Immune System News and Research

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Sperm's immune-protection properties could provide link to how cancers spread

Sugar-based markers on human sperm cells which may prevent them from being attacked by the female immune system could provide a vital clue to how some cancers spread in the human body, according to new research published on 14 December 2007.

14 Dec 2007

Ingredient found in human semen enhances HIV infection

A plentiful ingredient found in human semen drastically enhances the ability of the human immunodeficiency virus (HIV) to cause infection, according to a report in the December 14, 2007, issue of the journal Cell, a publication of Cell Press.

14 Dec 2007

Profound immune system discovery opens door to halting destruction of lupus

A researcher funded by the Lupus Research Institute (LRI) has discovered an entirely new and powerful molecular switch that controls the inflammatory response of the immune system.

14 Dec 2007

New principle for developing vaccines

Infections with a certain type of bacteria (group B streptococcus) can lead to severe, sometimes life-threatening, infections in newborn infants.

14 Dec 2007

New study suggests why vaccines directed against cancer, HIV don't work

Researchers from the University of Missouri and Imperial College London have found evidence suggesting why vaccines directed against the virus that causes AIDS and many cancers do not work.

14 Dec 2007

Molecular 'trip switch' shuts down inflammatory response

Like a circuit breaker that prevents electrical wiring from overheating and bringing down the house, a tiny family of three molecules stops the immune system from mounting an out-of-control, destructive inflammatory response against invading pathogens, researchers at the Salk Institute for Biological Studies have found.

14 Dec 2007

MicroRNA regulates cancer stem cells

One of the biggest stories in cancer research over the past few years has been, unexpectedly, stem cells.

14 Dec 2007

Immune system may target some brain synapses

A baby's brain has a lot of work to do, growing more neurons and connections.

14 Dec 2007

Zebrafish study shows key enzyme in gut is a peacemaker

University of Oregon scientists, using zebrafish to study the gastrointestinal tract, say that an enzyme long assumed to be involved in digestion instead is a detoxifying traffic cop, maintaining a friendly rapport between resident gut bacteria and cells.

13 Dec 2007

Blood transfusions linked to surgery complications in women

Women die and get infections more often than men after heart surgery because they tend to receive more blood transfusions, which boost the risks of bad outcomes, according to a study published in the December Journal of Women's Health.

13 Dec 2007

Great-grandparent of all the cells of the blood identified

Researchers at the Stanford University School of Medicine have isolated a human blood cell that represents the great-grandparent of all the cells of the blood, a finding that could lead to new treatments for blood cancers and other blood diseases.

13 Dec 2007

PET/CT imaging proves golden for detecting cancer in children

PET/CT imaging exhibits significantly higher sensitivity, specificity and accuracy than conventional imaging when it comes to detecting malignant tumors in children, according to research published in the December issue of the Journal of Nuclear Medicine.

13 Dec 2007

Milk and egg allergies persist well into the school years and beyond

Considered “transitional” a generation ago, milk and egg allergies now appear to be more persistent and harder to outgrow, according to new research from the Johns Hopkins Children's Center.

13 Dec 2007

Shingles virus and vaccination

When a vaccine to prevent shingles was approved for use in 2006, the Food and Drug Administration recommended the vaccine for people age 60 and older who previously had chickenpox.

13 Dec 2007

Immune compound blocks virus' ability to hijack antibodies

Researchers at Washington University School of Medicine in St. Louis have shown that a controversial phenomenon known as antibody-dependent enhancement (ADE) of infection is suppressed by C1q, a blood-borne immune system compound.

13 Dec 2007

Crimean Congo hemorrhagic fever virus strips away immune system's defensive measures

When the alert goes out that a virus has invaded the body, cells that have yet to be attacked prepare by "armoring" themselves for combat, attaching specific antiviral molecules to many of their own proteins to help resist the invader.

13 Dec 2007

Carbamazepine based drugs to include new advice for patients with Asian ancestry

The U.S. Food and Drug Administration today announced that the manufacturers of drugs containing the active ingredient carbamazepine have agreed to add to the drugs' labeling a recommendation that, before starting therapy with the drugs, patients with Asian ancestry get a genetic blood test that can identify a significantly increased risk of developing a rare, but serious, skin reaction.

13 Dec 2007

Extracts from fungi show potential as prostate cancer treatment

A new development in the fight against cancer: Recent research at the University of Haifa found that molecules found in common fungus Ganoderma lucidum aid in suppressing some of the mechanisms involved in the progression of prostate cancer.

13 Dec 2007

Velcade, lenalidomide and dexamethasone combo show promise for multiple myeloma

A new combination of bortezomib (Velcade) and two other drugs is showing a very high response rate in patients newly diagnosed with multiple myeloma, a team headed by Dana-Farber Cancer Institute investigators reported at the annual meeting of the American Society of Hematology.

13 Dec 2007

Epigenomic test that could improve treatment for specific gastric cancers

A study by researchers at the John Wayne Cancer Institute at Saint John's Health Center in a recent issue of Journal of Clinical Oncology identifies activation of the enzyme COX-2 in gastric cancer tumors as a prognostic indicator for poor outcome.

12 Dec 2007