Intramuscular lipid metabolism, insulin action, and obesity

LA Consitt, JA Bell, JA Houmard - IUBMB life, 2009 - Wiley Online Library
With the increasing prevalence of obesity, research has focused on the molecular
mechanism (s) linking obesity and skeletal muscle insulin resistance. Metabolic alterations …

Associations of intramyocellular lipid in vastus lateralis and biceps femoris with blood free fatty acid and muscle strength differ between young and elderly adults

M Hioki, N Kanehira, T Koike, A Saito… - Clinical Physiology …, 2016 - Wiley Online Library
The present study aimed to determine relationships between intramyocellular lipid and
biochemical profiles or muscle strength in elderly (n= 15; mean age, 71 years) and young …

Endurance exercise training and high-fat diet differentially affect composition of diacylglycerol molecular species in rat skeletal muscle

N Kawanishi, K Takagi, HC Lee… - American Journal …, 2018 - journals.physiology.org
Insulin resistance of peripheral muscle is implicated in the etiology of metabolic syndrome in
obesity. Although accumulation of glycerolipids, such as triacylglycerol and diacylglycerol …

High-fat diet-induced insulin resistance in single skeletal muscle fibers is fiber type selective

MW Pataky, H Wang, CS Yu, EB Arias… - Scientific reports, 2017 - nature.com
Skeletal muscle is the major site for insulin-stimulated glucose disposal, and muscle insulin
resistance confers many negative health outcomes. Muscle is composed of multiple fiber …

Extremely rapid increase in fatty acid transport and intramyocellular lipid accumulation but markedly delayed insulin resistance after high fat feeding in rats

A Bonen, SS Jain, LA Snook, XX Han, Y Yoshida… - Diabetologia, 2015 - Springer
Aims/hypothesis The mechanisms for diet-induced intramyocellular lipid accumulation and
its association with insulin resistance remain contentious. In a detailed time-course study in …

Skeletal muscle oxidative capacity in rats fed high-fat diet

S Iossa, MP Mollica, L Lionetti, R Crescenzo… - International journal of …, 2002 - nature.com
OBJECTIVE: To investigate whether young rats respond to high-fat feeding through changes
in energy efficiency and fuel partitioning at the level of skeletal muscle, to avoid obesity …

Insulin resistance is associated with higher intramyocellular triglycerides in type I but not type II myocytes concomitant with higher ceramide content

PM Coen, JJ Dubé, F Amati, M Stefanovic-Racic… - Diabetes, 2010 - Am Diabetes Assoc
OBJECTIVE We tested the primary hypotheses that sphingolipid and diacylglycerol (DAG)
content is higher within insulin-resistant muscle and that the association between …

Distinct skeletal muscle fiber characteristics and gene expression in diet-sensitive versus diet-resistant obesity

MF Gerrits, S Ghosh, N Kavaslar, B Hill, A Tour… - Journal of lipid …, 2010 - ASBMB
Inter-individual variability in weight gain and loss under energy surfeit and deficit conditions,
respectively, are well recognized but poorly understood phenomena. We documented …

Lipid-induced insulin resistance in skeletal muscle: the chase for the culprit goes from total intramuscular fat to lipid intermediates, and finally to species of lipid …

SM Kitessa, MY Abeywardena - Nutrients, 2016 - mdpi.com
The skeletal muscle is the largest organ in the body. It plays a particularly pivotal role in
glucose homeostasis, as it can account for up to 40% of the body and for up to 80%–90% of …

Skeletal muscle lipid accumulation in obesity, insulin resistance, and type 2 diabetes

BH Goodpaster, D Wolf - Pediatric diabetes, 2004 - Wiley Online Library
In addition to obesity, many factors, including the distribution of body fat, contribute to the
development of insulin resistance and type 2 diabetes mellitus (T2DM). Lipid contained …