Lifestyle intervention leading to moderate weight loss normalizes postprandial triacylglycerolemia despite persisting obesity

Maria I. Maraki, Niki Aggelopoulou, Nektarios Christodoulou, Costas A. Anastasiou, Marina Toutouza, Demosthenes B. Panagiotakos, Stavros A. Kavouras, Faidon Magkos, Labros S. Sidossis

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Obesity is associated with impaired postprandial triacylglycerolemia, an independent risk factor for cardiovascular disease. Given that obesity is hard to treat, efforts should focus on treating its comorbidities. We aimed to investigate whether moderate weight loss normalizes postprandial triacylglycerol (TAG) concentrations, in the absence of the acute effects of negative energy balance. For this purpose, postprandial lipemia was investigated in eight obese but otherwise healthy, sedentary men (age: 41.3±4.1 years, BMI: 36.5±1.6kgm 2), once before and again after a 10% weight loss followed by 4 weeks of weight maintenance, and was compared with that of eight age-matched healthy lean men (BMI: 24.7±0.6kgm 2). Dietary intervention consisted of reduced carbohydrate and saturated fat intake and increased monounsaturated fat intake. Obese volunteers were advised to increase physical activity using pedometers to record daily activity. Postprandial triacylglycerolemia after weight loss was reduced by 27-46% (P 0.05), and became similar to that of lean men despite persisting obesity (BMI after weight loss: 32.9±1.5kgm 2). Reduction in postprandial TAG responses was inversely correlated with the decrease in postprandial insulin sensitivity index (ISI) after weight loss (r = 0.714, P = 0.047). We conclude that moderate weight loss induced by a low-carbohydrate and saturated fat diet and a slight increase in daily physical activity normalizes postprandial triacylglycerolemia in obese men, independently of acute diet-induced negative energy balance, and possibly through enhancement of insulin action.

Original languageEnglish (US)
Pages (from-to)968-976
Number of pages9
JournalObesity
Volume19
Issue number5
DOIs
StatePublished - May 2011

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Life Style
Weight Loss
Obesity
Fats
Triglycerides
Carbohydrates
Exercise
Diet
Hyperlipidemias
Insulin Resistance
Comorbidity
Volunteers
Cardiovascular Diseases
Maintenance
Insulin
Weights and Measures

ASJC Scopus subject areas

  • Endocrinology
  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics

Cite this

Maraki, M. I., Aggelopoulou, N., Christodoulou, N., Anastasiou, C. A., Toutouza, M., Panagiotakos, D. B., ... Sidossis, L. S. (2011). Lifestyle intervention leading to moderate weight loss normalizes postprandial triacylglycerolemia despite persisting obesity. Obesity, 19(5), 968-976. https://doi.org/10.1038/oby.2010.218

Lifestyle intervention leading to moderate weight loss normalizes postprandial triacylglycerolemia despite persisting obesity. / Maraki, Maria I.; Aggelopoulou, Niki; Christodoulou, Nektarios; Anastasiou, Costas A.; Toutouza, Marina; Panagiotakos, Demosthenes B.; Kavouras, Stavros A.; Magkos, Faidon; Sidossis, Labros S.

In: Obesity, Vol. 19, No. 5, 05.2011, p. 968-976.

Research output: Contribution to journalArticle

Maraki, MI, Aggelopoulou, N, Christodoulou, N, Anastasiou, CA, Toutouza, M, Panagiotakos, DB, Kavouras, SA, Magkos, F & Sidossis, LS 2011, 'Lifestyle intervention leading to moderate weight loss normalizes postprandial triacylglycerolemia despite persisting obesity', Obesity, vol. 19, no. 5, pp. 968-976. https://doi.org/10.1038/oby.2010.218
Maraki MI, Aggelopoulou N, Christodoulou N, Anastasiou CA, Toutouza M, Panagiotakos DB et al. Lifestyle intervention leading to moderate weight loss normalizes postprandial triacylglycerolemia despite persisting obesity. Obesity. 2011 May;19(5):968-976. https://doi.org/10.1038/oby.2010.218
Maraki, Maria I. ; Aggelopoulou, Niki ; Christodoulou, Nektarios ; Anastasiou, Costas A. ; Toutouza, Marina ; Panagiotakos, Demosthenes B. ; Kavouras, Stavros A. ; Magkos, Faidon ; Sidossis, Labros S. / Lifestyle intervention leading to moderate weight loss normalizes postprandial triacylglycerolemia despite persisting obesity. In: Obesity. 2011 ; Vol. 19, No. 5. pp. 968-976.
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