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Erschienen in: Reviews in Endocrine and Metabolic Disorders 1/2022

02.01.2021

The endocannabinoid system in the adipose organ

verfasst von: Kwang-Mook Jung, Lin Lin, Daniele Piomelli

Erschienen in: Reviews in Endocrine and Metabolic Disorders | Ausgabe 1/2022

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Abstract

The endocannabinoid system is found in most, if not all, mammalian organs and is involved in a variety of physiological functions, ranging from the control of synaptic plasticity in the brain to the modulation of smooth muscle motility in the gastrointestinal tract. This signaling complex consists of G protein-coupled cannabinoid receptors, endogenous ligands for those receptors (endocannabinoids) and enzymes/transporters responsible for the formation and deactivation of these ligands. There are two subtypes of cannabinoid receptors, CB1 and CB2, and two major endocannabinoids, arachidonoylethanolamide (anandamide) and 2-arachidonoyl-sn-glycerol (2-AG), which are produced upon demand through cleavage of distinct phospholipid precursors. All molecular components of the endocannabinoid system are represented in the adipose organ, where endocannabinoid signals are thought to regulate critical homeostatic processes, including adipogenesis, lipogenesis and thermogenesis. Importantly, obesity was found to be associated with excess endocannabinoid activity in visceral fat depots, and the therapeutic potential of normalizing such activity by blocking CB1 receptors has been the focus of substantial preclinical and clinical research. Results have been mixed thus far, mostly owing to the emergence of psychiatric side effects rooted in the protective functions served by brain endocannabinoids in mood and affect regulation. Further studies about the roles played by the endocannabinoid system in the adipose organ will offer new insights into the pathogenesis of obesity and might help identify new ways to leverage this signaling complex for therapeutic benefit.
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Metadaten
Titel
The endocannabinoid system in the adipose organ
verfasst von
Kwang-Mook Jung
Lin Lin
Daniele Piomelli
Publikationsdatum
02.01.2021
Verlag
Springer US
Erschienen in
Reviews in Endocrine and Metabolic Disorders / Ausgabe 1/2022
Print ISSN: 1389-9155
Elektronische ISSN: 1573-2606
DOI
https://doi.org/10.1007/s11154-020-09623-z

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