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Cellular Proliferation and Migration of Human Pterygium Cells: Mitomycin Versus Small-Molecule Inhibitors

Di Cao1, Wai Kit Chu1, Tsz Kin Ng1

  • 1Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, Kowloon, Hong Kong.

Cornea
|March 30, 2018
PubMed
Abstract

Insights

Nutlin selectively targets pterygium cells, reducing proliferation and migration while sparing conjunctival cells. Mitomycin C (MMC) caused cell death in both pterygium and conjunctival cells, indicating Nutlin

Area of Science:

  • Ophthalmology
  • Cell Biology
  • Pharmacology

Background:

  • Pterygium is a common eye condition.
  • Nutlin activates p53 in various cell lines.
  • Mitomycin C (MMC) is a current treatment for pterygium.

Purpose of the Study:

  • To investigate the effects of Nutlin on pterygium cells.
  • To compare the efficacy of Nutlin and MMC in pterygium cell lines.

Main Methods:

  • Pterygium and conjunctival cell lines were established from surgical samples.
  • Cells were treated with varying doses of Nutlin and MMC.
  • Cell proliferation, migration, and viability were assessed.

Main Results:

  • Nutlin significantly reduced pterygium cell proliferation and migration.
  • Nutlin demonstrated a targeted effect, inducing more pterygium cell death than conjunctival cell death.
  • MMC induced cell death in both pterygium and conjunctival cells.

Conclusions:

  • Nutlin exhibits a selective therapeutic potential for pterygium.
  • Nutlin offers a potentially safer alternative to MMC due to its targeted action.
  • MMC appears to inhibit pterygium cell growth via an apoptosis-independent pathway.

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