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Keyword: nervecells

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  • Stem cells rescue nerve cells by direct contact

    02/01/2010 2:44:06 PM PST · by decimon · 4 replies · 290+ views
    Karolinska Institutet ^ | Feb 1, 2010 | Unknown
    Scientists at the Swedish medical university Karolinska Institutet have shown how transplanted stem cells can connect with and rescue threatened neurons and brain tissue. The results point the way to new possible treatments for brain damage and neurodegenerative diseases. A possible strategy for treating neurodegenerative diseases is to transplant stem cells into the brain that prevent existing nerve cells from dying. The method has proved successful in different models, but the mechanisms behind it are still unknown. According to one hypothesis, the stem cells mature into fully-mature neurons that communicate with the threatened brain tissue; according to another, the stem...
  • Alternative to stem cells for treating chronic brain diseases

    08/03/2007 5:02:02 PM PDT · by Coleus · 1 replies · 160+ views
    Huliq.com ^ | 07.30.07
    With ethical issues concerning use of discarded embryos and technical problems hindering development of stem cell therapies, scientists in Korea are reporting the first successful use of a drug-like molecule to transform human muscle cells into nerve cells.  Their report, scheduled for the August 8 issue of the Journal of the American Chemical Society, a weekly journal, states that the advance could lead to new treatments for stroke, Alzheimer’s disease, Parkinson’s disease and other neurological disorders. In the study, Injae Shin and colleagues point out that stem cell research shows promise for repairing or replacing damaged nerve cells to treat...
  • Researchers find reserve cells in nose

    05/10/2007 6:09:40 PM PDT · by Coleus · 85+ views
    Examiner ^ | 05.09.07 | Karl B. Hille
    Old paint cans, dry cleaner solvents, new car smell and other toxic chemicals you might catch a whiff of do more than warn you of danger — they can kill the cells in your nose that raise the alarm. Johns Hopkins University researchers identified a backup supply of stem cells that can repair the most severe damage to nerves responsible for the sense of smell. These “reservists” normally lie around and do nothing, but when neighboring cells die, they jump into action. A report on the discovery is available on Nature Neuroscience’s Web site. “We’re particularly interested in the nerve...
  • New nerve cells in diseased brain

    01/02/2007 6:55:39 PM PST · by Coleus · 1 replies · 324+ views
    Nerve cells generated from stem cells in an adult, diseased, and damaged brain function as normal nerve cells. This has been shown at Lund University in Sweden in a new study published in the prestigious journal Neuron. The new nerve cells also seem to have a positive function, namely, to counteract the disease in the brain. Until the middle of the 1990s researchers believed that new nerve cells could not be generated in the adult brain. Then it was found to be possible, and that new nerve cells are formed not only in healthy brains but also in brains affected...
  • Stem Cells Found in Adult Skin Can be Transplanted and Function in Mouse Models of Disease

    06/14/2006 1:32:33 PM PDT · by LibWhacker · 4 replies · 342+ views
    Bio.com ^ | 6/14/06
    06/14/06 -- Researchers at The Hospital for Sick Children (SickKids) and the University of Calgary have found that stem cells derived from adult skin can create neural cell types that can be transplanted into and function in mouse models of disease. This research is reported in the June 14, 2006 issue of The Journal of Neuroscience. SickKids researchers previously discovered what type of cells can be made from these stem cells (called skin-derived precursors, or SKPs) based on the role played by neural-crest stem cells during embryogenesis. In addition to generating the peripheral nervous system, neural crest stem cells generate...
  • Stem Cells From Mice Hair Follicles May Prove Useful

    03/29/2005 5:03:52 PM PST · by neverdem · 12 replies · 350+ views
    The Washington Post ^ | March 29, 2005 | From News Services
    FINDINGS Stem cells found in hair follicles of mice can develop into nerve cells and might be useful in medical treatment, researchers said yesterday. They found that stem cells taken from the follicles of mouse whiskers matured into neurons and other neural cells known as astrocytes and oligodendrocytes, as well as into skin cells, smooth muscle cells, and pigment-producing cells called melanocytes. The finding, published in the Proceedings of the National Academy of Sciences, offers another potential source of master cells, which scientists hope may provide new tissue and organs for transplants. Robert Hoffman at AntiCancer Inc. in San Diego...
  • Growing Nerve Cells

    03/16/2006 1:51:52 PM PST · by Coleus · 35 replies · 722+ views
    Video (movie will open in a separate window)Choose your format: Quicktime Realmedia Plan on wearing green this St. Patrick's Day? Bet you can't top a mouse with green skin. As this ScienCentral News video explains, this mouse is green for a very serious reason. It's invaluable to researchers learning how to grow nerve cells. Knitting New NeuronsEven for scientists, it's not every day you see a hairless mouse glowing bright green under a fluorescent light. And for scientists searching for stem cells that could grow into nerve or brain cells, seeing such a mouse meant finding a possible whole...
  • New Findings Support Promise of Using Stem Cells to Treat Neurodegenerative Diseases

    05/02/2006 12:52:15 PM PDT · by Coleus · 14 replies · 537+ views
    The results of a study published in the April issue of Stem Cells and Development suggest that human stem cells derived from bone marrow are predisposed to develop into a variety of nerve cell types, supporting the promise of developing stem cell-based therapies to treat neurodegenerative disorders such as Parkinson's disease and multiple sclerosis. Stem Cells and Development is a peer-reviewed journal published by Mary Ann Liebert, Inc. (www.liebertpub.com  ). The paper, entitled "Human Mesenchymal Stem Cells Express Neural Genes, Suggesting a Neural Predisposition," is available free online at www.liebertpub.com/scd.  These surprising results lend a new perspective to stem cell...