期刊
REGULATORY PEPTIDES
卷 163, 期 1-3, 页码 31-36出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.regpep.2010.04.008
关键词
Adenine monophosphate activated; protein kinase; Adiponectin; Adipose tissue; Morbid obesity; Metabolic syndrome
资金
- Instituto de Investigacion Carlos III [PI051651, PI051625]
- Ministerio de Ciencia e Innovacion [SAF2008-01432, AGL2008-04332]
- Instituto de Salud Carlos III
- Ministerio de Educacion y Ciencia, Spain
- European Regional Development Fund [BFU2005-24983-E/BFI]
Adenine monophosphate (AMP) activated protein kinase (AMPK) is an important regulator of obesity The objective of the present work was to study and compare AMPK protein expression in visceral vs subcutaneous adipose tissue of morbid obese subjects and to correlate it with adipose tissue characteristics We selected a total population of 17 extreme obese (BMI >= 40 kg/m(2)) aged 42 8 +/- 10 2 years were included in this study We measured anthropometric and body composition parameters Adiponectin expression by qRT-PCR, isoproterenol-stimulated lipolytic rates, and AMPK alpha subunits expression by Western blot in adipose tissue explains were determined Finally plasma concentrations of glucose, triacylglycerols, total cholesterol, HDL-c, LDL-c and insulin were also measured Our results showed that AMPK alpha expression was higher in subcutaneous than in visceral tissue. A positive correlation between AMPK expression and adiponectin expression in human subcutaneous adipose tissue was observed Furthermore, a positive correlation between AMPK expression and isoproterenol evoked upregulation of lipolysis rate was also observed In conclusion. AMPK alpha expression differed according to adipose tissue location The positive correlation between subcutaneous adipose tissue AMPK and adiponectin or the evoked lipolysis rate could indicate a protective role of AMPK in this tissue, counteracting insulin resistance in morbid obese patients (C) 2010 Elsevier B V All rights reserved.
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