http://www.springerlink.com/content/xu53703331521l85/
"Furthermore, the antiapoptotic transcription factor, NF-κB, is
inhibited by NO and NO donors. Thereby,
NO not only enhances susceptibility to anticancer drugs and
radiotherapy but also suppresses the NF-κB-mediated transcription
of metastasis-regulating genes.
"
and one another
http://www.springerlink.com/content/m45k2t1187650747/