Tag: "immune" at biology news

Duke Study Shows Early Marrow Transplant Key To 'Bubble Boy' Disease Cure

...eporting thatthe disease, known as severe combined immune deficiency (SCID), can be curedin many cases if di...bies born with the disorder can be given a healthy immune system ifthey receive a bone marrow transplant within three months of birth. Theyalso have learned t...

Duke researchers find existing drugs can stop fungus that attacks AIDS patients

... kills AIDS patientsand other people with weakened immune systems. The researchers said the compounds... healthy person, it is mostly harmless, becausethe immune system effectively combats the organism. However, in people withsuppressed immune systems, the organ...

Calorie Restriction Reduces Age-Related Muscle Loss

...own age-related deficits in behavior and learning, immune response,gene expression, enzyme activity, hormonal action, DNA repair capacity,glucose tolerance and rates of protein synthesis. Weindruch, who co-authored the first text on dietary restriction,an in-depth review article in Scientific American and ...

Enhancin Protein Attacks Insect Immune System

...estine,) is an important component in the insect's immune system against biological control agents. We've finally defined the site of the action of enhancin on the peritrophic matrix." Enhancin binds to a major mucinous protein of peritrophic matrix, destroying the matrix structure, thus allowing the bacu...

EPA's Plant-Pesticide Policy Threatens To Stifle Development Of Pesticide Alternatives And International Trade

...e traits would be like trying toregulate the human immune system without knowledge of the genetic informationinvolved. Since all plants are resistant to some pests, the term "plant-pesticide"implies that all plants contain pesticides and therefore, so does food made fromplants, Beachy added. This i...

CSIRO Discovery Fights Cell Ageing

...also shown that Beta Alistine'maintains the skin's immune defences which are suppressed by exposure tothe sun's ultraviolet rays. Scientists in the UK, working with the Australiancompany Peptech PL, have shown that Beta Alistine' can protect cell proteinsfrom naturally-occurring damage. Beta Alistine' has ...

First Salmonella Vaccine For Poultry To Be On The Market Soon

...bacteria, allowing it in vaccine form to induce an immune response in a chicken without making the bird sick...a fight ensues between the bacteria and the host's immune system. "By deleting the genes, we make sure that the salmonella has its hands tied behind its back...

Gene Shears In Cutting Edge Anti-Aids Trial

...+ lymphocyte,which forms the backbone of the human immune defence against attacks byinfection. Loss of these white blood cells causes the immune system eventuallyto break down. The basis for the trial is the original discovery by CSIRO Plant In...

Scientists Unlock Mystery Behind Proteins That Keep Tuberculosis Bacteria Alive; Finding Leads To Research Into New Drug Treatments

...efend the body against TB. Antigen85 activates the immune system after a person is exposed to mycobacteriumtuberculosis, the bacteria that causes the disease. But recently, microbiologists John Belisle, Varalakshmi Vissa andGurdyal Besra discovered the set of proteins has another face. Antigen 85 al...

Common Childhood Virus Poses Threat To Adults, Research Shows

...tates acquires RSV before the age of two, as their immune systemsare developing. Adults most vulnerable to infection are those who have undergonechemotherapy or organ transplants, as well as those with HIV. If a patient has a severe enough case of RSV to need the help of a breathingmachine, doctors can tre...

Discovery Of Genetic Pathways May Provide New Ways To Combat Candida Infections

...ious and devastating effects on patients with weak immune systems," says Dr. Fink. "Our study also shows th... associates recently captured on video the fate of immune cells infected with Candida in a petri dish. When Candida enters a host, the organism is eaten up b...

Molecular Piracy Turns Protein Into Traitor

... for a molecule that would prevent an inflammatory immune response that might clear the virus. "The hope is... as rheumatoid arthritis or asthma where the human immune system is abnormally activated or even as a means of understanding transplant rejection. It may also...

Trojan Horse Virus Controls Hiv Infection

...enting cells, such as dendritic cells,for mounting immune protection against an invading pathogensuch as HIV. NIAID, a component of the National Institutes of Health (NIH), supports researchon AIDS, malaria and other infectious diseases, as well as allergies and asthma. NIH is an agency of the U.S.Depart...

Mutant Gene Not Sole Explanation For Hiv Non-Progression

...e group," says Dr. Fauci. "Multiple immune system factors, genetic and other h...atients, who usually have preserved immune function and low levels of HIV in their bodies." Recent research ...

Smoking Mice Lead To Emphysema Breakthrough

...that lungs lacking a certain enzyme are apparently immune toemphysema. The discovery, described in the Sept. 26, 1997, issue of Science,throws serious doubt on conventional theories of the disease, and researchersare already using the finding to search for potential new drugs. Steven D. Shapiro, M....

Report Notes Difficulties In Eliminating E. Coli O157:H7 From Food Supply

... and reinfectcattle, even those that have a strong immune response to it, Buchanan and Doylewrote. Results of two major U.S. surveys indicated that about 3 percent ofdairy calves and 2 percent of feedlot cattle had E. coli O157:H7. Young animalstend to carry the pathogen more frequently than adults. Thoug...

Bowman Gray Scientists Find Novel Way To Block AIDS Virus

...lls calledlymphocytes is blocked, making the cells immune to infection by HIV-1. HIV-1 virus causes ...hose functions are essential to maintain the human immune system. Chen's advance is based on the recent discovery of the critical role ofchemokine r...

Two-Pronged Attack On Immune System Cells Engineered By HIV Gene vpr: Effects Markedly Reversed By Antisteroid Compound RU-486

...ined roles in HIV'sremarkable ability to elude the immune system and, in fact, directly infect thevery cells...infected by HIV, called macrophages, thus blunting immune activationof these cells. Cytokines are chemicals used by the immune system to initiateand control m...

Oral Vaccine Protects Infants From Severe Rotavirus Diarrhea

... to make a protein on the virus' surface, wherethe immune system can easily recognize it and then tailor-make antibodies to fight that viral strain. When making the rhesus rotavirus-tetravalent (RRV-TV) vaccine, the NIAIDresearchers used this substitution strategy to create weakened forms of three ofthe fou...

Purdue Research Shows Omega-3S Benefit Bone

... retinal development in infants, that they improve immune functions, they alleviate arthritis symptoms and inflammation, and they lower the risk for cardiovascular disease." Food industry representatives who attended the NIH conference reported that they have found ways to increase levels of omega-3 fatty a...

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