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. 2012 Jul 5;3(7):e342. doi: 10.1038/cddis.2012.83

Figure 5.

Figure 5

ADI-PEG20-induced autophagy and its modulation by chloroquine in lymphoma cells. (a) Malignant lymphoid cells were treated with ADI-PEG20 (500 ng/ml) either alone or in combination with chloroquine (CQ, 25 μM) and assessed for LC3-I and LC3-II levels by western blotting. (b) Follicular (Karpas-422) and CTCL (MyLa) lymphoma cells were treated with ADI-PEG20 and CQ for 72 h, and analysed for the subG1 fraction corresponding to apoptotic cells by flow cytometry; *P<0.001. (c) Similarly, primary malignant B lymphoma and CTCL (Sezary syndrome) lymphoma cells were studied using the ViaLight assay. Doxorubicin was used as a positive control for lymphoma cell cytotoxicity. *P<0.05, **P<0.001. Error bars represent S.D.