Sanguisorba minor extract suppresses plasmin-mediated mechanisms of cancer cell migration

Biochimica Et Biophysica Acta
Massimiliano CuccioloniMauro Angeletti

Abstract

Sanguisorba minor, as well as several other edible herbs and vegetables, has been used extensively in traditional medicine. The observed beneficial effects can be attributed at least in part to the direct modulation of several enzymatic activities by its polyphenolic constituents. The ethanol extract of Sanguisorba minor was characterized by reversed-phase liquid chromatography, and most relevant analytes were identified by multiple stage mass spectrometry. The whole extract and the most relevant isolated constituents were tested for their ability to modulate the activity of human plasmin both toward a synthetic substrate and in human breast cancer cell culture models. Kinetic and equilibrium parameters were obtained by a concerted spectrophotometric and biosensor-based approach. Quercetin-3-glucuronide was recognized as the compound mainly responsible for the in vitro plasmin inhibition by S. minor extract, with an inhibition constant in the high nanomolar range; in detail, our approach based on bioinformatic, enzymatic and binding analyses classified the inhibition as competitive. Most interestingly, cell-based assays showed that this flavonoid was effective in suppressing plasmin-induced loss of cancer cell adhesion. Our res...Continue Reading

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Citations

May 25, 2016·Phytotherapy Research : PTR·Igor A SchepetkinMark T Quinn
Dec 10, 2021·Journal of Complementary & Integrative Medicine·Legha AnsariArezoo Rajabian

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