The subcellular localization of OTX2 is cell-type specific and developmentally regulated in the mouse retina

D. Baas, K. M. Bumsted, J. A. Martinez, F. M. Vaccarino, K. C. Wikler, Colin Barnstable

Research output: Contribution to journalArticle

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Abstract

Recent evidence implicates homeodomain-containing proteins in the specification of cell fates in the central nervous system. Here we report that in the embryonic mouse eye Otx2, a paired homeodomain transcription factor, was found in retinal pigment epithelial cells and a restricted subset of retinal neurons, including ganglion cells. In the postnatal and adult eye, however, both the cellular and subcellular distribution of the Otx2 protein were cell type-specific. Otx2 was detected only in the nuclei of retinal pigment epithelial and bipolar cells, but was present in the cytoplasm of rod photoreceptors. Immunohistochemical studies of retinal explants and transfected cell lines both suggested that the retention of Otx2 in the cytoplasm of immature rods is a developmentally regulated process. The differential distribution of Otx2 in the cytoplasm of rods and the nucleus of other cell types, suggests that subcellular localization of this transcription factor may participate cell fate determination during specific phases of retinal development. Theme: Development and regeneration. Topic: Cell lineage and determination. Copyright (C) 2000 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)26-37
Number of pages12
JournalMolecular Brain Research
Volume78
Issue number1-2
DOIs
StatePublished - May 31 2000

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Retina
Cytoplasm
Retinal Pigments
Transcription Factors
Epithelial Cells
Retinal Neurons
Retinal Rod Photoreceptor Cells
Homeodomain Proteins
Cell Lineage
Cell Nucleus
Ganglia
Regeneration
Central Nervous System
Cell Line
Proteins

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cellular and Molecular Neuroscience

Cite this

Baas, D. ; Bumsted, K. M. ; Martinez, J. A. ; Vaccarino, F. M. ; Wikler, K. C. ; Barnstable, Colin. / The subcellular localization of OTX2 is cell-type specific and developmentally regulated in the mouse retina. In: Molecular Brain Research. 2000 ; Vol. 78, No. 1-2. pp. 26-37.
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The subcellular localization of OTX2 is cell-type specific and developmentally regulated in the mouse retina. / Baas, D.; Bumsted, K. M.; Martinez, J. A.; Vaccarino, F. M.; Wikler, K. C.; Barnstable, Colin.

In: Molecular Brain Research, Vol. 78, No. 1-2, 31.05.2000, p. 26-37.

Research output: Contribution to journalArticle

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