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Study reveals ‘bug wars’ that take place in cystic fibrosis
Scientists have revealed how common respiratory bugs that cause serious infections in people with cystic fibrosis interact together, according to a new study. The results provide insights into how bacterial pathogens wrestle each other for territory that could open avenues for new antibacterial treatments. Studies of microbes from mouths, intestines, chronic wounds and chronic respiratory…
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Increased frequency of eating eggs in infancy associated with decreased egg allergy later on
A new study suggests that early egg introduction is associated with decreased egg allergy. «We examined infant feeding and food allergy data from birth to 6 years, collected by 2237 parent surveys in the Infant Feeding Practices Study II conducted by the CDC and US-FDA,» said Allergy and Immunology Fellow Giulia Martone, MD, ACAAI member…
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Test detects childhood tuberculosis a year ahead
Researchers have developed a highly sensitive blood test that can find traces of the bacteria that causes tuberculosis (TB) in infants a year before they develop the deadly disease, according to a new study. Using only a small blood sample, the test detects a protein secreted by Mycobacterium tuberculosis, which causes TB infection. It can…
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Opioid alternative? Taming tetrodotoxin for precise painkilling
Alternatives to opioids for treating pain are sorely needed. A study in rats suggests that tetrodotoxin, properly packaged, offers a potentially safe pain block. In tiny amounts, in a slow-release formulation that efficiently penetrates nerves, the toxin provided a safe, highly targeted, long-lived nerve block, researchers report today in Nature Communications. The study was led…
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Antibody testing reveals dogs can suffer from same autoimmune encephalitis as humans
Researchers have found that dogs can suffer from the same type of autoimmune encephalitis that people do. The finding could lead to better screening methods for diagnosis and possibly more effective treatments for canine encephalitis. Autoimmune encephalitis — an immune system reaction against the brain — is common in dogs, with smaller breeds and young…
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Case of tick-borne relapsing fever in Mexico
Tick-borne relapsing fever (TBRF) is a recurring fever caused by exposure to infected Borrelia bacteria. Several cases have been reported in Mexico, but the disease gets little attention. Now, researchers describe the details of an additional case of TBRF in Sonora, Mexico in 2012. On January 27, 2012, a 45-year-old woman was admitted to a…
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In mice, mothers with metabolic syndrome can ‘turn on’ offsprings liver disease
An imprinted gene associated with development of non-alcoholic fatty liver disease (NAFLD) is switched on in mice who nurse from mothers with metabolic syndrome, even when those mice are not biologically related. NAFLD is a condition where excess fat builds up in liver tissue for reasons unrelated to alcohol consumption. If untreated, the excess fat…
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Novel synthetic process for the core structure of the fungal antiviral agent neoechinulin B and its derivatives
The fungus-derived compound neoechinulin B demonstrates promising antiviral activity. To realize its potential as an antiviral agent, however, a viable method for preparing more potent derivatives synthetically is necessary. In a recent breakthrough, scientists from Japan designed a simple route for synthesizing neoechinulin B and its derivatives under mild laboratory conditions. Neoechinulin B and six…
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Effective cancer immunotherapy further linked to regulating a cell ‘suicide’ gene
Researchers have added to evidence that a gene responsible for turning off a cell’s natural ‘suicide’ signals may also be the culprit in making breast cancer and melanoma cells resistant to therapies that use the immune system to fight cancer. When the gene, called BIRC2, is sent into overdrive, it makes too much, or an…
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Zika virus can cause immune and brain abnormalities in asymptomatic pig offspring
Zika virus infection in the womb produces altered immune responses and sex-specific brain abnormalities in apparently healthy pig offspring, according to a new study. Zika virus can cause severe abnormalities in fetuses such as brain lesions, and subsequent life-long developmental and cognitive impairment in children. However, the majority of infections in pregnant women are subclinical…