Cited by 148Adipokines, Inflammation, and Metabolic DiseasesBariatric Surgery and OutcomesAdipose Tissue and Metabolism

Obesogenic memory can confer long-term increases in adipose tissue but not liver inflammation and insulin resistance after weight loss

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Schmitz, J., Evers, N., Awazawa, M., Nicholls, H.T., Brönneke, H.S., Dietrich, A., Mauer, J., Blüher, M. +1 more·2016·Molecular Metabolism

Abstract

OBJECTIVE: Obesity represents a major risk factor for the development of type 2 diabetes mellitus, atherosclerosis and certain cancer entities. Treatment of obesity is hindered by the long-term maintenance of initially reduced body weight, and it remains unclear whether all pathologies associated with obesity are fully reversible even upon successfully maintained weight loss. METHODS: We compared high fat diet-fed, weight reduced and lean mice in terms of body weight development, adipose tissue and liver insulin sensitivity as well as inflammatory gene expression. Moreover, we assessed similar parameters in a human cohort before and after bariatric surgery. RESULTS: Compared to lean animals, mice that demonstrated successful weight reduction showed increased weight gain following exposure to ad libitum control diet. However, pair-feeding weight-reduced mice with lean controls efficiently stabilized body weight, indicating that hyperphagia was the predominant cause for the observed weight regain. Additionally, whereas glucose tolerance improved rapidly after weight loss, systemic insulin resistance was retained and ameliorated only upon prolonged pair-feeding. Weight loss enhanced insulin action and resolved pro-inflammatory gene expression exclusively in the liver, whereas visceral adipose tissue displayed no significant improvement of metabolic and inflammatory parameters compared to obese mice. Similarly, bariatric surgery in humans (n = 55) resulted in massive weight reduction, improved hepatic inflammation and systemic glucose homeostasis, while adipose tissue inflammation remained unaffected and adipocyte-autonomous insulin action only exhibit minor improvements in a subgroup of patients (42%). CONCLUSIONS: These results demonstrate that although sustained weight loss improves systemic glucose homeostasis, primarily through improved inflammation and insulin action in liver, a remarkable obesogenic memory can confer long-term increases in adipose tissue inflammation and insulin resistance in mice as well as in a significant subpopulation of obese patients.

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Authors
Schmitz, J., Evers, N., Awazawa, M., Nicholls, H. T., Brönneke, H. S., Dietrich, A., Mauer, J., Blüher, M., & Brüning, J. C.
Affiliations
  • University of Cologne (DE)
  • Leipzig University (DE)
Corresponding author
Brüning, J.C.
Venue
Molecular Metabolism
Publisher
Elsevier BV
Published
2016-05
Volume
5
Issue
5
Pages
328-339
ISSN
2212-8778 (ISSN-L)
OpenAlex
W2239531983
Cited by
148
References
48
Citations by year
2026: 22 · 2025: 17 · 2024: 17 · 2023: 16 · 2022: 13 · 2021: 14 · 2020: 15 · 2019: 12 · 2018: 8 · 2017: 10 · 2016: 4
FWCI
10.62
Type
journal article
Language
en
Open access
Locations
  • Molecular Metabolism (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Kölner Universitäts PublikationsServer (Universität zu Köln) (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Surgery › Bariatric Surgery and Outcomes
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
weight regain, weight loss, insulin resistance, liver inflammation, adipose tissue inflammation, hyperphagia, pair feeding, bariatric surgery, glucose homeostasis, type 2 diabetes, visceral adipose tissue, high-fat diet

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