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The Interplay Between Tissue Niche and Macrophage Cellular Metabolism in Obesity.
Frontiers in Immunology ( IF 7.3 ) Pub Date : 2020-01-22 , DOI: 10.3389/fimmu.2019.03133
Sabine Daemen 1 , Joel D Schilling 1, 2
Affiliation  

Obesity is associated with the development of metabolic diseases such as type 2 diabetes and non-alcoholic fatty liver disease. The presence of chronic, low-grade inflammation appears to be an important mechanistic link between excess nutrients and clinical disease. The onset of these metabolic disorders coincides with changes in the number and phenotype of macrophages in peripheral organs, particularly in the liver and adipose tissue. Macrophage accumulation in these tissues has been implicated in tissue inflammation and fibrosis, contributing to metabolic disease progression. Recently, the concept has emerged that changes in macrophage metabolism affects their functional phenotype, possibly triggered by distinct environmental metabolic cues. This may be of particular importance in the setting of obesity, where both liver and adipose tissue are faced with a high metabolic burden. In the first part of this review we will discuss current knowledge regarding macrophage dynamics in both adipose tissue and liver in obesity. Then in the second part, we will highlight data linking macrophage metabolism to functional phenotype with an emphasis on macrophage activation in metabolic disease. The importance of understanding how tissue niche influences macrophage function in obesity will be highlighted. In addition, we will identify important knowledge gaps and outstanding questions that are relevant for future research in this area and will facilitate the identification of novel targets for therapeutic intervention in associated metabolic diseases.

中文翻译:

肥胖中组织壁龛和巨噬细胞代谢之间的相互作用。

肥胖与代谢疾病的发展有关,例如 2 型糖尿病和非酒精性脂肪肝。慢性、低度炎症的存在似乎是营养过剩与临床疾病之间的重要机制联系。这些代谢紊乱的发生与外周器官,尤其是肝脏和脂肪组织中巨噬细胞的数量和表型的变化相吻合。这些组织中巨噬细胞的积累与组织炎症和纤维化有关,从而导致代谢疾病的进展。最近,出现了巨噬细胞代谢变化影响其功能表型的概念,这可能是由不同的环境代谢线索触发的。这在肥胖的情况下可能特别重要,肝脏和脂肪组织都面临着高代谢负担。在本综述的第一部分,我们将讨论有关肥胖患者脂肪组织和肝脏中巨噬细胞动力学的最新知识。然后在第二部分,我们将重点介绍将巨噬细胞代谢与功能表型联系起来的数据,重点是代谢疾病中的巨噬细胞活化。将强调了解组织生态位如何影响肥胖中巨噬细胞功能的重要性。此外,我们将确定与该领域未来研究相关的重要知识差距和悬而未决的问题,并将促进确定相关代谢疾病治疗干预的新目标。在本综述的第一部分,我们将讨论有关肥胖患者脂肪组织和肝脏中巨噬细胞动力学的最新知识。然后在第二部分,我们将重点介绍将巨噬细胞代谢与功能表型联系起来的数据,重点是代谢疾病中的巨噬细胞活化。将强调了解组织生态位如何影响肥胖中巨噬细胞功能的重要性。此外,我们将确定与该领域未来研究相关的重要知识差距和悬而未决的问题,并将促进确定相关代谢疾病治疗干预的新目标。在本综述的第一部分,我们将讨论有关肥胖患者脂肪组织和肝脏中巨噬细胞动力学的最新知识。然后在第二部分,我们将重点介绍将巨噬细胞代谢与功能表型联系起来的数据,重点是代谢疾病中的巨噬细胞活化。将强调了解组织生态位如何影响肥胖中巨噬细胞功能的重要性。此外,我们将确定与该领域未来研究相关的重要知识差距和悬而未决的问题,并将促进确定相关代谢疾病治疗干预的新目标。我们将重点介绍将巨噬细胞代谢与功能表型联系起来的数据,重点是代谢疾病中的巨噬细胞活化。将强调了解组织生态位如何影响肥胖中巨噬细胞功能的重要性。此外,我们将确定与该领域未来研究相关的重要知识差距和悬而未决的问题,并将促进确定相关代谢疾病治疗干预的新目标。我们将重点介绍将巨噬细胞代谢与功能表型联系起来的数据,重点是代谢疾病中的巨噬细胞活化。将强调了解组织生态位如何影响肥胖中巨噬细胞功能的重要性。此外,我们将确定与该领域未来研究相关的重要知识差距和悬而未决的问题,并将促进确定相关代谢疾病治疗干预的新靶点。
更新日期:2020-01-23
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