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Tag: "infection" at biology news

Researchers discover new details about HIV-1 entry and infection

The primary targets of HIV-1 infection in the human vagina have been definitively identif...ed individuals worldwide are women who acquire HIV infection following sexual contact," explain study authors Dr. Florian Hladik and Dr. M. Juliana McElrath from...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

...ancer that stemmed from an ulcer-causing bacterial infection in his stomach, rather than a heretofore belief of...der, genetic susceptibility, chronic gastritis and infection by the bacteria Helicobacter pylori . Although genetic susceptibility is a possible cause, it's ...

Stopping plants from getting sick

...gens infect crop plants. These fungi depend on the infection of a plant to complete part of their life cycle. But once that part of their life is over, they can be removed from the plant to be studied in the laboratory. What Kronstad discovered was the method that these fungi use to invade plants and shut d...

Jefferson researchers' discovery may change thinking on how viruses invade the brain

...ile transport must happen ?it’s essential to viral infection and spread and disease progression ?it’s not through this mechanism. There’s more to the story." "We think we have to have a closer look at how viral transport in general works," Dr. Schnell says. "Viral transport has to be revisited." Next, th...

Study uncovers a lethal secret of 1918 influenza virus

... that the 1918 virus prompted a deadly respiratory infection that echoed historical accounts of how the disease...ts victims. Importantly, the new work shows that infection with the virus prompted an immune response that seems to derail the body's typical reaction to viral...

Scientists perform 'tricky' operation

...alis colonises the urogenital tract and causes the infection also known as "trick", the most common non-viral S...e it has the most impact. "This is a problem as infection with T. vaginalis increases the transmission and acquisition of many other serious STIs, including H...

Parasite infection may benefit MS patients

...studies involving animals have shown that parasite infection can influence the course of autoimmune diseases. T...hat an autoimmune response as a result of parasite infection can result in a decrease in the normal inflammatory response associated with MS. They note that evid...

Antibody signal may redirect inflammation to fuel cancer

... immune system are activated following a bacterial infection and in response, produce antibodies that signal leukocytes to attack," said Coussens, associate professor of pathology in the UCSF Cancer Research Institute. "But in precancerous tissue in mice, we have found that leukocytes apparently receive signal...

New test for most virulent HPV strains under study

...r Institute trial shows that if you have a genital infection with HPV types 16 or 18, your chance of getting moderate to severe precancerous cervical changes or cancer is much higher than if you have one of the other types,?says Dr. Ferris, a principal investigator on the national study evaluating the assay. ...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

...wer dead pups and were less likely to transmit the infection to their offspring than were female guinea pigs no...aVax, Inc. Background CMV is a common viral infection related to the herpes virus and often causes few or no symptoms, according to the National Institute...

Key found to kill cystic fibrosis superbug

...t in plants such as onions. While it rarely causes infection in healthy people, it can be fatal for people with cystic fibrosis (CF), an inherited disease where the lungs become clogged with thick mucus, often leading to chronic respiratory infections. The team of researchers has identified a weakness in t...

Bacteria research offers hope for new vaccine against meningococci

...ty after recovery. Only humans are susceptible to infection from meningococci. In its modeling system Ann-Beth Jonsson’s research team therefore used mice that produce the human receptor that the bacteria bind to. Marking the bacteria to emit light, the scientists used cameras to monitor their activities in...

Bacteria from patient's dental plaque causes ventilator-associated pneumonia

...entilator-associated pneumonia is a major cause of infection in the hospital, and studies have shown that this infection can add $40,000 to costs and double the length of stay of the patient in the hospital. Ironically...

Anti-herpes treatment reduces HIV levels in women infected with both viruses

... of HIV-1 acquisition by around three-fold2. HSV-2 infection may also increase HIV-1 infectiousness by disrupti...ntly, an HSV vaccine that would either prevent HSV infection or diminish the clinical and sub-clinical manifestations of HSV with a similar efficacy on HIV as HS...

Viral protein is an effective preventative against infection

...move. "These bacteria take advantage of a viral infection by striking when our resistance is lowered," says ...antibiotic the moment you come down with the viral infection to prevent the secondary infection, but physicians are reluctant to do this for fear of increasing r...

Scientists identify specific enzymes that make meningitis hard to fight

...uccessfully fighting off the disease, and make the infection extremely virulent, have been identified in new research published today. The study found that the two enzymes - which have distinct functions - work together to hamper the body's efforts to fight off the disease. Together they repair damage done t...

Army research mission focused on autism

...irthday he seemed to be sick all of the time, with infection after infection. He stopped eating and was no longer happy and playful. By 17 months he had stopped talking, interacting, or even looking at us anymore; he was in his own little world. At four years old, he had no language, was not potty trained, and...

New culture method for hepatitis C virus uses primary hepatocytes and patient serum

...can Journal of Pathology. Hepatitis C virus (HCV) infection affects approximately 170,000,000 people worldwide...ticles were produced. In both transfection and infection models, virus particles were released in a cyclical manner, with bursts of virus produced every 10-1...

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates

...lable evidence that cases of Clostridium difficile infection (CDI)---one of the most common and increasing type...ssociated with intestinal inflammation. Rarely, CD infection can be fatal. By contrast, drugs that target only specific types of bug cause less damage to norm...

Circumcision: A proven strategy to prevent HIV

...in quite a long time. If we can reduce the risk of infection by such a substantial amount then we can save a lot of lives." In December the National Institutes of Health halted Bailey's trial of male circumcision after the study's independent data safety monitoring board reviewed the preliminary results and...

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