PMID- 18451774 OWN - NLM STAT- MEDLINE DCOM- 20080912 LR - 20151119 IS - 1930-7381 (Print) IS - 1930-7381 (Linking) VI - 16 IP - 7 DP - 2008 Jul TI - Inflammatory response to a high-fat, low-carbohydrate weight loss diet: effect of antioxidants. PG - 1573-8 LID - 10.1038/oby.2008.252 [doi] AB - The objective of this study was to test the hypothesis that the inflammatory response to a high-fat, low-carbohydrate weight loss diet (HF) we previously observed was due to oxidative stress. Nineteen overweight subjects (BMI>27 kg/m(2)) were randomly assigned to either an antioxidant supplement (AS) (1 g vitamin C/800 IU vitamin E) or a placebo (P) group and provided with a HF for 7 days. Fasted pre- and post serum samples were measured for markers of inflammation (C-reactive protein (CRP), interleukin-6 (IL-6), and monocyte chemoattractant protein-1 (MCP-1)), oxygen radical absorbance capacity (ORAC), and glucose, whereas urine was measured for oxidative stress (8-epi-prostaglandin-F(2alpha) (8-epi)). HF resulted in significant reductions in weight (-3.2%), glucose (-18.7%), and MCP-1 (-15%) (all P<0.01), with no difference between groups. There was a trend for a differential effect between groups for CRP as it decreased 32% in the AS group but increased 50% for P (P=0.076). Inverse correlations were noted between initial values and changes in several inflammatory and oxidative stress markers, including CRP (r= -0.501), 8-epi (r= -0.863), and ORAC (r= -0.546) (all P<0.05). It was concluded that weight loss on a short-term HF caused reduction of some but not all markers of inflammation. A role for oxidative stress in causing inflammation was not confirmed; however, longer term diet-controlled studies are necessary to further explore the trend for a differential response in CRP with antioxidant supplementation. FAU - Peairs, Abigail T AU - Peairs AT AD - Department of Human Nutrition, Foods, and Exercise, Virginia Tech, Blacksburg, Virginia, USA. aturpyn@vt.edu FAU - Rankin, Janet W AU - Rankin JW LA - eng PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, U.S. Gov't, Non-P.H.S. DEP - 20080501 PL - United States TA - Obesity (Silver Spring) JT - Obesity (Silver Spring, Md.) JID - 101264860 RN - 0 (Antioxidants) RN - 0 (Biomarkers) RN - 0 (Blood Glucose) RN - 0 (CCL2 protein, human) RN - 0 (Chemokine CCL2) RN - 0 (Dietary Fats) RN - 0 (Drug Combinations) RN - 0 (IL6 protein, human) RN - 0 (Inflammation Mediators) RN - 0 (Interleukin-6) RN - 0 (Reactive Oxygen Species) RN - 1406-18-4 (Vitamin E) RN - 27415-26-5 (8-epi-prostaglandin F2alpha) RN - 9007-41-4 (C-Reactive Protein) RN - B7IN85G1HY (Dinoprost) RN - PQ6CK8PD0R (Ascorbic Acid) SB - IM MH - Antioxidants/*therapeutic use MH - Ascorbic Acid/*therapeutic use MH - Biomarkers/metabolism MH - Blood Glucose/drug effects MH - C-Reactive Protein/metabolism MH - Chemokine CCL2/blood MH - Diet, Carbohydrate-Restricted/*adverse effects MH - Dietary Fats/administration & dosage/*adverse effects MH - Dinoprost/analogs & derivatives/urine MH - Drug Combinations MH - Female MH - Humans MH - Inflammation/etiology/metabolism/*prevention & control MH - Inflammation Mediators/blood MH - Interleukin-6/blood MH - Male MH - Obesity/*diet therapy/*drug therapy/metabolism MH - Oxidative Stress/*drug effects MH - Reactive Oxygen Species/blood MH - Time Factors MH - Treatment Outcome MH - Vitamin E/therapeutic use MH - *Weight Loss EDAT- 2008/05/03 09:00 MHDA- 2008/09/16 09:00 CRDT- 2008/05/03 09:00 PHST- 2008/05/03 09:00 [pubmed] PHST- 2008/09/16 09:00 [medline] PHST- 2008/05/03 09:00 [entrez] AID - oby2008252 [pii] AID - 10.1038/oby.2008.252 [doi] PST - ppublish SO - Obesity (Silver Spring). 2008 Jul;16(7):1573-8. doi: 10.1038/oby.2008.252. Epub 2008 May 1.