths of chromosomes in global fashion.

6 Aug 2006

For the first time, scientists watch neurons change in response to experience

Thanks to a new imaging system, researchers at MIT's Picower Institute for Learning and Memory have gotten an unprecedented look into how genes shape the brain in response to the environment.

6 Aug 2006

Minimally invasive robotic surgery used to inject stem cells into damaged hearts

Researchers at the University of Minnesota were successful in using robotic surgery to deliver stem cell treatment to damaged heart tissue in pigs.

6 Aug 2006

New research may solve problem of vessels re-closing after angioplasty

Through studying pigeons with genetic heart disease, researchers at Wake Forest University School of Medicine have discovered a clue about why some patients' heart vessels are prone to close back up after angioplasty.

6 Aug 2006

Aggressive melanoma cells secrete Nodal - protein critical to embryo formation

A Northwestern University research group has discovered that aggressive melanoma cells secrete Nodal, a protein that is critical to proper embryo formation.

6 Aug 2006

HIV virus can survive efforts to destroy it by hiding in the mucosal tissues of the intestine

UC Davis researchers have discovered that the human immunodeficiency virus, the virus that causes AIDS, is able to survive efforts to destroy it by hiding out in the mucosal tissues of the intestine.

6 Aug 2006

DNA of human embryonic stem cells is chemically modified in a characteristic, predictable pattern

Embryonic stem cells are derived from embryos that are undergoing a period of intense cellular activity, including the chemical addition of methyl groups to specific DNA sequences in a process known as DNA methylation.

6 Aug 2006

Txr1 gene that affects human cancer cells' sensitivity to chemotherapy

Gene that affects human cancer cells' sensitivity to chemotherapy - an important finding in the effort to increase the effectiveness of chemotherapy.

6 Aug 2006

Tocotrienol - a potent neuroprotective agent

Two recent studies offer new evidence suggesting an alternative form of natural vitamin E can be taken by mouth and will reach the blood in humans at levels determined to protect against stroke and other diseases.

6 Aug 2006

Interleukin 21 may enhance the effectiveness of Herceptin

Preliminary research suggests that a drug that targets a particular type of breast cancer might be more effective if patients are also given a substance made by the body that stimulates certain immune cells.

6 Aug 2006

Researchers identify how molecules of microRNA are responsible for the growth of blood vessels in a model for human colon cancer

The process, called angiogenesis, results in ability of ravenous cancer cells to recruit blood vessels and receive a steady supply of nutrients and oxygen.

4 Aug 2006