Tag: "responds" at biology news

Beagles win first round in fight for reprieve from patenting

...UT's patent claim on beagles. After the University responds within 60 days, AAVS and PatentWatch will have the opportunity to comment, setting up the case for a final decision by the Examiner at the USPTO. AAVS and PatentWatch will be vigorous in ensuring that the patent is ultimately cancelled. ...

Gene expression profiling may predict head, neck cancer recurrence

... which in turn provides insights into how the cell responds to its changing needs. A microarray is a tool for analyzing gene expression that consists of a small membrane or glass slide containing samples of many genes arranged in a regular pattern. It works by exploiting the ability of a given mRNA molecule t...

UCSD bioengineers develop first genome-scale computational model of gene regulation

...atory network in E. coli representing how the cell responds to environmental cues and expresses genes involved...uncovered surprising new details about how E. coli responds to oxygen deprivation. "We went into the experiments thinking that oxygen regulation is fairly well...

Malignant breast cancer cells to revert to normal with manipulation

...ue is important in how a tissue behaves and how it responds to chemotherapeutic agents....

Discovery could improve anemia treatment in patients

... severe enough to require a blood transfusion, and responds only partially to current treatments. Researchers at Children's Hospital Boston, Harvard Medical School, and the European Molecular Biology Laboratory have unraveled the complicated biology behind this type of anemia and propose new targets for drug ...

MCG pursues markers to improve ovarian cancer treatment, diagnosis

...kers in the blood that indicate how ovarian cancer responds to therapy is one goal of a Medical College of Georgia pilot study. "We want to identify new, more specific markers that will give gynecologic oncologists and their patients a better idea of how ovarian cancer is responding to treatment so they can c...

Study marks increased trends in infectious disease occurrences in our oceans

...e making everything sick," Lafferty said. "Disease responds in complex ways to the environment and it will be a challenge to better understand and manage disease in the ocean."...

Biosensor-regulated gene therapy reduces heart attack damage in mice

...a, FL (April 6, 2004) -- A novel gene therapy that responds specifically to oxygen-starved heart muscle may protect against further injury following a heart attack, a study by University of South Florida cardiovascular researchers found. Their findings are reported in the April 2004 issue of the journal Hype...

BioMed Central explodes Open Access myths

...ent inquiry. Today's statement from BioMed Central responds to each of the major "anti-Open Access" arguments made during the course of the inquiry so far. "We felt it was important, at this stage when many people are hearing about Open Access for the first time, to dispel some of these myths," says Jan Velte...

Dioxin-receptor network identified

A cell responds to pollutants - such as dioxin - via intricate and complex biochemical pathways beginning with the interaction of the pollutant molecule with a cell surface receptor. Christopher Bradfield and colleagues used yeast as a model system to elucidate the ...

Scientists at Scripps Research Institute describe structure of receptor on surface of 1918 flu virus

...t the human immune system primarily recognizes and responds to by making antibodies and mounting an immune defense. How deadly an individual influenza infection is depends on how well one person's immune system recognizes the hemagglutinin. One of the questions the researchers asked was whether the Spanish F...

JCI Table of Contents, January 15 2004

...is the well-established neuroendocrine system that responds to stress. The pituitary gland serves as a reservoir for the most important regulators of this system: arginine-vasopressin peptide (AVP) and corticotropin-releasing hormone (CRH). AVP is involved in smooth muscle contraction and its effects are medi...

Progress in probing the mosquito's sense of smell

... of an array of different receptors, each of which responds to a very narrow range of odorants," says Laurence J. Zwiebel, associate professor of biological sciences at Vanderbilt, who participated in the study. His co-authors were Vanderbilt graduate student A. Nicole Fox along with Yale colleagues Elissa A....

Cells' ability to open blood's floodgates hinges on unexpected factors

...ell increases its activity, the circulatory system responds by increasing blood flow to the activated cells. They assumed this happens so the blood can supply the cells with more sugar and oxygen as fuel for the increased workload. Over the past decade, a growing body of evidence has suggested that this idea,...

OHSU team discovers compound that lacks estrogen's risks

...ves us a much better understanding of how the body responds to estrogen at the molecular level," he said. Other study collaborators were: Jian Qiu, Ph.D., postdoctoral research fellow, Martha Bosch, research associate, and David Grandy, Ph.D., associate professor, OHSU; and Sandra Tobias, Ph.D., postdoctoral...

Emerging frontiers genomics grant for blue-green bacteria

... of genes are turned on or off as Nostoc grows and responds to changes in its environment, for example when switching to a nitrogen-fixing form. Nostoc belongs to the cyanobacteria, thought to be one of the earliest groups of living things to evolve on Earth and the first to use oxygen-producing photosynthes...

Leibniz Prizewinners 2004

...unology. His work focuses on how the immune system responds after infection with bacterial pathogens. He has made a significant contribution to explaining the biological function of various immune substances in the body (cytokines). He was also involved in developing the method of gene targeting, which led to...

A little stress may be good for you

...ein called heat shock factor senses the stress and responds by turning on the genes that encode molecular chaperones. Proteins are basic components of all living cells. To do its job properly, each protein first must fold itself into the proper shape. In this process, the protein is assisted by molecular ...

Estrogen promotes gender differences in brain's response to stress

...n male animals, and sex differences in how the PFC responds to stress are unknown. A better understanding of such processes may help to elucidate the reason that women are more susceptible to stress-related disorders, and lead to the development of better anti-depressant treatments. To examine the effects o...

New findings implicate cell size controls in a variety of diseases

...cribe how a cell growth regulator gene called TSC2 responds to different levels of available energy, such as the sugar glucose. As expected, they found that TSC2 activity is stepped up in response to energy starvation, which means the cell's growth rate is being slowed to accommodate the less favorable growin...

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