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- _3 label "Selventa" provenance.
- large_corpus.bel rights "Copyright (c) 2011-2012, Selventa. All rights reserved." provenance.
- _2 value "To study the effect of cigarette smoke on DNA damage, bronchial epithelial cells were exposed to either 5% CSE or 1 �M CPT for 24 h. The quantitative in situ TUNEL assay, in parallel with the MTT assay, was performed after 1-, 2-, 4-, 6-, and 24-h exposure. As shown in Figure 1, even 1 h of exposure to 5% CSE or CPT caused a significant increase of TUNEL-positive cells (54.9 � 3.0% by 5% CSE and 31.2 � 2.2% by CPT, respectively, P < 0.05 compared with control of 16.2 � 0.3%, Figure 1A). TUNEL-positive cells gradually increased to nearly 90% in both 5% CSE- and CPT-treated groups as a function of time, although the 5% CSE effect was stronger than 1 �M CPT during the first 4 h. Cell viability as assessed by MTT, however, was not affected by 5% CSE but was significantly reduced by CPT at 6 h (100.3 � 3.3% versus 61.3 � 5.5% of control, P < 0.05) and at 24 h (103.2 � 7.6% versus 26.6 � 1.9% of control, P < 0.05; Figure 1B). Cigarette smoke-induced DNA damage was dependent on CSE concentration. " provenance.
- _2 wasQuotedFrom 15845867 provenance.
- assertion hadPrimarySource 15845867 provenance.
- large_corpus.bel title "BEL Framework Large Corpus Document" provenance.
- large_corpus.bel description "Approximately 61,000 statements." provenance.
- assertion wasDerivedFrom large_corpus.bel provenance.
- assertion wasDerivedFrom _2 provenance.
- large_corpus.bel authoredBy _3 provenance.
- large_corpus.bel version "20131211" provenance.