Tumor Suppressor Gene Located In Liver Cancer Cells
...ed transforming growth factor beta. It disables a positive growth factor, insulin-like growth factor II. The receptor also works inside the cell as a shuttle craft, moving proteolytic enzymes to the lysosomes, a part of the cellular digestive system that breaks down proteins into simpler compounds. Because t......ield and subjected to mass spectrometry, they test positive for Spanish fly. "We don't think they get it from French chemists," Eisner said....Genetic Alterations Linked To Cancer In Some Blood Samples
...esearchers found that 4 out of the 6 patients with positive test results subsequently died of their cancer com...stant metastases (disseminated cancer) were in the positive test group, further indicating that poor outcome may be associated with the presence of serum DNA al...New Finding Suggests "HATs" Are Key To Gene Activation Puzzle
...the December 27 issue of Cell . "I feel very positive about these findings," says Alan Wolffe, a widely recognized DNA expert at NIH who was notinvolved in this research. "I think they're some of the most exciting in this field in the last 10 years." The team has found the strongest evidence yet to...Molecular Imposter Rebuts Long
...e. It's theresulting matching of atoms with slight positive andnegative charges that biochemists have thought critical to the99.99 percent accurate pairing of bases in DNA. "It now appears that the shape of the DNA bases may be thechief mechanism by which DNA-replicating enzymes selectthe right bases to ...Pets Provide Physiological Benefits For Women Living Alone
...dings indicate that there is more than one type of positive social support," Allen said, "and they suggest that for people with few human contacts or friends, pets can play an important role in moderating age-related increases in blood pressure." Apparently these results hold true only if Kitty or Fido ...Couch Potatoes, Not French Fries, May Be To Blame For Obesity
...tly negative association. There certainly wasn't a positive relationship." In other words, people living in states with high numbers of fast-food outlets were slightly less likely to be obese than people living in states with fewer fast-food outlets, according to the study. According to Binkley, the study con...Scientists Discover How Genes Work Together To Control Neural Development
..., everyone thought developing cellsalways received positive signals, but now evidence is building at a rapidrate that the message often carried by the signal-transduction pathwayis 'kill the gatekeeper,'" Carthew says. "Many vertebrate proteins, some known to be involved in cancers,carry a structural featur...Common Childhood Virus Poses Threat To Adults, Research Shows
...less than 40 years old. While 135 patients tested positive for RSV antibodies, only the 57 whoselevel of antibodies quadrupled over the course of a month were consideredtrue cases of RSV for the study. In some patients, researchers noticed theeffects of bacterial infection, which indicates they might have ac...Researchers Discover First Animal Strain Of Hepatitis E Virus
...he Midwestern United States, tested positive for hepatitis E virus antibodies. In a separate analysis, piglets born to antibody-negative sows were found to seroconvert (develop antibodies to hepatitis E virus) when raised in large ...Trojan Horse Virus Controls Hiv Infection
...orhumans. In their paper, the authors note several positive features of their system. Forexample, levels of the novel VSV would be expected to decline as HIV declines,since the VSV only targets andmultiples in HIV-infected cells. Moreover, resistance to the novel VSV wouldnot be expected to develop, because......ucing neurons are involved inmediating some of the positive reinforcing properties shared by drugs of abusesuch as alcohol, cocaine, methamphetamine and opiates. "We examined mice that were genetically engineered to lack the D4dopaminereceptor to investigate the role of this receptor in mediating the eff...NIH Office Of Dietary Supplements Expands Research Support
... Director of the ODS. Were enthusiastic about the positive reception the Institutes have given the REAP program and their interest in partnering with the ODS in support of these important projects. In conjunction with the National Cancer Institute, the ODS is funding a new project at the State University of...Imaging Studies Illuminate Brain's Response To Cocaine
...ystem: reinforcement, which refers toan immediate positive or pleasurable reaction, and incentive, which in thiscontext means motivation to repeat an activity,"says Hans Breiter, MD, a memberof the MGH Radiology and Psychiatry Services and first author of the study. Much current understanding of how drugs l...Free Radicals Implicated In Impaired Lung Function; Damage May Be Mitigated By Certain Antioxidants
... only potential antioxidant measured that showed a positive relationship to lung function. Researchers are continuing their analysis of the relationship between lung function, oxidative stress and antioxidant vitamins. "We know that obstruction of the pulmonary airways, as revealed by test of lung capa...Folic Acid Fortification Effective In Cereal Grains
... folic acidsupplemented alone. Therefore, certain positive benefits should be expected to lower theincidence of pregnancies affected by neural-tube defects and to possibly reduce occlusive vasculardiseases by lowering plasma and serum homocysteine concentrations." He noted: "The fortification of staple foods...Peptic Ulcer Treatment Improves Health, Saves Money
...ial infection. If a newly diagnosed patient tests positive for H. pylori, the recommended course of action is antibiotic treatment to eradicate the bacteria---a regimen that nearly always cures the disease in a matter of weeks. However, millions of people were diagnosed before the link between ulcer dis...Wake Forest University Study Takes Students In Flight With The Albatross
...nals emitted by the seabirds' transmitters. If a positive contact is made, the satellite notes the strength of the signal and then locks in the latitude and longitude, time and other data and transmits it to receiving stations in Fairbanks, Alaska; Lannion, France; or Wallops Island off the coast of Virgini...Garlic Prevents Hardening Of Aorta, New Study Shows
...older age groups,” said Boudoulas. The positive effect of garlic was more than 3.5 times higher in the60-69 age group than it was in the 50-59 age group. In the 70-80 age group,the effect was more than 4 times higher. Boudoulas said this may reflectthat the fact that in younger people the aorta ...Low Cholesterol? Reduced Sodium? What Do These Terms Really Mean?
... which most people need toconsume less compared to positive dietary components, defined as nutrients suchas vitamins and minerals of which most people need to consume more. The mostcommon examples of negative dietary components are fat, cholesterol, sodium andsugar. Feick et al. (1986) suggested that the high...