Tag: "starving" at biology news

Insect Taste Buds Target Of Control Method

... one or two plant types as their primary food and starving if those plants are unavailable. Taste is very critical to insects. Mullin does not know what insects perceive as taste, but he does know that chemicals considered sweet-tasting by humans are chemicals that stimulate feeding and, for the most p...

Open-Air Experiment Shows High CO2 Boosts Tree Growth

...In colloquial terms, if you've got plants that are starving for CO2,and all of a sudden they find themselves bathed in air richer in CO2 than theywere getting before, they should have the greatest response right away," saidWilliam Schlesinger, co-director of the Forest-Atmosphere Carbon Transfer andStorage ex...

School Breakfast Participation Leads To Academic, Psychosocial Improvements

..."While we don't usually see children whoare really starving in this country, we know that a significant number ofchildren experience hunger because their families cannot provide sufficient,nutritious food," Kleinman says. "In recent years our group and others have beendefining just how big an issue what we ca...

Tumor Protein Structure Found At Cornell

...vent the cells fromforming the blood vessels, thus starving the tumors. Researchers working at Cornell University have brought this goal closer bydeciphering the three-dimensional structure of a protein that helps cells buildnew blood vessels. The researchers also have discovered how a drug now inclinical ...

Where the wild ones are: origins of staple crop found

...arvation indirectly led to these culinary rituals; starving people may have found that, having once spit out the bitter cassava tubers, then trying them again, the bitter taste was lessened. Schaal says the diversity of the plant is remarkable. "There must be thousands of different varieties. In Brazil, ever...

Common parasite overturns traditional beliefs about the evolution and role of hemoglobin

...ew therapies for diseases such as cancer, in which starving tumors ofoxygen is a major therapeutic focus, the researchers said. The research was supported by grants from the National Institutes ofHealth and the Howard Hughes Medical Institute (HHMI). "Both structurally and functionally, Ascari...

Sea slug's shopping habits dictated by hunger, scientists report

... to avoid it. "This could reflect the need of the starving sea slug to pay a higher cost for a meal, if it had to overcome the defenses of prey unwilling to be eaten," Gillette said. (To see a snail learning to avoid noxious prey, go to http://www.life.uiuc.edu/slugcity/movies.html . Click on "One Trial Lea...

Rat study shows high-fat diet impairs concentration and memory

...ated fatty acids, it's like clogging the brain and starving it of energy," says Dr. Carol Greenwood, a professor in the Department of Nutritional Sciences at the University of Toronto and scientist at Baycrest Centre's Kunin-Lunenfeld Applied Research Unit. Dr. Greenwood and Dr. Gordon Winocur, a senior scien...

Gene therapy restores feeding behavior to starving mice

...sed gene therapy to rejuvenate feeding behavior in starving mice. The genetically engineered mice had avoided ...ger signals are produced because these animals are starving most of the time, said Palmiter. Those signals are probably reaching the caudate putamen, where they...

Harbor Branch scientist aids in Mexico manatee rescue effort

...pt. 10, 2001 Four manatees that were in danger of starving in their native Mexico habitat are now safe and eating well, thanks to the efforts of a HARBOR BRANCH marine mammal expert who helped to rescue them and arrange for their thousand-mile journey to a new home. Dr. Greg Bossart, head of Marine Mammal Re...

Hopkins researchers find missing link between major proteins in Parkinson's disease

...cells that produce a chemical called dopamine die, starving the brain of a crucial messenger. Many of these dead and dying nerve cells contain protein blobs that include parkin, aS and synphilin. Understanding the formation of these clumps, called Lewy bodies, might eventually help identify targets for new t...

Young Amazonian manatee returned to wild

... Airuwe was dehydrated and malnourished, basically starving to death, according to Dr. Bossart. They had him in a lake, and we had to get him into a smaller, contained pool of water where people could control his movements and take care of him. He had to be bottle-fed every four hours, and there just wa...

'Trojan horse' technology destroys blood supply to cancer tumors in mice

...electively to the tumor's blood supply in effect, starving the tumor," said Dr. Rosenblum, senior author of the study. The research, which appears in the June 11 Proceedings of the National Academy of Sciences, was the result of an ongoing collaboration between UT Southwestern and M. D. Anderson. VEGF/rGel w...

Got milk? Scientists discover key lactation gene

...gardless of the pups' XOR status were essentially starving due to their mother's inability to maintain lactation. Further research by Vorbach et al. revealed an important role for the XOR protein in lactation, distinct from its previously identified role in purine catabolism. XOR is required for the envelopm...

OXiGENE announces phase II clinical trial of lead anti-tumor compound in thyroid cancer

...ively target existing tumorvasculature, in essence starving the tumor by blocking the flow ofblood that supplies it with oxygen and nutrients," said OXiGENEPresident and CEO Fred Driscoll. "Shepherding the compound into aPhase II trial is the most significant milestone for our company todate, and reinforces o...

Scientists discover what makes human embryo attach to uterus

...ta does not attach adequately to the uterine wall, starving the fetus of oxygen and threatening the mothers life, she said. Since it is the outer layer of the embryo -- the trophoblast -- that gives rise to the placenta, this process, like the slowing of the early embryo along the uterine wall, probably invol...

New life discovered in deep ocean floor

...obiologist Rick Colwell and his team are literally starving the methane-producing microbes called methanogens trying to get some answers. Through the research, the INEEL is putting science to work to meet the nation's grand challenge of developing new energy resources. The INEEL team is experimenting with a ...

Alliance for Cancer Gene Therapy announces $1.5 million in national grants to young investigators

...owing in support of tumor progression, essentially starving the tumor. The goal of this form of gene therapy is to target cancers that have become resistant to conventional forms of treatment, such as chemotherapy. The hypothesis for Dr. Davidoff's research, conducted in collaboration with other researc...

Alzheimer's protein jams mitochondria of affected cells; resulting 'energy crisis' kills neurons

...stretch of the protein wreaks havoc by essentially starving mitochondria and the cells they nourish. "We found that when APP leaves the nucleus, it can be directed both to mitochondria and to the endoplasmic reticulum," said Avadhani, professor of biochemistry and chair of the Department of Animal Biology in ...

UCLA study finds clues to diabetes puzzle

.... When Yemenite Jews were airlifted to Israel from starving conditions several decades ago, their diabetes rates jumped from 4 percent to 13 percent. When New Guineans moved from a rural to urban setting, their diabetes rate shot from zero to 37 percent, he found. "Diabetes is a disease of increasing affluenc...

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