Dietary modulation of retina phospholipids and photoreceptor function with particular reference to phosphatidylinositol
Bioscience ReportsPublished 1 June 1986
Rolf Blomstrand, Leslie Sisfontes, Sven‐Olof Ingemansson
Citations9
SJR quartileQ1
SJR score0.90
SNIP0.87
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TL;DR
The pronounced change in the arachidonic content in PI and the decreased amplitude of the a-wave of the ERG suggest that arACHidonic acid of the PI has an important function in the visual phototransduction process.
Abstract
The effect of dietary partially hydrogenated herring oil (HHO) on the fatty acid composition of the phospholipids of rat retina and on the amplitude of the a-wave of the electroretinogram (ERG) was studied in rats raised for several generations on an essential fatty acid poor diet. The most significant effect of the dietary treatment was a decreased content of arachidonic acid (C20:4 omega 6) and an increased concentration of docosahexaenoic acid (C22:6 omega 2) and 18:1 isomers associated with the phosphatidylinositol (PI). The a-wave of the ERG showed a decreasing amplitude during the experiment and was reduced with about 30% (P less than 0.004) of the initial value in all rats at the end of the experiment. The pronounced change in the arachidonic content in PI and the decreased amplitude of the a-wave of the ERG suggest that arachidonic acid of the PI has an important function in the visual phototransduction process.
Keywords
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