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Antidepressants stimulate new nerve cells in adult monkeys, may have implications for humans
05-04-2007 · EurekAlert!In adult monkeys, an antidepressant treatment has induced new nerve cell growth in the hippocampus, a brain area responsible for learning and memory. A similar process may occur in humans, the research suggests, and may help explain the effectiveness of antidepressant treatments.
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Keywords: antidepressants, stimulate, nerve, cells, adult, monkeys, implications, humans, antidepressant, cell, monkey, implication, human
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- Scientists produce neurons from human skin
02-22-2007 · EurekAlert!
Scientists from Université Laval's Faculty of Medicine have succeeded in producing neurons in vitro using stem cells extracted from adult human skin. This is the first time such an advanced state of nerve cell differentiation has been achieved from human skin, according to lead researcher Professor François Berthod. This breakthrough could eventually lead to revolutionary advances in the treatment of neurodegenerative illnesses such as Parkinson's disease.
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- Reprogrammed human adult stem cells rescue diseased muscle in mice
12-12-2007 · EurekAlert!
Scientists report that adult stem cells isolated from humans with muscular dystrophy can be genetically corrected and used to induce functional improvement when transplanted into a mouse model of the disease. The research, published by Cell Press in the December issue of Cell Stem Cell, represents a significant advance toward the future development of a gene therapy that uses a patient's own cells to treat this devastating muscle-wasting disease.
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- Simple recipe turns human skin cells into embryonic stem cell-like cells
11-20-2007 · EurekAlert!
A simple recipe -- including just four ingredients -- can transform adult human skin cells into cells that resemble embryonic stem cells, researchers report in an immediate early publication of the journal Cell, a publication of Cell Press. The converted cells have many of the physical, growth and genetic features typically found in embryonic stem cells and can differentiate to produce other tissue types, including neurons and heart tissue, according to the researchers.
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- Insight into neural stem cells has implications for designing therapies
07-05-2007 · EurekAlert!
Scientists have discovered that adult neural stem cells, which exist in the brain throughout life, are not a single, homogeneous group. Instead, they are a diverse group of cells, each capable of giving rise to specific types of neurons. The finding, the team says, significantly shifts the perspective on how these cells could be used to develop cell-based brain therapies.
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- Influenza: Insights into cell specificity of human vs. avian viruses
10-09-2007 · EurekAlert!
Researchers have identified which sites and cell types within the respiratory tract are targeted by human vs. avian influenza viruses, providing valuable insights into the pathogenesis of these divergent diseases. The report by van Riel et al, "Human and avian influenza viruses target different cells in the lower respiratory tract of humans and other mammals," appears in the October issue of the American Journal of Pathology, and is accompanied by a commentary and highlighted on the cover.
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- Widespread support for nonembryonic stem cell research, VCU Life Sciences Survey shows
12-19-2007 · EurekAlert!
The VCU Life Sciences Survey is the first poll to reflect the discovery reported internationally in November that human skin cells can be used to create stem cells or their near equivalents. When asked about the implications of this development, more than six in 10, or 63 percent, say that both embryonic and nonembryonic stem cell research is still needed, 22 percent say this development means embryonic stem cell research is no longer necessary.
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- Neuron cell stickiness may hold key to evolution of the human brain
11-02-2006 · EurekAlert!
The stickiness of human neurons may have been a key factor in why the human brain evolved beyond the brains of our primate relatives. In a study comparing the genomes of humans, chimpanzees and other vertebrates, researchers at the US Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and Joint Genome Institute (JGI) found a strikingly high degree of genetic differences in DNA sequences that appear to regulate genes involved in nerve cell adhesion molecules.
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- Human stem cells delay start of Lou Gehrig's disease in rats
10-15-2006 · EurekAlert!
Researchers at Johns Hopkins have shown that transplanting human stem cells into spinal cords of rats bred to duplicate Lou Gehrig's disease delays the start of nerve cell damage typical of the disease and slightly prolongs life. The grafted stem cells develop into nerve cells that make substantial connections with existing nerves and do not themselves succumb to Lou Gehrig's, also known as amyotrophic lateral sclerosis (ALS). The study is published in this week's issue of Transplantation.
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- Team of scientists develops non-invasive method to track nerve-cell development in live human brain
11-08-2007 · EurekAlert!
A team of scientists including researchers at Cold Spring Harbor Laboratory have identified and validated the first biomarker that permits neural stem and progenitor cells to be tracked, non-invasively, in the brains of living human subjects. This important advance could lead to significantly better diagnosis and monitoring of brain tumors and a range of serious neurological and psychiatric disorders.
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- Spread of endogenous retrovirus K is similar in the DNA of humans and rhesus monkeys
10-09-2007 · EurekAlert!
Research by Romano and colleagues, studying the population dynamics of complete copies of primate endogenous retrovirus family K in the genomes of humans, chimpanzee and rhesus monkey, revealed a surprising pattern. The paper, published on Oct. 10 in PLoS ONE, shows that human ERV-K had a similar demographic signature to that of the rhesus monkey, both differing greatly from that of the chimpanzee.
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