Tag: "digestive" at biology news

The enemy of my enemy is my friend

...d 3) many direct defenses slow herbivore growth or digestive efficiency, causing insects to eat more plant material rather than less to complete their life cycles. However herbivores are also exposed to diseases, predators, and other mortality agents, and plants can increase...

Human gut potential breeding ground for antibiotic resistance

...o provide evidence of this phenomenon in the human digestive tract. "What we've shown is antibiotic resista...large part of its life. The bacteria in the pig's digestive tract become resistant to antibiotics. You slaughter that pig and send it to market. The bacteria ...

Major unique new study shows infrequent inspections lead to greater stream pollution

... biologist said. "Streams can be thought of as the digestive tracts of forests. If we kill off aquatic insects, we're going to lose fish populations, and fishing in this state will be severely impacted." - Healthy streams perform vital ecosystem services for people. They break down organic matter, their pl...

Legumes found to contain starch carrying a fiber-like punch

...testine in a dog model representative of the human digestive tract. The nice thing about legumes is that they have a great deal of dietary fiber plus the resistant starch, said George C. Fahey Jr., who led the study. You always think of legumes for their protein, as you should. With their protein, fiber and ...

Food and the circadian clock

... local clocks in peripheral organs, such as in the digestive tract. In turn, these presumably remote-controlled... their food only during the day, the expression of digestive proteins in the liver was shifted completely to the daytime, while the expression pattern of the cen...

Yale scientists give the Golgi apparatus its own identity, paving the way for more targeted cancer research

...cell products such as hormones, growth factors and digestive enzymes, and sends them to their final destinations within the cell. For example, the Golgi decides whether a given protein will leave the cell or be delivered to the cell surface or another destination. As with all other cellular organelles, the Gol...

Antibiotics, yogurt seen as potential treatment for common liver disorder

...ce in which they found that obesity contributes to digestive system malfunctions that in turn allow normally harmless, but always present, gut bacteria to ferment undigested food, producing alcohol that might ultimately damage the liver. "Our study suggests that obese mice with fatty liver disease make too m...

Scientists spot way around cystic fibrosis cells' poor performance, way to improve drug testing

...ed by accumulation of mucus and by abnormal sweat, digestive and other secretory glands. At the biochemical level, the channels are a main way cells regulate the flow of salts in and out of cells. "People with cystic fibrosis have abnormal chemistry outside of cells, not because their CFTR molecules won't wor...

Feeling nauseous? Research suggests your brain plays a role

...connects the immune, brain and digestive systems to produce the percept...eural circuitry that regulates digestive functions, including vomiting. Rogers and his colleagues showed that when TNF ac...

Ginger may spice up the lives of pregnant women

... "The herb ginger has been used for centuries as a digestive aid for nausea and vomiting. Although widely used, it has not been properly evaluated," she says. There was a small study in Denmark in 1990,with pregnant women who had extreme dehydration due to vomiting. These women found ginger very helpful, consi...

Genetic 'switch' key to biotech patent royalties

...differs from the beneficial strain existing in the digestive tract of humans or toxic strains that can exist in poorly prepared food. Now researchers at Life Technologies Inc., a Maryland laboratory under contract with Research Corporation Technologies, are testing whether the switch can work as part of the ...

MetaPhore reports general anti-inflammatory surface treatment for biomedical materials

...cked, the secretion of superoxide ions, as well as digestive enzymes, results in the implant's degradation and loss of function as well as chronic inflammation and fibrotic capsule formation. Superoxide is a free radical arising from oxygen metabolism in activated white cells. SOD catalyses the removal of s...

Can heavy alcohol use lead to some kinds of cancer?

.... These same individuals have much higher rates of digestive tract cancers. Findings suggest that salivary acet... high rates of alcohol use and high rates of upper digestive cancers. They used a unique group to investigate their hypothesis: individuals who lack the aldehyd...

Lutein supplements may improve vision

...attyacid found in fish oil), vitamin B complex and digestive enzymes. Ten of the participants whoalready were taking vitamin A and/or beta carotene continued to take those supplements. Theytested their vision on eye charts sent as e-mail attachments and on wall charts they were instructed tocreate, and return...

Alcohol and thiamine deficiency together: a dangerous combination?

...ions, including brain damage. Alcohol impedes the digestive tract from absorbing needed nutrients. Nerve, mus...use or abuse of vitamins. The bowel and the whole digestive system have been developed in such a way to allow for a very unique interaction between food and our...

Scientists find unique nuclear DNA structure

...s a placenta, and IgA is at home in the lungs, the digestive tract and the body's secretions - saliva, sweat and tears. Switching from one class to another requires a change in the immunoglobulin's "handle." By undergoing this so-called class switch, the body can send "the same antibody missile to different ar...

Chlordane found in foods decades after pesticide use

...ound accumulates in the human body and can lead to digestive and nervous system disorders. All 12 of the vegetables included in the study absorbed some of the compound, according to Mary Jane Incorvia Mattina, Ph.D., lead researcher of the report. Edible portions of carrots, potatoes, beets, spinach, lettuce,...

Possible cause and treatment for shock uncovered by UC San Diego bioengineers

...perimental animals by blocking powerful pancreatic digestive enzymes in the intestine, according to studies by bioengineers with the Jacobs School of Engineering at the University of California, San Diego. This fundamental breakthrough could lead to therapies to prevent and treat ischemic shock in people who ...

Nearly half of all women 65 and older now use herbal products to feel better, but don't tell their doctors

...sure and other cardiovascular health problems, and digestive problems. Study participants perceived that about half of the herbal products they took were somewhat or very effective, but said they did not know if the remaining products were effective. "In spite of not recognizing an immediate benefit from usin...

High fibre diet lowers risk of prostate cancer: study

...oportion of thesesteroids are excreted through the digestive process. Soluble fibre increases the output of steroids in the feces and wehypothesized that it would also result in a greater loss of hormones, which would reduce the stimulation of theprostate and therefore lower the PSA level. Although we found gr...

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