Immune System News and Research

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Aggressive melanoma cells secrete Nodal - protein critical to embryo formation

A Northwestern University research group has discovered that aggressive melanoma cells secrete Nodal, a protein that is critical to proper embryo formation.

6 Aug 2006

HIV virus can survive efforts to destroy it by hiding in the mucosal tissues of the intestine

UC Davis researchers have discovered that the human immunodeficiency virus, the virus that causes AIDS, is able to survive efforts to destroy it by hiding out in the mucosal tissues of the intestine.

6 Aug 2006

Interleukin 21 may enhance the effectiveness of Herceptin

Preliminary research suggests that a drug that targets a particular type of breast cancer might be more effective if patients are also given a substance made by the body that stimulates certain immune cells.

6 Aug 2006

Researchers discover one of the malaria parasite's sneakiest tricks

Researchers have discovered one of the malaria parasite's sneakiest tricks--using dead liver cells to cloak and transport itself back into the bloodstream after leaving the liver.

4 Aug 2006

Turning the immune system against cancer

Medicine can now prevent a host of diseases with a mere shot of vaccine. Polio and smallpox are almost non-existent, and mumps and chicken pox are rarely seen nowadays.

4 Aug 2006

Methamphetamine increases production of protein that promotes the spread of the HIV-1 virus in infected drug users

Researchers at the University at Buffalo have presented the first evidence that the addictive drug methamphetamine, or meth, also commonly known as "speed" or "crystal," increases production of a docking protein that promotes the spread of the HIV-1 virus in infected users.

4 Aug 2006

Stopping antiretroviral therapy in HIV-infected patients could be beneficial

Stopping antiretroviral therapy in HIV-infected patients from time to time could reduce the side effects and costs of the treatment, according to a study in this week's issue of The Lancet.

3 Aug 2006

Longer needles best for infant immunisation

Infants vaccinated with a long needle experience fewer reactions but get the same protection (immunogenicity) as a shorter needle, finds a study published on bmj.com today.

3 Aug 2006

Genomic expansion and diversification in a African sleeping sickness parasite allow it to evade host detection

A team of scientists headed by Dr. Sara Melville at the University of Cambridge has shown that the parasite known to cause African sleeping sickness has evolved an unusual chromosomal structure as a result of environmental adaptation.

3 Aug 2006

Better understanding of intravenous immunoglobulin

For years, researchers have struggled to understand how IVIG worked. It's ability to treat autoimmune diseases seemed to bean apparent contradiction.

3 Aug 2006

Regulatory T cells learn what to protect while in the thymus and that everything the cells learn may not be good

Regulatory T cells, which function like immune system police, learn early in life what to protect, and that may include viruses, bacteria and tumors, researchers have shown.

3 Aug 2006

Toxoplasma may be affecting human behavior on a mass scale

A common parasite found in cats may be affecting human behavior on a mass scale, according to a scientist based at the University of California, Santa Barbara.

3 Aug 2006

Smoking interacts with genetic risk factors in the development of rheumatoid arthritis among older Caucasian women

Smoking increases the chance of developing rheumatoid arthritis in women who otherwise lack genetic risk factors for the disease.

2 Aug 2006

EPA accused of putting industry interests before public health

The U.S. Environmental Protection Agency (EPA) is being put under pressure by a number of states to be transparent, especially when it comes to insisting pesticide manufacturers disclose all the ingredients on their product labels.

2 Aug 2006

Protein CD86 raises antibody output

Cancer immunologists here have discovered how a protein on the surface of antibody-making immune cells boosts the amount of antibody the cells make.

2 Aug 2006

Human papillomavirus type 16 and 18 variants

Variants of human papillomavirus (HPV) 16 and 18 persist longer in people whose ancestors are from the same geographical area as the virus, according to a study in the August 2 issue of the Journal of the National Cancer Institute.

2 Aug 2006

Researchers determine why gene therapy treatment caused leukemia in some X-linked severe combined immunodeficiency patients

Scientists at St. Jude Children's Research Hospital have developed a mouse model of a severe disease of the immune system that helps explain why gene therapy used to treat children with this disease at an institution in Europe caused some of them to develop leukemia.

2 Aug 2006