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Study shows high survival for patients with torn aortas who get surgery

Nearly three years ago, actor John Ritter collapsed on the set of his sitcom, the victim of a rare but often deadly condition called aortic dissection - a tear in the largest blood vessel in the body.

11 Jul 2006

Functionalized carbon nanotubes are non-cytotoxic and preserve the functionality of primary immune cells

Various types of carbon-based nanomaterials, such as buckyballs and nanotubes, have shown promise as drug delivery tools and imaging agents, but reports of toxicity associated with some of these materials have raised questions about their ultimate utility in clinical oncology.

10 Jul 2006

Nanoscale metal-organic frameworks as potential multimodal contrast enhancing agents

By combining the properties of inorganic and organic molecules in one material, researchers at the Carolina Center of Cancer Nanotechnology Excellence (CCNE) have developed a new class of nanomaterials that can be used to create multifunctional nanoparticles.

10 Jul 2006

Imaging pancreatic cancer with a peptide-nanoparticle conjugate targeted to normal pancreas

Most attempts to develop imaging agents that can better distinguish tumors from healthy tissue focus on finding molecules that are more abundant on malignant cells than on normal cells and using those as cellular targets.

10 Jul 2006

Amazing brain repairs itself!

Doctors in the U.S. have discovered that the brain of a man so severely damaged in a car accident that he was left in a barely conscious state, has healed itself and he is now conscious and communicating with those around him.

4 Jul 2006

How the brain rewires after lesions

Scientists from Bochum investigate the reorganizational capacity of the adult brain.

3 Jul 2006

New imaging system could track cancer growth

A new imaging system currently entering clinical testing could allow doctors to track the process of cancer growth in real-time, scientists have said.

27 Jun 2006

Diagnostic performance of stress perfusion and delayed-enhancement MR imaging in patients with coronary artery disease

A new cardiac magnetic resonance imaging (MRI) technique can noninvasively demonstrate blockage of the coronary arteries with high diagnostic accuracy, according to a study featured in the July issue of Radiology.

27 Jun 2006

Mild cognitive impairment: Evaluation with 4-T functional MR imaging

Memory loss associated with early Alzheimer's disease (AD) may be linked to altered activity in several areas of the brain, according to a study in the July issue of Radiology.

27 Jun 2006

Stem cells contain immortal DNA

EuroStemCell scientists at the Pasteur Institute in Paris have demonstrated one of the body's most sophisticated ways of regulating the genetic material of stem cells.

26 Jun 2006

The solitary pulmonary nodule - malignant or benign?

A new study published in the journal Respiration shows good overall diagnostic accuracy of technetium-99m (99mTc)-depreotide single photon emission computed tomography (SPECT) in separating malignant from benign solitary pulmonary nodules (SPNs) of indeterminate origin.

19 Jun 2006

Better understanding of olfactory system

Duke University Medical Center researchers have discovered how the brain creates a scent symphony from signals sent by the nose.

18 Jun 2006

Broca's area and the hierarchical organization of human behavior

Researchers have discovered that Broca's area in the brain - best known as the region that evolved to manage speech production - is a major "executive" center in the brain for organizing hierarchies of behaviors.

14 Jun 2006

Brain chemistry finding suggests new target for addiction treatments

Ask anyone who has been addicted to drugs and they'll tell you that the mere sight of someone using their drug of choice - or even people, places, or objects associated with drug use - can trigger an intense desire for the drug.

14 Jun 2006

Comparative study of ileocecal vs. ileal neobladders in radical cystectomy patients

The use of orthotopic urinary diversion has gained increasing popularity in the past 20 years.

14 Jun 2006

Japanese researchers using PET imaging detect the beginnings of atherosclerosis

Using positron emission tomography (PET), the medical isotope 15O-water and cold pressor tests, Japanese researchers were able to detect the beginnings of atherosclerosis - before the disease became clinically evident.

9 Jun 2006

Sunitinib shows promise in treating metastatic renal cell cancer

A new study suggests that sunitinib is a promising agent for treatment of metastatic renal cell cancer, currently a disease without highly effective treatment options, according to an article in the June 7 issue of the Journal of the American Medical Association.

7 Jun 2006