Digitale Medien
Oxford, UK
:
Blackwell Science Ltd
European journal of neuroscience
12 (2000), S. 0
ISSN:
1460-9568
Quelle:
Blackwell Publishing Journal Backfiles 1879-2005
Thema:
Medizin
Notizen:
An understanding of developmental mechanisms and new cell therapies can be achieved by transplantation into the nervous system. Multipotential stem cells have been isolated from the foetal and adult central nervous system (CNS). Immortalized and primary precursor cells integrate into the developing brain generating both neurons and glia as defined by immunological and morphological criteria. Here we show for the first time that in vitro-expanded CNS precursors, upon transplantation into the brains of rats, form electrically active and functionally connected neurons. These neurons exhibit spontaneous and evoked postsynaptic events and respond to focal glutamate application. Donor cells were grafted into the foetal hippocampus, and the amplitude and frequency of spontaneous synaptic events were monitored in the grafted cells in area CA1 for the first month of postnatal life. The formation of synapses onto grafted neurons indicates that grafted CNS stem cells can be used to study synaptic development in vivo and has important implications for clinical cell replacement therapies.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1046/j.1460-9568.2000.00067.x
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