Test For Genetic Trait May Indicate Heart Benefits Of Hormone Replacement Therapy
...e are several forms, butonly one type is primarily responsible for removing LDL. Superko says thattriglycerides and other blood fat levels, as well as cholesterol, are higher inpattern B women than in those with pattern A. Levels of these fats rise higherand stay higher after eating in pattern B women. It i......ion, results in cell damage, the molecular pathway responsible forthe damage had not been identified. "Liver preservation injury is an important problem in transplantation surgery,but without a clear understanding of the mechanisms involved in the process wehave not been able to prevent it or reduce its effects...Brookhaven, Carnegie Scientists Report First 'Morphing' Of Plant Enzyme Function
...e toidentify which amino acids in the sequence are responsible for a particularactivity of the desaturase and hydroxylase enzymes. By modifying the geneticblueprint for the enzymes, they swapped several amino acids from one enzyme fortheir equivalents in another enzyme. Then, they examined the conseq...Constructing "Designer" Plant Enzymes
...hus,this discovery reveals the chemical mechanisms responsible for theformation of most of the chemical diversity found in plant fatty acids."Basically," says Somerville, "the underlying chemical reaction is verypromiscuous and the enzymes have harnessed this 'catalytic promiscuity' to create a hugeamount of div...Cholesterol Inhibitors In Garlic Identified
...npoint the specific garlicconstituents that may be responsible for the cholesterol-lowering effectsobserved by researchers earlier in both animal and human feeding studies. Dr. Yu-Yan Yeh, Penn State professor of nutrition, presented thefindings today (Nov. 16) at a conference on "Recent Advances on the...SFU Molecular Biologist Pursues 'Promising' New Way To Fight Disease
... into antibodies, the molecules in the bloodstream responsible for ourbody's 'immune memory,' has revealed a promising new way to create a vaccinethat can stimulate the body to produce just the two or three antibodies that aremost effective at preventing a virus like HIV-1, the AIDS virus, from attackingthe body...Scientists Finger A Molecular Kingpin In Body's Response To Cigarettes
...e were very surprised.This suggests that the genes responsible for DNA damage fromcigarettes are controlled predominantly by this receptor," saysGasiewicz. Gasiewicz and Dertinger note that the result covers only onetype of gene damage in a single type of tissue. Specifically, theteam measured chromosome br...Swedenvironment No. 3 Highlights
...obuy eco-labelled products - and it is men who are responsible for the upward trend. Integrated Product Policy Needs Better Eco-Labeling And Public Procurement In preparation for the Commission's workshop on Integrated Product Policy, working groups stress the need for greater environmental consideration in p...A "Fossil" Virus Involved In AIDS Drug Resistance?
... virus, incorporated into every human's DNA, maybe responsible for some resistance to anti-AIDS drugs, according to researchersworking for Science Applications International Corporation (SAIC), asub-contractor to the National Cancer Institute (NCI) in Frederick, Md. Notingit's a radical idea, the scientists sug...Receptor May Increase Risk Of Urinary Tract Infections
...ges of embryonic development. E. coli bacteria are responsible for more than 90% of urinary tract infections,whichaffect an estimated 7 million women each year at a cost exceeding one billiondollars fordiagnosis and treatment. Finding this bacteria-binding compound on kidney cells andthe researchers have stron...Scientists Show For The First Time How Leprosy Bug Targets Peripheral Nerves
...formities brought about by nerve damage arelargely responsible for the horror and dread of this disease. Leprosy can be treated with multidrug therapy that kills most of the M. lepraein a few weeks. However, nerve function loss caused by M. leprae invasion ofSchwann cells is irreversible. The research reported ...Science-Based Decision Guide May Be Answer To EPA's Controversial Rule
...itive reaction or programmed plant cell death); 4) responsible for pest defense effects that are widely known and common withinthe plant, animal, and microbial kingdoms, and are not characteristicof pesticides, such as enzymes; or 5) derived from pest genes, such as a viral coat protein. ...Fat In Spite Of Hard Farm Work - Tracking Down Obesity
...uggests that also in humans such mutations mightbe responsible for the disease. So far the search for a trigger gene has notyielded any results. Now scientists assume that in humans there has to be morethan a genetic defect to cause obesity. Different fat distribution patterns("apple shape" versus "pear shape") ...Atlantic Salmon Cancer Virus Identified
...e made the firstidentification of a virus believed responsible for cancerous tumors in Atlanticsalmon in the New ...irst positive identification of thevirus, believed responsible for tumors that killed breeding-stock Atlanticsalmon in the U.S. Fish and Wildlife Service hatchery ...Gene Identified For Heart Defect That Causes Sudden Death In Young People
...rt Association.The gene, found on chromosome 3, is responsible for a heart condition calledarrhythmogenic right ventricular dysplasia (ARVD), says the study's lead author,Robert Roberts, M.D., professor of medicine and cell biology at Baylor Collegeof Medicine in Houston. "It should be possible to isolate and cl...Major Clinical Findings By California AIDS Team: HIV Does More Than Kill Off T Cells
...dramatically. The rise in new cell production was responsible for the increasein T-cell counts. Warner Greene, MD, PhD, director of the Gladstone Institute of Virology andImmunology, called the findings surprising and noted that, "They promise toreshape our view of T-cell dynamics in HIV infection. These re...Successful Hemophilia B Gene Therapy In Dogs May Justify Human Experiments
...ere have partiallycorrected the protein deficiency responsible for hemophilia B. The inheritedillness, also known as Christmas disease, causes victims to bleed spontaneously,live severely restricted lives and often die prematurely. Tests have shown that a unique strain of North Carolina hemophiliac dogsi......o the American Cancer Society, and thecancers were responsible for approximately 28,600 deaths in women and 27,900deaths in men. Altogether colorectal cancer accounted for about 11% of newcases of cancer reported in 1998 and about 10% of all deaths from cancer. Theoverall incidence of colorectal cancers, howev...Butterflies Help Reveal The Source Of Life's Little Luxuries
...rcuit to turn on enzymes that produce the pigments responsible for wingdecoration. In the big scheme of animal evolution, according to Keys, a graduate student inCarroll's lab, the decoration of a butterfly's wing is a much more recentinvention than the building of the wing itself: "Evolution, somewhere along t...Farmers Can Afford To Clean Up Gulf Of Mexico, Analysis Shows
...ico. Doering is one of six team leaders, and he is responsible for determining the economic consequences of proposed changes. He and the other team leaders presented their findings Jan. 23 at the annual meeting of the American Association for the Advancement of Science in Anaheim, Calif. Doering looked at t...