Title : Screening method for the discovery of potential cancer chemoprevention agents based on mass spectrometric detection of alkylated Keap1.

Pub. Date : 2005 Oct 1

PMID : 16194107






1 Functional Relationships(s)
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1 Based on the hypothesis that ubiquitination and proteosome-mediated degradation of Nrf2 in the cytoplasm decreases upon the covalent modification of 1 or more of the 27 cysteine sulfhydryl groups on Keap1 (a protein that sequesters Nrf2 in the cytoplasm) and results in higher Nrf2 levels both in the cytoplasm and in the nucleus, a high-throughput mass spectrometry-based screening assay was designed to detect alkylation of sulfhydryl groups of human Keap1. Cysteine NFE2 like bZIP transcription factor 2 Homo sapiens