Postprandial total and HMW adiponectin following a high-fat meal in lean, obese and diabetic men

Phillips, L., Peake, J., Zhang, X., Hickman, I., Briskey, D., Huang, B.E., Simpson, P., Li, S., Whitehead, J., Martin, J., & Prins, J.B. (2013) Postprandial total and HMW adiponectin following a high-fat meal in lean, obese and diabetic men. European Journal of Clinical Nutrition, 67(4), pp. 377-384.

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Recent work suggests that macronutrients are pro-inflammatory and promote oxidative stress. Reports of postprandial regulation of total adiponectin have been mixed, and there is limited information regarding postprandial changes in high molecular weight (HMW) adiponectin. The aim of this study was to assess the effect of a standardised high-fat meal on metabolic variables, adiponectin (total and HMW), and markers of inflammation and oxidative stress in: (i) lean, (ii) obese non-diabetic and (iii) men with type 2 diabetes mellitus (T2DM).


Male subjects: lean (n=10), obese (n=10) and T2DM (n=10) were studied for 6 h following both a high-fat meal and water control. Metabolic variables (glucose, insulin, triglycerides), inflammatory markers (interleukin-6 (IL6), tumour necrosis factor (TNF)α, high-sensitivity C-reactive protein (hsCRP), nuclear factor (NF)κB expression in peripheral blood mononuclear cells (p65)), indicators of oxidative stress (oxidised low density lipoprotein (oxLDL), protein carbonyl) and adiponectin (total and HMW) were measured.


No significant changes in TNFα, p65, oxLDL or protein carbonyl concentrations were observed. Overall, postprandial IL6 decreased in subjects with T2DM but increased in lean subjects, whereas hsCRP decreased in the lean cohort and increased in obese subjects. There was no overall postprandial change in total or HMW adiponectin in any group. Total adiponectin concentrations changed over time following the water control, and the response was significantly different in lean subjects compared with subjects with T2DM (P=0.04).


No consistent significant postprandial inflammation, oxidative stress or regulation of adiponectin was observed in this study. Findings from the water control suggest differential basal regulation of total adiponectin in T2DM compared with lean controls.

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ID Code: 63328
Item Type: Journal Article
Refereed: Yes
DOI: 10.1038/ejcn.2013.49
ISSN: 1476-5640
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > NUTRITION AND DIETETICS (111100) > Nutritional Physiology (111103)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Deposited On: 15 Oct 2013 00:32
Last Modified: 17 Oct 2013 02:41

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