| 摘要 |
The present invention discloses a method for the in vitro proliferation of a neural stem cell culture, which method excludes the proliferation of human embryonic stem cells, said method comprising the steps of: (a) culturing a cell suspension containing one or more multipotent neural stem cells capable of producing progeny that are capable of differentiating into neurons and glia in a culture medium containing at least one proliferation-inducing growth factor to proliferate the neural stem cells to generate a neural stem cell culture; and (b) passaging the cell culture in (a) by treating the culture with an amount of a collagenase preparation effective to dissociate the cells in the culture and passing the cell culture to a culture medium containing at least one proliferation-inducing growth factor to further proliferate the neural stem cell culture. <IMAGE>
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