Tag: "immune" at biology news
Could A 'Vaccine' Made From Our Own Cells Work Against HIV?
...se foreignmolecules and recruit other cells of the immune
system to attack invaders. Theteam added heat-kill...dia, theirresponse was as vigorous as that of mice immune
to the disease because of aprior infection, and none developed signs of disease (The Journal ofExper...
NIAID Scientists Discover HIV Disease-Slowing Mutation
...CR5 gene encodes a protein on human immune
cells that helps HIV enter and infect those cells. Recent studies have shown that individuals who produce mutant forms of CCR5 protein are more likely to resist HIV infection or have slower ...
Wistar Scientists Locate Genes Involved In Mammalian Tissue Regeneration
...olecules likeinterleukin-12, which are helping the immune
system fight bacteria, parasites,viruses and cancer; and location of genes that contribute to the development ofdiseases like breast, lung and prostate cancer. Wistar is a National CancerInstitute Cancer Center....
Fetuses Destined For Abortion May Be Used To Test Gene Therapy
...nwith a hereditary disorder called severe combined immune
deficiency (SCID),caused by the lack of an enzyme vital for the development of the immune
system.At a meeting of the National Institutes of Health Recombinant DNA AdvisoryCommittee (RAC) on ...
Stress Hormone Levels Predict Length Of Gestation In Human Pregnancy
...central role in regulating the body's hormonal and immune
responses to internaland external challenges, including stress. During pregnancy, CRH is alsosynthesized in large amounts by the placenta and is released into maternal andfetal circulatory systems. In previous studies, elevated levels of maternal...
New Hypothesis Proposed For Cause Of Chronic Fatigue Syndrome
...evel viral infection and on the bodys own immune
response to that virus. If true, it would off... research on the effects of stress on the human immune
system. Our data suggests that stress may be causing the expression of certain viral p...
Ohio State Professor Receives Patent For Infectious Bursal Disease Virus Detection Kit
... in this country in the late 1950s, affects the immune
system of young chickens. Signs of the disease ...7 weeks old because these animals have immature immune
cells. The virus replicates in and destroys the immature cells. If two or three percen...
Virginia Tech Scientist Seek Genetic Solution To Malaria
...dentify points in that process where themosquito's immune
system keeps the parasite's development in check,"... Luckhartsaid. "We've discovered recently that the immune
response of mosquitoes involvesthe production of nitric oxide; humans also produce nitric oxide in r...
Viral Vector Delivers Dystophin Gene To Mouse Muscle
...e with muscular dystrophy without triggering their immune
systems toattack the foreign virus. The vector is...ab, reported the same results inmice with a normal immune
system. "Using this new version of our viral vector, we have induced stable productionof dystrophin...
Mouse Study Trumpets New Way To Preserve Species
...hat can readily accept foreign tissues because its immune
system has been suppressed. In those experiments, cryopreserved ovarian tissues from outbred mice or sheep were transplanted into immune-compromised mice. After hormone production was established, those mice with "mouse-to-mouse" transplants wer...
Wisconsin Scientists Culture Elusive Embryonic Stem Cells
...new therapiescan be developed. Ways to prevent the immune
system from rejecting transplanted cells also need tobe developed. However, banking embryonic stem cells with records of geneticcompatibility, or genetically altering cells to reduce or combat immunerejection, are two potential strategies for overcom...
Drug Therapy Shows Promise In Preventing Hepatitis Infection In Transplant Recipients Who Receive Hepatitis B Positive Livers, Says One Study
...stave offpost-transplant infection in patients not immune
to hepatitis B who receivehepatitis B positive livers. Twelve patients who received the combinationtherapy, which started during the transplant operation and continued for 18months, all continue to be free of infection between five and 25 monthspost...
Scientists Locate A Genetic 'On/Off Switch' In Diphtheria; Find May Yield Antibiotics That Won't Boost Bacterial Resistance
...ys. This chain of events is part of the battle our immune
system regularly fightswith a variety of pernicious bacteria. Upon recognizing that iron-cravingbacteria are infiltrating the body, the liver responds by sequestering iron. Thebattle then escalates, with the bacteria retaliating by attacking the body...
First Derivation Of Human Embryonic Stem Cells Reported In Science
...mprove therapeutic value, for instance, to prevent immune
system rejection by transplant recipients. Examples of cells that Geron may develop for transplantation therapies include heart muscle cells for use in repairing the tissue damage inflicted by heart attacks, blood forming cells for use in bone marro...
Quicker Implementation Of Research Results
...re involved in conduction and enzymaticeffects, in immune
responses and regulation processes, and hence are of majorimportance for pharmaceutical and medical research. Scientists at the University of Leipzig also look into "Phenomena atminiaturisation boundaries". How do the physical properties of different...
Novel Viral Vaccine Protects Aids In Animal Model
...ated viral vaccineshave the capacity to prime that immune
system to fight HIV. "We arecurrently treating KU-SHIV-1-infected monkeys with anti-HIV drugs to controlthe viral infection. Then we administer the vaccine to induce an HIV-fightingimmune response. Our goal is to build a therapy regimen around the va...
Treatment With IL-2 Plus HAART Markedly Reduces HIV In Immune System "Hiding Places"
...subcutaneously.IL-2 is a regulatory protein of the immune
system produced in the bodyby T cells. IL-2 has p...ration,differentiation and activity of a number of immune
system cells, notablyT cells. The 14 patients on HAART plus IL-2 received doses of IL-2totaling 3 t...
NASA Exhibit In San Francisco To Show How Space Research Improves Health Care On Earth
...anding ofthe role of a given protein in the body's immune
system and help in thedevelopment of more effective drugs and life-saving treatments for manydiseases....
When Genes "Breed" In The Lab, A Suprising Number Of Their Offspring Are Supergenes
... against viruses than anyproduced naturally by the immune
system. It has also made ultra-efficientversions of an industrial enzyme. When organisms reproduce sexually, the offspring end up with amix-and-match set of genes inherited from both parents. Maxygen's technique issimilar, except the parents ...
SFU Molecular Biologist Pursues 'Promising' New Way To Fight Disease
...ty, hascentered her career's research on the human immune
response to disease. Herresearch into antibodies, ...IDS. "We're really working on only half theoverall immune
response that could be used to prevent infection," she says."Protective antibodies can prevent infec...
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