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High-sensitivity bone marrow aspiration technology enhances leukemia cell detection

PHILADELPHIA -- Scientists have created a viable technology to improve the detection of leukemia cells in bone marrow.

Physical activity in adolescence associated with decreased risk of brain cancer in adulthood

PHILADELPHIA -- While little is known about the causes of glioma, researchers at the National Cancer Institute have found that this rare but often deadly form of brain cancer may be linked to early life physical activity and height.

Wistar researchers identify gene that regulates breast cancer metastasis

PHILADELPHIA -- (October 5, 2009) -- Researchers at The Wistar Institute have identified a key gene (KLF17) involved in the spread of breast cancer throughout the body. They also demonstrated that expression of KLF17 together with another gene (Id1) known to regulate breast cancer metastasis accurately predicts whether the disease will spread to the lymph nodes.

Penn study asks, protection or peril? Gun possession of questionable value in an assault

PHILADELPHIA -- In a first-of its-kind study, epidemiologists at the University of Pennsylvania School of Medicine found that, on average, guns did not protect those who possessed them from being shot in an assault. The study estimated that people with a gun were 4.5 times more likely to be shot in an assault than those not possessing a gun.

Metabolic syndrome linked to liver disease in obese teenaged boys

Researchers studying a large sample of adolescent American boys have found an association between metabolic syndrome, which is a complication of obesity, and elevated liver enzymes that mark potentially serious liver disease.

Lack of social interaction affects health outcomes of breast cancer

PHILADELPHIA -- Social environment can play an important role in the biology of disease, including breast cancer, and lead to significant differences in health outcome, according to results of a study published in Cancer Prevention Research, a journal of the American Association for Cancer Research.

Women fare better than men with metastatic colorectal cancer -- are hormones helping?

PHILADELPHIA -- Younger women with metastatic colorectal cancer lived longer than younger men. However, this survival advantage disappeared with age, suggesting a benefit from estrogen or other hormones, according to results of a study published in Clinical Cancer Research, a journal of the American Association for Cancer Research.

Social isolation worsens cancer

Using mice as a model to study human breast cancer, researchers have demonstrated that a negative social environment (in this case, isolation) causes increased tumor growth. The work shows -- for the first time -- that social isolation is associated with altered gene expression in mouse mammary glands, and that these changes are accompanied by larger tumors.

Extra virgin olive oil compound may help prevent, treat Alzheimer's

PHILADELPHIA (September 29, 2009) -- Oleocanthal, a naturally-occurring compound found in extra-virgin olive oil, alters the structure of neurotoxic proteins believed to contribute to the debilitating effects of Alzheimer's disease. This structural change impedes the proteins' ability to damage brain nerve cells.

Penn studies point to strategies for reducing painful breast cancer drug side effects

(PHILADELPHIA) -- Aromatase inhibitors, the same drugs that have buoyed long-term survival rates among breast cancer patients, also carry side effects including joint pain so severe that many patients discontinue these lifesaving medicines.

Use of statins favors the wealthy, creating new social disparities in cholesterol

PHILADELPHIA -- Since the introduction of statins to treat high cholesterol, the decline in lipid levels experienced by the wealthy has been double that experienced by the poor.

How mitochondrial gene defects impair respiration, other major life functions

Researchers are delving into abnormal gene function in mitochondria, structures within cells that power our lives. Mitochondria are the place where energy is generated from the most basic molecules of food. Because this function is essential to life, defects in mitochondria may affect a wide range of organ systems in humans and animals.

New study finds way to stop excessive bone growth following trauma or surgery

(PHILADELPHIA) -- A recent United States Army study found that excessive bone growth, also known as heterotopic ossificiation (HO), affects up to 70 percent of soldiers who are severely wounded during combat. A much smaller percentage of the civilian population also suffers from HO following trauma or invasive surgery.

Obesity hinders chemotherapy treatment in children with leukemia

PHILADELPHIA -- Obesity is an important factor contributing to chemotherapy resistance and increasing relapse rates among children with leukemia, according to recent findings published online first in Cancer Research, a journal of the American Association for Cancer Research.

New rabies vaccine may require only a single shot... not 6

(PHILADELPHIA) A person, usually a child, dies of rabies every 20 minutes. However, only one inoculation may be all it takes for rabies vaccination, according to new research published in the Journal of Infectious Diseases by researchers at the Jefferson Vaccine Center.



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