Lactose-Intolerant People Should Drink More Milk, Expert Says
...r eating milk products. But if they adapt to small amounts of milk for a couple of weeks, at the end of that period, they are producing far less gas than they were two weeks ago from the same amount of milk, and they tolerate dairy products extremely well." Research studies on calcium metabolism have shown t...Scientists Invent Faster Gene Function Identification System
...es, scientists used the T7 system to express large amounts of ribozymestargeted at specific genes. Ribozymes are RNA molecules that function asenzymes, binding to mRNA produced from a specific gene and physically cuttingthe message, and thereby preventing protein production. "The result suggests that...Hultgren Receives Prestigious Eli Lilly Award
...imH gene, Hultgrenproduced E. coli that make large amounts of correctly folded adhesive protein.In the absence of usher, this protein remains inside the bacterium, from whereit can be isolated. FimH purified by Hultgren's team recently underwentsuccessful vaccine trials in mice at MedImmune Inc., a biotechno...Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
...se the same macronutrients areavailable in similar amounts in common vegetables, which are eaten in muchgreat...ronutrient hypothesis -- that spices provide trace amounts ofanti-oxidants or other chemicals to aid digestion -- could be true and still notexclude the antimi...Intake Of Acetaminophen Increases Risk Of Excessive Anticoagulation In Patients Taking Warfarin
...fexcessive anticoagulation if they also take large amounts of the pain relieveracetaminophen, according to a study from the Massachusetts General Hospital(MGH). Excessive anticoagulation is known to raise the risk of majorhemorrhage. The report appears in the March 4 Journal of the American MedicalAssociat...Federal Food Aid Makes Healthier Children
...ams, Habicht says. The researchers analyzed the amounts of 15 nutrients consumed over three days by participating and nonparticipating low-income children. The intake of 10 of the nutrients (vitamins A, E and B6, thiamin, riboflavin, niacin, folate, magnesium, iron and zinc was significantly improved for...Nitrate Reductase: A Magical Enzyme?
...ase gene and will providescientists with the large amounts of the material they need for experiments. "It's been a step-by-step process," explains Campbell. "When we firststarted recombinant expression of nitrate reductase, we couldn't produce anentire enzyme--now we can." The Michigan Tech Professo...Heart and Soul: The Blood Vessels And Brain Use Common Guide
...nd that breast and prostate cancer cells makelarge amounts of neuropilin. This seemed confusing at first. Researchers believe that tumor cellsrelease VEGF, which diffuses and then binds to the two traditional VEGFreceptors expressed on the endothelial cells of a nearby capillary, triggeringnew blood ...Sex Differences In Heart Disease May Be Due To Enzyme That Breaks Down Fat
...researchers found that men had significantly lower amounts of HDL, highertriglyercides and more small, compact LDL. "One of the regulators of hepatic lipase appears to be estrogen," hesays. "A crucial question would be to look at post-menopausal women, becausewomen's heart disease risk increases aft......"When the triglyceride levels were measured by the amounts of HDLcholesterol in the blood, a clearer picture emerged," says Jeppesen. "Even thosewho had high HDL levels, which are thought to protect against heart attack, werestill found to be at higher risk for heart disease because of their triglycerideleve...Link Made Between Human Growth Hormone, Bone Quality In Mice
...human genes. These mice were able to secretelarge amounts of human growth factor, because the human gene which triggersproduction of this hormone had been inserted into their DNA during thefertilized egg stage of development. Thirty-six male control mice in the studywere littermates of the experimental mic...Human Metabolite Of Taxol Synthesized In The Laboratory
...und had only beenavailable previously in microgram amounts by isolation from the plasma ofpatients treated with paclitaxel (Taxol), so the availability of syntheticmaterial will now make it available on a much wider scale. "The process provides a good yield overall," reports Kingston. "Althoughthe k...Adults Need To Increase Intake Of Folate; Some Women Should Take More
...since research has involved giving only additional amounts offolic acid. Neural tube defects -- such as spina bifida -- result from a disruption during thedevelopment of the fetus's central nervous system in the first month ofpregnancy, when most women do not realize they are pregnant. A com...Extra Choline During Pregnancy Enhances Memory In Offspring
...ently than ratsthat received normal or substandard amounts of choline prenatally. And thatmemory enhancement endured until the rats were 4 months old -- the equivalent ofearly adulthood in humans. Specifically, the research showed that choline enhanced a brain functioncalled long-term potentiation ...From The Home Front To The River Front, USGS Updates Water-Quality Information
...of nitrogen, are of particular concern where large amounts of manure or other fertilizers are applied to area...waters from these two rivers in 1996 carried large amounts of nutrients and suspended sediment to Chesapeake Bay. Therefore, the reported trends were adjusted ......e think this immunity results from exposure to low amounts of virus,which is enough to get the cellular immune antiviral response going," said Levy. "Each subsequent exposure then acts as a kind of booster." He said theresearchers do not know why the CD8+ cell antiviral response occurs in somepeople and not ......e been applied to the problem of integrating large amounts ofenvironmental data into a coherent picture of particular environmental systems. Several of the contributions deal specifically with the problems involved inco-ordinating data collection over large geographical areas and over manydimensions of measu...Chocolate Treats Can Land Racehorse Trainers In Trouble
...se disqualified. However, Sams said he doubts the amounts of caffeine and theobrominefound in the horses he tested would have given the animals a real advantage over other horses. Sams began the research, which was published recently in the Journalof Analytical Toxicology , after a Florida racehorse train...Two Environmental Articles: Deformed Frogs & Dioxin In Old Soil
...tically alter embryo development. By addingminute amounts of these degradation products to developing embryos of theAfrican clawed frog, Xenospus laevis, the Scripps group found that the embryodeveloped into a juvenile with deformations similar to those found in nature. La Clair emphasizes that th...... The rats that received no BAF had lost extensive amounts of tissue in the affected hemisphere. The cortex, hippocampus and striatum had shrunk, and the fluid-filled ventricles had expanded. But the researchers saw quite a different picture when they analyzed the BAF-treated rats. "On average, the control a...