Article ; Online: Homogeneous Dual-Parametric-Coupled Assay for Simultaneous Nucleotide Exchange and KRAS/RAF-RBD Interaction Monitoring.
2020 Volume 92, Issue 7, Page(s) 4971–4979
Abstract: We have developed a rapid and sensitive single-well dual-parametric method introduced in linked RAS nucleotide exchange and RAS/RAF-RBD interaction assays. RAS mutations are frequent drivers of multiple different human cancers, but the development of ... ...
Abstract | We have developed a rapid and sensitive single-well dual-parametric method introduced in linked RAS nucleotide exchange and RAS/RAF-RBD interaction assays. RAS mutations are frequent drivers of multiple different human cancers, but the development of therapeutic strategies has been challenging. Traditionally, efforts to disrupt the RAS function have focused on nucleotide exchange inhibitors, GTP-RAS interaction inhibitors, and activators increasing GTPase activity of mutant RAS proteins. As the amount of biological knowledge grows, targeted biochemical assays enabling high-throughput screening have become increasingly interesting. We have previously introduced a homogeneous quenching resonance energy transfer (QRET) assay for nucleotide binding studies with RAS and heterotrimeric G proteins. Here, we introduce a novel homogeneous signaling technique called QTR-FRET, which combine QRET technology and time-resolved Förster resonance energy transfer (TR-FRET). The dual-parametric QTR-FRET technique enables the linking of guanine nucleotide exchange factor-induced Eu |
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MeSH term(s) | Fluorescence Resonance Energy Transfer ; Guanine Nucleotide Exchange Factors/chemistry ; Guanine Nucleotide Exchange Factors/metabolism ; Guanosine Triphosphate/metabolism ; Humans ; Proto-Oncogene Proteins c-raf/chemistry ; Proto-Oncogene Proteins c-raf/metabolism ; Proto-Oncogene Proteins p21(ras)/chemistry ; Proto-Oncogene Proteins p21(ras)/genetics ; Proto-Oncogene Proteins p21(ras)/metabolism |
Chemical Substances | Guanine Nucleotide Exchange Factors ; KRAS protein, human ; Guanosine Triphosphate (86-01-1) ; Proto-Oncogene Proteins c-raf (EC 2.7.11.1) ; Proto-Oncogene Proteins p21(ras) (EC 3.6.5.2) |
Language | English |
Publishing date | 2020-03-09 |
Publishing country | United States |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 1508-8 |
ISSN | 1520-6882 ; 0003-2700 |
ISSN (online) | 1520-6882 |
ISSN | 0003-2700 |
DOI | 10.1021/acs.analchem.9b05126 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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