Title : Nuclear factor-kappaB dependency of doxorubicin sensitivity in gastric cancer cells is determined by manganese superoxide dismutase expression.

Pub. Date : 2008 Jun

PMID : 18384434






10 Functional Relationships(s)
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1 Nuclear factor-kappaB dependency of doxorubicin sensitivity in gastric cancer cells is determined by manganese superoxide dismutase expression. Doxorubicin superoxide dismutase 2 Homo sapiens
2 In addition, the association between NF-kappaB and manganese superoxide dismutase (MnSOD) in relation to DOX sensitivity was analyzed after the modulation of MnSOD expression. Doxorubicin superoxide dismutase 2 Homo sapiens
3 In addition, the association between NF-kappaB and manganese superoxide dismutase (MnSOD) in relation to DOX sensitivity was analyzed after the modulation of MnSOD expression. Doxorubicin superoxide dismutase 2 Homo sapiens
4 Overexpression of mIkappaBalpha or pyrrolidine dithiocarbamate pretreatment decreased the DOX resistance in SNU-601 cells with low MnSOD expression, but not in SNU-216 cells with high MnSOD expression. Doxorubicin superoxide dismutase 2 Homo sapiens
5 Overexpression of mIkappaBalpha or pyrrolidine dithiocarbamate pretreatment decreased the DOX resistance in SNU-601 cells with low MnSOD expression, but not in SNU-216 cells with high MnSOD expression. Doxorubicin superoxide dismutase 2 Homo sapiens
6 In comparison, the overexpression of MnSOD, which also suppressed NF-kappaB activation in both cell lines, increased DOX resistance in SNU-601 cells. Doxorubicin superoxide dismutase 2 Homo sapiens
7 Blocking of MnSOD expression using RNA interference techniques increased DOX sensitivity in SNU-216 cells, which was further augmented by the additional inhibition of NF-kappaB activity. Doxorubicin superoxide dismutase 2 Homo sapiens
8 Our results showed that whether NF-kappaB contributes to DOX sensitivity in gastric cancer cells is determined by the level of MnSOD expression. Doxorubicin superoxide dismutase 2 Homo sapiens
9 Thus, targeting both MnSOD and NF-kappaB may be helpful for increasing the efficacy of DOX treatment of DOX-resistant SNU gastric cancer cells. Doxorubicin superoxide dismutase 2 Homo sapiens
10 Thus, targeting both MnSOD and NF-kappaB may be helpful for increasing the efficacy of DOX treatment of DOX-resistant SNU gastric cancer cells. Doxorubicin superoxide dismutase 2 Homo sapiens