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Radiation costs vary widely by delivery, U-M study finds

ANN ARBOR, Mich. -- When cancer spreads to the bone, radiation treatments can help relieve the pain caused by the tumor. But how best to deliver the radiation may vary widely from one oncologist to the next.

Genes signal late-stage laryngeal cancer, poorer outcome

SAN DIEGO -- Researchers at Henry Ford Hospital have identified tumor-suppressing genes that may provide a more accurate diagnosis of disease stage and survival for laryngeal cancer patients than current standards.

Surgeons' unanimous consensus: Needle biopsy is gold standard for breast cancer diagnosis

Newport Beach, Calif. -- October 5, 2009 -- A special report published in the October issue of the Journal of the American College of Surgeons indicates that an alarming 35% of initial diagnostic breast biopsies in the United States are still being done using unnecessary open surgical techniques.

Rare head and neck cancer linked to HPV, study finds

ANN ARBOR, Mich. -- An increase in cases of a rare type of head and neck cancer appears to be linked to HPV, or human papillomavirus, according to a new study from researchers at the University of Michigan Comprehensive Cancer Center.

Novel polymer delivers genetic medicine, allows tracking

Blacksburg, Va. -- Theresa M. Reineke, associate professor of chemistry in the College of Science, and colleagues in her lab at Virginia Tech and at the University of Cincinnati have developed a new molecule that can travel into cells, deliver genetic cargo, and packs a beacon so scientists can follow its movements in living systems.

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.

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.

Study finds 231 new genes associated with head and neck cancer

SAN DIEGO -- A Henry Ford Hospital study has identified 231 new genes associated with head and neck cancer, one of the most deadly cancers responsible for 2.1 percent of all cancer deaths in the United States.

Previously, only 33 genes were reported associated with head and neck cancer.

New type of genetic change identified in inherited cancer

DURHAM, N.C. -- Duke University Medical Center and National Cancer Institute scientists have discovered that a novel genetic alteration -- a second copy of an entire gene -- is a cause of familial chordoma, an uncommon form of cancer arising in bones and frequently affecting the nervous system.

UNC study pinpoints gene controlling number of brain cells

CHAPEL HILL -- In populating the growing brain, neural stem cells must strike a delicate balance between two key processes -- proliferation, in which the cells multiply to provide plenty of starting materials -- and differentiation, in which those materials evolve into functioning neurons.

NEDD9 protein supports growth of aggressive breast cancer

Researchers at Fox Chase Cancer Center have demonstrated that a protein called NEDD9 may be required for some of the most aggressive forms of breast cancer to grow. Their findings, based on the study of a mouse model of breast cancer, are presented in a recent issue of Cancer Research, available on-line now.

Duke/Singapore scientists find new way to classify gastric cancers

DURHAM, N.C., -- An international team of scientists has discovered a new way to classify stomach cancers, and researchers say it may be an important step toward designing more effective treatments and improving long-term survival.

Stomach (gastric) cancer is particularly prevalent in Asia and represents the second leading cause of cancer deaths worldwide.

Molecular imaging holds promise for early intervention in common uterine cancer

Reston, Va. -- A promising new molecular imaging technique may provide physicians and patients with a noninvasive way to learn more information about a type of cancer of the uterus lining called "endometrial carcinoma" -- one of the most common malignant female tumors. This research was presented in a study published in the October issue of The Journal of Nuclear Medicine.

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.

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.



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