Title : The roles of hydrogen peroxide and superoxide as messengers in the activation of transcription factor NF-kappa B.

Pub. Date : 1995 Jan

PMID : 9383399






4 Functional Relationships(s)
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1 The roles of hydrogen peroxide and superoxide as messengers in the activation of transcription factor NF-kappa B. Hydrogen Peroxide nuclear factor kappa B subunit 1 Homo sapiens
2 RESULTS: Cell lines stably overexpressing the H2O2-degrading enzyme catalase were deficient in activating NF-kappa B in response to tumor necrosis factor alpha (TNF) or okadaic acid. Hydrogen Peroxide nuclear factor kappa B subunit 1 Homo sapiens
3 In contrast, stable overexpression of cytoplasmic Cu/Zn-dependent superoxide dismutase (SOD), which enhances the production of H2O2 from superoxide, potentiated NF-kappa B activation. Hydrogen Peroxide nuclear factor kappa B subunit 1 Homo sapiens
4 CONCLUSIONS: Our data show that one ROI species, H2O2 acts as a messenger in the TNF- and okadaic acid-induced post-translational activation of NF-kappa B. Hydrogen Peroxide nuclear factor kappa B subunit 1 Homo sapiens