Although physical exercise is known to increase adipose tissue lipolysis, its effect on the activity of triacylglycerol (TG) lipase, the enzyme regulating TG breakdown, is not known. The aim of the present study was to monitor the acute changes in TG lipase activity of adipose tissue induced during moderate exercise.
For this purpose a new assay, sensitive to the phosphorylation state of the enzyme, was developed. Ten young sedentary men cycled for 30 min at a heart rate of 120-130 beats min(-1). Needle adipose tissue biopsy was performed from the buttock area at rest, at 5, 15,
and 30 min of exercise, as well as at 15 min of passive recovery.
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