Tag: "issue" at biology news

Potential for enhanced sequestration of carbon in soils supports evaluations

... National Laboratory describes in the October 2004 issue of BioScience an approach to assessing "promising" techniques for mitigating global warming caused by the greenhouse effect. According to Post's team, agriculturally based options for reducing net greenhouse gas emissions by increasing sequestration ...

Climate change plus human pressure caused large mammal extinctions in late Pleistocene

...at humans. But in a review appearing in the Oct. 1 issue of Science , Barnosky and his colleagues conclude that climate change also played a big role in driving these extinctions. Barnosky's colleagues in the study are Paul Koch, professor of earth sciences at UC Santa Cruz; Scott Wing, a paleobotanist in...

New study shows hope for treating inhalant abuse

...he study will be published in the December 1, 2004 issue of Synapse, available online September 30. Inhalant abuse or "huffing" continues to grow as a serious health problem: According to the National Institute on Drug Abuse, the number of new inhalant users increased from 627,000 in 1994 to 1.2 million in...

Researchers determine genetic cause of Timothy syndrome

...nd his colleagues reported in the October 1, 2004, issue of the journal Cell, that a pinpoint mutation in the CaV1.2 calcium channel was the sole cause of Timothy syndrome. Keating collaborated on the studies with researchers from Children's Hospital, Boston, Harvard Medical School, the University of Utah,...

UT Southwestern receives $1.78 million grant for obesity research as part of NIH Roadmap initiative

...n nutrition. "We're trying to get a handle on that issue from every aspect." Obesity is associated with many adverse health consequences such as cardiovascular disease, stroke, diabetes and non-alcoholic fatty liver disease. The number of U.S. deaths attributable to obesity annually is estimated at between...

Molecular motor implicated in tissue remodeling

...n St. Louis. Their discovery appears in the Oct. 1 issue of Science. The enzyme, MMP-1, is a member of a group of enzymes that breaks down collagen, a fibrous substance that constitutes the foundation of the extracellular matrix that supports the cells in the body's tissues. "By digesting collagen, enzyme...

Rare childhood genetic syndrome identified

...ing drugs. Findings are reported in the October 1 issue of the journal Cell . The disease, named Timothy syndrome after one of the paper's authors, is characterized by a variety of problems including heart arrhythmias, congenital heart abnormalities, webbed hands and feet, a weakened immune system, cogni...

Chemical derived from vitamin-E shows early promise as cancer drug

... The findings will be published in the October issue of Experimental Biology and Medicine. They result from studies involving treatment of genetically identical mice, which were given the novel vitamin E compound either orally or by aerosol. Based on earlier, similar findings by Kline and colleague...

Scientists sequence genome of kind of organism central to biosphere's carbon cycle

...nd lead author of a research article in the Oct. 1 issue of Science . Together, these single-celled organisms generate as much as 40 percent of the 50 billion to 55 billion tons of organic carbon produced each year in the sea, and in the process use carbon dioxide and produce oxygen. And they are an impor...

AAAS US Presidential Candidates' Forum

... of American Scientists. In the 16 September 2004 issue of Science Express, the online publication of the ...df Both items are available in the 1 October 2004 issue of Science. Robert Walker and Henry Kelly will continue the debate over controversial scientific iss...

Alzheimer's disease is not accelerated aging

...eview article published in the September 30, 2004, issue of Neuron, that points out recurring distinctions .... A paper published in the September 15, 2004, issue of Cerebral Cortex by Buckner and colleagues adds more evidence to the argument that some age-associ...

Plants will not save us from greenhouse gases

...ect. Their findings, published in the September 30 issue of Nature , suggest changing conditions in the earth's atmosphere may have more harmful effects on plant life than previously believed. The research, led by McGill University biologist Graham Bell, looked at the response of algae to high carbon diox...

New molecular link key to cellular proteins involved in cancer progression, other diseases

...ncer Center. The new findings appear in the online issue of the journal Nature and will be published in print in October. Within the cell nucleus, DNA is wrapped tightly around nucleosomes, globular structures composed of four abundant proteins called histones, Zhang said. "Histone proteins, including H2A,...

Cancer vaccine based on pathogenic listeria bacteria shows promise targeting metastases

...of mice. The mouse study, reported in the Sept. 21 issue of the journal Proceedings of the National Academy of Sciences by scientists at Cerus Corp. in Concord, Calif., employs a genetically engineered listeria bacteria based on a strain created by coauthor and University of California, Berkeley, microbi...

'Most recent common ancestor' of all living humans surprisingly recent

New Haven, Conn. -- In this week's issue of Nature , a Yale mathematician presents models showing that the most recent person who was a direct ancestor of all humans currently alive may have lived just a few thousand years ago. "While we may not all be 'brothers,' the models suggest we a...

Genetic differences might help distinguish thyroid cancers

...o diseases. The study is published in the a recent issue of the Journal of Clinical Oncology. "This finding suggests a potentially very useful diagnostic aid in those rare instances where the pathologist cannot distinguish between FTC and PTC," says study leader Charis Eng, the Dorothy E. Klotz Chair of...

New Arizona State center brings science to policy on issues of water resources and urban growth

...to play as we focus on this increasingly important issue of sustainability in arid regions. We know that growth in areas such as ours is exacerbating the impact of existing drought conditions, making decisions on growth and sustainability critically important to this region and others like it." Crow is ...

Cardiac arrest may hinder ability to learn certain tasks

...owing an attack." The study appears in a recent issue of the European Journal of Neuroscience. Mice were put into two groups one group underwent surgically induced heart attacks, while the other group, the control group, underwent the same surgical procedure minus the attack. Mice in the heart attac...

Researchers identify protein promoting vascular tumor growth

...ssed. The results are published in the October issue of the American Journal of Physiology (Cell). Blood vessel tumors affect up to 3 percent of all children, typically resulting in a prominent red mass on the head and neck. Up to one in four patients with hemangioendotheliomas, or HEs, the type of ...

Gene clusters predict atherosclerosis severity, susceptibility

...search are scheduled to appear in the October 2004 issue of the journal Arteriorsclerosis, Thrombosis and Vascular Biology and are published early on-line at http://atvb.ahajournals.org . "In a complex disorder like atherosclerosis, it is not likely that only one gene is involved, but many different on...

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