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. 2021 Dec 15;106(1):261–271. doi: 10.1007/s00253-021-11728-7

Fig. 4.

Fig. 4

Arginine concentrations in culture supernatants. GBM cells were treated with 35 mU/ml of either SpyADI or SpyADI-PEG20 in standard medium for 24 h. Untreated cells served as a control. Arginine concentrations in the culture supernatant were measured after 1, 3, 6, and 24 h. Bars and whiskers represent means and standard deviation of n = 3 biological replicates