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Aplan PD, Begley CG, Bertness V, et al. The SCL gene is formed from a transcriptionally complex locus. Mol Cell Biol. 1990;10(12):6426-35doi: 10.1128/mcb.10.12.6426-6435.1990.
Aplan, P. D., Begley, C. G., Bertness, V., Nussmeier, M., Ezquerra, A., Coligan, J., & Kirsch, I. R. (1990). The SCL gene is formed from a transcriptionally complex locus. Molecular and cellular biology, 10(12), 6426-35. https://doi.org/10.1128/mcb.10.12.6426-6435.1990
Aplan, P D, et al. "The SCL gene is formed from a transcriptionally complex locus." Molecular and cellular biology vol. 10,12 (1990): 6426-35. doi: https://doi.org/10.1128/mcb.10.12.6426-6435.1990
Aplan PD, Begley CG, Bertness V, Nussmeier M, Ezquerra A, Coligan J, Kirsch IR. The SCL gene is formed from a transcriptionally complex locus. Mol Cell Biol. 1990 Dec;10(12):6426-35. doi: 10.1128/mcb.10.12.6426-6435.1990. PMID: 2247063; PMCID: PMC362919.
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Mol Cell Biol. 1990 Dec;10(12):6426-35. doi: 10.1128/mcb.10.12.6426-6435.1990.

The SCL gene is formed from a transcriptionally complex locus.

Molecular and cellular biology

P D Aplan, C G Begley, V Bertness, M Nussmeier, A Ezquerra, J Coligan, I R Kirsch

Affiliations

  1. Navy Medical Branch, National Cancer Institute, Bethesda, Maryland 20814.

PMID: 2247063 PMCID: PMC362919 DOI: 10.1128/mcb.10.12.6426-6435.1990
Free PMC Article

Abstract

We describe the structural organization of the human SCL gene, a helix-loop-helix family member which we believe plays a fundamental role in hematopoietic differentiation. The SCL locus is composed of eight exons distributed over 16 kb. SCL shows a pattern of expression quite restricted to early hematopoietic tissues, although in malignant states expression of the gene may be somewhat extended into later developmental stages. A detailed analysis of the transcript(s) arising from the SCL locus revealed that (i) the 5' noncoding portion of the SCL transcript, which resides within a CpG island, has a complex pattern of alternative exon utilization as well as two distinct transcription initiation sites; (ii) the 5' portions of the SCL transcript contain features that suggest a possible regulatory role for these segments; (iii) the pattern of utilization of the 5' exons is cell lineage dependent; and (iv) all of the currently studied chromosomal aberrations that affect the SCL locus either structurally or functionally eliminate the normal 5' transcription initiation sites. These data suggest that the SCL gene, and specifically its 5' region, may be a target for regulatory interactions during early hematopoietic development.

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