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Dramatic improvement in Parkinson disease symptoms following intranasal delivery of stem cells to rat brains

Date:
February 9, 2011
Source:
Mary Ann Liebert, Inc., Publishers
Summary:
Successful intranasal delivery of stem cells to the brains of rats with Parkinson disease yielded significant improvement in motor function and reversed the dopamine deficiency characteristic of the disease. The promising findings highlight the potential for a noninvasive approach to cell therapy delivery in Parkinson disease -- a safer and effective alternative to surgical transplantation of stem cells.

Successful intranasal delivery of stem cells to the brains of rats with Parkinson disease yielded significant improvement in motor function and reversed the dopamine deficiency characteristic of the disease.

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The promising findings, reported in Rejuvenation Research, a peer-reviewed journal published by Mary Ann Liebert, Inc. highlight the potential for a noninvasive approach to cell therapy delivery in Parkinson disease-a safer and effective alternative to surgical transplantation of stem cells.

In this groundbreaking study, mesenchymal stem cells (MSCs) delivered via the nose preferentially migrated to the brain and were able to survive for at least 6 months. Substantial improvement in motor function -- up to 68% of normal -- was reported in the MSC-treated rat model of Parkinson disease. Levels of the neurotransmitter dopamine were significantly higher in affected rat brain regions exposed to MSCs compared to the non-treated brain regions, reported Lusine Danielyan and an international team of researchers from University Hospital of Tübingen, University of Göttingen Medical School, and University of Tübingen (Stuttgart, Germany; HealthPartners Research Foundation, St. Paul, MN; German University in Cairo, Egypt; Harvard University, Cambridge, MA; Institute of Molecular Biology NAS RA, Yerevan, Armenia; and Geneva University Hospital, Switzerland.

The authors explain that intranasal delivery of MSCs avoids the tissue trauma and related inflammation and brain swelling associated with surgical implantation of therapeutic stem cells. Importantly, this noninvasive delivery method would also make it possible to provide repeated stem cell treatments over time.


Story Source:

The above story is based on materials provided by Mary Ann Liebert, Inc., Publishers. Note: Materials may be edited for content and length.


Journal Reference:

  1. Lusine Danielyan, Richard Schäfer, Andreas von Ameln-Mayerhofer, Felix Bernhard, Stephan Verleysdonk, Marine Buadze, Ali Lourhmati, Tim Klopfer, Felix Schaumann, Barbara Schmid, Christoph Koehle, Barbara Proksch, Robert Weissert, Holger M. Reichardt, Jens van den Brandt, Gayane H. Buniatian, Matthias Schwab, Christoph H. Gleiter, William H. Frey Ii. Therapeutic Efficacy of Intranasally Delivered Mesenchymal Stem Cells in a Rat Model of Parkinson Disease. Rejuvenation Research, 2011; 110203071223079 DOI: 10.1089/rej.2010.1130

Cite This Page:

Mary Ann Liebert, Inc., Publishers. "Dramatic improvement in Parkinson disease symptoms following intranasal delivery of stem cells to rat brains." ScienceDaily. ScienceDaily, 9 February 2011. <www.sciencedaily.com/releases/2011/02/110208163504.htm>.
Mary Ann Liebert, Inc., Publishers. (2011, February 9). Dramatic improvement in Parkinson disease symptoms following intranasal delivery of stem cells to rat brains. ScienceDaily. Retrieved October 30, 2014 from www.sciencedaily.com/releases/2011/02/110208163504.htm
Mary Ann Liebert, Inc., Publishers. "Dramatic improvement in Parkinson disease symptoms following intranasal delivery of stem cells to rat brains." ScienceDaily. www.sciencedaily.com/releases/2011/02/110208163504.htm (accessed October 30, 2014).

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