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Fig. 7 | Cell & Bioscience

Fig. 7

From: Ammonium ions improve the survival of glutamine-starved hybridoma cells

Fig. 7

Ammonium salts interfere with apoptotic nuclear condensation and fragmentation. Sp2/0-Ag14 cells were deprived of l-glutamine (Gln) for 3 h in the presence of 5 mM ammonium salt/sodium salt or an equivalent volume of PBS. Hoechst 33342 was added to the cultures 30 min before the end of the experiment. The cells were then processed for fluorescence microscopy. a fluorescence microphotographs (magnification: ×400). b enumeration of cells showing apoptotic nuclear condensation/fragmentation. At least 200 nuclei were enumerated for each group. *p < 0.05 vs corresponding PBS-supplemented control. ŧ < 0.05 vs corresponding sodium salt-supplemented control

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