Triacyglycerol biosynthesis in bovine liver and subcutaneous adipose tissue
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1. Adipose tissue from Angus and Brahman steers incubated with [1-14C]palmitate in the absence and presence of glucose exhibited a greater rate of lipid production than liver (P < 0.05). 2. Homogenates of adipose tissue used in the glycerol-3-phosphate acyltransferase assay exhibited a greater glycerolipid specific activity (nmol lipid/mg protein/30 min) when compared to liver (P < 0.05). 3. The inverse was true for liver homogenates when calculated for tissue activity (nmol lipid/g tissue/30 min). 4. Lysophosphatidate was produced in greater (P < 0.05) amounts than all other glycerolipids in the glycerol-3-phosphate acyltransferase assay. 5. The activity of phosphatidate phosphohydrolase in liver homogenates displayed greater rates than their respective adipose tissue homogenates. 6. Diacylglycerol acyltransferase activity was greater in adipose tissue homogenates compared to liver homogenates.
author list (cited authors)
Wilson, J. J., Young, C. R., & Smith, S. B.