Glucocorticoids suppress corneal lymphangiogenesis

Maria M. Steele, Philip M. Kelley, Amanda M. Schieler, Richard M Tempero

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

PURPOSE:: To determine whether glucocorticoids suppress corneal lymphatic vessel growth (lymphangiogenesis) or induce lymphatic vessel regression. METHODS:: We measured human lymphatic endothelial cell proliferation and collagen-induced tubulogenesis in culture conditions with and without dexamethasone, a potent glucocorticoid. We developed a modification of the mouse corneal suture model that allowed us to visualize lymphatic vessel growth (with suture) or regression (suture removed) using immunofluorescence and microscopic techniques. We administered dexamethasone or vehicle control to mice with sutured corneas. We visualized and quantified the corneal lymphatic vessels. We measured vascular endothelial growth factor-C and tumor necrosis factor-α messenger RNA expression in unsutured or sutured corneas using quantitative reverse transcriptase-polymerase chain reaction. RESULTS:: High-dose dexamethasone did not change the proliferation or tubulogenesis properties of human lymphatic endothelial cells in vitro. We demonstrated suppressed corneal lymphatic vessel growth rather than lymphatic vessel regression in mice treated with dexamethasone. Expressions of corneal vascular endothelial growth factor-C and tumor necrosis factor-α messenger RNA were similar in mice treated with or without dexamethasone. CONCLUSIONS:: Dexamethasone suppressed new lymphatic vessel growth and did not induce lymphatic vessel regression. These findings identify a novel mechanism of glucocorticoid action: suppression of corneal lymphangiogenesis.

Original languageEnglish (US)
Pages (from-to)1442-1447
Number of pages6
JournalCornea
Volume30
Issue number12
DOIs
StatePublished - Dec 1 2011

Fingerprint

Lymphangiogenesis
Lymphatic Vessels
Glucocorticoids
Dexamethasone
Sutures
Vascular Endothelial Growth Factor C
Growth
Cornea
Endothelial Cells
Tumor Necrosis Factor-alpha
Messenger RNA
Reverse Transcriptase Polymerase Chain Reaction
Fluorescent Antibody Technique
Collagen
Cell Proliferation

Keywords

  • cornea
  • glucocorticoid
  • inflammatio
  • lymphangiogenesis

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Glucocorticoids suppress corneal lymphangiogenesis. / Steele, Maria M.; Kelley, Philip M.; Schieler, Amanda M.; Tempero, Richard M.

In: Cornea, Vol. 30, No. 12, 01.12.2011, p. 1442-1447.

Research output: Contribution to journalArticle

Steele, MM, Kelley, PM, Schieler, AM & Tempero, RM 2011, 'Glucocorticoids suppress corneal lymphangiogenesis', Cornea, vol. 30, no. 12, pp. 1442-1447. https://doi.org/10.1097/ICO.0b013e318213f39f
Steele, Maria M. ; Kelley, Philip M. ; Schieler, Amanda M. ; Tempero, Richard M. / Glucocorticoids suppress corneal lymphangiogenesis. In: Cornea. 2011 ; Vol. 30, No. 12. pp. 1442-1447.
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