Tag: "leads" at biology news

Highlights of Tufts University nutrition research: January 2004

...shown that acculturation to American eating habits leads to poorer diets, Tucker explains, "less dietary acculturation was associated with obesity in this group of mainly Carribean origin Hispanics." Tucker and colleagues Odilia Bermudez, PhD, and Hai Lin, PhD, MPH, at the Jean Mayer USDA Human Nutrition ...

Lock to food-borne pathogen pathway may be key to vaccine

...ey in a lock. This interaction opens the door that leads to a complicated series of biochemical reactions. ...g of the infection's intestinal phase pathway that leads to illness, then we need to block them," Bhunia said. "Our focus now is to determine when and under ...

Global warming may cause songbirds to avoid certain foods

...ological systems." Since increased carbon dioxide leads to elevated levels of secondary compounds in plant leaves and decreased growth rates of caterpillars that eat those leaves, McWilliams said "birds that primarily eat herbivorous insects like caterpillars may find themselves without enough to eat as a...

Other highlights in the January 21 issue of JNCI

...n Awareness, Risk Perception Genetic counseling leads to increased knowledge of cancer genetics and does not have an adverse impact on anxiety or distress of the patients being counseled, according to a systematic review. The identification of genes that are associated with a high risk of certain types...

Jan. 23-26 conference in Oakland, Calif., to discuss aneuploid theory of cancer

...day -- that chance mutations in a handful of genes leads to the unchecked cell growth typical of cancer. The effects of changing the normal number of chromosomes, which contain thousands of genes, are far more dramatic than mutation of a few genes, Duesberg says. In the past few decades, scientists have al...

AMA Alzheimer's Media Briefing

...cent discoveries about Alzheimer's disease process leads to new treatment strategies SOCIETAL COSTS OF ALZHEIMER'S: Information on the impact of this growing epidemic LUNCH PRESENTATION: "A Changed Life" (Observations of a caregiver) Register online: http://www.ama-assn.org/ama/pub/article/4197-795...

JCI Table of Contents, January 15 2004

...mal architecture of affected organs and ultimately leads to their dysfunction and failure. The TGF-b/Smad signaling pathway is likely to be involved in the persistent activation of the genes encoding proteins such as collagen, which underlie the thickening fibrotic process. Hironobu Ihn and colleagues fro...

Adolescent rodents experience milder hangover effects than do adult rodents

...nsumption to help establish that increased anxiety leads to the suppression of social interactions that would normally occur when two animals are placed together. For this study, researchers examined changes in the social interactions of adolescent (110 male, 110 female) and adult (115 male, 115 femal...

Alcohol-dependence gene identified

...w, so we can't tell what the pathway might be that leads from GABA receptor genes to alcoholism." Finding that GABA is involved in alcohol abuse and dependence supports a current theory that predisposition to alcoholism might be inherited as part of a general state of brain overactivation. People at risk ...

Transgenic mosquitoes are less fertile than their counterparts in nature

...carrying mosquitoes." Atkinson, the professor who leads a major research program to genetically modify mosquitoes to combat mosquito-borne disease, was not surprised that there was a fitness cost associated with transgenesis, but was surprised with the magnitude of it. "Once we determine the genetic basis...

OHSU-led research examines role of copper, iron in diseases

...t-circuit of copper metabolism in human cells that leads to two deadly neurodegenerative disorders known as Wilson's disease and Menkes disease. Now, a research team led by scientists at Oregon Health & Science University is working full time at the molecular level of medicine to find out. These "metall...

Researchers seek to clone 'mad cow disease' resistant cattle strain

...c prions, they begin to "fold" in another way that leads to disease. In the case of BSE and vCJD, pathogenic prions introduced from contaminated food sources interact with normal prions in the body and transform them into the lethal agents that eventually create the "Swiss cheese-like" lesions in the brain...

Gene affecting bone mass, osteoporosis risk identified

...low bone mass, resulting in low bone strength that leads to fractures from relatively minor injuries. An estimated 10 million people suffered from osteoporosis in 2002, and about 80 percent of them are women. An enzyme activated by the gene could be targeted by drugs to prevent this bone-deteriorating diso...

Salk news: Understanding organ placement

...se of development, there is a genetic cascade that leads to the proper placement of organs. If that cascade is disrupted, the results can lead to major problems or be fatal," said Salk Professor Juan Carlos Izpisa Belmonte, who published the findings in the January 8 issue of Nature . Still, scientists di...

AGU journal highlights - 6 January 2004

...revious research had found that enhancedvegetation leads to cooler surface temperatures, which the authorsconfirmed with their finding that vegetation growth during warmsummer months slowed the ongoing increase in summertimetemperatures. They note, however, that this mechanism for slowingglobal climate cha...

Chimp vs. human DNA: what's in the 1% difference

...pecific attributes of their sense of hearing. This leads Clark to wonder whether one of the difficulties in training chimpanzees to understand human speech is that their hearing is not quite up to the task. Although studies of chimpanzee hearing have been done, detailed tests of their transient response h...

Lifestyle accounts for difference in chimp, human genome

...pecific attributes of their sense of hearing. This leads Clark to wonder whether one of the difficulties in training chimpanzees to understand human speech is that their hearing is not quite up to the task. Although studies of chimpanzee hearing have been done, detailed tests of their transient response h...

Scientists discover way to streamline analysis of maize genome

...problems in genomics," says Jane Silverthorne, who leads the NSF's plant genome program. TIGR Investigator John Quackenbush, the paper's senior author, says, "Maize is the single largest food crop in the United States, so developing strategies to decode its complex genome is a high priority. More...

Less is more: New technology captures gene-rich DNA segments

Obtaining genome sequence information frequently leads to breakthroughs in the study of a particular organism. Bringing agriculturally important plant species into the genomic age is therefore an important goal. However, because they are typically larger or much larger than the 3-billion letter human DNA...

Purdue biologists expose the inner workings of viral machine

...s in a form known as the "messenger molecule" that leads to the translation of genetic information within cells. "If a reovirus exposed its strands of RNA to a cell's cytoplasm directly, the cell's defense mechanisms would destroy them before they could multiply," Baker said. "So once a reovirus particle i...

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