当前位置： SCI文献检索 > JOURNAL OF ENDOCRINOLOGICAL INVESTIGATION期刊下所有文献 > Acute effects of acylated and unacylated ghrelin on total and high molecular weight adiponectin inmorbidly obese subjects.

Acute effects of acylated and unacylated ghrelin on total and high molecular weight adiponectin inmorbidly obese subjects.

Abstract：

BACKGROUND:Energy homeostasis and body weight are regulated by a highly complex network involving the brain, the digestive tract, and white adipose tissue (WAT). Knowledge about signaling pathways connecting digestive tract and WAT is limited. Gut hormone ghrelin and adipokine adiponectin are both decreased in obesity and they share a potent effect on insulin sensitivity: both adiponectin and the combination of acylated (AG) and unacylated ghrelin (UAG) improve insulin sensitivity. AIM:In the present study, we evaluated whether acute administration of UAG alone or combined with AG affects adiponectin concentrations. SUBJECTS AND METHODS:Eight morbidly obese non-diabetic subjects were treated with either UAG 200 μg, UAG 100 μg + AG 100 μg (Comb), or placebo in 3 episodes in a double blind randomized cross-over design. Study medication was administered as single iv bolus injections at 09:00 h after an overnight fast. High molecular weight (HMW) and total adiponectin, glucose, insulin, and total ghrelin and AG were measured up to 1 h after administration. RESULTS:HMW and total adiponectin concentrations did not change after administration of either UAG or Comb, nor were they different from placebo. Insulin concentrations decreased significantly after acute administration of Comb, reaching a minimum at 20 min: 58.2 ± 3.9% of baseline. CONCLUSIONS:Acute iv administration of UAG and the combination of UAG and AG in morbidly obese non-diabetic subjects without overt diabetes does not affect total or HMW adiponectin concentrations, neither directly nor indirectly by changing insulin concentrations.

journal_name

J Endocrinol Invest

journal_title

Journal of endocrinological investigation

authors

Kiewiet RM,Hazell MJ,van Aken MO,van der Weerd K,Visser JA,Themmen AP,van der Lely AJ

doi

10.1007/BF03346709

subject

Has Abstract

pub_date

2011-06-01 00:00:00

pages

434-8

issue

6

eissn

0391-4097

issn

1720-8386

pii

7296

journal_volume

34

pub_type

杂志文章,随机对照试验

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