Table 2.

Plasma selenium speciation

Plasma concentration (ng/mL)a
AnalytebGroupBaseline9 MonthsChange from baseline
SeleniumSeMet139 ± 7.0256 ± 14.9c117 ± 13.2
SY285129 ± 8.7256 ± 26.9c128 ± 30.2
SeMetSeMet<0.120.736 ± 0.16c0.616 ± 0.16
SY285<0.120.550 ± 0.07c0.430 ± 0.07
SeleniteSeMet2.97 ± 0.227.90 ± 0.37c4.93 ± 0.42
SY2854.47 ± 0.498.43 ± 0.32c3.96 ± 0.24
  • aValues are mean ± SE (n = 5).

  • bSelenate and MSC concentrations were below detection limits (0.12 ng/mL for selenate and 0.16 ng/mL for MSC) in all samples.

  • cSignificantly different from baseline (P < 0.001).