Both PCE-1/RX and OTX/CRX interactions are necessary for photoreceptor- specific gene expression

Aira Kimura, Dhirendra Singh, Eric F. Wawrousek, Masashi Kikuchi, Makoto Nakamura, Toshimichi Shinohara

Research output: Contribution to journalArticle

111 Citations (Scopus)

Abstract

RX, a homeodomain-containing protein essential for proper eye development (Mathers, P. H. Grinberg, A., Mahon, K. A., and Jamrich, M. (1997) Nature 387, 603607), binds to the photoreceptor conserved element-1 (PCE-1/Ret 1) in the photoreceptor cell-specific arrestin promoter and stimulates gene expression. RX is found in many retinal cell types including photoreceptor cells. Another homeodomain-containing protein, CRX, which binds to the OTX element to stimulate promoter activity, is found exclusively in photoreceptor cells (Chen, S., Wang, Q. L., Nie, Z., Sun, H., Lennon, G., Copeland, N. G., Gillbert, D. J. Jenkins, N. A., and Zack, D. J. (1997) Neuron 19, 1017-1030; Furukawa, T., Morrow, E. M., and Cepko, C. L. (1997) Cell 91, 531-541). Binding assay and cell culture studies indicate that both PCE-1 and OTX elements and at least two different regulatory factors RX and CRX are necessary for high level, photoreceptor cell-restricted gene expression. Thus, photoreceptor specificity can be achieved by multiple promoter elements interacting with a combination of both photoreceptor- specific regulatory factors and factors present in closely related cell lineages.

Original languageEnglish (US)
Pages (from-to)1152-1160
Number of pages9
JournalJournal of Biological Chemistry
Volume275
Issue number2
DOIs
StatePublished - Jan 14 2000

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Photoreceptor Cells
Gene expression
Arrestin
Homeodomain Proteins
Gene Expression
Cell culture
Sun
Neurons
Assays
Cells
Cell Lineage
Solar System
Proteins
Cell Culture Techniques
cone rod homeobox protein

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Both PCE-1/RX and OTX/CRX interactions are necessary for photoreceptor- specific gene expression. / Kimura, Aira; Singh, Dhirendra; Wawrousek, Eric F.; Kikuchi, Masashi; Nakamura, Makoto; Shinohara, Toshimichi.

In: Journal of Biological Chemistry, Vol. 275, No. 2, 14.01.2000, p. 1152-1160.

Research output: Contribution to journalArticle

Kimura, Aira ; Singh, Dhirendra ; Wawrousek, Eric F. ; Kikuchi, Masashi ; Nakamura, Makoto ; Shinohara, Toshimichi. / Both PCE-1/RX and OTX/CRX interactions are necessary for photoreceptor- specific gene expression. In: Journal of Biological Chemistry. 2000 ; Vol. 275, No. 2. pp. 1152-1160.
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