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Cited by 281Diet and metabolism studiesNutritional Studies and DietAdipose Tissue and Metabolism

Effect of Distinct Lifestyle Interventions on Mobilization of Fat Storage Pools: CENTRAL Magnetic Resonance Imaging Randomized Controlled Trial

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Gepner, Yftach, Shelef, Ilan, Schwarzfuchs, Dan, Zelicha, Hila, Tene, Lilac, Yaskolka Meir, Anat, Tsaban, Gal, Cohen, Noa +21 more·2018·Circulation
DOI 10.1161/circulationaha.117.030501
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Abstract

Background: We aimed to assess whether distinct lifestyle strategies can differentially affect specific body adipose depots. Methods: We performed an 18-month randomized controlled trial among 278 sedentary adults with abdominal obesity (75%) or dyslipidemia in an isolated workplace with a monitored provided lunch. Participants were randomized to isocaloric low-fat or Mediterranean/low-carbohydrate (MED/LC) diet+28 g walnuts/day with/without added moderate physical activity (PA; 80% aerobic; supervised/free gym membership). Overall primary outcome was body fat redistribution, and the main specific end point was visceral adipose tissue (VAT). We further followed the dynamics of different fat depots (deep and superficial subcutaneous, liver, pericardial, muscle, pancreas, and renal sinus) by magnetic resonance imaging. Results: Of 278 participants (age, 48 years, 89% men, body mass index, 30.8 kg/m 2 ), 86% completed the trial with good adherence. The low-fat group preferentially decreased reported fat intake (−21.0% versus −11.5% for the MED/LC; P <0.001), and the MED/LC group decreased reported carbohydrates intake (−39.5% versus −21.3% for the low-fat group; P <0.001). The PA + groups significantly increased the metabolic equivalents per week versus the PA − groups (19.0 versus 2.1; P =0.009). Whereas final moderate weight loss was indifferent, exercise attenuated the waist circumference rebound with the greatest effect in the MED/LC PA+ group ( P <0.05). VAT (−22%), intrahepatic (−29%), and intrapericardial (−11%) fats declines were higher than pancreatic and femur intermuscular fats (1% to 2%) loss. Independent of weight loss, PA + with either diet had a significantly greater effect on decreasing VAT (mean of difference, −6.67cm 2 ; 95% confidence interval, −14.8 to −0.45) compared with PA − . The MED/LC diet was superior to the low-fat diet in decreasing intrahepatic, intrapericardial, and pancreatic fats ( P <0.05 for all). In contrast, renal sinus and femoral intermuscular fats were not differentially altered by lifestyle interventions but by weight loss per se. In multivariate models further adjusted for weight loss, losing VAT or intrahepatic fat was independently associated with improved lipid profile, losing deep subcutaneous adipose tissue with improved insulin sensitivity, and losing superficial subcutaneous adipose tissue remained neutral except for an association with decreased leptin. Conclusions: Moderate weight loss alone inadequately reflects the significant lifestyle effects on atherogenic and diabetogenic fat depots. The MED/LC diet mobilizes specific ectopic fat depots, and exercise has an independent contribution to VAT loss. Fat depots exhibit diverse responsiveness and are differentially related to cardiometabolic markers. Distinct lifestyle protocols may uniquely induce fat mobilization from specific anatomic sites. Clinical Trial Registration: URL: https://www.clinicaltrials.gov . Unique identifier: NCT01530724.

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Authors
Gepner, Y., Shelef, I., Schwarzfuchs, D., Zelicha, H., Tene, L., Yaskolka Meir, A., Tsaban, G., Cohen, N., Bril, N., Rein, M., Serfaty, D., Kenigsbuch, S., Komy, O., Wolak, A., Chassidim, Y., Golan, R., Avni-Hassid, H., Bilitzky, A., Sarusi, B., Goshen, E., Shemesh, E., Henkin, Y., Stumvoll, M., Blüher, M., Thiery, J., Ceglarek, U., Rudich, A., Stampfer, M. J., & Shai, I.
Affiliations
  • Ben-Gurion University of the Negev (IL)
  • Soroka Medical Center (IL)
  • Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (Y.G., H.Z., L.T., A.Y.M., G.T., N.C., N.B., M.R., D.S., S.K., O.K., R.G., H.A.-H., A.B., E.S., A.R., I.S.).
  • Shaare Zedek Medical Center (IL)
  • Shimon Peres Negev Nuclear Research Center (IL)
  • Department of Medicine, University of Leipzig, Germany (M.S., M.B., J.T., U.C.).
  • Leipzig University (DE)
  • Brigham and Women's Hospital (US)
Corresponding author
  • Gepner, Yftach
  • Shelef, Ilan
  • Schwarzfuchs, Dan
ORCID
Venue
Circulation
Publisher
Ovid Technologies (Wolters Kluwer Health)
Published
2018-03-13
Volume
137
Issue
11
Pages
1143-1157
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
DOI
10.1161/circulationaha.117.030501
OpenAlex
W3016784104
Semantic Scholar
09fc50175977a3f18864dc55ed917ee21fe2e738
Cited by
279
References
51
Citations by year
2026: 32 · 2025: 27 · 2024: 30 · 2023: 43 · 2022: 47 · 2021: 45 · 2020: 26 · 2019: 18 · 2018: 11
FWCI
11.32
Type
journal article
Language
en
Open access
Licence
public-domain
Locations
  • Circulation (publishedVersion, public-domain)
  • PubMed (publishedVersion)
Funders
  • Brigham and Women's Hospital
  • Harvard T.H. Chan School of Public Health
  • Deutsche Forschungsgemeinschaft
  • Ben-Gurion University of the Negev
Topics
  • Health Sciences › Medicine › Physiology › Diet and metabolism studies
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
adipose tissue redistribution, visceral adipose tissue, abdominal obesity, dyslipidemia, Mediterranean diet, low-carbohydrate diet, low-fat diet, Juglans regia, physical activity, intrahepatic fat, intermuscular fat, renal sinus fat, subcutaneous adipose tissue, weight loss, sedentary adults, workplace interventions, magnetic resonance imaging
MeSH terms
Healthy Lifestyle, Adipose Tissue, Adult, Aged, Female, Humans, Israel, Lipids, Magnetic Resonance Imaging, Male, Middle Aged, Predictive Value of Tests, Time Factors, Weight Loss, Exercise, Treatment Outcome, Diet, Fat-Restricted, Diet, Mediterranean, Risk Reduction Behavior, Adiposity, Dyslipidemias, Diet, Carbohydrate-Restricted, Obesity, Abdominal

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