Subtype-Specific Surface Proteins on Adipose Tissue Macrophages and Their Association to Obesity-Induced Insulin Resistance
Copyright © 2022 Strand, Stiglund, Haugstøyl, Kamyab, Langhelle, Dyer, Busch, Cornillet, Hjellestad, Nielsen, Njølstad, Mellgren, Björkström and Fernø..
A chronic low-grade inflammation, originating in the adipose tissue, is considered a driver of obesity-associated insulin resistance. Macrophage composition in white adipose tissue is believed to contribute to the pathogenesis of metabolic diseases, but a detailed characterization of pro- and anti-inflammatory adipose tissue macrophages (ATMs) in human obesity and how they are distributed in visceral- and subcutaneous adipose depots is lacking. In this study, we performed a surface proteome screening of pro- and anti-inflammatory ATMs in both subcutaneous- (SAT) and visceral adipose tissue (VAT) and evaluated their relationship with systemic insulin resistance. From the proteomics screen we found novel surface proteins specific to M1-like- and M2-like macrophages, and we identified depot-specific immunophenotypes in SAT and VAT. Furthermore, we found that insulin resistance, assessed by HOMA-IR, was positively associated with a relative increase in pro-inflammatory M1-like macrophages in both SAT and VAT.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Frontiers in endocrinology - 13(2022) vom: 25., Seite 856530 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Strand, Kristina [VerfasserIn] |
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| Links: |
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| Themen: |
Adipose tissue macrophage |
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| Anmerkungen: |
Date Completed 29.04.2022 Date Revised 16.07.2022 published: Electronic-eCollection Citation Status MEDLINE |
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| doi: |
10.3389/fendo.2022.856530 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a A chronic low-grade inflammation, originating in the adipose tissue, is considered a driver of obesity-associated insulin resistance. Macrophage composition in white adipose tissue is believed to contribute to the pathogenesis of metabolic diseases, but a detailed characterization of pro- and anti-inflammatory adipose tissue macrophages (ATMs) in human obesity and how they are distributed in visceral- and subcutaneous adipose depots is lacking. In this study, we performed a surface proteome screening of pro- and anti-inflammatory ATMs in both subcutaneous- (SAT) and visceral adipose tissue (VAT) and evaluated their relationship with systemic insulin resistance. From the proteomics screen we found novel surface proteins specific to M1-like- and M2-like macrophages, and we identified depot-specific immunophenotypes in SAT and VAT. Furthermore, we found that insulin resistance, assessed by HOMA-IR, was positively associated with a relative increase in pro-inflammatory M1-like macrophages in both SAT and VAT | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a flow cytometry | |
| 650 | 4 | |a insulin resistance | |
| 650 | 4 | |a obesity | |
| 650 | 4 | |a surface proteomics | |
| 650 | 7 | |a Membrane Proteins |2 NLM | |
| 700 | 1 | |a Stiglund, Natalie |e verfasserin |4 aut | |
| 700 | 1 | |a Haugstøyl, Martha Eimstad |e verfasserin |4 aut | |
| 700 | 1 | |a Kamyab, Zahra |e verfasserin |4 aut | |
| 700 | 1 | |a Langhelle, Victoria |e verfasserin |4 aut | |
| 700 | 1 | |a Lawrence-Archer, Laurence |e verfasserin |4 aut | |
| 700 | 1 | |a Busch, Christian |e verfasserin |4 aut | |
| 700 | 1 | |a Cornillet, Martin |e verfasserin |4 aut | |
| 700 | 1 | |a Hjellestad, Iren Drange |e verfasserin |4 aut | |
| 700 | 1 | |a Nielsen, Hans Jørgen |e verfasserin |4 aut | |
| 700 | 1 | |a Njølstad, Pål Rasmus |e verfasserin |4 aut | |
| 700 | 1 | |a Mellgren, Gunnar |e verfasserin |4 aut | |
| 700 | 1 | |a Björkström, Niklas K |e verfasserin |4 aut | |
| 700 | 1 | |a Fernø, Johan |e verfasserin |4 aut | |
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