Neural transplantation therapies for Parkinson's and Huntington's diseases

Parkinson's and Huntington's diseases are progressive neurodegenerative dis orders of the central nervous system for which symptomatic but not curative therapies are available. Therapeutic strategies have been developed to try and repair the brain in these conditions, including the use of grafts of f oetal neural tissue. Here, we consider the merits of this approach and disc uss the extent to which neural transplantation has successfully been transl ated into clinical studies for these diseases.