TABLE 4

Sphingolipid content of skeletal muscle

nSphingomyelinSphingosineSphinganineSphingosine 1-phosphateSphinganine 1-phosphate
Lean
 Basal8440 ± 44124 ± 213.1 ± 0.593 ± 156.0 ± 0.9
 Insulin8359 ± 31139 ± 222.4 ± 0.593 ± 96.6 ± 0.7
Obese
 Basal9514 ± 66136 ± 174.2 ± 0.9107 ± 149.1 ± 2.1
 Insulin9400 ± 61136 ± 223.2 ± 0.499 ± 166.1 ± 1.0
  • Data are means ± SE in units of picomoles per 2 mg muscle wet weight. Sphingomyelin is presented as total content, including all fatty acid species.