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Tag: "infected" at biology news

Genomic Analysis Uncovers New Targets for HIV Vaccine

...ified three gene variants in the DNA of 486 people infected with HIV that appear to have helped some of the pa...etter understand the virus." When someone becomes infected with HIV, the amount of virus in the blood spikes as the virus multiplies. After this peak, the amou...

Identified main genetic variants involved in response to HIV

...cale study on genetic differences between patients infected by HIV, and is the first study of this kind in the...em so that it is able to locate and destroys cells infected by HIV. This study has also identified a third genetic variation involved in immune damage of patien...

Innovative smallpox vaccine research study to be conducted at Case Medical Center

...aised bumps that appear on the face and body of an infected person. There is no specific treatment for smallpox disease, and the only prevention is vaccination. The World Health Organization declared the disease eradicated in 1980 with the success of a worldwide vaccination program. Routine vaccination agains...

How sneaky HIV escapes cells

... uses a pre-existing transport system to leave one infected cell and infect new ones, Hopkins scientists have ...it now appears they rely on exosomes to get out of infected cells and infect fresh cells. As such, drugs that interfere with exosome formation might be one way ...

CSIRO scientists join fight to save 'Tassie devil'

...ase (DFTD) and possibly develop a test to identify infected animals. DFTD is infectious and is thought to ...nical tests will allow researchers to remove known infected devils, in turn limiting the spread of the disease.” To date AAHL scientists have processed and e...

The insect vector always bites twice

...vector, most often a dipteran insect. This becomes infected when it feeds, taking blood from an infected vertebrate host. The pathogenic agent finds conditions to reproduce and proliferate in the vector’s ...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...t won't be poisoned by it. Eventually, however, an infected person can die from cerebral hemorrhages or anemia that are consequences of red cell infection. Natural products such as quinine, extracted from the cinchona tree, and leaves from the artemisinin shrub were the only options available to treat the...

New bacterium discovered -- related to cause of trench fever

... But genetic detective work revealed that she was infected with a new bacterium that had never before been is...ew paper. Koehler encountered her first patient infected with Bartonella in 1987 during her first week of training in infectious diseases at the AIDS Clinic ...

Herpes virus hijacks DNA repair process

...ally disabled orf36 in the murine herpes virus and infected mouse cells with it, the virus no longer activated...esponse proteins activated by infection. When they infected cells from these mice with murine herpes virus, its ability to reproduce was again curtailed. How D...

454 sequencing identifies HIV drug resistance at early stage

...blood samples taken before drug treatment from HIV infected individuals. The results were presented today at t...if patients that fail therapy early were initially infected with a drug resistant HIV strain or if mutations arose in response to treatment. This research p...

Potato wart eyed as risk to potato production

...l potatoes is restricted. Spores released from infected plants can make soil unsuitable for potato production for decades. The long-term survival of fungal spores and the lack of suitable chemical controls for potato wart suppression make this disease especially problematic for any type of cultivated pota...

Researchers discover 'acquired' DNA key to certain bacterial infection

...vironment and is thought to infect humans when the infected environmental hosts – amoebas – are inhaled or swallowed. Incidence of M. avium as a cause of syndromes may be decreasing because of changes in treatment for HIV-infected patients, according to the Centers for Disease Control and Prevention, whic...

How 'memory' T cells curb the spread of viruses throughout the body

...h nodes and then migrate through the blood to kill infected cells at the site where the virus entered the body (most commonly the skin, the lungs or the gut). This process of lymphocyte multiplication and migration may take several days while viruses multiply and spread quicker. Sigal’s work shows the CD8 T...

Male circumcision overstated as prevention tool against AIDS

...g results. The new study finds that the number of infected prostitutes in a country is the key to explaining the degree to which AIDS has infected the general population. Prostitute communities are typically very highly infected with the virus the...

Ancient retrovirus sheds light on modern pandemic

Human resistance to a retrovirus that infected chimpanzees and other nonhuman primates 4 million ... replicate within the body. "We know that PtERV1 infected chimps, gorillas and old-world monkeys 4 million years ago but left no traces of having infected hum...

Experts predict Tamiflu could halve the pandemic influenza death toll versus no intervention

...oseltamivir) and prophylaxis for people exposed to infected patients could be one of the most cost-effective s...rovide Tamiflu preventatively to close contacts of infected individuals. The disease modelling research analysed for the first time the cost-effectiveness of...

New vaccine prevents CMV infection and disease in mice

...but can’t rid the body of the virus, people remain infected and can become re-infected or infect others through saliva. “Children in day care settings, for example, or adults who are sexually active, can pass along the virus,” explained Spector. “It becomes a serious problem in developing infants during ...

Avian influenza survivors' antibodies effective at neutralising H5N1 strain

...ignificant immunity to mice that were subsequently infected with the Vietnam strain of H5N1. This reduced sign...s particularly important as people who have become infected with the virus do not tend to report to their local healthcare facilities until several days after t...

HIV and malaria combine to adversely affect pregnant women and their infants

... first place." PAM occurs when red blood cells infected with malaria parasites gather in the placenta resulting in damage to both mother and developing infant. First-time mothers are particularly susceptible to PAM whereas women in subsequent pregnancies become protected against PAM. Having HIV results in...

Resistant HIV quickly hides in infants' cells

...s showed that five of 21 HIV-positive infants were infected with drug-resistant HIV transmitted from their mot...Five of 21 HIV-positive infants in this study were infected with drug-resistant HIV transmitted from their mothers. These drug-resistant strains in quickly to...

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