Tag: "stomach" at biology news
DNA barcode finds four new bird species
...t wildlife biologists could use it to identify the stomach
contents of animals and reconstruct food cycles. Other uses include identifying birds that fly into airplane engines and testing for protected fish species, for example, that sometimes make their way to market. It also works for identifying organisms...
OutFoxed! New research may redefine late-stage cardiac development
...he primitive gut tube, which will develop into the stomach
and intestines. In the early mammalian embryo, the gut tube helps direct the fusion of the two tubes of pre-cardiac cells into one tube. Dr. Morrisey thinks that expression of Foxp4 in the gut tube may be responsible for this lack of fusion: "Othe...
Stuck on you: Scientists lay bare secrets of bacterial attachment proteins
...ools used by some of the nastiest varieties of the stomach
bug, Escherichia coli, to stick to and gain entry to host cells. Led by senior author Dr Stephen Matthews, Reader in Chemical and Structural Biology at Imperial College London, the research is published in the latest issue of the journal Molecular C...
Infant rats eagerly accept high concentrations of alcohol upon first exposure
... to place a cotton ball soaked with alcohol on the stomach
of a fussy infant, which brings relief in the presence of alcohol's odor, perhaps making it more attractive, and also results in some alcohol intake through inhalation or the skin. Alcohol is also given medicinally to infants in some cultures, place...
Body's own defense against H. pylori, cause of stomach ulcers and stomach cancer
...er pylori ("H. pylori"), the bacterium that causes stomach
ulcers and is linked with 90% of stomach
cancers. Published on August 13th in Science magazine, these results present a new way of looking ...
Scientists discover new intricacies in how ulcer bugs stick to stomach
..., the primary cause of ulcers and a contributor to stomach
cancers, have uncovered new intricacies in the way... our understanding of how H. pylori adheres to the stomach
lining, we may be able to develop better ways to prevent or decrease infections," says Douglas E. Be...
Vioxx in high doses causes hypertension
...hibit the related COX-1 enzyme, which protects the stomach
lining. Therefore they don't irritate the stomach
as much as NSAIDs that block both enzymes. "They cause fewer ulcers," explained the study's lead aut...
Lowly weeds may hold promise for curing host of common health woes
...Because of parasites in the water supply, an upset stomach
is a common health problem for the Mayans, who often treat it by boiling the weed baccharis vaccionoides, which they call "broom tree," Stepp said. Various weeds to treat cold and respiratory problems also are self-prescribed because despite the trop...
Cell growth and death controlled by single pathway in lymphoma cancer model
...mune cells. MALT lymphoma most often occurs in the stomach
and usually arises when B lymphocytes respond to inflammation provoked by the bacterium Helicobacter pylori (H. pylori). Infection by this bacterium is one of the main risk factors for developing gastric cancer, the world's second most common cancer....
Antibiotics alter GI tract microbes and increase lung sensitivity to allergens
...a specific mix of bacteria and fungi living in our stomach
and intestines," says Gary B. Huffnagle, Ph.D., an... lungs. These trapped particles are swept into the stomach
with saliva and mucus as you swallow. "Anything you inhale, you also swallow," Huffnagle says. "So ...
Gene maps of simpler life forms point the way to human disease gene
... development ensure that organs like the heart and stomach
end up where they're supposed to be. Cilia clear away dirt and bacteria in the respiratory tract, help sperm swim and help keep fluid flowing into and out of the brain, just to name a few examples." Cilia and basal bodies, the structures that anchor ...
Soybeans may reduce risk of colon cancer
...ested, soy GlcCer survives the journey through the stomach
and intestine with enough power to affect cancerous cells in the colon. Ensuring that cancer-fighting substances reach the cells is always a hurdle in any kind of cancer research. Cancer is most often found in cells that experience rapid division, su...
Penguins ingest mollusk shells to obtain calcium for thicker eggshells
...researchers also performed necropsies and examined stomach
contents of penguin carcasses collected at different times of the year. In the post-egg-laying period, few penguin stomachs contained mollusk shells and the findings were the same for male and female. But during the period around egg-laying, females ...
Urban runoff poses increased health threat for surfers, other beach users, UCI study shows
...hes south of Los Angeles can make you sick to your stomach
literally. According to a UC Irvine study of hund...xposure. These symptoms ranged from fever, nausea, stomach
pain and diarrhea to sore throat, eye redness and skin infectionThis study is one of the first to qu...
UT Southwestern researchers reveal mechanisms of smooth-muscle contraction
...lood vessels and in internal organs such as lungs, stomach
and the bladder, contracts as the end result of a series of chemical reactions. In a new study, UT Southwestern researchers report that one set of chemical reactions resulting in the contraction of the smooth-muscle cells is augmented by a second che...
Fat hormone leptin alters brain architecture and activity, which in turn drives feeding behavior
...ubstance -- a peptide called ghrelin, found in the stomach
and the brain. In contrast to leptin, ghrelin stimulates appetite. Application of ghrelin was associated with an increase in the numbers of inhibitory synapses on the POMC neurons, suggesting that the effects of ghrelin and leptin on the neuronal cir...
City rain run-off poses threat to coastal water users
...ing more time in the surf increased risk of fever, stomach
pain, vomiting, diarrhea, skin infection, eye redness and other symptoms, according to the report in the American Journal of Public Health. "These potential health risks warrant greater public health surveillance, as well as greater efforts to red...
Bacteria live in the esophagus!
...hat the bacterium Helicobacter pylori lived in the stomach
and is associated with ulcers. Antibiotics are now...tablished the bacterium's link to certain kinds of stomach
cancers. The connection between H. pylori and gastric cancer was one of the reasons why the N...
Gene links hereditary intestinal disorder with stroke danger
... the large bowel and rectum or, less commonly, the stomach
and small intestine -- is caused by a defect in one of two different genes, earlier research has shown. Left untreated, patients with the disease have a 50 percent risk of developing colon cancer. Work done previously in Marchuk's lab found that muta...
Study examines role of helicobacter pylori in esophageal cancer development
...h bacteria that can cause peptic ulcers and distal stomach
cancer may be associated with a reduced risk of a ...may induce gastric atrophy, leading to less acidic stomach
fluids that are less harmful to esophageal tissue. In contrast, researchers have speculated that H. ...
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