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Tag: "immune" at biology news

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

Measuring the quantity of a certain type of immune cell DNA in the blood could help physicians predic... where stem cells become T cells. The thymus is an immune system organ behind the breastbone that processes immature "precursor" immune cells into specialized...

Gene vaccine for Alzheimer's disease shows promising results

...lasresearchers have found a way of stimulating the immune systems of miceto fight against amyloid proteins t...eated a gene-basedvaccine aimed at stimulating the immune systems of mice to potentiallyfight off plaque-causing amyloid protein in the brain.Their findings a...

Scientists identify molecular events that drive cell senescence

...lasresearchers have found a way of stimulating the immune systems of miceto fight against amyloid proteins t...eated a gene-basedvaccine aimed at stimulating the immune systems of mice to potentiallyfight off plaque-causing amyloid protein in the brain.Their findings a...

Scientists identify new model Of NK cell development

...l but somewhat mysterious components of the body's immune system that are the first line of defense against ...ning how to manipulate this cell type in enhancing immune responses to cancer. "This study is fundamentally about understanding the immune system more fully ...

White blood cell waste disposal system plays critical regulatory role

...haracterized by abnormal numbers of these critical immune cells. Human neutrophils are white blood cells th...tion are not well understood, it is known that the immune signaling molecules IL-17 and G-CSF stimulate neutrophil production. In addition, a newly discovered...

Influenza vaccine uses insect cells to speed development

...e of the virus, called hemagglutinin, to elicit an immune response against that specific strain of the virus. Wang and his colleagues have developed a methodology for rapidly producing and purifying hemagglutinin from an influenza virus. They extract the genes responsible for the production of hemagglutini...

TEL2 gene cooperates with MYC gene to provoke B-cell lymphomas

... with each other to promote pediatric cases of the immune system cancer B-cell lymphoma. This finding, from investigators at St. Jude Children's Research Hospital, is published in the current issue of Molecular Cell Biology (MCB). B-cell lymphoma is a cancer in which the antibody-producing cells (B lymphoc...

Scientists solve structure of key protein in innate immune response

...emistry and Molecular Biology journal. The innate immune system uses the CD14 receptor protein to recognize... probably the most important inducer of the innate immune response." Dr. Lee and his colleagues solved the three-dimensional crystal structure of CD14, provi...

Love at first smell

...cules: choosing only males with the correct mix of immune genes critical for the survival of future offsprin...hat these males smelled repulsive: having too many immune genes for offspring. Dr Siân Griffiths, Cardiff School of Biosciences said: "Since sticklebacks use...

New Treatment Rivals Chemotherapy For Lymphoma, Study Finds

...a cancer of the lymph system, which is part of the immune system. Lymphoma spreads easily through the lymph system and the bloodstream and consequently tends to be widespread when it is diagnosed. Traditional treatment often involves intensive chemotherapy, or a combination of chemotherapy and the monoclona...

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

... Center researchers as to how HIV evades the human immune system may offer a new approach for developing HIV... induce a class of antibodies that a patient's own immune system is programmed to destroy. The Duke team discovered that certain broadly protective antibodie...

Antibiotic might fight HIV-induced neurological problems

...s replication of HIV and SIV in macrophages -- the immune cells recruited to the brain during HIV infection -- and lymphocytes -- immune cells that carry "sleeping" HIV and SIV even when antiretroviral treatment is effective. "If this p...

Protein offers way to stop microscopic parasites in their tracks

... a potentially life-threatening infection when the immune system is weakened by illnesses such as HIV or is ...that can go off and cause serious trouble when the immune system wanes or is compromised," explains L. David Sibley, Ph.D., professor of molecular microbiolog...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...nerability that appears later during stress on the immune system. Researchers at the University of Colorado ...with salt water as newborns. In other words, under immune stress, the early-infected rats learned to fear the place where they'd been shocked significantly le...

Effective Cancer Treatments Follow The Clock

... internal biological clock affects the survival of immune cells that are targets of the anti-cancer drug cyc...ers analyzed the activity of the knockout animals' immune system B cells, they found evidence that the activity of the Clock and Bmal1 genes determined the ce...

Pathogen-Mimicking Vaccine As Strategy For Cancer Therapy

...e CpG 7909 DNA sequence is safe, and increases the immune system's ability to recognize and destroy cancer c...se to a vaccine, which is essentially tricking the immune system into thinking the vaccine is a bacterial infection," says lead author Dr. Daniel Speiser from...

Yale researchers identify molecule for detecting parasitic infection in humans

...ed a specific protein molecule that is used by the immune system for detection of parasitic infections, lead...anding how infectious parasites interface with the immune system--a problem of great scientific and clinical importance. Most infections are caused by bacter...

Potential treatments for neurofibromatosis

...get of their efforts will be mast cells, which are immune system cells that are involved in asthma and allergic reactions. Mast cells play a role in neurofibromatosis because they also are involved in blood vessel formation -- and tumors need blood vessels in order to grow. "We are beginning to have a bett...

NYU study reveals how brain's immune system fights viral encephalitis

...niversity biologists have uncovered how the innate immune system in mice's brains fights viral infection of ...However, these findings show the redundancy of the immune system--when one response fails to fight infection, others step in." The study was also conducted a...

Drug-resistant bacteria on poultry products differ by brand

...e are the very young, the elderly and people whose immune systems are compromised. In 2000, the Food and Drug Administration proposed to withdraw approval of fluoroquinolone drugs for use in poultry production. That effort has since been stalled by legal objections from Bayer, one of the pharmaceutical com...

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