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Mol Vis. 2010 Oct 1;16:1913-9.

Effects of mycophenolate mofetil on proliferation and mucin-5AC expression in human conjunctival goblet cells in vitro.

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1
Zhongshan Ophthalmic Center and State Key Laboratory of Ophthalmology, Sun Yat-sen University, Guangzhou, China.

Abstract

PURPOSE:

To investigate the effects of mycophenolate mofetil (MMF) on proliferation and mucin-5AC (MUC5AC) mRNA expression of normal human conjunctival goblet cells (CGCs) in vitro and to understand mechanisms of MMF in treatment of dry eye syndrome at molecular level.

METHODS:

Purified human CGCs were treated with a series of graded concentrations of MMF after being confirmed by immunocytochemistry and flow cytometry. Proliferation and MUC5AC mRNA expression of CGCs were measured by Cell Count Kit-8 (CCK-8) and quantitative nested real-time reverse transcription polymerase chain reaction (QNRT-PCR at 24 h after treatment. The cell proliferation and MUC5AC mRNA expressiion were compared among different doses of MMF.

RESULTS:

MMF induced a dose-dependent upregulation of MUC5AC mRNA expression (F=238.851, p<0.01) but a biphase effect on proliferation of the CGCs over 24 h of co-incubation. This biphase effect manifested as a dose-dependent increase in cell numbers with MMF from 0.25 to 2.5 ng/ml, an unchanged population of the cells from 2.5 to 10 ng/ml and a reduced population of the cells from 25 to 100 ng/ml.

CONCLUSIONS:

MMF exerts biphase effects on cell regeneration and upregulates MUC5AC mRNA expression in CGCs in vitro. It appears that the use of MMF at low concentrations is attractive in dry eye (DE) treatment.

PMID:
21031014
PMCID:
PMC2956659
[Indexed for MEDLINE]
Free PMC Article
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