Tag: "ingest" at biology news
Hebrew University professor designs medication to lower recurrence of cardiovascular disease
...ize that the vesicles contain a toxic molecule and ingest
them. Then, like the Trojan horse, the liposome releases the poison inside the macrophage, causing its death. The drug itself and the delivery system do not affect other cells and are non-toxic to the body. The medication has been used to successfull...
Unwanted HRT playing havoc with songbirds
...ng doses of oestrogens similar to those they would ingest
in the wild. They fed hatchlings for a week with a chemical containing oestradiol, an oestrogen used in HRT. Controls were given rapeseed oil. When the birds grew into adults, the researchers found that female finches fed on oestradiol started to si...
Aspirin targets key cell that triggers organ rejection and other immune responses, report University of Pittsburgh researchers in journal article
...guing, it would be premature to advise patients to ingest
large quantities of aspirin. For many transplant patients, this could be medically dangerous, warns Dr. Hackstein, whose primary appointment is with the Institute of Clinical Immunology and Transfusion Medicine at Justus-Liebig University of Giessen ...
New molecular key to disposal of dying cells
...culate throughout the body or reside in tissue and ingest
dead tissue and degenerated cells. Together with t...till recognize and bind apoptotic cells but cannot ingest
them. "So the signal to ingest
is missing due to the deletion of the receptor's cytoplasmic tail,"...
In a hopeful sign, mercury levels decline in Everglades wading birds
...mulate comes from surrounding areas. When birds ingest
mercury, they release some of it in their growing feathers. This gave Frederick and other researchers a harmless way to track the chicks' mercury uptake: They caught 20 chicks in each colony each year, plucked a few of their feathers for analysis, an...
Study shows way to grow new blood vessels in the heart
...hrough the body to capture and ingest
infectious agents such as bacteria. Monocytes also penetrate enflamed body tissue to help defend against infections. For this Circulation Research study, scientists tested the ...
Lead-contaminated calcium supplements pose small but avoidable risk
...s may cause problems in the long run for those who ingest
several times the normal daily requirement of calcium. Moreover, they say the naturally occurring contamination would be an avoidable risk if manufacturers would begin indicating lead content on their products. "We don't want people to give up on ...
Honey : Natures's sweetener may increase recuperation after workouts
...as perhaps even a better source of carbohydrate to ingest
with post-workout protein supplements," added Dr. Kreider. "In addition to promoting muscle recuperation and glycogen (carbohydrates stored in muscle) restoration, honey-protein combinations also seem well suited to sustain favorable blood sugar con...
Genetically engineered foods: science and nature don't necessarily mix
... the GE process could directly impact patients who ingest
the food. Other hazards are indirect, operating t...eering the seed. This guarantees that humans who ingest
the foods will be exposed to herbicides "with a litany of adverse health effects," the article expla...
Honey may be the ideal pre-workout energy source
...f the most effective forms of carbohydrate gels to ingest
just prior to exercise. This could translate into greater endurance during a workout or a race." As part of a three-phase clinical trial, honey is being studied against other forms of carbohydrate gels when ingested just prior to or during exercise....
Molecular repair of ruptured discs
...rmal discs. Macrophages, immune system cells that ingest
microorganisms and foreign materials, are particularly prevalent. "In fact, the clinical literature suggests that contact of the herniated disc with the blood supply is important to the resorption process," Matrisian said. "So the more that the hern...
UF study shows newborn kittens have shot at survival thanks to immune-boosting treatment
...ians have been aware that foals and calves need to ingest
colostrum, or first milk, at birth on the first day of life, but we have lagged behind in small animal medicine," said Julie Levy, an assistant professor of small animal medicine at UF. Unlike human babies, who acquire some antibodies via the plac...
Tip Sheet: Papers At IADR Meeting
...ownof tooth enamel. Fluorosis occurs when children ingest
too much fluoride as their teeth aredeveloping---during the first seven years of life. Knowing exactly when duringthat period children are most vulnerable could help dentists develop strategiesfor preventing the problem. To pinpoint that period, Bu...
Atlantic Salmon Cancer Virus Identified
...the bodies through theskin or gills, in water they ingest
or on food they eat. Our concern is thatthe virus is in the environment, and the levels of infection need to bedetermined." SSSV is not a health hazard to humans, according to Bowser, the Cornell fishpathologist. "These viruses are generally specie...
Children, Pets Who Swallow Post-1982 Pennies At Risk For Stomach Upset, EvenUlcers
...ny because it had holes in it," said O'Hara. "Kids ingest
coins all the timeand they usually pass through the stomach and intestinal tract without incident.So we wanted to investigate what happened." The researchers conducted a series of experiments in which they bathedpennies in a solution of stoma...
Dinosaur Tooth Enamel: A Key To Investigating Ancient Climate On Land
...d snowfalling on a local area. Dinosaurs drink and ingest
water from thestreams, ponds, and plants that have an ultimate source in localprecipitation, and then incorporate oxygen from this water into theirtooth enamel. The oxygen isotope ratio of precipitation is, in turn,strongly influenced by climatic fac...
University Of Texas Southwestern Researchers Develop New Test For Kidney Function
...unt ofradioactive isotope solution. After patients ingest
water, the procedureestimates how effectively the kidney excretes waste products by testing howquickly the isotope disappears from the blood and appears in the urine. A one year grant from Cypros Pharmaceutical Corp. is funding the study....
Commercial Fish: Eat Up, Despite Low Levels Of Mercury
... amount of mercury that isacceptable for people to ingest
from 30 micrograms per day, thelevel recommended b...he WHO guideline, EPA has recommended that aperson ingest
no more than 30 micrograms of mercury per day.Based on estimates of U.S. fish consumption, FDA recom...
Schmidt-Nielsen Autobiography Details Scientific Adventures
...so has discovered how marine birds and turtles can ingest
saltwater,protecting themselves by excreting the salt through special glands. Andhe and his coworkers discovered that desert rats manage to forego drinkingby utilizing the water formed in food metabolism. The book outlines his childhood in his nativ...
Cystic Fibrosis Gene Protects Against Typhoid Fever
...otein is abnormal or missing, it does not bind and ingest
thisbacterium, and lifelong infections are thus es...e response," explains Dr. Pier. "Epithelial cells ingest
thebacterium, then slough off of the epithelial surface. New epithelial cells soontake their place....
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