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Too much dietary protein and fat may lead to insulin resistance

A clue about the blood chemistry of obese people who develop insulin resistance, a precursor to diabetes, has been confirmed in animal studies at the Duke University Medical Center.

8 Apr 2009

Study looks at functional decline in seniors after hospitalization

Motivation and expectation may be factors in helping older adults regain lost functional ability after hospitalization, say researchers with the Birmingham Veterans Administration Medical Center and UAB (University of Alabama at Birmingham).

8 Apr 2009

Aerobic exercise may help patients with heart failure

Aerobic exercise training appears safe for patients with heart failure and was associated with a modest reduction in the risk of death and hospitalization, with some improvement in quality of life, according to two articles in the April 8 issue of JAMA, the Journal of the American Medical Association.

8 Apr 2009

Patient preferences play role in racial disparities in rheumatoid arthritis treatment

Racial disparities in the delivery of healthcare occur even among insured populations with access to care.

8 Apr 2009

Managing pain in the ICU

Managing pain in the ICU is an ongoing and significant challenge for the critical care team.

8 Apr 2009

Immune cells in skin fight off infection better than the rest

Scientists at the University of Melbourne have discovered the local action of immune cells in the skin, which could improve treatment of viral skin infections.

8 Apr 2009

Multifocal lung cancers appear to originate from single cancer clone

Multiple, anatomically distinct lung cancer tumors may frequently arise from a single cancer cell, according to a retrospective analysis of patient tumor samples published in the April 7 online issue of the Journal of the National Cancer Institute.

8 Apr 2009

More intensive treatment not associated with better outcomes in early bladder cancer

Patients with early bladder cancer who receive more intensive treatment within the first two years of diagnosis do not appear to have better survival than patients who receive less intensive treatment, according to a retrospective analysis published in the April 7 online issue of the Journal of the National Cancer Institute.

8 Apr 2009

Aggressive treatment for early stage bladder does not improve survival

Despite enduring more invasive tests and medical procedures, patients who were treated aggressively for early stage bladder cancer had no better survival than patients who were treated less aggressively.

8 Apr 2009

Discovery of mechanism of cell type-specific signaling in tumor development

Mayo Clinic researchers have discovered the mechanisms behind two key checkpoints in cell growth and development - factors that may ultimately allow investigators to benchmark progression of tumor cells or stop them from further development.

8 Apr 2009

Transplantation immunity breakthrough

Australian scientists have made a discovery that may one day remove the need for a lifetime of toxic immunosuppressive drugs after organ transplants.

8 Apr 2009

Research finds insulin plays a key role in suppressing levels of glucagon

Researchers at the Joslin Diabetes Center have shown for the first time that insulin plays a key role in suppressing levels of glucagon, a hormone involved in carbohydrate metabolism and regulating blood glucose levels.

8 Apr 2009

Diets high in fat and protein are most dangerous

It's basically a given that diets loaded with fat can lead to considerable health problems.

8 Apr 2009

Growth factor TGF-beta helps maintain health of retinal blood vessels

Scientists at Schepens Eye Research Institute have found that the growth factor known as TGF-beta is essential to the health of blood vessels in the retina and that blocking it can cause retinal dysfunction.

8 Apr 2009

Genetic risk factors play role in autoantibody-negative rheumatoid arthritis

During the past few years, several new genetic risk factors for rheumatoid arthritis (RA) have been identified.

8 Apr 2009

Gene delivery appears safe for regenerating tooth-supporting gum tissue

Scientists at the University of Michigan have developed a method of gene delivery that appears safe for regenerating tooth-supporting gum tissue---a discovery that assuages one of the biggest safety concerns surrounding gene therapy research and tissue engineering.

8 Apr 2009

Inflammatory chemokine may explain diseases that come with obesity

An inflammatory factor already linked to several diseases, including pulmonary disease, lung cancer, and arthritis, may also be responsible for the insulin resistance that comes with obesity, according to a new study published in the April issue of Cell Metabolism.

8 Apr 2009

Discovery of marker for colon stem cells could shed light on tumor growth

Cancer researchers led by Bruce Boman, M.D., Ph.D. director of Cancer Genetics and Stem Cell Biology at the Helen F. Graham Cancer Center of the Christiana Care Health System, and a faculty member at the University of Delaware, have discovered an enzyme common to both normal and malignant colon stem cells that will assist scientists searching for a cure for colon cancer.

8 Apr 2009

Reovirus kills cancer stem cells

Dalhousie Medical School cancer researcher Dr. Patrick Lee has proven that a common virus can infect and kill breast cancer stem cells.

8 Apr 2009

Cigarette smoke changes the immune response to bacteria - culprit behind COPD exacerbations

Smoking cigarettes is not only the principle cause of chronic obstructive pulmonary disease (COPD), but it may change the body's immune responses to bacteria that commonly cause exacerbations of the disease, according to new research in a mouse model.

8 Apr 2009