## Abstract We have previously described the isolation of a clonal pheochromocytoma cell line (PC‐G2) which responds to nerve growth factor (NGF) [Goodman and Herschman, 1978] and epidermal growth factor (EGF) [Goodman et al, 1980] with increased specific activity of tyrosine hydroxylase (TH). This
Regulation of neuroblast proliferation by hormones and growth factors in chemically defined medium
✍ Scribed by Doris K. Wu; Thomas Maciag; J. de Vellis
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 607 KB
- Volume
- 136
- Category
- Article
- ISSN
- 0021-9541
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✦ Synopsis
Pure neuronal cultures prepared from 6-day-old embryonic chick brains incorporated [3H1-thymidine in serum-free medium up to the 4th day in culture. The addition of insulin any time within this culture period caused an increase in thymidine incorporation. This increase in [3Hl-thymidine was correlated with an increase in cell number and percentage of labeling index. Triiodothyronine and endothelial cell growth factor were also active in stimulating [3H]-thymidine incorporation into chick neuroblasts. The effect of these trophic agents is unique since a variety of known mitogens tested were negative.
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