Tag: "demonstrating" at biology news

Israeli teams grows heart cells and insulin producing cells from human embryonic stem cells

...The cells passed all the tests with flying colors, demonstrating that they are indeed early-stage cardiomyocytes. It seems likely that if placed in an adult human heart, these cells would produce mature human heart muscle cells, Gepstein says. The next step in moving towards clinical applications, such as injecti...

Exercise effects dependent on time of day

...er times of day. "Our study covers new ground, demonstrating variation in the effects of exercise at four different times of day, with circadian time precisely quantified, with a practical duration of exercise, and with a high intensity designed to elicit maximal effects" said Buxton....

Scientists: nutritional deficiency can boost influenza virus damage

...d effect." The new work lays the groundwork for demonstrating that a specific deficiency in a specific nutritional requirement can affect the immune system and then affect viral infections, Beck said. It helps pinpoint how the deficiency matters. "Since we know that selenium is involved as an anti-oxidant, we ...

Introgen publishes preclinical findings demonstrating the potent anti-tumor properties of INGN 241 study featured on the cover of Molecular Medicine

...studies in the current issue of Molecular Medicine demonstrating the potent anti-tumor effects of INGN 241 (an adenoviral vector encoding the mda-7 gene) in three of the most prevalent human cancers, breast, lung and colorectal. The study also demonstrates, for the first time, that MDA-7 protein is released from...

Amphibian mortality linked to global climate change

...tanding biological systems, while at the same time demonstrating that there may be simple rules for understanding this complexity. "Our results indicate that interpreting the impacts of global climate change will require a detailed mechanistic understanding of local natural history coupled with long-term data tha...

Amphibian mortality linked to climate change

...ly linked to climate change, a new study suggests, demonstrating both the importance of large-scale global trends and the complexity of their impact on individual species. The report by scientists from Oregon State University and Pennsylvania State University will be published Thursday in the journal Nature. It ...

"Soft" science? Fat's health impacts are often oversimplified, Science news feature contends

...ch fat was bad for health might actually have been demonstrating that a lack of fruits and vegetables was the culprit. A new generation of pharmaceuticals do "reduce serum cholesterol levels dramatically, and they prevent heart attacks," according to Taubes.Bu t, the notion that eating less fat contributes to a he...

European Parliament calls for action in epilepsy

...e Paper on Epilepsy.' John Bowis continues:'I am demonstrating my personal commitment by setting up 'Parliamentary Advocates for Epilepsy' a group of key MEPs specifically dedicated to bringing epilepsy to the forefront of parliamentary health issues, campaigning to improve existing legislation - particularly w...

New $35.5 million center for mind, brain and learning created at UW

...en learn more quickly and efficiently than adults, demonstrating "windows of opportunity" for learning. Scientists will look at the brain mechanisms underlying the opening and closing of these windows. Increased knowledge of brain plasticity and mechanisms of change has profound long-range potential for lifelong ...

Millennium's LDP(PS)-341 inhibits growth and induces death of cancer cells, appears to overcome chemotherapy resistance

...entation of preclinical and clinical study results demonstrating that an investigational proteasome inhibitor, LDP-341 (formerly PS-341), the first in a new class of anti-cancer agents, is active against multiple myeloma. The latest findings were presented at the 42nd Annual Meeting of the American Society of Hem...

Auxin takes root

.... Finally, NAC1 was linked to the auxin pathway by demonstrating that NAC1 is regulated by auxin, and that the effect of auxin on root formation is mediated by NAC1. NAC1 can even compensate for the lack of another gene, tir1, which has previously been established as a mediator of auxin signaling. This is the firs...

Finding a market for 'ecosystem services'

... the investment was worthwhile, Thompson noted, by demonstrating the cost-effectiveness of acquiring and protecting watershed land north of the city. Since then, he said, New Yorkers have gained a better understanding of other services provided by watershed conservation, such as the protection of wildlife habitat....

Household exposure to passive smoke depletes some vitamins in non-smokers

...active smoking. Though the data were conclusive in demonstrating that the passive smokers were nutrient-depleted, further studies which additionally assess dietary intake of the subjects will be needed to determine whether depletion of antioxidants is due to smoke exposure, shared inadequate diets, or both. Th...

Scientists launch the worlds first marine life census

...n Pacific Grove, Calif., to design a pilot project demonstrating the feasibility of tracking thousands of sea creatures in the northern Pacific with the use of sophisticated electronic sensors.This unprecedented effort is a major component of the Census of Marine Life a 10-year program to assess the distribution ...

Researchers establish formula for predicting predator-prey populations

...lations interact. They've had difficulty, however, demonstrating that such predictions reflect reality for species more complex than single-celled organisms. Now, a team of scientists from Cornell University and North Carolina State University has done exactly that. Their laboratory research on the population int...

¡Ciao! down: Mediterranean diet after a heart attack adds years to life

...cornerstone of heart health, there is limited data demonstrating the amount of benefit for individuals who have had a heart attack, says Roberto Marchioli, M.D., co-coordinator of the GISSI-Prevenzione Study at the department of clinical pharmacology and epidemiology of Consorzio Mario Negri Sud, Santa Maria Imbar...

Gene therapy shown to protect and reverse the debilitating effects of Parkinson's disease in pre-clinical studies

... High levels of GDNF were found in these animals, demonstrating long-term gene expression using this delivery system. "The study suggests a new approach to forestall disease progression in newly diagnosed Parkinson's disease patients by delivering potent trophic factors with effects that are long-term and non-t...

Studies at UNC plumb tumor resistance to treatment

...g to investigate this," Varia said. "What we're demonstrating here is a valuable approach to studying the mechanisms of hypoxia-associated poor prognosis," Varia added. "We're very interested in the translational aspect, taking findings from the laboratory into the clinic. And we appreciate the patients' partic...

New obesity treatment program to sustain weight loss, UCSF study finds

... has intensified scientific interest in treatments demonstrating long term effectiveness, Mellin said. According to that report, obesity causes an estimated 280,000 deaths annually and diseases associated with overweight account for 6.8 percent of U.S. health care costs. The intervention, called the Solution Metho...

Effect of exercise on reducing major depression appears to be long-lasting

DURHAM, N.C. After demonstrating that 30 minutes of brisk exercise three times a week is just as effective as drug therapy in relieving the symptoms of major depression in the short term, Duke University Medical Center researchers have now shown that continued exercise greatly reduc...

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