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Hypothalamic inflammation and obesity: a mechanistic review

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Abstract

Obesity is one of the worldwide prevalent disease caused by the imbalance between food intake and energy expenditure. Over a 100 years of research demonstrate that hypothalamus is the critical brain region regulating energy homeostasis, and evidences suggest the participation of non-neuronal populations such as astrocytes and microglia in the regulation of energy homeostasis. Recently, fat-rich diet induced hypothalamic inflammation has been found to deregulate the energy homeostasis, leading to the insulin resistance, glucose intolerance, and obesity. Several underlying mechanisms have been proposed, yet compelling evidences require further elucidations. This review discusses the up to date proposed mechanisms by which fat-rich diet induces hypothalamic inflammation and obesity.

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Acknowledgements

This work was supported by National Research Foundation (2016R1C1B3012748 and 2016R1A5A2008630 to K.W.K), Korea Health Industry Development Institute (HI17C0745 to K.W.K.) and Yonsei University College of Dentistry (2018-32-0007).

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  1. Department of Oral Biology, Yonsei University College of Dentistry, BK21 PLUS, Seoul, 03722, Korea

    Jichang Seong, Jung Yun Kang, Ji Su Sun & Ki Woo Kim

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Seong, J., Kang, J.Y., Sun, J.S. et al. Hypothalamic inflammation and obesity: a mechanistic review. Arch. Pharm. Res. 42, 383–392 (2019). https://doi.org/10.1007/s12272-019-01138-9

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