Tag: "tract" at biology news
Genetic mutations linked to the practice of burning coal in homes in China
...e study analyzed sputum samples from the bronchial tract
of 92 individuals who had no evidence of lung cancer and screened them for p53 and K-ras mutations. Damage to both p53, a tumor suppressor gene that prevents normal cells from turning into tumor cells, and K-ras, an oncogene, is fundamental to the de...
Alzheimer's disease is not accelerated aging
...n, including an area called the corpus callosum a tract
of white matter that connects the two cerebral hemispheres. The accelerated memory loss of Alzheimer's disease is more likely due to changes in the medial temporal lobe memory system, which includes the hippocampus. For brain changes in non-deme...
Protein is key for digestive function of the pancreas
...nzymes that are secreted into the gastrointestinal tract
and break down carbohydrates, proteins, and fats present in the foods we eat. The harsh digestive enzymes secreted by pancreatic acinar cells are packaged into units called zymogen granules. Upon stimulation with hormones like cholecystokinin (CCK)...
Stuck on you: Scientists lay bare secrets of bacterial attachment proteins
...ble for chronic diarrhoeal, intestinal and urinary tract
infections, and is similar to some present in strains of Salmonella. The researchers characterised the way in which the Dr Adhesins help bugs to cause multiple diseases because they use a very common receptor on the host cell membrane as an anchor p...
Jefferson Lab detector technology aids development of cystic fibrosis therapy
...gs, liver, pancreas, digestive tract, reproductive tract
and skin. The most common CFTR defect causes the body to make a defective protein that is destroyed by the body. As a result, chloride and sodium levels become imbalanced, leading to abnormally thick mucus. This mucus clogs the lungs, trapping bacter...
U-M scientists find common virus in human prostate tissue
...OR, Mich. Chances are excellent that your urinary tract
is home to a pathogenic organism called the human BK virus. Most of the time, the virus lurks quietly in the kidneys without causing problems. But in people with a depressed immune system especially those who have just received a kidney transplant...
Travelers' diarrhea not improved by restricted diet
...the diarrhea bout isn't prolonged. "The intestinal tract
has been injured," he said. "It needs to grow back and needs to be provided with calories." Dr. Ericsson agreed. "The contamination in food is like rolling dice. It is more important to accept some risk of diarrhea rather than starve," he said. To av...
DFG presents the 2004 MAK and BAT value lists
...ing substances were examined for their respiratory tract
and skin sensitising properties. New labelling was assigned to sixteen chemicals, including the aromatic compounds oak moss, geraniol and lyral, the enzyme papain, the substances bronopol and 5-ethyl-3,7-dioxa-1-azabicyclo[3.3.0]octane (EDAO), which ...
FDA approves VYTORIN, first and only to powerfully reduce LDL cholesterol through dual inhibition
...included headache (6.8 percent), upper respiratory tract
infection (3.9 percent), myalgia (3.5 percent), influenza (2.6 percent), and extremity pain (2.3 percent). Pricing and availability for VYTORIN The price of VYTORIN will be $2.34 at all doses. This means that the significant LDL cholesterol redu...
Infusion of two peptides acts to accelerate appetite satisfaction
...ignals that are released from the gastrointestinal tract
during food intake. Both peptides promote a sense of fullness that encourages an end to the meal. Therefore, both peptides are factors that trigger the termination of eating, participating in a meal-to-meal control system. The researchers suggest th...
Tips from the journals of the American Society for Microbiology
...lla enterica serovar Enteritidis in the intestinal tract
of chickens. Results showed that all MCFA inhibited growth with caproic acid causing the most resistance. More specifically, MCFA was able to decrease gene expression of hilA, a regulator of the invasive capability of Salmonella bacteria. Also, wh...
Does antibiotic use contribute to allergies?
... weaken the naturally occurring bacteria in the GI tract
before experimentally introducing the yeast Candid...tic therapy and C. albicans colonization in the GI tract
had increased hypersensitivity in the pulmonary tract
compared with untreated mice. "The studies ...
Antibiotics alter GI tract microbes and increase lung sensitivity to allergens
...nduced changes in microbes in the gastrointestinal tract
can affect how the immune system responds to commo...," Huffnagle says. "So the immune cells in your GI tract
are exposed directly to airborne allergens and particulates. This triggers a response from immune ce...
Why some diabetics are at greater risk for UTIs
... diabetics are at greater risk for getting urinary tract
infections (UTI). They report their findings at t... diabetes are at higher risk for acquiring urinary tract
infections as compared to non-diabetic patients and even individuals with type-1 diabetes. Although...
Friendly bacteria block HIV infection
...y' bacteria already inhabiting the human digestive tract
and milk products, and so should pose no danger to infants."...
Indoor mold, building dampness linked to respiratory problems and require better prevention
...ll as to coughing, wheezing, and upper respiratory tract
symptoms in otherwise healthy people, says a new r..., and to coughing, wheezing, and upper respiratory tract
symptoms in otherwise healthy people. However, the evidence did not meet the strict scientific stan...
Soybeans may reduce risk of colon cancer
...growth of tumor cells in the gastrointestinal (GI) tract
in mice. The results are published in the May issue of the Journal of Nutrition. "Soy is known to have a number of health benefits, including the suppression of cancer. Based on our results, some of this benefit may be due to a group of molecules kno...
Cannabinoids spell relief in colon inflammation
...onic inflammatory diseases of the gastrointestinal tract
such as Crohn's disease and Colitis ulcerosa has n...onic inflammatory diseases of the gastrointestinal tract
such as Crohn's disease and Colitis ulcerosa constitute a widespread problem in industrialized count...
UNC study finds protein in male reproductive tract kills bacteria, may improve fertility
...iscovered three years ago in the male reproductive tract
is a potent anti-bacterial agent. In addition to protecting the male against invading bacteria, the protein may aid fertilization by protecting sperm from harmful organisms encountered in the female reproductive tract. A report of the study, now onli...
Govindarajan Dhanasekaran wins 2004 Sarber Award from American Society for Microbiology
...n emerging pathogen that causes severe respiratory tract
illness in turkeys and chickens. No vaccine against the APV virus currently exists, and the virus has had devastating economic effects on the U.S. poultry industry. He is now at work on recovering infectious virus entirely from cloned DNA, which will...
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