Tag: "vaccination" at biology news

Change In HIV May Precipitate AIDS

...mely useful in developingand testing therapies and vaccination strategies....

Pitt Researchers Develop Strategy To Use Dendritic Cells To Treat And Prevent Tumors

...ent's tumor." Previous approaches to tumor vaccination have required that researchersidentify and isolate antigens from cancer cells and then develop ways tointroduce them to a patient tostimulate an immune response. Because identifying and obtaining tumor antigensis such a difficult task, most cancer v...

New Tuberculosis Vaccine Candidate Developed: Improved Delivery Of Antigens By Current Vaccine BCG (Bacille Calmette-Gurin)

...ly measure for tuberculosis control has been vaccination with BCG. General agreement exists that BCG can protect or at least ameliorate severe forms of tuberculosis in children. Yet, it seems to be of low or no protective value in adults. M. tuberculosis belongs to the group of intracel...

Wistar Research Yields Information About Colorectal Cancer Cell Invasion

...al andcellular immune responses of CRC patients to vaccination with the GA733 antigen. The program project will conclude with a Phase I clinical trial that will giveinsight into the immunological mechanisms that might underlie the possibleclinical effects of the vaccine. Both humoral and cellular immune respon...

LSU Ag Center Brucellosis Specialist May Help Stem Bison Controversy

...tion. Therefore, they wouldnot favor conventional vaccination of bison in Yellowstone, Elzer explains. T...s vaccine could beused on elk and bison. And oral vaccination would minimize human contact. We've made a lot of progress," Elzer says. "We think we can pr...

Inhaled drug useful in preventing flu

...f the people studied, 14percent had received a flu vaccination prior to participating in the trial. Zanamivir has...e when a person in the risk groups recommended for vaccination is foundto be unvaccinated by medical personnel after influenza transmission hasstarted. In this ca...

Clinical results with AVANT rotavirus vaccine demonstrate nearly 90% protection in young children

...s recommended universaladministration of rotavirus vaccination in children....

New DNA vaccine could fight fish disease

...egin using a newantiviral vaccine. But because the vaccination involves injecting DNA into fish,there are fears that fish treated in this way will provoke more food scares inEurope and Japan. The new vaccine provides nearly total protection against infectioushaematopoietic necrosis virus, a major problem...

Researchers successfully immunize mice against aggressive cancer

...he flu, Johnson said. "The interesting thing about vaccination against infectious diseases is that it's not a miraculous event," Johnson said. "What you basically do is inject a part of the harmful organism into an individual under circumstances that will not allow it to grow or cause disease. "What you've done ...

Vaccine study to target bioterrorism threat

...d the world free of smallpox in 1980 after routine vaccination proved effective. The Dryvax vaccine is kept by the Centers for Disease Prevention and Control (CDC) in Atlanta, Ga. Dr. Frey said the study will focus on the effectiveness of diluted doses of Dryvax. Of the people enrolled in the study, one-th...

AVAX Technologies' AC Vaccine™ improves relapse-free survival

...in a mouse model of breast cancer, indicating that vaccination with AVAX's AC Vaccine technology resulted in impr...as designed to assess the therapeutic potential of vaccination with irradiated tumor cells modified with the hapten "DNP" (AVAX's AC Vaccine technology), compared ...

DNA-based flu vaccine raises protective immunity

...on of the raised antibody. "This novel approach to vaccination primes the immune system on multiple fronts," said Dr. Harriet Robinson, who helped to develop the vaccine. "A protective response is mounted both in recognition of HA as an antigen and by the stimulatory effects of C3d." DNA vaccines have several di...

Tiny microchips have big promise in fighting serious diseases

...t specific types of cancer. "Cancer prevention via vaccination is a huge frontier," he said. Other than developing the appropriate vaccines, obstacles to overcome also include determining the right dose of the vaccine, where in the body to deliver it and the duration of delivery. "Drug delivery devices would giv...

Vaccine controls AIDS in monkeys, researchers report in Science

...g the full-blown development of AIDS, this type of vaccination strategy could decrease HIV-1 transmission rates b...tein, also could increase the effectiveness of the vaccination approach. The researchers are still uncertain about how long the positive effects of this particular...

UCSF-Harvard team publishes major HIV therapy study over objections of sponsor; compound shows no effect on slowing disease progression

...ficacy has remained unclear. (Efforts to develop a vaccination that would wipe out or prevent HIV infection altogether are also underway at many institutions, including UCSF and Harvard). The current trial was intended to clarify the efficacy of a specific compound developed from a disabled, inactivated form of ...

UI researchers investigate regulation of immune system memory

...y to them during future exposures, is the basis of vaccination strategies. University of Iowa researchers, led by John Harty, Ph.D., associate professor of microbiology, are making progress in understanding how these complicated aspects of the immune response are controlled. The UI team has found that two molecu...

Killer virus

...ioterrorists created a human version of the virus, vaccination programmes would be of limited use. Alibek, who now works on developing novel treatments for anthrax for the defence contractor Hadron in Virginia, says this highlights the drawback of working on vaccines against bioweapons rather than treatments...

Tipsheet: Journals of the American Society for Microbiology

...cycline," say the researchers. "In case a booster vaccination is required to mount an optimal immune response, replication can be switched on transiently at later times by [administering] doxycycline." (K. Verhoef, G. Marzio, W. Hillen, H. Bujard and B. Berkhout. 2001. Strict control of human immunodeficiency...

Biological warfare: an emerging threat in the 21st century

...e, have led to a sharp reduction in the military`s vaccination effort. As for smallpox, routine vaccinations in the United States ended in 1980, the year the virus was officially eradicated, so few Americans still have immunity today. The Centers for Disease Control will make 40 million new doses of the vaccine ...

New prime-boost HIV vaccine strategy shows promise in monkeys

...pment fast-track for human clinical trials. This vaccination strategy kept an HIV-like virus in check in monkey...nimals. The researchers waited seven months after vaccination and then infected all the macaques with a high dose of SHIV. "Most other studies challenge after se...

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