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Effect of growth hormone replacement therapy on plasma lecithin:cholesterol acyltransferase and lipid transfer protein activities in growth hormone-deficient adults

التفاصيل البيبلوغرافية
العنوان: Effect of growth hormone replacement therapy on plasma lecithin:cholesterol acyltransferase and lipid transfer protein activities in growth hormone-deficient adults
المؤلفون: John A.M. Beentjes, Arie van Tol, Wim J. Sluiter, Robin P.F. Dullaart
المصدر: Journal of Lipid Research, Vol 41, Iss 6, Pp 925-932 (2000)
بيانات النشر: Elsevier, 2000.
سنة النشر: 2000
المجموعة: LCC:Biochemistry
مصطلحات موضوعية: growth hormone deficiency, growth hormone replacement, HDL, LCAT, CETP, PLTP, Biochemistry, QD415-436
الوصف: The effects of growth hormone (GH) replacement on plasma lecithin:cholesterol acyltransferase (LCAT), cholesteryl ester transfer protein (CETP), and phospholipid transfer protein (PLTP), factors involved in high density lipoprotein (HDL) metabolism, are unknown. We carried out a 6 months study in 24 GH-deficient adults who were randomized to placebo (n = 8), low dose GH (1 U daily, n = 8), and high dose GH (2 U daily, n = 8), followed by a 6 months open extension study with high dose GH (1 dropout). No significant changes in plasma lipoproteins, LCAT, CETP, and PLTP activities, cholesterol esterification (EST) and cholesteryl ester transfer (CET) were observed after placebo. After 6 months of GH (combined data, n = 24), very low + low density lipoprotein (VLDL + LDL) cholesterol (P < 0.05) and apolipoprotein B (P < 0.05) decreased, whereas HDL cholesterol and HDL cholesteryl ester increased (P < 0.05). Prolonged treatment showed comparable effects. Plasma apolipoprotein A-I and Lp[a] remained unchanged. Plasma LCAT (P < 0.01) and CETP activities (P < 0.01), as well as EST (P < 0.01) and CET decreased (P < 0.01) after 12 months of GH (n = 15), but PLTP activity did not significantly change. Changes in EST and CET after 12 months of treatment were independently related to changes in plasma LCAT (P = 0.001 and CETP activity (P = 0.01).In conclusion, GH replacement therapy improves the lipoprotein profile in GH-deficient adults. Chronic GH replacement lowers plasma LCAT and CETP activities, contributing to a decrease in cholesterol esterification and cholesteryl ester transfer. These effects may have consequences for HDL metabolism and reverse cholesterol transport.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 0022-2275
Relation: http://www.sciencedirect.com/science/article/pii/S0022227520320344; https://doaj.org/toc/0022-2275
DOI: 10.1016/S0022-2275(20)32034-4
URL الوصول: https://doaj.org/article/0b0ea828bd7e416cb46fd25389c193f3
رقم الانضمام: edsdoj.0b0ea828bd7e416cb46fd25389c193f3
قاعدة البيانات: Directory of Open Access Journals
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