Title : Lycopene acts through inhibition of IκB kinase to suppress NF-κB signaling in human prostate and breast cancer cells.

Pub. Date : 2016 Jul

PMID : 26779636






9 Functional Relationships(s)
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1 Lycopene acts through inhibition of IkappaB kinase to suppress NF-kappaB signaling in human prostate and breast cancer cells. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
2 We studied the effect of the potent dietary antioxidant lycopene on multiple points along the nuclear factor kappa B (NF-kappaB) signaling pathway in prostate and breast cancer cells. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
3 We studied the effect of the potent dietary antioxidant lycopene on multiple points along the nuclear factor kappa B (NF-kappaB) signaling pathway in prostate and breast cancer cells. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
4 Furthermore, the same degree of inhibition by lycopene was observed for NF-kappaB transcriptional activity, as determined by reporter gene assay. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
5 Concomitant with this, immunofluorescence staining of lycopene-treated cells showed a significant suppression (>=25 %) of TNF-induced NF-kappaB p65 subunit nuclear translocation. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
6 Further probing of lycopene"s effects on upstream elements of the NF-kappaB pathway showed a 25 % inhibition of both activity of recombinant IkappaB kinase beta (IKKbeta) kinase in a cell-free in vitro assay, as well as activity of IKKbeta immunoprecipitated from MDA-MB-231 cells treated with lycopene. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
7 Further probing of lycopene"s effects on upstream elements of the NF-kappaB pathway showed a 25 % inhibition of both activity of recombinant IkappaB kinase beta (IKKbeta) kinase in a cell-free in vitro assay, as well as activity of IKKbeta immunoprecipitated from MDA-MB-231 cells treated with lycopene. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
8 In conclusion, the anticancer properties of lycopene may occur through inhibition of the NF-kappaB signaling pathway, beginning at the early stage of cytoplasmic IKK kinase activity, which then leads to reduced NF-kappaB-responsive gene regulation. Lycopene nuclear factor kappa B subunit 1 Homo sapiens
9 In conclusion, the anticancer properties of lycopene may occur through inhibition of the NF-kappaB signaling pathway, beginning at the early stage of cytoplasmic IKK kinase activity, which then leads to reduced NF-kappaB-responsive gene regulation. Lycopene nuclear factor kappa B subunit 1 Homo sapiens