Title : Sanguinarine (pseudochelerythrine) is a potent inhibitor of NF-kappaB activation, IkappaBalpha phosphorylation, and degradation.

Pub. Date : 1997 Nov 28

PMID : 9374492






10 Functional Relationships(s)
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1 Sanguinarine (pseudochelerythrine) is a potent inhibitor of NF-kappaB activation, IkappaBalpha phosphorylation, and degradation. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
2 Sanguinarine (pseudochelerythrine) is a potent inhibitor of NF-kappaB activation, IkappaBalpha phosphorylation, and degradation. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
3 In the present report we show that sanguinarine (a benzophenanthridine alkaloid), a known anti-inflammatory agent, is a potent inhibitor of NF-kappaB activation. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
4 Treatment of human myeloid ML-1a cells with tumor necrosis factor rapidly activated NF-kappaB, this activation was completely suppressed by sanguinarine in a dose- and time-dependent manner. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
5 Sanguinarine did not inhibit the binding of NF-kappaB protein to the DNA but rather inhibited the pathway leading to NF-kappaB activation. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
6 The reversal of inhibitory effects of sanguinarine by reducing agents suggests a critical sulfhydryl group is involved in NF-kappaB activation. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
7 Sanguinarine blocked the tumor necrosis factor-induced phosphorylation and degradation of IkappaBalpha, an inhibitory subunit of NF-kappaB, and inhibited translocation of p65 subunit to the nucleus. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
8 As sanguinarine also inhibited NF-kappaB activation induced by interleukin-1, phorbol ester, and okadaic acid but not that activated by hydrogen peroxide or ceramide, the pathway leading to NF-kappaB activation is likely different for different inducers. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
9 As sanguinarine also inhibited NF-kappaB activation induced by interleukin-1, phorbol ester, and okadaic acid but not that activated by hydrogen peroxide or ceramide, the pathway leading to NF-kappaB activation is likely different for different inducers. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens
10 Overall, our results demonstrate that sanguinarine is a potent suppressor of NF-kappaB activation and it acts at a step prior to IkappaBalpha phosphorylation. sanguinarine nuclear factor kappa B subunit 1 Homo sapiens