Journal
FEBS LETTERS
Volume 589, Issue 14, Pages 1678-1687Publisher
WILEY
DOI: 10.1016/j.febslet.2015.04.025
Keywords
Leptin resistance; POMC neurons; Hypothalamus; ER stress
Funding
- National R+D+I (Ministerio de Economia y Competitividad) [PI13/01604, PI10/01074]
- Instituto Salud Carlos III (ISCIII)
- ERDF
- Miguel Servet contract (MICINN-ISCIII) [CP09/00233]
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The prevalence of obesity has increased worldwide at an alarming rate. However, non-invasive pharmacological treatments remain elusive. Leptin resistance is a general feature of obesity, thus strategies aimed at enhancing the sensitivity to this hormone may constitute an excellent therapeutical approach to counteract current obesity epidemics. Nevertheless, the etiology and neuronal basis of leptin resistance remains an enigma. A recent hypothesis gaining substantial experimental support is that hypothalamic endoplasmic reticulum (ER) stress plays a causal role in the development of leptin resistance and obesity. The objective of this review article is to provide an updated view on current evidence connecting hypothalamic ER stress with leptin resistance. We discuss the experimental findings supporting this hypothesis, as well as the potential causes and underlying mechanisms leading to this metabolic disorder. Understanding these mechanisms may provide key insights into the development of novel intervention approaches. (C) 2015 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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