Tag: "losing" at biology news

Tumor Suppressor Gene Located In Liver Cancer Cells

...a growth factor, the researchers hypothesized that losing it might well predispose a cell to cancerous growth. Their past studies showing that the protein was abundantly present in normal liver cells, but nearly absent in cancer cells, strengthened their suspicion. In research published earlier this year i...

Penn State Wetlands Project Seeks Scientific Evaluation Criteria

...Cooperative Wetlands Center, says Pennsylvania is losing hundreds of acres of wetlands per year to development and other uses. Simultaneously, state agencies, private companies and private citizens are restoring or creating hundreds of wetland acres each year. The project, funded by the Pennsylvania Dep...

Hopkins Engineering Undergrads' Inventions: Power Tools For Double Amputee, Military Surveillance Robot

Since losing his hands and forearms in a 1994 industrialaccident, George Rickels, 59, of Baltimore, has wanted to docarpentry and minor home repairs without relying on anotherperson for help. Three engineering undergraduates at The JohnsHopkins University, includ...

Wild Plant Genes Increase Food Production

...sults in a "genetic bottleneck" that can result in losing plant production and making plants more vulnerable to pests and disease. Said McCouch: "Owing to the advent of molecular mapping and our ability to scan the genomes of wild species for new and useful genes, we may be now in a position to unlock the g...

Scientists Find New Trigger For Nerve Cell Death

...lls shrink into oblivion. "Ashrinking cell must be losing ions and water," Yu says. Potassium seemed like the obvious ion to escape because there's so muchof it in the cell. Yu therefore measured potassium movement through themembranes around cultured nerve cells after various events that cause apop...

Not Just What You Eat That Affects Risk For Heart Disease And Stroke; Your Genes Influence How Much Damage High-Fat Diet Causes

...y be slender andanother may be overweight and find losing weight a challenge. One person mayhave dangerously high blood levels of cholesterol and severe atherosclerosis.The other individual may have low blood levels of homocysteine, the topic ofMalinow's talk at the symposium. Recent research suggests that...

UB Studies Link Low Dietary Calcium, Vitamin C With Increased Risk Of Gum Disease

...people so young were at risk of gum disease and of losing bone around their teeth. It points out how important it is for children and teens to get enough calcium during those formative years to reach their peak bone mass in the jaw and everywhere else. "It really is true that calcium builds strong bo...

Research Answers Burning Questions About Pollution

...gy in the laser light. The molecules then "relax," losing that excess energy in the form of light a process called fluorescence. Optical detectors then pick up that light, and a computer analyzes its wavelength and intensity to tell the researchers what type and quantities of molecules are present in t...

Colorado State Researchers Win National Science Foundation Support To StudyAbove-, Below-Ground Ecosystem Health With UK Scientists

...was being lost," Wall said. "In the 1980s we began losing birds andplants and realized that the same thing was happening to organisms in the soil." A second factor is what Wall called "a deep, wide disciplinary schism"that has traditionally separated the scientists who classify organisms(taxonomists...

American Society Of Animal Science Recognizes Global Scope Of Virginia Tech Researcher's Work

...ds from alien environments, we stand the chance of losing genetic resourcesthat have developed over many generations. We also stand the chance of thatintroduced breed failing in an environment to which it is not suited." Notter's specialty is the genetic management of beef cattle and sheep.The under...

Mouse Study Trumpets New Way To Preserve Species

...sity on the planet is rapidly declining. We may be losing one animal species every hour or every two hours every day," Critser says. "There is a growing interest in finding ways to preserve the genetic material from rare and endangered species, with the intent to both study the genetic information and to re...

Weird Creatures Have Some Lessons For Organ Transplants

...led tardigrades can withstand extremeconditions by losing most of the water in their bodies (In Brief, 31 October, p26). They can survive in this state for a century or more. When water was addedto a dried-out moss kept in a museum for 120 years, tardigrades were later foundcrawling all over it. To ...

Brain Study Sheds Light On The 'Phantom Limbs' Of Amputees

For some amputees, the pain and disability of losing an arm or leg are followedby a lifetime of other disturbing effects. For them, a touch on the face feelslike a touch on the lost limb; the missing fingers or toes seem to be movingtoward the remaining stump; and pain can persist in the limb that is ...

New Research Shows Loggerhead Sea Turtles Sustain Delicate Dunes

... Bjorndal said possible consequences of a beach losing the nutrientsprovided by the sea turtles include loss of plant growth, which can lead todune destabilization and erosion. In addition, insects and other herbivoresthat eat dune vegetation would suffer. Without the turtles, Bjorndal said, dune...

More Research Needed To Reach Green Goals

...g other things, the consequences of the SwedishEPA losing theirresearch grants in 1998. According to the assessment made by Swedish EPA, the total investment inenvironmental researchhas not changed significantly; it is still around SEK 500m-600m. But thedistribution has changed,and more changes are expecte...

Jefferson Scientists Find Further Proof Of Damage To The FHIT Gene In Breast Cancers

...tists would like to know what genesare affected by losing BRCA2 repair function. "We are trying to designexperiments to see if other genetic locations are involved in chromosomalfragility in BRCA2-associated tumors."...

Gene Therapy For Pain

...on getting relief fromchronic cancer pain, yet not losing the normal sense of feeling to react topainful stimuli. The reason for this distinction is not completely understood,but scientists feel that inflammation may help activate receptors on theaffected nerves, making them more responsive to the blocking ...

Invasive fishes pose increasing threat to U.S. waters and native fishes, says USGS

...s whererainbow trout have been introduced. "We are losing the genetic integrity of manyof the western cutthroat subspecies," says co-author Dr. Jim Williams, also abiologist with the USGS Florida Caribbean Science Center. "Many populations arebeing wiped out, and once lost, they can't be replaced." Fuller ...

Findings suggest new oxygen-sensing application for material

...on of computers that wouldretain memory even after losing power. While analyzing the effects of temperature change on the devices, scientistsaccidentally discovered that the material is surprisingly sensitive to oxygen. To accurately measure temperature, they subjected the material, known as aferroelect...

Technotes -- Pacific Northwest National Laboratory's summer news tipsheet

...nt. Researchers provide "shock" treatment Before losing access to Iraq last year, International Atomic Energy Agencyinspectors called upon Pacific Northwest researchers to devise a method forremoving uranium sludge from an underground tank. Pacific Northwest researchershad less than two weeks in which to...

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