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Tag: "vaccinated" at biology news

Jump-starting T Cells In Skin Cancer

...lie's group studied anti-tumor T cells in patients vaccinated with a tumor antigen called MAGE-3. In one patient whose tumor regressed after vaccination, the authors found significantly more T cells specific for non-vaccine tumor proteins than were detected before vaccination. Vaccine-specific T cells, on the o...

Female sex hormones play a vital role in defense against sexually transmitted diseases

... with progesterone provided the best protection in vaccinated mice. "These studies add to the growing evidence that we need to promote more gender-specific medical approaches in future," she said. "We have to increase awareness in both the medical community as well as the public regarding sexually transmitted ...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...me there are 120 days old. In thisexperiment, they vaccinated the mice three times with VRP-neu, and “nota single mouse developed a tumor,?says Lachman.Lachman suggests the vaccine might prove helpful in keeping humanHER2/neu tumors from metastasizing, or spreading, but adds that thisnotion must be tested in hu...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...me there are 120 days old. In thisexperiment, they vaccinated the mice three times with VRP-neu, and “nota single mouse developed a tumor,?says Lachman.Lachman suggests the vaccine might prove helpful in keeping humanHER2/neu tumors from metastasizing, or spreading, but adds that thisnotion must be tested in hu...

Gene vaccine for Alzheimer's disease shows promising results

...said Dr. Rosenberg.The UT Southwestern researchers vaccinated mice with a "gene gun." Thegene gun and gene-vacci...Alzheimer's vaccine." Said Dr. Rosenberg: "When we vaccinated the micewith the mouse form of the amyloid gene, they made lots of antibodieswithout stimulating cyt...

Scientists identify molecular events that drive cell senescence

...said Dr. Rosenberg.The UT Southwestern researchers vaccinated mice with a "gene gun." Thegene gun and gene-vacci...Alzheimer's vaccine." Said Dr. Rosenberg: "When we vaccinated the micewith the mouse form of the amyloid gene, they made lots of antibodieswithout stimulating cyt...

Antibodies from plants protect against anthrax

...that make antibodies from individuals who had been vaccinated against anthrax. Then genes that encode the antibody itself were inserted into a bacterium that transfers the gene into the plant cells. "The plant makes the antibody for you in a few days," says Baillie. The antibodies were then purified from leave...

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

...broadly neutralizing antibodies to bind to, and we vaccinated several kinds of animals. In none did we get any of the good antibodies. That frustrating result led me to ask if something was preventing these good antibodies from being made," Haynes said. "A light went on when I saw that the rare human monoclona...

Live vaccines more effective against horse herpes virus

...activate the horse's immune response. Osterrieder vaccinated five horses with an MLV and five with an inactivat...isorders and less virus in nasal fluids. One horse vaccinated with the inactivated virus and one from the control group showed mild neurological symptoms. All the...

Secret of smallpox's success may lead to bioterror cure

...idence that if you get exposed to smallpox and get vaccinated within 4 days of exposure, the vaccine will protec...een exposed to a lethal vaccinia virus and then is vaccinated with a very low dose of the mutant virus ?only 100 virus particles ?the mouse gets sick but eventual...

Measles Deaths Worldwide Drop By Nearly 40% Over Five Years

...han 350 million children throughout the world were vaccinated against measles through SIAs. As measles wards shut down all over the African continent, a long-term budget item in many hospitals can be freed up to save children from other diseases. “We now have the opportunity to replicate this successful model...

Active Vaccine Prevents Mice From Developing Prion Disease

...vaccines for cholera and typhoid fever. Among mice vaccinated prior to prion exposure, approximately 30% remained alive and symptom-free for 500 days, according to the study. By comparison, mice that didn't receive the vaccine survived only an average of 185 days, and all were dead by 300 days. The NYU scienti...

Old drug, new tricks: Prospects for slashing the impact of malaria

...ince PNG's children routinely attend clinics to be vaccinated against a range of other diseases. The project funding allows significant expansion of joint activities and research among the collaborating institutions. Successful completion of the trial is likely to help inform global health policy in combati...

Experimental shingles vaccine proves effective in nationwide study

...atically reduced its severity and complications in vaccinated persons who got the disease. The findings appear i...in the placebo group compared with only 315 in the vaccinated group. Among all vaccine recipients, the total burden of pain and discomfort due to shingles was 61 ...

Researchers develop new testing methods for potential monkeypox or smallpox outbreak

..., we predicted that about 50 percent of previously vaccinated people would maintain fully protective immunity against virulent poxvirus infections, and these findings are totally in line with what we expected. What this means is that there are more than 100 million people in the U.S. that have partial or even f...

UF scientist finds unexpected link between cat and human AIDS viruses

...the viruses that cause feline and human AIDS: Cats vaccinated with an experimental strain of the human AIDS virus appear to be at least as well-protected against the feline version of the disease as those immunized with the vaccine currently used by veterinarians. The surprise finding may mean cats with feline...

New vaccine platform may fight infections with causes from influenza to bioterrorism

... infected with pneumocystis. Upon examination, the vaccinated mice had significantly less organism in their lungs. According to the researchers, nearly 100 percent (999.999 percent) of the invading pneumocystis was thwarted by the vaccine-induced antibody-mediated process, compared to about 20 percent in animal...

Johns Hopkins flu expert calls for mandatory vaccination of health care workers

...long with occupational health services, at Hopkins vaccinated more than 70 percent of 10,000 hospital staff. "B...to consistently have more than 90 percent of staff vaccinated each year." According to Perl, numerous staff surveys from other hospitals have shown that the most...

New malaria vaccine shows promise in early clinical trial

...estion is whether these immune responses mean that vaccinated people are actually protected against malaria. The... straightforward way to test this is to expose the vaccinated trial participants to malaria and see if they are protected. However, this risky test is not ethical...

Parents need to be educated about HPV vaccinations for daughters

...ho may be asked to consent to their children being vaccinated need to be aware of these important issues." There are nearly 500,000 new cases of cervical cancer diagnosed each year worldwide, and every year nearly 274,000 women die from the disease, with about 80% of these deaths occurring in developing countr...

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