Cardiolipin degradation by rat liver lysosomes. |
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Authors: | P N Hambrey A Mellors |
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Affiliation: | Department of Chemistry, University of Guelph, Guelph, Ontario N1G 2W1, Canada |
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Abstract: | The lysosomal subcellular fraction of rat liver contains acid hydrolases which can carry out the degradation of cardiolipin to yield water-soluble products and free fatty acids. The time course of appearance of the products indicates that the major catabolic route involves the sequential removal of three of the fatty acids, followed by hydrolysis to acylglycerophosphoryl glycerol (from which the fatty acid is subsequently removed) and d-glycerophosphate (which is hydrolysed to give free phosphate and glycerol). The phospholipase A activity responsible for removal of the first fatty acid is located in the lysosomal fraction. |
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