Human lens epithelial cell apoptosis and epithelial to mesenchymal transition in femtosecond laser-assisted cataract surgery

Wei Sun, Jia Liu, Jing Li, Di Wu, Jing Wang, Mingwu Wang, Jin Song Zhang, Jiang Yue Zhao

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

● AIM: To evaluate human lens epithelium cell apoptosis and epithelial to mesenchymal transition (EMT) induced by femtosecond laser in femtosecond laser assisted cataract surgery (FLACS). ● METHODS: Sixty cataract patients with N2 to N3 stage according to the LOCS III were enrolled in this study and divided into three groups randomly: FLACS1 group (cataract surgery by FLACS with LenSx), FLACS2 group (cataract surgery by FLACS with LensAR) and manual group (cataract surgery by phacoemulsification). Patients in two FLACS groups performed anterior capsulotomy by LenSx or LensAR laser system. Patients in the manual group were performed continuous curvilinear capsulorrhexis (CCC) manually. The anterior capsules were fixed right after moved out of eye. Hematoxylin-eosine staining, immunofluorescence staining and real-time PCR were performed in order to observe human lens epithelium cells changes after cataract surgery. ● RESULTS: The capsule cutting edge was shown irregularity and roughness in two FLACS groups and smooth edge in manual capsulotomy by pathologic staining. Irregularities of the cell configuration with partly swollen and destroyed nuclei were observed in two FLACS groups. Femtosecond laser could induce a significantly higher cell apoptosis in human lens epithelium cell than manually performed CCC (P<0.05). Lens epithelium cells apoptosis were correlated with femtosecond laser duration according to Pearson correlation analysis. Decreased N-cadherin expression, alpha-SMA and FSP-1 level in two FLACS groups showed the inhibition of cell EMT. ● CONCLUSION: Femtosecond laser may affect the apoptosis and EMT of lens epithelium cells which are under the peeled central lens capsule.

Original languageEnglish (US)
Pages (from-to)401-407
Number of pages7
JournalInternational Journal of Ophthalmology
Volume11
Issue number3
DOIs
StatePublished - Jan 1 2018

Fingerprint

Epithelial-Mesenchymal Transition
Cataract
Lenses
Lasers
Epithelial Cells
Apoptosis
Epithelium
Capsulorhexis
Capsules
Laser Therapy
Staining and Labeling
Phacoemulsification
Cadherins
Hematoxylin
Eosine Yellowish-(YS)
Fluorescent Antibody Technique
Real-Time Polymerase Chain Reaction

Keywords

  • Apoptosis
  • Epithelial mesenchymal transition
  • Femtosecond lasers assisted cataract surgery
  • Lens epithelium cell

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Human lens epithelial cell apoptosis and epithelial to mesenchymal transition in femtosecond laser-assisted cataract surgery. / Sun, Wei; Liu, Jia; Li, Jing; Wu, Di; Wang, Jing; Wang, Mingwu; Zhang, Jin Song; Zhao, Jiang Yue.

In: International Journal of Ophthalmology, Vol. 11, No. 3, 01.01.2018, p. 401-407.

Research output: Contribution to journalArticle

Sun, Wei ; Liu, Jia ; Li, Jing ; Wu, Di ; Wang, Jing ; Wang, Mingwu ; Zhang, Jin Song ; Zhao, Jiang Yue. / Human lens epithelial cell apoptosis and epithelial to mesenchymal transition in femtosecond laser-assisted cataract surgery. In: International Journal of Ophthalmology. 2018 ; Vol. 11, No. 3. pp. 401-407.
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AU - Zhang, Jin Song

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