Immune System News and Research

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More physical activity does not lower risk of colon cancer

A prospective cohort study of 31,783 American women has found no significant association between levels of physical activity and colon cancer incidence.

17 Feb 2006

Protein level predicts who will develop graft vs. host disease after marrow transplant

Researchers could determine one week after a bone marrow transplant which patients were likely to develop a serious and deadly complication, making them candidates for preventive treatment before any symptoms occur.

17 Feb 2006

Macrophage signaling may affect hormone resistance in prostate tumors

Interaction between prostate cancer cells and immune cells called macrophages may be a source of inflammatory signals capable of impacting the effectiveness of androgen antagonists, the most common and effective treatment for prostate cancer, according to a new study by researchers at the University of California, San Diego (UCSD) School of Medicine.

16 Feb 2006

Purdue biologists visualize protein interaction that may initiate viral infection

Biologists at Purdue University have taken a "snapshot" of a Velcro-like protein on a cell's surface just after it attached to the dengue virus, a linkup thought to initiate the early stages of infection.

16 Feb 2006

Less is more hypothesis - gene loss may explain unique human traits

Humans and chimps share most of their genes, yet they differ dramatically in many ways - their walk, the sizes of their brains and their capacities for speech and language, for example.

16 Feb 2006

Scientists discover how to make human collagen in the lab

It is the most important structural protein in the body, reinforcing connective tissue, bones and teeth, and forming long, fibrous cables to strengthen tendons. Collagen forms sheets of tissue that support the skin and every internal organ.

16 Feb 2006

Causes of type 1 diabetes

Scientists are casting a wide, tightly woven net with the goal of catching the causes of type 1 diabetes.

16 Feb 2006

Scientists investigate sugar coating that surrounds bacteria

Scientists at The University of Texas at Austin have developed a quick and simple way to investigate the sugar coating that surrounds bacteria and plays a role in infection and immunity.

16 Feb 2006

Taking aim at one of mankind's most common diseases

A detailed structural picture of a molecule that plays a key role in activating the Epstein Barr Virus in human cells has now been obtained by researchers at the European Molecular Biology Laboratory (EMBL) and the Institute of Molecular and Structural Virology (IVMS), associated with the University Joseph Fourier and the CNRS, in Grenoble.

16 Feb 2006

Herbal supplements and plastic surgery don't mix well

Natural herbal supplements are supposed to help boost our immune systems, give us more energy and make us generally healthier.

14 Feb 2006

Statins show beneficial effect on rheumatoid arthritis

Statins, a class of drugs widely used to treat high cholesterol, have also recently been studied for their potential role in inflammation and other cell processes, including immune response.

13 Feb 2006

Lupus responds to stem cell transplant therapy

Transplanting patients with blood stem cells that originate from their own bone marrow can induce the remission of life-threatening, treatment-resistant lupus, according to a study that took place at Northwestern Memorial Hospital in Chicago.

13 Feb 2006

Another step forward in the battle against bacterial infections

Bacterial infections can strike anyone, and they can sometimes be fatal. Because more and more bacteria are becoming resistant to the pre-eminent remedy; antibiotics; the search for new remedies against bacterial infections is in high gear.

12 Feb 2006

Nod1 found to control tumor growth in certain breast cancers

This protein was previously thought to play a role solely in the innate immune system's response to bacterial infection. In the new study, which will be published on-line by the Proceedings of the National Academy of Sciences

12 Feb 2006

Aging cells help make old bodies

Brown University biologists have uncovered intriguing evidence to support the theory that old cells help make old bodies. In a study of baboons, scientists showed that as these animals age, the number of aging cells in their skin significantly increases.

12 Feb 2006

'Sexercise' will keep you healthy and young

According to British health experts if you want to get fit forget the gym, jogging round the park and doing sit ups, a workout between the sheets is a more effective and enjoyable way of keeping healthy.

12 Feb 2006

New DNA-based cell adhesion strategy

A new technique in which single strands of synthetic DNA are used to firmly fasten biological cells to non-biological surfaces has been developed by researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California at Berkeley.

9 Feb 2006