Tag: "immunity" at biology news
Duke Study Shows Early Marrow Transplant Key To 'Bubble Boy' Disease Cure
...f infection, as well as slowing the development of immunity
from thedonor transplant. Buckley also found that transplants can be done without exposing theinfant to toxic chemotherapy, which can have life-long repercussions. Many doctors give chemotherapy to all bone marrow transplant patientsbecau...
First Salmonella Vaccine For Poultry To Be On The Market Soon
...hicks, breeders and laying hens develop a lifelong immunity
to salmonella. The immunity
is transferred to offspring and eggs that people consume. The vaccine is in its final stage of test...
Mutant Gene Not Sole Explanation For Hiv Non-Progression
...s the best evidence that protective immunity
may exist in HIV infection," says Dr. Fauci. "We owe an enormous debt to the many patients who have come to Bethesda to take part in our studies. The contribution that these individuals have...
Recombinant Protein Immunizes Mice, Promises New Strategy Against Infection And Cancer
... an immune response againstovalbumin and developed immunity
against cancer cells that make ovalbumin. These ovalbumin-producing cancer cells normally kill unimmunized mice. "These results have led us to use the same heat shock fusion technologyto develop vaccine candidates against AIDS and other inf...
Chlamydia Vaccine Developed At UMass
...y to generate specific antibodies, which result in immunity
to disease. But the hard-to-handle GLXA led these scientists to use a two-step approach in creating a vaccine. MacDonald and Stuart immunized mice with GLXA, and ultimately were able to produce a hybrid cell that produces the correct antibody and rep...
Hurdle In Ulcer Vaccine Development Cleared
...place. So an effective, cheap vaccine that boosted immunity
after everyexposure would be incredibly important." Berg is the Alumni Professor inMolecular Microbiology and a professor of genetics at Washington UniversitySchool of Medicine in St. Louis. In the study, the collaborators focused on the micr...
Global Warming Would Foster Spread Of Dengue Fever Into Some Temperate Regions
...nce inhabitants of these border regions would lack immunity
from past exposures, dengue fever transmission among these new populations could be extensive." Unlike the yellow fever virus, carried by the same mosquito, the dengue virus is not vulnerable to any vaccine or drug. Major epidemics of dengue have occ...
Growth Factors Shown To Increase Vitamin C In The Immune System
...s. "We now know that the growth factors that boost immunity
also increasethe amount of vitamin C in the immune cells," said Dr. David Golde, Physician-in-Chiefof Memorial Sloan-Kettering Cancer Center and senior author of the study. The researchers studied vitamin C in immune cells to determine whethergrowth ...
Pitt Researchers Develop Strategy To Use Dendritic Cells To Treat And Prevent Tumors
...interaction withtumor cells can evoke long lasting immunity
to the tumor," suggested Dr. Falo. "One possible advantage of the co-culture vaccine approach over fusionbased treatments or other existing tumor cell based immunotherapies is the shorttime period required to make the vaccine," said Dr. Falo....
Leading HIV Researcher Identifies Molecular Mechanism That Enhances NaturalImmune Defense Against HIV Infection
...search should focus on what appears tobe a natural immunity
to the virus in some people. These infected indiv...did not mount thisresponse. "We think this immunity
results from exposure to low amounts of virus,which is enough to get the cellular immune antiviral r...
Cystic Fibrosis Gene Protects Against Typhoid Fever
...d orally, and thus might be useful for stimulating immunity
at themucosal surfaces that line the stomach and gut. AIDS researchers supported by NIAID recently initiated a clinical trial of anexperimental vaccine composed of a weakened form of S. typhi into which a genefor a human immunodeficiency virus (HIV)...
Fetal Lead Exposure May Reduce Immunity
...eir risk for allergic disease while reducing their immunity
to tumors." The Cornell researchers are now conducting parallel studies on early lead exposure with embryonic chickens as animal models, but have no plans to extend the studies at the university to humans. But humans subjects, they say, would not be...
Colorado State Research Indicates Two TB Vaccines Show Promise
...oduces a specific protein that also is involved in immunity
to TB. This same approach, using a DNA sequence fr... is given to small children, but evidence suggests immunity
wears off. "Judging from the results of clinical trials in India and elsewhere, we're pretty certa...
Interleukin-12 Helps Control Mycobacterium Avium Infection
...otocol is evaluating a way wemight enhance natural immunity
to the infection while continuing to useantibiotic therapy." M. avium is a ubiquitous type of bacteria found in water, mist, dust, soil andbird droppings. People usually become infected through contaminated food andwater or, less often, by inhaling ...
Boosting Immune Response Against HIV-1 Key To Controlling Infection, Say University Of Pittsburgh Researchers
...ferred to as killerT cells, to establish long-term immunity
against HIV-1. Findings presented by Charl.... "If we can permanently boost a patient's immunity
to HIV, we couldeventually discontinue the complex regimen of drugs which can involve up to 18pills ...
Reengineered Poliovirus Proves Effective As Vector For Prompting Key Immune
Response In A Study With Mice
...ution in the developing world, and caninduce local immunity
at mucus membranes sites. This targeted local immunity,said Andino, could potentially offer protection against respiratory orgastrointestinal pathogens or diseases that gain access through mucosal ports ofentry, such as sexually transmitted diseases...
Studies Rebut Concept That Body Stores Vitamin A-Making Substances
...s and has been linked with poor growth inchildren, immunity
problems anddeath. The World Health Organization estimates that 2.8 million preschoolchildren are at risk of blindness, and thehealth of 251 million people is compromised. "In many countries, either because of lack of access or because of religiousp...
University of Florida Research Shows Zinc Triggers Body's Defenses
...r zinc deficiency, whichhas been tied to decreased immunity
in the United States and to widespreadinfections in developing countries. The best source of zinc in the diet is meat, although the mineral alsoispresent in grain, beans and vegetables. "You can get a good amount of zincthrough a healthy diet...
Anti-Microbial Agent Kills Influenza Virus
...a few viral strains each year and ittakes time for immunity
to develop. BCTP appears to inactivate the virus oncontact." The research is funded by DARPA's Unconventional Pathogen CountermeasuresProgram. The U-M and Novavax have filed a patent application covering BCTP'suse as a decontamination agent for var...
Drug Therapy Shows Promise In Preventing Hepatitis Infection In Transplant Recipients Who Receive Hepatitis B Positive Livers, Says One Study
...xposed to hepatitis (anti-HBs negative) and had no immunity
tothe virus (anti-HBc negative). Eight others, most of whom were also listed inthe most urgent status categories, had previously been exposed to the virus buthad not developed immunity.One patient received only HBIG therapy because in 1996, at the t...
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