Experimental hyperthyroidism in man: effects on plasma lipoproteins, lipoprotein lipase and hepatic lipase

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Abstract

We have studied the effects of triiodothyronine administration (20-40 micrograms three times daily over one week) in six healthy young men, on the activities of lipoprotein lipase and hepatic lipase and on plasma lipoprotein concentrations. Hepatic lipase activity in post-heparin plasma rose by 46 +/- 25% (p less than 0.025), whereas the activity of lipoprotein lipase did not change significantly. Plasma cholesterol concentrations decreased by about 20% (p less than 0.025), whereas there was no change in plasma triglyceride levels. The fall in plasma cholesterol could be accounted for by a reduction of HDL cholesterol (-11%, p less than 0.025) as well as LDL cholesterol (-27%, p less than 0.025). The data emphasize the role of hepatic lipase in the lipoprotein alterations associated with thyroid dysfunction.

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Subject classification (UKÄ) – MANDATORY

  • Medicinal Chemistry
  • Other Clinical Medicine
  • Pharmacology and Toxicology
Original languageEnglish
Pages (from-to)449-452
JournalHormone and Metabolic Research
Volume15
Issue number9
Publication statusPublished - 1983
Publication categoryResearch
Peer-reviewedYes