immunity News and Research

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Red blood cell transfusions under scrutiny - research reveals potential harm

Bristol scientists have found that red blood cell transfusions given to people having heart surgery could increase the risk of heart attack or stroke.

27 Nov 2007

Discovery of new signaling molecule could lead to the development of new treatments for cancer

Investigators at St. Jude Children's Research Hospital have discovered a new signaling molecule that prevents immune responses from running amok and damaging the body.

21 Nov 2007

New human rhinovirus associated with pediatric respiratory tract infection in Germany

Using a rapid, sensitive, and inexpensive diagnostic tool called MassTag PCR, scientists at Columbia University Mailman School of Public Health's Center for Infection and Immunity implicated a new human rhinovirus as the cause of severe pediatric respiratory tract infections in Europe.

21 Nov 2007

Hormone norepinephrine may hasten the progression of certain blood cancers

Researchers here have shown that in cell cultures, the stress hormone norepinephrine appears to promote the biochemical signals that stimulate certain tumor cells to grow and spread.

20 Nov 2007

Tamiflu significantly reduces illness severity and duration in children one year and older

...particularly if given within 24 hours of symptom onset, according to new data presented at the World Society for Pediatric Infectious Disease (WISPID) meeting in Bangkok 15-18 November.

16 Nov 2007

CD200 stifles anti-tumor immunity

The prognosis for individuals with metastatic melanoma (MM) is not good. Therapeutic strategies to enhance the immune response have some clinical benefit; however, most patients eventually succumb to progressive disease, in part because their immune cells known as dendritic cells (DCs) fail to sustain an effective antitumor T cell immune response.

16 Nov 2007

Most UK citizens susceptible to hep B infection

The failure of the UK to introduce universal hepatitis B immunisation means that most UK citizens are susceptible to infection, warns an infectious diseases expert in this week's BMJ.

13 Nov 2007

Chicken pox vaccination should be introduced for children in the UK

The only realistic way of preventing deaths and severe complications arising from chickenpox is to routinely vaccinate children against the disease, concludes research published ahead of print in Archives of Disease in Childhood.

13 Nov 2007

Seattle Post-Intelligencer examines reactions of people who participated in Merck's canceled HIV vaccine

The Seattle Post-Intelligencer on Friday examined the reaction of volunteers in the Seattle arm of Merck's recently halted HIV vaccine trial. According to the Post-Intelligencer, participants who were interviewed on the condition of anonymity have voiced "decidedly mixed feelings" about participating in the trial because of safety concerns (Paulson, Seattle Post-Intelligencer, 11/9).

12 Nov 2007

Whole parasite malaria vaccine to be manufactured for clinical trials

Sanaria Inc. and the PATH Malaria Vaccine Initiative has officially opened a one-of-a-kind clinical manufacturing facility to produce a vaccine that uses a weakened form of the malaria parasite to fight a disease that annually kills more than one million people, most of them African children.

29 Oct 2007

In the event of a bird flu pandemic more vaccine will be ready

The World Health Organization (WHO) has revised it's estimate of how much bird flu vaccine could be available were a pandemic scenario to unfold.

24 Oct 2007

Stanford seeks volunteers for flu vaccine study

Researchers at the Stanford University School of Medicine and Lucile Packard Children's Hospital are looking for adults and children to participate in three studies that will help them better understand how the flu vaccine works in people of different ages.

22 Oct 2007

Immune cells can simultaneously stimulate and inhibit killer cell activity

Dendritic cells, which are responsible for teaching other immune cells to attack infected or mutated cells, face a dangerous predicament.

22 Oct 2007

The truth about your immune system

Vitamins, minerals, and herbal supplements can help complement a healthy diet and lifestyle, but consumers shouldn't count on them to boost their immune response, says the new edition of a Harvard Medical School report, The Truth About Your Immune System: What you need to know.

22 Oct 2007