Tag: "sugar" at biology news
Females may be more susceptible to overindulge 'sweet tooth' cravings than males
...hly palatable diet containing a greater portion of sugar
than their normal diet when a sweet diet is freel...c intake when fed a diet containing greater fat or sugar
than that found in regular laboratory chow. Because such diet-induced hyperphagia has been studied p...
'Fossil genes' reveal how life sheds form and function
...a pathway that permits the organism to convert the sugar
galactose to energy. The same pathway, among the most studied in biology, exists not only in yeasts, but also in virtually all other microbes, as well as plants and animals, including humans. Their sole function is devoted to the utilization of gala...
New fruitfly model of diabetes has future implications for pancreatic cell transplantation
...eted picture of how fruitflies control their blood sugar
will inform researchers and clinicians about the b...uscles, fat cells, and the liver to take up excess sugar
in the blood and store it as glycogen. Conversely, when the sugar
level in blood dips between snacks...
Research on carbohydrate metabolism receives historical recognition
... converts glucose into glycogen, the form in which sugar
is stored. They isolated and purified many of the enzymes involved in glucose metabolism, and their work ultimately advanced scientific understanding of metabolic regulation. Both Carl and Gerty Cori were born in Prague (then part of the Austro-...
Sugar-coated sea urchin eggs could have sweet implications for human fertility
... That means that just a small chemical change in a sugar
molecule can limit fertilization. The discovery, ...functions of carbohydrate-signaling molecules. The sugar
chains in sea urchins are similar to some found in algae that have a variety of possible medical use...
OneWorld Health compiles comprehensive state of infectious diarrhea treatments, potential solutions
...ut half. ORT involves giving a dilute solution of sugar
and salt orally to children to replace both the water and vital nutrients (electrolytes) lost in diarrhea; it does not treat the diarrhea itself. Parents, out of frustration that ORT does not reduce stool output, purchase antibiotics for their child...
U of T study identifies possible stem cells in pancreas
... release insulin to help regulate the body's blood sugar
levels. "People have been intensely searching for pancreatic stem cells for a while now, and so our discovery of precursor cells within the adult pancreas that are capable of making new pancreatic cells is very exciting," says Simon Smukler, a PhD ca...
MIT research that stops pain of needle jabs gets FDA approval
...coupled with other devices that sense the level of sugar
in a diabetic's blood and/or deliver insulin or other medication to the blood. The scientists believe that the same mechanism can be used to deliver routine vaccinations painlessly within the next five years....
Sweet success in targeting sugar molecules to cells in living animals
...e researchers have successfully targeted unnatural sugar
molecules with chemically unique functional groups...long been known that the glycosylation patterns of sugar
molecules on cell surfaces can influence their interaction with other cells. "Glycobiologists have k...
When is a mouse like a test tube?
...e for Quantitative Biomedical Research (QB3), is a sugar
chemist who studies the sugars and sugar
polymers (oligosaccharides and carbohydrates) with which cells decorate themselves. Such sugars play...
Study links high carbohydrate diet to increased breast cancer risk
...cancer risk in the study. Sucrose is derived from sugar
cane, sorghum and the sugar
beet; it is most commonly found in table sugar
and sweetened prepared foods and beverages. Fructose...
Travelers' diarrhea not improved by restricted diet
...food that is dry (bread or toast), is very high in sugar
(syrup or honey), is highly acidic (citrus), is able to be peeled (fruit), or is freshly cooked. "Tell the waiter that you're going to require everything served steaming hot," said Dr. DuPont....
Ants protect plants better when jacked up on nectar
...hen exposed to sugar, the researchers put baits of sugar
and of meat at the base of barrel cactus plants and at the base of plants without extrafloral nectaries. For all four species, ants foraging by the cacti had a stronger preference for meat than did the same species of ants when foraging near other pl...
New glycan arrays discover autoimmunogenic activities of SARS-CoV: concern over monkey vaccine
...R solely by the absence of the terminal galactosyl sugar
residue. Therefore, the researchers considered th...SOR antibody reactivity is likely specific for the sugar
moieties of ASOR, and that the terminal galactose (Gal) contributes significantly to the carbohydrat...
Misfiring proteins tied to inflammation and sick feeling of type 2 diabetics
...Vanadyl sulfate, which now is used to reduce blood sugar
content, improves insulin signaling and insulin-dependent glucose uptake in skeletal muscle in mice and speeds recovery from lipopolysaccharide-induced sickness behavior. Freund theorizes that combining vanadyl sulfate with rapamycin, a drug used to ...
Was Atkins right?
...iet was strongly associated with lower basal blood sugar
and insulin levels, as previously described, and improved glucose tolerance. As the isocaloric exchange between high and low protein diets was performed on carbohydrate, the flattening effect of the high protein diet on insulin and glucose basal leve...
New study in moths shows insects not entirely ruled by instinct
...fter training the animal that one odor meant food sugar
water was on the way and another odor did not. "We saw a dramatic restructuring of the neural networks that convert scent into a code that the rest of the brain can understand," Daly said. "The changes in this coding suggest that the moths learned t...
Study: Artificial sweetener may disrupt body's ability to count calories
...y be fooled into thinking a product sweetened with sugar
has no calories and, therefore, people overeat." Swithers said that the loss of the body's ability to gauge caloric intake contributes to increased food intake and weight gain, especially when people do not count calories on their own. A similar dyna...
Measuring blood sugar with a wave of the arm
...nks to a new under-skin sensor that monitors blood sugar
levels with a simple wave of the arm. The sensor, which is smaller than a dime and paper thin, is based on the same theory behind plastic security tags used in stores to prevent shoplifting. The device, which will be described in the July 15 edition ...
Purdue yeast makes ethanol from agricultural waste more effectively
...nt xylose. Xylose makes up about 30 percent of the sugar
from agricultural residues, and the inability to f... of the xylose, which is a five-carbon sugar. This sugar
is not naturally fermented by yeast or other microorganisms. "Corn-based ethanol production in the U...
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