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Martin DM, Yee D, Carlson RO, et al. Gene expression of the insulin-like growth factors and their receptors in human neuroblastoma cell lines. Brain Res Mol Brain Res. 1992;15(3):241-6doi: 10.1016/0169-328x(92)90114-q.
Martin, D. M., Yee, D., Carlson, R. O., & Feldman, E. L. (1992). Gene expression of the insulin-like growth factors and their receptors in human neuroblastoma cell lines. Brain research. Molecular brain research, 15(3), 241-6. https://doi.org/10.1016/0169-328x(92)90114-q
Martin, D M, et al. "Gene expression of the insulin-like growth factors and their receptors in human neuroblastoma cell lines." Brain research. Molecular brain research vol. 15,3 (1992): 241-6. doi: https://doi.org/10.1016/0169-328x(92)90114-q
Martin DM, Yee D, Carlson RO, Feldman EL. Gene expression of the insulin-like growth factors and their receptors in human neuroblastoma cell lines. Brain Res Mol Brain Res. 1992 Oct;15(3):241-6. doi: 10.1016/0169-328x(92)90114-q. PMID: 1331680.
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Brain Res Mol Brain Res. 1992 Oct;15(3):241-6. doi: 10.1016/0169-328x(92)90114-q.

Gene expression of the insulin-like growth factors and their receptors in human neuroblastoma cell lines.

Brain research. Molecular brain research

D M Martin, D Yee, R O Carlson, E L Feldman

Affiliations

  1. Department of Neurology, University of Michigan, Ann Arbor 48109.

PMID: 1331680 DOI: 10.1016/0169-328x(92)90114-q

Abstract

Insulin-like growth factors (IGF) I and II are polypeptides with both growth-promoting and insulin-like metabolic effects. The developmentally specific expression of IGF I and II in the nervous system implies a role for these growth factors in neuronal growth and differentiation. In the present study, we analyzed IGF and IGF receptor mRNA transcripts from two related human neuroblastoma cell lines, SH-SY5Y and SK-N-SH. These cell lines provide a good in vitro model of neuronal development. Northern analysis of total RNA from each cell line revealed three IGF II mRNA transcripts (6.0, 4.8, and 1.8 kb), and one mRNA transcript each for the type I (11.0 kb) and type II (9.4 kb) IGF receptors. The size distribution of these multiple transcripts is similar to that found during normal human fetal development. These results establish both cell lines as good in vitro models for investigating the mechanisms which underly IGF gene expression during nervous system development.

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