Total 1H NMR spectral signals of the apolar fraction of HepG2 cells exposed to TCDD (above) or the vehicle control DMSO (below). For both treatments, four spectra were overlaid. The numbers of the signals correspond to those indicated in Table 1.
Ruiz-Aracama et al. BMC Genomics 2011 12:251 doi:10.1186/1471-2164-12-251