sub:provenance {
  beldoc: dce:description "Approximately 61,000 statements." ;
    dce:rights "Copyright (c) 2011-2012, Selventa. All rights reserved." ;
    dce:title "BEL Framework Large Corpus Document" ;
    pav:authoredBy sub:_3 ;
    pav:version "20131211" .
  sub:_2 prov:value "Our previous studies showed that etoposide may induce an apoptotic signaling pathway similar to that induced by ceramide.15,16 We thus determined the generation of ceramide in etoposide-treated Jurkat T cells. Results showed that etoposide induced ceramide generation within 1 hour (Figure 4A). Treatment with fumonisin B1, an inhibitor of ceramide synthase, and myriocin, an inhibitor of serine palmitoyl transferase {SPTLC1, SPTLC2}, but not chlorpromazine and desprimine, inhibitors of acid sphingomyelinase, inhibited etoposide-induced cell apoptosis (Figure 4B), thus indicating a requirement for de novo ceramide generation. Furthermore, we demonstrated the increased expression of Txnip by etoposide (Figure 4C) " ;
    prov:wasQuotedFrom pubmed:18270325 .
  sub:_3 rdfs:label "Selventa" .
  sub:assertion prov:hadPrimarySource pubmed:18270325 ;
    prov:wasDerivedFrom beldoc: , sub:_2 .
}