September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Overexpression of monocyte-derived Wnt5a promotes corneal lymphangiogenesis
Roberto Sessa; Preethi Padmanaban; Stephanie Wan; Steve Shen; April Smith; Terry Yamaguchi; Richard A Lang; Lu Chen
Author Affiliations & Notes
  • Roberto Sessa
    Optometry, UC Berkeley, Berkekely, California, United States
  • Preethi Padmanaban
    Optometry, UC Berkeley, Berkekely, California, United States
  • Stephanie Wan
    Optometry, UC Berkeley, Berkekely, California, United States
  • Steve Shen
    Optometry, UC Berkeley, Berkekely, California, United States
  • April Smith
    Visual Systems Group, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States
  • Terry Yamaguchi
    Center for Cancer Research, National Institutes of Health, Frederick, Maryland, United States
  • Richard A Lang
    Visual Systems Group, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States
  • Lu Chen
    Optometry, UC Berkeley, Berkekely, California, United States
  • Footnotes
    Commercial Relationships   Roberto Sessa, None; Preethi Padmanaban, None; Stephanie Wan, None; Steve Shen, None; April Smith, None; Terry Yamaguchi, None; Richard Lang, None; Lu Chen, None
  • Footnotes
    Support  NIH and University of California at Berkeley (LC)
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 3535. doi:
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      Roberto Sessa, Preethi Padmanaban, Stephanie Wan, Steve Shen, April Smith, Terry Yamaguchi, Richard A Lang, Lu Chen; Overexpression of monocyte-derived Wnt5a promotes corneal lymphangiogenesis. Invest. Ophthalmol. Vis. Sci. 2016;57(12):3535.

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Abstract

Purpose : Lymphangiogenesis (LG) accompanies many corneal diseases after an inflammatory, infectious, immunogenic, or chemical insult. It is known that monocyte-derived cells play a key role in this process. This study was designed to investigate the specific role of monocyte-derived Wnt5a in mediating corneal LG.

Methods : Macrophage specific conditional gain-of-function (GOF) mice were generated by cross breeding between Csf1R-cre and Rosa26Wnt5a mice. Standard suture placement model was used to induce corneal inflammatory LG. Whole-mount corneas were immunostained for LYVE-1 and analyzed by NIH Image J software. Additionally, macrophages were isolated from peritoneal cavity, and CD11b and F4/80 staining cells were quantified by flow cytometric analysis.

Results : Compared to control condition, inflammatory LG response in macrophage specific Wnt5a GOF mice was enhanced, and the percentage of peripheral CD11b+/F4/80+ macrophages was increased as well.

Conclusions : Wnt5a promotes corneal LG. Further investigation on this pathway may offer novel insights and strategies to treat lymphatic disorders, which occur both inside and outside the eye.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Attribution-NonCommercial-NoDerivatives
Copyright © 2015 Association for Research in Vision and Ophthalmology.
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