Could de-stressing the brain be the solution for long-term weight loss?

Authors:

Florian Seyfried1 and Mohammed K. Hankir2

Affiliations:

1 Department of General, Visceral, Vascular and Pediatric Surgery, University Hospital Wuerzburg, Wuerzburg, 97080 Bavaria, Germany.

2 Department of Experimental Surgery, University Hospital Wuerzburg, Wuerzburg, 97080 Bavaria, Germany.

Keywords: 

endoplasmic reticulum stress, gliosis, hypothalamus, inflammation, leptin resistance, obesity, vertical sleeve gastrectomy.

Abbreviations:

eIF2a – elongation initiation factor 2 alpha,

ER – endoplasmic reticulum,

FXR – farnesoid X receptor,

GABA – gamma amino butyric acid,

GLP-1 – glucagon-like peptide 1,

IKK-β – inhibitor of kappa beta kinase beta,

IL – interleukin,

HSF1 – heat shock factor 1,

NF-Кβ – necrosis factor kappa beta,

PERK – protein kinase R (PKR)-like ER kinase,

PTP1B – protein tyrosine phosphatase 1B,

PGC-1α – peroxisome proliferator-activated receptor gamma coactivator 1-alpha,

SOCS3 – suppressor of cytokine signaling 3,

TGR5 – Takeda G-protein 5 receptor,

TLR4 – toll-like receptor 4,

TNF-α – tumor necrosis factor alpha,

UCP1 – uncoupling protein 1,

VSG – vertical sleeve gastrectomy,

vWAT – visceral white adipose tissue.

Corresponding Author(s):

Dr. Mohammed K. Hankir, PhD, Centre of Operative Medicine, Oberduerrbacherstraße 6, Wuerzburg, 97080 Bavaria, Germany; Tel.: +49 9312 01 31728 hankir_m@ukw.de

Conflict of interest statement:

The authors have no conflicts of interest to declare.

Please cite this article as:

Florian Seyfried and Mohammed K. Hankir (2019). Could de-stressing the brain be the solution for long-term weight loss? Cell Stress 3(2): 29-37. doi: 10.15698/cst2019.02.174

© 2019 Seyfried and Hankir. This is an open-access article released under the terms of the Creative Commons Attribution (CC BY) license, which allows the unrestricted use, distribution, and reproduction in any medium, provided the original author and source are acknowledged.

Abstract:

The obese brain is stressed and inflamed. This is mainly at the level of neurons and glial cells in the hypothalamus: a brain region where the adipokine leptin acts to control feeding and body weight. Relieving hypothalamic neuronal endoplasmic reticulum (ER) stress with the natural small molecule drugs celastrol or withaferin-A reverses the leptin resistance commensurate with obesity, producing a degree of weight loss found only with bariatric surgery. Here, recent evidence from rodent models of vertical sleeve gastrectomy (VSG) is brought to the fore which suggests that this particular bariatric surgical procedure may work in a similar fashion to celastrol and withaferin-A alongside remedying hypothalamic inflammation and gliosis. Thus, restoring and preserving healthy hypothalamic neuronal and glial cell function, be it by pharmacological or surgical means, ensures a negative energy balance in an environment constructed to promote a one – possibly through re-establishing communication between adipose tissue and the brain.