The metabolic syndrome: Role of skeletal muscle metabolism

Craig S Stump, Erik J Henriksen, Yongzhong Wei, James R. Sowers

Research output: Contribution to journalArticle

143 Citations (Scopus)

Abstract

Skeletal muscle constitutes the largest insulin-sensitive tissue in the body and is the primary site for insulin-stimulated glucose utilization. Skeletal muscle resistance to insulin is fundamental to the metabolic dysregulation associated with obesity and physical inactivity, and contributes to the development of the metabolic syndrome (MS). The inability to efficiently take up and store fuel, and to transition from fat to glucose as the primary source of fuel during times of caloric abundance (high insulin) or scarcity (low insulin) has been termed metabolic inflexibility which contributes to a whole body metabolic dysregulation and cardiovascular risk. Potential mechanisms contributing to reduced insulin signaling and action in skeletal muscle includes adipose tissue expansion and increased inflammatory adipokines, increased renin-angiotensin-aldosterone system (RAAS) activity, decreases in muscle mitochondrial oxidative capacity, increased intramuscular lipid accumulation, and increased reactive oxygen species. Future research is focused upon understanding these and other potential mechanisms in order to identify therapeutic targets for reducing MS risk. Strategies will include adequate physical activity and maintaining a healthy weight, but may also require specific pharmacologic interventions.

Original languageEnglish (US)
Pages (from-to)389-402
Number of pages14
JournalAnnals of Medicine
Volume38
Issue number6
DOIs
StatePublished - Oct 1 2006

Fingerprint

Skeletal Muscle
Insulin
Tissue Expansion
Glucose
Adipokines
Renin-Angiotensin System
Insulin Resistance
Adipose Tissue
Reactive Oxygen Species
Obesity
Fats
Lipids
Weights and Measures
Muscles
Therapeutics

Keywords

  • Adiponectin
  • Antioxidants
  • Inflammatory cytokines
  • Insulin resistance
  • Intramyocellular lipid
  • Metabolic flexibility
  • Physical activity
  • Reactive oxygen species
  • Renin-angiotensin-aldosterone system (RAAS)

ASJC Scopus subject areas

  • Medicine(all)

Cite this

The metabolic syndrome : Role of skeletal muscle metabolism. / Stump, Craig S; Henriksen, Erik J; Wei, Yongzhong; Sowers, James R.

In: Annals of Medicine, Vol. 38, No. 6, 01.10.2006, p. 389-402.

Research output: Contribution to journalArticle

Stump, Craig S ; Henriksen, Erik J ; Wei, Yongzhong ; Sowers, James R. / The metabolic syndrome : Role of skeletal muscle metabolism. In: Annals of Medicine. 2006 ; Vol. 38, No. 6. pp. 389-402.
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