Tag: "cause" at biology news
Purdue researchers align nanotubes to improve artificial joints
...st that using such nanometer-scale materials might cause
less of a rejection response from the body. Rejection eventually weakens the attachment of implants and causes them to become loose and painful, requiring replacement surgery. Aligning the nanotubes to further mimic natural bone also might provide mo...
Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
...ieve that impulsiveness limits cooperation and may cause
addiction. Contact: Dr David Stephens, Ecology, Ev...ber of potentially important conditions that could cause
this behaviour. For the model to generate seasonal variation in disease prevalence that mimics the o...
Heart protein could be used to repair damage caused by heart attack
...adults, heart disease is the leading noninfectious cause
of death in children younger than one year. Heart disease in children is usually caused by developmental abnormalities. The protein, Thymosin beta-4, is expressed by embryos during the heart's development. It encourages the migration of heart cells a...
A new species of amyloid peptide
...utation site suggests that the APP717 mutation may cause
enhanced production of the longer amyloid β-p...r studying the mechanism by which APP717 mutations cause
enhanced production of the longer amyloid β-peptide." Dr. Xu and his colleagues also discovere...
New findings in innate immunity may lead to treatments for atherosclerosis
...therosclerosis, alterations in innate immunity can cause
diabetes, cancer, and numerous other inflammatory disorders. Further understanding of the innate immunity process may lead to development of therapies for these diseases as well....
Pain reliever may help treat life-threatening childhood disease
...orn Americans each year, it is the leading genetic cause
of infant and toddler death in the United States as well as Western Europe. There is no cure or standard treatment, and children with the most severe form of the disease usually die before their second birthday. Motor neurons nerve cells that sen...
'Lighter than air' breathing more than doubles COPD patients' exercise endurance
... days earlier while on air. COPD: 4th leading cause
of death in world and U.S., and rising The Wor...d as emphysema and chronic bronchitis) as a single cause
of death around the world shares fourth place with HIV/AIDS, following coronary heart disease, cereb...
Finding could improve safety of stem cell transplants
... from embryonic stem cells that express PAR-4 also cause
teratoma formation," says Dr. Bieberich of the mostly benign growths comprised of multiple types of tissue, typically none of which belong in the tissue where they are found. They found PAR-4-expressing cells also express Oct-4, a transcri...
Scientists first to grow common cause of food poisoning in the lab
...tbreaks on cruise ships. These viruses are a major cause
of human disease worldwide. Researchers showed th...protein shell, that is essential to its ability to cause
disease," says senior author Skip Virgin, M.D., Ph.D., professor of pathology and immunology and of ...
Differences in gene usage dramatically change bacteria's 'lifestyles'
...acteria studied, Salmonella enterica, is a leading cause
of food poisoning and illness related to animal husbandry. The other, Escherichia coli, can cause
illness but more typically plays a beneficial role in the human digestive system. The two are closel...
Psychological stress and disease: UCSF-led study suggests connection
...st a cellular mechanism for how chronic stress may cause
premature onset of disease. Anecdotal evidence and scientific evidence has have suggested that chronic stress can take years off your life; the implications of this study are that this is true at the cellular level. Chronic stress appears to have the...
New study by UGA researcher shows that Salmonella uses hydrogen as an energy source
...sible for an estimated 2 million deaths a year and cause
millions more cases of diarrheal illnesses, even i...molecular hydrogen as an energy source to grow and cause
disease. It should be noted that the team studied a type of Salmonella enterica called Typhimu...
Gene therapy shows promise in model of Parkinson's disease
...ed with mutations in the alpha-synuclein gene that cause
overexpression of the alpha-synuclein protein. Alpha-synuclein, in turn, is a major component of the proteinaceous intracellular deposits known as Lewy bodies that are characteristic of sporadic Parkinson's. This suggests that the disease might be l...
Citrus shows promise for certain childhood cancer
...aspases, destructive enzymes that are activated to cause
chain reactions that lead to cell death. "A question was whether limonoids turn on apoptosis which then turn on the caspases and if so, whether that means there is caspases resting in our cells (that could be activated to help fight cancer in us)," h...
Fussy Baby Network answers cries for help in community
...e have many more bouts of this kind of crying. The cause
of colic is not known. For a relatively small group, crying may be caused by allergies or digestive problems such as reflux. Most recently, in the October issue of Pediatrics, a study shows smoking during or after pregnancy could be a trigger. Some d...
Racial disparities noted in immune system genes
...to explaining a host of disease processes known to cause
increased risk of illness and death among African Americans, according to a study from the University of Pittsburgh's Graduate School of Public Health (GSPH). The study, "Differential Distribution of Allelic Variants in Cytokine Genes Among African A...
NU researcher finds missing atmospheric carbon dioxide
...ls in the atmosphere. Carbon dioxide is thought to cause
global warming by trapping heat radiated by the Earth. The research, published in the latest on-line edition of the journal Earth Interactions, represents an important advance in the global warming research. The lead author on the article, "Soil...
JCI table of contents, December 1 2004
.... Doctors increasingly concede that central to the cause
of AD is the production and accumulation of beta-a... hardening of arteries Atherosclerosis, a leading cause
of morbidity and mortality in Western nations, is caused by the accumulation of cholesterol-rich lip...
Common lineage suggested for viruses that infect hosts from all three domains of life
...ructural similarities to human adenoviruses, which cause
various diseases, including respiratory infections. Using data from their own and other laboratories, the researchers have created structure-based models to demonstrate structural similarities in the coats--proteins and architecture--among viruses th...
Study: Eat leafy green veggies to help prevent cataracts
...ells from exposure to ultraviolet light a leading cause
of cataract formation. The researchers compared the effects of these antioxidants to vitamin E, an antioxidant also thought to reduce the onset of eye diseases. Lutein and zeaxanthin were nearly 10 times more powerful than vitamin E in protecti...
1 2 3 4 5 6 7 8 9 10