April 1981
Volume 20, Issue 4
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Articles  |   April 1981
Effect of arachidonic acid on normal and dystrophic retinal pigment epithelium in tissue culture.
Investigative Ophthalmology & Visual Science April 1981, Vol.20, 553-557. doi:https://doi.org/
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      B J Tripathi, R C Tripathi; Effect of arachidonic acid on normal and dystrophic retinal pigment epithelium in tissue culture.. Invest. Ophthalmol. Vis. Sci. 1981;20(4):553-557. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

With carmine particles used as markers, no significant difference was observed between the phagocytic activity of 1- to 3-week-old confluent monolayer cultures of normal and dystrophic retinal pigment epithelial (RPE) cells harvested from 1-day-old Royal College of Surgeons rats. The phagocytic activity of both normal and dystrophic RPE was markedly suppressed in a medium containing 1 mg/ml arachidonic acid (AA), and the cells rapidly assumed a rounded profile. With 100 micrograms/ml AA, the phagocytic activity of dystrophic RPE was differentially reduced compared with that of the normal sample (p greater than or equal to 0.001); this effect was subsequently accompanied by a gradual change in the shape of the cells. Lower concentrations of AA (5 microgram/ml and below) did not produce a significant effect in either group.

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