Tag: "lowering" at biology news

Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action

...scle cellsand relaxes them, opening the vessel and lowering blood pressure. At the same time, researchers observed that this free nitric oxide was inactivatedby hemoglobin, as the iron molecule in hemoglobin essentially consumes NO. Adding these bits of knowledge together -- that NO keeps vessels op...

New Ultrasensitive Technique For Accurately Characterizing Biomolecules Is Developed By Cornell Chemists

...000 times slower than is typical for electrospray, lowering sample requirements. Also, the spray diameter is reduced so that more of the sample goes into the mass spectrometer, creating greater efficiency. "The achievement really is due to two things: slowing down the flow rate and having one of the highest...

Supelco Licenses ORNL Solid Sorbent Air Sampling Material

... toa broader range of sampling methods, as well as lowering production costs. Perhaps the sorbent trap's most impressive feature is its higher thermalstability. The conventional carbon-based traps can be heated to only 400Celsius before the materials degrade. The sol-gel material, however, can beheated to 600...

New "Wonder Peanut" Beats Olive Oil In Healthful Benefits

... was shown to help reduce coronary risk factors by lowering blood cholesterol levels in postmenopausal women. That study, conducted by UF/IFAS nutrition professor Rachel Shireman and graduate student Dawn O'Byrne, showed significant reductions in serum cholesterol and low density lipoprotein (LDL) cholesterol...

Folic Acid Fortification Effective In Cereal Grains

...d to possibly reduce occlusive vasculardiseases by lowering plasma and serum homocysteine concentrations." He noted: "The fortification of staple foods with folic acid may be the most practical and feasiblemeans to increase folate intake in the population." In the editorial, Dr. Tamura also called for a bette...

Widespread Genus Of Monkeys Gives Up Genealogical Secrets To Columbia Researchers

...species of macaques furtherindicates that periodic lowering of sea levels allowed the spread and subsequentisolation of macaques on what are now offshore islands. Glaciers and riversystems probably also contributed to the isolation of populations and creationof new species. Macaques are members of t...

B-Vitamins Lower Homocysteine Levels In The Blood; May Reduce Vessel Damage In Stroke Patients

...a number of different cellular mechanisms and that lowering homocysteinemay have multiple biological effects on endothelial cells," Macko says. "Thisis a complex topic that we are studying. The big gap in our information is:What happens in humans if you lower homocysteine?" Co-authors include Steven...

"Genetic Factors Influencing Cholesterol Response To Diet"

...s of the "Mediterranean" diet). Inaddition to the lowering of LDL cholesterol seen with both diets in pattern Bmen, the high monounsaturated fat diet also reduced levels of triglyceride andapoprotein B, but only in the pattern B individuals. Taken together, these findings indicate that efforts to re...

Wake Forest Study Shows Soy Containing A Key Ingredient Is What Lowers Cholesterol

...he standardestrogen replacement therapy, including lowering of cholesterol, reducing therisk of hardening of the arteries, and overall, improving the function ofarteries. Crouse said prior studies of the effects of soy on blood cholesterol inpeople had showed variable results, though overall these ea...

Soy Protein With Phytoestrogens Inhibit Atherosclerosis Progression As Well As Premarin

...eplacement therapy were similar in their effectsin lowering total cholesterol, low density lipoproteins (LDL) and very lowdensity lipoproteins (VLDL) -- two "bad" forms of cholesterol. Both effects werestatistically significant. Soy protein with phytoestrogen had a greater effect in raising highdensit...

Study Suggests Triglyceride Levels May Be Considered An Independent Risk Factor For Heart Attack In Some People

...ditional research is necessary to determinewhether lowering triglyceride levels can reduce heart attack deaths, thefindings make a compelling argument for measuring triglyceride levels as part ofan evaluation to determine an individual's risk for heart disease. "The growing attention to high levels of...

New Test Opens Window On Corrosive Free-Radical Activity In Individuals

...okers, and vitamins Cand E were shown effective in lowering those levels. In another study,8-epi-PGF2alpha was found to be elevated during the critical period ofreperfusion after bypass surgery or treatment for a heart attack. In a report published in the October 15 issue of the Journal of ClinicalInv...

Antioxidants May Reduce Harmful Complications Of Diabetes

...ulin produced in the body is unable to trigger the lowering of highblood sugar. Type II diabetes afflicts about 90 percent of the estimated 10.7million Americans diagnosed with the disease and the 5.4 million believed tohave undiagnosed cases, according to the Centers for Disease Control andPrevention. ...

New Clue To apoE Function

... seems to be the worst luck ofthe draw. As well as lowering the age at which Alzheimer's disease develops,this permutation appears to speed the onset of Parkinson's disease and bodes apoor neurological outcome after cardiac bypass or cerebral hemorrhage. "Our thinking is that apoE3 is much more effect...

Homocysteine: A Possible Risk Factor For Alzheimer's Disease

...er a number of years will be needed todetermine if lowering homocysteine levels, by means of dietary supplementationwith folic acid and vitamin B12, influences the development of Alzheimer'sdisease. Individuals should not take extra folic acid without consulting theirdoctor. Profesor David Smith, Chairman of ...

Inhibitor Shows Potential To Protect Infant Brain

...y to one side of a newborn rat's brain and briefly lowering the oxygen content of the air. This procedure kills neurons, which results in loss of brain tissue. Holtzman and colleagues showed, however, that while some neurons swell up and burst, as happens rapidly in adults with head injury or stroke, many neu...

Cholesterol Lowering Drugs Stall Disease Progression In People With Below-Average Blood Cholesterol Level

...o matter how low a person's cholesterol readingis, lowering his or her cholesterol prevented further developme...f Auckland."These results suggest that cholesterol lowering is likely to reduceatherosclerotic progression in most people with coronary heart disease across abr...

Gene Detected That Decreases "Bad" LDL Cholesterol In Men May Cut Heart Disease Risk By 50 Percent

...s kind of reduction would correspond to 50 percent lowering of risk offuture heart disease in a 40-year-old man," says the study's lead author, Dr.Fredrik Karpe, of the Atherosclerosis Research Unit, King Gustaf V ResearchInstitute, Karolinska Hospital, Stockholm, Sweden. Individuals who carry a double copy o...

Studies Suggest Cold Can Protect Valuable Papers

...tient graduate student." "We found that by lowering the temperature 10 degrees Celsius, thereaction rate went down six-fold," Wolfenden said. "By dropping it another 10degrees, say from 25 degrees Celsius to five degrees, you would have almost a40-fold decline, so that a document that would last 100 y...

National Science Foundation Is Taking Small Business Into A New Phase Of Innovation

...oder, this technologyincreases voice quality while lowering costs and doubling the network capacityof digital cellular telephones. {Contact: Jay Jacobsmeyer, (719) 548-1040/ Jacobsmeyer@compuserve.com }...

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