Research Article

Sphingosine 1-Phosphate Distribution in Human Plasma: Associations with Lipid Profiles

Table 3

(a) Concentrations of sphingoid bases and their 1-phosphates in plasma. (b) Concentrations of sphingoid bases and their 1-phosphates in lipoprotein-containing fraction (  g/mL ultracentrifuge fraction). (c) Concentrations of sphingoid bases and their 1-phosphates in plasma protein-containing fraction (  g/mL ultracentrifuge fraction).
(a)

SubjectConcentration (nM)
dhSphdhS1PSphS1P

1131578939
219114191072
31013218884
41413820913
57171231272
619147241132

(b)

SubjectConcentration (nM)S1P normalized to HDL-C
dhSphdhS1PSphS1P(nmole/mmole)

16331166932
219211571051
3431959528
43341152348
517261269658
619121844263

(c)

SubjectConcentration (nM)
dhSphdhS1PSphS1P S1P in plasma protein fraction (%)

17105724827
28133857145
381111026331
47791021534
511150755544
681171991963

Sph: sphingosine, dhSph: dihydrosphingosine, their 1-phosphates S1P and dhS1P.