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Related Experiment Videos

Leukocytes and experimental corneal vascularization

J A Eliason

    Investigative Ophthalmology & Visual Science
    |November 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Corneal burns trigger blood vessel growth even without white blood cells. This suggests the corneal epithelium may release a substance that stimulates new vessel formation.

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    Area of Science:

    • Ophthalmology
    • Vascular Biology
    • Wound Healing

    Background:

    • Corneal injuries can lead to neovascularization.
    • The role of inflammatory cells in corneal vascularization is not fully understood.

    Purpose of the Study:

    • To investigate corneal neovascularization in the absence of white blood cells.
    • To determine if inflammatory cells are essential for blood vessel growth into the cornea following injury.

    Main Methods:

    • Comparison of corneal vascularization in normal rabbits versus X-irradiated (leukopenic) rabbits after injury.
    • Histological examination of corneal tissue to assess infiltrating cells and neovascularization.

    Main Results:

    • New blood vessels formed in both control and leukopenic rabbits by day four post-injury.

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  • Histology revealed no infiltrating inflammatory cells in leukopenic animals' corneas.
  • Corneal vascularization occurred despite the absence of inflammatory cells.

    • Conclusions:

    • The cornea can undergo vascularization in response to injury without inflammatory cell infiltration.
    • The corneal epithelium is a potential source of vasostimulatory substances driving neovascularization.