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2017 ; 39
(5
): 1149-1154
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Efficacy of curcumin in inducing apoptosis and inhibiting the expression of VEGF
in human pterygium fibroblasts
#MMPMID28393179
Lu CW
; Hao JL
; Yao L
; Li HJ
; Zhou DD
Int J Mol Med
2017[May]; 39
(5
): 1149-1154
PMID28393179
show ga
Pterygium is an inflammatory and degenerative ocular surface disease, in which
the conjunctiva on the cornea grows to form a fibrous tissue in the shape of a
triangle. Although pterygium surgery is used broadly in clinical practice, its
high recurrence rate poses a great concern for patients and doctors. In the
present study, we examined the effects of curcumin on the apoptosis and
proliferation of human pterygium fibroblasts (HPFs) in an in vitro culture
system. HPFs were incubated with curcumin for 24 to 72 h (5, 20, 80
or 200 µmol/l). The proliferation-inhibiting effects of curcumin were assayed by
MTT assay at different time points and at various concentrations. The expression
of vascular endothelial growth factor (VEGF) in each group was detected by
RT-qPCR and ELISA. The apoptotic effects of curcumin were detected by flow
cytometry (FCM). Treatment with curcumin at 80 µmol/l for 48 h significantly
inhibited HPF proliferation. Curcumin significant induced the apoptosis of HPFs.
Our findings thus suggest that curcumin suppress cell proliferation in the
pterygium by inducing HPF apoptosis and inhibiting VEGF expression. Thus,
curcumin has potential for use as a novel agent for the treatment of pterygium in
the near future.