Effect of a somatostatin analog (octreotide acetate) on the growth of retinal pigment epithelial cells in culture.

Abstract:

PURPOSE:Proliferative vitreoretinopathy is a serious complication of retinal detachment surgery in which retinal pigment epithelial cells abnormally proliferate within the vitreous cavity and under the retinal surface. Octreotide acetate, a somatostatin analog, has been shown to inhibit the cellular proliferation of a variety of cell types. The aim of this study was to investigate the effect of octreotide acetate on the growth of rabbit retinal pigment epithelial cells in culture. METHODS:Retinal pigment epithelial cells were isolated from rabbits and maintained in culture. Cells were exposed to standard media or media supplemented with octreotide acetate 10(-4) M to 10(-12) M for five days. Each concentration of octreotide acetate was tested in quadruplicate. RESULTS:Exposure of rabbit retinal pigment epithelial cells to octreotide acetate significantly inhibited proliferation with a peak effect at 10(-8) M. The effect of octreotide is biphasic with higher and lower concentrations having less effect than 10(-8) M. CONCLUSIONS:This study suggests that octreotide acetate may be useful in the treatment of proliferative vitreoretinopathy; however, the optimum therapeutic dose range for this drug may be narrow.

journal_name

Curr Eye Res

journal_title

Current eye research

authors

Luo Q,Peyman GA,Conway MD,Woltering EA

doi

10.3109/02713689609017634

subject

Has Abstract

pub_date

1996-09-01 00:00:00

pages

909-13

issue

9

eissn

0271-3683

issn

1460-2202

journal_volume

15

pub_type

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