Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
...iversity Medical Center showthat harmless doses of three chemicals used to protect Gulf War soldiersfrom in...bromide(PB) were harmless when used alone, even at three times the doses soldierslikely received. But when used in combination, the chemicals caused neurolog...New Cancer Switch Discovered By Duke Medical Center Pharmacologists
...the Nov. 1 issue of Genes & Development, is one of three different advances described by the scientists in October and November, all of which point toward new ways to interfere with the malignant machinery of cancer cells to kill them. In a second paper in the October issue of Molecular and Cellular Biolog...Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"
... normal genes. While a normal gene might repeatthe three nucleotides cytosine, adenine and guanine (CAG) fewer than 30times, genes that produce Huntington's disease and other such brain disordersmight repeat the sequence between 40 and 100 times. As the repetition grows,the disease becomes more severe. Th...Tumor Suppressor Gene Located In Liver Cancer Cells
...perly, the M6P/IGF2r receptor protein has at least three distinct regulatory -- or "traffic cop" -- roles w...ne," according to Zeneca's De Souza, who has spent three years at Duke University investigating this gene. "Instead of carrying out its normal regulatory fu...New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics
...lography of theenzyme revealed that it consists of three identical subunits that fit togetherto form the functioning enzyme. Each subunit consists of a novel "left-handed"beta helix at the end called the NH2-terminal. The other end of the enzyme,called the COOH-terminal, features coils called alpha helice......aking precise determinations of the amounts of all three isotopes (U-238, U-234 and Th-230), and knowing the rate at which the transmutations occur, researchers can estimate the age of a rock. Basically, the higher the ratio of Th-230 to U-238, the older the limestone. To get these ratios, scientists prev...Children Become Gorillas In VR Zoo
...s and educators first began toplan a 'virtual zoo' three years ago," said Dr. Terry L. Maple, directorof the zoo and one of the world's foremost authorities on gorillabehavior. "We instantly thought of Georgia Tech as our design partner,and we are extremely impressed with the scholarly approach taken by &#...From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...nching off in different directions. Around it are three or four tiny white marks, maybe 1/4-inch long -- the objects of her attention. These are living corn rootworms in soil, caught in the act of searching for the plant root. "Here you can see where they were when we started. In this picture you can se...Transgenic Rice Plants Resist Insects, Drought And Salt Damage
... transgenic rice were first introduced to cells of three Japonica rice varieties with the Biolistic particle delivery system, the "gene gun" invented at Cornell by plant biologist John Sanford and electrical engineer Edward Wolf. Cornell Research Foundation has applied for patents on the transgenic rice t...Race Plus Roaches: A Breathtaking Link
...mericans living in the inner-city are hospitalized three times as often and die five times more often from asthma than those of other races. The study included 66 boys and 21 girls, 48 Caucasian and 39 African-American children from 37 urban and 50 suburban homes. All had moderate to severe allergic ast...Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
...s from Porsuk, a site in central Turkey, that were three to eight times wider than normal. Porsuk is about 840 kilometers downwind of Thera. Archaelogists had long believed the Thera eruption had occurred around 1500 B.C., but more recent studies have strongly suggested the eruption occurred earlier, in 1......opment of both new varieties. Reisch has released three white wine grapes -- Chardonel, Melody, and Horizon -- and one red seedless table grape -- Einset Seedless -- since coming to the grape breeding program at Geneva in 1980. EDITORS: A press conference is scheduled for July 16, from 5:30-6:30 p.m., at...NADC Examines TB In Cattle and Swine
...ent. The tuberculins used for skin testing in the three countries are preparedby different methods and from different strains of the bacterium Mycobacteriumbovis . The researchers compared tuberculins from each country to determineif there is a need to standardize the tuberculins used in North America. ...Core Spins Faster Than Earth, Scientists Find
... core arrived slightlybut steadily sooner over the three decades, they found. Dr.Song and Dr. Richards calculated that over a year, the inner corerotates about one longitudinal degree more than the Earth's mantleand crust. The inner core makes a complete revolution inside theEarth in about 400 years. TheE...Researchers Find Possible New Route to Making Cancer Cells Vulnerable
...he Journal of BiologicalChemistry. They found that three drugs given to stop organ transplant rejection-- cyclosporin, FK506, and rapamycin -- also block the cellular pump thatexpels cancer chemotherapy drugs. But it turns out the drugs block the pumpby different mechanisms. Previously, scientis...Cooking And Salad Oils Could Lubricate Cars, Boats, Machines
...cessfully in company vehicles for the last three years. The company's success challenges the widespread perception that vegetable oils oxidize too rapidly to be used in engines. Duda said there has been continuing interest in vegetable oil-based lubricants for many years be...Salvage Gene Is At The Root Of Many Mutations
...g place every day in about 10,000 to 20,000 of the three trillion DNA bases in each of our cells. Uncorrectedabasic sites can be lethal to cells because they act as vast potholes, halting the polymerase enzymes that usually zipalong a strand of DNA during replication. If a cell is unable to replicate its D...Genetic Alterations Linked To Cancer In Some Blood Samples
... 15 with negative test results. Additionally, the three patients who developed distant metastases (disseminated cancer) were in the positive test group, further indicating that poor outcome may be associated with the presence of serum DNA alterations. These results must be confirmed in much larger clinic......The disorder gradually disappeared during the next three to 15 months in five participants, who started the study before kidney failure became severe, the results show. Four of the five people have resumed normal or nearly normal diets and have remained in remission or near remission for six months to two ...... medical disorders at the cellular level. "We have three orders of magnitude better sensitivity than what was possible before. The biggest thing about this is that you can get a complete identification of a totally unknown molecule. Just knowing the molecular weight at our accuracy level is a big help," ...