Inflammatory Cytokine Profiles in Visceral and Subcutaneous Adipose Tissues of Obese Patients Undergoing Bariatric Surgery Reveal Lack of Correlation With Obesity or Diabetes
Copyright © 2018 German Center for Neurodegenerative Diseases (DZNE). Published by Elsevier B.V. All rights reserved..
Population studies have linked insulin resistance to systemic low-grade chronic inflammation and have reported elevated levels of inflammatory cytokines such as TNFα, IL-1β and IL-6, individually or in certain combinations, in adipose tissues or in the serum. We undertook this comprehensive study to simultaneously evaluate the expression of several pro-inflammatory and anti-inflammatory cytokines in serum and in the visceral and subcutaneous adipose tissues from obese patients undergoing bariatric surgery. We observed that several inflammatory cytokines implicated in obesity-associated inflammation showed no significant difference in protein or gene expression between obese patients with or without diabetes and control groups. IL1B gene expression was significantly elevated in the visceral adipose tissues of obese patients, but did not correlate with their diabetes status. Despite the significant increase in IL1B expression in the obese group, a significant proportion of obese patients did not express TNFA, IL1B or IL6 in visceral adipose tissues. Certain inflammatory cytokines showed correlation with the chemokine CCL2 and VEGF-A in visceral adipose tissues. Our findings suggest that the inflammatory cytokine profile in metabolic syndrome is more complex than what is currently perceived and that chronic inflammation in obese patients likely results from incremental contribution from different cytokines and possibly other inflammatory mediators from within and outside the adipose tissues. It is possible that this obesity associated chronic inflammation is not predicted by a single mediator, but rather includes a large spectrum of possible profiles.
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
EBioMedicine - 30(2018) vom: 01. Apr., Seite 237-247 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Rakotoarivelo, Volatiana [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 21.09.2018 Date Revised 09.01.2021 published: Print-Electronic CommentIn: EBioMedicine. 2018 Apr;30:9. - PMID 29625826 Citation Status MEDLINE |
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| doi: |
10.1016/j.ebiom.2018.03.004 |
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NLM282048499 |
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| 520 | |a Copyright © 2018 German Center for Neurodegenerative Diseases (DZNE). Published by Elsevier B.V. All rights reserved. | ||
| 520 | |a Population studies have linked insulin resistance to systemic low-grade chronic inflammation and have reported elevated levels of inflammatory cytokines such as TNFα, IL-1β and IL-6, individually or in certain combinations, in adipose tissues or in the serum. We undertook this comprehensive study to simultaneously evaluate the expression of several pro-inflammatory and anti-inflammatory cytokines in serum and in the visceral and subcutaneous adipose tissues from obese patients undergoing bariatric surgery. We observed that several inflammatory cytokines implicated in obesity-associated inflammation showed no significant difference in protein or gene expression between obese patients with or without diabetes and control groups. IL1B gene expression was significantly elevated in the visceral adipose tissues of obese patients, but did not correlate with their diabetes status. Despite the significant increase in IL1B expression in the obese group, a significant proportion of obese patients did not express TNFA, IL1B or IL6 in visceral adipose tissues. Certain inflammatory cytokines showed correlation with the chemokine CCL2 and VEGF-A in visceral adipose tissues. Our findings suggest that the inflammatory cytokine profile in metabolic syndrome is more complex than what is currently perceived and that chronic inflammation in obese patients likely results from incremental contribution from different cytokines and possibly other inflammatory mediators from within and outside the adipose tissues. It is possible that this obesity associated chronic inflammation is not predicted by a single mediator, but rather includes a large spectrum of possible profiles | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bariatric surgery | |
| 650 | 4 | |a Chronic inflammation | |
| 650 | 4 | |a Cytokine expression | |
| 650 | 4 | |a Subcutaneous adipose tissues | |
| 650 | 4 | |a Visceral adipose tissue | |
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| 700 | 1 | |a Mayhue, Marian |e verfasserin |4 aut | |
| 700 | 1 | |a Brown, Christine |e verfasserin |4 aut | |
| 700 | 1 | |a Rottembourg, Diane |e verfasserin |4 aut | |
| 700 | 1 | |a Fradette, Julie |e verfasserin |4 aut | |
| 700 | 1 | |a Ilangumaran, Subburaj |e verfasserin |4 aut | |
| 700 | 1 | |a Menendez, Alfredo |e verfasserin |4 aut | |
| 700 | 1 | |a Langlois, Marie-France |e verfasserin |4 aut | |
| 700 | 1 | |a Ramanathan, Sheela |e verfasserin |4 aut | |
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