(Medical Xpress)—Regulating the distribution of power in neurons is done by a system that makes the national electric grid look simple by comparison. Each neuron has several thousand mitochondria confined ...
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Developing new vaccines to protect against diseases that plague humans is fraught with numerous challenges—one being that microbes tend to vary how they look on the surface to avoid being identified and destroyed by the ...
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(HealthDay)—Soft cheese and raw produce have caused many recent listeria outbreaks in the United States, and at least 90 percent of cases typically occur among seniors, pregnant women, newborns and people ...
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A protein called c-FLIP-R is critical to immune cell survival: If this molecule is missing, the cells kill themselves – and are thus no longer able to perform their job fighting off invaders. Now, scientists ...
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University of Granada scientists have patented a new treatment for acne that is based on completely natural substances and is much more effective than artificial formulas because it does not create resistance ...
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Food microbiology laboratories continue to submit false negative results and false positive results on a routine basis. A retrospective study of nearly 40,000 proficiency test results over the past 14 years, presented today ...
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Listeria is a bacterial genus that contains seven species. Named after the English pioneer of sterile surgery Joseph Lister, the genus received its current name in 1940. Listeria species are Gram-positive bacilli. The major human pathogen in the Listeria genus is L. monocytogenes. It is usually the causative agent of the relatively rare bacterial disease, listeriosis, a serious infection caused by eating food contaminated with the bacteria. The disease affects primarily pregnant women, newborns, adults with weakened immune systems, and the elderly.
Listeriosis is a serious disease for humans; the overt form of the disease has a mortality rate of about 20 percent. The two main clinical manifestations are sepsis and meningitis. Meningitis is often complicated by encephalitis, a pathology that is unusual for bacterial infections. Listeria ivanovii is a pathogen of mammals, specifically ruminants, and has rarely caused listeriosis in humans.
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Recent research has shown that cancer cells have a much different – and more complex – metabolism than normal cells. Now, scientists at The University of Texas at Dallas have found that exploiting these differences might ...
The discerning fruit fly: Linking brain-cell activity and behavior in smell recognition
Behind the common expression "you can't compare apples to oranges" lies a fundamental question of neuroscience: How does the brain recognize that apples and oranges are different? A group of neuroscientists ...
Inside each of us is our own internal timing device. It drives everything from sleep cycles to metabolism, but the inner-workings of this so-called "circadian clock" are complex, and the molecular processes behind it have ...
Researchers have discovered and mapped the signaling network between two previously unconnected proteins, exposing a link that, if broken, could cut off cancer cell growth at its starting point.
Study shows cultural images may hinder proficiency in second language skills
(Medical Xpress)—A team of combined researchers from Columbia Business School and Singapore Management University has found that people who have learned a second language become less proficient at speaking ...
Aspirin is known to lower risk for some cancers, and a new study led by a UC San Francisco scientist points to a possible explanation, with the discovery that aspirin slows the accumulation of DNA mutations in abnormal cells ...
Men who lose sleep during the work week may be able to lower their risk of developing Type 2 diabetes by getting more hours of sleep, according to Los Angeles Biomedical Research Institute (LA BioMed) research findings presented ...
Balancing act: Mitochondrial protein coordinates a little-known enzyme that controls how fat is stored or burned
(Medical Xpress)—Calories in, calories out. Any dieter is familiar with the two sides of the equation for weight loss, usually reduced to eating less and exercising more. But what controls the body's balance ...
A research group has found that FGF21, an endocrine factor which reduces glucose levels, protects against cardiac diseases in mice. The research, published online on the journal Nature Communications, was led by Francesc Villar ...
The link between genes and cancer
(Medical Xpress)—When people think about genes and their relationship to cancer, most probably think about a person's hereditary cancer risk, especially after Angelina Jolie's recent news about her inherited ...
