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. Author manuscript; available in PMC: 2016 Mar 4.
Published in final edited form as: Radiat Res. 2015 Mar 4;183(3):291–304. doi: 10.1667/RR13828.1

FIG. 3.

FIG. 3

Glutamine utilization in SCC-61 and rSCC-61 cells. Cell proliferation using media supplemented with decreasing concentrations of glutamine and either without or with irradiation (e.g., ***P < 0.001 and *P = 0.04 for 0.0 mM glutamine, without irradiation and with 2 Gy irradiation, respectively). SRB assay for cell proliferation was performed using three biological replicates for each treatment condition. The results show an overall increased reliance on glutamine metabolism in SCC-61 compared with rSCC-61 cells.