Tag: "infected" at biology news

Gladstone investigator Mike McCune wins prestigious NIH Director's Pioneer Award

...tive vaccine strategies for those at risk of being infected with HIV. In recent years, McCune and his Gladstone team have focused on disease-causing mechanisms of HIV infection in research mice. They have also studied HIV effects on the production of disease-fighting white blood cells in patients with HIV ...

Pacific Northwest team unveils largest virus proteome to date

...of Americans 40 years and older. Few know they are infected and show no ill effects, but HCMV is the leading viral cause of birth defects and is a serious threat to transplant and AIDS patients and others with a compromised immune system. "Our labs identified the viral and host proteins that compose the HC...

UCI scientists successfully target key HIV protein; breakthrough may lead to new drug therapies

...ad most commonly by having unprotected sex with an infected person. Funded by the Arnold and Mabel Beckman Foundation, the Burroughs Wellcome Fund and the National Institutes of Health, the three-year research effort involved innovation in small molecule discovery. Conducted entirely at UCI, the multidiscipli...

Master of antimalarial resistance

...ccording to Fidock and colleagues. When a human is infected with malaria, the parasite lodges itself inside the red blood cells of its new host, drawing on the cells' hemoglobin molecules for sustenance. As the parasite digests the hemoglobin inside a membrane pocket called the digestive vacuole, it creates a...

Cannabis may help combat cancer-causing herpes viruses

.... Another is Epstein-Barr virus, which predisposes infected individuals to cancers such as Burkitt's lymphoma ...activation of the virus boosts the number of cells infected thereby increasing the chances that the cells will become cancerous. The USF team, led by virologis...

Chemical genetics identifies SARS inhibitors

... of an atypical pneumonia. Within a year the virus infected more than 8000 people in 29 countries and claimed more that 900 human lives. Lack of knowledge about the novel virus and the absence of therapeutics were the primary reasons that the outbreak could not be contained and managed efficiently. With the g...

Simian virus 40 not associated with non-Hodgkin lymphoma, study shows

...ely than healthy people to have been exposed to or infected by simian virus 40 (SV40), a macaque polyomavirus that contaminated poliovirus vaccines in the mid-20th century, according to a new study in the September 15 issue of the Journal of the National Cancer Institute. SV40 has been suggested as a cause ...

Pioneering AIDS researcher to speak at UH

...tes expect the total case load to reach 10 million infected with HIV by 2010. Ho will talk about a DNA vaccine that has already reached phase-I human trial, as well as discuss two more vaccines under development. These vaccines under development are based on a viral strain common in Chinas southwest region...

First glimpse of DNA binding to viral enzyme

...nts with compromised immune systems, such as those infected with human immunodeficiency virus (HIV), an opportunistic adenovirus infection can be deadly. During infection, adenovirus makes an enzyme called a protease, which cleaves or degrades viral "scaffolding" proteins to complete the maturation of n...

Missing genes may help explain why plague bacteria are so deadly

...tential to be spread through the air as well as by infected fleas. To get at the genetic basis for the deadly nature of Y. pestis, the Livermore-led researchers first sequenced the complete genome of Y. pseudotuberculosis, an animal and human pathogen that can cause fever and appendicitis-like pain if ingeste...

The birth of reproductive health: A difficult delivery

...me of the Cairo conference, 20 million people were infected with HIV; now it is 38 million. Although the world is scaling up AIDS prevention and treatment to millions worldwide, few of the agencies involved come from the world of reproductive and sexual health. "This is a pity because it fails to make use o...

Viral suspect for amphibian decline traced to human spread through bait

... remote locations through the vector of live bait infected salamanders being distributed and introduced to uncontaminated environments by fishermen and interstate bait wholesalers. A research article by a team (see end of release) headed by Arizona State University ecologist James Collins forthcoming in the ...

Common cold virus can cause polio in mice when injected into muscles

...mptoms of polio. The manner in which the mice were infected with Coxsackievirus facilitated its unusual behavi...us's ability to access the types of cells normally infected by polio. In studying the virus' action within infected mice, they found that the virus traveled fro...

Identifying tick genes could halt disease, bioterrorism threat

...cks and how gene expression changes when ticks are infected with disease-causing microorganisms. "Once we begi...ases. Ticks spread disease by taking blood from an infected animal and then feasting on another animal. They need the blood to grow from egg to adult, and the a...

Veterinarians discover first known case of canine distemper in a wild tiger

...uspected that the tiger caught the disease from an infected domestic dog. Despite heroic efforts to save her, the tiger died. "With less than 500 Siberian tigers left in the wilds of Russia, this is a very serious threat that could contribute to the loss of this severely endangered population," said Dr. Quig...

Probing the surface of white blood cells to enhance immune system medicine

...se is their ability to migrate from the blood into infected tissues. The process of squeezing between the cells lining blood vessel walls and into the surrounding tissue is known as 'extravasation'. Research indicates that microvilli may play a key role in this process. They allow white blood cells hurtling t...

New HIV findings

.... "This is the first time we have seen a patient infected with two different forms of drug-resistant HIV," s...y. "We originally believed, once an individual was infected with one type of HIV they became immune to another HIV infection. Our findings clearly show that th...

Streptococcus infects humans by thwarting blood clotting

..."The critical experiment, though, was when Hongmin infected the skin of these transgenic mice with the group A streptococcus bacteria," said Ginsburg. "She found that the bacteria were much, much more toxic to these mice than the normal mice. This fit with the idea that streptokinase was an important componen...

UC Irvine scientists to develop vaccine to combat bioterrorism threat from deadly bacteria

... soil. Contact with the blood or body fluids of an infected person also can spread the disease. Symptoms of melioidosis include fever, anorexia, muscle aches and chest pain. The disease can result in pulmonary infections ranging from mild bronchitis to severe pneumonia. Some patients also suffer septic shock...

Disease-resistant papaya saves Hawaiian papaya industry

...pick up the virus on their mouths while feeding on infected plants and continue to feed on healthy plants. In...eir farms without first clearing their land of all infected papaya trees. The percentage of Hawaii's fresh papaya production produced in Puna has risen from a l...

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