Immune System News and Research

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Stem cell therapy used to restore transparency in corneas

Stem cells collected from human corneas restore transparency and don't trigger a rejection response when injected into eyes that are scarred and hazy, according to experiments conducted in mice by researchers at the University of Pittsburgh School of Medicine.

12 Apr 2009

Marijuana use may increase risk of testicular cancer

Frequent and/or long-term marijuana use may significantly increase a man's risk of developing the most aggressive type of testicular cancer, according to a study by researchers at Fred Hutchinson Cancer Research Center.

12 Apr 2009

Early administration of HIV antiretroviral therapy improves survival

The first antiretroviral treatments appeared in 1996. Since then, new and better drugs have been discovered that have almost turned AIDS into a chronic disease.

12 Apr 2009

Research points to a new approach to treating type 1 diabetes

Scientists at Burnham Institute for Medical Research (Burnham) and the University of California San Diego (UC San Diego) School of Medicine have demonstrated in mice that transplanted pancreatic precursor cells are protected from the immune system when encapsulated in polytetrafluorethylene (PTFE).

12 Apr 2009

Researchers reveal how immune cells can be harnessed to target melanoma

Researchers at the Babraham Institute and the University of Catanzaro "Magna Graecia", Italy, co-ordinating an international network of scientists and clinicians from Europe, the USA and Japan, have identified new mechanisms through which the immune system recognises and responds to tumours like melanomas.

12 Apr 2009

For cancer cells, genetics alone is poor indicator for drug response

In certain respects, cells are less like machines and more like people.

12 Apr 2009

Deficiency in vitamin D may exacerbate autoimmune disease

Deficiency in vitamin D has been widely regarded as contributing to autoimmune disease, but a review appearing in Autoimmunity Reviews explains that low levels of vitamin D in patients with autoimmune disease may be a result rather than a cause of disease and that supplementing with vitamin D may actually exacerbate autoimmune disease.

9 Apr 2009

Vitamin D deficiency is associated with inflammation in healthy women

According to a recent study in the Archives of Internal Medicine, 75 percent of Americans do not get enough Vitamin D.

9 Apr 2009

Cancer vaccines receive orphan drug designation for advanced head and neck cancer

Two experimental vaccines from the University of Maryland, Baltimore (UMB) recently received a federal orphan drug designation for advanced head and neck cancer, according to a company official.

9 Apr 2009

Withdrawal of Raptiva from U.S. market

Genentech, the manufacturer of the psoriasis drug Raptiva (efalizumab), has announced that it has begun a voluntary, phased withdrawal of the product from the U.S. market.

8 Apr 2009

Oral contraceptives linked to greater risk of systemic lupus erythematosus

The ratio of women to men with the autoimmune disease systemic lupus erythematosus (SLE) is nine to one and the incidence increases after puberty.

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

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

HIV virus may have become more virulent

Damage to patients' immune systems is happening sooner now than it did at the beginning of the HIV epidemic, suggesting the virus has become more virulent, according to a new study in the May 1, 2009 issue of Clinical Infectious Diseases, now available online.

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

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

Breakthrough in transplant medicine

Australian scientists have made a breakthrough in transplantation immunity by finding a way of stopping the immune system from rejecting transplanted organs.

8 Apr 2009

FDA warns consumers to avoid eating Strubs Norwegian style steelhead salmon

The U.S. Food and Drug Administration today warned consumers not to eat Strubs Norwegian Style Sliced Smoked Steelhead Salmon in 300 gram packages because of potential contamination with the bacterium Listeria monocytogenes. L. monocytogenes is a foodborne pathogen that can cause serious illness and death.

7 Apr 2009

Stem cells from bone marrow used to grow new blood vessels

Research led by David Hess of the Robarts Research Institute at The University of Western Ontario has identified how to use selected stem cells from bone marrow to grow new blood vessels to treat diseases such as peripheral artery disease.

6 Apr 2009