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Tag: "infection" at biology news

Sheffield scientists light up bacteria

...in general, as well as those involved in detecting infection in battlefield conditions and bacterial contaminat...r deliberate. Currently identifying bacterial infection takes several days and requires swabbing and culturing of bacterial swabs as well as the use of spec...

New recommendations against a major opportunistic infection -- cryptococcosis

...en, the fungus causes meningoencephalitis, but the infection can also be localised in the lungs. The incidence ...ia, it remains the second most fatal opportunistic infection after tuberculosis in individuals infected by HIV, in some countries affecting up to 30% of them in ...

Cold sore virus might play role in Alzheimer's disease

...rpes. Other scientists have found that a herpes infection is active more often ?causing the tell-tale cold s...he virus's life cycle. Herpes simplex is a chronic infection that lives in a person for a lifetime, periodically flaring up in a "lytic" phase where it causes ce...

Mechanisms involved with tumor relapse identified

...ens or tumors in order to protect the host against infection or cancers. Production of interferon gamma by lymphocytes against tumors is considered a sign of good prognosis; however, recent study findings indicate that this may not be the case. The findings were reported in the March 2007 issue of the European...

Infection detectives use disease 'fingerprints' to track common infections in children

...itionally, researchers have looked for clues to an infection by tracking down the virus or bacteria causing it....sease "fingerprint" ?and be able to identify which infection was present. The process to identify such biosignatures is called gene expression profiling, and it’...

Scientists sequence genome of parasite responsible for common sexually transmitted infection

...veloping the most effective medicines to treat the infection and potentially create a way to prevent infection altogether," says NIAID Director Anthony S. Fauci, M.D. Trichomoniasis is a sexually transmitted ...

Scientists find potential 'off-switch' for HIV virus

...sistor to interrupt the reactions leading to viral infection could one day have repercussions in both the lab a... Eventually, these dormant viruses wake up and the infection returns, so it makes sense to try to keep the virus asleep if possible." HIV weakens the body's i...

What recognizes what in plant disease resistance?

...es, the N resistance protein confers resistance to infection by the Tobacco mosaic virus (TMV). The authors used N, and the TMV Avirulence gene, p50, to investigate the mechanism of gene-for-gene resistance. Contrary to current models, which propose that recognition of resistance genes occurs solely through th...

New study may show how to forestall a fatal, virus-caused immune-system meltdown

...ofile of an inappropriate immune response to viral infection ?an important step toward developing new therapies...ally associated with cancers was activated late in infection with the lethal strain of the virus. “We can go in and design an experiment where we can start testi...

Study identifies risk factors for spread of respiratory infections in hospitals

... that may have assisted in the transmission of the infection from one patient to another. This new study sugges...breeding ground for infectious disease. Nosocomial infection can amplify an infectious disease outbreak. It is very important to provide adequate space in hospit...

White blood cells in lung produce histamine seen in allergies

...ger acute asthma attacks. "We hypothesized that an infection in the airway would release histamine from mast ce...ations of mice to mycoplasma, a common respiratory infection in rodents and humans. One population had a genetic abnormality that causes a total lack of mast cel...

Genes may determine success of hip replacement surgery

...n, which occurs when the body is unable to control infection caused by bacteria colonising the artificial implants. DNA samples were taken from all participants to test for genetic variations in genes responsible for generating matrix metalloproteinase 1, or MMP1 for short, interleukin 6, and vitamin D synt...

New antibacterials being developed to tackle MRSA superbug

...s natural bacteria, leaving them open to secondary infection by other pathogenic bacteria, for example Clostridium difficile." Given the urgent need for new antibacterials to tackle staphylococcal infections, Dr Czaplewski believes that the research, supported by this £3.48 million, 33 month award, could res...

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

...Hepatitis A never manages to establish a long-term infection like hepatitis C even though it also destroys MAVS," Lemon said. "This suggests that the degradation of this cell protein is not the main reason that hepatitis C becomes persistent. These results thus provide a new perspective on the chronicity of he...

Map predicting spread of avian flu

...duced a model which can predict the probability of infection from one farm to another; the 'transmission kernel'. They also identify high-risk areas in the Netherlands and analyze various control strategies, concluding that in these regions an epidemic can only be brought to an end by massive culling of suscep...

Gallium: A new antibacterial agent?

...e a promising new therapeutic for the treatment of infection with P. aeruginonsa, a major cause of infection in individuals with cystic fibrosis and of infection acquired in hospital. ...

Producing medicines in plant seeds

...uman antibodies in protecting animal cells against infection with the Hepatitis A virus. This is a significant step forward in making protein production in plants a real alternative to current production methods....

No-scalpel vasectomies by skilled surgeons may speed recovery

...in of the scrotum include less bleeding, bruising, infection and pain. Also, the puncture is usually so small t...o-scalpel vasectomies had less bleeding, bruising, infection and pain during surgery and follow-up. Doctors using the no-scalpel method had more surgical difficu...

Mosquito repellents that emit high-pitched sounds don't prevent bites

...d to reduce bites means that they could not reduce infection rates. ...

Antivirals effectively curb influenza virus

...id not appear to reduce the frequency of influenza infection in their contacts. In exploring the reasons for oseltamivir's greater effects on infectiousness, the authors speculated that the different modes of administration ?oral for oseltamivir and inhaled for zanamivir ?and resultant upper-respiratory vir...

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