Regulation of obesity-related insulin resistance with gut anti-inflammatory agents

Helen Luck¹, Sue Tsai², Jason Chung², Xavier Clemente-Casares², Magar Ghazarian¹, Xavier S Revelo², Helena Lei², Cynthia T Luk², Sally Yu Shi², Anuradha Surendra³, Julia K Copeland³, Jennifer Ahn⁴, David Prescott⁴, Brittany A Rasmussen², Melissa Hui Yen Chng⁵, Edgar G Engleman⁵, Stephen E Girardin⁶, Tony K T Lam², Kenneth Croitoru⁷, Shannon Dunn⁴, Dana J Philpott⁴, David S Guttman³, Minna Woo⁸, Shawn Winer⁹, Daniel A Winer¹⁰

Affiliations

¹ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Immunology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
² Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada.
³ Centre for the Analysis of Genome Evolution & Function, University of Toronto, 33 Wilcocks Street, Toronto, ON M5S 3B3, Canada.
⁴ Department of Immunology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
⁵ Department of Pathology, Stanford University School of Medicine, 300 Pasteur Drive, Palo Alto, CA 94305-5324, USA.
⁶ Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
⁷ Institute of Medical Science, Department of Medicine, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
⁸ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Institute of Medical Science, Department of Medicine, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Division of Endocrinology, Department of Medicine, University Health Network, University of Toronto, 200 Elizabeth Street, Toronto, ON M5G 2C4, Canada.
⁹ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada. Electronic address: shawn.winer@qiuluzeuv.cn.
¹⁰ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Immunology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Department of Pathology, University Health Network, 200 Elizabeth Street, Toronto, ON M5G 2C4, Canada. Electronic address: dan.winer@qiuluzeuv.cn.

PMID: 25863246
DOI: 10.1016/j.cmet.2015.03.001

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V体育官网 - Regulation of obesity-related insulin resistance with gut anti-inflammatory agents

Helen Luck et al. Cell Metab. 2015.

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. 2015 Apr 7;21(4):527-42.

doi: 10.1016/j.cmet.2015.03.001.

Authors

Affiliations

¹ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Immunology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
² Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada.
³ Centre for the Analysis of Genome Evolution & Function, University of Toronto, 33 Wilcocks Street, Toronto, ON M5S 3B3, Canada.
⁴ Department of Immunology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
⁵ Department of Pathology, Stanford University School of Medicine, 300 Pasteur Drive, Palo Alto, CA 94305-5324, USA.
⁶ Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
⁷ Institute of Medical Science, Department of Medicine, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
⁸ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Institute of Medical Science, Department of Medicine, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Division of Endocrinology, Department of Medicine, University Health Network, University of Toronto, 200 Elizabeth Street, Toronto, ON M5G 2C4, Canada.
⁹ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada. Electronic address: shawn.winer@qiuluzeuv.cn.
¹⁰ Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Research Institute (TGRI), University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Immunology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Department of Pathology, University Health Network, 200 Elizabeth Street, Toronto, ON M5G 2C4, Canada. Electronic address: dan.winer@qiuluzeuv.cn.

PMID: 25863246
DOI: 10.1016/j.cmet.2015.03.001

Abstract

Obesity has reached epidemic proportions, but little is known about its influence on the intestinal immune system. Here we show that the gut immune system is altered during high-fat diet (HFD) feeding and is a functional regulator of obesity-related insulin resistance (IR) that can be exploited therapeutically. Obesity induces a chronic phenotypic pro-inflammatory shift in bowel lamina propria immune cell populations. Reduction of the gut immune system, using beta7 integrin-deficient mice (Beta7(null)), decreases HFD-induced IR. Treatment of wild-type HFD C57BL/6 mice with the local gut anti-inflammatory, 5-aminosalicyclic acid (5-ASA), reverses bowel inflammation and improves metabolic parameters. These beneficial effects are dependent on adaptive and gut immunity and are associated with reduced gut permeability and endotoxemia, decreased visceral adipose tissue inflammation, and improved antigen-specific tolerance to luminal antigens. Thus, the mucosal immune system affects multiple pathways associated with systemic IR and represents a novel therapeutic target in this disease. VSports手机版.

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Regulation of obesity-related insulin resistance with gut anti-inflammatory agents

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