- Basic Research
- Multiple Roles of Sirtuin 6 in Adipose Tissue Inflammation
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Eun Ju Bae, Byung-Hyun Park
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Diabetes Metab J. 2023;47(2):164-172. Published online January 12, 2023
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DOI: https://doi.org/10.4093/dmj.2022.0270
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Abstract
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- Adipose tissue (AT) inflammation is strongly associated with obesity-induced insulin resistance. When subjected to metabolic stress, adipocytes become inflamed and secrete a plethora of cytokines and chemokines, which recruit circulating immune cells to AT. Although sirtuin 6 (Sirt6) is known to control genomic stabilization, aging, and cellular metabolism, it is now understood to also play a pivotal role in the regulation of AT inflammation. Sirt6 protein levels are reduced in the AT of obese humans and animals and increased by weight loss. In this review, we summarize the potential mechanism of AT inflammation caused by impaired action of Sirt6 from the immune cells’ point of view. We first describe the properties and functions of immune cells in obese AT, with an emphasis on discrete macrophage subpopulations which are central to AT inflammation. We then highlight data that links Sirt6 to functional phenotypes of AT inflammation. Importantly, we discuss in detail the effects of Sirt6 deficiency in adipocytes, macrophages, and eosinophils on insulin resistance or AT browning. In our closing perspectives, we discuss emerging issues in this field that require further investigation.
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Citations
Citations to this article as recorded by
- The Role of Increased Expression of Sirtuin 6 in the Prevention of Premature Aging Pathomechanisms
Adrianna Dzidek, Olga Czerwińska-Ledwig, Małgorzata Żychowska, Wanda Pilch, Anna Piotrowska International Journal of Molecular Sciences.2023; 24(11): 9655. CrossRef - Exploring the Influence of Age, Gender and Body Mass Index on Colorectal Cancer Location
Dorel Popovici, Cristian Stanisav, Sorin Saftescu, Serban Negru, Radu Dragomir, Daniel Ciurescu, Razvan Diaconescu Medicina.2023; 59(8): 1399. CrossRef
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