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Nerve growth factor induces adrenergic neuronal differentiation in F9 teratocarcinoma cells.
Teratocarcinoma cells have been used as a model to study differentiation and development in vertebrates. Treatment with retinoic acid (RA) and dibutyryl cyclic AMP can in some embryonal carcinoma (EC) cell lines lead to neural differentiation, as judged by neurofilament expression and by the induction of enzymes involved in cholinergic transmission. Short-term culture of F9 line cells with RA and dibutyryl cyclic AMP results in a biochemically demonstrable rise in acetylcholinesterase (AChE) activity. We now report that long-term culture of F9 cells with RA and dibutyryl cyclic AMP induces neurofilament expression, demonstrated by immunofluorescence with specific antibodies. Furthermore, if nerve growth factor (NGF) is also added, the developing neurone-like cells exhibit immunoreactivity to tyrosine hydroxylase, a rate-limiting enzyme of catecholamine synthesis specific for adrenergic neurones. Immunoreactivity for Leu-enkephalin-like peptides is also induced. These results suggest that F9 cells can differentiate into cells with adrenergic characteristics.[1]References
- Nerve growth factor induces adrenergic neuronal differentiation in F9 teratocarcinoma cells. Liesi, P., Rechardt, L., Wartiovaara, J. Nature (1983) [Pubmed]
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