Tag: "effects" at biology news

Soy Protein With Phytoestrogens Inhibit Atherosclerosis Progression As Well As Premarin

...ins (VLDL) -- two "bad" forms of cholesterol. Both effects werestatistically significant. Soy protein... the blood, while thePremarin "may have additional effects on the artery wall." The team held the atherogenic diet constant, so the animals were gett...

Peptides Implicated In Body's Response To Pain

...ense pain. Such a treatment would have fewer side effects andwould enable lower doses of morphine to be used," said Dr. Basbaum. The NINDS, one of the National Institutes of Health located in Bethesda,Maryland, is the nation's leading supporter of research on the brain and nervoussystem and a lead agency fo...

Growth Factors Shown To Increase Vitamin C In The Immune System

...though many claims have been made for the positive effects of vitaminC, Dr. Golde explains that more research is needed to determine the exactrole that vitamin C plays in boosting immune defense. "It's important tounderstand that our laboratory research relates to the oxidized form ofvitamin C, dehydroascorb...

Needlestick Injuries Common In Female Veterinarians, Study Finds

...udy. The injured veterinarians reported side effects in 16.4 percent of theunintentional needlestick wo... Almost 62 percent of the women reporting side effects felt mild irritation,pain, swelling and soreness surrounding the punctured area. Nearly 12 percento...

Rapid Progress Reported On New Class Of Anti-Cancer Drugs

...tandthe mechanism. The biochemists also tested the effects of altered farnesylmolecules -- with the two kinds of experiments revealing that the FTase reactionis a "carbo-cation nucleophile mixed mechanism." Fierke and postdoctoral fellow Kendra Hightower -- along withpostdoctoral fellow Becky Spense...

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

...xisted to easily anddirectly measure the corrosive effects in the body of these highly reactivetypes of oxyge...osition thatantioxidants can limit the deleterious effects of free radicals have been basedon statistical studies of groups of people and on test-tube experime...

Study Finds Some People Are 'Born To Smoke'

...s because theyare inherently more sensitive to the effects of nicotine---particularly thepleasurable effects---than people who are not tempted to smoke again. In a new study, researchers from the University of Michigan Medical School askedfemale smokers, ex-smokers, and non-smokers about the sensations they...

Women Who Smoke While Pregnant Pass Along Genetic Mutations To Their Babies, According To Pitt Researchers

...netic susceptibility to cancer andearly biological effects of cancer-causing agents. They studied the incidenceof mutations in the gene for glycophorin A (GPA), a molecule found in themembrane of red blood cells. Changes in the GPA gene are considered a measureof genetic damage in non-reproductive cells of...

Smog Spreading To South Pacific

...intwork in the 1970s that revealed the destructive effects of chlorofluorocarbons,or CFCs, on stratospheric ozone, which forms a protective shield againstbiologically harmful ultraviolet light from the sun in the upper atmosphere. Rowland spoke today at a symposium honoring Molina as the 1998 winner of theAm...

New Recommended Intake Of Folate, Other B Vitamins, And Choline To Be Announced At April 7 Briefing

...s, andspecifies intakes above which adverse health effects may occur. The report isthe second in a series that will replace the Recommended Dietary Allowances setby the National Academy of Sciences since 1941. Dietary Reference Intakes for Folate, Other B Vitamins, andCholine will be released at a publi...

Pitfalls Of Puberty: New Animal Research Shows Stress During Adolescence Alters Behavior And Brain Chemistry

...n hamsters. "The findings underscore the effects of social stress during puberty inhamsters," says the study's lead author, Yvon Delville, PhD, an assistantprofessor in the psychiatry department at the University of MassachusettsMedical Center in Worcester. "The results also show that an imbalance...

Water Quality In Indiana's White River Basin Affected By Urban And Agricultural Activities

...ible to contamination and provide insight into the effects of pesticides and fertilizers on ground-water quality. Pesticide concentrations typically decrease with depth in an aquifer. The presence of only low pesticide concentrations in shallow wells indicates they are probably not present in the deeper grou...

Retinoic Acid Used In Cancer Treatment

... Retinoic acid reverses the growth-promoting effects of oncogenes, the mutated genetic material that induces cancer, says Andrew Yen, a professor of pathology and director of one of the Cancer Biology Laboratories in Cornell University's College of Veterinary Medicine. The finding, which to da...

Possible Trigger For Heart Failure Identified In Lab Animal Studies

... first experimental study to show that the harmful effects of"heart failure levels" of TNF could be partially reversed using a specific TNFantagonist, says Mann. At the American Heart Association 70th Scientific Sessions lastNovember, Mann, head of the Houston team, reported that a single infusion of...

First Evidence That Localized Arthritis Gene Therapy Heals Distant Diseased Joints

...alized gene therapy for arthritis produces healing effects on distant joints affected with the disease. Resu...th altered TNF" receptor gene diminished arthritic effects in untreated, distant knee joints. "The best therapeutic effect appears when the IL-1 recepto...

Smokings Effects On Pregnancy Not Mitigated By Prenatal Vitamins, UB Study Finds

...ir prenatal vitamins will offset the known adverse effects of smoking on the developing fetus, are deluding t...ssibly in an effort to offset the reported adverse effects of smoking. To determine if multivitamins are effective in reducing the risk of these adverse ...

Agriculture and urban activities impact water quality in the South Platte River Basin

...established water-quality standards. Moreover, the effects of long-term exposure to pesticide mixtures are, a...des were those most commonly detected. The effects of human activity on water quality go beyond the concerns ofdrinking water--the aquatic ecosystem of...

Fruits And Vegetables Protect Lungs

...o a new Cornell University study. The beneficial effects of consuming high levels of antioxidants are signi...qually protective for both groups. The beneficial effects of each antioxidant remained significant even when all the antioxidants were considered together. Th...

Leading HIV Researcher Identifies Molecular Mechanism That Enhances NaturalImmune Defense Against HIV Infection

...le found on macrophages, themacrophages' enhancing effects were abrogated. When they exposed macrophages toanti-CD86 antibodies, the CD8+ cells were not stimulated. In contrast, anti-CD80 blocking antibodies had little effect on the ability ofmacrophages to enhance CD8+ cell antiviral response. Finally, the...

Naturally Produced Enzyme May Be Useful In Inflammatory Arthritis

...eutral endopeptidase (NEP) couldreduce some of the effects of inflammatory arthritis, according to a studyin ...duals, NEP is one of the enzymes which controlsthe effects of such peptides, Ward said. Ward and his colleagues tested synovial fluid from the joints of ...

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