Dynamic changes of muscle insulin sensitivity after metabolic surgery.

Abstract:

:The mechanisms underlying improved insulin sensitivity after surgically-induced weight loss are still unclear. We monitored skeletal muscle metabolism in obese individuals before and over 52 weeks after metabolic surgery. Initial weight loss occurs in parallel with a decrease in muscle oxidative capacity and respiratory control ratio. Persistent elevation of intramyocellular lipid intermediates, likely resulting from unrestrained adipose tissue lipolysis, accompanies the lack of rapid changes in insulin sensitivity. Simultaneously, alterations in skeletal muscle expression of genes involved in calcium/lipid metabolism and mitochondrial function associate with subsequent distinct DNA methylation patterns at 52 weeks after surgery. Thus, initial unfavorable metabolic changes including insulin resistance of adipose tissue and skeletal muscle precede epigenetic modifications of genes involved in muscle energy metabolism and the long-term improvement of insulin sensitivity.

journal_name

Nat Commun

journal_title

Nature communications

authors

Gancheva S,Ouni M,Jelenik T,Koliaki C,Szendroedi J,Toledo FGS,Markgraf DF,Pesta DH,Mastrototaro L,De Filippo E,Herder C,Jähnert M,Weiss J,Strassburger K,Schlensak M,Schürmann A,Roden M

doi

10.1038/s41467-019-12081-0

subject

Has Abstract

pub_date

2019-09-13 00:00:00

pages

4179

issue

1

issn

2041-1723

pii

10.1038/s41467-019-12081-0

journal_volume

10

pub_type

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