Title : Dietary quercetin potentiates the antiproliferative effect of interferon-α in hepatocellular carcinoma cells through activation of JAK/STAT pathway signaling by inhibition of SHP2 phosphatase.

Pub. Date : 2017 Dec 26

PMID : 29371942






8 Functional Relationships(s)
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1 Dietary quercetin potentiates the antiproliferative effect of interferon-alpha in hepatocellular carcinoma cells through activation of JAK/STAT pathway signaling by inhibition of SHP2 phosphatase. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens
2 Using an in vitro screening assay for new inhibitors of SHP2 phosphatase, we found that quercetin was a potent inhibitor of SHP2. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens
3 Using an in vitro screening assay for new inhibitors of SHP2 phosphatase, we found that quercetin was a potent inhibitor of SHP2. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens
4 Computational modeling showed that quercetin exhibited an orientation favorable to nucleophilic attack in the phosphatase domain of SHP2. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens
5 The overexpression of SHP2 attenuated the effect of quercetin on IFN-alpha-stimulated STAT1 phosphorylation and antiproliferative effect, whereas the inhibition of SHP2 promoted the effect of quercetin on IFN-alpha-induced STAT1 phosphorylation and antiproliferative effect. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens
6 The overexpression of SHP2 attenuated the effect of quercetin on IFN-alpha-stimulated STAT1 phosphorylation and antiproliferative effect, whereas the inhibition of SHP2 promoted the effect of quercetin on IFN-alpha-induced STAT1 phosphorylation and antiproliferative effect. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens
7 The overexpression of SHP2 attenuated the effect of quercetin on IFN-alpha-stimulated STAT1 phosphorylation and antiproliferative effect, whereas the inhibition of SHP2 promoted the effect of quercetin on IFN-alpha-induced STAT1 phosphorylation and antiproliferative effect. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens
8 The results suggested that quercetin potentiated the inhibitory effect of IFN-alpha on cancer cell proliferation through activation of JAK/STAT pathway signaling by inhibiting SHP2. Quercetin protein tyrosine phosphatase non-receptor type 11 Homo sapiens