Gene Therapy Enables Transplantation Without Immunosuppressive Drugs
... team makes use of an adenovirus -- avirus usually associated with the common cold -- that has been engineered toincorporate the gene that encodes for a protein called CTLA4Ig. The gene-bearingvirus, referred to as a vector, is then introduced into an organ preservationsolution used to maintain the liver after ....... The development of this gland is believed to be associated withthe evolution of the ants' social system, which has been a key factor intheir tremendous ecological dominance. Ants are so successful that theyrepresent up to 25% of the total animal biomass in Amazonia; even in NewYork City's Central Park they ...Columbia Researchers Identify Gene For Inherited Baldness
...ns & Surgeons have discovered the first human gene associated withhair loss. The new gene, called hairless, is linked to a severe form ofinherited baldness and may be the trigger that turns on the entire human haircycle. The discovery could lead to a better understanding of the hair cycle and,eventually, more e...Lifestyle Determinants Of Plasma Homocysteine
...olate intakes, smoking, and coffee consumption was associated with a highmedian tHcy concentration and a pronounced skewness toward high tHcy values.In subjects characterized by a contrasting lifestyle profile [high folateintakes, nonsmoking status, and low coffee consumption (<1 cup/d)],tHcy values were al...USGS 1999 Budget Emphasizes Clean Water, Disaster Information, Species And Habitat Research
... Americans. From identifying water quality threats associated with abandoned minelands to determining the cause of bird die-offs in the Salton Sea, from understanding majorecosystems such as the Everglades, San Francisco Bay, and Chesapeake Bay to responding whennatural disasters occur, every day the USGS is pr...Common Cold Caused By Multiple Viruses
...).All of these viruses are known to cause symptoms associated with colds. Nearly all the colds with aknown cause were found to be caused by a viral infection. Only 7 patients were found to havebacterial infections, but six were also found to have a viral infection as well. "These findings are consistent with ou......ng focus on medical and scientifictechnologies and associated instrumentation. It manufactures nearly the entirerange of magnetic sector mass spectrometers, as well as other analyticalinstruments and software packages. Using its expertise in analyticalinstrumentation, the Company is engaged in two research an...Low Cholesterol? Reduced Sodium? What Do These Terms Really Mean?
... Feick et al. (1986) suggested that the high costs associated withnegative health outcomes (diabetes, heart attack, atherosclerosis) increase therewards of reading the labels and mitigate the time costs of spending the timelearning how to use the labels and reading them. In order for consumers to reapthe reward....... However,for most individuals, achieving intakes associated with the lowest heart diseaserisk for women in the JAMA study (400 mcg per day of folate and 3mg/day ofvitamin B-6) would require the use of supplements. Speaking on behalf of the American Heart Association, Ronald M. Krauss, M.D.,chairman of the ...Microsurgery Made More Accurate With Virtual Measuring Tool
...As mentioned above, this procedure has some danger associated with it, in case the probe inadvertently touches the aneurysm and causes it to rupture. One of the important considerations for practical use of the VTM in minimally invasive surgery, of course, is whether results from initial evaluation experiments...Argonne Researchers Develops Simple, Inexpensive Method For Cleaning Industrial Waste Streams
...caustic conditions, eliminating problems and costs associated withneutralization. Unlike ion exchange and solvent extraction, this process iseffective with fine particles. This is an in-tank or near-tank process that is inherently simple, compact, lowcost, and low maintenance. It could be applied in recovery,......tely lead to regression of the neovascularization associated with thesediseases. Now, scientists at The Scripps...potentially noveltherapeutic approach for diseases associated with neovascularization. "Our findings show how an enzyme that promotes angiogenesis can ben...Research Finds Alligator Problems Also Evident In Less Polluted Lakes
...s. "Previous studies have focused on the hormones associated with reproduction -- the steroid hormones testosterone and estradiol -- but now we have evidence of disruption in other endocrine-controlled systems," Crain said. With funding from the Environmental Protection Agency and the National Institute of...Low B Vitamin Levels Common In Many People Linked To Increased Heart Disease, Stroke Risk
... Folic acid deficiency in pregnant women has been associated with neural tube abnormalities leading to such diseases as spina bifida, a crippling birth defect. On Jan. 1, a governmental folic acid fortification program began to add thevitamin to cereals, grain products and flour. Omenn says that supplements of...Sexually Active Younger Women Are At Higher Risk For Infection With Human Papillomavirus
...l." Higher risk and incidence of HPV infection are associated with younger age,ethnic minority subgroups, increased frequency of alcohol consumption, anal sexor a high frequency of vaginal sex. A woman was less likely to have an HPVinfection last for six months if it had been her first infection. The longer a...New Research Suggests REM Is About Eyes Not Dreams
...dreams? Dr.Maurice does not deny that REM sleep is associated with such phenomena asdreaming, a rise in brain temperature, penile erections, and EEG changes. Buthe cannot see any physiological significance in these phenomena and suggeststhat they may result from the partial arousal necessary for REM to occur. ...Summary Of USGS Presentations And Activities, AAAS, 1998
...ng the movement and long-termfate of sediments and associated contaminants. The information can also beused to guide habitat and resource management and develop strategies formonitoring long-term environmental change. SATURDAY, FEBRUARY 14 * 9:00 a.m.- Noon, Thomas Ahlbrandt, USGS geologist, Denver, Colo., ..."Genes, Vitamins, Homocyst(e)ine And Cardiovascular Diseases"
... There are several potential mechanisms that are associated with elevatedhomocysteine levels. The most common is probably an insufficient intake offolic acid or of vitamin B-6, as demonstrated by Dr. Selhub and his colleaguesin subjects from the Framingham Study (Selhub, et al, JAMA 1993;270:2693-98). Moreov...Genetics Of Obesity And Of The Response To Chronic Overfeeding
...strongly suggest that undefined geneticfactors are associated with individual differences in the response to long termoverfeeding. These observations and others from the genetic epidemiologyliterature strongly suggest that the genes are involved in determining thesusceptibility to several manifestations of the ...Induced Mutant Mouse Models Of Lipoprotein Disorders And Atherosclerosis
... abnormallipoprotein phenotypes in humans that are associated with atherosclerosissusceptibility have been produced in the mouse. This has provided insights into the genes possibly responsible for thesedisorders in humans and has allowed more invasive studies of the pathophysiologyof these disorders. T...