Blood Vessels News and Research

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New understanding of health implications of nanoparticles

The smallest nano-sized silica particles used in biomedicine and engineering likely won't cause unexpected biological responses due to their size, according to work presented today.

16 Feb 2009

Common gene variants increase risk of hypertension, may lead to new therapies

A new study has identified the first common gene variants associated with an increased incidence of hypertension - a significant risk factor for heart attack, stroke and kidney failure.

16 Feb 2009

Discovery of new mechanism that tumours use to stimulate growth of blood vessels that feed them

The development of cancerous tumours is highly dependent on the nutrients the tumours receive through the blood.

11 Feb 2009

Pathologically elevated blood fat levels in obesity: Researchers discover molecular causes

Scientists at the German Cancer Research Center have discovered a mechanism in liver metabolism that is responsible for pathologically elevated blood fat levels found in severe metabolic disorders.

9 Feb 2009

Expert warns that an unhealthy lifestyle can lead to vision loss

A leading Australian eye expert has warned that people who do not adopt a healthy life style can expect a loss of vision in later life.

9 Feb 2009

New understanding of blinding degenerative eye conditions

Though based on mouse studies, the research bolsters the idea that humans suffering from these and other eye conditions may be able to help preserve function by adding antioxidants to their diet, and explains why this would work.

8 Feb 2009

FDA approves orphan drug ATryn anticoagulant

The U.S. Food and Drug Administration has issued its first approval for a biological product produced by genetically engineered (GE) animals.

8 Feb 2009

Researchers discover "master gene" behind blood vessel development

In a first of its kind discovery, University of Minnesota researchers have identified the "master gene" behind blood vessel development.

5 Feb 2009

What's the most common long-term complication of diabetes?

What's the most common long-term complication of diabetes? Problems with the heart and blood vessels, according to the February issue of Mayo Clinic Women's HealthSource.

5 Feb 2009

Cultured cells from the bone marrow can heal nerves in diabetes model

Transplanting cells that replenish blood vessels can also restore nerve function in an animal model of diabetic neuropathy, Emory researchers have found.

5 Feb 2009

Heart drug improve learning and memory in middle-aged rats

A team of Arizona psychologists, geneticists and neuroscientists has reported that a safe and effective drug used to treat vascular problems in the brain has improved spatial learning and working memory in middle-aged rats.

2 Feb 2009

Fasudil could reduce risk of Alzheimer's

A drug used to improve blood flow to the brain also could help improve learning and memory and reduce the risk of Alzheimer's disease, according to a new study released today by investigators at the Translational Genomics Research Institute (TGen) and Arizona State University.

2 Feb 2009

Peptide loaded gold nanospheres find, penetrate, then fuel burning of melanoma

Hollow gold nanospheres equipped with a targeting peptide find melanoma cells, penetrate them deeply, and then cook the tumor when bathed with near-infrared light, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center reported in the Feb. 1 issue of Clinical Cancer Research.

2 Feb 2009

New technique images tumor vessel leakiness to predict breast cancer chemotherapy outcome

Chemotherapy is an integral part of modern cancer treatment, but it's not always effective.

2 Feb 2009

Fibroblasts invade at a snail's pace

A transcription factor known to drive the formation of fibroblasts during development also promotes their ability to invade and remodel surrounding tissues, report Rowe et al. in the February 9, 2009 issue of the Journal of Cell Biology.

2 Feb 2009

Cell-building discovery offers great potential for basic cell biology, drug and tissue research

Brown University biomedical engineers can now grow and assemble living microtissues into complex three-dimensional structures in a way that will advance the field of tissue engineering and may eventually reduce the need for certain kinds of animal research.

2 Feb 2009

Stress may speed growth of melanoma tumors

For patients with a particularly aggressive form of skin cancer - malignant melanoma - stress, including that which comes from simply hearing that diagnosis, might amplify the progression of their disease.

2 Feb 2009

Scientists discover protein critical for the growth of pancreatic cancer

Researchers at Stanford University School of Medicine have identified a protein critical for the growth of pancreatic cancer.

2 Feb 2009

Statins may treat cerebral cavernous malformation

In a finding that could save thousands of lives a year, University of Utah School of Medicine researchers have shown that a blood vessel disorder leading to unpredictable, sometimes fatal, hemorrhagic strokes, seizures, paralysis or other problems is treatable with the same statin drugs that millions of people take to control high cholesterol.

27 Jan 2009

We need 5 to 10 percent of calories from omega-6 fatty acids

Omega-6 fatty acids - found in vegetable oils, nuts and seeds - are a beneficial part of a heart-healthy eating plan, according to a science advisory published in Circulation: Journal of the American Heart Association.

27 Jan 2009