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The forkhead/winged-helix gene, Mf1, is necessary for the normal development of the cornea and formation of the anterior chamber in the mouse eye.

Publication ,  Journal Article
Kidson, SH; Kume, T; Deng, K; Winfrey, V; Hogan, BL
Published in: Dev Biol
July 15, 1999

Mf1, which encodes a winged-helix/forkhead transcription factor, is the murine homolog of human FKHL7, mutated in individuals with autosomal dominant inherited dysgenesis of the anterior segment of the eye (Axenfeld-Reiger anomaly). Mouse embryos homozygous for null mutations in Mf1 (Mf1(lacZ) and Mf1(ch)) show severely abnormal development of the anterior segment. The cornea fails to separate from the lens, resulting in the complete absence of an anterior chamber. There is no differentiation of the inner corneal endothelial layer, as judged by electron microscopy and by absence of labeling with monoclonal antibody to zonula occludens protein 1, a normal component of occluding junctions in wild-type endothelial cells. In addition, the mutant corneal stroma is disorganized and the epithelium thicker than normal. The Mf1 gene is normally expressed in the periocular mesenchyme at E11.5 but is downregulated as the corneal endothelium differentiates. In contrast, Mf1(lacZ) expression persists longer in mutant corneal mesenchyme, and abnormal expression is also seen in the mutant corneal epithelium. Based on classical studies with the chick embryonic eye, a model is proposed for the differentiation of the mammalian corneal endothelium from mesenchyme in response to putative signals from the lens. Possible roles for Mf1 in this process are discussed.

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Published In

Dev Biol

DOI

ISSN

0012-1606

Publication Date

July 15, 1999

Volume

211

Issue

2

Start / End Page

306 / 322

Location

United States

Related Subject Headings

  • Transcription Factors
  • Morphogenesis
  • Microscopy, Electron
  • Mice
  • Humans
  • Homozygote
  • Gene Expression Regulation, Developmental
  • Gene Deletion
  • Forkhead Transcription Factors
  • Eye
 

Citation

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Kidson, S. H., Kume, T., Deng, K., Winfrey, V., & Hogan, B. L. (1999). The forkhead/winged-helix gene, Mf1, is necessary for the normal development of the cornea and formation of the anterior chamber in the mouse eye. Dev Biol, 211(2), 306–322. https://doi.org/10.1006/dbio.1999.9314
Kidson, S. H., T. Kume, K. Deng, V. Winfrey, and B. L. Hogan. “The forkhead/winged-helix gene, Mf1, is necessary for the normal development of the cornea and formation of the anterior chamber in the mouse eye.Dev Biol 211, no. 2 (July 15, 1999): 306–22. https://doi.org/10.1006/dbio.1999.9314.
Kidson, S. H., et al. “The forkhead/winged-helix gene, Mf1, is necessary for the normal development of the cornea and formation of the anterior chamber in the mouse eye.Dev Biol, vol. 211, no. 2, July 1999, pp. 306–22. Pubmed, doi:10.1006/dbio.1999.9314.
Journal cover image

Published In

Dev Biol

DOI

ISSN

0012-1606

Publication Date

July 15, 1999

Volume

211

Issue

2

Start / End Page

306 / 322

Location

United States

Related Subject Headings

  • Transcription Factors
  • Morphogenesis
  • Microscopy, Electron
  • Mice
  • Humans
  • Homozygote
  • Gene Expression Regulation, Developmental
  • Gene Deletion
  • Forkhead Transcription Factors
  • Eye