Tag: "underlying" at biology news

Study in Royal Society journal on sense of fairness in chimpanzees

...trong genetic coadaptation for the genetic control underlying the emission of the signal and its reception. This problem is particularly acute in the case of inter-individual sexual communication where coadapted changes in signal emission and reception may create new species. Up to now, the known genes coding f...

Man and mouse share genome structures

...y help scientists understand regulatory mechanisms underlying cancer and human development. The research team i...ong equivalent chromosomal regions, even where the underlying DNA sequences are different. Bernstein and Schreiber began to develop the analytical techniques s...

Gene with broad role also causes prevalent, inherited nerve disorder

..., in some cases, become wheelchair-dependent. The underlying defect in CMT is muscle atrophy due to a lack of s...es. That lack of stimulation stems from one of two underlying causes, which define the two primary forms of the disease: CMT type 1 and 2. In CMT type 1, the spe...

Heart specialists call for cardiovascular screening for all young competitive athletes

... that it triggered cardiac arrest in athletes with underlying diseases predisposing them to life-threatening ventricular arrhythmias. The consensus group was also drawing on the results of Italy's 25-year experience of systematic pre-screening in reaching its conclusions. Italy has a mandatory eligibility test ...

New component of the 'brakes' on nerve regeneration found

...sponse to injury. "Further characterization of the underlying mechanisms of these findings and their relation to myelin inhibition may provide important insights into designing therapeutic strategies to block myelin inhibition and cell death in the context of CNS injury," they wrote....

Key trigger of opioid withdrawal symptoms found

...cts kick their habits. To zero in on the machinery underlying withdrawal symptoms, researchers led by Elena Bagley and Macdonald Christie of the Pain Management Research Institute at Royal North Shore Hospital (a division of the University of Sydney) performed biochemical studies on brain slices from mice that ...

Biology in four dimensions

...ange living systems. But using this new model, the underlying principle became very clear." The researchers developed the model by combining data from many different studies. First, they analyzed existing protein-protein interaction data to construct a network that traces the pieces of each complex and shows ho...

Story tips from the Department of Energy's Oak Ridge National Laboratory, February 2005

...for deciphering the complex molecular interactions underlying skull development. Mutations in the gene that codes for a novel cell-signaling protein affected skull and spine growth in mice. The strains could serve as models for craniosynostosis, a condition where a child's skull bones grow very fast and fuse pr...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

...imal studies can more quickly provide clues to the underlying mechanisms of damage and suggest ways to test new ...n of placental blood flow is one of the mechanisms underlying the harmful effects of cocaine exposure during pregnancy. The research was funded by the Office of ...

Sequencing of marine bacterium will help study of cell communication

...udes, "If we are to understand the unifying themes underlying these contrasting bacteriahost interactions, we must begin to use comparative genomic approaches with closely related pathogenic and beneficial microbial species." Marie Faini O'Brien of Frederick, Maryland, earned her master's degree in biology in A...

Melatonin shrinks bird gonads. What does the popular supplement do in humans?

...libly. It could have a multitude of effects on the underlying physiology of an organism, but we know so little about how it interacts with other hormone systems." Bentley, along with graduate student Takayoshi Ubuka, senior endocrinologist Kazuyoshi Tsutsui, a professor on the faculty of integrated arts and sci...

Asthma gene clusters identified

...epithelial cells. Genes associated with mucosa and underlying cells are likely to be involved as well. Dr. Hershey is expanding her research in cooperation with the Computational Medicine Center (CMC), a research partnership with Cincinnati Children's and the University of Cincinnati College of Medicine. The ce...

International HapMap consortium expands mapping effort

...a better understanding of the genetic risk factors underlying a wide range of diseases and conditions," said NHGRI Director Francis S. Collins, M.D., Ph.D. The first phase of the HapMap Project has allowed scientists to make important analyses of the human genome that were not possible with just the human DNA s...

Study finds direct association between cardiovascular disease and periodontal bacteria

...is and, hopefully, begin to establish a time frame underlying the diseases," said Ralph Sacco, M.D., M.S., associate chair of Neurology, professor of Neurology and Epidemiology, and the director of the Stroke and Critical Care Division of Columbia University College of Physicians and Surgeons. He also is an a...

JCI Table of Contents, March 1, 2005

...t is imperative to learn more about the mechanisms underlying it. After MI, there is an increased expression of matrix metalloproteinase-2 (MMP-2) but it was not clear why. Appearing online on February 10 in advance of publication in the March 1 print edition of the Journal of Clinical Investigation, Yasunori ...

Prior caesarean delivery not linked to increased risk of stillbirth

... over the age of 35, smoking, substance abuse, and underlying medical conditions such as diabetes, hypertension or preeclampsia. A previous study by researchers in England found that prior caesarean delivery was also a factor in increased risk of stillbirth. Bahtiyar and his team decided to confirm the previ...

Alcohol's effects on gene expression in the central nervous system

... understand the complex neurobiological mechanisms underlying alcohol addiction. "Future research will need to determine changes in gene expression in very discrete neuronal pathways that may be involved in mediating the effects of alcohol that lead to addiction," he said. "Future studies will also require th...

Proteins link obesity, diabetes; May underlie systemic 'metabolic syndrome'

...ear to bridge metabolic and inflammatory responses underlying the syndrome, and might therefore offer a means to unlink these debilitating diseases."...

Open microfluidic and nanofluidic systems

...hnology requires a systematic understanding of the underlying physics. This latter constraint applies to all length scales: if one wanted to build a robot which walks over water, for instance, a human-like robot is a bad idea while a spider-like robot is a much better choice....

Epilepsy and depression - A two-way street?

..., another speaker at the meeting, also has studied underlying biological factors that may predispose some people to epilepsy and depression. Common pathways between depression and epilepsy might account for recent data suggesting that patients with a psychiatric history may not respond as well to medication o...

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(Date:10/18/2014)... suspected genetic conditions, a certain type of exome sequencing ... than traditional molecular diagnostic methods, according to a study ... released to coincide with the American Society of Human ... protein­coding region of the genome (the complete set of ... organism), has been rapidly applied in research settings and ...
(Date:10/17/2014)... release is available in German . ... of sperms every day in order to reproduce? And why ... the topic of the latest issue of the research journal ... The evolutionary biologist Steven Ramm from Bielefeld University Bielefeld has ... is not unusual for a female to copulate with several ...
(Date:10/17/2014)... To date, antidotes ... doctors are often limited to supportive therapy such as induced ... of drugs involved. So what can be done if a ... professor Jean-Christophe Leroux from the Institute of Pharmaceutical Sciences at ... "The task was to develop an agent that could eliminate ...
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