News articles tagged with 'immunity'
Versatile vitamin A plays multiple roles in the immune system
— 18 Mar 2011 14:59 | HealthAlthough it has been known for some time that vitamin A deficiency is linked with an impaired ability to resist infections, exactly how vitamin A and its metabolites contribute to the…
Scientists ID possible biomarker to gauge Alzheimer's prognosis, effect of therapies
— 18 Mar 2011 14:29 | HealthUCLA researchers have identified a new biomarker that could help them track how effectively the immune system is able to clear the brain of amyloid beta, which forms the plaques considered…
Virus-mimicking nanoparticles can stimulate long lasting immunity
— 24 Feb 2011 20:17 | HealthVaccine scientists say their 'Holy Grail' is to stimulate immunity that lasts for a lifetime. Live viral vaccines such as the smallpox or yellow fever vaccines provide immune protection…
New pneumococcal vaccine approach successful in early tests
— 17 Feb 2011 16:54 | HealthPneumococcus (Streptococcus pneumoniae) accounts for as much as 11 percent of mortality in young children worldwide. While successful vaccines like Prevnar(R) exist, they are expensive…
Circulating blood antibodies are not required for HIV protection
— 11 Feb 2011 16:27 | HealthNew research shows that protective immunity against HIV can be achieved without the presence of virus neutralising antibodies in the blood. The study, published by Cell Press in the…
Salivary glands as organs of immunity: New research makes oral immunisation easier to swallow
— 10 Feb 2011 19:34 | HealthIf you don't like shots or needles, you're in luck. New research published online in The FASEB Journal (http://www.fasebj.org) gives the development of new oral vaccinations a shot…
Turning bacteria against themselves
— 9 Feb 2011 16:50 | HealthBacteria often attack with toxins designed to hijack or even kill host cells. To avoid self-destruction, bacteria have ways of protecting themselves from their own toxins…
Reading the signs: Plants and animals found common ground in response to microbial threats
— 20 Nov 2010 10:37 | BiologyThough it's been at least a billion years since plants and animals shared a common ancestor, they have through the eons shared a common threat in the form of microbes, including bacteria,…
Bacteria use 'toxic darts' to disable each other, according to UCSB scientists
— 19 Nov 2010 12:32 | BiologyIn nature, it's a dog-eat-dog world, even in the realm of bacteria. Competing bacteria use 'toxic darts' to disable each other, according to a new study by UC Santa Barbara biologists.…
Wild Scottish sheep could help explain differences in immunity
— 29 Oct 2010 11:51 | BiologyStrong immunity may play a key role in determining long life, but may do so at the expense of reduced fertility, a Princeton University study has concluded…