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Metabolic Labeling Of Rod Outer Segment Phospholipids In Miniature Poodles With Progressive Rod-Cone Degeneration (Prcd), Mary Wetzel, Christian Fahlman, Paul O'Brien, Gustavo Aguirre
Metabolic Labeling Of Rod Outer Segment Phospholipids In Miniature Poodles With Progressive Rod-Cone Degeneration (Prcd), Mary Wetzel, Christian Fahlman, Paul O'Brien, Gustavo Aguirre
Gustavo D. Aguirre, VMD, PhD
The recessive genetic defect in miniature poodles which results in progressive rod-cone degeneration (prcd) has been investigated in an attempt to determine the biochemical abnormality involved. In the present study, the rod outer segments of young prcd affected miniature poodles and normal dogs have been compared with respect to the incorporation of intravitreally injected [3H]palmitic acid, [14C]linolenic acid, and [14C]docosahexaenoic acid into neutral lipids and phospholipids as well as [3H]palmitate and [14C]leucine into rhodopsin. In addition, 3 mm trephined punches of retinas were incubated with [ …