Assertion: neuroepithelium's cell | /r/HasProperty | demonstrated source of lif
Facets:
value: in the cns
type: LOCATION
Source sentences:
text: As endothelial cells are a demonstrated source of LIF in the CNS and can induce astrocyte differentiation in cultured rat optic nerve precursors (Mi et al. 2001), it is possible that blood vessels are also important for triggering astrocyte development.