The negative clinical results seen after retinal cell transplantation in patients with Parkinson disease highlight the importance of understanding the mechanisms by which a graft can improve neurological function. Scientific and safety issues must be thoroughly addressed before any cell transplantation approach can progress as a therapy for neurological diseases.
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Cenci, M., Widner, H. Poor results for retinal cell transplants in Parkinson disease. Nat Rev Neurol 7, 424–425 (2011). https://doi.org/10.1038/nrneurol.2011.111
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DOI: https://doi.org/10.1038/nrneurol.2011.111
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