Extracellular matrices of the developing chick retina and cornea: Localization of mRNAs for collagen types II and IX by in situ hybridization

T. F. Linsenmayer, E. Gibney, M. K. Gordon, J. K. Marchant, M. Hayashi, J. M. Fitch

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Abstract

In the embryonic avian eye, the vitreous and the primary corneal stroma are composed in part of collagen types II and IX. Previous biochemical and immunohistochemical studies have suggested that the production of these molecules changes dramatically during development. In the current investigation, we employed in situ hybridization to determine the temporospatial distribution of the messenger ribonucleic acids (mRNAs) for these collagens in the eyes of selected stages of chick embryos. Our observations suggest that through much of development, the ciliary region is the major source for the production of the collagens found within the vitreous. For the cornea, they confirm that both collagen mRNAs are indeed present, and suggest that each is independently regulated.

Original languageEnglish (US)
Pages (from-to)1271-1276
Number of pages6
JournalInvestigative Ophthalmology and Visual Science
Volume31
Issue number7
StatePublished - 1990
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

Keywords

  • ciliary body
  • corneal collagens
  • corneal epithelium
  • optic cup
  • vitreous collagens

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