Abstract
Various proteases have been found to be released by the growth cones of developing neurons in culture and have been hypothesized to play a role in the process of axon elongation. We report here that nerve growth factor (NGF) induced the gene encoding the metalloprotease transin in PC12 cells with a time course coincident with the initial appearance of neurites by these cells. Acidic and basic fibroblast growth factors also stimulated transin mRNA expression and neurite outgrowth, whereas various other agents had no effects on either of these phenomena. In contrast, dexamethasone was found to inhibit the induction of transin mRNA when added with, or following, NGF treatment. Finally, we show that sequences contained within 750 by of the 5′ untranscribed region of the transin gene confer responsiveness to NGF and dexamethasone.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1587-1596 |
| Number of pages | 10 |
| Journal | Neuron |
| Volume | 2 |
| Issue number | 6 |
| DOIs | |
| State | Published - Jun 1989 |
Funding
The duthors wl,h to thank Dr. J.-P Julien for his gift of the NF-M plasmid, Dr. J Douglass for his gift of the cyclophilln plasmid, Dr. L. Baizer for his gift of NGF. Dr. R. Nishi for her helpful suggestions in the preliminary stages of this project, and Dr. K. Stocker for her critical reading of the manuscript. This work was supported by NIH grants to L. M (CA 48643). B. E. M. (CA 39360 and CA 47404). and G. C. (DE 07625 and NS23883) and by an NIH training grant stipend to C. M. M. (HDO 7133-10).
| Funders | Funder number |
|---|---|
| Author National Institutes of Health National Institutes of Health National Institutes of Health National Institutes of Health The Bev Hartig Huntington's Disease Foundation National Institutes of Health | DE 07625, HDO 7133-10, NS23883 |
| National Institute of Health-National Cancer Institute | R01CA048643 |
ASJC Scopus subject areas
- General Neuroscience
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