PMID: 6413814Apr 1, 1983Paper

Studies on the metabolic mechanism of reduced high density lipoproteins during anabolic steroid therapy

Metabolism: Clinical and Experimental
S HaffnerW R Hazzard

Abstract

To explore the mechanism whereby stanozolol, a 17 alpha-methyl androgenic anabolic steroid, depresses high density lipoproteins (HDL), 6 subjects, aged 46-71 yr (4 postmenopausal women and 2 men), underwent paired studies of 125I-HDL turnover (including HDL2 and HDL3 and Apo A-I and A-II) and postheparin plasma (PHP) lipolytic activity (hepatic triglyceride lipase, HTGL, and lipoprotein lipase LPL) before and during treatment with stanozolol, 6 mg/day. While total cholesterol and triglyceride levels did not change during stanozolol, HDL-cholesterol decreased from 59 +/- 18 mg/dl (x +/- SD) to 29 +/- 7 mg/dl (p less than 0.01) and low density lipoprotein (LDL)-cholesterol increased from 160 +/- 36 mg/dl to 181 +/- 42 mg/dl (p less than 0.02). PHP-HTGL increased from 111 +/- 47 nmole/min/ml to 369 +/- 202 nmole/min/ml (p less than 0.04), while PHP-LPL did not change. At baseline the residence time of HDL2 (4.00 +/- 1.04 day) was shorter than that of HDL3 (6.79 +/- 1.00 day) (p less than 0.001). Residence times of both declined on stanozolol, to 3.25 +/- 0.83 day and 4.00 +/- 0.29 day, respectively (0.1 less than p less than 0.2); however, only the reduction in residence time of HDL3 was statistically significant (p less than 0.00...Continue Reading

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