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. Author manuscript; available in PMC: 2020 Apr 24.
Published in final edited form as: Eur Respir J. 2019 Oct 24;54(4):1900761. doi: 10.1183/13993003.00761-2019

FIGURE 1.

FIGURE 1

Measurements of sphingosine-1-phosphate (S1P) levels in 16HBE cells after vitamin D3 treatment. 16HBE human bronchial epithelial cells and ORMDL3-overexpressing stable 16HBE cells were treated with vitamin D3 at three concentrations (0.0, 0.1 and 1.0 nM) for 10 h. Levels of S1P in cells were measured by ELISA. Mean±SD shown for three independent experiments in ELISA assay. *: p<0.05, unpaired t-test.