Skip to main content
. Author manuscript; available in PMC: 2016 Oct 6.
Published in final edited form as: Cell Metab. 2015 Aug 13;22(4):734–740. doi: 10.1016/j.cmet.2015.08.001

Table 1.

Quantification of Irisin in Plasma from Human Subjects Skyline software was used to quantify absolute amounts of irisin peptides from the plasma of sedentary and aerobically trained subjects. The 25 kDa glycosylated bioactive form of irisin was used to calculate its ng/ml concentrations in plasma.

Sedentary N-terminal peptide (femtomoles) Internal (femtomoles) combined average (femtomoles) ng/mL
Subject 1 16.66 12.78 14.72 3.68
Subject 2 11.98 12.3 12.14 3.03
Subject 3 13.73 15.59 14.66 3.66
Subject 4 16.21 16.7 16.455 4.11
Average 14.65 14.34 14.49 3.62
Aerobic N-terminal peptide (femtomoles) Internal (femtomoles) combined average (femtomoles) ng/mL
Subject 1 13.98 14.78 14.38 3.66
Subject 2 18.22 19.74 18.98 4.74
Subject 3 16.11 22.22 19.165 4.79
Subject 4 16.28 17.38 16.83 4.28
Subject 5 16.68 19.2 17.94 4.48
Subject 6 15.1 17.11 16.105 4.02
Average 16.06 18.41 17.23 4.33